CA3233468A1 - Compositions and methods for recombinant aav production - Google Patents
Compositions and methods for recombinant aav production Download PDFInfo
- Publication number
- CA3233468A1 CA3233468A1 CA3233468A CA3233468A CA3233468A1 CA 3233468 A1 CA3233468 A1 CA 3233468A1 CA 3233468 A CA3233468 A CA 3233468A CA 3233468 A CA3233468 A CA 3233468A CA 3233468 A1 CA3233468 A1 CA 3233468A1
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- CA
- Canada
- Prior art keywords
- nucleotide sequence
- aav
- adenovirus
- recombinant polynucleotide
- isolated recombinant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
Provided herein are recombinant polynucleotides encoding helper functions and helper plasmids suitable for use in the production of recombinant AAV particles. Also provided herein are methods for producing rAAV particles.
Description
COMPOSITIONS AND METHODS FOR RECOMBINANT AAV PRODUCTION
TECHNICAL FIELD
[0001] The present disclosure relates to recombinant polynucleotides encoding helper functions and their use in a method of producing recombinant adeno-associated virus (rAAV) particles.
CROSS-REFRENCE TO RELATED APPLICATIONS
TECHNICAL FIELD
[0001] The present disclosure relates to recombinant polynucleotides encoding helper functions and their use in a method of producing recombinant adeno-associated virus (rAAV) particles.
CROSS-REFRENCE TO RELATED APPLICATIONS
[0002] This application claims the benefit of U.S. application no. 63/252,585, filed October 5, 2021 and U.S. application no. 63/320,335, filed March 16, 2022, each of which is incorporated herein by reference in its entirety.
REFERENCE TO SEQUENCE LISTING SUBMITTED ELECTRONICALLY
REFERENCE TO SEQUENCE LISTING SUBMITTED ELECTRONICALLY
[0003] The content of the electronically submitted sequence listing (Name:
6728_1802_Sequence_Listing.xml; Size: 376,980 bytes; and Date of Creation:
September 13, 2022) filed with the application is incorporated herein by reference in its entirety.
BACKGROUND
6728_1802_Sequence_Listing.xml; Size: 376,980 bytes; and Date of Creation:
September 13, 2022) filed with the application is incorporated herein by reference in its entirety.
BACKGROUND
[0004] Recombinant adeno-associated virus (AAV)-based vectors are currently the most widely used gene therapy products in development. The preferred use of rAAV vector systems is due, in part, to the lack of disease associated with the wild-type virus, the ability of AAV to transduce non-dividing as well as dividing cells, and the resulting long-term robust transgene expression observed in clinical trials and that indicate great potential for delivery in gene therapy indications.
Additionally, different naturally occurring and recombinant rAAV vector serotypes, specifically target different tissues, organs, and cells, and help evade any pre-existing immunity to the vector, thus expanding the therapeutic applications of AAV-based gene therapies.
Before replication defective virus, for example, AAV based gene therapies can be more widely adopted for late clinical stage and commercial use, new methods for large scale production of recombinant virus particles need to be developed.
Additionally, different naturally occurring and recombinant rAAV vector serotypes, specifically target different tissues, organs, and cells, and help evade any pre-existing immunity to the vector, thus expanding the therapeutic applications of AAV-based gene therapies.
Before replication defective virus, for example, AAV based gene therapies can be more widely adopted for late clinical stage and commercial use, new methods for large scale production of recombinant virus particles need to be developed.
[0005] Thus, there is a need in the art to improve the productivity and yield of methods for the large scale production of rAAV particles.
BRIEF SUMMARY
BRIEF SUMMARY
[0006] In one aspect, the disclosure provides an isolated recombinant polynucleotide comprising one or more of a) a nucleotide sequence encoding an adenovirus E2A DNA binding protein (DBP) operably linked to a first promoter and to a first polyA signal; b) a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide operably linked to a second promoter and a second polyA signal; and c) a nucleotide sequence encoding an adenovirus VA RNA I, wherein the isolated recombinant polynucleotide does not comprise a nucleotide sequence encoding an adenovirus 1TR sequence, L3 23K endoprotease, L5 pVI/fibre, and/or pVIII/hexon-associated precursor.
[0007] In some embodiments, the isolated recombinant polynucleotide comprises the nucleotide sequence encoding the adenovirus E2A DBP, the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide and the nucleotide sequence encoding the adenovirus VA RNA
I. In some embodiments, the nucleotide sequence encoding the adenovirus VA RNA
I encodes VA RNA T and VA RNA II.
I. In some embodiments, the nucleotide sequence encoding the adenovirus VA RNA
I encodes VA RNA T and VA RNA II.
[0008] In some embodiments, the isolated recombinant polynucleotide comprises the nucleotide sequence encoding the adenovirus E2A DBP, the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide and the nucleotide sequence encoding the adenovirus VA RNA
I, wherein the nucleotide sequence encoding the adenovirus E2A DBP and the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 are in opposite 5' to 3' orientation.
I, wherein the nucleotide sequence encoding the adenovirus E2A DBP and the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 are in opposite 5' to 3' orientation.
[0009] In some embodiments, the isolated recombinant polynucleotide is a plasmid comprising a bacterial replication origin and a selectable marker gene.
[0010] In some embodiments, the isolated recombinant polynucleotide comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 37, 38, 39, 40, 41, 42, 43 or 51.
[Nil] In somc embodiments, the isolated recombinant polynucleotide comprises the nucleotide sequence of SEQ ID NO: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 37, 38, 39, 40, 41, 42, 43 or 51.
[0012] In one aspect, the disclosure provides a host cell comprising an isolated recombinant polynucleotide described herein. In some embodiments, the host cell is a bacterial cell. In some embodiments, the host cell is a eukaryotic cell. In some embodiments, the host cell is a HEK293 cell, HEK derived cell, CHO cell, CHO derived cell, HeLa cell, SF-9 cell, BHK
cell, Vero cell, CAP cell, or PerC6 cell.
[0013] In one aspect, the disclosure provides a method of producing an isolated recombinant polynucleotide described herein comprising incubating under suitable conditions a host cell described herein.
[0014] In one aspect, the disclosure provides a method of producing recombinant adeno-associated virus (rAAV) particles comprising culturing a cell capable of producing the rAAV
particles, wherein the cell comprises i) a polynucleotide encoding an AAV
capsid protein; ii) a polynucleotide encoding a functional rep gene; iii) polynucleotide comprising a genome comprising at least one AAV inverted terminal repeat (ITR) and a non-AAV
nucleic acid sequence encoding a gene product operably linked to sequences which direct expression of the gene product in a target cell; and iv) one or more polynucleotides comprising sufficient helper functions to permit packaging of the genome into the AAV capsid protein under conditions which permit packaging of the genome into the AAV capsid, wherein the one or more polynucleotides comprising sufficient helper functions independently comprise an isolated recombinant polynucleotide described herein.
[0015] In one aspect, the disclosure provides a method of producing rAAV
particles, comprising a) providing a cell culture comprising a cell; b) introducing into the cell one or more polynucleotides comprising i) a polynucleotide encoding an AAV capsid protein:
ii) a polynucleotide encoding a functional rep gene; iii) polynucleotide comprising a genome comprising at least one AAV inverted terminal repeat (ITR) and a non-AAV
nucleic acid sequence encoding a gene product operably linked to sequences which direct expression of the gene product in a target cell; and iv) one or more polynucleotides comprising sufficient helper functions to permit packaging of the genome into the AAV capsid protein under conditions which permit packaging of the genome into thc AAV capsid, wherein the one or more polynucleotides comprising sufficient helper functions independently comprise an isolated recombinant polynucleotide described herein, and c) maintaining the cell culture under conditions that allow production of the rAAV particles.
[0016] In some embodiments, the disclosure provides:
[1.] An isolated recombinant polynucleotide comprising one or more of a) a nucleotide sequence encoding an adenovirus E2A DNA binding protein (DBP) operably linked to a first promoter and to a first polyA signal;
b) a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide operably linked to a second promoter and a second polyA signal; and c) a nucleotide sequence encoding an adenovirus VA RNA I, wherein the isolated recombinant polynucleotide does not comprise a nucleotide sequence encoding an adenovirus 1TR sequence, L3 23K endoprotease, L5 pVI/fibre, and/or pVIII/hexon-associated precursor;
[2.] the isolated recombinant polynucleotide of [1], wherein the isolated recombinant polynucleotide comprises:
a) the nucleotide sequence encoding the adenovirus E2A DBP, the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide and the nucleotide sequence encoding the adenovirus VA RNA I;
b) the nucleotide sequence encoding the adenovirus E2A DBP, and the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide;
c) the nucleotide sequence encoding the adenovirus E2A DBP, and the nucleotide sequence encoding the adenovirus VA RNA I;
d) the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide and the nucleotide sequence encoding the adenovirus VA RNA I;
e) the nucleotide sequence encoding the adenovirus E2A DBP;
0 the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide; or the nucleotide sequence encoding the adenovirus VA RNA I;
LI] the isolated recombinant polynucleotide of [1] comprising the nucleotide sequence encoding the adenovirus E2A DBP, the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide and the nucleotide sequence encoding the adenovirus VA
RNA I, wherein the nucleotide sequence encoding the adenovirus E2A DBP and the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 are in opposite 5' to 3' orientation;
[4.] the isolated recombinant polynucleotide of any one of [1] to [3], wherein the nucleotide sequence encoding the adenovirus E2A DBP has at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO:
1;
115.1 the isolated recombinant polynucleotide of any one of [1] to [3], wherein the nucleotide sequence encoding the adenovirus E2A DBP comprises SEQ ID NO: 1;
[6.1 the isolated recombinant polynucleotide of any one of [11 to [51, wherein the adenovirus E2A DBP comprises an amino acid sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ
ID NO: 45;
LT] the isolated recombinant polynucleotide of any one of [1] to [5], wherein the adenovirus E2A DBP comprises the amino acid sequence of SEQ ID NO: 45;
118.1 the isolated recombinant polynucleotide of any one of [1] to [7], wherein the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide has at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ
Ill NO: 8;
119-] the isolated recombinant polynucleotide of any one of [1] to [7], wherein the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide comprises SEQ ID
NO: 8;
[10.] the isolated recombinant polynucleotide of any one of [1] to [9], wherein the adenovirus E4 ORF6 and ORF7 polypeptide comprises an amino acid sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%. at least 98%, at least 99% or 100 % identity to SEQ
ID NO: 46;
[11.] the isolated recombinant polynucleotide of any one of [1] to [9], wherein the adenovirus E4 ORF6 and ORF7 polypeptide comprises the amino acid sequence of SEQ ID NO:
46;
[12j the isolated recombinant polynucleotide of any one of [1] to
[Nil] In somc embodiments, the isolated recombinant polynucleotide comprises the nucleotide sequence of SEQ ID NO: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 37, 38, 39, 40, 41, 42, 43 or 51.
[0012] In one aspect, the disclosure provides a host cell comprising an isolated recombinant polynucleotide described herein. In some embodiments, the host cell is a bacterial cell. In some embodiments, the host cell is a eukaryotic cell. In some embodiments, the host cell is a HEK293 cell, HEK derived cell, CHO cell, CHO derived cell, HeLa cell, SF-9 cell, BHK
cell, Vero cell, CAP cell, or PerC6 cell.
[0013] In one aspect, the disclosure provides a method of producing an isolated recombinant polynucleotide described herein comprising incubating under suitable conditions a host cell described herein.
[0014] In one aspect, the disclosure provides a method of producing recombinant adeno-associated virus (rAAV) particles comprising culturing a cell capable of producing the rAAV
particles, wherein the cell comprises i) a polynucleotide encoding an AAV
capsid protein; ii) a polynucleotide encoding a functional rep gene; iii) polynucleotide comprising a genome comprising at least one AAV inverted terminal repeat (ITR) and a non-AAV
nucleic acid sequence encoding a gene product operably linked to sequences which direct expression of the gene product in a target cell; and iv) one or more polynucleotides comprising sufficient helper functions to permit packaging of the genome into the AAV capsid protein under conditions which permit packaging of the genome into the AAV capsid, wherein the one or more polynucleotides comprising sufficient helper functions independently comprise an isolated recombinant polynucleotide described herein.
[0015] In one aspect, the disclosure provides a method of producing rAAV
particles, comprising a) providing a cell culture comprising a cell; b) introducing into the cell one or more polynucleotides comprising i) a polynucleotide encoding an AAV capsid protein:
ii) a polynucleotide encoding a functional rep gene; iii) polynucleotide comprising a genome comprising at least one AAV inverted terminal repeat (ITR) and a non-AAV
nucleic acid sequence encoding a gene product operably linked to sequences which direct expression of the gene product in a target cell; and iv) one or more polynucleotides comprising sufficient helper functions to permit packaging of the genome into the AAV capsid protein under conditions which permit packaging of the genome into thc AAV capsid, wherein the one or more polynucleotides comprising sufficient helper functions independently comprise an isolated recombinant polynucleotide described herein, and c) maintaining the cell culture under conditions that allow production of the rAAV particles.
[0016] In some embodiments, the disclosure provides:
[1.] An isolated recombinant polynucleotide comprising one or more of a) a nucleotide sequence encoding an adenovirus E2A DNA binding protein (DBP) operably linked to a first promoter and to a first polyA signal;
b) a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide operably linked to a second promoter and a second polyA signal; and c) a nucleotide sequence encoding an adenovirus VA RNA I, wherein the isolated recombinant polynucleotide does not comprise a nucleotide sequence encoding an adenovirus 1TR sequence, L3 23K endoprotease, L5 pVI/fibre, and/or pVIII/hexon-associated precursor;
[2.] the isolated recombinant polynucleotide of [1], wherein the isolated recombinant polynucleotide comprises:
a) the nucleotide sequence encoding the adenovirus E2A DBP, the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide and the nucleotide sequence encoding the adenovirus VA RNA I;
b) the nucleotide sequence encoding the adenovirus E2A DBP, and the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide;
c) the nucleotide sequence encoding the adenovirus E2A DBP, and the nucleotide sequence encoding the adenovirus VA RNA I;
d) the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide and the nucleotide sequence encoding the adenovirus VA RNA I;
e) the nucleotide sequence encoding the adenovirus E2A DBP;
0 the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide; or the nucleotide sequence encoding the adenovirus VA RNA I;
LI] the isolated recombinant polynucleotide of [1] comprising the nucleotide sequence encoding the adenovirus E2A DBP, the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide and the nucleotide sequence encoding the adenovirus VA
RNA I, wherein the nucleotide sequence encoding the adenovirus E2A DBP and the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 are in opposite 5' to 3' orientation;
[4.] the isolated recombinant polynucleotide of any one of [1] to [3], wherein the nucleotide sequence encoding the adenovirus E2A DBP has at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO:
1;
115.1 the isolated recombinant polynucleotide of any one of [1] to [3], wherein the nucleotide sequence encoding the adenovirus E2A DBP comprises SEQ ID NO: 1;
[6.1 the isolated recombinant polynucleotide of any one of [11 to [51, wherein the adenovirus E2A DBP comprises an amino acid sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ
ID NO: 45;
LT] the isolated recombinant polynucleotide of any one of [1] to [5], wherein the adenovirus E2A DBP comprises the amino acid sequence of SEQ ID NO: 45;
118.1 the isolated recombinant polynucleotide of any one of [1] to [7], wherein the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide has at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ
Ill NO: 8;
119-] the isolated recombinant polynucleotide of any one of [1] to [7], wherein the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide comprises SEQ ID
NO: 8;
[10.] the isolated recombinant polynucleotide of any one of [1] to [9], wherein the adenovirus E4 ORF6 and ORF7 polypeptide comprises an amino acid sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%. at least 98%, at least 99% or 100 % identity to SEQ
ID NO: 46;
[11.] the isolated recombinant polynucleotide of any one of [1] to [9], wherein the adenovirus E4 ORF6 and ORF7 polypeptide comprises the amino acid sequence of SEQ ID NO:
46;
[12j the isolated recombinant polynucleotide of any one of [1] to
[11], wherein the nucleotide sequence encoding the adenovirus VA RNA I comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%. at least 97%, at least 98%, at least 99% or 100 %
identity to SEQ ID NO: 54;
[13.] the isolated recombinant polynucleotide of any one of [1] to [11], wherein the nucleotide sequence encoding the adenovirus VA RNA I encodes VA RNA I and VA RNA II, and optionally comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ
ID NO: 9;
[14.1 the isolated recombinant polynucleotide of any one of [11 to 1131, wherein the first promoter and second promoter are different promoters;
[15.] the isolated recombinant polynucleotide of any one of [1] to [14], wherein the first promoter is an adenovirus E2A promoter, a CMV promoter, or a CMV derived promoter;
[16.] the isolated recombinant polynucleotide of [15], wherein the first promoter is an adenovirus E2A promoter;
[17.1 the isolated recombinant polynucleotide of [16], wherein the adenovirus E2A promoter comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 2;
[18.] the isolated recombinant polynucleotide of [16], wherein the adenovirus E2A promoter comprises the nucleotide sequence of SEQ ID NO: 2;
[19.] the isolated recombinant polynucleotide of any one of [15] to [18], wherein the nucleotide sequence encoding the adenovirus E2A promoter and E2A DBP comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ Ill NO: 3 or 4;
[20.] the isolated recombinant polynucleotide of any one of [15] to [18], wherein the nucleotide sequence encoding the adenovirus E2A promoter and E2A DBP comprises SEQ ID
NO: 3 or 4;
[21.] the isolated recombinant polynucleotide of any one of [15] to [18], wherein the nucleotide sequence encoding the adenovirus E2A promoter and E2A DBP comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 22 or 23;
[22.] the isolated recombinant polynucleotide of any one of [15] to [18], wherein the nucleotide sequence encoding the adenovirus E2A promoter and E2A DBP comprises SEQ ID
NO: 22 or 23;
[23.] the isolated recombinant polynucleotide of any one of [1] to [14], wherein the first promoter is an inducible promoter;
[24.] the isolated recombinant polynucleotide of any one of [1] to [23], wherein the second promoter is an adenovirus E4 promoter, a CMV promoter, or a CMV derived promoter;
[25.] the isolated recombinant polynucleotide of [24], wherein the second promoter is an adenovirus E4 promoter;
126.] the isolated recombinant polynucleotide of 125], wherein the adenovirus E4 promoter comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 5;
[27.1 the isolated recombinant polynucleotide of [25], wherein the adenovirus E4 promoter comprises the nucleotide sequence of SEQ ID NO: 5;
[28.] the isolated recombinant polynucleotide of any one of [1] to [23], wherein the second promoter is an inducible promoter;
[29.] the isolated recombinant polynucleotide of any one of [1] to [28]
comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 10;
[30.] the isolated recombinant polynucleotide of any one of [1] to [28]
comprising the nucleotide sequence of SEQ ID NO: 10;
[31.] the isolated recombinant polynucleotide of any one of [1] to [28 comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 11;
[32.] the isolated recombinant polynucleotide of any one of [1] to [28]
comprising the nucleotide sequence of SEQ ID NO: 11;
[33.] the isolated recombinant polynucleotide of any one of [1] to [28]
further comprising a nucleotide sequence encoding a Boca virus NP1 and NS2 polypeptides operably linked to a third promoter and to a third polyA signal;
[34.] the isolated recombinant polynucleotide of [33], wherein the nucleotide sequence encoding the Boca virus NP1 and NS2 polypeptides have at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 12;
[35.] the isolated recombinant polynucleotide of [33], wherein the nucleotide sequence encoding the Boca virus NP1 and NS2 polypeptides comprises SEQ ID NO: 12;
[36.] the isolated recombinant polynucleotide of any one of [33] to [35], wherein the third promoter is a CMV promoter;
[37.] the isolated recombinant polynucleotide of any one of [33] to [35]
comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 13;
[38.1 the isolated recombinant polynucleotide of any one of [331 to [351 comprising the nucleotide sequence of SEQ ID NO: 13;
[39.] the isolated recombinant polynucleotide of any one of [33] to [38]
comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 14;
140.1 the isolated recombinant polynucleotide of any one of [33] to [38]
comprising the nucleotide sequence of SEQ ID NO: 14;
[41.] the isolated recombinant polynucleotide of any one of [I] to [28]
further comprising a nucleotide sequence encoding a adeno-associated virus (AAV) assembly-activating protein (AAP) operably linked to a third promoter and to a third polyA signal;
[42.] the isolated recombinant polynucleotide of [41], wherein the nucleotide sequence encoding the AAV AAP have at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ Ill NO: 15;
143.] the isolated recombinant polynucleotide of 141], wherein the nucleotide sequence encoding the AAV AAP comprises SEQ ID NO: 15;
[44.] the isolated recombinant polynucleotide of any one of [41] to [43], wherein the third promoter is a CMV promoter;
[45.] the isolated recombinant polynucleotide of any one of [41] to [44]
comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 16;
[46.] the isolated recombinant polynucleotide of any one of [41] to [44]
comprising the nucleotide sequence of SEQ ID NO: 16;
[47.] the isolated recombinant polynucleotide of any one of [41] to 1146 comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 17;
[48.] the isolated recombinant polynucleotide of any one of [41] to [46]
comprising the nucleotide sequence of SEQ ID NO: 17;
[49.] the isolated recombinant polynucleotide of any one of [I] to [28]
further comprising a nucleotide sequence encoding an adenovirus ElA polypeptide operably linked to a third promoter and to a third polyA signal;
1_50.] the isolated recombinant polynucleotide of 149], wherein the nucleotide sequence encoding the adenovirus ElA polypeptide has at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO:
18;
151.] the isolated recombinant polynucleotide of 149], wherein the nucleotide sequence encoding the adenovirus ElA polypeptide comprises SEQ ID NO: 18;
[52.1 the isolated recombinant polynucleotide of 149], wherein the adenovirus E1A polypeptide comprises an amino acid sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 51;
[53.] the isolated recombinant polynucleotide of [49], wherein the adenovirus El A polypeptide comprises the amino acid sequence of SEQ ID NO: 51;
[54.] the isolated recombinant polynucleotide of any one of [49] to [53], wherein the third promoter is a CMV promoter;
[55.] the isolated recombinant polynucleotide of any one of 149] to [54]
comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 19;
[56.] the isolated recombinant polynucleotide of any one of [49] to [54]
comprising the nucleotide sequence of SEQ ID NO: 19;
[57.] the isolated recombinant polynucleotide of any one of [49] to [56]
comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 20;
[58.] the isolated recombinant polynucleotide of any one of [49] to [56]
comprising the nucleotide sequence of SEQ ID NO: 20;
[59.] the isolated recombinant polynucleotide of any one of [1] to [27], [33] to [36], [41] to [44] and [49] to [54, wherein the isolated recombinant polynucleotide comprises a nucleotide sequence encoding the E2A promoter, L4 22K/33K polypeptides and promoter, L4 100k/hexon assembly polypeptide comprising an N terminal deletion and the E2A DBP, wherein the N-terminal deletion of the L4 100k/hexon assembly polypeptide corresponds to the nucleotide sequence of SEQ ID NO: 21;
[60.] the isolated recombinant polynucleotide of [59], wherein the nucleotide sequence encoding the E2A promoter, L4 22K/33K polypeptides and promoter, L4 100k/hexon assembly polypeptide comprising an N terminal deletion and the E2A DBP comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100% identity to SEQ ID NO: 22;
[61.1 the isolated recombinant polynucleotide of 159], wherein the nucleotide sequence encoding the E2A promoter, L4 22K/33K polypeptides and promoter, L4 100k/hexon assembly polypeptide comprising an N terminal deletion and the E2A DBP comprises SEQ ID
NO: 22;
[62.] the isolated recombinant polynucleotide of any one of [1] to [27], [33] to [36], [41] to [44] and [49] to [54], wherein the isolated recombinant polynucleotide comprises a nucleotide sequence encoding the E2A promoter, L4 22K/33K polypeptides and promoter, L4 100k/hexon assembly polypeptide comprising a mutation in its start codon and the E2A DBP;
[63.] the isolated recombinant polynucleotide of [62], wherein the nucleotide sequence encoding the E2A promoter, L4 22K/33K polypeptides and promoter, L4 100k/hexon assembly polypeptide comprising a mutation in its start codon and the E2A DBP comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100% identity to SEQ Ill NO: 23;
[64.] the isolated recombinant polynucleotide of [62], wherein the nucleotide sequence encoding the E2A promoter, L4 22K/33K polypeptides and promoter, L4 100k/hexon assembly polypeptide comprising a mutation in its start codon and the E2A DBP comprises SEQ ID NO:
23;
[65.] the isolated recombinant polynucleotide of any one of [1] to [27], [33] to [36], [41] to [44] and [49] to [54], wherein the isolated recombinant polynucleotide comprises a nucleotide sequence encoding the E2A promoter, L4 22K/33K polypeptides and promoter, L4 100k/hexon assembly polypeptide comprising an N terminal deletion and the E2A DBP, wherein the N-terminal deletion of the L4 100k/hexon assembly polypeptide encompasses the start codon of L4 100k/hexon assembly but does not encompass the start codon of the L4 22K133K
polypeptides;
[66.] the isolated recombinant polynucleotide of any one of [1] to [27], [33] to [36], [41] to [44] and [49] to [54], wherein the isolated recombinant polynucleotidc comprises a nucleotide sequence encoding the E2A promoter, L4 22K/33K polypeptides and promoter, L4 100k/hexon assembly polypeptide comprising an N terminal deletion and the E2A DBP, wherein all or part of the L4 100k/hexon assembly polypeptide is deleted without disruption of the L4 22K/33K start codon;
[67.] the isolated recombinant polynucleotide of any one of [1] to 127], [33] to [36], 141] to [44] and [49] to [54], and [45] to [50], wherein the isolated recombinant polynucleotide comprises a nucleotide sequence encoding the E2A promoter, L4 22K/33K
polypeptides and promoter, L4 100k/hexon assembly polypeptide comprising an N terminal deletion and the E2A
DBP, wherein the N-terminal deletion of the L4 100k/hexon assembly starts at the start codon of L4 100k/hexon assembly and ends immediately adjacent to the L4 22K/33K
promoter;
[68.] the isolated recombinant polynucleotide of any one of [1] to [27], [33] to [36], [41] to [44] and [49] to [54], and [59] to [67] comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 25, 27, 29, 31 or 33;
[69.] the isolated recombinant polynucleotide of any one of [1] to [27], [33] to [36], [41] to [44] and [49] to [54], and [59] to [67] comprising the nucleotide sequence of SEQ ID NO: 25, 27, 29, 31 or 33;
170.] the isolated recombinant polynucleotide of any one of [1] to [27], [33] to [36], [41] to 144] and 149] to [54]. and [59] to [69] comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 26, 28, 30, 32 or 34;
[71.] the isolated recombinant polynucleotide of any one of [1] to [27], [33] to [36], [41] to [44] and [49] to [54], and [59] to [69] comprising the nucleotide sequence of SEQ ID NO: 26, 28, 30, 32 or 34;
[72.] the isolated recombinant polynucleotide of any one of [1]-[71], wherein the isolated recombinant polynucleotide comprises the nucleotide sequence encoding the adenovirus E2A
DBP, the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide and the nucleotide sequence encoding the adenovirus VA RNA I;
[73.] the isolated recombinant polynucleotide of any one of [1]-[71], wherein the isolated recombinant polynucleotide comprises the nucleotide sequence encoding the adenovirus E2A
DBP, and the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide;
[74.] the isolated recombinant polynucleotide of any one of [1]-[71], wherein the isolated recombinant polynucleotide comprises thc nucleotide sequence cncoding the adenovirus E2A
DBP, and the nucleotide sequence encoding the adenovirus VA RNA I;
175.] the isolated recombinant polynucleotide of any one of [1]-171], wherein the isolated recombinant polynucleotide comprises the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide and the nucleotide sequence encoding the adenovirus VA RNA I;
[76.] the isolated recombinant polynucleotide of any one of [1]-[71], wherein the isolated recombinant polynucleotide comprises the nucleotide sequence encoding the adenovirus E2A
DBP;
177.1 the isolated recombinant polynucleotide of any one of [11-1711, wherein the isolated recombinant polynucleotide comprises the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide;
[78.] the isolated recombinant polynucleotide of any one of [1]-[71], wherein the isolated recombinant polynucleotide comprises the nucleotide sequence encoding the adenovirus VA
RNA I;
[79.] the isolated recombinant polynucleotide of any one of [1] to [78], wherein the isolated recombinant polynucleotide is a plasmid comprising a bacterial replication origin and a selectable marker gene;
[80.] the isolated recombinant polynucleotide of [79], wherein the bacterial replication origin is a ColE1 origin;
[81.] the isolated recombinant polynucleotide of [79] or [80], wherein the selectable marker gene is a drug resistance gene;
[82.] the isolated recombinant polynucleotide of [81], wherein the selectable marker gene is a kanamycin resistance gene;
[83.] the isolated recombinant polynucleotide of any one of [1] to [82]
comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 37-42 or 43;
[84.] the isolated recombinant polynucleotide of any one of [1] to [82]
comprising the nucleotide sequence of SEQ ID NO: 37-42 or 43;
[85.] the isolated recombinant polynucleotide of any one of [1] to [82]
comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 37;
[86.] the isolated recombinant polynucleotide of any one of [1] to [82]
comprising the nucleotide sequence of SEQ ID NO: 37.
[87.1 A host cell comprising the isolated recombinant polynucleotide of any one of [11 to [86_1;
[88.] the host cell of [87], wherein the host cell is a bacterial cell;
[89.] the host cell of [87], wherein the host cell is an E. coli cell;
[90.1 the host cell of 1871, wherein the host cell is a eukaryotic cell;
[91.] the host cell of [87], wherein the host cell is a mammalian cell;
identity to SEQ ID NO: 54;
[13.] the isolated recombinant polynucleotide of any one of [1] to [11], wherein the nucleotide sequence encoding the adenovirus VA RNA I encodes VA RNA I and VA RNA II, and optionally comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ
ID NO: 9;
[14.1 the isolated recombinant polynucleotide of any one of [11 to 1131, wherein the first promoter and second promoter are different promoters;
[15.] the isolated recombinant polynucleotide of any one of [1] to [14], wherein the first promoter is an adenovirus E2A promoter, a CMV promoter, or a CMV derived promoter;
[16.] the isolated recombinant polynucleotide of [15], wherein the first promoter is an adenovirus E2A promoter;
[17.1 the isolated recombinant polynucleotide of [16], wherein the adenovirus E2A promoter comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 2;
[18.] the isolated recombinant polynucleotide of [16], wherein the adenovirus E2A promoter comprises the nucleotide sequence of SEQ ID NO: 2;
[19.] the isolated recombinant polynucleotide of any one of [15] to [18], wherein the nucleotide sequence encoding the adenovirus E2A promoter and E2A DBP comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ Ill NO: 3 or 4;
[20.] the isolated recombinant polynucleotide of any one of [15] to [18], wherein the nucleotide sequence encoding the adenovirus E2A promoter and E2A DBP comprises SEQ ID
NO: 3 or 4;
[21.] the isolated recombinant polynucleotide of any one of [15] to [18], wherein the nucleotide sequence encoding the adenovirus E2A promoter and E2A DBP comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 22 or 23;
[22.] the isolated recombinant polynucleotide of any one of [15] to [18], wherein the nucleotide sequence encoding the adenovirus E2A promoter and E2A DBP comprises SEQ ID
NO: 22 or 23;
[23.] the isolated recombinant polynucleotide of any one of [1] to [14], wherein the first promoter is an inducible promoter;
[24.] the isolated recombinant polynucleotide of any one of [1] to [23], wherein the second promoter is an adenovirus E4 promoter, a CMV promoter, or a CMV derived promoter;
[25.] the isolated recombinant polynucleotide of [24], wherein the second promoter is an adenovirus E4 promoter;
126.] the isolated recombinant polynucleotide of 125], wherein the adenovirus E4 promoter comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 5;
[27.1 the isolated recombinant polynucleotide of [25], wherein the adenovirus E4 promoter comprises the nucleotide sequence of SEQ ID NO: 5;
[28.] the isolated recombinant polynucleotide of any one of [1] to [23], wherein the second promoter is an inducible promoter;
[29.] the isolated recombinant polynucleotide of any one of [1] to [28]
comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 10;
[30.] the isolated recombinant polynucleotide of any one of [1] to [28]
comprising the nucleotide sequence of SEQ ID NO: 10;
[31.] the isolated recombinant polynucleotide of any one of [1] to [28 comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 11;
[32.] the isolated recombinant polynucleotide of any one of [1] to [28]
comprising the nucleotide sequence of SEQ ID NO: 11;
[33.] the isolated recombinant polynucleotide of any one of [1] to [28]
further comprising a nucleotide sequence encoding a Boca virus NP1 and NS2 polypeptides operably linked to a third promoter and to a third polyA signal;
[34.] the isolated recombinant polynucleotide of [33], wherein the nucleotide sequence encoding the Boca virus NP1 and NS2 polypeptides have at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 12;
[35.] the isolated recombinant polynucleotide of [33], wherein the nucleotide sequence encoding the Boca virus NP1 and NS2 polypeptides comprises SEQ ID NO: 12;
[36.] the isolated recombinant polynucleotide of any one of [33] to [35], wherein the third promoter is a CMV promoter;
[37.] the isolated recombinant polynucleotide of any one of [33] to [35]
comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 13;
[38.1 the isolated recombinant polynucleotide of any one of [331 to [351 comprising the nucleotide sequence of SEQ ID NO: 13;
[39.] the isolated recombinant polynucleotide of any one of [33] to [38]
comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 14;
140.1 the isolated recombinant polynucleotide of any one of [33] to [38]
comprising the nucleotide sequence of SEQ ID NO: 14;
[41.] the isolated recombinant polynucleotide of any one of [I] to [28]
further comprising a nucleotide sequence encoding a adeno-associated virus (AAV) assembly-activating protein (AAP) operably linked to a third promoter and to a third polyA signal;
[42.] the isolated recombinant polynucleotide of [41], wherein the nucleotide sequence encoding the AAV AAP have at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ Ill NO: 15;
143.] the isolated recombinant polynucleotide of 141], wherein the nucleotide sequence encoding the AAV AAP comprises SEQ ID NO: 15;
[44.] the isolated recombinant polynucleotide of any one of [41] to [43], wherein the third promoter is a CMV promoter;
[45.] the isolated recombinant polynucleotide of any one of [41] to [44]
comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 16;
[46.] the isolated recombinant polynucleotide of any one of [41] to [44]
comprising the nucleotide sequence of SEQ ID NO: 16;
[47.] the isolated recombinant polynucleotide of any one of [41] to 1146 comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 17;
[48.] the isolated recombinant polynucleotide of any one of [41] to [46]
comprising the nucleotide sequence of SEQ ID NO: 17;
[49.] the isolated recombinant polynucleotide of any one of [I] to [28]
further comprising a nucleotide sequence encoding an adenovirus ElA polypeptide operably linked to a third promoter and to a third polyA signal;
1_50.] the isolated recombinant polynucleotide of 149], wherein the nucleotide sequence encoding the adenovirus ElA polypeptide has at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO:
18;
151.] the isolated recombinant polynucleotide of 149], wherein the nucleotide sequence encoding the adenovirus ElA polypeptide comprises SEQ ID NO: 18;
[52.1 the isolated recombinant polynucleotide of 149], wherein the adenovirus E1A polypeptide comprises an amino acid sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 51;
[53.] the isolated recombinant polynucleotide of [49], wherein the adenovirus El A polypeptide comprises the amino acid sequence of SEQ ID NO: 51;
[54.] the isolated recombinant polynucleotide of any one of [49] to [53], wherein the third promoter is a CMV promoter;
[55.] the isolated recombinant polynucleotide of any one of 149] to [54]
comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 19;
[56.] the isolated recombinant polynucleotide of any one of [49] to [54]
comprising the nucleotide sequence of SEQ ID NO: 19;
[57.] the isolated recombinant polynucleotide of any one of [49] to [56]
comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 20;
[58.] the isolated recombinant polynucleotide of any one of [49] to [56]
comprising the nucleotide sequence of SEQ ID NO: 20;
[59.] the isolated recombinant polynucleotide of any one of [1] to [27], [33] to [36], [41] to [44] and [49] to [54, wherein the isolated recombinant polynucleotide comprises a nucleotide sequence encoding the E2A promoter, L4 22K/33K polypeptides and promoter, L4 100k/hexon assembly polypeptide comprising an N terminal deletion and the E2A DBP, wherein the N-terminal deletion of the L4 100k/hexon assembly polypeptide corresponds to the nucleotide sequence of SEQ ID NO: 21;
[60.] the isolated recombinant polynucleotide of [59], wherein the nucleotide sequence encoding the E2A promoter, L4 22K/33K polypeptides and promoter, L4 100k/hexon assembly polypeptide comprising an N terminal deletion and the E2A DBP comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100% identity to SEQ ID NO: 22;
[61.1 the isolated recombinant polynucleotide of 159], wherein the nucleotide sequence encoding the E2A promoter, L4 22K/33K polypeptides and promoter, L4 100k/hexon assembly polypeptide comprising an N terminal deletion and the E2A DBP comprises SEQ ID
NO: 22;
[62.] the isolated recombinant polynucleotide of any one of [1] to [27], [33] to [36], [41] to [44] and [49] to [54], wherein the isolated recombinant polynucleotide comprises a nucleotide sequence encoding the E2A promoter, L4 22K/33K polypeptides and promoter, L4 100k/hexon assembly polypeptide comprising a mutation in its start codon and the E2A DBP;
[63.] the isolated recombinant polynucleotide of [62], wherein the nucleotide sequence encoding the E2A promoter, L4 22K/33K polypeptides and promoter, L4 100k/hexon assembly polypeptide comprising a mutation in its start codon and the E2A DBP comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100% identity to SEQ Ill NO: 23;
[64.] the isolated recombinant polynucleotide of [62], wherein the nucleotide sequence encoding the E2A promoter, L4 22K/33K polypeptides and promoter, L4 100k/hexon assembly polypeptide comprising a mutation in its start codon and the E2A DBP comprises SEQ ID NO:
23;
[65.] the isolated recombinant polynucleotide of any one of [1] to [27], [33] to [36], [41] to [44] and [49] to [54], wherein the isolated recombinant polynucleotide comprises a nucleotide sequence encoding the E2A promoter, L4 22K/33K polypeptides and promoter, L4 100k/hexon assembly polypeptide comprising an N terminal deletion and the E2A DBP, wherein the N-terminal deletion of the L4 100k/hexon assembly polypeptide encompasses the start codon of L4 100k/hexon assembly but does not encompass the start codon of the L4 22K133K
polypeptides;
[66.] the isolated recombinant polynucleotide of any one of [1] to [27], [33] to [36], [41] to [44] and [49] to [54], wherein the isolated recombinant polynucleotidc comprises a nucleotide sequence encoding the E2A promoter, L4 22K/33K polypeptides and promoter, L4 100k/hexon assembly polypeptide comprising an N terminal deletion and the E2A DBP, wherein all or part of the L4 100k/hexon assembly polypeptide is deleted without disruption of the L4 22K/33K start codon;
[67.] the isolated recombinant polynucleotide of any one of [1] to 127], [33] to [36], 141] to [44] and [49] to [54], and [45] to [50], wherein the isolated recombinant polynucleotide comprises a nucleotide sequence encoding the E2A promoter, L4 22K/33K
polypeptides and promoter, L4 100k/hexon assembly polypeptide comprising an N terminal deletion and the E2A
DBP, wherein the N-terminal deletion of the L4 100k/hexon assembly starts at the start codon of L4 100k/hexon assembly and ends immediately adjacent to the L4 22K/33K
promoter;
[68.] the isolated recombinant polynucleotide of any one of [1] to [27], [33] to [36], [41] to [44] and [49] to [54], and [59] to [67] comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 25, 27, 29, 31 or 33;
[69.] the isolated recombinant polynucleotide of any one of [1] to [27], [33] to [36], [41] to [44] and [49] to [54], and [59] to [67] comprising the nucleotide sequence of SEQ ID NO: 25, 27, 29, 31 or 33;
170.] the isolated recombinant polynucleotide of any one of [1] to [27], [33] to [36], [41] to 144] and 149] to [54]. and [59] to [69] comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 26, 28, 30, 32 or 34;
[71.] the isolated recombinant polynucleotide of any one of [1] to [27], [33] to [36], [41] to [44] and [49] to [54], and [59] to [69] comprising the nucleotide sequence of SEQ ID NO: 26, 28, 30, 32 or 34;
[72.] the isolated recombinant polynucleotide of any one of [1]-[71], wherein the isolated recombinant polynucleotide comprises the nucleotide sequence encoding the adenovirus E2A
DBP, the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide and the nucleotide sequence encoding the adenovirus VA RNA I;
[73.] the isolated recombinant polynucleotide of any one of [1]-[71], wherein the isolated recombinant polynucleotide comprises the nucleotide sequence encoding the adenovirus E2A
DBP, and the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide;
[74.] the isolated recombinant polynucleotide of any one of [1]-[71], wherein the isolated recombinant polynucleotide comprises thc nucleotide sequence cncoding the adenovirus E2A
DBP, and the nucleotide sequence encoding the adenovirus VA RNA I;
175.] the isolated recombinant polynucleotide of any one of [1]-171], wherein the isolated recombinant polynucleotide comprises the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide and the nucleotide sequence encoding the adenovirus VA RNA I;
[76.] the isolated recombinant polynucleotide of any one of [1]-[71], wherein the isolated recombinant polynucleotide comprises the nucleotide sequence encoding the adenovirus E2A
DBP;
177.1 the isolated recombinant polynucleotide of any one of [11-1711, wherein the isolated recombinant polynucleotide comprises the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide;
[78.] the isolated recombinant polynucleotide of any one of [1]-[71], wherein the isolated recombinant polynucleotide comprises the nucleotide sequence encoding the adenovirus VA
RNA I;
[79.] the isolated recombinant polynucleotide of any one of [1] to [78], wherein the isolated recombinant polynucleotide is a plasmid comprising a bacterial replication origin and a selectable marker gene;
[80.] the isolated recombinant polynucleotide of [79], wherein the bacterial replication origin is a ColE1 origin;
[81.] the isolated recombinant polynucleotide of [79] or [80], wherein the selectable marker gene is a drug resistance gene;
[82.] the isolated recombinant polynucleotide of [81], wherein the selectable marker gene is a kanamycin resistance gene;
[83.] the isolated recombinant polynucleotide of any one of [1] to [82]
comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 37-42 or 43;
[84.] the isolated recombinant polynucleotide of any one of [1] to [82]
comprising the nucleotide sequence of SEQ ID NO: 37-42 or 43;
[85.] the isolated recombinant polynucleotide of any one of [1] to [82]
comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 37;
[86.] the isolated recombinant polynucleotide of any one of [1] to [82]
comprising the nucleotide sequence of SEQ ID NO: 37.
[87.1 A host cell comprising the isolated recombinant polynucleotide of any one of [11 to [86_1;
[88.] the host cell of [87], wherein the host cell is a bacterial cell;
[89.] the host cell of [87], wherein the host cell is an E. coli cell;
[90.1 the host cell of 1871, wherein the host cell is a eukaryotic cell;
[91.] the host cell of [87], wherein the host cell is a mammalian cell;
12
13 [92.] the host cell of [87], wherein the host cell is a HEK293 cell. HEK
derived cell. CHO cell, CHO derived cell, HeLa cell, SF-9 cell, BHK cell, Vero cell, CAP cell, or PerC6 cell.
[93.] A method of producing the isolated recombinant polynucleotide of any one of [I] to [86]
comprising incubating under suitable conditions the host cell of any of [87]
to [92];
[94.] the method of [93] comprising incubating under suitable conditions the host cell of [88]
or [89].
[95.] A method of producing recombinant adeno-associated virus (rAAV) particles comprising culturing a cell capable of producing the rAAV particles, wherein the cell comprises i. a polynucleotide encoding an AAV capsid protein;
a polynucleotide encoding a functional rep gene;
a polynucleotide comprising a genome comprising at least one AAV inverted terminal repeat (ITR) and a non-AAV nucleic acid sequence encoding a gene product operably linked to sequences which direct expression of the gene product in a target cell; and iv. one or more polynucleotides comprising sufficient helper functions to permit packaging of the genome into the AAV capsid protein under conditions which permit packaging of the genome into the AAV capsid, wherein the one or more polynucleotides comprising sufficient helper functions independently comprise the isolated recombinant polynucleotide of any one of [1] to [86];
[96.] the method of [95], wherein the one or more polynucleotides comprising sufficient helper functions comprise the isolated polynucleotide comprising the nucleotide sequence encoding the adenovirus E2A DBP, the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide and the nucleotide sequence encoding the adenovirus VA RNA I.
[97.] A method of producing rAAV particles, comprising a) providing a cell culture comprising a cell;
b) introducing into the cell one or more polynucleotides comprising i. a polynucleotide encoding an AAV capsid protein;
a polynucleotide encoding a functional rep gene;
a polynucleotide comprising a genome comprising at least one AAV inverted terminal repeat (ITR) and a non-AAV nucleic acid sequence encoding a gene product operably linked to sequences which direct expression of the gene product in a target cell;
and iv. one or more polynucleotides comprising sufficient helper functions to permit packaging of the genome into the AAV capsid protein under conditions which permit packaging of the genome into the AAV capsid, wherein the one or more polynucleotides comprising sufficient helper functions independently comprise the polynucleotide of any one of [1] to [86], and c) maintaining the cell culture under conditions that allow production of the rAAV particles;
[98.] the method of [97], wherein the one or more polynucleotides comprising sufficient helper functions comprise the isolated polynucleotide comprising the nucleotide sequence encoding the adenovirus E2A DBP, the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide and the nucleotide sequence encoding the adenovirus VA RNA I;
[99.] the method of [97] or [98], comprising introducing into the cell a polynucleotide encoding an AAV capsid protein and a functional rep gene;
[100.] the method of any one of [97] to [99], wherein the introducing of the one or more polynucleotides into the cell is by transfection;
[101.] the method of any one of [95] to [100], wherein the cell is a mammalian cell;
[102.] the method of any one of [95] to [100], wherein the cell is an insect cell;
[103.] the method of any one of 11951 to [100], wherein the cell is a HEK293 cell, HEK derived cell, CHO cell, CHO derived cell, HeLa cell, SF-9 cell, BHK cell, Vero cell, CAP cell or PerC6 cell;
[104.] the method of any one of [95] to [100], wherein the cell is a HEK293 cell;
[105.] the method of any one of [95] to [104], wherein the cell culture is a suspension culture or an adherent culture;
[106.] the method of any one of [95] to [105], further comprising recovering the rAAV
particles;
[107.] the method of any one of 11951 to [105], wherein the method produces more rAAV
particles measured as GC/ml than a reference method using a polynucleotide comprising helper functions comprising the nucleotide sequence of SEQ ID NO: 44;
[108.] the method of any one of [95] to [105], wherein the method produces at least about twice as many rAAV particles measured as GC/ml than a reference method using a polynucleotide comprising helper functions comprising the nucleotide sequence of SEQ ID NO:
44;
derived cell. CHO cell, CHO derived cell, HeLa cell, SF-9 cell, BHK cell, Vero cell, CAP cell, or PerC6 cell.
