WO2001021810B1 - Chlamydia antigens and corresponding dna fragments and uses thereof - Google Patents

Chlamydia antigens and corresponding dna fragments and uses thereof

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Publication number
WO2001021810B1
WO2001021810B1 PCT/CA2000/001085 CA0001085W WO0121810B1 WO 2001021810 B1 WO2001021810 B1 WO 2001021810B1 CA 0001085 W CA0001085 W CA 0001085W WO 0121810 B1 WO0121810 B1 WO 0121810B1
Authority
WO
WIPO (PCT)
Prior art keywords
polypeptide
nucleic acid
seq
vaccine
acid sequence
Prior art date
Application number
PCT/CA2000/001085
Other languages
French (fr)
Other versions
WO2001021810A1 (en
Inventor
Andrew D Murdin
Raymond P Oomen
Joe Wang
Pamela Dunn
Original Assignee
Aventis Pasteur
Andrew D Murdin
Raymond P Oomen
Joe Wang
Pamela Dunn
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Aventis Pasteur, Andrew D Murdin, Raymond P Oomen, Joe Wang, Pamela Dunn filed Critical Aventis Pasteur
Priority to AU73982/00A priority Critical patent/AU7398200A/en
Publication of WO2001021810A1 publication Critical patent/WO2001021810A1/en
Publication of WO2001021810B1 publication Critical patent/WO2001021810B1/en

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Classifications

    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N9/00Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
    • C12N9/10Transferases (2.)
    • C12N9/1048Glycosyltransferases (2.4)
    • C12N9/1051Hexosyltransferases (2.4.1)
    • C12N9/1071,4-Alpha-glucan branching enzyme (2.4.1.18)
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2319/00Fusion polypeptide

Abstract

The present invention provides a method of nucleic acid, including DNA, immunization of a host, including humans, against disease caused by infection by a strain of Chlamydia, specifically C. pneumoniae, employing a vector containing a nucleotide sequence encoding lpxB of a strain of Chlamydia pneumoniae and a promoter to effect expression of the lpxB gene in the host. Modifications are possible within the scope of this invention.