[93.] A method of producing the isolated recombinant polynucleotide of any one of [I] to [86]
comprising incubating under suitable conditions the host cell of any of [87]
to [92];
[94.] the method of [93] comprising incubating under suitable conditions the host cell of [88]
or [89].
[95.] A method of producing recombinant adeno-associated virus (rAAV) particles comprising culturing a cell capable of producing the rAAV particles, wherein the cell comprises i. a polynucleotide encoding an AAV capsid protein;
a polynucleotide encoding a functional rep gene;
a polynucleotide comprising a genome comprising at least one AAV inverted terminal repeat (ITR) and a non-AAV nucleic acid sequence encoding a gene product operably linked to sequences which direct expression of the gene product in a target cell; and iv. one or more polynucleotides comprising sufficient helper functions to permit packaging of the genome into the AAV capsid protein under conditions which permit packaging of the genome into the AAV capsid, wherein the one or more polynucleotides comprising sufficient helper functions independently comprise the isolated recombinant polynucleotide of any one of [1] to [86];
[96.] the method of [95], wherein the one or more polynucleotides comprising sufficient helper functions comprise the isolated polynucleotide comprising the nucleotide sequence encoding the adenovirus E2A DBP, the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide and the nucleotide sequence encoding the adenovirus VA RNA I.
[97.] A method of producing rAAV particles, comprising a) providing a cell culture comprising a cell;
b) introducing into the cell one or more polynucleotides comprising i. a polynucleotide encoding an AAV capsid protein;
a polynucleotide encoding a functional rep gene;
a polynucleotide comprising a genome comprising at least one AAV inverted terminal repeat (ITR) and a non-AAV nucleic acid sequence encoding a gene product operably linked to sequences which direct expression of the gene product in a target cell;
and iv. one or more polynucleotides comprising sufficient helper functions to permit packaging of the genome into the AAV capsid protein under conditions which permit packaging of the genome into the AAV capsid, wherein the one or more polynucleotides comprising sufficient helper functions independently comprise the polynucleotide of any one of [1] to [86], and c) maintaining the cell culture under conditions that allow production of the rAAV particles;
[98.] the method of [97], wherein the one or more polynucleotides comprising sufficient helper functions comprise the isolated polynucleotide comprising the nucleotide sequence encoding the adenovirus E2A DBP, the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide and the nucleotide sequence encoding the adenovirus VA RNA I;
[99.] the method of [97] or [98], comprising introducing into the cell a polynucleotide encoding an AAV capsid protein and a functional rep gene;
[100.] the method of any one of [97] to [99], wherein the introducing of the one or more polynucleotides into the cell is by transfection;
[101.] the method of any one of [95] to [100], wherein the cell is a mammalian cell;
[102.] the method of any one of [95] to [100], wherein the cell is an insect cell;
[103.] the method of any one of 11951 to [100], wherein the cell is a HEK293 cell, HEK derived cell, CHO cell, CHO derived cell, HeLa cell, SF-9 cell, BHK cell, Vero cell, CAP cell or PerC6 cell;
[104.] the method of any one of [95] to [100], wherein the cell is a HEK293 cell;
[105.] the method of any one of [95] to [104], wherein the cell culture is a suspension culture or an adherent culture;
[106.] the method of any one of [95] to [105], further comprising recovering the rAAV
particles;
[107.] the method of any one of 11951 to [105], wherein the method produces more rAAV
particles measured as GC/ml than a reference method using a polynucleotide comprising helper functions comprising the nucleotide sequence of SEQ ID NO: 44;
[108.] the method of any one of [95] to [105], wherein the method produces at least about twice as many rAAV particles measured as GC/ml than a reference method using a polynucleotide comprising helper functions comprising the nucleotide sequence of SEQ ID NO:
44;
14 [109.] the method of any one of [951 to [105], wherein the method produces a population of rAAV particles comprising more full capsids than a reference method using a polynucleotide comprising helper functions comprising the nucleotide sequence of SEQ ID NO:
44;
[110.] the method of any one of [95] to [109], wherein the cell culture has a volume between about 50 liters and about 20,000 liters;
[111.] the method of any one of [95] to [110], wherein the rAAV particles comprise a capsid protein of the AAV1, AAV2, AAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15 and AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, or AAV.HSC16 serotype;
[112.] the method of any one of [95] to [110], wherein the rAAV particles comprise a capsid protein of the AAV8, AAV9, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, or AAV.hu37 serotype;
[113.] the method of any one of 11951 to [110], wherein the rAAV particles comprise a capsid protein of the AAV8 or AAV9 serotype;
[114.] the method of any one of [95] to [110], wherein the gene product is a polypeptide or a double stranded RNA molecule;
[115.] the method of [114], wherein the gene product is a polypeptide;
[116.] the method of [115], wherein the gene product is anti-VEGF Fab, anti-kallikrein antibody, anti-TNF antibody, microdystrophin, minidystrophin, iduronidasc (IDUA), iduronatc 2-sulfatase (IDS), low-density lipoprotein receptor (LDLR), tripeptidyl peptidase 1 (TPP1), or non-membrane associated splice variant of VEGF receptor 1 (sFlt-1);
[117.] the method of [115], wherein the gene product is an gamma-sarcoglycan, Rab Escort Protein 1 (REP1/CHM), retinoid isomerohydrolase (RPE65), cyclic nucleotide gated channel alpha 3 (CNGA3), cyclic nucleotide gated channel beta 3 (CNGB3), aromatic L-amino acid decarboxylase (AADC), lysosome-associated membrane protein 2 isoform B
(LAMP2B), Factor VIII, Factor IX, retinitis pigmentosa GTPase regulator (RPGR), retinoschisin (RS1), sarcoplasmic reticulum calcium ATPase (SERCA2a), aflibercept, battenin (CLN3), transmembrane ER protein (CLN6), glutamic acid decarboxylase (GAD), Glial cell line-derived neurotrophic factor (GDNF), aquaporin 1 (AQP1), dystrophin, myotubularin 1 (MTM1), follistatin (FST), glucose-6-phosphatase (G6Pase), apolipoprotein A2 (AP0A2), uridine diphosphate glucuronosyl transferase 1A1 (UGT1A1), arylsulfatase B (ARSB), N-acetyl-alpha-glucosaminidase (NAGLU), alpha-glucosidase (GAA), alpha-galactosidase (GLA), beta-galactosidasc (GLB1), lipoprotein lipase (LPL), alpha 1-antitrypsin (AAT), phosphodiesterase 6B
(PDE6B), ornithine carbamoyltransferase 90TC), survival motor neuron (SMN1), survival motor neuron (SMN2), neurturin (NRTN), Neurotrophin-3 (NT-3/NTF3), porphobilinogen deaminase (PBGD), nerve growth factor (NGF), mitochondrially encoded NADH:ubiquinone oxidoreductase core subunit 4 (MT-ND4), protective protein cathepsin A (PPCA), dysferlin, MER proto-oncogene, tyrosine kinase (MERTK), cystic fibrosis transmembrane conductance regulator (CFTR), or tumor necrosis factor receptor (TNFR)-immunoglobulin (IgG1) Fc fusion;
[118.] the method of [115], wherein the gene product is a dystrophin or a microdystrophin;
[119.] the method of [114], wherein the gene product is a microRNA.
[0017] Still other features and advantages of the compositions and methods described herein will become more apparent from the following detailed description when read in conjunction with the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1. The pAdDeltaF6 reference helper plasmid.
[0019] Figure 2. Helper plasmid #1 map.
[0020] Figure 3. Helper #1 improved AAV titers. Fold change in rAAV production titer relative to titer obtained using pAdDeltaF6 Original/Old helper and clone 1-P8 is shown.
[0021] Figure 4. Helper plasmid #2 map.
[0022] Figure 5. Helper #2 plasmid improved AAV titers. Fold change in rAAV
production titer relative to titer obtained using pAdDeltaF6 Original/Old helper and clone 1 is shown.
[0023] Figure 6. Screening of E4 variants. Fold change in rAAV production titer relative to titer obtained using a helper comprising whole E4 is shown.
[0024] Figure 7. Helper #3 plasmid map.
[0025] Figure 8. Helper #3 further improved AAV titers. Fold change in rAAV
production titer relative to titer obtained using pAdDeltaF6 Original/Old helper and clone 1 (5e6) is shown.
[0026] Figure 9. Helper #3 further improved AAV titers. Fold change in rAAV
production titer relative to titer obtained using pAdDeltaF6 Original/Old helper and clone 1 (5e6) is shown.
[0027] Figure 10. Addition of Boca virus genes NP1 and NS2 to helper plasmid #2.
[0028] Figure 11. Addition of Boca virus helper genes did not improve AAV
titers. Fold change in rAAV production titer relative to titer obtained using pAdDeltaF6 Original/Old helper and clone 1 is shown.
[0029] Figure 12. Addition of AAP to helper #3.
[0030] Figure 13. Helper plasmid #4 map.
[0031] Figure 14. Effect of adding AAP and El A on the virus titers. Fold change in rAAV
production titer relative to titer obtained using pAdDeltaF6 Original/Old helper and clone 1 is shown.
[0032] Figure 15. Effect of mutations in hexon assembly and L4 22K/33K
sequences on AAV
titers. Fold change in rAAV production titer relative to titer obtained using New Helper #3 and clone 1 is shown.
DETAILED DESCRIPTION
[0033] In one aspect, provided herein are improved recombinant polynucleotides and plasmids encoding helper functions suitable for use in the production of recombinant AAV particles. In some embodiments, the recombinant polynucleotides and plasmids encode one or more of an adenovirus E2A DNA binding protein, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA
I. In some embodiments, the polynucleotides and plasmids do not comprise a nucleotide sequence encoding an adenovirus ITR sequence, L3 23K endoprotease, L5 pVI/fibre, and/or L4 pVIII/hexon-associated precursor. In some embodiments, the polynucleotides and plasmids are smaller than previously available polynucleotides and plasmids encoding helper functions suitable for use in the production of recombinant AAV particles. In some embodiments, use of the improved polynucleotides and plasmids described herein in the production of recombinant AAV particles results in increased rAAV yield.
DEFINITIONS
[0034] Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure is related. To facilitate an understanding of the disclosed methods, a number of terms and phrases are defined below.
[0035] "AAV" is an abbreviation for adeno-associated virus, and may be used to refer to the virus itself or modifications, derivatives, or pseudotypes thereof. The term covers all subtypes and both naturally occurring and recombinant forms, except where required otherwise. The abbreviation "rAAV" refers to recombinant adeno-associated virus. The term "AAV" includes AAV type 1 (AAV1), AAV type 2 (AAV2), AAV type 3 (AAV3), AAV type 4 (AAV4), AAV
type 5 (AAV5), AAV type 6 (AAV6), AAV type 7 (AAV7), AAV type 8 (AAV8), AAV
type 9 (AAV9), avian AAV, bovine AAV, canine AAV, equine AAV, primate AAV, non-primate AAV, and ovine AAV, and modifications, derivatives, or pseudotypes thereof.
"Primate AAV" refers to AAV that infect primates, "non-primate AAV' refers to AAV that infect non-primate mammals, "bovine AAV" refers to AAV that infect bovine mammals, etc.
[0036] "Recombinant" , as applied to an AAV particle means that the AAV
particle is the product of one or more procedures that result in an AAV particle construct that is distinct from an AAV
particle in nature.
[0037] A recombinant adeno-associated virus particle "rAAV particle" refers to a viral particle composed of at least one AAV capsid protein and an encapsidated polynucleotide rAAV vector genome comprising a heterologous polynucleotide (i.e. a polynucleotide other than a wild-type AAV genome such as a transgene to be delivered to a mammalian cell). The rAAV
particle may be of any AAV serotype, including any modification, derivative or pseudotype (e.g., AAV1, AAV2, AAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, or AAV10, or derivatives/modifications/pseudotypes thereof). Such AAV serotypes and derivatives/modifications/pseudotypes, and methods of producing such serotypes/derivatives/modifications/ pseudotypes are known in the art (see, e.g., Asokan et al., Mol. Ther. 20(4):699-708 (2012).
[0038] The rAAV particles of the disclosure may be of any serotype, or any combination of serotypes, (e.g., a population of rAAV particles that comprises two or more serotypes, e.g., comprising two or more of rAAV2, rAAV8, and rAAV9 particles). In some embodiments, the rAAV particles are rAAV1, rAAV2, rAAV3, rAAV4, rAAV5, rAAV6, rAAV7, rAAV8, rAAV9, rAAV10, or other rAAV particles, or combinations of two or more thereof). In some embodiments, the rAAV particles are rAAV8 or rAAV9 particles.
[0039] In some embodiments, the rAAV particles have an AAV capsid protein of a serotype selected from the group consisting of AAV1, AAV2, AAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15 and AAV16 or a derivative, modification, or pseudotype thereof. In some embodiments, the rAAV particles have an AAV
capsid protein of a serotype of AAV8, AAV9, or a derivative, modification, or pseudotype thereof.
[0040] The term "cell culture," refers to cells grown adherent or in suspension, bioreactors, roller bottles, hyperstacks, microspheres, macrospheres, flasks and the like, as well as the components of the supernatant or suspension itself, including but not limited to rAAV
particles, cells, cell debris, cellular contaminants, colloidal particles, biomolecules, host cell proteins, nucleic acids, and lipids, and flocculants. Large scale approaches, such as bioreactors, including suspension cultures and adherent cells growing attached to microcarriers or macrocarriers in stirred bioreactors, are also encompassed by the term "cell culture." Cell culture procedures for both large and small-scale production of proteins are encompassed by the present disclosure. In some embodiments, the term "cell culture" refers to cells grown in suspension. In some embodiments, the term "cell culture" refers to adherent cells grown attached to microcarriers or macrocarriers in stirred bioreactors. In some embodiments, the term "cell culture" refers to cells grown in a perfusion culture. In some embodiments, the term "cell culture" refers to cells grown in an alternating tangential flow (ATF) supported high-density perfusion culture.
[0041] The terms "purifying", "purification", "separate", "separating", "separation", "isolate", "isolating", or "isolation", as used herein, refer to increasing the degree of purity of a target product, e.g., rAAV particles and rAAV genome from a sample comprising the target product and one or more impurities. Typically, the degree of purity of the target product is increased by removing (completely or partially) at least one impurity from the sample. In some embodiments, the degree of purity of the rAAV in a sample is increased by removing (completely or partially) one or more impurities from the sample by using a method described herein.
[0042] "About" modifying, for example, the quantity of an ingredient in the compositions, concentration of an ingredient in the compositions, flow rate, rAAV particle yield, feed volume, salt concentration, and like values, and ranges thereof, employed in the methods provided herein, refers to variation in the numerical quantity that can occur, for example, through typical measuring and handling procedures used for making concentrates or use solutions; through inadvertent error in these procedures; through differences in the manufacture, source, or purity of the ingredients employed to make the compositions or carry out the methods;
and like considerations. The term "about" also encompasses amounts that differ due to aging of a composition with a particular initial concentration or mixture. The term "about" also encompasses amounts that differ due to mixing or processing a composition with a particular initial concentration or mixture. Whether or not modified by the term "about" the claims include equivalents to the quantities. In some embodiments, the term ''about" refers to ranges of approximately 10-20% greater than or less than the indicated number or range.
In further embodiments, "about" refers to plus or minus 10% of the indicated number or range. For example, "about 10%" indicates a range of 9% to 11%.
[0043] As used in the present disclosure and claims, the singular forms "a", "an" and "the"
include plural forms unless the context clearly dictates otherwise.
[0044] It is understood that wherever embodiments are described herein with the language "comprising" otherwise analogous embodiments described in terms of "consisting of' and/or "consisting essentially of" are also provided. It is also understood that wherever embodiments are described herein with the language "consisting essentially of" otherwise analogous embodiments described in terms of "consisting of" are also provided.
[0045] The term "and/or" as used in a phrase such as "A and/or B" herein is intended to include both A and B; A or B; A (alone); and B (alone). Likewise, the term "and/or" as used in a phrase such as "A, B, and/or C" is intended to encompass each of the following embodiments: A, B, and C; A, B, or C; A or C; A or B; B or C; A and C; A and B; B and C; A (alone); B
(alone); and C
(alone).
[0046] Where embodiments of the disclosure arc described in tcrms of a Markush group or other grouping of alternatives, the disclosed method encompasses not only the entire group listed as a whole, but also each member of the group individually and all possible subgroups of the main group, and also the main group absent one or more of the group members. The disclosed methods also envisage the explicit exclusion of one or more of any of the group members in the disclosed methods.
RECOMBINANT POLYNUCLEOTIDES
[0047] In some embodiments, the disclosure provides an isolated recombinant polynucleotide encoding one or more helper functions that are capable of promoting production of recombinant AAV particles in a host cell, e.g., an HEK cell. In some embodiments, an isolated recombinant polynucleotide described herein comprises one or more of (a) a nucleotide sequence encoding an adenovirus E2A DNA binding protein (DBP); (b) a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide; and (c) a nucleotide sequence encoding an adenovirus VA
RNA I. In some embodiments, the nucleotide sequence encoding an adenovirus VA
RNA I
encodes an adcnovirus VA RNA I and VA RNA II. In some embodiments, the isolated recombinant polynucleotide does not comprise a nucleotide sequence encoding an adenovirus ITR sequence, L3 23K endoprotease, L5 pVI/fibre, and/or L4 pVIII/hexon-associated precursor.
In some embodiments, the nucleotide sequence encoding the adenovirus ITR
sequence, L3 23K
endoprotease, L5 pVI/fibre, and/or L4 pVIII/hexon-associated precursor is the corresponding nucleotide sequence of pAdDeltaF6. In some embodiments, a nucleotide sequence encoding a protein or polypeptide (e.g., E2A DBP or E4 ORF6 and ORF7), or RNA (e.g., VA
RNA I) comprises a promoter operably linked to a nucleotide sequence comprising the coding region for the protein or polypeptide, or RNA. In some embodiments, a nucleotide sequence encoding a protein or polypeptide comprises a promoter and a polyA signal operably linked to a nucleotide sequence comprising the coding region.
[0048] In some embodiments, an isolated recombinant polynucleotide described herein comprises a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I. In some embodiments, an isolated recombinant polynucleotide described herein comprises a nucleotide sequence encoding an adenovirus E2A DBP, and a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide. In some embodiments, an isolated recombinant polynucleotide described herein comprises a nucleotide sequence encoding an adenovirus E2A DBP, and a nucleotide sequence encoding an adenovirus VA RNA
I. In some embodiments, an isolated recombinant polynucleotide described herein comprises a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I. In some embodiments, an isolated recombinant polynucleotide described herein comprises a nucleotide sequence encoding an adenovirus E2A
DBP. In some embodiments, an isolated recombinant polynucleotide described herein comprises a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide. In some embodiments, an isolated recombinant polynucleotide described herein comprises a nucleotide sequence encoding an adenovirus VA RNA I. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA I encodes an adenovirus VA RNA I and VA RNA IL
In some embodiments, the isolated recombinant polynucleotide does not comprise a nucleotide sequence encoding an adenovirus ITR sequence, L3 23K endoprotease, L5 pVI/fibre, and/or pVIII/hexon-associated precursor. In some embodiments, the nucleotide sequence encoding the adcnovirus ITR sequence, L3 23K endoprotease, L5 pVI/fibre, and/or L4 pVIII/hexon-associated precursor is the corresponding nucleotide sequence of pAdDeltaF6. In some embodiments of the isolated recombinant polynucleotide, the nucleotide sequence encoding the adenovirus E2A DBP
and the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 are in opposite 5' to 3' orientation. In some embodiments of the isolated recombinant polynucleotide, the nucleotide sequence encoding the adenovirus E2A DBP and the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 are in the same 5' to 3 orientation.
[0049] In some embodiments, an isolated recombinant polynucleotide described herein comprises a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I, wherein the nucleotide sequence encoding the adenovirus E2A DBP and the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 are in opposite 5' to 3' orientation, and wherein the isolated recombinant polynucleotide does not comprise a nucleotide sequence encoding an adenovirus ITR sequence, L3 23K endoprotease, L5 pVI/fibre, and/or L4 pVIII/hexon-associated precursor. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA I encodes an adenovirus VA RNA I and VA RNA II.
Adenovirus E2A DNA binding protein [0050] In some embodiments, the nucleotide sequence encoding an adenovirus E2A
DBP
comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 1. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 1. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 1. In some embodiments, the nucleotide sequence encoding an adenovirus E2A
DBP comprises a nucleotide sequence having at least 98% identity to SEQ ID NO:
1. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP comprises SEQ ID NO:
1. In some embodiments, the adenovirus E2A DBP polypeptide comprises an amino acid sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 45. In some embodiments, the adenovirus E2A
DBP polypeptide comprises an amino acid sequence having at least 90% identity to SEQ ID NO:
45. In some embodiments, the adenovirus E2A DBP polypeptide comprises an amino acid sequence having at least 95% identity to SEQ ID NO: 45. In some embodiments, the adenovirus E2A DBP polypeptide comprises an amino acid sequence having at least 98%
identity to SEQ ID
NO: 45. In some embodiments, the adenovirus E2A DBP polypeptide comprises the amino acid sequence of SEQ Ill NO: 45. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP is operably linked to a promoter and to a polyA signal.
[0051] In some embodiments, the nucleotide sequence encoding an adenovirus E2A
DBP
comprises a nucleotide sequence encoding a polypeptide comprising an amino acid sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 45. In sonic embodiments, the adenovirus polypeptide comprises an amino acid sequence having at least 90% identity to SEQ ID NO: 45. In some embodiments, the adenovirus E2A DBP polypeptide comprises an amino acid sequence having at least 95% identity to SEQ ID NO: 45. In some embodiments, the adenovirus E2A DBP
polypeptide comprises an amino acid sequence having at least 98% identity to SEQ ID NO: 45. In some embodiments, the adenovirus E2A DBP polypeptide comprises the amino acid sequence of SEQ ID NO: 45. In some embodiments, the nucleotide sequence encoding an adenovirus E2A
DBP is operably linked to a promoter and to a polyA signal.
[0052] In some embodiments, the nucleotide sequence encoding an adenovirus E2A
DBP is operably linked to an adenovirus E2A promoter. In some embodiments, the adenovirus E2A
promoter comprises a nucleotide sequence comprising at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ
ID NO: 2. In some embodiments, the adenovirus E2A promoter comprises a nucleotide sequence comprising at least 95% identity to SEQ ID NO: 2. In some embodiments, the adenovirus E2A promoter comprises the nucleotide sequence of SEQ ID NO: 2. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP is operably linked to a promoter that is not an adenovirus E2A
promoter.
[0053] In some embodiments, the nucleotide sequence encoding an adenovirus E2A
DBP
operably linked to an adenovirus E2A promoter, and optionally a polyA signal, encompasses, from 3' to 5', the adenovirus E2A promoter, an adenovirus L4 22K/33K gene, an adenovirus L4 100k/hexon assembly gene, the nucleotide sequence encoding an adenovirus E2A
DBP and optionally the polyA signal. In some embodiments, the relative orientation of the adenovirus E2A
promoter, adenovirus L4 22K/33K gene, adenovirus L4 100k/hexon assembly gene, nucleotide sequence encoding an adenovirus E2A DBP and optional polyA signal is the same as in pAdDeltaF6. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP
operably linked to an adenovirus E2A promoter comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 %
identity to SEQ ID NO: 3. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A promoter comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 3. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A
promoter comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 3.
In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A promoter comprises a nucleotide sequence having at least 98%
identity to SEQ
ID NO: 3. In some embodiments, the nucleotide sequence encoding an adenovirus operably linked to an adenovirus E2A promoter comprises the nucleotide sequence of SEQ ID
NO: 3. In some embodiments, the nucleotide sequence encoding an adenovirus E2A
DBP
operably linked to an adenovirus E2A promoter and polyA signal comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 4. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A promoter and polyA
signal comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 4. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A promoter and polyA signal comprises a nucleotide sequence having at least 95%
identity to SEQ ID NO: 4. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A promoter and polyA
signal comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 4.
In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A promoter and polyA signal comprises the nucleotide sequence of SEQ ID NO: 4.
[0054] In some embodiments, the nucleotide sequence encoding an adenovirus E2A
DBP
operably linked to an adenovirus E2A promoter encompasses, from 3' to 5', the adenovirus E2A
promoter, an adenovirus L4 22K/33K gene, an adenovirus L4 100k/hexon assembly gene, the nucleotide sequence encoding an adenovirus E2A DBP, wherein the adenovirus L4 100k/hexon assembly gene comprises an N terminal deletion of the L4 100k/hexon assembly polypeptide. In some embodiments, the N terminal deletion does not affect the L4 100k/hexon assembly promoter. In some embodiments, the N terminal deletion corresponds to the sequence of SEQ ID
NO: 21. In some embodiments, the relative orientation of the adenovirus E2A
promoter, adenovirus L4 22K/33K gene, adenovirus L4 100k/hexon assembly gene and nucleotide sequence encoding an adenovirus E2A DBP is the same as in pAdDeltaF6. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A
promoter comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO:
22. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A promoter comprises a nucleotide sequence having at least 90%
identity to SEQ
ID NO: 22. In some embodiments, the nucleotide sequence encoding an adenovirus operably linked to an adenovirus E2A promoter comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 22. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A promoter comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 22. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A
promoter comprises the nucleotide sequence of SEQ ID NO: 22. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP and adenovirus E2A promoter further comprises an operably linked polyA signal.
[0055] In some embodiments, the nucleotide sequence encoding an adenovirus E2A
DBP
operably linked to an adenovirus E2A promoter encompasses, from 3' to 5', the adenovirus E2A
promoter, an adenovirus L4 22K/33K gene, an adenovirus L4 100k/hexon assembly gene, the nucleotide sequence encoding an adenovirus E2A DBP, wherein the adenovirus L4 100k/hexon assembly gene comprises a mutation in the start codon of the L4 100k/hexon assembly polypeptide. In some embodiments, the relative orientation of the adenovirus E2A promoter, adenovirus L4 22K133K gene, adenovirus L4 100k/hexon assembly gene and nucleotide sequence encoding an adenovirus E2A DBP is the same as in pAdDeltaF6. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A
promoter comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO:
23. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A promoter comprises a nucleotide sequence having at least 90%
identity to SEQ
Ill NO: 23. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP
operably linked to an adenovirus E2A promoter comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 23. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A promoter comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 23. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A
promoter comprises the nucleotide sequence of SEQ ID NO: 23. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP and adenovirus E2A promoter further comprises an operably linked polyA signal.
[0056] In some embodiments, the nucleotide sequence encoding an adenovirus E2A
DBP
operably linked to an adenovirus E2A promoter encompasses, from 3' to 5', the adenovirus E2A
promoter, an adenovirus L4 22K/33K gene, an adenovirus L4 100k/hexon assembly gene, the nucleotide sequence encoding an adenovirus E2A DBP, wherein the adenovirus L4 gene comprises a mutation in the start codon of the L4 22K/33K polypeptide. In some embodiments, the relative orientation of the adenovirus E2A promoter, adenovirus L4 22K/33K
gene, adenovirus L4 100k/hexon assembly gene and nucleotide sequence encoding an adenovirus E2A DBP is the same as in pAdDeltaF6. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A promoter comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 24. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A
promoter comprises a nucleotide sequence having at least 90% identity to SEQ
ID NO: 24. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP
operably linked to an adenovirus E2A promoter comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 24. In some embodiments, the nucleotide sequence encoding an adenovirus E2A
DBP operably linked to an adenovirus E2A promoter comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 24. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A promoter comprises the nucleotide sequence of SEQ ID NO: 24. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP and adenovirus E2A promoter further comprises an operably linked polyA signal.
[0057] In some embodiments, the nucleotide sequence encoding an adenovirus E2A
DBP
operably linked to an adenovirus E2A promoter encompasses, from 3' to 5', the adenovirus E2A
promoter, an adenovirus L4 22K/33K gene, an adenovirus L4 100k/hexon assembly gene, the nucleotide sequence encoding an adenovirus E2A DBP, wherein the L4 100k/hexon assembly gene comprises an N terminal deletion of the L4 100k/hexon assembly polypeptide that encompasses the start codon of L4 100k/hexon assembly polypeptide but does not encompass the start codon of the L4 22K/33K polypeptide. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A promoter encompasses, from 3' to 5', the adenovirus E2A promoter, an adenovirus L4 22K/33K gene, an adenovirus L4 100k/hexon assembly gene, the nucleotide sequence encoding an adenovirus E2A
DBP, wherein the L4 100k/hexon assembly gene comprises an N terminal deletion of the L4 100k/hexon assembly polypeptide, wherein all or part of the L4 100k/hexon assembly polypeptide is deleted without disrupting the L4 22K/33K start codon. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A promoter encompasses, from 3' to 5', the adenovirus E2A promoter, an adenovirus L4 22K/33K gene, an adenovirus L4 100k/hexon assembly gene, the nucleotide sequence encoding an adenovirus E2A
DBP, wherein the L4 100k/hexon assembly gene comprises an N terminal deletion of the L4 100k/hexon assembly polypeptide that encompasses the start codon of L4 100k/hexon assembly polypeptide but does not encompass the L4 22K/33K promoter. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A
promoter encompasses, from 3' to 5', the adenovirus E2A promoter, an adenovirus L4 22K/33K gene, an adenovirus L4 100k/hexon assembly gene, the nucleotide sequence encoding an adenovirus E2A
DBP, wherein the L4 100k/hexon assembly gene comprises an N terminal deletion of the L4 100k/hexon assembly polypeptide that starts at the start codon of L4 100k/hexon assembly polypeptide and ends immediately adjacent to the L4 22K/33K promoter. In some embodiments, the relative orientation of the adenovirus E2A promoter, adenovirus L4 22K/33K
gene, adenovirus L4 100k/hexon assembly gene and nucleotide sequence encoding an adenovirus E2A
DBP is the same as in pAdDeltaF6. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP and adenovirus E2A promoter further comprises an operably linked polyA
signal.
[0058] In some embodiments, the nucleotide sequence encoding an adenovirus E2A
DBP is operably linked to a CMV immediate early promoter. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP is operably linked to an engineered CMV immediate early promoter, or a transcriptionally active fragment or portion thereof.
[0059] In some embodiments, the nucleotide sequence encoding an adenovirus E2A
DBP is operably linked to an inducible promoter.
Adenovirus E4 ORF6 and ORF7 polypeptide [0060] In some embodiments, the nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 8. In some embodiments, the nucleotide sequence encoding an adenovirus E4 ORF6 and polypeptide comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 8. In some embodiments, the nucleotide sequence encoding an adenovirus E4 ORF6 and polypeptide comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 8. In some embodiments, the nucleotide sequence encoding an adenovirus E4 ORF6 and polypeptide comprises a nucleotide sequence having at least 98% identity to SEQ Ill NO: 8. In some embodiments, the nucleotide sequence encoding an adenovirus E4 ORF6 and polypeptide comprises SEQ ID NO: 8. In some embodiments, the adenovirus E4 ORF6 and ORF7 polypeptide comprises an amino acid sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 46.
In some embodiments, the adenovirus E4 ORF6 and ORF7 polypeptide comprises an amino acid sequence having at least 90% identity to SEQ ID NO: 46. In some embodiments, the adenovirus E4 ORF6 and ORF7 polypeptide comprises an amino acid sequence having at least 95% identity to SEQ ID NO: 46. In some embodiments, the adenovirus E4 ORF6 and ORF7 polypeptide comprises an amino acid sequence having at least 98% identity to SEQ ID NO:
46. In some embodiments, the adenovirus E4 ORF6 and ORF7 polypeptide comprises the amino acid sequence of SEQ ID NO: 46. In some embodiments, the nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide is operably linked to a promoter and to a polyA
signal.
[0061] In some embodiments, the nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide comprises a nucleotide sequence encoding a polypeptide comprising an amino acid sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ Ill NO: 46. In some embodiments, the adenovirus E4 ORF6 and ORF7 polypeptide comprises an amino acid sequence having at least 90%
identity to SEQ ID NO: 46. In some embodiments, the adenovirus E4 ORF6 and ORF7 polypeptide comprises an amino acid sequence having at least 95% identity to SEQ ID NO:
46. In some embodiments, the adenovirus E4 ORF6 and ORF7 polypeptide comprises an amino acid sequence having at least 98% identity to SEQ ID NO: 46. In some embodiments, the adenovirus E4 ORF6 and ORF7 polypeptide comprises the amino acid sequence of SEQ ID NO: 46. In some embodiments, the nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide is operably linked to a promoter and to a polyA signal.
[0062] In some embodiments, the nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide is operably linked to an adenovirus E4 promoter. In some embodiments, the adenovirus E4 promoter comprises a nucleotide sequence comprising at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 %
identity to SEQ ID
NO: 5. In some embodiments, the adenovirus E4 promoter comprises a nucleotide sequence comprising at least 95% identity to SEQ ID NO: 5. In some embodiments, the adenovirus E4 promoter comprises the nucleotide sequence of SEQ ID NO: 5. In some embodiments, the nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide is operably linked to a promoter that is not an adenovirus E4 promoter.
[0063] In some embodiments, the nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide is operably linked to a CMV immediate early promoter. In some embodiments, the nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide is operably linked to an engineered CMV immediate early promoter, or a transcriptionally active fragment or portion thereof.
[0064] In some embodiments, the nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide is operably linked to an inducible promoter.
Adenovirus VA RNA
[0065] In some embodiments, the nucleotide sequence encoding an adenovirus VA
RNA I
comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 54. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA I comprises a nucleotide sequence having at least 90 % identity to SEQ ID NO: 54. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA I comprises a nucleotide sequence having at least 95 % identity to SEQ ID NO: 54. In some embodiments, the nucleotide sequence encoding an adenovirus VA
RNA I comprises a nucleotide sequence having at least 98 % identity to SEQ ID
NO: 54. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA I comprises SEQ ID
NO: 54.
[0066] In some embodiments, the nucleotide sequence encoding an adenovirus VA
RNA II
comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 55. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA II comprises a nucleotide sequence having at least 90 % identity to SEQ ID NO: 55. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA II comprises a nucleotide sequence having at least 95 %
identity to SEQ ID NO: 55. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA II comprises a nucleotide sequence having at least 98 %
identity to SEQ ID
NO: 55. In some embodiments, the nucleotide sequence encoding an adenovirus VA
RNA II
comprises SEQ Ill NO: 55.
[0067] In some embodiments, the nucleotide sequence encoding an adenovirus VA
RNA I and VA RNA II comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ
ID NO: 9. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA I and VA
RNA II
comprises a nucleotide sequence having at least 90 % identity to SEQ ID NO: 9.
In sonic embodiments, the nucleotide sequence encoding an adenovirus VA RNA I and VA
RNA II
comprises a nucleotide sequence having at least 95 % identity to SEQ ID NO: 9.
In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA I and VA
RNA II
comprises a nucleotide sequence having at least 98 % identity to SEQ ID NO: 9.
In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA I and VA
RNA II
comprises SEQ ID NO: 9.
Polynuclentides encoding E2A DRP, E4 0RF6/7 and VA RNA
[0068] In some embodiments, an isolated recombinant polynucleotide described herein comprises a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA I encodes an adenovirus VA RNA I and VA RNA II. In some embodiments, the promoter expressing the adenovirus E2A DBP and the promoter expressing the adenovirus E4 ORF6 and ORF7 polypeptide are the same. In some embodiments, the promoter expressing the adenovirus E2A DBP and the promoter expressing the adenovirus E4 ORF6 and ORF7 polypeptide are different.
[0069] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 10. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 10. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 10. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 10. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 10.
[0070] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 11. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 11. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 11. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 11. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 11.
[0071] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 56. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 56. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 56. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 56. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 56.
[0072] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 57. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 57. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 57. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 57. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 57.
[0073] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 25. In some embodiments, thc isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 25. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ Ill NO: 25. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 25. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 25.
[0074] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 26. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 26. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 26. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 26. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 26.
[0075] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 27. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 27. In sonic embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 27. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 27. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 27.
[0076] In somc embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA 11 comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 28. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 28. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 28. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 28. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 28.
[0077] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 29. In some embodiments, thc isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 29. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ Ill NO: 29. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 29. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 29.
[0078] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 30. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 30. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 30. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 30. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 30.
[0079] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 31. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 31. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 31. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 31. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 31.
[0080] In somc embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA 1 and VA RNA 11 comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 32. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 32. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 32. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 32. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 32.
[0081] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adcnovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ Ill NO: 33. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 33. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 33. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 33. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 33.
[0082] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 34. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 34. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 34. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 34. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 34.
Boca virus NP1 and NS2 polypeptides [0083] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I, and optionally VA RNA II, further comprises a nucleotide sequence encoding a Boca virus NP1 and NS2 polypeptides. In some embodiments, the nucleotide sequence encoding the Boca virus NP1 and NS2 polypeptides has at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 %
identity to SEQ ID NO:
12. In some embodiments, the nucleotide sequence encoding the Boca virus NP1 and NS2 polypeptides has at least 90% identity to SEQ ID NO: 12. In some embodiments, the nucleotide sequence encoding the Boca virus NP1 and NS2 polypeptides has at least 95%
identity to SEQ ID
NO: 12. In some embodiments, the nucleotide sequence encoding the Boca virus NP1 and NS2 polypeptides has at least 98% identity to SEQ Ill NO: 12. In some embodiments, the nucleotide sequence encoding the Boca virus NP1 and NS2 polypeptides comprises SEQ ID NO:
12. In some embodiments, the Boca virus NP1 and NS2 polypeptides comprise an amino acid sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 52. In some embodiments, the Boca virus NP1 and N52 polypeptides comprise an amino acid sequence having at least 90% identity to SEQ ID NO: 52. In some embodiments, the Boca virus NP1 and NS2 polypeptides comprise an amino acid sequence having at least 95% identity to SEQ ID NO: 52. In some embodiments, the Boca virus NP1 and NS2 polypeptides comprise an amino acid sequence having at least 98% identity to SEQ ID NO:
52. In some embodiments, the Boca virus NP1 and NS2 polypeptides comprise the amino acid sequence of SEQ ID NO: 52. In some embodiments, the nucleotide sequence encoding the Boca virus NP1 and NS2 polypeptides comprises a CMV promoter. In some embodiments, the nucleotide sequence encoding the Boca virus NP1 and N52 polypeptides comprises an engineered CMV inunediate early promoters.
[0084] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide, a nucleotide sequence encoding an adenovirus VA RNA 1 and VA RNA 11 and a Boca virus NP1 and NS2 polypeptides comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 13. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 13. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 13.
In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 13. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ
ID NO: 13.
[0085] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide, a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA 11 and a Boca virus NP1 and NS2 polypeptides comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 14. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 14. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 14.
In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 14. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ
ID NO: 14.
Adeno-associated virus assembly-activating protein [0086] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I, and optionally VA RNA II, further comprises a nucleotide sequence encoding an adeno-associated virus (AAV) assembly-activating protein (AAP). A
skilled artisan understands that the AAV AAP ORF overlaps with the AAV capsid ORF in the wild type virus, and consequently there are AAV serotype specific A APs, e.g., AAP 1 to 13 corresponding to AAV serotypes 1 to 13. Sonntag et al., Journal of Virology, 85: 12686-12697 (2011). In some embodiments the AAP is AAP 1, AAP 2, AAP 3B, AAP 4, AAP 5, AAP 6, AAP 7, AAP
8, AAP
9, AAP 10, AAP 11, AAP 12 or AAV 13. In some embodiments, the AAP isotype matches the capsid isotype of the recombinant AAV being produced. In some embodiments, the AAP is AAP
8. In some embodiments, the AAP is AAP 9. In some embodiments, the AAP
comprises an amino acid sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 53. In some embodiments, the AAP
comprises the amino acid sequence of SEQ ID NO: 53. In some embodiments, the nucleotide sequence encoding the AAV AAP has at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 15. In some embodiments, the nucleotide sequence encoding the AAV AAP has at least 90% identity to SEQ
ID NO: 15. In some embodiments, the nucleotide sequence encoding the AAV AAP has at least 95% identity to SEQ ID NO: 15. In some embodiments, the nucleotide sequence encoding the AAV
AAP has at least 98% identity to SEQ Ill NO: 15. In some embodiments, the nucleotide sequence encoding the AAV AAP comprises SEQ Ill NO: 15. In some embodiments, the AAV AAP
comprises an amino acid sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 53. In some embodiments, the AAV
AAP comprises an amino acid sequence having at least 90% identity to SEQ ID
NO: 53. In some embodiments, the AAV AAP comprises an amino acid sequence having at least 95%
identity to SEQ ID NO: 53. In sonic embodiments, the AAV AAP comprises an amino acid sequence having at least 98% identity to SEQ ID NO: 53. In some embodiments, the AAV AAP
comprises the amino acid sequence of SEQ ID NO: 53. In some embodiments, the nucleotide sequence encoding the AAV AAP comprises a CMV promoter. In some embodiments, the nucleotide sequence encoding the AAV AAP comprises an engineered CMV immediate early promoters.
[0087] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide, a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II and an adeno-associated virus (AAV) assembly-activating protein (AAP) comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ
ID NO: 16. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ Ill NO: 16. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 16. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 16.
In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 16.
[0088] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide, a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II and an adeno-associated virus (AAV) assembly-activating protein (AAP) comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ
ID NO: 17. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ Ill NO: 17. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 17. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 17.
In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 17.
Adenovirus ElA polypeptide [0089] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I, and optionally VA RNA II, further comprises a nucleotide sequence encoding an adenovirus ElA polypeptide. In some embodiments, the nucleotide sequence encoding the adenovirus ElA polypeptide has at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO:
18. In some embodiments, the nucleotide sequence encoding the adenovirus ElA polypeptide has at least 90%
identity to SEQ Ill NO: 18. In some embodiments, the nucleotide sequence encoding the adenovirus ElA polypeptide has at least 95% identity to SEQ ID NO: 18. In some embodiments, the nucleotide sequence encoding the adenovirus El A polypeptide has at least 98% identity to SEQ ID NO: 18. In some embodiments, the nucleotide sequence encoding the adenovirus ElA
polypeptide comprises SEQ ID NO: 18. In some embodiments, the adenovirus ElA
polypeptide comprises an amino acid sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 51.
In some embodiments, the adenovirus ElA polypeptide comprises an amino acid sequence having at least 90% identity to SEQ ID NO: 51. In some embodiments, the adenovirus ElA
polypeptide comprises an amino acid sequence having at least 95% identity to SEQ ID NO:
51. In some embodiments, the adenovirus ElA polypeptide comprises an amino acid sequence having at least 98% identity to SEQ ID NO: 51. In some embodiments, the adenovirus ElA
polypeptide comprises the amino acid sequence of SEQ ID NO: 51. In some embodiments, the nucleotide sequence encoding the adenovirus ElA polypeptide comprises a CMV promoter. In some embodiments, the nucleotide sequence encoding the adenovirus ElA polypeptide comprises an engineered CMV immediate early promoters.
[0090] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide, a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II and an adenovirus El A polypeptide comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 19. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 19. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 19.
In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 19. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ
ID NO: 19.
[0091] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide, a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II and an adenovirus ElA polypeptide comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ Ill NO: 20. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 20. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 20.
In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 20. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ
ID NO: 20.
PLASMIDS
[0092] In some embodiments, the disclosure provides a plasmid comprising a recombinant polynucleotide described herein wherein the plasmid encodes one or more helper functions that are capable of promoting production of recombinant AAV particles in a host cell, e.g., an HEK
cell. In some embodiments, a plasmid described herein comprises a recombinant polynucleotide comprising one or more of (a) a nucleotide sequence encoding an adenovirus E2A
DNA binding protein (DBP); (b) a nucleotide sequence encoding an adenovirus E4 ORF6 and polypeptide; and (c) a nucleotide sequence encoding an adenovirus VA RNA I. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA I encodes an adenovirus VA RNA I and VA RNA II. In some embodiments, the plasmid does not comprise a nucleotide sequence encoding an adenovirus ITR sequence, L3 23K endoprotease, L5 pVI/fibre, and/or L4 pVIII/hexon-associated precursor. In some embodiments, the plasmid is a bacterial plasmid.
[0093] In some embodiments, a plasmid described herein comprises a bacterial replication origin capable of propagating the plasmid in a bacterial host cell, e.g., E. coli host cell. In some embodiments, the bacterial replication origin is a ColE1 origin.
[0094] In some embodiments, a plasmid described herein comprises a selectable marker gene. In some embodiments, the selectable marker gene is a drug resistance gene. In some embodiments, the selectable marker gene is a kanamycin resistance gene. In some embodiments, the selectable marker gene is an ampicillin resistance gene.
[0095] In some embodiments, a plasmid described herein comprises a bacterial replication origin and a selectable marker gene.
[0096] In some embodiments, a plasmid described herein comprises a recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A
DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I. In some embodiments, a plasmid described herein comprises a recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, and a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide. In some embodiments, a plasmid described herein comprises a recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, and a nucleotide sequence encoding an adenovirus VA RNA
I. In some embodiments, a plasmid described herein comprises a recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I. In some embodiments, a plasmid described herein comprises a recombinant polynucleotide described herein comprising a nucleotide sequence cncoding an adenovirus E2A DBP. In some embodiments, a plasmid described herein comprises a recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E4 ORF6 and polypeptide. In some embodiments, a plasmid described herein comprises a recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus VA
RNA T. In some embodiments, the nucleotide sequence encoding an adenovirus VA
RNA I
encodes an adenovirus VA RNA I and VA RNA II. In some embodiments, the plasmid does not comprise a nucleotide sequence encoding an adenovirus ITR sequence, L3 23K
endoprotease, L5 pVI/fibre, and/or L4 pVIII/hexon-associated precursor. In some embodiments, the nucleotide sequence encoding the adenovirus ITR sequence, L3 23K endoprotease, L5 pVI/fibre, and/or L4 pVIII/hexon-associated precursor is the corresponding nucleotide sequence of pAdDe1taF6.
[0097] In some embodiments, a plasmid described herein comprises a recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A
DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA I encodes an adenovirus VA RNA I and VA
RNA II.
[0098] In some embodiments, a plasmid described herein comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 10. In some embodiments, a plasmid described herein comprises the nucleotide sequence of SEQ ID NO: 10.
[0099] In some embodiments, a plasmid described herein comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 11. In some embodiments, a plasmid described herein comprises the nucleotide sequence of SEQ ID NO: 11.
[00100] In some embodiments, a plasmid described herein comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 25-34, 58 or 59. In some embodiments, a plasmid described herein comprises the nucleotide sequence of SEQ ID NO: 25-34, 58 or 59.
[00101] In some embodiments, a plasmid described herein is less than 15,000 bp long. In some embodiments, a plasmid described herein is less than 12,000 bp long. In some embodiments, a plasmid described herein is between 9,000 and 12,000 bp long.
[00102] In some embodiments, a plasmid described herein comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ Ill NO: 35. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 90% identity to SEQ Ill NO:
35. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 95%
identity to SEQ ID NO: 35. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 35. In some embodiments, the plasmid described herein comprises the nucleotide sequence of SEQ ID NO: 35.
[00103] In sonic embodiments, a plasmid described herein comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 36. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 36.
In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 95%
identity to SEQ ID NO: 36. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 36. In some embodiments, the plasmid described herein comprises the nucleotide sequence of SEQ ID NO: 36.
[00104] In some embodiments, a plasmid described herein comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 37. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 37.
In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 95%
identity to SEQ ID NO: 37. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 37. In some embodiments, the plasmid described herein comprises the nucleotide sequence of SEQ ID NO: 37.
[00105] In some embodiments, a plasmid described herein comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 38. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 38.
In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 95%
identity to SEQ ID NO: 38. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 38. In some embodiments, the plasmid described herein comprises the nucleotide sequence of SEQ ID NO: 38.
[00106] In some embodiments, a plasmid described herein comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ Ill NO: 39. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 39.
In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 95%
identity to SEQ ID NO: 39. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 39. In some embodiments, the plasmid described herein comprises the nucleotide sequence of SEQ ID NO: 39.
[00107] In some embodiments, a plasmid described herein comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 40. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 40.
In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 95%
identity to SEQ ID NO: 40. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 40. In some embodiments, the plasmid described herein comprises the nucleotide sequence of SEQ ID NO: 40.
[00108] In some embodiments, a plasmid described herein comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 41. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 90% identity to SEQ Ill NO:
41. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 95%
identity to SEQ ID NO: 41. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 41. In some embodiments, the plasmid described herein comprises the nucleotide sequence of SEQ ID NO: 41.
[00109]In some embodiments, a plasmid described herein comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 42. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 42.
In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 95%
identity to SEQ ID NO: 42. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 42. In some embodiments, the plasmid described herein comprises the nucleotide sequence of SEQ Ill NO: 42.
[00110]In some embodiments, a plasmid described herein comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 43. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 43.
In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 95%
identity to SEQ ID NO: 43. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 43. In some embodiments, the plasmid described herein comprises the nucleotide sequence of SEQ ID NO: 43.
HOST CELLS
[00111]In some embodiments, the disclosure provides a host cell comprising a recombinant polynucleotide or a plasmid described herein. In some embodiments, the host cell is a prokaryotic cell capable of propagating a recombinant polynucleotide or a plasmid described herein. In some embodiments, the prokaryotic host cell is a bacterial cell. In some embodiments, the prokaryotic host cell is E. coll. In some embodiments, the host cell is a eukaryotic cell capable of producing recombinant AAV particles. In some embodiments, the eukaryotic host cell is a mammalian cell.
In some embodiments, the eukaryotic host cell is a 11EK293 cell, HEK derived cell, CHO cell.
CHO derived cell, HeLa cell, SF-9 cell, BHK cell, Vero cell, CAP cell, or PerC6 cell.
[00112]In some embodiments, a host cell described herein comprises a recombinant polynucleotide comprising one or more of (a) a nucleotide sequence encoding an adenovirus E2A
DNA binding protein (DBP); (b) a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide; and (c) a nucleotide sequence encoding an adenovirus VA RNA
T. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA I encodes an adenovirus VA RNA I and VA RNA II. In some embodiments, the recombinant polynucleotide does not comprise a nucleotide sequence encoding an adenovirus ITR sequence, L3 23K
endoprotease, L5 pVI/fibre, and/or L4 pVIII/hexon-associated precursor. In some embodiments, the plasmid is a bacterial plasmid.
[00113] In some embodiments, a host cell described herein comprises a plasmid described herein comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 11. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 90%
identity to SEQ Ill NO: 11. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 95% identity to SEQ Ill NO: 11. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 98%
identity to SEQ ID
NO: 11. In some embodiments, the plasmid described herein comprises the nucleotide sequence of SEQ ID NO: 11.
[00114] In some embodiments, a host cell described herein comprises a plasmid described herein comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 37. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 90%
identity to SEQ ID NO: 37. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 37. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 98%
identity to SEQ ID
NO: 37. In some embodiments, the plasmid described herein comprises the nucleotide sequence of SEQ ID NO: 37.
[00115] In some embodiments, a host cell described herein comprises a plasmid described herein comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 10, 11, 25-34, 58 or 59. In some embodiments, the plasmid described herein comprises the nucleotide sequence of SEQ ID
NO: 10, 11. 25-34, 58 or 59.
[00116] In some embodiments, a host cell described herein comprises a plasmid described herein comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 35-43.
In some embodiments, the plasmid described herein comprises the nucleotide sequence of SEQ ID NO:
35-43.
[00117]In some embodiments, the disclosure provides a method of producing a recombinant polynucleotide described herein or a plasmid described herein comprising incubating a host cell described herein under suitable conditions to produce the recombinant polynucleotide or a plasmid. In some embodiments, the host cell is a prokaryotic cell capable of propagating a plasmid described herein. In some embodiments, the prokaryotic host cell is a bacterial cell. In some embodiments, the prokaryotic host cell is E. coli. In some embodiments, thc recombinant polynucleotide comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ Ill NO: 10, 11, 25-34, 58 or 59. In some embodiments, the recombinant polynucleotide comprises the nucleotide sequence of SEQ ID NO: 10, 11, 25-34, 58 or 59. In some embodiments, the plasmid comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 35-43. In some embodiments, the plasmid comprises the nucleotide sequence of SEQ ID NO: 35-43.
METHODS OF PRODUCING A RECOMBINANT VIRAL PARTICLE
[00118] In one aspect, the disclosure provides a method of producing recombinant adeno-associated virus (rAAV) particles in a eukaryotic host cell by using a recombinant polynucleotide or plasmid described herein to provide one or more helper functions that are capable of promoting production of recombinant AAV particles. In some embodiments, the method further comprises recovering the rAAV particles.
[00119]In some embodiments, a method of producing rAAV particles described herein comprises the use of a recombinant polynucleotide or plasmid comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 11. In some embodiments, the recombinant polynucleotide or plasmid comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 11.
In some embodiments, the recombinant polynucleotide or plasmid comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 11. In some embodiments, the recombinant polynucleotide or plasmid comprises a nucleotide sequence having at least 98%
identity to SEQ
ID NO: 11. In some embodiments, the recombinant polynucleotide or plasmid comprises the nucleotide sequence of SEQ ID NO: 11.
[00120]In some embodiments, a method of producing rAAV particles described herein comprises the use of a recombinant polynucleotide or plasmid comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 37. In some embodiments, the recombinant polynucleotide or plasmid comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 37.
In some embodiments, the recombinant polynucleotide or plasmid comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 37. In some embodiments, the recombinant polynucleotide or plasmid comprises a nucleotide sequence having at least 98%
identity to SEQ
ID NO: 37. In some embodiments, the recombinant polynucleotide or plasmid comprises the nucleotide sequence of SEQ ID NO: 37.
[00121] In some embodiments, a method of producing rAAV particles described herein comprises the use of a recombinant polynucleotide or plasmid comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 10, 11, 25-34, 58 or 59. In some embodiments, the recombinant polynucleotide or plasmid comprises the nucleotide sequence of SEQ ID NO: 10, 11, 25-34, 58 or 59.
[00122] In some embodiments, a method of producing rAAV particles described herein comprises the use of a recombinant polynucleotide or plasmid comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 35-43. In some embodiments, the recombinant polynucleotide or plasmid comprises the nucleotide sequence of SEQ ID NO: 35-43.
[00123] In some embodiments, the disclosure provides a method of producing recombinant adeno-associated virus (rAAV) particles comprising culturing a cell capable of producing the rAAV particles, wherein the cell comprises (i) a polynucleotide encoding an AAV capsid protein;
(ii) a polynucleotide encoding a functional rep gene; (iii) a polynucleotide comprising a genome comprising at least one AAV inverted terminal repeat (ITR) and a non-AAV
nucleic acid sequence encoding a gene product operably linked to sequences which direct expression of the gene product in a target cell; and (iv) one or more polynucleotides comprising sufficient helper functions to permit packaging of the genome into the AAV capsid protein under conditions which permit packaging of the genome into the AAV capsid, wherein the one or more polynucleotides comprising sufficient helper functions independently comprise a recombinant polynucleotide described herein or a plasmid described herein. In some embodiments, the one or more polynucleotides comprising sufficient helper functions comprise a nucleotide sequence encoding the adenovirus E2A DBP, the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide and the nucleotide sequence encoding the adenovirus VA RNA I. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA I encodes an adenovirus VA RNA I and VA RNA II. In some embodiments, the one or more polynucleotides comprising sufficient helper functions comprise the nucleotide sequence of SEQ ID NO: 10.
In some embodiments, the one or more polynucleotides comprising sufficient helper functions comprise the nucleotide sequence of SEQ ID NO: 37. In some embodiments, the one or more polynucleotides comprising sufficient helper functions comprise a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 35-43. In some embodiments, the one or more polynucleotides comprising sufficient helper functions comprise a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 10, 11, 25-34, 58 or 59. In some embodiments, the method further comprises recovering the rAAV particles. In some embodiments, the cell comprises one polynucleotide encoding the cap and rep genes, one polynucleotide disclosed herein that encodes adenovirus helper functions necessary for packaging (e.g., adenovirus El a gene, Elb gene, E4 gene, E2a gene, and VA gene), and one polynucleotide encoding the rAAV genome to be packaged. In some embodiments, the rAAV particles are A AV8 or A AV9 particles. In some embodiments, the rAAV particles have an AAV capsid protein of a serotype selected from the group consisting of AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.PHB, and AAV.7m8. In some embodiments, the rAAV particles have an AAV
capsid protein with high sequence homology to AAV8 or AAV9 such as, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, and AAV.hu37. In some embodiments, the cell culture is a suspension culture. In some embodiments, the cell culture comprises HEK293 cells adapted for growth in suspension culture. In some embodiments, the cell culture has a volume of between about 400 liters and about 5,000 liters.
[00124] In some embodiments, the disclosure provides a method of producing recombinant adeno-associated virus (rAAV) particles comprising (a) providing a cell culture comprising a cell;
(b) introducing into the cell one or more polynucleotides comprising (i) a polynucleotide encoding an AAV capsid protein; (ii) a polynucleotide encoding a functional rep gene; (iii) a polynucleotide comprising a genome comprising at least one AAV inverted terminal repeat (ITR) and a non-AAV nucleic acid sequence encoding a gene product operably linked to sequences which direct expression of the gene product in a target cell; and (iv) one or more polynucleotides comprising sufficient helper functions to permit packaging of the genome into the AAV capsid protein under conditions which permit packaging of the genome into the AAV
capsid, wherein the one or more polynucleotides comprising sufficient helper functions independently comprise a recombinant polynucleotide described herein or a plasmid described herein, and (c) maintaining the cell culture under conditions that allow production of the rAAV particles.
In some embodiments, the one or more polynucleotides comprising sufficient helper functions comprise a nucleotide sequence encoding the adenovirus E2A DBP, the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide and the nucleotide sequence encoding the adenovirus VA RNA I/II gene. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA I encodes an adenovirus VA RNA I and VA RNA II. In some embodiments, the one or more polynucleotides comprising sufficient helper functions comprise the nucleotide sequence of SEQ ID NO: 10. In some embodiments, the one or more polynucleotides comprising sufficient helper functions comprise the nucleotide sequence of SEQ ID NO: 37.
In some embodiments, the one or more polynucleotides comprising sufficient helper functions comprise a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 35-43. In some embodiments, the one or more polynucleotides comprising sufficient helper functions comprise a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%. at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 10, 11, 25-34, 58 or 59. In some embodiments, the method further comprises recovering the rAAV particles. In some embodiments, the one or more polynucleotides introduced into the cell comprise a mixture of three polynucleotides: one encoding the cap and rep genes, one polynucleotide disclosed herein that encodes adenovirus helper functions necessary for packaging (e.g., adenovirus El a gene, Elb gene, E4 gene, E2a gene, and VA gene), and one encoding the rAAV genome to be packaged. In some embodiments, the rAAV particles are AAV8 or AAV9 particles. In some embodiments, the rAAV
particles have an AAV capsid protein of a serotype selected from the group consisting of AAV.rh8. AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.PHB, and AAV.7m8. In some embodiments, the rAAV particles have an AAV capsid protein with high sequence homology to AAV8 or AAV9 such as, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, and AAV.hu37. In some embodiments, the cell culture is a suspension culture. In some embodiments, the cell culture comprises HEK293 cells adapted for growth in suspension culture. In some embodiments, the cell culture has a volume of between about 400 liters and about 5,000 liters.
[00125] In some embodiments, a method disclosed herein comprises introducing into the cell a polynucleotide encoding an AAV capsid protein and a functional rep gene.
[00126] In some embodiments, the introducing of the one or more polynucleotides into the cell is by transfection.
[00127] In some embodiments, the cell is a mammalian cell. In some embodiments, the cell is an insect cell. In some embodiments, the cell is a HEK293 cell, HEK derived cell, CHO cell, CHO
derived cell, HeLa cell, SF-9 cell, BHK cell, Vero cell CAP cell or PerC6 cell. In some embodiments, the cell is a HEK293 cell.
[00128] In some embodiments, the cell culture is a suspension culture or an adherent culture. In some embodiments, the cell culture is a suspension culture.
[00129] In some embodiments, the cell culture has a volume between about 50 liters and about 20,000 liters.
[00130] In some embodiments, a method described herein produces more rAAV
particles measured as GC/ml than a reference method. In some embodiments, the reference method uses a polynucleotide comprising helper functions that comprises the nucleotide sequence of SEQ ID
NO: 35. In some embodiments, the reference method uses a polynucleotide comprising helper functions that comprises the nucleotide sequence of SEQ ID NO: 44. In some embodiments, the method described herein produces at least about 10% more rAAV particles measured as GC/nil than the reference method. In some embodiments, the method described herein produces at least about 10% more rAAV particles measured as GC/ml than the reference method. In some embodiments, the method described herein produces at least about 20% more rAAV
particles measured as GC/nil than the reference method. In some embodiments, the method described herein produces at least about 30% more rAAV particles measured as GC/ml than the reference method. In some embodiments, the method described herein produces at least about 40% more rAAV particles measured as GC/ml than the reference method. In some embodiments, the method described herein produces at least about 50% more rAAV particles measured as GC/ml than the reference method. In some embodiments, the method described herein produces at least about 70% more rAAV particles measured as GC/m1 than the reference method. In some embodiments, the method described herein produces at least about 90% more rAAV particles measured as GC/ml than the reference method. In some embodiments, the method described herein produces at least about twice as many rAAV particles measured as GC/ml than the reference method. In some embodiments, the method produces at least about three times as many rAAV
particles measured as GC/nil than the reference method. In some embodiments, the method produces at least about four times as many rAAV particles measured as GC/ml than the reference method.
[00131] In some embodiments, the method produces a population of rAAV
particles comprising more full capsids than a reference method. In some embodiments, the reference method uses a polynucleotide comprising helper functions that comprises the nucleotide sequence of SEQ ID
NO: 35. In some embodiments, the reference method uses a polynucleotide comprising helper functions that comprises the nucleotide sequence of SEQ ID NO: 44.
[00132] In some embodiments, the rAAV particles comprise a capsid protein of the AAV1, AAV2, AAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15, AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, or AAV.HSC16 serotype. In some embodiments, the rAAV particles comprise a capsid protein of the AAV8, AAV9, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, or AAV.hu37 serotype. In some embodiments, the rAAV particles comprise a capsid protein of the AAV8 scrotype. In some embodiments, the rAAV particles comprise a capsid protein of the AAV9 serotype.
1001331In some embodiments, the rAAV particle comprises a transgene encoding a gene product.
In some embodiments, the gene product is a polypeptide or a double stranded RNA molecule. In some embodiments, the gene product is a polypeptide. In some embodiments, the transgene encodes an antibody or antigen-binding fragment thereof, fusion protein, Fc-fusion polypeptide, immunoadhesin, immunoglobulin, engineered protein, protein fragment or enzyme.
In some embodiments, the transgene comprises a regulatory element operatively connected to a polynucleotide encoding the gene product.
[00134] In some embodiments, the gene product is anti-VEGF Fab, anti-kallikrein antibody, anti-TNF antibody, microdystrophin, minidystrophin, iduronidase (IDUA), iduronate 2-sulfatase (IDS), low-density lipoprotein receptor (LDLR), tripeptidyl peptidase 1 (TPP1), or non-membrane associated splice variant of VEGF receptor 1 (sFlt-1). In some embodiments, the gene product is an gamma-sarcoglycan, Rab Escort Protein 1 (REP1/CHM), retinoid isomerohydrolase (RPE65), cyclic nucleotide gated channel alpha 3 (CNGA3), cyclic nucleotide gated channel beta 3 (CNGB3), aromatic L-amino acid decarboxylase (AADC), lysosome-associated membrane protein 2 isoform B (LAMP2B), Factor VIII, Factor IX, retinitis pigmentosa GTPase regulator (RPGR), retinoschisin (RS1), sarcoplasmic reticulum calcium ATPase (SERCA2a), aflibercept, battenin (CLN3), transmembrane ER protein (CLN6), glutamic acid decarboxylase (GAD), Glial cell line-derived neurotrophic factor (GDNF), aquaporin 1 (AQP1), dystrophin, myotubularin 1 (MTM1), follistatin (FST), glucose-6-phosphatase (G6Pase), apolipoprotein A2 (AP0A2), uridine diphosphate glucuronosyl transferase 1A1 (UGT1A1), arylsulfatase B
(ARSB), N-acetyl-alpha-glucosaminidase (NAGLU), alpha-glucosidase (GAA), alpha-galactosidase (GLA), beta-galactosidase (GLB1), lipoprotein lipase (LPL), alpha 1-antitrypsin (AAT), phosphodiesterase 6B
(PDE6B), ornithine carbamoyltransferase 90TC), survival motor neuron (SMN1), survival motor neuron (SMN2), neurturin (NRTN), Neurotrophin-3 (NT-3/NTF3), porphobilinogen deaminase (PBGD), nerve growth factor (NGF), mitochondri ally encoded NADH:ubiquinone oxidoreductase core subunit 4 (MT-ND4), protective protein cathepsin A (PPCA), dysferlin, MER proto-oncogene, tyrosine Idnase (MERTK), cystic fibrosis transmembrane conductance regulator (CFTR), or tumor necrosis factor receptor (TNFR)-immunoglobulin (IgG1) Fc fusion.
In some embodiments, the gene product is a dystrophin or a microdystrophin. In some embodiments, the gene product is a microRNA.
[00135] In some embodiments, a method described herein increases production of rAAV particles while maintaining or improving the quality attributes of the rAAV particles and compositions comprising thereof. In some embodiments, the quality of rAAV particles and compositions comprising thereof is assessed by determining the concentration of rAAV
particles (e.g., GC/ml), the percentage of particles comprising a copy of the rAAV genome; the ratio of particles without a genome, infectivity of the rAAV particles, stability of rAAV particles, concentration of residual host cell proteins, or concentration of residual host cell nucleic acids (e.g., host cell genomic DNA, plasmid encoding rep and cap genes, plasmid encoding helper functions, plasmid encoding rAAV genome). In some embodiments, the quality of rAAV particles produced by a method described herein or compositions comprising thereof is the same as that of rAAV particles or compositions produced by a reference method using a helper plasmid comprising the nucleotide sequence of SEQ ID NO: 35 or 44. In some embodiments, the quality of rAAV
particles produced by a method described herein or compositions comprising thereof is better than the quality of rAAV particles or compositions produced by a reference method using a helper plasmid comprising the nucleotide sequence of SEQ ID NO: 35 or 44.
[00136] Numerous cell culture based systems are known in the art for production of rAAV
particles, any of which can be used to practice a method described herein.
rAAV production cultures for the production of rAAV virus particles require; (1) suitable host cells, including, for example, human-derived cell lines such as HeLa, A549, or HEK293 cells and their derivatives (HEK293T cells, HEK293F cells), or mammalian cell lines such as Vero, amniocyte-derived cells such as CAP cells, CHO cells or CHO-derived cells; (2) suitable helper virus function, provided by wild type or mutant adenovirus (such as temperature sensitive adenovirus), herpes virus, baculovirus, or a plasmid construct providing helper functions; (3) AAV rep and cap genes and gene products; (4) a transgene (such as a therapeutic transgene) flanked by AAV ITR sequences;
and (5) suitable media and media components to support rAAV production.
[00137] A skilled artisan is aware of the numerous methods by which AAV rep and cap genes, AAV helper genes (e.g., adenovirus El a gene, Elb gene, E4 gene, E2a gene, and VA gene), and rAAV genomes (comprising one or more genes of interest flanked by inverted terminal repeats (ITRs)) can be introduced into cells to produce or package rAAV. The phrase "adenovirus helper functions" refers to a number of viral helper genes expressed in a cell (as RNA or protein) such that the AAV grows efficiently in the cell. The skilled artisan understands that helper viruses, including adenovirus and herpes simplex virus (HSV), promote AAV replication and certain genes have been identified that provide the essential functions, e.g. the helper may induce changes to the cellular environment that facilitate such AAV gene expression and replication. In some embodiments of a method described herein, AAV rep and cap genes, helper genes, and rAAV genomes are introduced into cells by transfection of one or more plasmid vectors encoding the AAV rep and cap genes, helper genes, and rAAV genome.
[00138]Molecular biology techniques to develop plasmid or viral vectors encoding the AAV rep and cap genes, helper genes, and/or rAAV genome are commonly known in the art.
In some embodiments, AAV rep and cap genes are encoded by one plasmid vector. In some embodiments, AAV helper genes (e.g., adenovirus Ela gene, Elb gene, E4 gene, E2a gene, and VA gene) are encoded by one plasmid vector. In some embodiments, the Ela gene or Elb gene is stably expressed by the host cell, and the remaining AAV helper genes are introduced into the cell by transfection by one viral vector. In some embodiments, the Ela gene and Elb gene are stably expressed by the host cell, and the E4 gene, E2a gene, and VA gene arc introduced into the cell by transfection by one plasmid vector. In some embodiments, one or more helper genes are stably expressed by the host cell, and one or more helper genes are introduced into the cell by transfection by one plasmid vector. In some embodiments, the helper genes are stably expressed by the host cell. In some embodiments, AAV rep and cap genes are encoded by one viral vector.
In some embodiments, AAV helper genes (e.g., adenovirus Ela gene, El b gene, E4 gene, E2a gene, and VA gene) are encoded by one viral vector. In some embodiments, the Ela gene or Elb gene is stably expressed by the host cell, and the remaining AAV helper genes are introduced into the cell by transfection by one viral vector. In some embodiments. the Ela gene and Elb gene are stably expressed by the host cell, and the E4 gene, E2a gene, and VA gene are introduced into the cell by transfection by one viral vector. In some embodiments, one or more helper genes are stably expressed by the host cell, and one or more helper genes are introduced into the cell by transfection by one viral vector. In some embodiments, the AAV rep and cap genes, the adenovirus helper functions necessary for packaging, and the rAAV genome to be packaged are introduced to the cells by transfection with one or more polynucleotides, e.g., vectors. In some embodiments, a method described herein comprises transfecting the cells with a mixture of three polynucleotides: one encoding the cap and rep genes, one encoding adenovirus helper functions necessary for packaging (e.g., adenovirus Ela gene, Elb gene, E4 gene, E2a gene, and VA gene), and one encoding the rAAV genome to be packaged. In some embodiments, the AAV
cap gene is an AAV8 or AAV9 cap gene. In some embodiments, the AAV cap gene is an AAV.rh8, AAV sh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.PHB, or AAV.7m8 cap gene. In some embodiments, the AAV cap gene encodes a capsid protein with high sequence homology to AAV8 or AAV9 such as, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, and AAV.hu37. In some embodiments, the vector encoding the rAAV genome to be packaged comprises a gene of interest flanked by AAV ITRs.
In some embodiments, the AAV ITRs are from AAV1, AAV2, rAAV3, AAV4, AAV5, AAV6. AAV7, AAV8, AAV9, AAVIO, AAV11, AAV12, AAV13, AAV14, AAV15, AAV16. AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65. AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, or AAV.HSC16 or other AAV
serotype.
[00139] Any combination of vectors can be used to introduce AAV rep and cap genes, AAV
helper genes, and rAAV genome to a cell in which rAAV particles are to be produced or packaged. In some embodiments of a method described herein, a first plasmid vector encoding an rAAV genome comprising a gene of interest flanked by AAV inverted terminal repeats (ITRs), a second vector encoding AAV rep and cap genes, and a third vector encoding helper genes can be used. In some embodiments, a mixture of the three vectors is co-transfected into a cell.
[00140] In some embodiments, a combination of transfection and infection is used by using both plasmid vectors as well as viral vectors.
[00141] In some embodiments, one or more of rep and cap genes, and AAV helper genes are constitutively expressed by the cells and does not need to be transfected or transduced into the cells. In some embodiments, the cell constitutively expresses rep and/or cap genes. In some embodiments, the cell constitutively expresses one or more AAV helper genes.
In some embodiments, the cell constitutively expresses El a. In some embodiments, the cell comprises a stable transgene encoding the rAAV genome.
[00142] In some embodiments, AAV rep, cap, and helper genes (e.g., Ela gene, Elb gene, E4 gene, E2a gene, or VA gene) can be of any AAV scrotypc. Similarly, AAV ITRs can also be of any AAV serotype. For example, in some embodiments, AAV ITRs are from AAV1, AAV2, rAAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15, AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, or AAV.HSC16 or other AAV serotypes (e.g., a hybrid serotype harboring sequences from more than one serotype). In some embodiments, AAV cap gene is from AAV9 or AAV8 cap gene. In some embodiments, an AAV cap gene is from AAV1, AAV2, rAAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15, AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, or AAV.HSC16 or other AAV serotypes (e.g., a hybrid serotype harboring sequences from more than one serotype). In some embodiments, AAV rep and cap genes for the production of a rAAV
particle is from different serotypes. For example, the rep gene is from AAV2 whereas the cap gene is from AAV9.
[00143] Any suitable media known in the art can be used for the production of recombinant virus particles (e.g., rAAV particles) according to a method described herein. These media include, without limitation, media produced by Hyclone Laboratories and JRH including Modified Eagle Medium (MEM), Dulbecco's Modified Eagle Medium (DMEM), and Sf-900 II SFM media as described in U.S. Pat. No. 6,723,551, which is incorporated herein by reference in its entirety. In some embodiments, the medium comprises DynamiSTM Medium, FreeStyleTM 293 Expression Medium, or Expi293Tm Expression Medium from Invitrogen/ ThermoFisher. In some embodiments, the medium comprises DynamisTM Medium. In some embodiments, a method described herein uses a cell culture comprising a serum-free medium, an animal-component free medium, or a chemically defined medium. In some embodiments, the medium is an animal-component free medium. In some embodiments, the medium comprises scrum. In some embodiments, the medium comprises fetal bovine serum. In some embodiments, the medium is a glutamine-free medium. In some embodiments, the medium comprises glutamine. In some embodiments, the medium is supplemented with one or more of nutrients, salts, buffering agents, and additives (e.g., antifoam agent). In some embodiments, the medium is supplemented with glutamine. In some embodiments, the medium is supplemented with serum. In some embodiments, the medium is supplemented with fetal bovine serum. In some embodiments, the medium is supplemented with poloxamer, e.g., Kolliphor P 188 Bio. In some embodiments, a medium is a base medium. In some embodiments, the medium is a feed medium.
[00144] Recombinant virus (e.g., rAAV) production cultures can routinely be grown under a variety of conditions (over a wide temperature range, for varying lengths of time, and the like) suitable to the particular host cell being utilized. As is known in the art, virus production cultures include suspension-adapted host cells such as HeLa cells, HEK293 cells, HEK293 derived cells (e.g., HEK293T cells, HEK293F cells), Vero cells, CAP cells, CHO cells, CHO-Kl cells, CHO
derived cells, EB66 cells, BSC cells, HcpG2 cells, LLC-MK cells, CV-1 cells, COS cells, MDBK
cells, MDCK cells, CRFK cells, RAF cells, RK cells, TCMK-1 cells, LLCPK cells, PK15 cells, LLC-RK cells, MDOK cells, BHK cells, BHK-21 cells, NS-1 cells, MRC-5 cells, W1-38 cells, BHK cells, 3T3 cells, 293 cells, RK cells, Per.C6 cells, chicken embryo cells and SF-9 cells which can be cultured in a variety of ways including, for example, spinner flasks, stirred tank bioreactors, and disposable systems such as the Wave bag system. Numerous suspension cultures are known in the art for production of rAAV particles, including for example, the cultures disclosed in U.S. Patent Nos. 6,995,006, 9,783,826, and in U.S. Pat. Appl.
Pub. Nos.
20070111312 and 20120122155, each of which is incorporated herein by reference in its entirety.
[00145] Any cell or cell line that is known in the art to produce a recombinant virus particles (e.g., rAAV particles) can be used in any one of the methods described herein. In some embodiments, a method of producing recombinant virus particles (e.g., rAAV particles) or increasing the production of recombinant virus particles (e.g., a rAAV particles) described herein uses HeLa cells, HEK293 cells, HEK293 derived cells (e.g., HEK293T cells, HEK293F
cells), Vero cells, CAP cells, CHO cells, CHO-K1 cells. CHO derived cells, EB66 cells. LLC-MK
cells, MDCK
cells, RAF cells, RK cells, TCMK-1 cells, PK15 cells, BHK cells, BHK-21 cells, NS-1 cells, BHK cells, 293 cells, RK cells, Per.C6 cells, chicken embryo cells or SF-9 cells. In some embodiments, a method described herein uses mammalian cells. In some embodiments, a method described herein uses insect cells, e.g., SF-9 cells. In some embodiments, a method described herein uses cells adapted for growth in suspension culture. In some embodiments, a method described herein uses HEK293 cells adapted for growth in suspension culture.
[00146] In some embodiments, a cell culture described herein is a suspension culture. In some embodiments, a large scale suspension cell culture described herein comprises HEK293 cells adapted for growth in suspension culture. In some embodiments, a cell culture described herein comprises a serum-free medium, an animal-component free medium, or a chemically defined medium. In sonic embodiments, a cell culture described herein comprises a serum-free medium.
In some embodiments, suspension-adapted cells are cultured in a shaker flask, a spinner flask, a cell bag, or a bioreactor.
[00147] In some embodiments, a cell culture described herein comprises a serum-free medium, an animal-component free medium, or a chemically defined medium. In some embodiments, a cell culture described herein comprises a serum-free medium.
[00148] In somc embodiments, a large scale suspension culture cell culture described herein comprises a high density cell culture. In some embodiments, the culture has a total cell density of between about 1x10E+06 cells/int and about 30x10E+06 cells/ml. In some embodiments, more than about 50% of the cells are viable cells. In some embodiments, the cells are HeLa cells, HEK293 cells, HEK293 derived cells (e.g., HEK293T cells, HEK293F cells), Vero cells, CAP
cells, or SF-9 cells. In further embodiments, the cells are HEK293 cells.
[00149] Methods described herein can be used in the production of rAAV
particles comprising a capsid protein from any AAV capsid serotype. In some embodiments, the rAAV
particles comprise a capsid protein from an AAV capsid serotype selected from AAV1, AAV2, rAAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15, AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1 A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, and AAV.HSC16. In some embodiments, the rAAV particles comprise a capsid protein that is a derivative, modification, or pseudotype of AAV1, AAV2, rAAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15, AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, or AAV.HSC16 capsid protein.
[00150] In some embodiments, the rAAV particles comprise a capsid protein from an AAV
capsid serotype selected from AAV8 and AAV9. In some embodiments, the rAAV
particles have an AAV capsid serotype of AAV8. In some embodiments, the rAAV particles have an AAV
capsid serotype of AAV9.
[00151] In some embodiments, the rAAV particles comprise a capsid protein from an AAV
capsid serotype selected from the group consisting of AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.PHB, and AAV.7m8. In some embodiments, the rAAV particles comprise a capsid protein with high sequence homology to AAV8 or AAV9 such as, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, and AAV.hu37.
[00152] In some embodiments, the rAAV particles comprise a capsid protein that is a derivative, modification, or pseudotype of AAV8 or AAV9 capsid protein. In some embodiments, the rAAV
particles comprise a capsid protein that has an AAV8 capsid protein at least 80% or more identical, e.g., 85%, 85%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, 99.5%, etc., i.e. up to 100% identical, to the VP1, VP2 and/or VP3 sequence of AAV8 capsid protein.
[00153] In some embodiments, the rAAV particles comprise a capsid protein that is a derivative, modification, or pseudotype of AAV9 capsid protein. In some embodiments, rAAV
particles comprise a capsid protein that has an AAV9 capsid protein at least 80% or more identical, e.g., 85%, 85%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, 99.5%, etc., i.e. up to 100% identical, to the VP1, VP2 and/or VP3 sequence of AAV9 capsid protein.
[00154] In some embodiments, the rAAV particles comprise a capsid protein that has at least 80%
or more identity, e.g., 85%, 85%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, 99.5%, etc., i.e. up to 100% identity, to the VP1, VP2 and/or VP3 sequence of AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.PHB, or AAV.7m8 capsid protein. In some embodiments, the rAAV particles comprise a capsid protein that has at least 80% or more identity, e.g., 85%, 85%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, 99.5%, etc., i.e. up to 100%
identity, to the VP1, VP2 and/or VP3 sequence of an AAV capsid protein with high sequence homology to AAV8 or AAV9 such as, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, and AAV.hu37.
[00155] In additional embodiments, the rAAV particles comprise a mosaic capsid. In additional embodiments, the rAAV particles comprise a pseudotyped rAAV particle. In additional embodiments, the rAAV particles comprise a capsid containing a capsid protein chimera of two or more AAV capsid serotypes.
rAAV PARTICLES
[00156]The provided methods are suitable for use in the production of any isolated recombinant AAV particles. As such, the rAAV can be of any serotype, modification, or derivative, known in the art, or any combination thereof (e.g., a population of rAAV particles that comprises two or more serotypes, e.g., comprising two or more of rAAV2, rAAV8, and rAAV9 particles) known in the art. In some embodiments, the rAAV particles are AAV1, AAV2, rAAV3, AAV4, AAV5, AAV6, AAV7,AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15, AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, or AAV.HSC16 or other rAAV particles, or combinations of two or more thereof.
[00157]In some embodiments, rAAV particles have a capsid protein from an AAV
serotype selected from AAV1, AAV1, AAV2, rAAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15, AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, or AAV.HSC16 or a derivative, modification, or pseudotype thereof. In some embodiments, rAAV particles comprise a capsid protein at least 80%
or more identical, e.g., 85%, 85%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, 99.5%, etc., i.e. up to 100% identical, to e.g., VP1, VP2 and/or VP3 sequence of an AAV capsid scrotype selected from AAV1, AAV1, AAV2, AAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15, AAV16, AAV.rh8, AAV.rhl 0, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, rAAV.Anc80L65, AAV.7m8, AAV.PHRB, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSCIO , AAV.HSCII, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, or AAV.HSC16.
[00158] In some embodiments, rAAV particles comprise a capsid protein from an AAV capsid serotype selected from AAV1, AAV1, AAV2, rAAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15, AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, or AAV.HSC16, or a derivative, modification, or pseudotype thereof. In some embodiments, rAAV particles comprise a capsid protein at least 80% or more identical, e.g., 85%, 85%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, 99.5%, etc., i.e. up to 100% identical, to e.g., VP1, VP2 and/or VP3 sequence of an AAV capsid serotype selected from AAV1, AAV1, AAV2, AAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15, AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65. AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, or AAV.HSC16.
[00159] In some embodiments, rAAV particles comprise the capsid of Anc80 or Anc80L65, as described in Zinn et al., 2015, Cell Rep. 12(6): 1056-1068, which is incorporated by reference in its entirety. In certain embodiments, the rAAV particles comprise the capsid with one of the following amino acid insertions: LGETTRP or LALGETTRP, as described in United States Patent Nos. 9,193,956; 9458517; and 9,587,282 and US patent application publication no.
2016/0376323, each of which is incorporated herein by reference in its entirety. In some embodiments, rAAV particles comprise the capsid of AAV.7m8, as described in United States Patent Nos. 9,193,956; 9,458,517; and 9,587,282 and US patent application publication no.
2016/0376323, each of which is incorporated herein by reference in its entirety. In some embodiments, rAAV particles comprise any AAV capsid disclosed in United States Patent No.
9,585,971, such as AAVPHP.B. In some embodiments, rAAV particles comprise any AAV
capsid disclosed in United States Patent No. 9,840,719 and WO 2015/013313, such as AAV.Rh74 and RHM4-1, each of which is incorporated herein by reference in its entirety. In some embodiments, rAAV particles comprise any AAV capsid disclosed in WO
2014/172669, such as AAV rh.74, which is incorporated herein by reference in its entirety.
In some embodiments, rAAV particles comprise the capsid of AAV2/5, as described in Georgiadis et al., 2016, Gene Therapy 23: 857-862 and Gcorgiadis et al., 2018, Gene Therapy 25:
450, each of which is incorporated by reference in its entirety. In some embodiments, rAAV
particles comprise any AAV capsid disclosed in WO 2017/070491, such as AAV2tY1-', which is incorporated herein by reference in its entirety. In some embodiments, rAAV
particles comprise the capsids of AAVLKO3 or AAV3B, as described in Puzzo et al., 2017, Sci.
Transl. Med. 29(9):
418, which is incorporated by reference in its entirety. In some embodiments, r AAV particles comprise any AAV capsid disclosed in US Pat Nos. 8,628,966; US 8,927,514; US
9,923,120 and WO 2016/049230, such as HSC1, HSC2, HSC3, HSC4, HSC5, HSC6, HSC7, HSC8, HSC9, HSC10 , HSC11, HSC12, HSC13, HSC14, HSC15, or HSC16, each of which is incorporated by reference in its entirety. In other embodiments, rAAV particles comprise capsids having enhanced tropism to muscle tissue, such capsids being engineered by inserting a RGD-containing peptide into the parental capsid of interest. Such exemplary capsids are AAVMYO (AAV9-RGDLGLS, MyoAAV.1A (AAV9-RGDLTTP), and MyoAAV1C (AAV9-RGDLSTP) (peptide inserted after residue Q588 of AAV9). In some embodiments, rAAV particles comprise any AAV
capsid disclosed in PCT International Publication Nos. W02019/207132, W02020/206189, W02021/072197, W02021/050974, W02021/077000, and WO 2022/020616.
[00160] In some embodiments, rAAV particles comprise an AAV capsid disclosed in any of the following patents and patent applications, each of which is incorporated herein by reference in its entirety: United States Patent Nos. 7,282,199; 7,906,111; 8,524,446;
8,999,678; 8,628,966;
8,927,514; 8,734,809; US 9,284,357; 9,409,953; 9,169,299; 9,193,956; 9458517;
and 9,587,282;
US patent application publication nos. 2015/0374803; 2015/0126588;
2017/0067908;
2013/0224836; 2016/0215024; 2017/0051257; and International Patent Application Nos.
PCT/U52015/034799; PCT/EP2015/053335. In some embodiments, rAAV particles have a capsid protein at least 80% or more identical, e.g., 85%, 85%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, 99.5%, etc., i.e. up to 100% identical, to the VP1, VP2 and/or VP3 sequence of an AAV capsid disclosed in any of the following patents and patent applications, each of which is incorporated herein by reference in its entirety: United States Patent Nos. 7,282,199; 7,906,111; 8,524,446; 8,999,678; 8,628,966; 8,927,514;
8,734,809; US
9,284,357; 9,409,953; 9,169,299; 9,193,956; 9458517; and 9,587,282; US patent application publication nos. 2015/0374803; 2015/0126588; 2017/0067908; 2013/0224836;
2016/0215024;
2017/0051257; and International Patent Application Nos. PCT/US2015/034799;
PCT/EP2015/053335.
[00161] In some embodiments, rAAV particles have a capsid protein disclosed in Intl. Appl. Publ.
No. WO 2003/052051 (see, e.g., SEQ Ill NO: 2), WO 2005/033321 (see, e.g., SEQ
ID NOs: 123 and 88), WO 03/042397 (see, e.g., SEQ ID NOs: 2, 81, 85, and 97), WO
2006/068888 (see, e.g., SEQ ID NOs: 1 and 3-6), WO 2006/110689, (see, e.g., SEQ ID NOs: 5-38) (see, e.g., SEQ ID NOs: 1-5, 7, 9, 20, 22, 24 and 31), WO 2010/127097 (see, e.g., SEQ ID NOs:
5-38), and WO 2015/191508 (see, e.g., SEQ ID NOs: 80-294), and U.S. Appl.
Publ. No.
20150023924 (see, e.g., SEQ ID NOs: 1, 5-10), the contents of each of which is herein incorporated by reference in its entirety. In some embodiments, rAAV particles have a capsid protein at least 80% or more identical, e.g., 85%, 85%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, 99.5%, etc., i.e. up to 100% identical, to the VP1, VP2 and/or VP3 sequence of an AAV capsid disclosed in Intl. Appl. Publ. No. WO
2003/052051 (see, e.g., SEQ ID NO: 2), WO 2005/033321 (see, e.g., SEQ ID NOs: 123 and 88), WO
03/042397 (see, e.g., SEQ ID NOs: 2, 81, 85, and 97), WO 2006/068888 (see, e.g., SEQ ID NOs: 1 and 3-6), WO
2006/110689 (see, e.g., SEQ ID NOs: 5-38) W02009/104964 (see, e.g., SEQ ID
NOs: 1-5, 7, 9, 20, 22, 24 and 31), WO 2010/127097 (see, e.g., SEQ ID NOs: 5-38), and WO
2015/191508 (see, e.g., SEQ ID NOs: 80-294), and U.S. Appl. Publ. No. 20150023924 (see, e.g., SEQ ID NOs: 1, 5-10).
[00162] Nucleic acid sequences of AAV based viral vectors and methods of making recombinant AAV and AAV capsids are taught, for example, in United States Patent Nos.
7,282,199;
7,906,111; 8,524,446; 8,999,678; 8,628,966; 8,927,514; 8,734,809; US
9,284,357; 9,409,953;
9,169,299; 9,193,956; 9458517; and 9,587,282; US patent application publication nos.
2015/0374803; 2015/0126588; 2017/0067908; 2013/0224836; 2016/0215024;
2017/0051257;
International Patent Application Nos. PCT/US2015/034799; PCT/EP2015/053335; WO
2003/052051, WO 2005/033321, WO 03/042397, WO 2006/068888, WO 2006/110689, W02009/104964, WO 2010/127097, and WO 2015/191508, and U.S. Appl. Publ. No.
20150023924.
[00163] The provided methods are suitable for use in the production of recombinant AAV
encoding a transgene. In certain embodiments, the transgene is from Tables 1A-1C. In some embodiments, the rAAV genome comprises a vector comprising the following components: (1) AAV inverted terminal repeats that flank an expression cassette; (2) regulatory control elements, such as a) promoter/enhancers, b) a polyA signal, and c) optionally an intron;
and (3) nucleic acid sequences coding for a transgene. In other embodiments for expressing an intact or substantially intact monoclonal antibody (mAb), the rAAV genome comprises a vector comprising the following components: (1) AAV inverted terminal repeats that flank an expression cassette; (2) regulatory control elements, such as a) promoter/enhancers, b) a polyA signal, and c) optionally an intron; and (3) nucleic acid sequences coding for the light chain Fab and heavy chain Fab of the antibody, or at least the heavy chain or light chain Fab, and optionally a heavy chain Fe region. In still other embodiments for expressing an intact or substantially intact mAb, the rAAV
genome comprises a vector comprising the following components: (1) AAV
inverted terminal repeats that flank an expression cassette; (2) regulatory control elements, such as a) promoter/enhancers, b) a polyA signal, and c) optionally an intron; and (3) nucleic acid sequences coding for the heavy chain Fab of an anti-VEGF (e.g., sevacizumab, ranibizumab, bevacizumab, and brolucizumab), anti-EpoR (e.g., LKA-651, ), anti-ALK1 (e.g., ascrinvacumab), anti-05 (e.g., tesidolumab and eculizumab), anti-CD105 (e.g., carotuximab), anti-CC1Q (e.g., ANX-007), anti-TNFa (e.g., adalimumab, infliximab, and golimumab), anti-RGMa (e.g., ciczanumab), anti-TTR
(e.g., NI-301 and PRX-004), anti-CTGF (e.g., panu-evlumab), anti-IL6R (e.g., satralizumab and sarilumab), anti-IL4R (e.g., dupilumab), anti-IL17A (e.g., ixckizumab and sccukinumab), anti-IL-5 (e.g., mepolizumab), anti-IL12/IL23 (e.g., ustekinumab), anti-CD19 (e.g., inebilizumab), anti-ITGF7 mAb (e.g., etrolizumab), anti-SOST mAb (e.g., romosozumab), anti-pKal mAb (e.g., lanadelumab), anti-1TGA4 (e.g., natalizumab), anti-1TGA4B7 (e.g., vedolizumab), anti-BLyS
(e.g., belimumab), anti-PD-1 (e.g., nivolumab and pembrolizumab), anti-RANKL
(e.g., densomab), anti-PCSK9 (e.g., alirocumab and evolocumab), anti-ANGPTL3 (e.g., evinacumab*), anti-OxPL (e.g., E06), anti-fD (e.g., lampalizumab), or anti-MMP9 (e.g., andecaliximab);
optionally an Fc polypeptide of the same isotype as the native form of the therapeutic antibody, such as an IgG isotype amino acid sequence IgGl, IgG2 or IgG4 or modified Fe thereof; and the light chain of an anti-VEGF (e.g., sevacizumab, ranibizumab, bevacizumab, and brolucizumab), anti-EpoR (e.g., LKA-651, ), anti-ALK1 (e.g., ascrinvacumab), anti-05 (e.g., tesidolumab and eculizumab), anti-CD105 or anti-ENG (e.g., carotuximab). anti-CC1Q (e.g., ANX-007), anti-TNFa (e.g., adalimumab, infliximab, and golimumab), anti-RGMa (e.g., elezanumab), anti-TTR
(e.g., N1-301 and PRX-004). anti-CTGF (e.g., pamrevlumab), anti-IL6R (e.g., satralizumab and sarilumab), anti-IL4R (e.g., dupilumab), anti-IL17A (e.g., ixckizumab and sccukinumab), anti-IL-5 (e.g., mepolizumab), anti-IL12/IL23 (e.g., ustekinumab), anti-CD19 (e.g., inebilizumab), anti-1TGF7 inAb (e.g., etrolizumab), anti-SOST inAb (e.g., romosozumab), anti-pKal inAb (e.g., lanadelumab), anti-1TGA4 (e.g., natalizumab), anti-1TGA4B7 (e.g., vedolizumab), anti-BLyS
(e.g., belimumab), anti-PD-1 (e.g., nivolumab and pembrolizumab), anti-RANKL
(e.g., densomab), anti-PCSK9 (e.g., alirocumab and evolocumab), anti-ANGPTL3 (e.g., evinacumab), anti-OxPL (e.g., E06), anti-fD (e.g., lampalizumab), or anti-MMP9 (e.g., andecaliximab);
wherein the heavy chain (Fab and optionally Fe region) and the light chain are separated by a self-cleaving furin (F)/F2A or flexible linker, ensuring expression of equal amounts of the heavy and the light chain polypeptides.
[00164] In other embodiments for expressing an mRNA, such as an antisense RNA
in the context of a guide RNA (antisense strand) and/or a passenger RNA (sense strand) as in miRNA and shRNA structures, the rA AV genome comprises a vector comprising the following components:
(1) AAV inverted terminal repeats that flank an expression cassette; (2) regulatory control elements, such as a) promoter/enhancers, b) a polyA signal, and c) optionally an intron; and (3) nucleic acid sequences coding for the mRNA. In some embodiments, the transgene (nucleic acid sequences coding for the mRNA) comprises or consists of microRNA, shRNA, or U7-snRNA
encoding sequences.
Table 1A
Disease Transgene MPS I alpha-L-iduronidase (IDUA) MPS II (Hunter Syndrome) iduronate-2-sulfatase (IDS) ceroid lipofuscinosis (Batten disease) (CLN1, CLN2, CLN10, CLN13), a soluble lysosomal protein (CLN5), a protein in the secretory pathway (CLN11), two cytoplasmic proteins that also peripherally associate with membranes (CLN4, CLN14), and many Disease Transgene transmembrane proteins with different subcellular locations (CLN3, CLN6, CLN7, CLN8, CLN12) MPS Ma (Sanfilippo type A Syndrome) heparan sulfate sulfatase (also called N-sulfoglucosamine sulfohydrolase (SGSH)) MPS HIS (Sanfilippo type B Syndrome) N-acetyl-alpha-D-glucosaminidase (NAGLU) MPS VI (Maroteaux-Lamy Syndrome) arylsulfatase B
Gaucher disease (type 1, II and III) Glucocerebrosidase, GBA1 Parkinson's Disease Glucocerebrosidase; GB A 1 Parkinson's Disease dopamine decarboxylase Pompe acid maltase; GAA
Metachromatic leukodystrophy Aryl sulfatase A
MPS VII (Sly syndrome) beta-glucuronidase MPS VIII glucosamine-6-sulfate sulfatase MPS IX Hyaluronidase Niemann-Pick disease Sphingomyelinase Niemann-Pick disease without a npcl gene encoding a sphingomyelinase deficiency cholesterol metabolizing enzyme Tay-Sachs disease Alpha subunit of beta-hexosaminidase Sandhoff disease both alpha and beta subunit of beta-hexosaminidase Fabry Disease alpha-galactosidase Fucosidosis Fucosidase (FUCA1 gene) Alpha-mannosidosis alpha-mannosidase Beta-mannosidosis Beta-mannosidase Wolman disease cholesterol ester hydrolase Disease Transgene Parkinson's disease Neurturin Parkinson's disease glial derived growth factor (GDGF) Parkinson's disease tyrosine hydroxylase Parkinson's disease glutamic acid decarboxylase.
Parkinson's disease fibroblast growth factor-2 (FGF-2) Parkinson's disease brain derived growth factor (BDGF) No disease listed (Galactosialidosis neuraminidase deficiency with betagalactosidase (Goldberg syndrome)) deficiency Spinal Muscular Atrophy (SMA) SMN
Friedreich's ataxia Frataxin Amyotrophic lateral sclerosis (ALS) SOD1 Glycogen Storage Disease la Glucose-6-phosphatase Crigler Najjar UGTIA1 Rett syndrome MECP2 Achromatopsia CNGB3, CNGA3, GNAT2, PDE6C
Choroidermia CDM
Danon Disease LAMP2 Cystic Fibrosis CFTR
Duchenne Muscular Dystrophy Mini-Dystrophin or Microdystrophin Gene Limb Girdle Muscular Dystrophy Type human-alpha-sarcoglycan 2C1Gamma-sarcoglycanopathy Advanced Heart Failure SERCA2a Rheumatoid Arthritis TNFR:Fc Fusion Gene Leber Congenital Amaurosis GAA
Limb Girdle Muscular Dystrophy Type gamma-sarcoglycan 2C1Gamma-sarcoglycanopathy Retinitis Pigmentosa hMERTK
Age-Related Macular Degeneration sFLT01 Becker Muscular Dystrophy and Sporadic huFollistatin344 Inclusion Body Myositis Parkinson's Disease GDNF
Metachromatic Leukodystrophy (MLD) cuARSA
Disease Transgene Hepatitis C anti-HCV shRNA
Limb Girdle Muscular Dystrophy Type 2D hSGCA
Human Immunodeficiency Virus PG9DP
Infections; HIV Infections (HIV-1) Acute Intermittant Porphyria PBGD
Leber's Hereditary Optical Neuropathy P1ND4v2 Alpha-1 Antitrypsin Deficiency alphalAT
Pompe Disease hGAA
X-linked Retinoschisis RS1 Choroideremia hCHM
Giant Axonal Neuropathy JeT-GAN
X-linked Retinoschisis hRS1 Squamous Cell Head and Neck Cancer; hAQP1 Radiation Induced Xerostomia Hemophilia B Factor IX
Homozygous FH hLDLR
Dysferlinopathies dysferlin transgene (e.g.
rAAVrh74.MHCK7.DYSF.DV) Hemophilia B AAV6 ZFP nuclease MPS I AAV6 ZFP nuclease Rheumatoid Arthritis NF-kB.IFN-f3 Batten / CLN6 CLN6 Sanfilippo Disease Type A hSGSH
Osteoarthritis 5IL-1Ra Achromatopsia CNGA3 Achromatopsia CNGB3 Ornithine Transcarbamylase (OTC) OTC
Deficiency Hemophilia A Factor VIII
Mucopolysaccharidosis II ZFP nuclease Hemophilia A ZFP nuclease Wet AMD anti-VEGF
X-Linked Retinitis Pigmentosa RPGR
Mucopolysaccharidosis Type VI hARSB
Leber Hereditary Optic Neuropathy ND4 X-Linked Myotubular Myopathy MTM1 Crigler-Najjar Syndrome UGT1A1 Achromatopsia CNGB3 Retinitis Pigmentosa hPDE6B
X-Linked Retinitis Pigmentosa RPGR
Mucopolysaccharidosis Type 3 B hNAGLU
Duchenne Muscular Dystrophy GALGT2 Disease Transgene Arthritis, Rheumatoid; Arthritis, TNFR:Fc Fusion Gene Psoriatic; Ankylosing Spondylitis Idiopathic Parkinson's Disease Neurturin Alzheimer's Disease NGF
Human Immunodeficiency Virus tgAAC09 Infections; HIV Infections (HIV-1) Familial Lipoprotein Lipase Deficiency LPL
Idiopathic Parkinson's Disease Neurturin Alpha-1 Antitrypsin Deficiency hAAT
Leber Congenital Amaurosis (LCA) 2 hRPE65v2 Batten Disease; Late Infantile Neuronal CLN2 Lipofuscinosis Parkinson's Disease GAD
Sanfilippo Disease Type Al N-sulfoglucosamine sulfohydrolase (SGSH) gene Mucopolysaccharidosis Type IIIA
Congestive Heart Failure SERC2a Becker Muscular Dystrophy and Sporadic Follistatin (e.g.
rAAV.CMV.huFollistatin344) Inclusion Body Myositis Parkinson's Disease hAADC-2 Choroideremia REP1 CEA Specific A AV-DC-CTL Treatment in CEA
Stage IV Gastric Cancer Gastric Cancer MUCl-peptide-DC-CTL
Leber's Hereditary Optical Neuropathy scAAV2-PiND4v2 Aromatic Amino Acid Decarboxylase hAADC
Deficiency Hemophilia B Factor IX
Parkinson's Disease AADC
Leber Hereditary Optic Neuropathy Genetic: GS0101Drug: Placebo SMA - Spinal Muscular AtrophylGene SMN
Therapy Hemophilia A B-Domain Deleted Factor VIII
MPS I IDUA
MPS II IDS
CLN3-Related Neuronal Ceroid- CLN3 Lipotuscinosis (Batten) Limb-Girdle Muscular Dystrophy, Type hSGCB
Alzheimer Disease APOE2 Retinitis Pigmentosa hMERKTK
Retinitis Pigmentosa RLBP I
Wet AMD or diabetic retinopathy Anti-VEGF antibody or Anti-VEGF
trap (e.g.
one or more extracellular domains of VEGFR-1 and/or VEGFR-2; e.g. afliberccpt) Table 1B
AN ANTIBODIES INDICATIONS
(TRANSGENE) Amylaid beta Solanezumab Alzheimer' s Disease (A,8 or Abeta) peptides derived from APP
Nervous System Sortilin AL-001 Frontotemporal dementia Targets (FTD) Tau protein ABBV-8E12 Alzheimer's, Progressive supranuclear palsy.
frontotemporal demential, NI-105 (BIIB076) chronic traumatic encephalopathy, Pick's complex, primary age-related taupathy Semaphorin-4D VX15/2503 Huntington's disease, (SEMA4D) juvenile Huntington' s disease alpha-synucicin Prasinczumab Parkinson's disease, NI-202 (BIIB054) synucleinopathies superoxide NI-204 ALS, Alzheimer's Disease dismutase-1 (SOD-I) CGRP Receptor eptinezumab, Migraines, Cluster headaches fremanezumab galcanezumab Sevacizumab diabetic retinopathy (DR), myopic choroidal Ocular Anti- VEGF
neovascularization Angiogenic (mCNV), age-related Targets macular degeneration (AMD), macular edema VEGF ranibizumab Wet AMD
(LUCENTIS ) bevacizumab (AVASTIN ) brolucizumab erythropoietin LKA-651 retinal vein occlusion receptor (RVO), wet AMD, macular edema A myloid beta Sol anezumab Dry AMD
(A,6 or Abeta) peptides derived from APP
activin receptor ascrinvacumab neovascular age-related like kin use 1 macular degeneration (ALK1) complement tesidolumab dry AMD, uveitis component 5 (C5) endoglin (END carotuximab wet AMD and other retinal or CD105) disorders caused by increased vascularization complement ANX-007 glaucoma component 1Q
(C1Q) adalimumab uveitis (HUMIRA ) TNP-alpha infliximab (REMICADE ) golimumab Repulsive guidance molecule-A elezanumab multiple sclerosis Transthyretin ('TTR) NI-301 amyl oidosi s Connective tissue growth factor pamrevlumab fibrotic diseases, e.g.
(CTGF) diabetic nephropathy, liver fibrosis, idiopathic pulmonary fibrosis Neuromyelitis interleukin Satralizumab NMO, DR, DME, uveitis optica receptor 6 (NMO)/Uveitis (IL6R) sarilumab targets CD19 incbilizumab NMO
Integrin beta 7 etrolizumab ulcerative colitis, Crohn's disease Sclerostin romosozumab Osteoporosis, abnormal (EVENITY ) bone loss or weakness Table 1C
ANTIGENS ANTIBODIES INDICATIONS
(TRANSGENE) Amyloid beta (A,8 Aducanumab Alzheimer' s Disease or Abeta) peptides crenezumab gantenerumab Nervous System Targets Tau protein anti-TAU Alzheimer's, Progressive supranuclear palsy, frontotemporal demential, chronic traumatic encephalopathy, Pick's complex, primary age-related taupathy CGRP Receptor erenumab Migraine (AIMOVIGTm) ixekizumab Plaque psoriasis, psoriatic (TALTZ ) arthritis, ankylosing IL-17A sponylitis secukinumab (COSENTYX ) IL-5 mepolizumab Asthma (NUCALA ) Interleukins or interleukin IL-12/IL-23 ustekinumab Psoriasis &
Crohn's disease receptors (STELARA ) IL-4R dupilumab Atopic dermatitis vcdolizumab Ulcerative colitis &
(ENTYVIO ) Crohn's disease Integrin Natalizumah (anti- Multiple sclerosis &
integrin alpha 4) Crohn's disease PCSK9 alirocumab HeFH & HoFH
(PRALUENT ) Cardiovascular evolueomab Targets (REPATHA ) ANGPTL3 evinacumab HoFH & severe forms of dyslipidema Proinflammatory/ E06-scFv Cardiovascular diseases proatherogenic such as atherosclerosis phospholipids denosumab Osteoporosis, increasing RANKL (XGEVA and bone mass in breast and PROLIA ) prostate cancer patients, &
preventing skeletal-related events due to bone metastasis PD-I, or PD-Li or PD-L2 nivolumab Metastatic melanoma, (OPDIVO ) lymphoma, non-small cell lung carcinoma pembrolizumab (KEYTRUDA ) BLyS (B-lymphocyte stimulator, also belimumab Systemic lupus known as B-cell activating factor (BENLYSTA ) erythromatosis (BAFF)) lampalizumab Dry AMD
Ocular Targets Factor D
MMP9 andecaliximab Dry AMD
adalimumab Rheumatoid arthritis, (HUMIRA ) and psoriatic arthritis, TNF-alpha askylosing spondylitis, infliximab (REMICADE ) Crohn's disease, plaque psoriasis, ulcerative colitis eculi zumab Paroxysmal nocturnal (SOLIRIS ) hemoglobinuria, atypical hemolytic uremic Plasma Protein CS, CSa syndrome, complement-targets mediated thrombotic microangiopathy Plasma kallikrein lanadelumab Hereditary angioedema (HAE) [00165] In some embodiments, the rAAV particles are rAAV viral vectors encoding an anti-VEGF Fab. In specific embodiments, the rAAV particles are rAAV8-based viral vectors encoding an anti-VEGF Fab. hi more specific embodiments, the rAAV particles are rAAV8-based viral vectors encoding ranibizumab. In some embodiments, the rAAV
particles are rAAV
viral vectors encoding iduronidase (IDUA). In specific embodiments, the rAAV
particles are rAAV9-based viral vectors encoding IDUA. In some embodiments, the rAAV
particles are rAAV
viral vectors encoding iduronate 2-sulfatase (IDS). In specific embodiments, the rAAV particles are rAAV9-based viral vectors encoding IDS. In some embodiments, the rAAV
particles are rAAV viral vectors encoding a low-density lipoprotein receptor (LDLR). In specific embodiments, the rAAV particles arc rAAV8-based viral vectors cncoding LDLR.
In somc embodiments, the rAAV particles are rAAV viral vectors encoding tripeptidyl peptidase 1 (TPP1) protein. In specific embodiments, the rAAV particles are rAAV9-based viral vectors encoding TPPl. In some embodiments, the rAAV particles are rAAV viral vectors encoding non-membrane associated splice variant of VEGF receptor 1 (sFlt-1). In some embodiments, the rAAV particles are rAAV viral vectors encoding gamma-sarcoglycan, Rab Escort Protein 1 (REP1/CHM), retinoid isomerohydrolase (RPE65), cyclic nucleotide gated channel alpha 3 (CNGA3), cyclic nucleotide gated channel beta 3 (CNGB3), aromatic L-amino acid decarboxylase (AADC), lysosome-associated membrane protein 2 isoform B
(LAMP2B), Factor VIII, Factor IX, retinitis pigmentosa GTPase regulator (RPGR), retinoschisin (RS1), sarcoplasmic reticulum calcium ATPase (SERCA2a), aflibercept, battenin (CLN3), transmembrane ER protein (CLN6), glutamic acid decarboxylase (GAD), Glial cell line-derived neurotrophic factor (GDNF), aquaporin 1 (AQP1), dystrophin, microdystrophin, myotubularin 1 (MTM1), follistatin (FST), glucose-6-phosphatase (G6Pase), apolipoprotein A2 (AP0A2), uridine diphosphate glucuronosyl transferase 1A1 (UGT1A1), arylsulfatase B
(ARSB), N-acetyl-alpha-glucosaminidase (NAGLU), alpha-glucosidase (GAA), alpha-galactosidase (GLA), beta-gal actosidase (GLB1), lipoprotein lipase (LPL), alpha 1-antitrypsin (A AT), phosphodiesterase 6B
(PDE6B), ornithine carbamoyltransferase 90TC), survival motor neuron (SMN1), survival motor neuron (SMN2), neurturin (NRTN), Neurotrophin-3 (NT-3/NTF3), porphobilinogen deaminase (PBGD), nerve growth factor (NGF), mitochondrially encoded NADH:ubiquinone oxidoreductase core subunit 4 (MT-ND4), protective protein cathepsin A (PPCA), dysferlin, MER proto-oncogene, tyrosine Idnase (MERTK), cystic fibrosis transmembrane conductance regulator (CFTR), or tumor necrosis factor receptor (TNFR)-immunoglobulin (IgG1) Fe fusion.
[00166] In additional embodiments, rAAV particles comprise a pseudotyped AAV
capsid. In some embodiments, the pseudotyped AAV capsids are rAAV2/8 or rAAV2/9 pseudotyped AAV
capsids. Methods for producing and using pseudotyped rAAV particles are known in the art (see, e.g., Duan et al., J. Virol., 75:7662-7671 (2001); Halbert et al., J. Virol., 74:1524-1532 (2000);
Zolotukhin et al.. Methods 28:158-167 (2002); and Auricchio et al., Hum.
Molec. Genet.
10:3075-3081, (2001).
[00167] In additional embodiments, rAAV particles comprise a capsid containing a capsid protein chimeric of two or more AAV capsid serotypes. In some embodiments, the capsid protein is a chimeric of 2 or more AAV capsid proteins from AAV serotypes selected from AAV1, AAV1, AAV2, AAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15 and AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSCIO , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, or AAV.HSC16.
[00168] In certain embodiments, a single-stranded AAV (ssAAV) can be used. In certain embodiments, a self-complementary vector, e.g., scAAV, can be used (see, e.g., Wu, 2007, Human Gene Therapy, 18(2):171-82, McCarty et al, 2001, Gene Therapy, Vol. 8, Number 16, Pages 1248-1254; and U.S. Patent Nos. 6,596,535; 7,125,717; and 7,456,683, each of which is incorporated herein by reference in its entirety).
[00169] In some embodiments, the rAAV particles comprise a capsid protein from an AAV
capsid serotype selected from AAV8 or AAV9. In some embodiments, the rAAV
particles have an AAV capsid serotype of AAV8. In some embodiments, the rAAV particles have an AAV
capsid serotype of AAV9.
[00170] In some embodiments, the rAAV particles comprise a capsid protein that is a derivative, modification, or pseudotype of AAV8 or AAV9 capsid protein. In some embodiments, the rAAV
particles comprise a capsid protein that has an AAV8 capsid protein at least 80% or more identical, e.g., 85%, 85%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, 99.5%, etc., i.e. up to 100% identical, to the VP1, VP2 and/or VP3 sequence of AAV8 capsid protein.
[00171] In some embodiments, the rAAV particles comprise a capsid protein that is a derivative, modification, or pseudotype of AAV9 capsid protein. In some embodiments, the rAAV particles comprise a capsid protein that has an AAV9 capsid protein at least 80% or more identical, e.g., 85%, 85%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, 99.5%, etc., i.e. up to 100% identical, to the VP1. VP2 and/or VP3 sequence of AAV9 capsid protein.
[00172] In additional embodiments, the rAAV particles comprise a mosaic capsid. Mosaic AAV
particles are composed of a mixture of viral capsid proteins from different serotypes of AAV. In some embodiments, the rAAV particles comprise a mosaic capsid containing capsid proteins of a serotype selected from AAV1, AAV2, AAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15 and AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, and AAV.HSC16. In some embodiments, the rAAV
particles comprise a mosaic capsid containing capsid proteins of a serotype selected from AAV1, AAV2, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAVrh.8, AAVrh.10, AAVhu.37, AAVrh.20, and AAVrh.74.
[00173] In additional embodiments, the rAAV particles comprise a pseudotyped rAAV particle.
In some embodiments, the pseudotyped rAAV particle comprises (a) a nucleic acid vector comprising AAV ITRs and (b) a capsid comprised of capsid proteins derived from AAVx (e.g., AAV1, AAV2, AAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15 and AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, and AAV.HSC16). In additional embodiments, the rAAV particles comprise a pseudotyped rAAV particle comprised of a capsid protein of an AAV
serotype selected from AAV1, AAV2, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAVrh.8, and AAVrh.10. AAVhu.37, AAVrh.20, and AAVrh.74. In additional embodiments, the rAAV
particles comprise a pseudotyped rAAV particle containing AAV8 capsid protein.
In additional embodiments, the rAAV particles comprise a pseudotyped rAAV particle is comprised of AAV9 capsid protein. In some embodiments, the pseudotyped rAAV8 or rAAV9 particles are rAAV2/8 or rAAV2/9 pseudotyped particles. Methods for producing and using pseudotyped rAAV
particles are known in the art (see, e.g., Duan et al., J. Virol., 75:7662-7671 (2001); Halbert et al., J. Virol., 74:1524-1532 (2000); Zolotukhin et al., Methods 28:158-167 (2002);
and Auricchio et al., Hum. Molec. Genet. 10:3075-3081, (2001).
[00174] In additional embodiments, the rAAV particles comprise a capsid containing a capsid protein chimeric of two or more AAV capsid serotypes. In some embodiments, the rAAV
particles comprise an AAV capsid protein chimeric of AAV8 capsid protein and one or more AAV capsid proteins from an AAV serotype selected from AAV1, AAV2, AAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAVIO, AAV11, AAV12, AAV13, AAV14, AAV15 and AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, and AAV.HSC16. In some embodiments, the rAAV particles comprise an AAV capsid protein chimeric of AAV8 capsid protein and one or more AAV capsid proteins from an AAV serotype selected from AAV1, AAV2, AAV5, AAV6, AAV7, AAV9, AAV10, rAAVrh10, AAVrh.8, AAVrh.10, AAVhu.37, AAVrh.20, and AAVrh.74. In some embodiments, the rAAV particles comprise an AAV capsid protein chimeric of AAV9 capsid protein the capsid protein of one or more AAV
capsid serotypes selected from AAV1, AAV2, AAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15 and AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, and AAV.HSC16. In some embodiments, the rAAV
particles comprise an AAV capsid protein chimeric of AAV9 capsid protein the capsid protein of one or more AAV capsid serotypes selected from AAV1, AAV2, AAV3, AAV4, AAV5, AA6, AAV7, AAV8, AAV9, AAVrh.8, AAVrh.10, AAVhu.37, AAVrh.20, and AAVrh.74.
METHODS FOR ISOLATING rAAV PARTICLES
[00175] In some embodiments, the disclosure provides methods for producing recombinant adeno-associated virus (rAAV) particles, comprising isolating rAAV particles from a feed comprising an impurity (for example, rAAV production culture). In some embodiments, a method for producing recombinant adeno-associated virus (rAAV) particles described herein comprises (a) isolating rAAV particles from a feed comprising an impurity (for example, rAAV production culture), and (b) formulating the isolated rAAV particles to produce the formulation.
[00176] In some embodiments, the disclosure further provides methods for producing a pharmaceutical unit dosage of a formulation comprising isolated recombinant adeno-associated virus (rAAV) particles, comprising isolating rAAV particles from a feed comprising an impurity (for example, rAAV production culture), and formulating the isolated rAAV
particles.
[00177] Isolated rAAV particles can be isolated using methods known in the art. In some embodiments, methods of isolating rAAV particles comprises downstream processing such as, for example, harvest of a cell culture, clarification of the harvested cell culture (e.g., by centrifugation or depth filtration), tangential flow filtration, affinity chromatography, anion exchange chromatography, cation exchange chromatography, size exclusion chromatography, hydrophobic interaction chromatography, hydroxylapatite chromatography, sterile filtration, or any combination(s) thereof. In some embodiments, downstream processing includes at least 2, at least 3, at least 4, at least 5 or at least 6 of: harvest of a cell culture, clarification of the harvested cell culture (e.g., by centrifugation or depth filtration), tangential flow filtration, affinity chromatography, anion exchange chromatography, cation exchange chromatography, size exclusion chromatography, hydrophobic interaction chromatography, hydroxylapatite chromatography, and sterile filtration. In some embodiments, downstream processing comprises harvest of a cell culture, clarification of the harvested cell culture (e.g., by depth filtration), sterile filtration, tangential flow filtration, affinity chromatography, and anion exchange chromatography. In some embodiments, downstream processing comprises clarification of a harvested cell culture, sterile filtration, tangential flow filtration, affinity chromatography, and anion exchange chromatography. In some embodiments, downstream processing comprises clarification of a harvested cell culture by depth filtration, sterile filtration, tangential flow filtration, affinity chromatography, and anion exchange chromatography. In some embodiments, clarification of the harvested cell culture comprises sterile filtration. In some embodiments, downstream processing does not include centrifugation. In some embodiments, the rAAV
particles comprise a capsid protein of the AAV8 serotype. In some embodiments, the rAAV
particles comprise a capsid protein of the AAV9 scrotypc.
[00178] In some embodiments, a method of isolating rAAV particles produced according to a method described herein comprises harvest of a cell culture, clarification of the harvested cell culture (e.g., by depth filtration), a first sterile filtration, a first tangential flow filtration, affinity chromatography, anion exchange chromatography (e.g., monolith anion exchange chromatography or AEX chromatography using a quaternary amine ligand), a second tangential flow filtration, and a second sterile filtration. In some embodiments, a method of isolating rAAV
particles described herein comprises harvest of a cell culture, clarification of the harvested cell culture (e.g., by depth filtration), a first sterile filtration, affinity chromatography, anion exchange chromatography (e.g., monolith anion exchange chromatography or AEX
chromatography using a quaternary amine ligand), a tangential flow filtration, and a second sterile filtration. In some embodiments, a method of isolating rAAV particles produced according to a method described herein comprises clarification of a harvested cell culture, a first sterile filtration, a first tangential flow filtration, affinity chromatography, anion exchange chromatography (e.g., monolith anion exchange chromatography or AEX chromatography using a quaternary amine ligand), a second tangential flow filtration, and a second sterile filtration. In some embodiments, a method of isolating rAAV particles described herein comprises clarification of a harvested cell culture, a first sterile filtration, affinity chromatography, anion exchange chromatography (e.g., monolith anion exchange chromatography or AEX chromatography using a quaternary amine ligand), tangential flow filtration, and a second sterile filtration. In some embodiments, a method of isolating rAAV particles produced according to a method described herein comprises clarification of a harvested cell culture by depth filtration, a first sterile filtration, a first tangential flow filtration, affinity chromatography, anion exchange chromatography (e.g., monolith anion exchange chromatography or AEX chromatography using a quaternary amine ligand), a second tangential flow filtration, and a second sterile filtration. In some embodiments, a method of isolating rAAV particles described herein comprises clarification of a harvested cell culture by depth filtration, a first sterile filtration, affinity chromatography, anion exchange chromatography (e.g., monolith anion exchange chromatography or AEX chromatography using a quaternary amine ligand), tangential flow filtration, and a second sterile filtration. In some embodiments, the method does not include centrifugation. In some embodiments, clarification of the harvested cell culture comprises sterile filtration. In some embodiments, the rAAV particles comprise a capsid protein of the AAV8 scrotype. In some embodiments, the rAAV particles comprise a capsid protein of the AAV9 serotype.
[00179] Numerous methods are known in the art for production of rAAV
particles, including transfection, stable cell line production, and infectious hybrid virus production systems which include adenovirus-AAV hybrids, herpesvirus-AAV hybrids and baculovirus-AAV
hybrids.
rAAV production cultures for the production of rAAV virus particles all require; (1) suitable host cells, including, for example, human-derived cell lines such as HeLa, A549, or HEK293 cells and their derivatives (HEK293T cells, HEK293F cells), mammalian cell lines such as Vero, and amniocyte-derived cells such as CAP cells, or insect-derived cell lines such as SF-9 in the case of baculovirus production systems; (2) suitable helper virus function, provided by wild type or mutant adenovirus (such as temperature sensitive adenovirus), herpes virus, baculovirus, or a plasmid construct providing helper functions; (3) AAV rep and cap genes and gene products; (4) a transgene (such as a therapeutic transgene) flanked by AAV ITR sequences;
and (5) suitable media and media components to support rAAV production. In some embodiments, the suitable helper virus function is provided by a recombinant polynucleotide described herein or a plasmid described herein. Suitable media known in the art may be used for the production of rAAV
vectors. These media include, without limitation, media produced by Hyclonc Laboratories and JRH including Modified Eagle Medium (MEM), Dulbecco's Modified Eagle Medium (DMEM), and Sf-900 11 SFM media as described in U.S. Pat. No. 6,723,551, which is incorporated herein by reference in its entirety.
[00180] rAAV production cultures can routinely be grown under a variety of conditions (over a wide temperature range, for varying lengths of time, and the like) suitable to the particular host cell being utilized. As is known in the art, rAAV production cultures include attachment-dependent cultures which can be cultured in suitable attachment-dependent vessels such as, for example, roller bottles, hollow fiber filters, microcarriers, and packed-bed or fluidized-bed bioreactors. rAAV vector production cultures may also include suspension-adapted host cells such as HeLa cells, HEK293 cells, HEK293 derived cells (e.g., HEK293T cells, HEK293F cells), Vero cells, CAP cells, CHO cells, CHO-Kl cells, CHO derived cells, EB66 cells, BSC cells, HepG2 cells, LLC-MK cells, CV-1 cells, COS cells, MDBK cells, MDCK cells, CRFK
cells, RAF cells, RK cells, TCMK-1 cells, LLCPK cells, PK15 cells, LLC-RK cells, MDOK
cells, BHK cells, BHK-21 cells, NS-1 cells, MRC-5 cells, WI-38 cells, BHK cells, 3T3 cells, 293 cells, RK cells, Per.C6 cells, chicken embryo cells or SF-9 cells which can be cultured in a variety of ways including, for example, spinner flasks, stirred tank bioreactors, and disposable systems such as the Wave bag system. In some embodiments, the cells are HEK293 cells. In some embodiments, the cells are HEK293 cells adapted for growth in suspension culture. Numerous suspension cultures are known in the art for production of rAAV particles, including for example, the cultures disclosed in U.S. Patent Nos. 6,995,006, 9,783,826, and in U.S.
Pat. Appl. Pub. No.
20120122155, each of which is incorporated herein by reference in its entirety.
[00181] In some embodiments, the rAAV production culture comprises a high density cell culture. In some embodiments, the culture has a total cell density of between about 1x10E+06 cells/ml and about 30x10E+06 cells/ml. In some embodiments, more than about 50% of the cells are viable cells. In some embodiments, the cells are HeLa cells, HEK293 cells, HEK293 derived cells (e.g., HEK293T cells, HEK293F cells), Vero cells, CAP cells, or SF-9 cells. In further embodiments, the cells are HEK293 cells. In further embodiments, the cells are HEK293 cells adapted for growth in suspension culture.
[00182] In additional embodiments of the provided method the rAAV production culture comprises a suspension culture comprising rAAV particles. Numerous suspension cultures are known in the art tor production of rAAV particles, including for example, the cultures disclosed in U.S. Patent Nos. 6,995,006, 9,783,826, and in U.S. Pat. Appl. Pub. No.
20120122155, each of which is incorporated herein by reference in its entirety. In some embodiments, the suspension culture comprises a culture of mammalian cells or insect cells. In some embodiments, the suspension culture comprises a culture of HeLa cells, HEK293 cells, HEK293 derived cells (e.g., HEK293T cells, HEK293F cells), Vero cells, CAP cells, CHO cells, CHO-Kl cells, CHO derived cells, EB66 cells, BSC cells, HepG2 cells, LLC-MK cells, CV-1 cells, COS
cells, MDBK cells, MDCK cells, CRFK cells, RAF cells, RK cells, TCMK-1 cells, LLCPK cells, PK15 cells, LLC-RK cells, MDOK cells, BHK cells, BHK-21 cells, NS-1 cells, MRC-5 cells, WI-38 cells, BHK
cells, 313 cells, 293 cells, RK cells, Per.C6 cells, chicken embryo cells or SF-9 cells. In some embodiments, the suspension culture comprises a culture of HEK293 cells.
[00183] In some embodiments, methods for the production of rAAV particles encompasses providing a cell culture comprising a cell capable of producing rAAV; adding to the cell culture a histone deacetylase (HDAC) inhibitor to a final concentration between about 0.1 m1V1 and about 20 mNI; and maintaining the cell culture under conditions that allows production of the rAAV
particles. In some embodiments, the HDAC inhibitor comprises a short-chain fatty acid or salt thereof. In some embodiments, the HDAC inhibitor comprises butyrate (e.g., sodium butyrate), valproatc (e.g., sodium valproatc), propionate (e.g., sodium propionate), or a combination thereof.
[00184] In some embodiments, rAAV particles are produced as disclosed in WO
2020/033842, which is incorporated herein by reference in its entirety.
[00185] Recombinant AAV particles can be harvested from rAAV production cultures by harvest of the production culture comprising host cells or by harvest of the spent media from the production culture, provided the cells are cultured under conditions known in the art to cause release of rAAV particles into the media from intact host cells. Recombinant AAV particles can also be harvested from rAAV production cultures by lysis of the host cells of the production culture. Suitable methods of lysing cells are also known in the art and include for example multiple freeze/thaw cycles, sonication, microfluidization, and treatment with chemicals, such as detergents and/or proteases.
[00186] At harvest, rAAV production cultures can contain one or more of the following: (1) host cell proteins; (2) host cell DNA; (3) plasmid DNA; (4) helper virus; (5) helper virus proteins; (6) helper virus DNA; and (7) media components including, for example, serum proteins, amino acids, transfcrrins and other low molecular weight proteins. rAAV production cultures can further contain product-related impurities, for example, inactive vector forms, empty viral capsids, aggregated viral particles or capsids, mis-folded viral capsids, degraded viral particle.
[00187] In some embodiments, the rAAV production culture harvest is clarified to remove host cell debris. In some embodiments, the production culture harvest is clarified by filtration through a series of depth filters. Clarification can also be achieved by a variety of other standard techniques known in the art, such as, centrifugation or filtration through any cellulose acetate filter of 0.2 mm or greater pore size known in the art. In some embodiments, clarification of the harvested cell culture comprises sterile filtration. In some embodiments, the production culture harvest is clarified by centrifugation. In some embodiments, clarification of the production culture harvest does not included centrifugation.
[00188] In some embodiments, harvested cell culture is clarified using filtration. In some embodiments, clarification of the harvested cell culture comprises depth filtration. In some embodiments, clarification of the harvested cell culture further comprises depth filtration and sterile filtration. In some embodiments, harvested cell culture is clarified using a filter train comprising one or more different filtration media. In some embodiments, the filter train comprises a depth filtration media. In some embodiments, the filter train comprises one or more depth filtration media. In some embodiments, the filter train comprises two dcpth filtration media.
In some embodiments, the filter train comprises a sterile filtration media. In some embodiments, the filter train comprises 2 depth filtration media and a sterile filtration media. In some embodiments, the depth filter media is a porous depth filter. In some embodiments, the filter train comprises Claris lve 20MS, Millistak+0 COHC, and a sterilizing grade filter media. In some embodiments, the filter train comprises Claris lye 20MS, Millistak+C) COHC, and SartoporeCD
2 XLG 0.2 nm. In some embodiments, the harvested cell culture is pretreated before contacting it with the depth filter. In some embodiments, the pretreating comprises adding a salt to the harvested cell culture. In sonic embodiments, the pretreating comprises adding a chemical flocculent to the harvested cell culture. In some embodiments, the harvested cell culture is not pre-treated before contacting it with the depth filter.
[00189] In some embodiments, the production culture harvest is clarified by filtration are disclosed in WO 2019/212921, which is incorporated herein by reference in its entirety.
[00190] In some embodiments, the rAAV production culture harvest is treated with a nuclease (e.g., Benzonase0) or endonuclease (c.g., endonuclease from Scrratia marcesccns) to digest high molecular weight DNA present in the production culture. The nuclease or endonuclease digestion can routinely be performed under standard conditions known in the art. For example, nuclease digestion is performed at a final concentration of 1-2.5 units/nil of Benzonase0 at a temperature ranging from ambient to 37 C for a period of 30 minutes to several hours.
[00191] Sterile filtration encompasses filtration using a sterilizing grade filter media. In some embodiments, the sterilizing grade filter media is a 0.2 or 0.22 tm pore filter. In some embodiments, the sterilizing grade filter media comprises polyethersulfone (PES). In some embodiments, the sterilizing grade filter media comprises polyvinylidene fluoride (PVDF). In some embodiments, the sterilizing grade filter media has a hydrophilic heterogeneous double layer design. In some embodiments, the sterilizing grade filter media has a hydrophilic heterogeneous double layer design of a 0.8 pm pre-filter and 0.2 pm final filter membrane. In some embodiments, the sterilizing grade filter media has a hydrophilic heterogeneous double layer design of a 1.2 pm pre-filter and 0.2 pm final filter membrane. In some embodiments, the sterilizing grade filter media is a 0.2 or 0.22 pm pore filter. In further embodiments, the sterilizing grade filter media is a 0.2 pm pore filter. In some embodiments, the sterilizing grade filter media is a Sartopore0 2 XLG 0.2 pm, DuraporeTM PVDF Membranes 0.45pm, or Sartoguard0 PES 1.2 pm + 0.2 lam nominal pore size combination. In some embodiments, the sterilizing grade filter media is a Sartoporee 2 XLG 0.2 pm.
[00192] In some embodiments, the clarified feed is concentrated via tangential flow filtration ("TFF") before being applied to a chromatographic medium, for example, affinity chromatography medium. Large scale concentration of viruses using TFF
ultrafiltration has been described by Paul et al., Human Gene Therapy 4:609-615 (1993). TFF
concentration of the clarified feed enables a technically manageable volume of clarified feed to be subjected to chromatography and allows for more reasonable sizing of columns without the need for lengthy recirculation times. In some embodiments, the clarified feed is concentrated between at least two-fold and at least ten-fold. In some embodiments, the clarified feed is concentrated between at least ten-fold and at least twenty-fold. In some embodiments, the clarified feed is concentrated between at least twenty-fold and at least fifty-fold. In some embodiments, the clarified feed is concentrated about twenty-fold. One of ordinary skill in the art will also recognize that TFF can also be used to remove small molecule impurities (e.g., cell culture contaminants comprising media components, scrum albumin, or other scrum proteins) form the clarified feed via diafiltration. In some embodiments, the clarified feed is subjected to diafiltration to remove small molecule impurities. In some embodiments, the diafiltration comprises the use of between about 3 and about 10 diafiltration volume of buffer. In some embodiments, the diafiltration comprises the use of about 5 diafiltration volume of buffer. One of ordinary skill in the art will also recognize that TFF can also be used at any step in the purification process where it is desirable to exchange buffers before performing the next step in the purification process. In some embodiments, the methods for isolating rAAV from the clarified feed described herein comprise the use of TFF to exchange buffers.
[001931 Affinity chromatography can be used to isolate rAAV particles from a composition. In some embodiments, affinity chromatography is used to isolate rAAV particles from the clarified feed. In some embodiments, affinity chromatography is used to isolate rAAV
particles from the clarified feed that has been subjected to tangential flow filtration. Suitable affinity chromatography media are known in the art and include without limitation, AVB
SepharoseTM, POROSTM CaptureSelectTM AAVX affinity resin, POROSTM CaptureSelectTM AAV9 affinity resin, and POROSTM CapturcScicctTM AAV8 affinity resin. In some embodiments, the affinity chromatography media is POROSTm CaptureSelectTM AAV9 affinity resin. In some embodiments, the affinity chromatography media is POROSTm CaptureSelcctTM AAV8 affinity resin. In some embodiments, the affinity chromatography media is POROSTM
CaptureSelectTm AAVX affinity resin.
1100194] Anion exchange chromatography can be used to isolate rAAV particles from a composition. In some embodiments, anion exchange chromatography is used after affinity chromatography as a final concentration and polish step. Suitable anion exchange chromatography media are known in the art and include without limitation, UNOsphereTm Q
(Biorad, Hercules, Calif.), and N-charged amino or imino resins such as e.g., POROSTM 50 PI, or any DEAE, TMAE, tertiary or quaternary amine, or PEI-based resins known in the art (U.S. Pat.
No. 6,989,264; Brument et al., Mol. Therapy 6(5):678-686 (2002); Gao et al..
Hum. Gene Therapy 11:2079-2091(2000)). In some embodiments, the anion exchange chromatography media comprises a quaternary amine. In some embodiments, the anion exchange media is a monolith anion exchange chromatography resin. In some embodiments, the monolith anion exchange chromatography media comprises glycidylmethacrylate-ethylenedimethacrylate or styrenc-divinylbenzene polymers. In some embodiments, the monolith anion exchange chromatography media is selected from the group consisting of CIMmultusTm QA-1 Advanced Composite Column (Quaternary amine), CIIVImultus'm DEAE-1 Advanced Composite Column (Diethylamino), CIM QA Disk (Quaternary amine), CIM DEAL, and CIM EDA Disk (Ethylene diamino). In some embodiments, the monolith anion exchange chromatography media is CIMmultusTm QA-1 Advanced Composite Column (Quaternary amine). In some embodiments, the monolith anion exchange chromatography media is CIM QA Disk (Quaternary amine). In some embodiments, the anion exchange chromatography media is CIM QA (BIA
Separations, Slovenia). In some embodiments, the anion exchange chromatography media is BIA
CIM QA-80 (Column volume is 80mL). One of ordinary skill in the art can appreciate that wash buffers of suitable ionic strength can be identified such that the rAAV remains bound to the resin while impurities, including without limitation impurities which may be introduced by upstream purification steps are stripped away.
[00195] In some embodiments, anion exchange chromatography is performed according to a method disclosed in WO 2019/241535, which is incorporated herein by reference in its entirety.
[00196] In some embodiments, a method of isolating rAAV particles comprises determining the vector genome titer, capsid titer, and/or the ratio of full to empty capsids in a composition comprising the isolated rAAV particles. In some embodiments, the vector genome titer is determined by quantitative PCR (qPCR) or digital PCR (dPCR) or droplet digital PCR (ddPCR).
In some embodiments, the capsid titer is determined by serotype-specific ELISA. In some embodiments, the ratio of full to empty capsids is determined by Analytical Ultracentrifugation (AUC) or Transmission Electron Microscopy (TEM).
[00197] In some embodiments, the vector genome titer, capsid titer, and/or the ratio of full to empty capsids is determined by spectrophotometry, for example, by measuring the absorbance of the composition at 260 nm; and measuring the absorbance of the composition at 280 nm. In some embodiments, the rAAV particles are not denatured prior to measuring the absorbance of the composition. In some embodiments, the rAAV particles are denatured prior to measuring the absorbance of the composition. In some embodiments, the absorbance of the composition at 260 nm and 280 nm is determined using a spectrophotometer. In some embodiments, the absorbance of the composition at 260 nm and 280 nm is determined using a HPLC. In some embodiments, the absorbance is peak absorbance. Several methods for measuring the absorbance of a composition at 260 nm and 280 nm arc known in the art. Methods of determining vector gcnomc titer and capsid titer of a composition comprising the isolated recombinant rAAV particles are disclosed in WO 2019/212922, which is incorporated herein by reference in its entirety.
[00198] In additional embodiments the disclosure provides compositions comprising isolated rAAV particles produced according to a method described herein. In some embodiment, the composition is a pharmaceutical composition comprising a pharmaceutically acceptable carrier.
[00199] As used herein the term "pharmaceutically acceptable means a biologically acceptable formulation, gaseous, liquid or solid, or mixture thereof, which is suitable for one or more routes of administration, in vivo delivery or contact. A "pharmaceutically acceptable" composition is a material that is not biologically or otherwise undesirable, e.g., the material may be administered to a subject without causing substantial undesirable biological effects. Thus, such a pharmaceutical composition may be used, for example in administering rAAV
isolated according to the disclosed methods to a subject. Such compositions include solvents (aqueous or non-aqueous), solutions (aqueous or non-aqueous), emulsions (e.g., oil-in-water or water-in-oil), suspensions, syrups, elixirs, dispersion and suspension media, coatings, isotonic and absorption promoting or delaying agents, compatible with pharmaceutical administration or in vivo contact or delivery. Aqueous and non-aqueous solvents, solutions and suspensions may include suspending agents and thickcning agents. Such pharmaceutically acceptable carriers include tablets (coated or uncoated), capsules (hard or soft), microbeads, powder, granules and crystals.
Supplementary active compounds (e.g., preservatives, antibacterial, antiviral and antifungal agents) can also be incorporated into the compositions. Pharmaceutical compositions can be formulated to be compatible with a particular route of administration or delivery, as set forth herein or known to one of skill in the art. Thus, pharmaceutical compositions include carriers, diluents, or excipients suitable for administration by various routes.
Pharmaceutical compositions and delivery systems appropriate for rAAV particles and methods and uses of the invention are known in the art (see, e.g., Remington: The Science and Practice of Pharmacy (2003) 20th ed., Mack Publishing Co., Easton, Pa.; Remington's Pharmaceutical Sciences (1990) 18th ed., Mack Publishing Co., Easton, Pa.; The Merck Index (1996) 12th ed., Merck Publishing Group, Whitehouse, N.J.; Pharmaceutical Principles of Solid Dosage Forms (1993), Technonic Publishing Co., Inc., Lancaster, Pa.; Ansel and Stoklosa, Pharmaceutical Calculations (2001) 11th ed., Lippincott Williams & Wilkins, Baltimore, Md.; and Poznansky et al., Drug Delivery Systems (1980), R. L. Juliano, ed., Oxford, N.Y., pp. 253-315).
[00200] In some embodiments, the composition is a pharmaceutical unit dose. A "unit dose" refers to a physically discrete unit suited as a unitary dosage for the subject to be treated; each unit containing a predetermined quantity optionally in association with a pharmaceutical carrier (excipient, diluent, vehicle or filling agent) which, when administered in one or more doses, is calculated to produce a desired effect (e.g., prophylactic or therapeutic effect). Unit dose forms may be within, for example, ampules and vials, which may include a liquid composition, or a composition in a freeze-dried or lyophilized state; a sterile liquid carrier, for example, can be added prior to administration or delivery in vivo. Individual unit dose forms can be included in multi-dose kits or containers. Recombinant vector (e.g.. AAV) sequences, plasmids, vector genomes, and recombinant virus particles, and pharmaceutical compositions thereof can be packaged in single or multiple unit dose form for ease of administration and uniformity of dosage. In some embodiments, the composition comprises rAAV particles comprising an AAV capsid protein from an AAV capsid serotype selected from AAV1, AAV2, AAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15 and AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14. AAV.HSC15, and AAV.HSC16. In some embodiments, the AAV
capsid serotype is AAV8. In some embodiments, the AAV capsid serotype is AAV9.
EXAMPLES
Example 1. Development of improved helper plasmids.
[00201]
Plasmid pAdDeltaF6 was constructed by Dr. James M. Wilson and colleagues at UPenn. pAdDe1taF6 is 15770 bp in size. The plasmid contains the regions of adenovirus genome that are important for AAV replication, namely E2A (DNA binding protein), E4, and VA RNAI
but does not contain other adenovirus replication genes. This plasmid was derived from an El, E3 deleted molecular clone of Ad5 (pBHG10, a pBR322 based plasmid). Deletions were introduced in the Ad5 DNA to remove expression of unnecessary adenovirus genes and reduce the amount of adenovirus DNA from 32 kb to 12 kb (Figure 1, A). Finally, the ampicillin resistance gene was replaced by the kanamycin resistance gene to give pAdDe1taF6 (Figure 1, B).
The functional elements of the E2A. E4 and VA RNAI adenoviral genes necessary for AAV vector production remain in this plasmid. The adenoviral El essential gene functions are supplied by the HEK293 cells. There are also some remnant genes/elements that were resulted from partial digestion of pBHG10. These include the promoterless L3 23K/viral endoprotease, L4 100K/hexon assembly gene, L4 pVIII/hexon-associated precursor and L5 pVI/fiber genes in the map.
Figure 1 C). In pAdDeltaF6 plasmid, these genes are not transcribed due to the deletion of their promoter MLP
(Major Late Promoter). Biasiotto et al., Int. J. Mol. Sci., 16: 2893-2912;
doi:10.3390/ijms16022893 (2015). Since some of these genes including L4 100K
and L4 pVIII
overlap with E2A region, deletion of these genes may impact the production of the essential helper protein E2A as described below during the sequential reconfiguration of the helper plasmid. Furthermore, there is a L4 22K/33K gene with its own intact promoter located at this region. This gene encodes the L4 22K and L4 33K proteins involved in Adenovirus 5 packaging.
The promoter of the L4 22K/33K gene also overlaps with E2A region. Therefore, deletion of the promoter may impact the production of E2A. There is a partial adenoviral inverted terminal repeat in thc plasmid map that also resulted from partial digestion of pBHG10.
However, due to the deletion of the essential DNA polymerase gene (E2 region) for Adenovirus 5 DNA
replication, no infectious adenovirus is expected to be generated. DNA plasmid sequencing was performed by Qiagen Genomic Services and revealed 100% homology with the following important functional elements of the reference sequence pAdDeltaF6 p1707FH-Q:
3692-2808 bp; E2A DNA binding protein 11784-10194 bp; VA RNAI region 12426-13378 bp.
The sequence is confirmed at Aldevron, as part of the manufacturing process.
[00202] New helper plasmid #1 The new helper plasmid #1 (Figure 2) was constructed based on Ad5 sequence where E2A and E4 orientations were re-configured to express them bidirectionally.
The rationale behind this was to avoid possible interference from E4 strong promoter which could result in lowering the expression from E2A promoter located downstream. The new helper plasmid #1 genes were synthesized by Genscript and cloned into EcoRI/NotI
sites of pUC57 vector that was freely available from Genscript. In this new designed plasmid, some nonessential remnant genes (Ad5 structural genes) and elements that include the ITR
sequence (Ad5 inverted terminal repeat) next to E4 promoter, L3 23K/viral endoprotease, L5 pVI/fibre, and L4 pVIII/hexon-associated precursor sequences were removed. On the other hand, the L4 33K/L4 100K hcxon assembly gene was kept since the E2A transcription starting sites (TSS) arc located at that region and their removal may impact E2A expression. The virus associated (VA) RNA
was further modified by incorporating VA RNAII to VA RNA1. VA RNA is known to stimulate viral protein synthesis in infected cells and antagonizes the interferon-induced cellular defense system by regulating innate cellular response (Ma et al., Journal of Virology, Aug. 1996, p 5083-5099). The new plasmid has the size of 11,484 bp.
[00203] The new helper plasmid #1 improved AAV titers and performed well on different transgenes as shown in Figure 3. rAAV production titers were assessed using the clone 1, 2, 3, 4, and 5 HEK293-derived host cells.
[00204] New helper plasmid #2 The new helper plasmid #2 (Figure 4) was designed based on the new helper #1. In this new design, the E4 region was dissected by sequential deletion and the impact of the deletions on AAV production was investigated.
E4 Orf 1 and 2 were deleted based on results indicating that deletion of E4 Orf 1 and 2 improved AAV titers (data not shown). It is known in the field that the promoter controlling E4 region is active at earlier phase of adenovirus infection and continues to the late phases. The E4 region has the potential to transcribe and encode for 7 different proteins that are resulted from differential splicing of a single primary transcript (Orf1, 2, 3, 3/4, 4, 6, 6/7) generated by this promoter. The pattern of differential splicing for this transcript changes during the phases of viral infection with some appearing only in early phases and other in late phase (Dix et al., Journal of General Virology (1995), 76, 1051-1055). The encoded protein products of Orfl, 0rf2, 0rf3, 0r14, 0rf6, and 0rf6/7 were reported to exist in infected cells except for 0rf3/4, which might be absent or expressed below detection limit (Tauber et al., Gene 278 (2001) 1-23). Orfl encoded protein is expressed in the late phase and target a family of cellular proteins that play a role in cell signaling and signal transfection. There is no functional information about E4 product encoded by 0rf2.
Furthermore, Ad5 mutants in which E4 0rf2 were deleted, were about to grow to wild-type levels (Tauber et al., Gene 278 (2001) 1-23). The deletion of Orfl and 2 did not impact AAV production but improved its titer which indicated that E4 Orfl and 2 are not essential (Figure 5). rAAV
production titers were assessed using the clone 1, 2, 4, and 6 HEK293-derived host cells.
[00205] New helper plasmid #3 During helper plasmid #3 design, the E4 region was further dissected by sequential deletion. Different E4 variants with E4 native promoter and CMV
promoter were screened for AAV production (Figure 6). Those E4 variants with E4 0rf6-7 only gave the highest titers. E4 0rf3-4 was further removed from helper #2 to generate helper #3 (Figure 7). To further explain the rationale behind removing 0rf3 and 0rf4, it appears that 0rf3 and 0rf6 can partially or totally compensate for each other's defects. 0rf3 and 0rf6 have redundant functions and independently amplify viral DNA replication, late viral protein synthesis, shut-off of host protein synthesis, and prevent concatemer formation of viral genomes (Tauber et al., Gene 278 (2001) 1-23). E4 0rf4 also downregulates E4 transcription by inhibiting El A-mediated transactivation of the E4 promoter through its interaction with the serine/threonine protein phosphatase 2A (PP2A), an enzyme that plays an important role on numerous cellular processes. This autoregulatory loop may be required to limit the cytotoxic effects of E4 gene products during the early phase of infection, where E4 0rf4 can induce apoptosis through caspase activation in a cell line-specific manner. Therefore, further removal of E4 0rf5 resulted in prevention of this cytotoxic effect (Tauber et al., Gene 278 (2001) 1-23).
[00206] The helper #3 improved AAV titers including A AV8 and A
AV9, and different transgenes (Figures 8 and 9). rAAV production titers were assessed using the clone 1 and clone 4 HEK293-derived host cells.
[00207] New helper plasmid #4 The possibility of adding other genes to the new helper plasmid to further improve AAV titers was investigated. Incorporation of selected genes from Boca virus helper that were reported to have positive impact on AAV production (Wang et al., Molecular Therapy: Methods & Clinical Development Vol.11 December 2018), addition of a copy of El A gene and AAP (assembly-activating protein derived from trans plasmid) under CMV promoter were explored. The addition of Boca virus selected genes NP1 and NS2 genes to helper plasmid #2 (Figure 10) had no impact on AAV titers (Figure 11). It is known in the field that the assembly activating protein encoded by AAV capsid can provide increased capsid protein stability when expressed in trans (Maurer et al., 2018, Cell Reports 23, 1817-1830; Maurer et al., Journal Virology, 2019 Volume 93 Issue 7 e02013-18). The addition of AAP gene expressed in trans for AAV8 (Figure 12) had a negative impact on AAV titers (Figure 14).
ElA is known to start AAV virus replication by enhancing the transcription from the rep gene promoters, P5 and P19 and by activating E2A and E4 adenovirus promoters. ElA is also known to control the host cell cycle to accommodate for AAV viral DNA replication. A potential drawback from overexpressing ElA is that it is known to stabilize p53, which can lead to apoptosis. This can be overcome by the E1B55K and the E4Orf6 proteins that will form a complex with p53 and cause it to be degraded (Matsushita et al., Journal of General Virology (2004), 85, 2209-2214; Meier et al., Viruses 2020, 12, 662;). A copy of ElA under the control of CMV promoter was added to the helper plasmid #3 to create helper plasmid #4 (Figure 13). The location of ElA
was between E4 and VA RNA I/11. The results indicated that helper #4 further improved AAV
titers as shown in Figure 14. rAAV production titers were assessed using the clone 1 and 4 HEK293-derived host cells.
[00208] New helper plasmids #5, #6, #7, #8 and #9 It is known that E2A, E4 and VA RNA I/II
microRNA are essential helper components for AAV production (Meier et al., Viruses 2020, 12, 662; doi:10.3390/v12060662). In the current helper plasmids #1-4, L4 100K/hexon assembly and L4 22K/33K were kept in the helper plasmid #3 because their genes are located between the E2A
promoter and E2A open reading frame. This region might be important since two transcription starting sites (TSS) are located at this region as documented from the long-read direct RNA sequencing study of Donovan-Banfield et al., (Communication Biology (2020) 3:124). To test whether these two sequences could be removed while maintaining high titer, several mutations were generated based on helper #3 (Table 2). The analysis of all these mutations indicated that helper #5 and helper #8 gave similar titers or slightly higher titers than the helper plasmid #3 (Figure 15). rAAV production titers were assessed using the clone 1 and 4 HEK293-derived host cells. In the helper plasmid #5, N-terminal region of encoded hexon assembly was removed, while in helper plasmid #8 the start codon was mutated for the hexon assembly region. On the other hand, all mutants in which L4 22K/33K start codon was mutated showed decrease in titers indicating that L4 22K/33K might be important for AAV production.
These findings accord with the reported effect of L4 22K deletion, which resulted in continuous increase in E2A (DBP) expression in later phases and subsequently had a negative impact on E4 expression (Wu et al., Journal of Virology (2012) p.10474-10483; Guimet et al., Journal of Virology (2013) p.7688-7699).
[00209] The new helper plasmids also improve the quality of rAAV particles produced.
Compared to a production run performed with original helper in the transfection process transferred to a 200L production bioreactor, viral vector encoding transgene A
production performed with a Helper #5 transfection process resulted in significantly increased % full capsids (compare 36.2% to 71.9% full, as measured by AUC).
Table 2. Mutation of hexon assembly and L4 22K/33K gene based on helper plasmid #3 Plasmid Size Hexon Assembly L4 Helper #5 8.2Kb Partial deletion Helper #6 8.2Kb Partial deletion Mutation (stop codon) Helper #7 10.0Kb Mutation (stop codon) Helper #8 10.0Kb Mutation (stop codon) Helper #9 10Kb Mutation (stop codon) Mutation (stop codon) [00210] While the disclosed methods have been described in connection with what is presently considered to be the most practical and preferred embodiments, it is to be understood that the methods encompassed by the disclosure are not to be limited to the disclosed cmbodimcnts, but on the contrary, is intcndcd to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
[00211] All publications, patents, patent applications, internet sites, and accession numbers/database sequences including both polynucleotide and polypeptide sequences cited herein are hereby incorporated by reference herein in their entirety for all purposes to the same extent as if each individual publication, patent, patent application, internet site, or accession number/database sequence were specifically and individually indicated to be so incorporated by reference.
44;
[110.] the method of any one of [95] to [109], wherein the cell culture has a volume between about 50 liters and about 20,000 liters;
[111.] the method of any one of [95] to [110], wherein the rAAV particles comprise a capsid protein of the AAV1, AAV2, AAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15 and AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, or AAV.HSC16 serotype;
[112.] the method of any one of [95] to [110], wherein the rAAV particles comprise a capsid protein of the AAV8, AAV9, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, or AAV.hu37 serotype;
[113.] the method of any one of 11951 to [110], wherein the rAAV particles comprise a capsid protein of the AAV8 or AAV9 serotype;
[114.] the method of any one of [95] to [110], wherein the gene product is a polypeptide or a double stranded RNA molecule;
[115.] the method of [114], wherein the gene product is a polypeptide;
[116.] the method of [115], wherein the gene product is anti-VEGF Fab, anti-kallikrein antibody, anti-TNF antibody, microdystrophin, minidystrophin, iduronidasc (IDUA), iduronatc 2-sulfatase (IDS), low-density lipoprotein receptor (LDLR), tripeptidyl peptidase 1 (TPP1), or non-membrane associated splice variant of VEGF receptor 1 (sFlt-1);
[117.] the method of [115], wherein the gene product is an gamma-sarcoglycan, Rab Escort Protein 1 (REP1/CHM), retinoid isomerohydrolase (RPE65), cyclic nucleotide gated channel alpha 3 (CNGA3), cyclic nucleotide gated channel beta 3 (CNGB3), aromatic L-amino acid decarboxylase (AADC), lysosome-associated membrane protein 2 isoform B
(LAMP2B), Factor VIII, Factor IX, retinitis pigmentosa GTPase regulator (RPGR), retinoschisin (RS1), sarcoplasmic reticulum calcium ATPase (SERCA2a), aflibercept, battenin (CLN3), transmembrane ER protein (CLN6), glutamic acid decarboxylase (GAD), Glial cell line-derived neurotrophic factor (GDNF), aquaporin 1 (AQP1), dystrophin, myotubularin 1 (MTM1), follistatin (FST), glucose-6-phosphatase (G6Pase), apolipoprotein A2 (AP0A2), uridine diphosphate glucuronosyl transferase 1A1 (UGT1A1), arylsulfatase B (ARSB), N-acetyl-alpha-glucosaminidase (NAGLU), alpha-glucosidase (GAA), alpha-galactosidase (GLA), beta-galactosidasc (GLB1), lipoprotein lipase (LPL), alpha 1-antitrypsin (AAT), phosphodiesterase 6B
(PDE6B), ornithine carbamoyltransferase 90TC), survival motor neuron (SMN1), survival motor neuron (SMN2), neurturin (NRTN), Neurotrophin-3 (NT-3/NTF3), porphobilinogen deaminase (PBGD), nerve growth factor (NGF), mitochondrially encoded NADH:ubiquinone oxidoreductase core subunit 4 (MT-ND4), protective protein cathepsin A (PPCA), dysferlin, MER proto-oncogene, tyrosine kinase (MERTK), cystic fibrosis transmembrane conductance regulator (CFTR), or tumor necrosis factor receptor (TNFR)-immunoglobulin (IgG1) Fc fusion;
[118.] the method of [115], wherein the gene product is a dystrophin or a microdystrophin;
[119.] the method of [114], wherein the gene product is a microRNA.
[0017] Still other features and advantages of the compositions and methods described herein will become more apparent from the following detailed description when read in conjunction with the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1. The pAdDeltaF6 reference helper plasmid.
[0019] Figure 2. Helper plasmid #1 map.
[0020] Figure 3. Helper #1 improved AAV titers. Fold change in rAAV production titer relative to titer obtained using pAdDeltaF6 Original/Old helper and clone 1-P8 is shown.
[0021] Figure 4. Helper plasmid #2 map.
[0022] Figure 5. Helper #2 plasmid improved AAV titers. Fold change in rAAV
production titer relative to titer obtained using pAdDeltaF6 Original/Old helper and clone 1 is shown.
[0023] Figure 6. Screening of E4 variants. Fold change in rAAV production titer relative to titer obtained using a helper comprising whole E4 is shown.
[0024] Figure 7. Helper #3 plasmid map.
[0025] Figure 8. Helper #3 further improved AAV titers. Fold change in rAAV
production titer relative to titer obtained using pAdDeltaF6 Original/Old helper and clone 1 (5e6) is shown.
[0026] Figure 9. Helper #3 further improved AAV titers. Fold change in rAAV
production titer relative to titer obtained using pAdDeltaF6 Original/Old helper and clone 1 (5e6) is shown.
[0027] Figure 10. Addition of Boca virus genes NP1 and NS2 to helper plasmid #2.
[0028] Figure 11. Addition of Boca virus helper genes did not improve AAV
titers. Fold change in rAAV production titer relative to titer obtained using pAdDeltaF6 Original/Old helper and clone 1 is shown.
[0029] Figure 12. Addition of AAP to helper #3.
[0030] Figure 13. Helper plasmid #4 map.
[0031] Figure 14. Effect of adding AAP and El A on the virus titers. Fold change in rAAV
production titer relative to titer obtained using pAdDeltaF6 Original/Old helper and clone 1 is shown.
[0032] Figure 15. Effect of mutations in hexon assembly and L4 22K/33K
sequences on AAV
titers. Fold change in rAAV production titer relative to titer obtained using New Helper #3 and clone 1 is shown.
DETAILED DESCRIPTION
[0033] In one aspect, provided herein are improved recombinant polynucleotides and plasmids encoding helper functions suitable for use in the production of recombinant AAV particles. In some embodiments, the recombinant polynucleotides and plasmids encode one or more of an adenovirus E2A DNA binding protein, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA
I. In some embodiments, the polynucleotides and plasmids do not comprise a nucleotide sequence encoding an adenovirus ITR sequence, L3 23K endoprotease, L5 pVI/fibre, and/or L4 pVIII/hexon-associated precursor. In some embodiments, the polynucleotides and plasmids are smaller than previously available polynucleotides and plasmids encoding helper functions suitable for use in the production of recombinant AAV particles. In some embodiments, use of the improved polynucleotides and plasmids described herein in the production of recombinant AAV particles results in increased rAAV yield.
DEFINITIONS
[0034] Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure is related. To facilitate an understanding of the disclosed methods, a number of terms and phrases are defined below.
[0035] "AAV" is an abbreviation for adeno-associated virus, and may be used to refer to the virus itself or modifications, derivatives, or pseudotypes thereof. The term covers all subtypes and both naturally occurring and recombinant forms, except where required otherwise. The abbreviation "rAAV" refers to recombinant adeno-associated virus. The term "AAV" includes AAV type 1 (AAV1), AAV type 2 (AAV2), AAV type 3 (AAV3), AAV type 4 (AAV4), AAV
type 5 (AAV5), AAV type 6 (AAV6), AAV type 7 (AAV7), AAV type 8 (AAV8), AAV
type 9 (AAV9), avian AAV, bovine AAV, canine AAV, equine AAV, primate AAV, non-primate AAV, and ovine AAV, and modifications, derivatives, or pseudotypes thereof.
"Primate AAV" refers to AAV that infect primates, "non-primate AAV' refers to AAV that infect non-primate mammals, "bovine AAV" refers to AAV that infect bovine mammals, etc.
[0036] "Recombinant" , as applied to an AAV particle means that the AAV
particle is the product of one or more procedures that result in an AAV particle construct that is distinct from an AAV
particle in nature.
[0037] A recombinant adeno-associated virus particle "rAAV particle" refers to a viral particle composed of at least one AAV capsid protein and an encapsidated polynucleotide rAAV vector genome comprising a heterologous polynucleotide (i.e. a polynucleotide other than a wild-type AAV genome such as a transgene to be delivered to a mammalian cell). The rAAV
particle may be of any AAV serotype, including any modification, derivative or pseudotype (e.g., AAV1, AAV2, AAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, or AAV10, or derivatives/modifications/pseudotypes thereof). Such AAV serotypes and derivatives/modifications/pseudotypes, and methods of producing such serotypes/derivatives/modifications/ pseudotypes are known in the art (see, e.g., Asokan et al., Mol. Ther. 20(4):699-708 (2012).
[0038] The rAAV particles of the disclosure may be of any serotype, or any combination of serotypes, (e.g., a population of rAAV particles that comprises two or more serotypes, e.g., comprising two or more of rAAV2, rAAV8, and rAAV9 particles). In some embodiments, the rAAV particles are rAAV1, rAAV2, rAAV3, rAAV4, rAAV5, rAAV6, rAAV7, rAAV8, rAAV9, rAAV10, or other rAAV particles, or combinations of two or more thereof). In some embodiments, the rAAV particles are rAAV8 or rAAV9 particles.
[0039] In some embodiments, the rAAV particles have an AAV capsid protein of a serotype selected from the group consisting of AAV1, AAV2, AAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15 and AAV16 or a derivative, modification, or pseudotype thereof. In some embodiments, the rAAV particles have an AAV
capsid protein of a serotype of AAV8, AAV9, or a derivative, modification, or pseudotype thereof.
[0040] The term "cell culture," refers to cells grown adherent or in suspension, bioreactors, roller bottles, hyperstacks, microspheres, macrospheres, flasks and the like, as well as the components of the supernatant or suspension itself, including but not limited to rAAV
particles, cells, cell debris, cellular contaminants, colloidal particles, biomolecules, host cell proteins, nucleic acids, and lipids, and flocculants. Large scale approaches, such as bioreactors, including suspension cultures and adherent cells growing attached to microcarriers or macrocarriers in stirred bioreactors, are also encompassed by the term "cell culture." Cell culture procedures for both large and small-scale production of proteins are encompassed by the present disclosure. In some embodiments, the term "cell culture" refers to cells grown in suspension. In some embodiments, the term "cell culture" refers to adherent cells grown attached to microcarriers or macrocarriers in stirred bioreactors. In some embodiments, the term "cell culture" refers to cells grown in a perfusion culture. In some embodiments, the term "cell culture" refers to cells grown in an alternating tangential flow (ATF) supported high-density perfusion culture.
[0041] The terms "purifying", "purification", "separate", "separating", "separation", "isolate", "isolating", or "isolation", as used herein, refer to increasing the degree of purity of a target product, e.g., rAAV particles and rAAV genome from a sample comprising the target product and one or more impurities. Typically, the degree of purity of the target product is increased by removing (completely or partially) at least one impurity from the sample. In some embodiments, the degree of purity of the rAAV in a sample is increased by removing (completely or partially) one or more impurities from the sample by using a method described herein.
[0042] "About" modifying, for example, the quantity of an ingredient in the compositions, concentration of an ingredient in the compositions, flow rate, rAAV particle yield, feed volume, salt concentration, and like values, and ranges thereof, employed in the methods provided herein, refers to variation in the numerical quantity that can occur, for example, through typical measuring and handling procedures used for making concentrates or use solutions; through inadvertent error in these procedures; through differences in the manufacture, source, or purity of the ingredients employed to make the compositions or carry out the methods;
and like considerations. The term "about" also encompasses amounts that differ due to aging of a composition with a particular initial concentration or mixture. The term "about" also encompasses amounts that differ due to mixing or processing a composition with a particular initial concentration or mixture. Whether or not modified by the term "about" the claims include equivalents to the quantities. In some embodiments, the term ''about" refers to ranges of approximately 10-20% greater than or less than the indicated number or range.
In further embodiments, "about" refers to plus or minus 10% of the indicated number or range. For example, "about 10%" indicates a range of 9% to 11%.
[0043] As used in the present disclosure and claims, the singular forms "a", "an" and "the"
include plural forms unless the context clearly dictates otherwise.
[0044] It is understood that wherever embodiments are described herein with the language "comprising" otherwise analogous embodiments described in terms of "consisting of' and/or "consisting essentially of" are also provided. It is also understood that wherever embodiments are described herein with the language "consisting essentially of" otherwise analogous embodiments described in terms of "consisting of" are also provided.
[0045] The term "and/or" as used in a phrase such as "A and/or B" herein is intended to include both A and B; A or B; A (alone); and B (alone). Likewise, the term "and/or" as used in a phrase such as "A, B, and/or C" is intended to encompass each of the following embodiments: A, B, and C; A, B, or C; A or C; A or B; B or C; A and C; A and B; B and C; A (alone); B
(alone); and C
(alone).
[0046] Where embodiments of the disclosure arc described in tcrms of a Markush group or other grouping of alternatives, the disclosed method encompasses not only the entire group listed as a whole, but also each member of the group individually and all possible subgroups of the main group, and also the main group absent one or more of the group members. The disclosed methods also envisage the explicit exclusion of one or more of any of the group members in the disclosed methods.
RECOMBINANT POLYNUCLEOTIDES
[0047] In some embodiments, the disclosure provides an isolated recombinant polynucleotide encoding one or more helper functions that are capable of promoting production of recombinant AAV particles in a host cell, e.g., an HEK cell. In some embodiments, an isolated recombinant polynucleotide described herein comprises one or more of (a) a nucleotide sequence encoding an adenovirus E2A DNA binding protein (DBP); (b) a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide; and (c) a nucleotide sequence encoding an adenovirus VA
RNA I. In some embodiments, the nucleotide sequence encoding an adenovirus VA
RNA I
encodes an adcnovirus VA RNA I and VA RNA II. In some embodiments, the isolated recombinant polynucleotide does not comprise a nucleotide sequence encoding an adenovirus ITR sequence, L3 23K endoprotease, L5 pVI/fibre, and/or L4 pVIII/hexon-associated precursor.
In some embodiments, the nucleotide sequence encoding the adenovirus ITR
sequence, L3 23K
endoprotease, L5 pVI/fibre, and/or L4 pVIII/hexon-associated precursor is the corresponding nucleotide sequence of pAdDeltaF6. In some embodiments, a nucleotide sequence encoding a protein or polypeptide (e.g., E2A DBP or E4 ORF6 and ORF7), or RNA (e.g., VA
RNA I) comprises a promoter operably linked to a nucleotide sequence comprising the coding region for the protein or polypeptide, or RNA. In some embodiments, a nucleotide sequence encoding a protein or polypeptide comprises a promoter and a polyA signal operably linked to a nucleotide sequence comprising the coding region.
[0048] In some embodiments, an isolated recombinant polynucleotide described herein comprises a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I. In some embodiments, an isolated recombinant polynucleotide described herein comprises a nucleotide sequence encoding an adenovirus E2A DBP, and a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide. In some embodiments, an isolated recombinant polynucleotide described herein comprises a nucleotide sequence encoding an adenovirus E2A DBP, and a nucleotide sequence encoding an adenovirus VA RNA
I. In some embodiments, an isolated recombinant polynucleotide described herein comprises a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I. In some embodiments, an isolated recombinant polynucleotide described herein comprises a nucleotide sequence encoding an adenovirus E2A
DBP. In some embodiments, an isolated recombinant polynucleotide described herein comprises a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide. In some embodiments, an isolated recombinant polynucleotide described herein comprises a nucleotide sequence encoding an adenovirus VA RNA I. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA I encodes an adenovirus VA RNA I and VA RNA IL
In some embodiments, the isolated recombinant polynucleotide does not comprise a nucleotide sequence encoding an adenovirus ITR sequence, L3 23K endoprotease, L5 pVI/fibre, and/or pVIII/hexon-associated precursor. In some embodiments, the nucleotide sequence encoding the adcnovirus ITR sequence, L3 23K endoprotease, L5 pVI/fibre, and/or L4 pVIII/hexon-associated precursor is the corresponding nucleotide sequence of pAdDeltaF6. In some embodiments of the isolated recombinant polynucleotide, the nucleotide sequence encoding the adenovirus E2A DBP
and the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 are in opposite 5' to 3' orientation. In some embodiments of the isolated recombinant polynucleotide, the nucleotide sequence encoding the adenovirus E2A DBP and the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 are in the same 5' to 3 orientation.
[0049] In some embodiments, an isolated recombinant polynucleotide described herein comprises a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I, wherein the nucleotide sequence encoding the adenovirus E2A DBP and the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 are in opposite 5' to 3' orientation, and wherein the isolated recombinant polynucleotide does not comprise a nucleotide sequence encoding an adenovirus ITR sequence, L3 23K endoprotease, L5 pVI/fibre, and/or L4 pVIII/hexon-associated precursor. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA I encodes an adenovirus VA RNA I and VA RNA II.
Adenovirus E2A DNA binding protein [0050] In some embodiments, the nucleotide sequence encoding an adenovirus E2A
DBP
comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 1. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 1. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 1. In some embodiments, the nucleotide sequence encoding an adenovirus E2A
DBP comprises a nucleotide sequence having at least 98% identity to SEQ ID NO:
1. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP comprises SEQ ID NO:
1. In some embodiments, the adenovirus E2A DBP polypeptide comprises an amino acid sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 45. In some embodiments, the adenovirus E2A
DBP polypeptide comprises an amino acid sequence having at least 90% identity to SEQ ID NO:
45. In some embodiments, the adenovirus E2A DBP polypeptide comprises an amino acid sequence having at least 95% identity to SEQ ID NO: 45. In some embodiments, the adenovirus E2A DBP polypeptide comprises an amino acid sequence having at least 98%
identity to SEQ ID
NO: 45. In some embodiments, the adenovirus E2A DBP polypeptide comprises the amino acid sequence of SEQ Ill NO: 45. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP is operably linked to a promoter and to a polyA signal.
[0051] In some embodiments, the nucleotide sequence encoding an adenovirus E2A
DBP
comprises a nucleotide sequence encoding a polypeptide comprising an amino acid sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 45. In sonic embodiments, the adenovirus polypeptide comprises an amino acid sequence having at least 90% identity to SEQ ID NO: 45. In some embodiments, the adenovirus E2A DBP polypeptide comprises an amino acid sequence having at least 95% identity to SEQ ID NO: 45. In some embodiments, the adenovirus E2A DBP
polypeptide comprises an amino acid sequence having at least 98% identity to SEQ ID NO: 45. In some embodiments, the adenovirus E2A DBP polypeptide comprises the amino acid sequence of SEQ ID NO: 45. In some embodiments, the nucleotide sequence encoding an adenovirus E2A
DBP is operably linked to a promoter and to a polyA signal.
[0052] In some embodiments, the nucleotide sequence encoding an adenovirus E2A
DBP is operably linked to an adenovirus E2A promoter. In some embodiments, the adenovirus E2A
promoter comprises a nucleotide sequence comprising at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ
ID NO: 2. In some embodiments, the adenovirus E2A promoter comprises a nucleotide sequence comprising at least 95% identity to SEQ ID NO: 2. In some embodiments, the adenovirus E2A promoter comprises the nucleotide sequence of SEQ ID NO: 2. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP is operably linked to a promoter that is not an adenovirus E2A
promoter.
[0053] In some embodiments, the nucleotide sequence encoding an adenovirus E2A
DBP
operably linked to an adenovirus E2A promoter, and optionally a polyA signal, encompasses, from 3' to 5', the adenovirus E2A promoter, an adenovirus L4 22K/33K gene, an adenovirus L4 100k/hexon assembly gene, the nucleotide sequence encoding an adenovirus E2A
DBP and optionally the polyA signal. In some embodiments, the relative orientation of the adenovirus E2A
promoter, adenovirus L4 22K/33K gene, adenovirus L4 100k/hexon assembly gene, nucleotide sequence encoding an adenovirus E2A DBP and optional polyA signal is the same as in pAdDeltaF6. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP
operably linked to an adenovirus E2A promoter comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 %
identity to SEQ ID NO: 3. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A promoter comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 3. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A
promoter comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 3.
In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A promoter comprises a nucleotide sequence having at least 98%
identity to SEQ
ID NO: 3. In some embodiments, the nucleotide sequence encoding an adenovirus operably linked to an adenovirus E2A promoter comprises the nucleotide sequence of SEQ ID
NO: 3. In some embodiments, the nucleotide sequence encoding an adenovirus E2A
DBP
operably linked to an adenovirus E2A promoter and polyA signal comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 4. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A promoter and polyA
signal comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 4. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A promoter and polyA signal comprises a nucleotide sequence having at least 95%
identity to SEQ ID NO: 4. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A promoter and polyA
signal comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 4.
In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A promoter and polyA signal comprises the nucleotide sequence of SEQ ID NO: 4.
[0054] In some embodiments, the nucleotide sequence encoding an adenovirus E2A
DBP
operably linked to an adenovirus E2A promoter encompasses, from 3' to 5', the adenovirus E2A
promoter, an adenovirus L4 22K/33K gene, an adenovirus L4 100k/hexon assembly gene, the nucleotide sequence encoding an adenovirus E2A DBP, wherein the adenovirus L4 100k/hexon assembly gene comprises an N terminal deletion of the L4 100k/hexon assembly polypeptide. In some embodiments, the N terminal deletion does not affect the L4 100k/hexon assembly promoter. In some embodiments, the N terminal deletion corresponds to the sequence of SEQ ID
NO: 21. In some embodiments, the relative orientation of the adenovirus E2A
promoter, adenovirus L4 22K/33K gene, adenovirus L4 100k/hexon assembly gene and nucleotide sequence encoding an adenovirus E2A DBP is the same as in pAdDeltaF6. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A
promoter comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO:
22. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A promoter comprises a nucleotide sequence having at least 90%
identity to SEQ
ID NO: 22. In some embodiments, the nucleotide sequence encoding an adenovirus operably linked to an adenovirus E2A promoter comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 22. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A promoter comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 22. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A
promoter comprises the nucleotide sequence of SEQ ID NO: 22. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP and adenovirus E2A promoter further comprises an operably linked polyA signal.
[0055] In some embodiments, the nucleotide sequence encoding an adenovirus E2A
DBP
operably linked to an adenovirus E2A promoter encompasses, from 3' to 5', the adenovirus E2A
promoter, an adenovirus L4 22K/33K gene, an adenovirus L4 100k/hexon assembly gene, the nucleotide sequence encoding an adenovirus E2A DBP, wherein the adenovirus L4 100k/hexon assembly gene comprises a mutation in the start codon of the L4 100k/hexon assembly polypeptide. In some embodiments, the relative orientation of the adenovirus E2A promoter, adenovirus L4 22K133K gene, adenovirus L4 100k/hexon assembly gene and nucleotide sequence encoding an adenovirus E2A DBP is the same as in pAdDeltaF6. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A
promoter comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO:
23. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A promoter comprises a nucleotide sequence having at least 90%
identity to SEQ
Ill NO: 23. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP
operably linked to an adenovirus E2A promoter comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 23. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A promoter comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 23. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A
promoter comprises the nucleotide sequence of SEQ ID NO: 23. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP and adenovirus E2A promoter further comprises an operably linked polyA signal.
[0056] In some embodiments, the nucleotide sequence encoding an adenovirus E2A
DBP
operably linked to an adenovirus E2A promoter encompasses, from 3' to 5', the adenovirus E2A
promoter, an adenovirus L4 22K/33K gene, an adenovirus L4 100k/hexon assembly gene, the nucleotide sequence encoding an adenovirus E2A DBP, wherein the adenovirus L4 gene comprises a mutation in the start codon of the L4 22K/33K polypeptide. In some embodiments, the relative orientation of the adenovirus E2A promoter, adenovirus L4 22K/33K
gene, adenovirus L4 100k/hexon assembly gene and nucleotide sequence encoding an adenovirus E2A DBP is the same as in pAdDeltaF6. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A promoter comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 24. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A
promoter comprises a nucleotide sequence having at least 90% identity to SEQ
ID NO: 24. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP
operably linked to an adenovirus E2A promoter comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 24. In some embodiments, the nucleotide sequence encoding an adenovirus E2A
DBP operably linked to an adenovirus E2A promoter comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 24. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A promoter comprises the nucleotide sequence of SEQ ID NO: 24. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP and adenovirus E2A promoter further comprises an operably linked polyA signal.
[0057] In some embodiments, the nucleotide sequence encoding an adenovirus E2A
DBP
operably linked to an adenovirus E2A promoter encompasses, from 3' to 5', the adenovirus E2A
promoter, an adenovirus L4 22K/33K gene, an adenovirus L4 100k/hexon assembly gene, the nucleotide sequence encoding an adenovirus E2A DBP, wherein the L4 100k/hexon assembly gene comprises an N terminal deletion of the L4 100k/hexon assembly polypeptide that encompasses the start codon of L4 100k/hexon assembly polypeptide but does not encompass the start codon of the L4 22K/33K polypeptide. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A promoter encompasses, from 3' to 5', the adenovirus E2A promoter, an adenovirus L4 22K/33K gene, an adenovirus L4 100k/hexon assembly gene, the nucleotide sequence encoding an adenovirus E2A
DBP, wherein the L4 100k/hexon assembly gene comprises an N terminal deletion of the L4 100k/hexon assembly polypeptide, wherein all or part of the L4 100k/hexon assembly polypeptide is deleted without disrupting the L4 22K/33K start codon. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A promoter encompasses, from 3' to 5', the adenovirus E2A promoter, an adenovirus L4 22K/33K gene, an adenovirus L4 100k/hexon assembly gene, the nucleotide sequence encoding an adenovirus E2A
DBP, wherein the L4 100k/hexon assembly gene comprises an N terminal deletion of the L4 100k/hexon assembly polypeptide that encompasses the start codon of L4 100k/hexon assembly polypeptide but does not encompass the L4 22K/33K promoter. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP operably linked to an adenovirus E2A
promoter encompasses, from 3' to 5', the adenovirus E2A promoter, an adenovirus L4 22K/33K gene, an adenovirus L4 100k/hexon assembly gene, the nucleotide sequence encoding an adenovirus E2A
DBP, wherein the L4 100k/hexon assembly gene comprises an N terminal deletion of the L4 100k/hexon assembly polypeptide that starts at the start codon of L4 100k/hexon assembly polypeptide and ends immediately adjacent to the L4 22K/33K promoter. In some embodiments, the relative orientation of the adenovirus E2A promoter, adenovirus L4 22K/33K
gene, adenovirus L4 100k/hexon assembly gene and nucleotide sequence encoding an adenovirus E2A
DBP is the same as in pAdDeltaF6. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP and adenovirus E2A promoter further comprises an operably linked polyA
signal.
[0058] In some embodiments, the nucleotide sequence encoding an adenovirus E2A
DBP is operably linked to a CMV immediate early promoter. In some embodiments, the nucleotide sequence encoding an adenovirus E2A DBP is operably linked to an engineered CMV immediate early promoter, or a transcriptionally active fragment or portion thereof.
[0059] In some embodiments, the nucleotide sequence encoding an adenovirus E2A
DBP is operably linked to an inducible promoter.
Adenovirus E4 ORF6 and ORF7 polypeptide [0060] In some embodiments, the nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 8. In some embodiments, the nucleotide sequence encoding an adenovirus E4 ORF6 and polypeptide comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 8. In some embodiments, the nucleotide sequence encoding an adenovirus E4 ORF6 and polypeptide comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 8. In some embodiments, the nucleotide sequence encoding an adenovirus E4 ORF6 and polypeptide comprises a nucleotide sequence having at least 98% identity to SEQ Ill NO: 8. In some embodiments, the nucleotide sequence encoding an adenovirus E4 ORF6 and polypeptide comprises SEQ ID NO: 8. In some embodiments, the adenovirus E4 ORF6 and ORF7 polypeptide comprises an amino acid sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 46.
In some embodiments, the adenovirus E4 ORF6 and ORF7 polypeptide comprises an amino acid sequence having at least 90% identity to SEQ ID NO: 46. In some embodiments, the adenovirus E4 ORF6 and ORF7 polypeptide comprises an amino acid sequence having at least 95% identity to SEQ ID NO: 46. In some embodiments, the adenovirus E4 ORF6 and ORF7 polypeptide comprises an amino acid sequence having at least 98% identity to SEQ ID NO:
46. In some embodiments, the adenovirus E4 ORF6 and ORF7 polypeptide comprises the amino acid sequence of SEQ ID NO: 46. In some embodiments, the nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide is operably linked to a promoter and to a polyA
signal.
[0061] In some embodiments, the nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide comprises a nucleotide sequence encoding a polypeptide comprising an amino acid sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ Ill NO: 46. In some embodiments, the adenovirus E4 ORF6 and ORF7 polypeptide comprises an amino acid sequence having at least 90%
identity to SEQ ID NO: 46. In some embodiments, the adenovirus E4 ORF6 and ORF7 polypeptide comprises an amino acid sequence having at least 95% identity to SEQ ID NO:
46. In some embodiments, the adenovirus E4 ORF6 and ORF7 polypeptide comprises an amino acid sequence having at least 98% identity to SEQ ID NO: 46. In some embodiments, the adenovirus E4 ORF6 and ORF7 polypeptide comprises the amino acid sequence of SEQ ID NO: 46. In some embodiments, the nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide is operably linked to a promoter and to a polyA signal.
[0062] In some embodiments, the nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide is operably linked to an adenovirus E4 promoter. In some embodiments, the adenovirus E4 promoter comprises a nucleotide sequence comprising at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 %
identity to SEQ ID
NO: 5. In some embodiments, the adenovirus E4 promoter comprises a nucleotide sequence comprising at least 95% identity to SEQ ID NO: 5. In some embodiments, the adenovirus E4 promoter comprises the nucleotide sequence of SEQ ID NO: 5. In some embodiments, the nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide is operably linked to a promoter that is not an adenovirus E4 promoter.
[0063] In some embodiments, the nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide is operably linked to a CMV immediate early promoter. In some embodiments, the nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide is operably linked to an engineered CMV immediate early promoter, or a transcriptionally active fragment or portion thereof.
[0064] In some embodiments, the nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide is operably linked to an inducible promoter.
Adenovirus VA RNA
[0065] In some embodiments, the nucleotide sequence encoding an adenovirus VA
RNA I
comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 54. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA I comprises a nucleotide sequence having at least 90 % identity to SEQ ID NO: 54. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA I comprises a nucleotide sequence having at least 95 % identity to SEQ ID NO: 54. In some embodiments, the nucleotide sequence encoding an adenovirus VA
RNA I comprises a nucleotide sequence having at least 98 % identity to SEQ ID
NO: 54. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA I comprises SEQ ID
NO: 54.
[0066] In some embodiments, the nucleotide sequence encoding an adenovirus VA
RNA II
comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 55. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA II comprises a nucleotide sequence having at least 90 % identity to SEQ ID NO: 55. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA II comprises a nucleotide sequence having at least 95 %
identity to SEQ ID NO: 55. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA II comprises a nucleotide sequence having at least 98 %
identity to SEQ ID
NO: 55. In some embodiments, the nucleotide sequence encoding an adenovirus VA
RNA II
comprises SEQ Ill NO: 55.
[0067] In some embodiments, the nucleotide sequence encoding an adenovirus VA
RNA I and VA RNA II comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ
ID NO: 9. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA I and VA
RNA II
comprises a nucleotide sequence having at least 90 % identity to SEQ ID NO: 9.
In sonic embodiments, the nucleotide sequence encoding an adenovirus VA RNA I and VA
RNA II
comprises a nucleotide sequence having at least 95 % identity to SEQ ID NO: 9.
In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA I and VA
RNA II
comprises a nucleotide sequence having at least 98 % identity to SEQ ID NO: 9.
In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA I and VA
RNA II
comprises SEQ ID NO: 9.
Polynuclentides encoding E2A DRP, E4 0RF6/7 and VA RNA
[0068] In some embodiments, an isolated recombinant polynucleotide described herein comprises a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA I encodes an adenovirus VA RNA I and VA RNA II. In some embodiments, the promoter expressing the adenovirus E2A DBP and the promoter expressing the adenovirus E4 ORF6 and ORF7 polypeptide are the same. In some embodiments, the promoter expressing the adenovirus E2A DBP and the promoter expressing the adenovirus E4 ORF6 and ORF7 polypeptide are different.
[0069] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 10. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 10. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 10. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 10. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 10.
[0070] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 11. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 11. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 11. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 11. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 11.
[0071] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 56. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 56. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 56. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 56. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 56.
[0072] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 57. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 57. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 57. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 57. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 57.
[0073] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 25. In some embodiments, thc isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 25. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ Ill NO: 25. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 25. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 25.
[0074] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 26. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 26. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 26. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 26. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 26.
[0075] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 27. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 27. In sonic embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 27. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 27. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 27.
[0076] In somc embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA 11 comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 28. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 28. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 28. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 28. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 28.
[0077] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 29. In some embodiments, thc isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 29. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ Ill NO: 29. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 29. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 29.
[0078] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 30. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 30. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 30. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 30. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 30.
[0079] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 31. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 31. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 31. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 31. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 31.
[0080] In somc embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA 1 and VA RNA 11 comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 32. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 32. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 32. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 32. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 32.
[0081] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adcnovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ Ill NO: 33. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 33. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 33. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 33. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 33.
[0082] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 34. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID
NO: 34. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 34. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 34. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 34.
Boca virus NP1 and NS2 polypeptides [0083] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I, and optionally VA RNA II, further comprises a nucleotide sequence encoding a Boca virus NP1 and NS2 polypeptides. In some embodiments, the nucleotide sequence encoding the Boca virus NP1 and NS2 polypeptides has at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 %
identity to SEQ ID NO:
12. In some embodiments, the nucleotide sequence encoding the Boca virus NP1 and NS2 polypeptides has at least 90% identity to SEQ ID NO: 12. In some embodiments, the nucleotide sequence encoding the Boca virus NP1 and NS2 polypeptides has at least 95%
identity to SEQ ID
NO: 12. In some embodiments, the nucleotide sequence encoding the Boca virus NP1 and NS2 polypeptides has at least 98% identity to SEQ Ill NO: 12. In some embodiments, the nucleotide sequence encoding the Boca virus NP1 and NS2 polypeptides comprises SEQ ID NO:
12. In some embodiments, the Boca virus NP1 and NS2 polypeptides comprise an amino acid sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 52. In some embodiments, the Boca virus NP1 and N52 polypeptides comprise an amino acid sequence having at least 90% identity to SEQ ID NO: 52. In some embodiments, the Boca virus NP1 and NS2 polypeptides comprise an amino acid sequence having at least 95% identity to SEQ ID NO: 52. In some embodiments, the Boca virus NP1 and NS2 polypeptides comprise an amino acid sequence having at least 98% identity to SEQ ID NO:
52. In some embodiments, the Boca virus NP1 and NS2 polypeptides comprise the amino acid sequence of SEQ ID NO: 52. In some embodiments, the nucleotide sequence encoding the Boca virus NP1 and NS2 polypeptides comprises a CMV promoter. In some embodiments, the nucleotide sequence encoding the Boca virus NP1 and N52 polypeptides comprises an engineered CMV inunediate early promoters.
[0084] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide, a nucleotide sequence encoding an adenovirus VA RNA 1 and VA RNA 11 and a Boca virus NP1 and NS2 polypeptides comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 13. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 13. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 13.
In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 13. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ
ID NO: 13.
[0085] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide, a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA 11 and a Boca virus NP1 and NS2 polypeptides comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 14. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 14. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 14.
In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 14. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ
ID NO: 14.
Adeno-associated virus assembly-activating protein [0086] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I, and optionally VA RNA II, further comprises a nucleotide sequence encoding an adeno-associated virus (AAV) assembly-activating protein (AAP). A
skilled artisan understands that the AAV AAP ORF overlaps with the AAV capsid ORF in the wild type virus, and consequently there are AAV serotype specific A APs, e.g., AAP 1 to 13 corresponding to AAV serotypes 1 to 13. Sonntag et al., Journal of Virology, 85: 12686-12697 (2011). In some embodiments the AAP is AAP 1, AAP 2, AAP 3B, AAP 4, AAP 5, AAP 6, AAP 7, AAP
8, AAP
9, AAP 10, AAP 11, AAP 12 or AAV 13. In some embodiments, the AAP isotype matches the capsid isotype of the recombinant AAV being produced. In some embodiments, the AAP is AAP
8. In some embodiments, the AAP is AAP 9. In some embodiments, the AAP
comprises an amino acid sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 53. In some embodiments, the AAP
comprises the amino acid sequence of SEQ ID NO: 53. In some embodiments, the nucleotide sequence encoding the AAV AAP has at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 15. In some embodiments, the nucleotide sequence encoding the AAV AAP has at least 90% identity to SEQ
ID NO: 15. In some embodiments, the nucleotide sequence encoding the AAV AAP has at least 95% identity to SEQ ID NO: 15. In some embodiments, the nucleotide sequence encoding the AAV
AAP has at least 98% identity to SEQ Ill NO: 15. In some embodiments, the nucleotide sequence encoding the AAV AAP comprises SEQ Ill NO: 15. In some embodiments, the AAV AAP
comprises an amino acid sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 53. In some embodiments, the AAV
AAP comprises an amino acid sequence having at least 90% identity to SEQ ID
NO: 53. In some embodiments, the AAV AAP comprises an amino acid sequence having at least 95%
identity to SEQ ID NO: 53. In sonic embodiments, the AAV AAP comprises an amino acid sequence having at least 98% identity to SEQ ID NO: 53. In some embodiments, the AAV AAP
comprises the amino acid sequence of SEQ ID NO: 53. In some embodiments, the nucleotide sequence encoding the AAV AAP comprises a CMV promoter. In some embodiments, the nucleotide sequence encoding the AAV AAP comprises an engineered CMV immediate early promoters.
[0087] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide, a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II and an adeno-associated virus (AAV) assembly-activating protein (AAP) comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ
ID NO: 16. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ Ill NO: 16. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 16. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 16.
In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 16.
[0088] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide, a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II and an adeno-associated virus (AAV) assembly-activating protein (AAP) comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ
ID NO: 17. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ Ill NO: 17. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 17. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 17.
In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ ID NO: 17.
Adenovirus ElA polypeptide [0089] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I, and optionally VA RNA II, further comprises a nucleotide sequence encoding an adenovirus ElA polypeptide. In some embodiments, the nucleotide sequence encoding the adenovirus ElA polypeptide has at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO:
18. In some embodiments, the nucleotide sequence encoding the adenovirus ElA polypeptide has at least 90%
identity to SEQ Ill NO: 18. In some embodiments, the nucleotide sequence encoding the adenovirus ElA polypeptide has at least 95% identity to SEQ ID NO: 18. In some embodiments, the nucleotide sequence encoding the adenovirus El A polypeptide has at least 98% identity to SEQ ID NO: 18. In some embodiments, the nucleotide sequence encoding the adenovirus ElA
polypeptide comprises SEQ ID NO: 18. In some embodiments, the adenovirus ElA
polypeptide comprises an amino acid sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 51.
In some embodiments, the adenovirus ElA polypeptide comprises an amino acid sequence having at least 90% identity to SEQ ID NO: 51. In some embodiments, the adenovirus ElA
polypeptide comprises an amino acid sequence having at least 95% identity to SEQ ID NO:
51. In some embodiments, the adenovirus ElA polypeptide comprises an amino acid sequence having at least 98% identity to SEQ ID NO: 51. In some embodiments, the adenovirus ElA
polypeptide comprises the amino acid sequence of SEQ ID NO: 51. In some embodiments, the nucleotide sequence encoding the adenovirus ElA polypeptide comprises a CMV promoter. In some embodiments, the nucleotide sequence encoding the adenovirus ElA polypeptide comprises an engineered CMV immediate early promoters.
[0090] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide, a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II and an adenovirus El A polypeptide comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 19. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 19. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 19.
In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 19. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ
ID NO: 19.
[0091] In some embodiments, an isolated recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide, a nucleotide sequence encoding an adenovirus VA RNA I and VA RNA II and an adenovirus ElA polypeptide comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ Ill NO: 20. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 20. In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 20.
In some embodiments, the isolated recombinant polynucleotide described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 20. In some embodiments, the isolated recombinant polynucleotide described herein comprises the nucleotide sequence of SEQ
ID NO: 20.
PLASMIDS
[0092] In some embodiments, the disclosure provides a plasmid comprising a recombinant polynucleotide described herein wherein the plasmid encodes one or more helper functions that are capable of promoting production of recombinant AAV particles in a host cell, e.g., an HEK
cell. In some embodiments, a plasmid described herein comprises a recombinant polynucleotide comprising one or more of (a) a nucleotide sequence encoding an adenovirus E2A
DNA binding protein (DBP); (b) a nucleotide sequence encoding an adenovirus E4 ORF6 and polypeptide; and (c) a nucleotide sequence encoding an adenovirus VA RNA I. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA I encodes an adenovirus VA RNA I and VA RNA II. In some embodiments, the plasmid does not comprise a nucleotide sequence encoding an adenovirus ITR sequence, L3 23K endoprotease, L5 pVI/fibre, and/or L4 pVIII/hexon-associated precursor. In some embodiments, the plasmid is a bacterial plasmid.
[0093] In some embodiments, a plasmid described herein comprises a bacterial replication origin capable of propagating the plasmid in a bacterial host cell, e.g., E. coli host cell. In some embodiments, the bacterial replication origin is a ColE1 origin.
[0094] In some embodiments, a plasmid described herein comprises a selectable marker gene. In some embodiments, the selectable marker gene is a drug resistance gene. In some embodiments, the selectable marker gene is a kanamycin resistance gene. In some embodiments, the selectable marker gene is an ampicillin resistance gene.
[0095] In some embodiments, a plasmid described herein comprises a bacterial replication origin and a selectable marker gene.
[0096] In some embodiments, a plasmid described herein comprises a recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A
DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I. In some embodiments, a plasmid described herein comprises a recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, and a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide. In some embodiments, a plasmid described herein comprises a recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A DBP, and a nucleotide sequence encoding an adenovirus VA RNA
I. In some embodiments, a plasmid described herein comprises a recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I. In some embodiments, a plasmid described herein comprises a recombinant polynucleotide described herein comprising a nucleotide sequence cncoding an adenovirus E2A DBP. In some embodiments, a plasmid described herein comprises a recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E4 ORF6 and polypeptide. In some embodiments, a plasmid described herein comprises a recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus VA
RNA T. In some embodiments, the nucleotide sequence encoding an adenovirus VA
RNA I
encodes an adenovirus VA RNA I and VA RNA II. In some embodiments, the plasmid does not comprise a nucleotide sequence encoding an adenovirus ITR sequence, L3 23K
endoprotease, L5 pVI/fibre, and/or L4 pVIII/hexon-associated precursor. In some embodiments, the nucleotide sequence encoding the adenovirus ITR sequence, L3 23K endoprotease, L5 pVI/fibre, and/or L4 pVIII/hexon-associated precursor is the corresponding nucleotide sequence of pAdDe1taF6.
[0097] In some embodiments, a plasmid described herein comprises a recombinant polynucleotide described herein comprising a nucleotide sequence encoding an adenovirus E2A
DBP, a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide and a nucleotide sequence encoding an adenovirus VA RNA I. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA I encodes an adenovirus VA RNA I and VA
RNA II.
[0098] In some embodiments, a plasmid described herein comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 10. In some embodiments, a plasmid described herein comprises the nucleotide sequence of SEQ ID NO: 10.
[0099] In some embodiments, a plasmid described herein comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 11. In some embodiments, a plasmid described herein comprises the nucleotide sequence of SEQ ID NO: 11.
[00100] In some embodiments, a plasmid described herein comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 25-34, 58 or 59. In some embodiments, a plasmid described herein comprises the nucleotide sequence of SEQ ID NO: 25-34, 58 or 59.
[00101] In some embodiments, a plasmid described herein is less than 15,000 bp long. In some embodiments, a plasmid described herein is less than 12,000 bp long. In some embodiments, a plasmid described herein is between 9,000 and 12,000 bp long.
[00102] In some embodiments, a plasmid described herein comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ Ill NO: 35. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 90% identity to SEQ Ill NO:
35. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 95%
identity to SEQ ID NO: 35. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 35. In some embodiments, the plasmid described herein comprises the nucleotide sequence of SEQ ID NO: 35.
[00103] In sonic embodiments, a plasmid described herein comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 36. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 36.
In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 95%
identity to SEQ ID NO: 36. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 36. In some embodiments, the plasmid described herein comprises the nucleotide sequence of SEQ ID NO: 36.
[00104] In some embodiments, a plasmid described herein comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 37. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 37.
In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 95%
identity to SEQ ID NO: 37. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 37. In some embodiments, the plasmid described herein comprises the nucleotide sequence of SEQ ID NO: 37.
[00105] In some embodiments, a plasmid described herein comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 38. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 38.
In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 95%
identity to SEQ ID NO: 38. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 38. In some embodiments, the plasmid described herein comprises the nucleotide sequence of SEQ ID NO: 38.
[00106] In some embodiments, a plasmid described herein comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ Ill NO: 39. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 39.
In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 95%
identity to SEQ ID NO: 39. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 39. In some embodiments, the plasmid described herein comprises the nucleotide sequence of SEQ ID NO: 39.
[00107] In some embodiments, a plasmid described herein comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 40. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 40.
In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 95%
identity to SEQ ID NO: 40. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 40. In some embodiments, the plasmid described herein comprises the nucleotide sequence of SEQ ID NO: 40.
[00108] In some embodiments, a plasmid described herein comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 41. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 90% identity to SEQ Ill NO:
41. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 95%
identity to SEQ ID NO: 41. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 41. In some embodiments, the plasmid described herein comprises the nucleotide sequence of SEQ ID NO: 41.
[00109]In some embodiments, a plasmid described herein comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 42. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 42.
In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 95%
identity to SEQ ID NO: 42. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 42. In some embodiments, the plasmid described herein comprises the nucleotide sequence of SEQ Ill NO: 42.
[00110]In some embodiments, a plasmid described herein comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 43. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 43.
In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 95%
identity to SEQ ID NO: 43. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 98% identity to SEQ ID NO: 43. In some embodiments, the plasmid described herein comprises the nucleotide sequence of SEQ ID NO: 43.
HOST CELLS
[00111]In some embodiments, the disclosure provides a host cell comprising a recombinant polynucleotide or a plasmid described herein. In some embodiments, the host cell is a prokaryotic cell capable of propagating a recombinant polynucleotide or a plasmid described herein. In some embodiments, the prokaryotic host cell is a bacterial cell. In some embodiments, the prokaryotic host cell is E. coll. In some embodiments, the host cell is a eukaryotic cell capable of producing recombinant AAV particles. In some embodiments, the eukaryotic host cell is a mammalian cell.
In some embodiments, the eukaryotic host cell is a 11EK293 cell, HEK derived cell, CHO cell.
CHO derived cell, HeLa cell, SF-9 cell, BHK cell, Vero cell, CAP cell, or PerC6 cell.
[00112]In some embodiments, a host cell described herein comprises a recombinant polynucleotide comprising one or more of (a) a nucleotide sequence encoding an adenovirus E2A
DNA binding protein (DBP); (b) a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide; and (c) a nucleotide sequence encoding an adenovirus VA RNA
T. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA I encodes an adenovirus VA RNA I and VA RNA II. In some embodiments, the recombinant polynucleotide does not comprise a nucleotide sequence encoding an adenovirus ITR sequence, L3 23K
endoprotease, L5 pVI/fibre, and/or L4 pVIII/hexon-associated precursor. In some embodiments, the plasmid is a bacterial plasmid.
[00113] In some embodiments, a host cell described herein comprises a plasmid described herein comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 11. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 90%
identity to SEQ Ill NO: 11. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 95% identity to SEQ Ill NO: 11. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 98%
identity to SEQ ID
NO: 11. In some embodiments, the plasmid described herein comprises the nucleotide sequence of SEQ ID NO: 11.
[00114] In some embodiments, a host cell described herein comprises a plasmid described herein comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 37. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 90%
identity to SEQ ID NO: 37. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 37. In some embodiments, the plasmid described herein comprises a nucleotide sequence having at least 98%
identity to SEQ ID
NO: 37. In some embodiments, the plasmid described herein comprises the nucleotide sequence of SEQ ID NO: 37.
[00115] In some embodiments, a host cell described herein comprises a plasmid described herein comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 10, 11, 25-34, 58 or 59. In some embodiments, the plasmid described herein comprises the nucleotide sequence of SEQ ID
NO: 10, 11. 25-34, 58 or 59.
[00116] In some embodiments, a host cell described herein comprises a plasmid described herein comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 35-43.
In some embodiments, the plasmid described herein comprises the nucleotide sequence of SEQ ID NO:
35-43.
[00117]In some embodiments, the disclosure provides a method of producing a recombinant polynucleotide described herein or a plasmid described herein comprising incubating a host cell described herein under suitable conditions to produce the recombinant polynucleotide or a plasmid. In some embodiments, the host cell is a prokaryotic cell capable of propagating a plasmid described herein. In some embodiments, the prokaryotic host cell is a bacterial cell. In some embodiments, the prokaryotic host cell is E. coli. In some embodiments, thc recombinant polynucleotide comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ Ill NO: 10, 11, 25-34, 58 or 59. In some embodiments, the recombinant polynucleotide comprises the nucleotide sequence of SEQ ID NO: 10, 11, 25-34, 58 or 59. In some embodiments, the plasmid comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 35-43. In some embodiments, the plasmid comprises the nucleotide sequence of SEQ ID NO: 35-43.
METHODS OF PRODUCING A RECOMBINANT VIRAL PARTICLE
[00118] In one aspect, the disclosure provides a method of producing recombinant adeno-associated virus (rAAV) particles in a eukaryotic host cell by using a recombinant polynucleotide or plasmid described herein to provide one or more helper functions that are capable of promoting production of recombinant AAV particles. In some embodiments, the method further comprises recovering the rAAV particles.
[00119]In some embodiments, a method of producing rAAV particles described herein comprises the use of a recombinant polynucleotide or plasmid comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 11. In some embodiments, the recombinant polynucleotide or plasmid comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 11.
In some embodiments, the recombinant polynucleotide or plasmid comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 11. In some embodiments, the recombinant polynucleotide or plasmid comprises a nucleotide sequence having at least 98%
identity to SEQ
ID NO: 11. In some embodiments, the recombinant polynucleotide or plasmid comprises the nucleotide sequence of SEQ ID NO: 11.
[00120]In some embodiments, a method of producing rAAV particles described herein comprises the use of a recombinant polynucleotide or plasmid comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 37. In some embodiments, the recombinant polynucleotide or plasmid comprises a nucleotide sequence having at least 90% identity to SEQ ID NO: 37.
In some embodiments, the recombinant polynucleotide or plasmid comprises a nucleotide sequence having at least 95% identity to SEQ ID NO: 37. In some embodiments, the recombinant polynucleotide or plasmid comprises a nucleotide sequence having at least 98%
identity to SEQ
ID NO: 37. In some embodiments, the recombinant polynucleotide or plasmid comprises the nucleotide sequence of SEQ ID NO: 37.
[00121] In some embodiments, a method of producing rAAV particles described herein comprises the use of a recombinant polynucleotide or plasmid comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 10, 11, 25-34, 58 or 59. In some embodiments, the recombinant polynucleotide or plasmid comprises the nucleotide sequence of SEQ ID NO: 10, 11, 25-34, 58 or 59.
[00122] In some embodiments, a method of producing rAAV particles described herein comprises the use of a recombinant polynucleotide or plasmid comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 35-43. In some embodiments, the recombinant polynucleotide or plasmid comprises the nucleotide sequence of SEQ ID NO: 35-43.
[00123] In some embodiments, the disclosure provides a method of producing recombinant adeno-associated virus (rAAV) particles comprising culturing a cell capable of producing the rAAV particles, wherein the cell comprises (i) a polynucleotide encoding an AAV capsid protein;
(ii) a polynucleotide encoding a functional rep gene; (iii) a polynucleotide comprising a genome comprising at least one AAV inverted terminal repeat (ITR) and a non-AAV
nucleic acid sequence encoding a gene product operably linked to sequences which direct expression of the gene product in a target cell; and (iv) one or more polynucleotides comprising sufficient helper functions to permit packaging of the genome into the AAV capsid protein under conditions which permit packaging of the genome into the AAV capsid, wherein the one or more polynucleotides comprising sufficient helper functions independently comprise a recombinant polynucleotide described herein or a plasmid described herein. In some embodiments, the one or more polynucleotides comprising sufficient helper functions comprise a nucleotide sequence encoding the adenovirus E2A DBP, the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide and the nucleotide sequence encoding the adenovirus VA RNA I. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA I encodes an adenovirus VA RNA I and VA RNA II. In some embodiments, the one or more polynucleotides comprising sufficient helper functions comprise the nucleotide sequence of SEQ ID NO: 10.
In some embodiments, the one or more polynucleotides comprising sufficient helper functions comprise the nucleotide sequence of SEQ ID NO: 37. In some embodiments, the one or more polynucleotides comprising sufficient helper functions comprise a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 35-43. In some embodiments, the one or more polynucleotides comprising sufficient helper functions comprise a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 10, 11, 25-34, 58 or 59. In some embodiments, the method further comprises recovering the rAAV particles. In some embodiments, the cell comprises one polynucleotide encoding the cap and rep genes, one polynucleotide disclosed herein that encodes adenovirus helper functions necessary for packaging (e.g., adenovirus El a gene, Elb gene, E4 gene, E2a gene, and VA gene), and one polynucleotide encoding the rAAV genome to be packaged. In some embodiments, the rAAV particles are A AV8 or A AV9 particles. In some embodiments, the rAAV particles have an AAV capsid protein of a serotype selected from the group consisting of AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.PHB, and AAV.7m8. In some embodiments, the rAAV particles have an AAV
capsid protein with high sequence homology to AAV8 or AAV9 such as, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, and AAV.hu37. In some embodiments, the cell culture is a suspension culture. In some embodiments, the cell culture comprises HEK293 cells adapted for growth in suspension culture. In some embodiments, the cell culture has a volume of between about 400 liters and about 5,000 liters.
[00124] In some embodiments, the disclosure provides a method of producing recombinant adeno-associated virus (rAAV) particles comprising (a) providing a cell culture comprising a cell;
(b) introducing into the cell one or more polynucleotides comprising (i) a polynucleotide encoding an AAV capsid protein; (ii) a polynucleotide encoding a functional rep gene; (iii) a polynucleotide comprising a genome comprising at least one AAV inverted terminal repeat (ITR) and a non-AAV nucleic acid sequence encoding a gene product operably linked to sequences which direct expression of the gene product in a target cell; and (iv) one or more polynucleotides comprising sufficient helper functions to permit packaging of the genome into the AAV capsid protein under conditions which permit packaging of the genome into the AAV
capsid, wherein the one or more polynucleotides comprising sufficient helper functions independently comprise a recombinant polynucleotide described herein or a plasmid described herein, and (c) maintaining the cell culture under conditions that allow production of the rAAV particles.
In some embodiments, the one or more polynucleotides comprising sufficient helper functions comprise a nucleotide sequence encoding the adenovirus E2A DBP, the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide and the nucleotide sequence encoding the adenovirus VA RNA I/II gene. In some embodiments, the nucleotide sequence encoding an adenovirus VA RNA I encodes an adenovirus VA RNA I and VA RNA II. In some embodiments, the one or more polynucleotides comprising sufficient helper functions comprise the nucleotide sequence of SEQ ID NO: 10. In some embodiments, the one or more polynucleotides comprising sufficient helper functions comprise the nucleotide sequence of SEQ ID NO: 37.
In some embodiments, the one or more polynucleotides comprising sufficient helper functions comprise a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 35-43. In some embodiments, the one or more polynucleotides comprising sufficient helper functions comprise a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%. at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 10, 11, 25-34, 58 or 59. In some embodiments, the method further comprises recovering the rAAV particles. In some embodiments, the one or more polynucleotides introduced into the cell comprise a mixture of three polynucleotides: one encoding the cap and rep genes, one polynucleotide disclosed herein that encodes adenovirus helper functions necessary for packaging (e.g., adenovirus El a gene, Elb gene, E4 gene, E2a gene, and VA gene), and one encoding the rAAV genome to be packaged. In some embodiments, the rAAV particles are AAV8 or AAV9 particles. In some embodiments, the rAAV
particles have an AAV capsid protein of a serotype selected from the group consisting of AAV.rh8. AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.PHB, and AAV.7m8. In some embodiments, the rAAV particles have an AAV capsid protein with high sequence homology to AAV8 or AAV9 such as, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, and AAV.hu37. In some embodiments, the cell culture is a suspension culture. In some embodiments, the cell culture comprises HEK293 cells adapted for growth in suspension culture. In some embodiments, the cell culture has a volume of between about 400 liters and about 5,000 liters.
[00125] In some embodiments, a method disclosed herein comprises introducing into the cell a polynucleotide encoding an AAV capsid protein and a functional rep gene.
[00126] In some embodiments, the introducing of the one or more polynucleotides into the cell is by transfection.
[00127] In some embodiments, the cell is a mammalian cell. In some embodiments, the cell is an insect cell. In some embodiments, the cell is a HEK293 cell, HEK derived cell, CHO cell, CHO
derived cell, HeLa cell, SF-9 cell, BHK cell, Vero cell CAP cell or PerC6 cell. In some embodiments, the cell is a HEK293 cell.
[00128] In some embodiments, the cell culture is a suspension culture or an adherent culture. In some embodiments, the cell culture is a suspension culture.
[00129] In some embodiments, the cell culture has a volume between about 50 liters and about 20,000 liters.
[00130] In some embodiments, a method described herein produces more rAAV
particles measured as GC/ml than a reference method. In some embodiments, the reference method uses a polynucleotide comprising helper functions that comprises the nucleotide sequence of SEQ ID
NO: 35. In some embodiments, the reference method uses a polynucleotide comprising helper functions that comprises the nucleotide sequence of SEQ ID NO: 44. In some embodiments, the method described herein produces at least about 10% more rAAV particles measured as GC/nil than the reference method. In some embodiments, the method described herein produces at least about 10% more rAAV particles measured as GC/ml than the reference method. In some embodiments, the method described herein produces at least about 20% more rAAV
particles measured as GC/nil than the reference method. In some embodiments, the method described herein produces at least about 30% more rAAV particles measured as GC/ml than the reference method. In some embodiments, the method described herein produces at least about 40% more rAAV particles measured as GC/ml than the reference method. In some embodiments, the method described herein produces at least about 50% more rAAV particles measured as GC/ml than the reference method. In some embodiments, the method described herein produces at least about 70% more rAAV particles measured as GC/m1 than the reference method. In some embodiments, the method described herein produces at least about 90% more rAAV particles measured as GC/ml than the reference method. In some embodiments, the method described herein produces at least about twice as many rAAV particles measured as GC/ml than the reference method. In some embodiments, the method produces at least about three times as many rAAV
particles measured as GC/nil than the reference method. In some embodiments, the method produces at least about four times as many rAAV particles measured as GC/ml than the reference method.
[00131] In some embodiments, the method produces a population of rAAV
particles comprising more full capsids than a reference method. In some embodiments, the reference method uses a polynucleotide comprising helper functions that comprises the nucleotide sequence of SEQ ID
NO: 35. In some embodiments, the reference method uses a polynucleotide comprising helper functions that comprises the nucleotide sequence of SEQ ID NO: 44.
[00132] In some embodiments, the rAAV particles comprise a capsid protein of the AAV1, AAV2, AAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15, AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, or AAV.HSC16 serotype. In some embodiments, the rAAV particles comprise a capsid protein of the AAV8, AAV9, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, or AAV.hu37 serotype. In some embodiments, the rAAV particles comprise a capsid protein of the AAV8 scrotype. In some embodiments, the rAAV particles comprise a capsid protein of the AAV9 serotype.
1001331In some embodiments, the rAAV particle comprises a transgene encoding a gene product.
In some embodiments, the gene product is a polypeptide or a double stranded RNA molecule. In some embodiments, the gene product is a polypeptide. In some embodiments, the transgene encodes an antibody or antigen-binding fragment thereof, fusion protein, Fc-fusion polypeptide, immunoadhesin, immunoglobulin, engineered protein, protein fragment or enzyme.
In some embodiments, the transgene comprises a regulatory element operatively connected to a polynucleotide encoding the gene product.
[00134] In some embodiments, the gene product is anti-VEGF Fab, anti-kallikrein antibody, anti-TNF antibody, microdystrophin, minidystrophin, iduronidase (IDUA), iduronate 2-sulfatase (IDS), low-density lipoprotein receptor (LDLR), tripeptidyl peptidase 1 (TPP1), or non-membrane associated splice variant of VEGF receptor 1 (sFlt-1). In some embodiments, the gene product is an gamma-sarcoglycan, Rab Escort Protein 1 (REP1/CHM), retinoid isomerohydrolase (RPE65), cyclic nucleotide gated channel alpha 3 (CNGA3), cyclic nucleotide gated channel beta 3 (CNGB3), aromatic L-amino acid decarboxylase (AADC), lysosome-associated membrane protein 2 isoform B (LAMP2B), Factor VIII, Factor IX, retinitis pigmentosa GTPase regulator (RPGR), retinoschisin (RS1), sarcoplasmic reticulum calcium ATPase (SERCA2a), aflibercept, battenin (CLN3), transmembrane ER protein (CLN6), glutamic acid decarboxylase (GAD), Glial cell line-derived neurotrophic factor (GDNF), aquaporin 1 (AQP1), dystrophin, myotubularin 1 (MTM1), follistatin (FST), glucose-6-phosphatase (G6Pase), apolipoprotein A2 (AP0A2), uridine diphosphate glucuronosyl transferase 1A1 (UGT1A1), arylsulfatase B
(ARSB), N-acetyl-alpha-glucosaminidase (NAGLU), alpha-glucosidase (GAA), alpha-galactosidase (GLA), beta-galactosidase (GLB1), lipoprotein lipase (LPL), alpha 1-antitrypsin (AAT), phosphodiesterase 6B
(PDE6B), ornithine carbamoyltransferase 90TC), survival motor neuron (SMN1), survival motor neuron (SMN2), neurturin (NRTN), Neurotrophin-3 (NT-3/NTF3), porphobilinogen deaminase (PBGD), nerve growth factor (NGF), mitochondri ally encoded NADH:ubiquinone oxidoreductase core subunit 4 (MT-ND4), protective protein cathepsin A (PPCA), dysferlin, MER proto-oncogene, tyrosine Idnase (MERTK), cystic fibrosis transmembrane conductance regulator (CFTR), or tumor necrosis factor receptor (TNFR)-immunoglobulin (IgG1) Fc fusion.
In some embodiments, the gene product is a dystrophin or a microdystrophin. In some embodiments, the gene product is a microRNA.
[00135] In some embodiments, a method described herein increases production of rAAV particles while maintaining or improving the quality attributes of the rAAV particles and compositions comprising thereof. In some embodiments, the quality of rAAV particles and compositions comprising thereof is assessed by determining the concentration of rAAV
particles (e.g., GC/ml), the percentage of particles comprising a copy of the rAAV genome; the ratio of particles without a genome, infectivity of the rAAV particles, stability of rAAV particles, concentration of residual host cell proteins, or concentration of residual host cell nucleic acids (e.g., host cell genomic DNA, plasmid encoding rep and cap genes, plasmid encoding helper functions, plasmid encoding rAAV genome). In some embodiments, the quality of rAAV particles produced by a method described herein or compositions comprising thereof is the same as that of rAAV particles or compositions produced by a reference method using a helper plasmid comprising the nucleotide sequence of SEQ ID NO: 35 or 44. In some embodiments, the quality of rAAV
particles produced by a method described herein or compositions comprising thereof is better than the quality of rAAV particles or compositions produced by a reference method using a helper plasmid comprising the nucleotide sequence of SEQ ID NO: 35 or 44.
[00136] Numerous cell culture based systems are known in the art for production of rAAV
particles, any of which can be used to practice a method described herein.
rAAV production cultures for the production of rAAV virus particles require; (1) suitable host cells, including, for example, human-derived cell lines such as HeLa, A549, or HEK293 cells and their derivatives (HEK293T cells, HEK293F cells), or mammalian cell lines such as Vero, amniocyte-derived cells such as CAP cells, CHO cells or CHO-derived cells; (2) suitable helper virus function, provided by wild type or mutant adenovirus (such as temperature sensitive adenovirus), herpes virus, baculovirus, or a plasmid construct providing helper functions; (3) AAV rep and cap genes and gene products; (4) a transgene (such as a therapeutic transgene) flanked by AAV ITR sequences;
and (5) suitable media and media components to support rAAV production.
[00137] A skilled artisan is aware of the numerous methods by which AAV rep and cap genes, AAV helper genes (e.g., adenovirus El a gene, Elb gene, E4 gene, E2a gene, and VA gene), and rAAV genomes (comprising one or more genes of interest flanked by inverted terminal repeats (ITRs)) can be introduced into cells to produce or package rAAV. The phrase "adenovirus helper functions" refers to a number of viral helper genes expressed in a cell (as RNA or protein) such that the AAV grows efficiently in the cell. The skilled artisan understands that helper viruses, including adenovirus and herpes simplex virus (HSV), promote AAV replication and certain genes have been identified that provide the essential functions, e.g. the helper may induce changes to the cellular environment that facilitate such AAV gene expression and replication. In some embodiments of a method described herein, AAV rep and cap genes, helper genes, and rAAV genomes are introduced into cells by transfection of one or more plasmid vectors encoding the AAV rep and cap genes, helper genes, and rAAV genome.
[00138]Molecular biology techniques to develop plasmid or viral vectors encoding the AAV rep and cap genes, helper genes, and/or rAAV genome are commonly known in the art.
In some embodiments, AAV rep and cap genes are encoded by one plasmid vector. In some embodiments, AAV helper genes (e.g., adenovirus Ela gene, Elb gene, E4 gene, E2a gene, and VA gene) are encoded by one plasmid vector. In some embodiments, the Ela gene or Elb gene is stably expressed by the host cell, and the remaining AAV helper genes are introduced into the cell by transfection by one viral vector. In some embodiments, the Ela gene and Elb gene are stably expressed by the host cell, and the E4 gene, E2a gene, and VA gene arc introduced into the cell by transfection by one plasmid vector. In some embodiments, one or more helper genes are stably expressed by the host cell, and one or more helper genes are introduced into the cell by transfection by one plasmid vector. In some embodiments, the helper genes are stably expressed by the host cell. In some embodiments, AAV rep and cap genes are encoded by one viral vector.
In some embodiments, AAV helper genes (e.g., adenovirus Ela gene, El b gene, E4 gene, E2a gene, and VA gene) are encoded by one viral vector. In some embodiments, the Ela gene or Elb gene is stably expressed by the host cell, and the remaining AAV helper genes are introduced into the cell by transfection by one viral vector. In some embodiments. the Ela gene and Elb gene are stably expressed by the host cell, and the E4 gene, E2a gene, and VA gene are introduced into the cell by transfection by one viral vector. In some embodiments, one or more helper genes are stably expressed by the host cell, and one or more helper genes are introduced into the cell by transfection by one viral vector. In some embodiments, the AAV rep and cap genes, the adenovirus helper functions necessary for packaging, and the rAAV genome to be packaged are introduced to the cells by transfection with one or more polynucleotides, e.g., vectors. In some embodiments, a method described herein comprises transfecting the cells with a mixture of three polynucleotides: one encoding the cap and rep genes, one encoding adenovirus helper functions necessary for packaging (e.g., adenovirus Ela gene, Elb gene, E4 gene, E2a gene, and VA gene), and one encoding the rAAV genome to be packaged. In some embodiments, the AAV
cap gene is an AAV8 or AAV9 cap gene. In some embodiments, the AAV cap gene is an AAV.rh8, AAV sh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.PHB, or AAV.7m8 cap gene. In some embodiments, the AAV cap gene encodes a capsid protein with high sequence homology to AAV8 or AAV9 such as, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, and AAV.hu37. In some embodiments, the vector encoding the rAAV genome to be packaged comprises a gene of interest flanked by AAV ITRs.
In some embodiments, the AAV ITRs are from AAV1, AAV2, rAAV3, AAV4, AAV5, AAV6. AAV7, AAV8, AAV9, AAVIO, AAV11, AAV12, AAV13, AAV14, AAV15, AAV16. AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65. AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, or AAV.HSC16 or other AAV
serotype.
[00139] Any combination of vectors can be used to introduce AAV rep and cap genes, AAV
helper genes, and rAAV genome to a cell in which rAAV particles are to be produced or packaged. In some embodiments of a method described herein, a first plasmid vector encoding an rAAV genome comprising a gene of interest flanked by AAV inverted terminal repeats (ITRs), a second vector encoding AAV rep and cap genes, and a third vector encoding helper genes can be used. In some embodiments, a mixture of the three vectors is co-transfected into a cell.
[00140] In some embodiments, a combination of transfection and infection is used by using both plasmid vectors as well as viral vectors.
[00141] In some embodiments, one or more of rep and cap genes, and AAV helper genes are constitutively expressed by the cells and does not need to be transfected or transduced into the cells. In some embodiments, the cell constitutively expresses rep and/or cap genes. In some embodiments, the cell constitutively expresses one or more AAV helper genes.
In some embodiments, the cell constitutively expresses El a. In some embodiments, the cell comprises a stable transgene encoding the rAAV genome.
[00142] In some embodiments, AAV rep, cap, and helper genes (e.g., Ela gene, Elb gene, E4 gene, E2a gene, or VA gene) can be of any AAV scrotypc. Similarly, AAV ITRs can also be of any AAV serotype. For example, in some embodiments, AAV ITRs are from AAV1, AAV2, rAAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15, AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, or AAV.HSC16 or other AAV serotypes (e.g., a hybrid serotype harboring sequences from more than one serotype). In some embodiments, AAV cap gene is from AAV9 or AAV8 cap gene. In some embodiments, an AAV cap gene is from AAV1, AAV2, rAAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15, AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, or AAV.HSC16 or other AAV serotypes (e.g., a hybrid serotype harboring sequences from more than one serotype). In some embodiments, AAV rep and cap genes for the production of a rAAV
particle is from different serotypes. For example, the rep gene is from AAV2 whereas the cap gene is from AAV9.
[00143] Any suitable media known in the art can be used for the production of recombinant virus particles (e.g., rAAV particles) according to a method described herein. These media include, without limitation, media produced by Hyclone Laboratories and JRH including Modified Eagle Medium (MEM), Dulbecco's Modified Eagle Medium (DMEM), and Sf-900 II SFM media as described in U.S. Pat. No. 6,723,551, which is incorporated herein by reference in its entirety. In some embodiments, the medium comprises DynamiSTM Medium, FreeStyleTM 293 Expression Medium, or Expi293Tm Expression Medium from Invitrogen/ ThermoFisher. In some embodiments, the medium comprises DynamisTM Medium. In some embodiments, a method described herein uses a cell culture comprising a serum-free medium, an animal-component free medium, or a chemically defined medium. In some embodiments, the medium is an animal-component free medium. In some embodiments, the medium comprises scrum. In some embodiments, the medium comprises fetal bovine serum. In some embodiments, the medium is a glutamine-free medium. In some embodiments, the medium comprises glutamine. In some embodiments, the medium is supplemented with one or more of nutrients, salts, buffering agents, and additives (e.g., antifoam agent). In some embodiments, the medium is supplemented with glutamine. In some embodiments, the medium is supplemented with serum. In some embodiments, the medium is supplemented with fetal bovine serum. In some embodiments, the medium is supplemented with poloxamer, e.g., Kolliphor P 188 Bio. In some embodiments, a medium is a base medium. In some embodiments, the medium is a feed medium.
[00144] Recombinant virus (e.g., rAAV) production cultures can routinely be grown under a variety of conditions (over a wide temperature range, for varying lengths of time, and the like) suitable to the particular host cell being utilized. As is known in the art, virus production cultures include suspension-adapted host cells such as HeLa cells, HEK293 cells, HEK293 derived cells (e.g., HEK293T cells, HEK293F cells), Vero cells, CAP cells, CHO cells, CHO-Kl cells, CHO
derived cells, EB66 cells, BSC cells, HcpG2 cells, LLC-MK cells, CV-1 cells, COS cells, MDBK
cells, MDCK cells, CRFK cells, RAF cells, RK cells, TCMK-1 cells, LLCPK cells, PK15 cells, LLC-RK cells, MDOK cells, BHK cells, BHK-21 cells, NS-1 cells, MRC-5 cells, W1-38 cells, BHK cells, 3T3 cells, 293 cells, RK cells, Per.C6 cells, chicken embryo cells and SF-9 cells which can be cultured in a variety of ways including, for example, spinner flasks, stirred tank bioreactors, and disposable systems such as the Wave bag system. Numerous suspension cultures are known in the art for production of rAAV particles, including for example, the cultures disclosed in U.S. Patent Nos. 6,995,006, 9,783,826, and in U.S. Pat. Appl.
Pub. Nos.
20070111312 and 20120122155, each of which is incorporated herein by reference in its entirety.
[00145] Any cell or cell line that is known in the art to produce a recombinant virus particles (e.g., rAAV particles) can be used in any one of the methods described herein. In some embodiments, a method of producing recombinant virus particles (e.g., rAAV particles) or increasing the production of recombinant virus particles (e.g., a rAAV particles) described herein uses HeLa cells, HEK293 cells, HEK293 derived cells (e.g., HEK293T cells, HEK293F
cells), Vero cells, CAP cells, CHO cells, CHO-K1 cells. CHO derived cells, EB66 cells. LLC-MK
cells, MDCK
cells, RAF cells, RK cells, TCMK-1 cells, PK15 cells, BHK cells, BHK-21 cells, NS-1 cells, BHK cells, 293 cells, RK cells, Per.C6 cells, chicken embryo cells or SF-9 cells. In some embodiments, a method described herein uses mammalian cells. In some embodiments, a method described herein uses insect cells, e.g., SF-9 cells. In some embodiments, a method described herein uses cells adapted for growth in suspension culture. In some embodiments, a method described herein uses HEK293 cells adapted for growth in suspension culture.
[00146] In some embodiments, a cell culture described herein is a suspension culture. In some embodiments, a large scale suspension cell culture described herein comprises HEK293 cells adapted for growth in suspension culture. In some embodiments, a cell culture described herein comprises a serum-free medium, an animal-component free medium, or a chemically defined medium. In sonic embodiments, a cell culture described herein comprises a serum-free medium.
In some embodiments, suspension-adapted cells are cultured in a shaker flask, a spinner flask, a cell bag, or a bioreactor.
[00147] In some embodiments, a cell culture described herein comprises a serum-free medium, an animal-component free medium, or a chemically defined medium. In some embodiments, a cell culture described herein comprises a serum-free medium.
[00148] In somc embodiments, a large scale suspension culture cell culture described herein comprises a high density cell culture. In some embodiments, the culture has a total cell density of between about 1x10E+06 cells/int and about 30x10E+06 cells/ml. In some embodiments, more than about 50% of the cells are viable cells. In some embodiments, the cells are HeLa cells, HEK293 cells, HEK293 derived cells (e.g., HEK293T cells, HEK293F cells), Vero cells, CAP
cells, or SF-9 cells. In further embodiments, the cells are HEK293 cells.
[00149] Methods described herein can be used in the production of rAAV
particles comprising a capsid protein from any AAV capsid serotype. In some embodiments, the rAAV
particles comprise a capsid protein from an AAV capsid serotype selected from AAV1, AAV2, rAAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15, AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1 A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, and AAV.HSC16. In some embodiments, the rAAV particles comprise a capsid protein that is a derivative, modification, or pseudotype of AAV1, AAV2, rAAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15, AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, or AAV.HSC16 capsid protein.
[00150] In some embodiments, the rAAV particles comprise a capsid protein from an AAV
capsid serotype selected from AAV8 and AAV9. In some embodiments, the rAAV
particles have an AAV capsid serotype of AAV8. In some embodiments, the rAAV particles have an AAV
capsid serotype of AAV9.
[00151] In some embodiments, the rAAV particles comprise a capsid protein from an AAV
capsid serotype selected from the group consisting of AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.PHB, and AAV.7m8. In some embodiments, the rAAV particles comprise a capsid protein with high sequence homology to AAV8 or AAV9 such as, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, and AAV.hu37.
[00152] In some embodiments, the rAAV particles comprise a capsid protein that is a derivative, modification, or pseudotype of AAV8 or AAV9 capsid protein. In some embodiments, the rAAV
particles comprise a capsid protein that has an AAV8 capsid protein at least 80% or more identical, e.g., 85%, 85%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, 99.5%, etc., i.e. up to 100% identical, to the VP1, VP2 and/or VP3 sequence of AAV8 capsid protein.
[00153] In some embodiments, the rAAV particles comprise a capsid protein that is a derivative, modification, or pseudotype of AAV9 capsid protein. In some embodiments, rAAV
particles comprise a capsid protein that has an AAV9 capsid protein at least 80% or more identical, e.g., 85%, 85%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, 99.5%, etc., i.e. up to 100% identical, to the VP1, VP2 and/or VP3 sequence of AAV9 capsid protein.
[00154] In some embodiments, the rAAV particles comprise a capsid protein that has at least 80%
or more identity, e.g., 85%, 85%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, 99.5%, etc., i.e. up to 100% identity, to the VP1, VP2 and/or VP3 sequence of AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.PHB, or AAV.7m8 capsid protein. In some embodiments, the rAAV particles comprise a capsid protein that has at least 80% or more identity, e.g., 85%, 85%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, 99.5%, etc., i.e. up to 100%
identity, to the VP1, VP2 and/or VP3 sequence of an AAV capsid protein with high sequence homology to AAV8 or AAV9 such as, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, and AAV.hu37.
[00155] In additional embodiments, the rAAV particles comprise a mosaic capsid. In additional embodiments, the rAAV particles comprise a pseudotyped rAAV particle. In additional embodiments, the rAAV particles comprise a capsid containing a capsid protein chimera of two or more AAV capsid serotypes.
rAAV PARTICLES
[00156]The provided methods are suitable for use in the production of any isolated recombinant AAV particles. As such, the rAAV can be of any serotype, modification, or derivative, known in the art, or any combination thereof (e.g., a population of rAAV particles that comprises two or more serotypes, e.g., comprising two or more of rAAV2, rAAV8, and rAAV9 particles) known in the art. In some embodiments, the rAAV particles are AAV1, AAV2, rAAV3, AAV4, AAV5, AAV6, AAV7,AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15, AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, or AAV.HSC16 or other rAAV particles, or combinations of two or more thereof.
[00157]In some embodiments, rAAV particles have a capsid protein from an AAV
serotype selected from AAV1, AAV1, AAV2, rAAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15, AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, or AAV.HSC16 or a derivative, modification, or pseudotype thereof. In some embodiments, rAAV particles comprise a capsid protein at least 80%
or more identical, e.g., 85%, 85%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, 99.5%, etc., i.e. up to 100% identical, to e.g., VP1, VP2 and/or VP3 sequence of an AAV capsid scrotype selected from AAV1, AAV1, AAV2, AAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15, AAV16, AAV.rh8, AAV.rhl 0, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, rAAV.Anc80L65, AAV.7m8, AAV.PHRB, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSCIO , AAV.HSCII, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, or AAV.HSC16.
[00158] In some embodiments, rAAV particles comprise a capsid protein from an AAV capsid serotype selected from AAV1, AAV1, AAV2, rAAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15, AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, or AAV.HSC16, or a derivative, modification, or pseudotype thereof. In some embodiments, rAAV particles comprise a capsid protein at least 80% or more identical, e.g., 85%, 85%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, 99.5%, etc., i.e. up to 100% identical, to e.g., VP1, VP2 and/or VP3 sequence of an AAV capsid serotype selected from AAV1, AAV1, AAV2, AAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15, AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65. AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, or AAV.HSC16.
[00159] In some embodiments, rAAV particles comprise the capsid of Anc80 or Anc80L65, as described in Zinn et al., 2015, Cell Rep. 12(6): 1056-1068, which is incorporated by reference in its entirety. In certain embodiments, the rAAV particles comprise the capsid with one of the following amino acid insertions: LGETTRP or LALGETTRP, as described in United States Patent Nos. 9,193,956; 9458517; and 9,587,282 and US patent application publication no.
2016/0376323, each of which is incorporated herein by reference in its entirety. In some embodiments, rAAV particles comprise the capsid of AAV.7m8, as described in United States Patent Nos. 9,193,956; 9,458,517; and 9,587,282 and US patent application publication no.
2016/0376323, each of which is incorporated herein by reference in its entirety. In some embodiments, rAAV particles comprise any AAV capsid disclosed in United States Patent No.
9,585,971, such as AAVPHP.B. In some embodiments, rAAV particles comprise any AAV
capsid disclosed in United States Patent No. 9,840,719 and WO 2015/013313, such as AAV.Rh74 and RHM4-1, each of which is incorporated herein by reference in its entirety. In some embodiments, rAAV particles comprise any AAV capsid disclosed in WO
2014/172669, such as AAV rh.74, which is incorporated herein by reference in its entirety.
In some embodiments, rAAV particles comprise the capsid of AAV2/5, as described in Georgiadis et al., 2016, Gene Therapy 23: 857-862 and Gcorgiadis et al., 2018, Gene Therapy 25:
450, each of which is incorporated by reference in its entirety. In some embodiments, rAAV
particles comprise any AAV capsid disclosed in WO 2017/070491, such as AAV2tY1-', which is incorporated herein by reference in its entirety. In some embodiments, rAAV
particles comprise the capsids of AAVLKO3 or AAV3B, as described in Puzzo et al., 2017, Sci.
Transl. Med. 29(9):
418, which is incorporated by reference in its entirety. In some embodiments, r AAV particles comprise any AAV capsid disclosed in US Pat Nos. 8,628,966; US 8,927,514; US
9,923,120 and WO 2016/049230, such as HSC1, HSC2, HSC3, HSC4, HSC5, HSC6, HSC7, HSC8, HSC9, HSC10 , HSC11, HSC12, HSC13, HSC14, HSC15, or HSC16, each of which is incorporated by reference in its entirety. In other embodiments, rAAV particles comprise capsids having enhanced tropism to muscle tissue, such capsids being engineered by inserting a RGD-containing peptide into the parental capsid of interest. Such exemplary capsids are AAVMYO (AAV9-RGDLGLS, MyoAAV.1A (AAV9-RGDLTTP), and MyoAAV1C (AAV9-RGDLSTP) (peptide inserted after residue Q588 of AAV9). In some embodiments, rAAV particles comprise any AAV
capsid disclosed in PCT International Publication Nos. W02019/207132, W02020/206189, W02021/072197, W02021/050974, W02021/077000, and WO 2022/020616.
[00160] In some embodiments, rAAV particles comprise an AAV capsid disclosed in any of the following patents and patent applications, each of which is incorporated herein by reference in its entirety: United States Patent Nos. 7,282,199; 7,906,111; 8,524,446;
8,999,678; 8,628,966;
8,927,514; 8,734,809; US 9,284,357; 9,409,953; 9,169,299; 9,193,956; 9458517;
and 9,587,282;
US patent application publication nos. 2015/0374803; 2015/0126588;
2017/0067908;
2013/0224836; 2016/0215024; 2017/0051257; and International Patent Application Nos.
PCT/U52015/034799; PCT/EP2015/053335. In some embodiments, rAAV particles have a capsid protein at least 80% or more identical, e.g., 85%, 85%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, 99.5%, etc., i.e. up to 100% identical, to the VP1, VP2 and/or VP3 sequence of an AAV capsid disclosed in any of the following patents and patent applications, each of which is incorporated herein by reference in its entirety: United States Patent Nos. 7,282,199; 7,906,111; 8,524,446; 8,999,678; 8,628,966; 8,927,514;
8,734,809; US
9,284,357; 9,409,953; 9,169,299; 9,193,956; 9458517; and 9,587,282; US patent application publication nos. 2015/0374803; 2015/0126588; 2017/0067908; 2013/0224836;
2016/0215024;
2017/0051257; and International Patent Application Nos. PCT/US2015/034799;
PCT/EP2015/053335.
[00161] In some embodiments, rAAV particles have a capsid protein disclosed in Intl. Appl. Publ.
No. WO 2003/052051 (see, e.g., SEQ Ill NO: 2), WO 2005/033321 (see, e.g., SEQ
ID NOs: 123 and 88), WO 03/042397 (see, e.g., SEQ ID NOs: 2, 81, 85, and 97), WO
2006/068888 (see, e.g., SEQ ID NOs: 1 and 3-6), WO 2006/110689, (see, e.g., SEQ ID NOs: 5-38) (see, e.g., SEQ ID NOs: 1-5, 7, 9, 20, 22, 24 and 31), WO 2010/127097 (see, e.g., SEQ ID NOs:
5-38), and WO 2015/191508 (see, e.g., SEQ ID NOs: 80-294), and U.S. Appl.
Publ. No.
20150023924 (see, e.g., SEQ ID NOs: 1, 5-10), the contents of each of which is herein incorporated by reference in its entirety. In some embodiments, rAAV particles have a capsid protein at least 80% or more identical, e.g., 85%, 85%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, 99.5%, etc., i.e. up to 100% identical, to the VP1, VP2 and/or VP3 sequence of an AAV capsid disclosed in Intl. Appl. Publ. No. WO
2003/052051 (see, e.g., SEQ ID NO: 2), WO 2005/033321 (see, e.g., SEQ ID NOs: 123 and 88), WO
03/042397 (see, e.g., SEQ ID NOs: 2, 81, 85, and 97), WO 2006/068888 (see, e.g., SEQ ID NOs: 1 and 3-6), WO
2006/110689 (see, e.g., SEQ ID NOs: 5-38) W02009/104964 (see, e.g., SEQ ID
NOs: 1-5, 7, 9, 20, 22, 24 and 31), WO 2010/127097 (see, e.g., SEQ ID NOs: 5-38), and WO
2015/191508 (see, e.g., SEQ ID NOs: 80-294), and U.S. Appl. Publ. No. 20150023924 (see, e.g., SEQ ID NOs: 1, 5-10).
[00162] Nucleic acid sequences of AAV based viral vectors and methods of making recombinant AAV and AAV capsids are taught, for example, in United States Patent Nos.
7,282,199;
7,906,111; 8,524,446; 8,999,678; 8,628,966; 8,927,514; 8,734,809; US
9,284,357; 9,409,953;
9,169,299; 9,193,956; 9458517; and 9,587,282; US patent application publication nos.
2015/0374803; 2015/0126588; 2017/0067908; 2013/0224836; 2016/0215024;
2017/0051257;
International Patent Application Nos. PCT/US2015/034799; PCT/EP2015/053335; WO
2003/052051, WO 2005/033321, WO 03/042397, WO 2006/068888, WO 2006/110689, W02009/104964, WO 2010/127097, and WO 2015/191508, and U.S. Appl. Publ. No.
20150023924.
[00163] The provided methods are suitable for use in the production of recombinant AAV
encoding a transgene. In certain embodiments, the transgene is from Tables 1A-1C. In some embodiments, the rAAV genome comprises a vector comprising the following components: (1) AAV inverted terminal repeats that flank an expression cassette; (2) regulatory control elements, such as a) promoter/enhancers, b) a polyA signal, and c) optionally an intron;
and (3) nucleic acid sequences coding for a transgene. In other embodiments for expressing an intact or substantially intact monoclonal antibody (mAb), the rAAV genome comprises a vector comprising the following components: (1) AAV inverted terminal repeats that flank an expression cassette; (2) regulatory control elements, such as a) promoter/enhancers, b) a polyA signal, and c) optionally an intron; and (3) nucleic acid sequences coding for the light chain Fab and heavy chain Fab of the antibody, or at least the heavy chain or light chain Fab, and optionally a heavy chain Fe region. In still other embodiments for expressing an intact or substantially intact mAb, the rAAV
genome comprises a vector comprising the following components: (1) AAV
inverted terminal repeats that flank an expression cassette; (2) regulatory control elements, such as a) promoter/enhancers, b) a polyA signal, and c) optionally an intron; and (3) nucleic acid sequences coding for the heavy chain Fab of an anti-VEGF (e.g., sevacizumab, ranibizumab, bevacizumab, and brolucizumab), anti-EpoR (e.g., LKA-651, ), anti-ALK1 (e.g., ascrinvacumab), anti-05 (e.g., tesidolumab and eculizumab), anti-CD105 (e.g., carotuximab), anti-CC1Q (e.g., ANX-007), anti-TNFa (e.g., adalimumab, infliximab, and golimumab), anti-RGMa (e.g., ciczanumab), anti-TTR
(e.g., NI-301 and PRX-004), anti-CTGF (e.g., panu-evlumab), anti-IL6R (e.g., satralizumab and sarilumab), anti-IL4R (e.g., dupilumab), anti-IL17A (e.g., ixckizumab and sccukinumab), anti-IL-5 (e.g., mepolizumab), anti-IL12/IL23 (e.g., ustekinumab), anti-CD19 (e.g., inebilizumab), anti-ITGF7 mAb (e.g., etrolizumab), anti-SOST mAb (e.g., romosozumab), anti-pKal mAb (e.g., lanadelumab), anti-1TGA4 (e.g., natalizumab), anti-1TGA4B7 (e.g., vedolizumab), anti-BLyS
(e.g., belimumab), anti-PD-1 (e.g., nivolumab and pembrolizumab), anti-RANKL
(e.g., densomab), anti-PCSK9 (e.g., alirocumab and evolocumab), anti-ANGPTL3 (e.g., evinacumab*), anti-OxPL (e.g., E06), anti-fD (e.g., lampalizumab), or anti-MMP9 (e.g., andecaliximab);
optionally an Fc polypeptide of the same isotype as the native form of the therapeutic antibody, such as an IgG isotype amino acid sequence IgGl, IgG2 or IgG4 or modified Fe thereof; and the light chain of an anti-VEGF (e.g., sevacizumab, ranibizumab, bevacizumab, and brolucizumab), anti-EpoR (e.g., LKA-651, ), anti-ALK1 (e.g., ascrinvacumab), anti-05 (e.g., tesidolumab and eculizumab), anti-CD105 or anti-ENG (e.g., carotuximab). anti-CC1Q (e.g., ANX-007), anti-TNFa (e.g., adalimumab, infliximab, and golimumab), anti-RGMa (e.g., elezanumab), anti-TTR
(e.g., N1-301 and PRX-004). anti-CTGF (e.g., pamrevlumab), anti-IL6R (e.g., satralizumab and sarilumab), anti-IL4R (e.g., dupilumab), anti-IL17A (e.g., ixckizumab and sccukinumab), anti-IL-5 (e.g., mepolizumab), anti-IL12/IL23 (e.g., ustekinumab), anti-CD19 (e.g., inebilizumab), anti-1TGF7 inAb (e.g., etrolizumab), anti-SOST inAb (e.g., romosozumab), anti-pKal inAb (e.g., lanadelumab), anti-1TGA4 (e.g., natalizumab), anti-1TGA4B7 (e.g., vedolizumab), anti-BLyS
(e.g., belimumab), anti-PD-1 (e.g., nivolumab and pembrolizumab), anti-RANKL
(e.g., densomab), anti-PCSK9 (e.g., alirocumab and evolocumab), anti-ANGPTL3 (e.g., evinacumab), anti-OxPL (e.g., E06), anti-fD (e.g., lampalizumab), or anti-MMP9 (e.g., andecaliximab);
wherein the heavy chain (Fab and optionally Fe region) and the light chain are separated by a self-cleaving furin (F)/F2A or flexible linker, ensuring expression of equal amounts of the heavy and the light chain polypeptides.
[00164] In other embodiments for expressing an mRNA, such as an antisense RNA
in the context of a guide RNA (antisense strand) and/or a passenger RNA (sense strand) as in miRNA and shRNA structures, the rA AV genome comprises a vector comprising the following components:
(1) AAV inverted terminal repeats that flank an expression cassette; (2) regulatory control elements, such as a) promoter/enhancers, b) a polyA signal, and c) optionally an intron; and (3) nucleic acid sequences coding for the mRNA. In some embodiments, the transgene (nucleic acid sequences coding for the mRNA) comprises or consists of microRNA, shRNA, or U7-snRNA
encoding sequences.
Table 1A
Disease Transgene MPS I alpha-L-iduronidase (IDUA) MPS II (Hunter Syndrome) iduronate-2-sulfatase (IDS) ceroid lipofuscinosis (Batten disease) (CLN1, CLN2, CLN10, CLN13), a soluble lysosomal protein (CLN5), a protein in the secretory pathway (CLN11), two cytoplasmic proteins that also peripherally associate with membranes (CLN4, CLN14), and many Disease Transgene transmembrane proteins with different subcellular locations (CLN3, CLN6, CLN7, CLN8, CLN12) MPS Ma (Sanfilippo type A Syndrome) heparan sulfate sulfatase (also called N-sulfoglucosamine sulfohydrolase (SGSH)) MPS HIS (Sanfilippo type B Syndrome) N-acetyl-alpha-D-glucosaminidase (NAGLU) MPS VI (Maroteaux-Lamy Syndrome) arylsulfatase B
Gaucher disease (type 1, II and III) Glucocerebrosidase, GBA1 Parkinson's Disease Glucocerebrosidase; GB A 1 Parkinson's Disease dopamine decarboxylase Pompe acid maltase; GAA
Metachromatic leukodystrophy Aryl sulfatase A
MPS VII (Sly syndrome) beta-glucuronidase MPS VIII glucosamine-6-sulfate sulfatase MPS IX Hyaluronidase Niemann-Pick disease Sphingomyelinase Niemann-Pick disease without a npcl gene encoding a sphingomyelinase deficiency cholesterol metabolizing enzyme Tay-Sachs disease Alpha subunit of beta-hexosaminidase Sandhoff disease both alpha and beta subunit of beta-hexosaminidase Fabry Disease alpha-galactosidase Fucosidosis Fucosidase (FUCA1 gene) Alpha-mannosidosis alpha-mannosidase Beta-mannosidosis Beta-mannosidase Wolman disease cholesterol ester hydrolase Disease Transgene Parkinson's disease Neurturin Parkinson's disease glial derived growth factor (GDGF) Parkinson's disease tyrosine hydroxylase Parkinson's disease glutamic acid decarboxylase.
Parkinson's disease fibroblast growth factor-2 (FGF-2) Parkinson's disease brain derived growth factor (BDGF) No disease listed (Galactosialidosis neuraminidase deficiency with betagalactosidase (Goldberg syndrome)) deficiency Spinal Muscular Atrophy (SMA) SMN
Friedreich's ataxia Frataxin Amyotrophic lateral sclerosis (ALS) SOD1 Glycogen Storage Disease la Glucose-6-phosphatase Crigler Najjar UGTIA1 Rett syndrome MECP2 Achromatopsia CNGB3, CNGA3, GNAT2, PDE6C
Choroidermia CDM
Danon Disease LAMP2 Cystic Fibrosis CFTR
Duchenne Muscular Dystrophy Mini-Dystrophin or Microdystrophin Gene Limb Girdle Muscular Dystrophy Type human-alpha-sarcoglycan 2C1Gamma-sarcoglycanopathy Advanced Heart Failure SERCA2a Rheumatoid Arthritis TNFR:Fc Fusion Gene Leber Congenital Amaurosis GAA
Limb Girdle Muscular Dystrophy Type gamma-sarcoglycan 2C1Gamma-sarcoglycanopathy Retinitis Pigmentosa hMERTK
Age-Related Macular Degeneration sFLT01 Becker Muscular Dystrophy and Sporadic huFollistatin344 Inclusion Body Myositis Parkinson's Disease GDNF
Metachromatic Leukodystrophy (MLD) cuARSA
Disease Transgene Hepatitis C anti-HCV shRNA
Limb Girdle Muscular Dystrophy Type 2D hSGCA
Human Immunodeficiency Virus PG9DP
Infections; HIV Infections (HIV-1) Acute Intermittant Porphyria PBGD
Leber's Hereditary Optical Neuropathy P1ND4v2 Alpha-1 Antitrypsin Deficiency alphalAT
Pompe Disease hGAA
X-linked Retinoschisis RS1 Choroideremia hCHM
Giant Axonal Neuropathy JeT-GAN
X-linked Retinoschisis hRS1 Squamous Cell Head and Neck Cancer; hAQP1 Radiation Induced Xerostomia Hemophilia B Factor IX
Homozygous FH hLDLR
Dysferlinopathies dysferlin transgene (e.g.
rAAVrh74.MHCK7.DYSF.DV) Hemophilia B AAV6 ZFP nuclease MPS I AAV6 ZFP nuclease Rheumatoid Arthritis NF-kB.IFN-f3 Batten / CLN6 CLN6 Sanfilippo Disease Type A hSGSH
Osteoarthritis 5IL-1Ra Achromatopsia CNGA3 Achromatopsia CNGB3 Ornithine Transcarbamylase (OTC) OTC
Deficiency Hemophilia A Factor VIII
Mucopolysaccharidosis II ZFP nuclease Hemophilia A ZFP nuclease Wet AMD anti-VEGF
X-Linked Retinitis Pigmentosa RPGR
Mucopolysaccharidosis Type VI hARSB
Leber Hereditary Optic Neuropathy ND4 X-Linked Myotubular Myopathy MTM1 Crigler-Najjar Syndrome UGT1A1 Achromatopsia CNGB3 Retinitis Pigmentosa hPDE6B
X-Linked Retinitis Pigmentosa RPGR
Mucopolysaccharidosis Type 3 B hNAGLU
Duchenne Muscular Dystrophy GALGT2 Disease Transgene Arthritis, Rheumatoid; Arthritis, TNFR:Fc Fusion Gene Psoriatic; Ankylosing Spondylitis Idiopathic Parkinson's Disease Neurturin Alzheimer's Disease NGF
Human Immunodeficiency Virus tgAAC09 Infections; HIV Infections (HIV-1) Familial Lipoprotein Lipase Deficiency LPL
Idiopathic Parkinson's Disease Neurturin Alpha-1 Antitrypsin Deficiency hAAT
Leber Congenital Amaurosis (LCA) 2 hRPE65v2 Batten Disease; Late Infantile Neuronal CLN2 Lipofuscinosis Parkinson's Disease GAD
Sanfilippo Disease Type Al N-sulfoglucosamine sulfohydrolase (SGSH) gene Mucopolysaccharidosis Type IIIA
Congestive Heart Failure SERC2a Becker Muscular Dystrophy and Sporadic Follistatin (e.g.
rAAV.CMV.huFollistatin344) Inclusion Body Myositis Parkinson's Disease hAADC-2 Choroideremia REP1 CEA Specific A AV-DC-CTL Treatment in CEA
Stage IV Gastric Cancer Gastric Cancer MUCl-peptide-DC-CTL
Leber's Hereditary Optical Neuropathy scAAV2-PiND4v2 Aromatic Amino Acid Decarboxylase hAADC
Deficiency Hemophilia B Factor IX
Parkinson's Disease AADC
Leber Hereditary Optic Neuropathy Genetic: GS0101Drug: Placebo SMA - Spinal Muscular AtrophylGene SMN
Therapy Hemophilia A B-Domain Deleted Factor VIII
MPS I IDUA
MPS II IDS
CLN3-Related Neuronal Ceroid- CLN3 Lipotuscinosis (Batten) Limb-Girdle Muscular Dystrophy, Type hSGCB
Alzheimer Disease APOE2 Retinitis Pigmentosa hMERKTK
Retinitis Pigmentosa RLBP I
Wet AMD or diabetic retinopathy Anti-VEGF antibody or Anti-VEGF
trap (e.g.
one or more extracellular domains of VEGFR-1 and/or VEGFR-2; e.g. afliberccpt) Table 1B
AN ANTIBODIES INDICATIONS
(TRANSGENE) Amylaid beta Solanezumab Alzheimer' s Disease (A,8 or Abeta) peptides derived from APP
Nervous System Sortilin AL-001 Frontotemporal dementia Targets (FTD) Tau protein ABBV-8E12 Alzheimer's, Progressive supranuclear palsy.
frontotemporal demential, NI-105 (BIIB076) chronic traumatic encephalopathy, Pick's complex, primary age-related taupathy Semaphorin-4D VX15/2503 Huntington's disease, (SEMA4D) juvenile Huntington' s disease alpha-synucicin Prasinczumab Parkinson's disease, NI-202 (BIIB054) synucleinopathies superoxide NI-204 ALS, Alzheimer's Disease dismutase-1 (SOD-I) CGRP Receptor eptinezumab, Migraines, Cluster headaches fremanezumab galcanezumab Sevacizumab diabetic retinopathy (DR), myopic choroidal Ocular Anti- VEGF
neovascularization Angiogenic (mCNV), age-related Targets macular degeneration (AMD), macular edema VEGF ranibizumab Wet AMD
(LUCENTIS ) bevacizumab (AVASTIN ) brolucizumab erythropoietin LKA-651 retinal vein occlusion receptor (RVO), wet AMD, macular edema A myloid beta Sol anezumab Dry AMD
(A,6 or Abeta) peptides derived from APP
activin receptor ascrinvacumab neovascular age-related like kin use 1 macular degeneration (ALK1) complement tesidolumab dry AMD, uveitis component 5 (C5) endoglin (END carotuximab wet AMD and other retinal or CD105) disorders caused by increased vascularization complement ANX-007 glaucoma component 1Q
(C1Q) adalimumab uveitis (HUMIRA ) TNP-alpha infliximab (REMICADE ) golimumab Repulsive guidance molecule-A elezanumab multiple sclerosis Transthyretin ('TTR) NI-301 amyl oidosi s Connective tissue growth factor pamrevlumab fibrotic diseases, e.g.
(CTGF) diabetic nephropathy, liver fibrosis, idiopathic pulmonary fibrosis Neuromyelitis interleukin Satralizumab NMO, DR, DME, uveitis optica receptor 6 (NMO)/Uveitis (IL6R) sarilumab targets CD19 incbilizumab NMO
Integrin beta 7 etrolizumab ulcerative colitis, Crohn's disease Sclerostin romosozumab Osteoporosis, abnormal (EVENITY ) bone loss or weakness Table 1C
ANTIGENS ANTIBODIES INDICATIONS
(TRANSGENE) Amyloid beta (A,8 Aducanumab Alzheimer' s Disease or Abeta) peptides crenezumab gantenerumab Nervous System Targets Tau protein anti-TAU Alzheimer's, Progressive supranuclear palsy, frontotemporal demential, chronic traumatic encephalopathy, Pick's complex, primary age-related taupathy CGRP Receptor erenumab Migraine (AIMOVIGTm) ixekizumab Plaque psoriasis, psoriatic (TALTZ ) arthritis, ankylosing IL-17A sponylitis secukinumab (COSENTYX ) IL-5 mepolizumab Asthma (NUCALA ) Interleukins or interleukin IL-12/IL-23 ustekinumab Psoriasis &
Crohn's disease receptors (STELARA ) IL-4R dupilumab Atopic dermatitis vcdolizumab Ulcerative colitis &
(ENTYVIO ) Crohn's disease Integrin Natalizumah (anti- Multiple sclerosis &
integrin alpha 4) Crohn's disease PCSK9 alirocumab HeFH & HoFH
(PRALUENT ) Cardiovascular evolueomab Targets (REPATHA ) ANGPTL3 evinacumab HoFH & severe forms of dyslipidema Proinflammatory/ E06-scFv Cardiovascular diseases proatherogenic such as atherosclerosis phospholipids denosumab Osteoporosis, increasing RANKL (XGEVA and bone mass in breast and PROLIA ) prostate cancer patients, &
preventing skeletal-related events due to bone metastasis PD-I, or PD-Li or PD-L2 nivolumab Metastatic melanoma, (OPDIVO ) lymphoma, non-small cell lung carcinoma pembrolizumab (KEYTRUDA ) BLyS (B-lymphocyte stimulator, also belimumab Systemic lupus known as B-cell activating factor (BENLYSTA ) erythromatosis (BAFF)) lampalizumab Dry AMD
Ocular Targets Factor D
MMP9 andecaliximab Dry AMD
adalimumab Rheumatoid arthritis, (HUMIRA ) and psoriatic arthritis, TNF-alpha askylosing spondylitis, infliximab (REMICADE ) Crohn's disease, plaque psoriasis, ulcerative colitis eculi zumab Paroxysmal nocturnal (SOLIRIS ) hemoglobinuria, atypical hemolytic uremic Plasma Protein CS, CSa syndrome, complement-targets mediated thrombotic microangiopathy Plasma kallikrein lanadelumab Hereditary angioedema (HAE) [00165] In some embodiments, the rAAV particles are rAAV viral vectors encoding an anti-VEGF Fab. In specific embodiments, the rAAV particles are rAAV8-based viral vectors encoding an anti-VEGF Fab. hi more specific embodiments, the rAAV particles are rAAV8-based viral vectors encoding ranibizumab. In some embodiments, the rAAV
particles are rAAV
viral vectors encoding iduronidase (IDUA). In specific embodiments, the rAAV
particles are rAAV9-based viral vectors encoding IDUA. In some embodiments, the rAAV
particles are rAAV
viral vectors encoding iduronate 2-sulfatase (IDS). In specific embodiments, the rAAV particles are rAAV9-based viral vectors encoding IDS. In some embodiments, the rAAV
particles are rAAV viral vectors encoding a low-density lipoprotein receptor (LDLR). In specific embodiments, the rAAV particles arc rAAV8-based viral vectors cncoding LDLR.
In somc embodiments, the rAAV particles are rAAV viral vectors encoding tripeptidyl peptidase 1 (TPP1) protein. In specific embodiments, the rAAV particles are rAAV9-based viral vectors encoding TPPl. In some embodiments, the rAAV particles are rAAV viral vectors encoding non-membrane associated splice variant of VEGF receptor 1 (sFlt-1). In some embodiments, the rAAV particles are rAAV viral vectors encoding gamma-sarcoglycan, Rab Escort Protein 1 (REP1/CHM), retinoid isomerohydrolase (RPE65), cyclic nucleotide gated channel alpha 3 (CNGA3), cyclic nucleotide gated channel beta 3 (CNGB3), aromatic L-amino acid decarboxylase (AADC), lysosome-associated membrane protein 2 isoform B
(LAMP2B), Factor VIII, Factor IX, retinitis pigmentosa GTPase regulator (RPGR), retinoschisin (RS1), sarcoplasmic reticulum calcium ATPase (SERCA2a), aflibercept, battenin (CLN3), transmembrane ER protein (CLN6), glutamic acid decarboxylase (GAD), Glial cell line-derived neurotrophic factor (GDNF), aquaporin 1 (AQP1), dystrophin, microdystrophin, myotubularin 1 (MTM1), follistatin (FST), glucose-6-phosphatase (G6Pase), apolipoprotein A2 (AP0A2), uridine diphosphate glucuronosyl transferase 1A1 (UGT1A1), arylsulfatase B
(ARSB), N-acetyl-alpha-glucosaminidase (NAGLU), alpha-glucosidase (GAA), alpha-galactosidase (GLA), beta-gal actosidase (GLB1), lipoprotein lipase (LPL), alpha 1-antitrypsin (A AT), phosphodiesterase 6B
(PDE6B), ornithine carbamoyltransferase 90TC), survival motor neuron (SMN1), survival motor neuron (SMN2), neurturin (NRTN), Neurotrophin-3 (NT-3/NTF3), porphobilinogen deaminase (PBGD), nerve growth factor (NGF), mitochondrially encoded NADH:ubiquinone oxidoreductase core subunit 4 (MT-ND4), protective protein cathepsin A (PPCA), dysferlin, MER proto-oncogene, tyrosine Idnase (MERTK), cystic fibrosis transmembrane conductance regulator (CFTR), or tumor necrosis factor receptor (TNFR)-immunoglobulin (IgG1) Fe fusion.
[00166] In additional embodiments, rAAV particles comprise a pseudotyped AAV
capsid. In some embodiments, the pseudotyped AAV capsids are rAAV2/8 or rAAV2/9 pseudotyped AAV
capsids. Methods for producing and using pseudotyped rAAV particles are known in the art (see, e.g., Duan et al., J. Virol., 75:7662-7671 (2001); Halbert et al., J. Virol., 74:1524-1532 (2000);
Zolotukhin et al.. Methods 28:158-167 (2002); and Auricchio et al., Hum.
Molec. Genet.
10:3075-3081, (2001).
[00167] In additional embodiments, rAAV particles comprise a capsid containing a capsid protein chimeric of two or more AAV capsid serotypes. In some embodiments, the capsid protein is a chimeric of 2 or more AAV capsid proteins from AAV serotypes selected from AAV1, AAV1, AAV2, AAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15 and AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSCIO , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, or AAV.HSC16.
[00168] In certain embodiments, a single-stranded AAV (ssAAV) can be used. In certain embodiments, a self-complementary vector, e.g., scAAV, can be used (see, e.g., Wu, 2007, Human Gene Therapy, 18(2):171-82, McCarty et al, 2001, Gene Therapy, Vol. 8, Number 16, Pages 1248-1254; and U.S. Patent Nos. 6,596,535; 7,125,717; and 7,456,683, each of which is incorporated herein by reference in its entirety).
[00169] In some embodiments, the rAAV particles comprise a capsid protein from an AAV
capsid serotype selected from AAV8 or AAV9. In some embodiments, the rAAV
particles have an AAV capsid serotype of AAV8. In some embodiments, the rAAV particles have an AAV
capsid serotype of AAV9.
[00170] In some embodiments, the rAAV particles comprise a capsid protein that is a derivative, modification, or pseudotype of AAV8 or AAV9 capsid protein. In some embodiments, the rAAV
particles comprise a capsid protein that has an AAV8 capsid protein at least 80% or more identical, e.g., 85%, 85%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, 99.5%, etc., i.e. up to 100% identical, to the VP1, VP2 and/or VP3 sequence of AAV8 capsid protein.
[00171] In some embodiments, the rAAV particles comprise a capsid protein that is a derivative, modification, or pseudotype of AAV9 capsid protein. In some embodiments, the rAAV particles comprise a capsid protein that has an AAV9 capsid protein at least 80% or more identical, e.g., 85%, 85%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, 99.5%, etc., i.e. up to 100% identical, to the VP1. VP2 and/or VP3 sequence of AAV9 capsid protein.
[00172] In additional embodiments, the rAAV particles comprise a mosaic capsid. Mosaic AAV
particles are composed of a mixture of viral capsid proteins from different serotypes of AAV. In some embodiments, the rAAV particles comprise a mosaic capsid containing capsid proteins of a serotype selected from AAV1, AAV2, AAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15 and AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, and AAV.HSC16. In some embodiments, the rAAV
particles comprise a mosaic capsid containing capsid proteins of a serotype selected from AAV1, AAV2, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAVrh.8, AAVrh.10, AAVhu.37, AAVrh.20, and AAVrh.74.
[00173] In additional embodiments, the rAAV particles comprise a pseudotyped rAAV particle.
In some embodiments, the pseudotyped rAAV particle comprises (a) a nucleic acid vector comprising AAV ITRs and (b) a capsid comprised of capsid proteins derived from AAVx (e.g., AAV1, AAV2, AAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15 and AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, and AAV.HSC16). In additional embodiments, the rAAV particles comprise a pseudotyped rAAV particle comprised of a capsid protein of an AAV
serotype selected from AAV1, AAV2, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAVrh.8, and AAVrh.10. AAVhu.37, AAVrh.20, and AAVrh.74. In additional embodiments, the rAAV
particles comprise a pseudotyped rAAV particle containing AAV8 capsid protein.
In additional embodiments, the rAAV particles comprise a pseudotyped rAAV particle is comprised of AAV9 capsid protein. In some embodiments, the pseudotyped rAAV8 or rAAV9 particles are rAAV2/8 or rAAV2/9 pseudotyped particles. Methods for producing and using pseudotyped rAAV
particles are known in the art (see, e.g., Duan et al., J. Virol., 75:7662-7671 (2001); Halbert et al., J. Virol., 74:1524-1532 (2000); Zolotukhin et al., Methods 28:158-167 (2002);
and Auricchio et al., Hum. Molec. Genet. 10:3075-3081, (2001).
[00174] In additional embodiments, the rAAV particles comprise a capsid containing a capsid protein chimeric of two or more AAV capsid serotypes. In some embodiments, the rAAV
particles comprise an AAV capsid protein chimeric of AAV8 capsid protein and one or more AAV capsid proteins from an AAV serotype selected from AAV1, AAV2, AAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAVIO, AAV11, AAV12, AAV13, AAV14, AAV15 and AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, and AAV.HSC16. In some embodiments, the rAAV particles comprise an AAV capsid protein chimeric of AAV8 capsid protein and one or more AAV capsid proteins from an AAV serotype selected from AAV1, AAV2, AAV5, AAV6, AAV7, AAV9, AAV10, rAAVrh10, AAVrh.8, AAVrh.10, AAVhu.37, AAVrh.20, and AAVrh.74. In some embodiments, the rAAV particles comprise an AAV capsid protein chimeric of AAV9 capsid protein the capsid protein of one or more AAV
capsid serotypes selected from AAV1, AAV2, AAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15 and AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, and AAV.HSC16. In some embodiments, the rAAV
particles comprise an AAV capsid protein chimeric of AAV9 capsid protein the capsid protein of one or more AAV capsid serotypes selected from AAV1, AAV2, AAV3, AAV4, AAV5, AA6, AAV7, AAV8, AAV9, AAVrh.8, AAVrh.10, AAVhu.37, AAVrh.20, and AAVrh.74.
METHODS FOR ISOLATING rAAV PARTICLES
[00175] In some embodiments, the disclosure provides methods for producing recombinant adeno-associated virus (rAAV) particles, comprising isolating rAAV particles from a feed comprising an impurity (for example, rAAV production culture). In some embodiments, a method for producing recombinant adeno-associated virus (rAAV) particles described herein comprises (a) isolating rAAV particles from a feed comprising an impurity (for example, rAAV production culture), and (b) formulating the isolated rAAV particles to produce the formulation.
[00176] In some embodiments, the disclosure further provides methods for producing a pharmaceutical unit dosage of a formulation comprising isolated recombinant adeno-associated virus (rAAV) particles, comprising isolating rAAV particles from a feed comprising an impurity (for example, rAAV production culture), and formulating the isolated rAAV
particles.
[00177] Isolated rAAV particles can be isolated using methods known in the art. In some embodiments, methods of isolating rAAV particles comprises downstream processing such as, for example, harvest of a cell culture, clarification of the harvested cell culture (e.g., by centrifugation or depth filtration), tangential flow filtration, affinity chromatography, anion exchange chromatography, cation exchange chromatography, size exclusion chromatography, hydrophobic interaction chromatography, hydroxylapatite chromatography, sterile filtration, or any combination(s) thereof. In some embodiments, downstream processing includes at least 2, at least 3, at least 4, at least 5 or at least 6 of: harvest of a cell culture, clarification of the harvested cell culture (e.g., by centrifugation or depth filtration), tangential flow filtration, affinity chromatography, anion exchange chromatography, cation exchange chromatography, size exclusion chromatography, hydrophobic interaction chromatography, hydroxylapatite chromatography, and sterile filtration. In some embodiments, downstream processing comprises harvest of a cell culture, clarification of the harvested cell culture (e.g., by depth filtration), sterile filtration, tangential flow filtration, affinity chromatography, and anion exchange chromatography. In some embodiments, downstream processing comprises clarification of a harvested cell culture, sterile filtration, tangential flow filtration, affinity chromatography, and anion exchange chromatography. In some embodiments, downstream processing comprises clarification of a harvested cell culture by depth filtration, sterile filtration, tangential flow filtration, affinity chromatography, and anion exchange chromatography. In some embodiments, clarification of the harvested cell culture comprises sterile filtration. In some embodiments, downstream processing does not include centrifugation. In some embodiments, the rAAV
particles comprise a capsid protein of the AAV8 serotype. In some embodiments, the rAAV
particles comprise a capsid protein of the AAV9 scrotypc.
[00178] In some embodiments, a method of isolating rAAV particles produced according to a method described herein comprises harvest of a cell culture, clarification of the harvested cell culture (e.g., by depth filtration), a first sterile filtration, a first tangential flow filtration, affinity chromatography, anion exchange chromatography (e.g., monolith anion exchange chromatography or AEX chromatography using a quaternary amine ligand), a second tangential flow filtration, and a second sterile filtration. In some embodiments, a method of isolating rAAV
particles described herein comprises harvest of a cell culture, clarification of the harvested cell culture (e.g., by depth filtration), a first sterile filtration, affinity chromatography, anion exchange chromatography (e.g., monolith anion exchange chromatography or AEX
chromatography using a quaternary amine ligand), a tangential flow filtration, and a second sterile filtration. In some embodiments, a method of isolating rAAV particles produced according to a method described herein comprises clarification of a harvested cell culture, a first sterile filtration, a first tangential flow filtration, affinity chromatography, anion exchange chromatography (e.g., monolith anion exchange chromatography or AEX chromatography using a quaternary amine ligand), a second tangential flow filtration, and a second sterile filtration. In some embodiments, a method of isolating rAAV particles described herein comprises clarification of a harvested cell culture, a first sterile filtration, affinity chromatography, anion exchange chromatography (e.g., monolith anion exchange chromatography or AEX chromatography using a quaternary amine ligand), tangential flow filtration, and a second sterile filtration. In some embodiments, a method of isolating rAAV particles produced according to a method described herein comprises clarification of a harvested cell culture by depth filtration, a first sterile filtration, a first tangential flow filtration, affinity chromatography, anion exchange chromatography (e.g., monolith anion exchange chromatography or AEX chromatography using a quaternary amine ligand), a second tangential flow filtration, and a second sterile filtration. In some embodiments, a method of isolating rAAV particles described herein comprises clarification of a harvested cell culture by depth filtration, a first sterile filtration, affinity chromatography, anion exchange chromatography (e.g., monolith anion exchange chromatography or AEX chromatography using a quaternary amine ligand), tangential flow filtration, and a second sterile filtration. In some embodiments, the method does not include centrifugation. In some embodiments, clarification of the harvested cell culture comprises sterile filtration. In some embodiments, the rAAV particles comprise a capsid protein of the AAV8 scrotype. In some embodiments, the rAAV particles comprise a capsid protein of the AAV9 serotype.
[00179] Numerous methods are known in the art for production of rAAV
particles, including transfection, stable cell line production, and infectious hybrid virus production systems which include adenovirus-AAV hybrids, herpesvirus-AAV hybrids and baculovirus-AAV
hybrids.
rAAV production cultures for the production of rAAV virus particles all require; (1) suitable host cells, including, for example, human-derived cell lines such as HeLa, A549, or HEK293 cells and their derivatives (HEK293T cells, HEK293F cells), mammalian cell lines such as Vero, and amniocyte-derived cells such as CAP cells, or insect-derived cell lines such as SF-9 in the case of baculovirus production systems; (2) suitable helper virus function, provided by wild type or mutant adenovirus (such as temperature sensitive adenovirus), herpes virus, baculovirus, or a plasmid construct providing helper functions; (3) AAV rep and cap genes and gene products; (4) a transgene (such as a therapeutic transgene) flanked by AAV ITR sequences;
and (5) suitable media and media components to support rAAV production. In some embodiments, the suitable helper virus function is provided by a recombinant polynucleotide described herein or a plasmid described herein. Suitable media known in the art may be used for the production of rAAV
vectors. These media include, without limitation, media produced by Hyclonc Laboratories and JRH including Modified Eagle Medium (MEM), Dulbecco's Modified Eagle Medium (DMEM), and Sf-900 11 SFM media as described in U.S. Pat. No. 6,723,551, which is incorporated herein by reference in its entirety.
[00180] rAAV production cultures can routinely be grown under a variety of conditions (over a wide temperature range, for varying lengths of time, and the like) suitable to the particular host cell being utilized. As is known in the art, rAAV production cultures include attachment-dependent cultures which can be cultured in suitable attachment-dependent vessels such as, for example, roller bottles, hollow fiber filters, microcarriers, and packed-bed or fluidized-bed bioreactors. rAAV vector production cultures may also include suspension-adapted host cells such as HeLa cells, HEK293 cells, HEK293 derived cells (e.g., HEK293T cells, HEK293F cells), Vero cells, CAP cells, CHO cells, CHO-Kl cells, CHO derived cells, EB66 cells, BSC cells, HepG2 cells, LLC-MK cells, CV-1 cells, COS cells, MDBK cells, MDCK cells, CRFK
cells, RAF cells, RK cells, TCMK-1 cells, LLCPK cells, PK15 cells, LLC-RK cells, MDOK
cells, BHK cells, BHK-21 cells, NS-1 cells, MRC-5 cells, WI-38 cells, BHK cells, 3T3 cells, 293 cells, RK cells, Per.C6 cells, chicken embryo cells or SF-9 cells which can be cultured in a variety of ways including, for example, spinner flasks, stirred tank bioreactors, and disposable systems such as the Wave bag system. In some embodiments, the cells are HEK293 cells. In some embodiments, the cells are HEK293 cells adapted for growth in suspension culture. Numerous suspension cultures are known in the art for production of rAAV particles, including for example, the cultures disclosed in U.S. Patent Nos. 6,995,006, 9,783,826, and in U.S.
Pat. Appl. Pub. No.
20120122155, each of which is incorporated herein by reference in its entirety.
[00181] In some embodiments, the rAAV production culture comprises a high density cell culture. In some embodiments, the culture has a total cell density of between about 1x10E+06 cells/ml and about 30x10E+06 cells/ml. In some embodiments, more than about 50% of the cells are viable cells. In some embodiments, the cells are HeLa cells, HEK293 cells, HEK293 derived cells (e.g., HEK293T cells, HEK293F cells), Vero cells, CAP cells, or SF-9 cells. In further embodiments, the cells are HEK293 cells. In further embodiments, the cells are HEK293 cells adapted for growth in suspension culture.
[00182] In additional embodiments of the provided method the rAAV production culture comprises a suspension culture comprising rAAV particles. Numerous suspension cultures are known in the art tor production of rAAV particles, including for example, the cultures disclosed in U.S. Patent Nos. 6,995,006, 9,783,826, and in U.S. Pat. Appl. Pub. No.
20120122155, each of which is incorporated herein by reference in its entirety. In some embodiments, the suspension culture comprises a culture of mammalian cells or insect cells. In some embodiments, the suspension culture comprises a culture of HeLa cells, HEK293 cells, HEK293 derived cells (e.g., HEK293T cells, HEK293F cells), Vero cells, CAP cells, CHO cells, CHO-Kl cells, CHO derived cells, EB66 cells, BSC cells, HepG2 cells, LLC-MK cells, CV-1 cells, COS
cells, MDBK cells, MDCK cells, CRFK cells, RAF cells, RK cells, TCMK-1 cells, LLCPK cells, PK15 cells, LLC-RK cells, MDOK cells, BHK cells, BHK-21 cells, NS-1 cells, MRC-5 cells, WI-38 cells, BHK
cells, 313 cells, 293 cells, RK cells, Per.C6 cells, chicken embryo cells or SF-9 cells. In some embodiments, the suspension culture comprises a culture of HEK293 cells.
[00183] In some embodiments, methods for the production of rAAV particles encompasses providing a cell culture comprising a cell capable of producing rAAV; adding to the cell culture a histone deacetylase (HDAC) inhibitor to a final concentration between about 0.1 m1V1 and about 20 mNI; and maintaining the cell culture under conditions that allows production of the rAAV
particles. In some embodiments, the HDAC inhibitor comprises a short-chain fatty acid or salt thereof. In some embodiments, the HDAC inhibitor comprises butyrate (e.g., sodium butyrate), valproatc (e.g., sodium valproatc), propionate (e.g., sodium propionate), or a combination thereof.
[00184] In some embodiments, rAAV particles are produced as disclosed in WO
2020/033842, which is incorporated herein by reference in its entirety.
[00185] Recombinant AAV particles can be harvested from rAAV production cultures by harvest of the production culture comprising host cells or by harvest of the spent media from the production culture, provided the cells are cultured under conditions known in the art to cause release of rAAV particles into the media from intact host cells. Recombinant AAV particles can also be harvested from rAAV production cultures by lysis of the host cells of the production culture. Suitable methods of lysing cells are also known in the art and include for example multiple freeze/thaw cycles, sonication, microfluidization, and treatment with chemicals, such as detergents and/or proteases.
[00186] At harvest, rAAV production cultures can contain one or more of the following: (1) host cell proteins; (2) host cell DNA; (3) plasmid DNA; (4) helper virus; (5) helper virus proteins; (6) helper virus DNA; and (7) media components including, for example, serum proteins, amino acids, transfcrrins and other low molecular weight proteins. rAAV production cultures can further contain product-related impurities, for example, inactive vector forms, empty viral capsids, aggregated viral particles or capsids, mis-folded viral capsids, degraded viral particle.
[00187] In some embodiments, the rAAV production culture harvest is clarified to remove host cell debris. In some embodiments, the production culture harvest is clarified by filtration through a series of depth filters. Clarification can also be achieved by a variety of other standard techniques known in the art, such as, centrifugation or filtration through any cellulose acetate filter of 0.2 mm or greater pore size known in the art. In some embodiments, clarification of the harvested cell culture comprises sterile filtration. In some embodiments, the production culture harvest is clarified by centrifugation. In some embodiments, clarification of the production culture harvest does not included centrifugation.
[00188] In some embodiments, harvested cell culture is clarified using filtration. In some embodiments, clarification of the harvested cell culture comprises depth filtration. In some embodiments, clarification of the harvested cell culture further comprises depth filtration and sterile filtration. In some embodiments, harvested cell culture is clarified using a filter train comprising one or more different filtration media. In some embodiments, the filter train comprises a depth filtration media. In some embodiments, the filter train comprises one or more depth filtration media. In some embodiments, the filter train comprises two dcpth filtration media.
In some embodiments, the filter train comprises a sterile filtration media. In some embodiments, the filter train comprises 2 depth filtration media and a sterile filtration media. In some embodiments, the depth filter media is a porous depth filter. In some embodiments, the filter train comprises Claris lve 20MS, Millistak+0 COHC, and a sterilizing grade filter media. In some embodiments, the filter train comprises Claris lye 20MS, Millistak+C) COHC, and SartoporeCD
2 XLG 0.2 nm. In some embodiments, the harvested cell culture is pretreated before contacting it with the depth filter. In some embodiments, the pretreating comprises adding a salt to the harvested cell culture. In sonic embodiments, the pretreating comprises adding a chemical flocculent to the harvested cell culture. In some embodiments, the harvested cell culture is not pre-treated before contacting it with the depth filter.
[00189] In some embodiments, the production culture harvest is clarified by filtration are disclosed in WO 2019/212921, which is incorporated herein by reference in its entirety.
[00190] In some embodiments, the rAAV production culture harvest is treated with a nuclease (e.g., Benzonase0) or endonuclease (c.g., endonuclease from Scrratia marcesccns) to digest high molecular weight DNA present in the production culture. The nuclease or endonuclease digestion can routinely be performed under standard conditions known in the art. For example, nuclease digestion is performed at a final concentration of 1-2.5 units/nil of Benzonase0 at a temperature ranging from ambient to 37 C for a period of 30 minutes to several hours.
[00191] Sterile filtration encompasses filtration using a sterilizing grade filter media. In some embodiments, the sterilizing grade filter media is a 0.2 or 0.22 tm pore filter. In some embodiments, the sterilizing grade filter media comprises polyethersulfone (PES). In some embodiments, the sterilizing grade filter media comprises polyvinylidene fluoride (PVDF). In some embodiments, the sterilizing grade filter media has a hydrophilic heterogeneous double layer design. In some embodiments, the sterilizing grade filter media has a hydrophilic heterogeneous double layer design of a 0.8 pm pre-filter and 0.2 pm final filter membrane. In some embodiments, the sterilizing grade filter media has a hydrophilic heterogeneous double layer design of a 1.2 pm pre-filter and 0.2 pm final filter membrane. In some embodiments, the sterilizing grade filter media is a 0.2 or 0.22 pm pore filter. In further embodiments, the sterilizing grade filter media is a 0.2 pm pore filter. In some embodiments, the sterilizing grade filter media is a Sartopore0 2 XLG 0.2 pm, DuraporeTM PVDF Membranes 0.45pm, or Sartoguard0 PES 1.2 pm + 0.2 lam nominal pore size combination. In some embodiments, the sterilizing grade filter media is a Sartoporee 2 XLG 0.2 pm.
[00192] In some embodiments, the clarified feed is concentrated via tangential flow filtration ("TFF") before being applied to a chromatographic medium, for example, affinity chromatography medium. Large scale concentration of viruses using TFF
ultrafiltration has been described by Paul et al., Human Gene Therapy 4:609-615 (1993). TFF
concentration of the clarified feed enables a technically manageable volume of clarified feed to be subjected to chromatography and allows for more reasonable sizing of columns without the need for lengthy recirculation times. In some embodiments, the clarified feed is concentrated between at least two-fold and at least ten-fold. In some embodiments, the clarified feed is concentrated between at least ten-fold and at least twenty-fold. In some embodiments, the clarified feed is concentrated between at least twenty-fold and at least fifty-fold. In some embodiments, the clarified feed is concentrated about twenty-fold. One of ordinary skill in the art will also recognize that TFF can also be used to remove small molecule impurities (e.g., cell culture contaminants comprising media components, scrum albumin, or other scrum proteins) form the clarified feed via diafiltration. In some embodiments, the clarified feed is subjected to diafiltration to remove small molecule impurities. In some embodiments, the diafiltration comprises the use of between about 3 and about 10 diafiltration volume of buffer. In some embodiments, the diafiltration comprises the use of about 5 diafiltration volume of buffer. One of ordinary skill in the art will also recognize that TFF can also be used at any step in the purification process where it is desirable to exchange buffers before performing the next step in the purification process. In some embodiments, the methods for isolating rAAV from the clarified feed described herein comprise the use of TFF to exchange buffers.
[001931 Affinity chromatography can be used to isolate rAAV particles from a composition. In some embodiments, affinity chromatography is used to isolate rAAV particles from the clarified feed. In some embodiments, affinity chromatography is used to isolate rAAV
particles from the clarified feed that has been subjected to tangential flow filtration. Suitable affinity chromatography media are known in the art and include without limitation, AVB
SepharoseTM, POROSTM CaptureSelectTM AAVX affinity resin, POROSTM CaptureSelectTM AAV9 affinity resin, and POROSTM CapturcScicctTM AAV8 affinity resin. In some embodiments, the affinity chromatography media is POROSTm CaptureSelectTM AAV9 affinity resin. In some embodiments, the affinity chromatography media is POROSTm CaptureSelcctTM AAV8 affinity resin. In some embodiments, the affinity chromatography media is POROSTM
CaptureSelectTm AAVX affinity resin.
1100194] Anion exchange chromatography can be used to isolate rAAV particles from a composition. In some embodiments, anion exchange chromatography is used after affinity chromatography as a final concentration and polish step. Suitable anion exchange chromatography media are known in the art and include without limitation, UNOsphereTm Q
(Biorad, Hercules, Calif.), and N-charged amino or imino resins such as e.g., POROSTM 50 PI, or any DEAE, TMAE, tertiary or quaternary amine, or PEI-based resins known in the art (U.S. Pat.
No. 6,989,264; Brument et al., Mol. Therapy 6(5):678-686 (2002); Gao et al..
Hum. Gene Therapy 11:2079-2091(2000)). In some embodiments, the anion exchange chromatography media comprises a quaternary amine. In some embodiments, the anion exchange media is a monolith anion exchange chromatography resin. In some embodiments, the monolith anion exchange chromatography media comprises glycidylmethacrylate-ethylenedimethacrylate or styrenc-divinylbenzene polymers. In some embodiments, the monolith anion exchange chromatography media is selected from the group consisting of CIMmultusTm QA-1 Advanced Composite Column (Quaternary amine), CIIVImultus'm DEAE-1 Advanced Composite Column (Diethylamino), CIM QA Disk (Quaternary amine), CIM DEAL, and CIM EDA Disk (Ethylene diamino). In some embodiments, the monolith anion exchange chromatography media is CIMmultusTm QA-1 Advanced Composite Column (Quaternary amine). In some embodiments, the monolith anion exchange chromatography media is CIM QA Disk (Quaternary amine). In some embodiments, the anion exchange chromatography media is CIM QA (BIA
Separations, Slovenia). In some embodiments, the anion exchange chromatography media is BIA
CIM QA-80 (Column volume is 80mL). One of ordinary skill in the art can appreciate that wash buffers of suitable ionic strength can be identified such that the rAAV remains bound to the resin while impurities, including without limitation impurities which may be introduced by upstream purification steps are stripped away.
[00195] In some embodiments, anion exchange chromatography is performed according to a method disclosed in WO 2019/241535, which is incorporated herein by reference in its entirety.
[00196] In some embodiments, a method of isolating rAAV particles comprises determining the vector genome titer, capsid titer, and/or the ratio of full to empty capsids in a composition comprising the isolated rAAV particles. In some embodiments, the vector genome titer is determined by quantitative PCR (qPCR) or digital PCR (dPCR) or droplet digital PCR (ddPCR).
In some embodiments, the capsid titer is determined by serotype-specific ELISA. In some embodiments, the ratio of full to empty capsids is determined by Analytical Ultracentrifugation (AUC) or Transmission Electron Microscopy (TEM).
[00197] In some embodiments, the vector genome titer, capsid titer, and/or the ratio of full to empty capsids is determined by spectrophotometry, for example, by measuring the absorbance of the composition at 260 nm; and measuring the absorbance of the composition at 280 nm. In some embodiments, the rAAV particles are not denatured prior to measuring the absorbance of the composition. In some embodiments, the rAAV particles are denatured prior to measuring the absorbance of the composition. In some embodiments, the absorbance of the composition at 260 nm and 280 nm is determined using a spectrophotometer. In some embodiments, the absorbance of the composition at 260 nm and 280 nm is determined using a HPLC. In some embodiments, the absorbance is peak absorbance. Several methods for measuring the absorbance of a composition at 260 nm and 280 nm arc known in the art. Methods of determining vector gcnomc titer and capsid titer of a composition comprising the isolated recombinant rAAV particles are disclosed in WO 2019/212922, which is incorporated herein by reference in its entirety.
[00198] In additional embodiments the disclosure provides compositions comprising isolated rAAV particles produced according to a method described herein. In some embodiment, the composition is a pharmaceutical composition comprising a pharmaceutically acceptable carrier.
[00199] As used herein the term "pharmaceutically acceptable means a biologically acceptable formulation, gaseous, liquid or solid, or mixture thereof, which is suitable for one or more routes of administration, in vivo delivery or contact. A "pharmaceutically acceptable" composition is a material that is not biologically or otherwise undesirable, e.g., the material may be administered to a subject without causing substantial undesirable biological effects. Thus, such a pharmaceutical composition may be used, for example in administering rAAV
isolated according to the disclosed methods to a subject. Such compositions include solvents (aqueous or non-aqueous), solutions (aqueous or non-aqueous), emulsions (e.g., oil-in-water or water-in-oil), suspensions, syrups, elixirs, dispersion and suspension media, coatings, isotonic and absorption promoting or delaying agents, compatible with pharmaceutical administration or in vivo contact or delivery. Aqueous and non-aqueous solvents, solutions and suspensions may include suspending agents and thickcning agents. Such pharmaceutically acceptable carriers include tablets (coated or uncoated), capsules (hard or soft), microbeads, powder, granules and crystals.
Supplementary active compounds (e.g., preservatives, antibacterial, antiviral and antifungal agents) can also be incorporated into the compositions. Pharmaceutical compositions can be formulated to be compatible with a particular route of administration or delivery, as set forth herein or known to one of skill in the art. Thus, pharmaceutical compositions include carriers, diluents, or excipients suitable for administration by various routes.
Pharmaceutical compositions and delivery systems appropriate for rAAV particles and methods and uses of the invention are known in the art (see, e.g., Remington: The Science and Practice of Pharmacy (2003) 20th ed., Mack Publishing Co., Easton, Pa.; Remington's Pharmaceutical Sciences (1990) 18th ed., Mack Publishing Co., Easton, Pa.; The Merck Index (1996) 12th ed., Merck Publishing Group, Whitehouse, N.J.; Pharmaceutical Principles of Solid Dosage Forms (1993), Technonic Publishing Co., Inc., Lancaster, Pa.; Ansel and Stoklosa, Pharmaceutical Calculations (2001) 11th ed., Lippincott Williams & Wilkins, Baltimore, Md.; and Poznansky et al., Drug Delivery Systems (1980), R. L. Juliano, ed., Oxford, N.Y., pp. 253-315).
[00200] In some embodiments, the composition is a pharmaceutical unit dose. A "unit dose" refers to a physically discrete unit suited as a unitary dosage for the subject to be treated; each unit containing a predetermined quantity optionally in association with a pharmaceutical carrier (excipient, diluent, vehicle or filling agent) which, when administered in one or more doses, is calculated to produce a desired effect (e.g., prophylactic or therapeutic effect). Unit dose forms may be within, for example, ampules and vials, which may include a liquid composition, or a composition in a freeze-dried or lyophilized state; a sterile liquid carrier, for example, can be added prior to administration or delivery in vivo. Individual unit dose forms can be included in multi-dose kits or containers. Recombinant vector (e.g.. AAV) sequences, plasmids, vector genomes, and recombinant virus particles, and pharmaceutical compositions thereof can be packaged in single or multiple unit dose form for ease of administration and uniformity of dosage. In some embodiments, the composition comprises rAAV particles comprising an AAV capsid protein from an AAV capsid serotype selected from AAV1, AAV2, AAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15 and AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14. AAV.HSC15, and AAV.HSC16. In some embodiments, the AAV
capsid serotype is AAV8. In some embodiments, the AAV capsid serotype is AAV9.
EXAMPLES
Example 1. Development of improved helper plasmids.
[00201]
Plasmid pAdDeltaF6 was constructed by Dr. James M. Wilson and colleagues at UPenn. pAdDe1taF6 is 15770 bp in size. The plasmid contains the regions of adenovirus genome that are important for AAV replication, namely E2A (DNA binding protein), E4, and VA RNAI
but does not contain other adenovirus replication genes. This plasmid was derived from an El, E3 deleted molecular clone of Ad5 (pBHG10, a pBR322 based plasmid). Deletions were introduced in the Ad5 DNA to remove expression of unnecessary adenovirus genes and reduce the amount of adenovirus DNA from 32 kb to 12 kb (Figure 1, A). Finally, the ampicillin resistance gene was replaced by the kanamycin resistance gene to give pAdDe1taF6 (Figure 1, B).
The functional elements of the E2A. E4 and VA RNAI adenoviral genes necessary for AAV vector production remain in this plasmid. The adenoviral El essential gene functions are supplied by the HEK293 cells. There are also some remnant genes/elements that were resulted from partial digestion of pBHG10. These include the promoterless L3 23K/viral endoprotease, L4 100K/hexon assembly gene, L4 pVIII/hexon-associated precursor and L5 pVI/fiber genes in the map.
Figure 1 C). In pAdDeltaF6 plasmid, these genes are not transcribed due to the deletion of their promoter MLP
(Major Late Promoter). Biasiotto et al., Int. J. Mol. Sci., 16: 2893-2912;
doi:10.3390/ijms16022893 (2015). Since some of these genes including L4 100K
and L4 pVIII
overlap with E2A region, deletion of these genes may impact the production of the essential helper protein E2A as described below during the sequential reconfiguration of the helper plasmid. Furthermore, there is a L4 22K/33K gene with its own intact promoter located at this region. This gene encodes the L4 22K and L4 33K proteins involved in Adenovirus 5 packaging.
The promoter of the L4 22K/33K gene also overlaps with E2A region. Therefore, deletion of the promoter may impact the production of E2A. There is a partial adenoviral inverted terminal repeat in thc plasmid map that also resulted from partial digestion of pBHG10.
However, due to the deletion of the essential DNA polymerase gene (E2 region) for Adenovirus 5 DNA
replication, no infectious adenovirus is expected to be generated. DNA plasmid sequencing was performed by Qiagen Genomic Services and revealed 100% homology with the following important functional elements of the reference sequence pAdDeltaF6 p1707FH-Q:
3692-2808 bp; E2A DNA binding protein 11784-10194 bp; VA RNAI region 12426-13378 bp.
The sequence is confirmed at Aldevron, as part of the manufacturing process.
[00202] New helper plasmid #1 The new helper plasmid #1 (Figure 2) was constructed based on Ad5 sequence where E2A and E4 orientations were re-configured to express them bidirectionally.
The rationale behind this was to avoid possible interference from E4 strong promoter which could result in lowering the expression from E2A promoter located downstream. The new helper plasmid #1 genes were synthesized by Genscript and cloned into EcoRI/NotI
sites of pUC57 vector that was freely available from Genscript. In this new designed plasmid, some nonessential remnant genes (Ad5 structural genes) and elements that include the ITR
sequence (Ad5 inverted terminal repeat) next to E4 promoter, L3 23K/viral endoprotease, L5 pVI/fibre, and L4 pVIII/hexon-associated precursor sequences were removed. On the other hand, the L4 33K/L4 100K hcxon assembly gene was kept since the E2A transcription starting sites (TSS) arc located at that region and their removal may impact E2A expression. The virus associated (VA) RNA
was further modified by incorporating VA RNAII to VA RNA1. VA RNA is known to stimulate viral protein synthesis in infected cells and antagonizes the interferon-induced cellular defense system by regulating innate cellular response (Ma et al., Journal of Virology, Aug. 1996, p 5083-5099). The new plasmid has the size of 11,484 bp.
[00203] The new helper plasmid #1 improved AAV titers and performed well on different transgenes as shown in Figure 3. rAAV production titers were assessed using the clone 1, 2, 3, 4, and 5 HEK293-derived host cells.
[00204] New helper plasmid #2 The new helper plasmid #2 (Figure 4) was designed based on the new helper #1. In this new design, the E4 region was dissected by sequential deletion and the impact of the deletions on AAV production was investigated.
E4 Orf 1 and 2 were deleted based on results indicating that deletion of E4 Orf 1 and 2 improved AAV titers (data not shown). It is known in the field that the promoter controlling E4 region is active at earlier phase of adenovirus infection and continues to the late phases. The E4 region has the potential to transcribe and encode for 7 different proteins that are resulted from differential splicing of a single primary transcript (Orf1, 2, 3, 3/4, 4, 6, 6/7) generated by this promoter. The pattern of differential splicing for this transcript changes during the phases of viral infection with some appearing only in early phases and other in late phase (Dix et al., Journal of General Virology (1995), 76, 1051-1055). The encoded protein products of Orfl, 0rf2, 0rf3, 0r14, 0rf6, and 0rf6/7 were reported to exist in infected cells except for 0rf3/4, which might be absent or expressed below detection limit (Tauber et al., Gene 278 (2001) 1-23). Orfl encoded protein is expressed in the late phase and target a family of cellular proteins that play a role in cell signaling and signal transfection. There is no functional information about E4 product encoded by 0rf2.
Furthermore, Ad5 mutants in which E4 0rf2 were deleted, were about to grow to wild-type levels (Tauber et al., Gene 278 (2001) 1-23). The deletion of Orfl and 2 did not impact AAV production but improved its titer which indicated that E4 Orfl and 2 are not essential (Figure 5). rAAV
production titers were assessed using the clone 1, 2, 4, and 6 HEK293-derived host cells.
[00205] New helper plasmid #3 During helper plasmid #3 design, the E4 region was further dissected by sequential deletion. Different E4 variants with E4 native promoter and CMV
promoter were screened for AAV production (Figure 6). Those E4 variants with E4 0rf6-7 only gave the highest titers. E4 0rf3-4 was further removed from helper #2 to generate helper #3 (Figure 7). To further explain the rationale behind removing 0rf3 and 0rf4, it appears that 0rf3 and 0rf6 can partially or totally compensate for each other's defects. 0rf3 and 0rf6 have redundant functions and independently amplify viral DNA replication, late viral protein synthesis, shut-off of host protein synthesis, and prevent concatemer formation of viral genomes (Tauber et al., Gene 278 (2001) 1-23). E4 0rf4 also downregulates E4 transcription by inhibiting El A-mediated transactivation of the E4 promoter through its interaction with the serine/threonine protein phosphatase 2A (PP2A), an enzyme that plays an important role on numerous cellular processes. This autoregulatory loop may be required to limit the cytotoxic effects of E4 gene products during the early phase of infection, where E4 0rf4 can induce apoptosis through caspase activation in a cell line-specific manner. Therefore, further removal of E4 0rf5 resulted in prevention of this cytotoxic effect (Tauber et al., Gene 278 (2001) 1-23).
[00206] The helper #3 improved AAV titers including A AV8 and A
AV9, and different transgenes (Figures 8 and 9). rAAV production titers were assessed using the clone 1 and clone 4 HEK293-derived host cells.
[00207] New helper plasmid #4 The possibility of adding other genes to the new helper plasmid to further improve AAV titers was investigated. Incorporation of selected genes from Boca virus helper that were reported to have positive impact on AAV production (Wang et al., Molecular Therapy: Methods & Clinical Development Vol.11 December 2018), addition of a copy of El A gene and AAP (assembly-activating protein derived from trans plasmid) under CMV promoter were explored. The addition of Boca virus selected genes NP1 and NS2 genes to helper plasmid #2 (Figure 10) had no impact on AAV titers (Figure 11). It is known in the field that the assembly activating protein encoded by AAV capsid can provide increased capsid protein stability when expressed in trans (Maurer et al., 2018, Cell Reports 23, 1817-1830; Maurer et al., Journal Virology, 2019 Volume 93 Issue 7 e02013-18). The addition of AAP gene expressed in trans for AAV8 (Figure 12) had a negative impact on AAV titers (Figure 14).
ElA is known to start AAV virus replication by enhancing the transcription from the rep gene promoters, P5 and P19 and by activating E2A and E4 adenovirus promoters. ElA is also known to control the host cell cycle to accommodate for AAV viral DNA replication. A potential drawback from overexpressing ElA is that it is known to stabilize p53, which can lead to apoptosis. This can be overcome by the E1B55K and the E4Orf6 proteins that will form a complex with p53 and cause it to be degraded (Matsushita et al., Journal of General Virology (2004), 85, 2209-2214; Meier et al., Viruses 2020, 12, 662;). A copy of ElA under the control of CMV promoter was added to the helper plasmid #3 to create helper plasmid #4 (Figure 13). The location of ElA
was between E4 and VA RNA I/11. The results indicated that helper #4 further improved AAV
titers as shown in Figure 14. rAAV production titers were assessed using the clone 1 and 4 HEK293-derived host cells.
[00208] New helper plasmids #5, #6, #7, #8 and #9 It is known that E2A, E4 and VA RNA I/II
microRNA are essential helper components for AAV production (Meier et al., Viruses 2020, 12, 662; doi:10.3390/v12060662). In the current helper plasmids #1-4, L4 100K/hexon assembly and L4 22K/33K were kept in the helper plasmid #3 because their genes are located between the E2A
promoter and E2A open reading frame. This region might be important since two transcription starting sites (TSS) are located at this region as documented from the long-read direct RNA sequencing study of Donovan-Banfield et al., (Communication Biology (2020) 3:124). To test whether these two sequences could be removed while maintaining high titer, several mutations were generated based on helper #3 (Table 2). The analysis of all these mutations indicated that helper #5 and helper #8 gave similar titers or slightly higher titers than the helper plasmid #3 (Figure 15). rAAV production titers were assessed using the clone 1 and 4 HEK293-derived host cells. In the helper plasmid #5, N-terminal region of encoded hexon assembly was removed, while in helper plasmid #8 the start codon was mutated for the hexon assembly region. On the other hand, all mutants in which L4 22K/33K start codon was mutated showed decrease in titers indicating that L4 22K/33K might be important for AAV production.
These findings accord with the reported effect of L4 22K deletion, which resulted in continuous increase in E2A (DBP) expression in later phases and subsequently had a negative impact on E4 expression (Wu et al., Journal of Virology (2012) p.10474-10483; Guimet et al., Journal of Virology (2013) p.7688-7699).
[00209] The new helper plasmids also improve the quality of rAAV particles produced.
Compared to a production run performed with original helper in the transfection process transferred to a 200L production bioreactor, viral vector encoding transgene A
production performed with a Helper #5 transfection process resulted in significantly increased % full capsids (compare 36.2% to 71.9% full, as measured by AUC).
Table 2. Mutation of hexon assembly and L4 22K/33K gene based on helper plasmid #3 Plasmid Size Hexon Assembly L4 Helper #5 8.2Kb Partial deletion Helper #6 8.2Kb Partial deletion Mutation (stop codon) Helper #7 10.0Kb Mutation (stop codon) Helper #8 10.0Kb Mutation (stop codon) Helper #9 10Kb Mutation (stop codon) Mutation (stop codon) [00210] While the disclosed methods have been described in connection with what is presently considered to be the most practical and preferred embodiments, it is to be understood that the methods encompassed by the disclosure are not to be limited to the disclosed cmbodimcnts, but on the contrary, is intcndcd to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
[00211] All publications, patents, patent applications, internet sites, and accession numbers/database sequences including both polynucleotide and polypeptide sequences cited herein are hereby incorporated by reference herein in their entirety for all purposes to the same extent as if each individual publication, patent, patent application, internet site, or accession number/database sequence were specifically and individually indicated to be so incorporated by reference.
Claims (119)
1. An isolated recombinant polynucleotide comprising one or more of a) a nucleotide sequence encoding an adenovirus E2A DNA binding protein (DBP) operably linked to a first promoter and to a first polyA signal;
b) a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide operably linked to a second promoter and a second polyA signal; and c) a nucleotide sequence encoding an adenovirus VA RNA 1, wherein the isolated recombinant polynucleotide does not comprise a nucleotide sequence encoding an adenovirus ITR sequence, L3 23K endoprotease, L5 pVI/fibre, and/or pVIII/hexon-associated precursor.
b) a nucleotide sequence encoding an adenovirus E4 ORF6 and ORF7 polypeptide operably linked to a second promoter and a second polyA signal; and c) a nucleotide sequence encoding an adenovirus VA RNA 1, wherein the isolated recombinant polynucleotide does not comprise a nucleotide sequence encoding an adenovirus ITR sequence, L3 23K endoprotease, L5 pVI/fibre, and/or pVIII/hexon-associated precursor.
2. The isolated recombinant polynucleotide of claim 1, wherein the isolated recombinant polymicleotide comprises:
a) the nucleotide sequence encoding the adenovirus E2A DBP, thc nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide and the nucleotide sequence encoding the adenovirus VA RNA 1;
b) the nucleotide sequence encoding the adenovirus E2A DBP, and the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide;
c) the nucleotide sequence encoding the adenovirus E2A DBP, and the nucleotide sequence encoding the adenovirus VA RNA I;
d) the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide and the nucleotide sequence encoding the adenovirus VA RNA I;
e) the nucleotide sequence encoding the adenovirus E2A DBP;
f) the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide; or g) the nucleotide sequence encoding the adenovirus VA RNA I.
a) the nucleotide sequence encoding the adenovirus E2A DBP, thc nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide and the nucleotide sequence encoding the adenovirus VA RNA 1;
b) the nucleotide sequence encoding the adenovirus E2A DBP, and the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide;
c) the nucleotide sequence encoding the adenovirus E2A DBP, and the nucleotide sequence encoding the adenovirus VA RNA I;
d) the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide and the nucleotide sequence encoding the adenovirus VA RNA I;
e) the nucleotide sequence encoding the adenovirus E2A DBP;
f) the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide; or g) the nucleotide sequence encoding the adenovirus VA RNA I.
3. The isolated recombinant polynucleotide of claim 1 comprising the nucleotide sequence encoding the adenovirus E2A DBP, the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide and the nucleotide sequence encoding the adcnovirus VA RNA I, wherein the nucleotide sequence encoding the adenovirus E2A DBP and the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 are in opposite 5' to 3' orientation.
4. The isolated recombinant polynucleotide of any one of claims 1 to 3, wherein the nucleotide sequence encoding the adenovirus E2A DBP has at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO:
1.
1.
5. The isolated recombinant polynucleotide of any one of claim 1 to 3, wherein the nucleotide sequence encoding thc adcnovirus E2A DBP comprises SEQ ID NO: 1.
6. The isolated recombinant polynucleotide of any one of claims 1 to 5, wherein the adenovirus E2A
DBP comprises an amino acid sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ Ill NO:
45.
DBP comprises an amino acid sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ Ill NO:
45.
7. The isolated recombinant polynucleotide of any one of claims 1 to 5, wherein the adenovirus E2A
DBP comprises the amino acid sequence of SEQ ID NO: 45.
DBP comprises the amino acid sequence of SEQ ID NO: 45.
8. The isolated recombinant polynucleotide of any one of claims 1 to 7, wherein the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide has at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ
ID NO: 8.
ID NO: 8.
9. The isolated recombinant polynucleotide of any one of claims 1 to 7, wherein the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide comprises SEQ ID
NO: 8.
NO: 8.
10. The isolated recombinant polynucleotide of any one of claims 1 to 9, wherein the adenovirus E4 ORF6 and ORF7 polypeptide comprises an amino acid sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ
ID NO: 46.
ID NO: 46.
11. The isolated recombinant polynucleotide of any one of clahns 1 to 9, wherein the adenovirus E4 ORE() and ORF7 polypeptide comprises the amino acid sequence of SEQ Ill NO:
46.
46.
12. The isolated recombinant polynucleotide of any one of claims 1 to 11, wherein the nucleotide sequence encoding the adenovirus VA RNA I comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 %
identity to SEQ ID NO: 54.
identity to SEQ ID NO: 54.
13. The isolated recombinant polynucleotide of any one of claims 1 to 11, wherein the nucleotide sequence encoding the adenovirus VA RNA I encodes VA RNA I and VA RNA II, and optionally comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ
ID NO: 9.
ID NO: 9.
14. The isolated recombinant polynucleotide of any one of claims 1 to 13, wherein the first promoter and second promoter are different promoters.
15. The isolated recombinant polynucleotide of any one of claims 1 to 14, wherein the first promoter is an adenovirus E2A promoter, a CMV promoter, or a CMV derived promoter.
16. The isolated recombinant polynucleotide of claim 15, wherein the first promoter is an adenovirus E2A promoter.
17. The isolated recombinant polynucleotide of claim 16, wherein the adenovirus E2A promoter comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % idcntity to SEQ ID NO: 2.
18. The isolated recombinant polynucleotide of claim 16, wherein the adenovirus E2A promoter comprises the nucleotide sequence of SEQ ID NO: 2.
19. The isolated recombinant polynucleotide of any one of claims 15 to 18, wherein the nucleotide sequence encoding the adenovirus E2A promoter and E2A DBP comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 3 or 4.
20. The isolated recombinant polynucleotide of any one of claims 15 to 18, wherein the nucleotide sequence cncoding thc adcnovirus E2A promotcr and E2A DBP compriscs SEQ ID NO:
3 or 4.
3 or 4.
21. The isolated recombinant polynucleotide of any one of claims 15 to 18, wherein the nucleotide sequence encoding the adenovirus E2A promoter and E2A DBP comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 22 or 23.
22. The isolated recombinant polynucleotide of any one of claims 15 to 18, wherein the nucleotide sequence encoding the adenovirus E2A promoter and E2A DBP comprises SEQ ID NO:
22 or 23.
22 or 23.
23. The isolated recombinant polynucleotide of any one of claims 1 to 14, wherein the first promoter is an inducible promoter.
24. The isolated recombinant polynucleotide of any one of claims 1 to 23, wherein the second promoter is an adenovirus E4 promoter, a CMV promoter, or a CMV derived promoter.
25. The isolated recombinant polynucleotide of claim 24, wherein the second promoter is an adenovirus E4 promoter.
26. The isolated recombinant polynucleotide of claim 25, wherein the adenovirus E4 promoter comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 5.
27. The isolated recombinant polynucleotide of claim 25, wherein the adenovirus E4 promoter comprises the nucleotide sequence of SEQ ID NO: 5.
28. The isolated recombinant polynucleotide of any one of claims 1 to 23, wherein the second promoter is an inducible promoter.
29. The isolated recombinant polynucleotide of any one of claims 1 to 28 comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 10.
30. The isolated recombinant polynucleotide of any one of claims 1 to 28 comprising the nucleotide sequence of SEQ ID NO: 10.
31. The isolated recombinant polynueleotide of any one of claims 1 to 28 comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 11.
32. The isolated recombinant polynucleotide of any one of claims 1 to 28 comprising the nucleotide sequence of SEQ ID NO: 11.
33. The isolated recombinant polynucleotide of any one of claims 1 to 28 further comprising a nucleotide sequence encoding a Boca virus NP1 and NS2 polypeptides operably linked to a third promotcr and to a third polyA signal.
34. The isolated recombinant polynucleotide of claim 33, wherein the nucleotide sequence encoding the Boca virus NP1 and NS2 polypeptides have at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO:
12.
12.
35. The isolated recombinant polynucleotide of claim 33, wherein the nucleotide sequence encoding the Boca virus NP1 and NS2 polypeptides comprises SEQ ID NO: 12.
36. The isolated recombinant polynucleotide of any one of claims 33 to 35, wherein the third promoter is a CMV promoter.
37. The isolated recombinant polynucleotide of any one of claims 33 to 35 comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 13.
38. The isolated recombinant polynucleotide of any one of claims 33 to 35 comprising the nucleotide sequence of SEQ ID NO: 13.
39. The isolated recombinant polynucleotide of any one of claims 33 to 38 comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 14.
40. The isolated recombinant polynucleotide of any one of claims 33 to 38 comprising the nucleotide sequence of SEQ ID NO: 14.
41. The isolated recombinant polynucleotide of any one of claims 1 to 28 further comprising a nucleotide sequence encoding a adeno-associated virus (AAV) assembly-activating protein (AAP) operably linked to a third promoter and to a third polyA signal.
42. The isolated recombinant polynucleotide of claim 41, wherein the nucleotide sequence encoding the AAV AAP have at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 15.
43. The isolated recombinant polynucleotide of claim 41, wherein the nucleotide sequence encoding thc AAV AAP compriscs SEQ ID NO: 15.
44. The isolated recombinant polynucleotide of any one of claims 41 to 43, wherein the third promoter is a CMV promoter.
45. The isolated recombinant polynucleotide of any one of claims 41 to 44 comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 16.
46. The isolated recombinant polynucleotide of any one of claims 41 to 44 comprising the nucleotide sequence of SEQ ID NO: 16.
47. Thc isolated recombinant polynucicotidc of any onc of claims 41 to 46 comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 17.
48. The isolated recombinant polynucleotide of any one of claims 41 to 46 comprising the nucleotide sequence of SEQ ID NO: 17.
49. The isolated recombinant polynucleotide of any one of claims 1 to 28 further comprising a nucleotide sequence encoding an adenovirus El A polypeptide operably linked to a third promoter and to a third polyA signal.
50. The isolated recombinant polynucleotide of clahn 49, wherein the nucleotide sequence encoding the adenovirus FAA polypeptide has at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 18.
51. The isolated recombinant polynucleotide of claim 49, wherein the nucleotide sequence encoding the adenovirus El A polypeptide comprises SEQ ID NO: 18.
52. The isolated recombinant polynucleotide of claim 49, wherein the adenovirus ElA polypeptide comprises an amino acid sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 51.
53. The isolated recombinant polynucleotide of claim 49, wherein the adenovirus ElA polypeptide comprises the amino acid sequence of SEQ ID NO: 51.
54. The isolated recombinant polynucleotide of any one of claims 49 to 53, wherein the third promoter is a CMV promoter.
55. The isolated recombinant polynucleotide of any one of claims 49 to 54 comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 19.
56. The isolated recombinant polynucleotide of any one of claims 49 to 54 comprising the nucleotide sequence of SEQ ID NO: 19.
57. The isolated recombinant polynucleotide of any one of claims 49 to 56 comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ NO: 20.
58. The isolated recombinant polynucleotide of any one of claims 49 to 56 comprising the nucleotide sequence of SEQ ID NO: 20.
59. The isolated recombinant polynucleotide of any one of claims 1 to 27, 33 to 36, 41 to 44 and 49 to 54, wherein the isolated recombinant polynucleotide comprises a nucleotide sequence encoding the E2A promoter, L4 22K/33K polypeptides and promoter, L4 100k/hexon assembly polypeptide comprising an N terminal deletion and the E2A DBP, wherein the N-terminal deletion of the L4 100k/hexon assembly polypept i de corresponds to the nucleotide sequence of SEQ Ill NO: 21.
60. The isolated recombinant polynucleotide of claim 59, wherein the nucleotide sequence encoding thc E2A promoter, L4 22K/33K polypeptides and promotcr, L4 100k/hexon assembly polypeptide comprising an N terminal deletion and the E2A DBP comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100% identity to SEQ ID NO: 22.
61. The isolated recombinant polynucleotide of claim 59, wherein the nucleotide sequence encoding the E2A promoter, L4 22K/33K polypeptides and promoter, L4 100k/hexon assembly polypeptide comprising an N terminal deletion and the E2A DBP comprises SEQ ID
NO: 22.
NO: 22.
62. The isolated recombinant polynucleotide of any one of claims 1 to 27, 33 to 36, 41 to 44 and 49 to 54, wherein the isolated recombinant polynucleotide comprises a nucleotide sequence encoding the E2A promoter, L4 221Q33K polypeptides and promoter, L4 100k/hexon assembly polypeptide comprising a mutation in its start codon and the E2A DBP.
63. The isolated recombinant polynucleotide of claim 62, wherein the nucleotide sequence encoding the E2A promoter, L4 22K/33K polypeptides and promoter, L4 100k/hexon assembly polypeptide comprising a mutation in its start codon and the E2A DBP comprises a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100% identity to SEQ ID NO: 23.
64. The isolated recombinant polynucleotide of claim 62, wherein the nucleotide sequence encoding the E2A promoter, L4 22K/33K polypeptides and promoter, L4 100k/hexon assembly polypeptide comprising a mutation in its start codon and the E2A DBP comprises SEQ ID NO:
23.
23.
65. The isolated recombinant polynucleotide of any one of claims 1 to 27, 33 to 36, 41 to 44 and 49 to 54, wherein the isolated recombinant polynucleotide comprises a nucleotide sequence encoding the E2A promoter, L4 22K/33K polypeptides and promoter, L4 100k/hexon assembly polypeptide comprising an N terminal deletion and the E2A DBP, wherein the N-terrninal deletion of the L4 100k/hexon assembly polypeptide encompasses the start codon of LA
100k/hexon assembly but does not encompass the start codon of the L4 22K/33K
polypeptides.
100k/hexon assembly but does not encompass the start codon of the L4 22K/33K
polypeptides.
66. The isolated recombinant polynucleotide of any one of claims 1 to 27, 33 to 36, 41 to 44 and 49 to 54, wherein the isolated recombinant polynucleotide comprises a nucleotide sequence encoding the E2A promoter, L4 22K/33K polypeptides and promoter, L4 100k/hexon assembly polypeptide comprising an N terminal deletion and the E2A DBP, wherein all or part of the L4 100k/hexon assembly polypeptide is deleted without disruption of the L4 22K/33K start codon.
67. The isolated recombinant polynucleotide of any one of claims 1 to 27, 33 to 36, 41 to 44 and 49 to 54, and 45 to 50, wherein the isolated recombinant polynucleotide comprises a nucleotide sequence encoding the E2A promoter, L4 22K/33K polypeptides and promoter. L4 100k/hexon assembly polypeptide comprising an N terminal deletion and the E2A
DBP, wherein the N-terminal deletion of the L4 100kThexon assembly starts at the start codon of L4 100kThexon assembly and ends immediately adjacent to the L4 22K/33K promoter.
DBP, wherein the N-terminal deletion of the L4 100kThexon assembly starts at the start codon of L4 100kThexon assembly and ends immediately adjacent to the L4 22K/33K promoter.
68. The isolated recombinant polynucleotide of any one of claims 1 to 27, 33 to 36, 41 to 44 and 49 to 54, and 59 to 67 comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 25, 27, 29, 31 or 33.
69. The isolated recombinant polynucleotide of any one of claims 1 to 27, 33 to 36, 41 to 44 and 49 to 54, and 59 to 67 comprising the nucleotide sequence of SEQ Ill NO: 25, 27, 29, 31 or 33.
70. The isolated recombinant polynucleotide of any one of claims 1 to 27, 33 to 36, 41 to 44 and 49 to 54, and 59 to 69 comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 26, 28, 30, 32 or 34.
71. The isolated recombinant polynucleotide of any one of claims 1 to 27, 33 to 36, 41 to 44 and 49 to 54, and 59 to 69 comprising the nucleotide sequence of SEQ ID NO: 26, 28, 30, 32 or 34.
72. The isolated recombinant polynucleotide of any one of claims 1-71, wherein the isolated recombinant polynucleotide comprises the nucleotide sequence encoding the adenovirus E2A
DBP, thc nucleotide sequence cncoding the adcnovirus E4 ORF6 and ORF7 polypeptide and thc nucleotide sequence encoding the adenovirus VA RNA I.
DBP, thc nucleotide sequence cncoding the adcnovirus E4 ORF6 and ORF7 polypeptide and thc nucleotide sequence encoding the adenovirus VA RNA I.
73. The isolated recombinant pol ynucl eoti de of any one of claims 1-71, wherein the isol ated recombinant polynucleotide comprises the nucleotide sequence encoding the adenovirus E2A
DBP, and the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide.
DBP, and the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide.
74. The isolated recombinant polynucleotide of any one of claims 1-71, wherein the isolated recombinant polynucleotide comprises the nucleotide sequence encoding the adenovirus E2A
DBP, and the nucleotide sequence encoding the adenovirus VA RNA I.
DBP, and the nucleotide sequence encoding the adenovirus VA RNA I.
75. Thc isolated recombinant polynucleotide of any onc of claims 1-71, whcrcin the isolated recombinant polynucleotide comprises the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide and the nucleotide sequence encoding the adenovirus VA RNA I.
76. The isolated recombinant polynucleotide of any one of claims 1-71, wherein the isolated recombinant polynucleotide comprises the nucleotide sequence encoding the adenovirus E2A
DBP.
DBP.
77. The isolated recombinant polynucleotide of any one of claims 1-71, wherein the isolated recombinant polynucleotide comprises the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide.
78. The isolated recombinant polynucleotide of any one of claims 1-71, wherein the isolated recombinant polynucleotide comprises the nucleotide sequence encoding the adenovirus VA
RNA T.
RNA T.
79. The isolated recombinant polynucleotide of any one of claims 1 to 78, wherein the isolated recombinant polynucleotide is a plasmid comprising a bacterial replication origin and a selectable marker gene.
80. The isolated recombinant polynucleotide of claim 79, wherein the bacterial replication origin is a Co1E1 origin.
81. The isolated recombinant polynucleotide of claim 79 or claim 80, wherein the selectable marker gene is a drug resistance gene.
82. The isolated recombinant polynucleotide of claim 81, wherein the selectable marker gene is a kanamycin resistance gene.
83. The isolated recombinant polynucleotide of any one of claims 1 to 82 comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 37-42 or 43.
84. The isolated recombinant polynucleotide of any one of claims 1 to 82 comprising the nucleotide sequence of SEQ ID NO: 37-42 or 43.
85. The isolated recombinant polynucleotide of any one of claims 1 to 82 comprising a nucleotide sequence having at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99% or 100 % identity to SEQ ID NO: 37.
86. The isolated recombinant polynucleotide of any one of claims 1 to 82 comprising the nucleotide sequence of SEQ ID NO: 37.
87. A host cell comprising the isolated recombinant polynucleotide of any one of claims 1 to 86.
88. The host cell of claim 87, wherein the host cell is a bacterial cell.
89. Thc host cell of claim 87, wherein thc host cell is an E. coli cell.
90. The host cell of claim 87, wherein the host cell is a eukaryotic cell.
91. The host cell of claim 87, wherein the host cell is a mammalian cell.
92. The host cell of claim 87, wherein the host cell is a HEK293 cell, HEK
derived cell, CHO cell, CHO derived cell, HeLa cell, SF-9 cell, BHK cell, Vero cell, CAP cell, or PerC6 cell .
derived cell, CHO cell, CHO derived cell, HeLa cell, SF-9 cell, BHK cell, Vero cell, CAP cell, or PerC6 cell .
93. A method of producing the isolated recombinant polynucleotide of any one of claims 1 to 86 comprising incubating under suitable conditions the host cell of any of claims 87 to 92.
94. The method of claim 93 comprising incubating under suitable conditions the host cell of claim 88 or claim 89.
95. A method of producing recombinant adeno-associated virus (rAAV) particles comprising culturing a cell capable of producing the rAAV particles, wherein the cell comprises i. a polynucleotide encoding an A AV capsid protein;
ii. a polynucleotide encoding a functional rep gene;
iii. a polynucleotide comprising a genome comprising at least one AAV inverted terminal repeat (ITR) and a non-AAV nucleic acid sequence encoding a gene product operably linked to sequences which direct expression of the gene product in a target cell; and iv. one or more polynucleotides comprising sufficient helper functions to permit packaging of the genome into the AAV capsid protein under conditions which permit packaging of the genome into the AAV capsid, wherein the one or more polynucleotides comprising sufficient helper functions independently comprise the isolated recombinant polynucleotide of any one of claims 1 to 86.
ii. a polynucleotide encoding a functional rep gene;
iii. a polynucleotide comprising a genome comprising at least one AAV inverted terminal repeat (ITR) and a non-AAV nucleic acid sequence encoding a gene product operably linked to sequences which direct expression of the gene product in a target cell; and iv. one or more polynucleotides comprising sufficient helper functions to permit packaging of the genome into the AAV capsid protein under conditions which permit packaging of the genome into the AAV capsid, wherein the one or more polynucleotides comprising sufficient helper functions independently comprise the isolated recombinant polynucleotide of any one of claims 1 to 86.
96. The method of claim 95, wherein the one or more polynucleotides comprising sufficient helper functions comprise the isolated polynucleotide comprising the nucleotide sequence encoding the adenovirus E2A DBP, the nucleotide sequence encoding the adenovirus E4 ORR) and ORF7 polypeptide and the nucleotide sequence encoding the adenovirus VA RNA I.
97. A method of producing rA AV particles, comprising a) providing a cell culture comprising a cell;
b) introducing into the cell one or more polynucleotides comprising i. a polynucleotide encoding an AAV capsid protein;
ii. a polynucleotide encoding a functional rep gene;
iii. a polynucleotide comprising a genome comprising at least one AAV inverted terminal repeat (ITR) and a non-AAV nucleic acid sequence encoding a gene product operably linked to sequences which direct expression of the gene product in a target cell; and iv. one or more polynucleotides comprising sufficient helper functions to permit packaging of the genome into the AAV capsid protein under conditions which permit packaging of the genome into the AAV capsid, wherein the one or more polynucleotides comprising sufficient helper functions independently comprise the polynucleotide of any one of claims 1 to 86, and c) maintaining the cell culture under conditions that allow production of the rAAV particles.
b) introducing into the cell one or more polynucleotides comprising i. a polynucleotide encoding an AAV capsid protein;
ii. a polynucleotide encoding a functional rep gene;
iii. a polynucleotide comprising a genome comprising at least one AAV inverted terminal repeat (ITR) and a non-AAV nucleic acid sequence encoding a gene product operably linked to sequences which direct expression of the gene product in a target cell; and iv. one or more polynucleotides comprising sufficient helper functions to permit packaging of the genome into the AAV capsid protein under conditions which permit packaging of the genome into the AAV capsid, wherein the one or more polynucleotides comprising sufficient helper functions independently comprise the polynucleotide of any one of claims 1 to 86, and c) maintaining the cell culture under conditions that allow production of the rAAV particles.
98. The method of claim 97, wherein the one or more polynucleotides comprising sufficient helper functions comprise the isolated polynucleotide comprising the nucleotide sequence encoding the adenovirus E2A DBP, the nucleotide sequence encoding the adenovirus E4 ORF6 and ORF7 polypeptide and the nucleotide sequence encoding the adenovirus VA RNA I.
99. The method of claim 97 or claim 98, comprising introducing into the cell a polynucleotide encoding an AAV capsid protein and a functional rep gene.
100. The method of any one of claims 97 to 99, wherein the introducing of the one or more polynucleotides into the cell is by transfection.
101. The method of any one of claims 95 to 100, wherein the cell is a mammalian cell.
102. The method of any one of claims 95 to 100, wherein the cell is an insect cell.
103. The method of any one of claims 95 to 100, wherein the cell is a HEK293 cell, HEK derived cell, CHO cell, CHO derived cell, HeLa cell, SF-9 cell, BHK cell, Vero cell, or PerC6 cell.
104. The mcthod of any onc of claims 95 to 100, whcrcin thc cell is a HEK293 cell.
105. The method of any one of claims 95 to 104, wherein the cell culture is a suspension culture or an adherent culture.
106. The method of any one of claims 95 to 105, further comprising recovering the rAAV particles.
107. The method of any one of claims 95 to 105, wherein the method produces more rAAV particles measured as GC/nal than a reference method using a polynucleotide comprising helper functions comprising the nucleotide sequence of SEQ ID NO: 44.
108. The method of any one of claims 95 to 105, wherein the method produces at least about twice as many rAAV particles mcasurcd as GC/ml than a reference mcthod using a polynucleotide comprising helper functions comprising the nucleotide sequence of SEQ ID NO:
44.
44.
109. The method of any one of claims 95 to 105, wherein the method produces a population of rAAV
particles comprising more full capsids than a reference method using a polynucleotide comprising helper functions comprising the nucleotide sequence of SEQ ID NO: 44.
particles comprising more full capsids than a reference method using a polynucleotide comprising helper functions comprising the nucleotide sequence of SEQ ID NO: 44.
110. The method of any one of claims 95 to 109, wherein the cell culture has a volume between about 50 liters and about 20,000 liters.
111. The method of any one of claims 95 to 110, wherein the rAAV particles comprise a capsid protein of the AAV1, AAV2, AAV3, AAV4, AAV5, AAV6, AAV7, AAV8, AAV9, AAV10, AAV11, AAV12, AAV13, AAV14, AAV15 and AAV16, AAV.rh8, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, AAV.hu37, AAV.Anc80, AAV.Anc80L65, AAV.7m8, AAV.PHP.B, AAV2.5, AAV2tYF, AAV3B, AAV.LK03, AAVMYO, MyoAAV.1 A, MyoAAV1C, AAV.HSC1, AAV.HSC2, AAV.HSC3, AAV.HSC4, AAV.HSC5, AAV.HSC6, AAV.HSC7, AAV.HSC8, AAV.HSC9, AAV.HSC10 , AAV.HSC11, AAV.HSC12, AAV.HSC13, AAV.HSC14, AAV.HSC15, or AAV.HSC16 serotype.
112. The method of any one of claims 95 to 110, wherein the rAAV particles comprise a capsid protein of the AAV8, AAV9, AAV.rh10, AAV.rh20, AAV.rh39, AAV.Rh74, AAV.RHM4-1, or AAV.hu37 serotype.
113. The method of any one of claims 95 to 110, wherein the rAAV particles comprise a capsid protein of the AAV8 or AAV9 serotype.
114. The method of any one of claims 95 to 110, wherein the gene product is a polypeptide or a double stranded RNA molecule.
115. The method of claim 114, wherein the gene product is a polypeptide.
116. The method of claim 115, wherein the gene product is anti-VEGF Fab, anti-kallikrein antibody, anti-TNF antibody, microdystrophin, minidystrophin, iduronidase (IDUA), iduronate 2-sulfatase (IDS), low-density lipoprotein receptor (LDLR), tripeptidyl peptidase 1 (TPP1), or non-membrane associated splice variant of VEGF receptor 1 (sFlt-1).
117. The method of claim 115, wherein the gene product is an gamma-sarcoglycan, Rab Escort Protein 1 (REP1/CHM), rctinoid isomerohydrolasc (RPE65), cyclic nucleotide gated channel alpha 3 (CNGA3), cyclic nucleotide gated channel beta 3 (CNGB3), aromatic L-amino acid decarboxylase (A ADC), lysosome-associated membrane protein 2 isoform B
(LAMP2B), Factor VIII, Factor IX, retinitis pigmentosa GTPase regulator (RPGR), retinoschisin (RS1), sarcoplasmic reticulum calcium ATPase (SERCA2a), aflibercept. battenin (CLN3), transmembrane ER protein (CLN6), glutamic acid decarboxylase (GAD), Glial cell line-derived neurotrophic factor (GDNF), aquaporin 1 (AQP1), dystrophin, myotubularin 1 (MTM1), follistatin (FST), glucose-6-phosphatase (G6Pase), apolipoprotein A2 (AP0A2), uridine diphosphate glucuronosyl transferase 1A1 (UGT1A1), arylsulfatase B (ARSB), N-acetyl-alpha-glucosaminidase (NAGLU). alpha-glucosidase (GAA), alpha-galactosidase (GLA), beta-galactosidase (GLB1), lipoprotein lipase (LPL), alpha 1-antitrypsin (AAT), phosphodiesterase 6B
(PDE6B), ornithine carbamoyltransferase 90TC), survival motor neuron (SMN1), survival motor neuron (SMN2), neurturin (NRTN), Neurotrophin-3 (NT-3/NTF3), porphobilinogen deaminase (PBGD), nerve growth factor (NGF), mitochondrially encoded NADH:ubiquinone oxidoreductase core subunit 4 (MT-ND4), protective protein cathepsin A (PPCA), dysferlin, MER proto-oncogene, tyrosine kinase (MERTK), cystic fibrosis transmembrane conductance regulator (CFTR), or tumor nccrosis factor rcccptor (TNFR)-immunoglobulin (IgG1) Fc fusion.
(LAMP2B), Factor VIII, Factor IX, retinitis pigmentosa GTPase regulator (RPGR), retinoschisin (RS1), sarcoplasmic reticulum calcium ATPase (SERCA2a), aflibercept. battenin (CLN3), transmembrane ER protein (CLN6), glutamic acid decarboxylase (GAD), Glial cell line-derived neurotrophic factor (GDNF), aquaporin 1 (AQP1), dystrophin, myotubularin 1 (MTM1), follistatin (FST), glucose-6-phosphatase (G6Pase), apolipoprotein A2 (AP0A2), uridine diphosphate glucuronosyl transferase 1A1 (UGT1A1), arylsulfatase B (ARSB), N-acetyl-alpha-glucosaminidase (NAGLU). alpha-glucosidase (GAA), alpha-galactosidase (GLA), beta-galactosidase (GLB1), lipoprotein lipase (LPL), alpha 1-antitrypsin (AAT), phosphodiesterase 6B
(PDE6B), ornithine carbamoyltransferase 90TC), survival motor neuron (SMN1), survival motor neuron (SMN2), neurturin (NRTN), Neurotrophin-3 (NT-3/NTF3), porphobilinogen deaminase (PBGD), nerve growth factor (NGF), mitochondrially encoded NADH:ubiquinone oxidoreductase core subunit 4 (MT-ND4), protective protein cathepsin A (PPCA), dysferlin, MER proto-oncogene, tyrosine kinase (MERTK), cystic fibrosis transmembrane conductance regulator (CFTR), or tumor nccrosis factor rcccptor (TNFR)-immunoglobulin (IgG1) Fc fusion.
118. The method of claim 115, wherein the gene product is a dystrophin or a microdystrophin.
119. The method of claim 114, wherein the gene product i s a microRNA.
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US63/320,335 | 2022-03-16 | ||
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