Claims

58AMENDED CLAIMS[received by the International Bureau on 12 March 2001 (12.03.01); original claims 8-34 replaced by new claims 8-43; remaining claims unchanged (10 pages)]
1. A nucleic acid molecule comprising a nucleic acid sequence which encodes a polypeptide selected from any of:
(a) SEQ ID NO: 2 ;
(b) an immunogenic fragment comprising at least 12 consecutive amino acids from a polypeptide of (a) ; and
(c) a polypeptide of (a) or (b) which has been modified without loss of immunogenicity, wherein said modified polypeptide is at least 75% identical in amino acid sequence to the corresponding polypeptide of (a) or (b) .
2. A nucleic acid molecule comprising a nucleic acid sequence selected from any of :
(a) SEQ ID No: 1;
(b) a sequence which encodes a polypeptide encoded by SEQ ID No: 1;
(c) a sequence comprising at least 38 consecutive nucleotides from any one of the nucleic acid sequences of (a) and (b) ; and
(d) a sequence which encodes a polypeptide which is at least 75% identical in amino acid sequence to the polypeptide encoded by SEQ ID No: 1.
3. A nucleic acid molecule comprising a nucleic acid sequence which is anti-sense to the nucleic acid molecule of claim 1 or 2.
4. A nucleic acid molecule comprising a nucleic acid sequence which encodes a fusion protein, said fusion protein 59
comprising a polypeptide encoded by a nucleic acid molecule according to claim 1 and a second polypeptide.
5. The nucleic acid molecule of claim 4 wherein the second polypeptide is a heterologous signal peptide.
6. The nucleic acid molecule of claim 4 wherein the second polypeptide has adjuvant activity.
7. A nucleic acid molecule according to any one of claims 1 to 6, operatively linked to one or more expression control sequences .
8. A vaccine comprising a vaccine vector and at least one first nucleic acid selected from any of:
(i) SEQ ID No: 1;
(ii) a nucleic acid sequence which encodes a polypeptide encoded by SEQ ID No: 1;
(iii) a nucleic acid sequence comprising at least 38 consecutive nucleotides from any one of the nucleic acid sequences of (i) and (ii) ;
(iv) a nucleic acid sequence which encodes a polypeptide which is at least 75% identical in amino acid sequence to the polypeptide encoded by SEQ ID No: 1;
(v) a nucleic acid sequence which encodes a polypeptide whose sequence is set forth in SEQ ID No: 2;
(vi) a nucleic acid sequence which encodes an immunogenic fragment comprising at least 12 consecutive amino acids from SEQ ID No: 2; and
(vii) a nucleic acid sequence which encodes a polypeptide as defined in (i) to (v) or an immunogenic fragment 60
as defined in (vi) which has been modified without loss of immunogenicity, wherein said modified polypeptide or fragment is at least 75% identical in amino acid sequence to the corresponding polypeptide of (i) to (v) or the corresponding fragment of (vi) ;
wherein each first nucleic acid is capable of being expressed and wherein the vaccine optionally comprises a second nucleic acid encoding and capable of expressing an additional polypeptide which enhances the immune response to the polypeptide expressed by the first nucleic acid.
9. A vaccine comprising a vaccine vector and at least one first nucleic acid encoding a fusion protein, wherein the fusion protein comprises:
(a) a first polypeptide selected from any of:
(i) a polypeptide encoded by SEQ ID No: 1;
(ii) a polypeptide encoded by a nucleic acid sequence comprising at least 38 consecutive nucleotides from SEQ ID NO: 1;
(iϋ) a polypeptide which is at least 75% identical in amino acid sequence to the polypeptide encoded by SEQ ID No: l;
(iv) a polypeptide whose sequence is set forth in SEQ ID No: 2 ;
(v) an immunogenic fragment comprising at least 12 consecutive amino acids from SEQ ID No: 2; and 61
(vi) a polypeptide as defined in (i) to (iv) or an immunogenic fragment as defined in (v) which has been modified without loss of immunogenicity, wherein said modified polypeptide or fragment is at least 75% identical in amino acid sequence to the corresponding polypeptide of (i) to (iv) or the corresponding fragment of (v) ; and
(b) a second polypeptide;
wherein each first nucleic acid is capable of being expressed and wherein the vaccine optionally comprises a second nucleic acid encoding and capable of expressing an additional polypeptide which enhances the immune response to the first polypeptide.
10. The vaccine of claim 9 wherein the second polypeptide is a heterologous signal peptide.
11. The vaccine of claim 9 wherein the second polypeptide has adjuvant activity.
12. The vaccine of any one of claims 8 to 11 wherein wherein each first nucleic acid is operatively linked to one or more expression control sequences.
13. A vaccine comprising at least one first nucleic acid according to any one of claims 1, 2, and 4 to 7 and a vaccine vector wherein each first nucleic acid is expressed as a polypeptide, the vaccine optionally comprising a second nucleic acid encoding an additional polypeptide which enhances the immune response to the polypeptide expressed by said first nucleic acid.
14. The vaccine of any one of claims 8 to 13 wherein the second nucleic acid encodes an additional Chlamydia polypeptide.
15. A pharmaceutical composition comprising a nucleic acid according to any one of claims 1 to 7 and a pharmaceutically acceptable carrier.
16. A pharmaceutical composition comprising a vaccine according to any one of claims 8 to 14 and a pharmaceutically acceptable carrier.
17. A unicellular host transformed with the nucleic acid molecule of claim 7.
18. An isolated nucleic acid probe of 5 to 100 nucleotides which hybridizes under stringent conditions to the nucleic acid molecule of SEQ ID No: 1, or to a complementary or anti-sense sequence of said nucleic acid molecule.
19. An isolated primer of 10 to 40 nucleotides which hybridizes under stringent conditions to the nucleic acid molecules of SEQ ID No: 1, or to a complementary or anti-sense sequence of said nucleic acid molecule.
20. A polypeptide encoded by a nucleic acid sequence according to any one of claims 1, 2 and 4 to 7.
21. A polypeptide comprising an amino acid sequence selected from any of:
(a) SEQ ID No: 2;
(b) an immunogenic fragment comprising at least 12 consecutive amino acids from a polypeptide of (a) ,- and
(c) a polypeptide of (a) or (b) which has been modified without loss of immunogenicity, wherein said modified polypeptide is at least 75% identical in amino acid sequence to the corresponding polypeptide of (a) or (b) . 6 3
22. A fusion protein comprising a polypeptide of claim 20 or 21 and a second polypeptide.
23. The fusion protein of claim 22 wherein the second polypeptide is a heterologous signal peptide.
24. The fusion protein of claim 22 wherein the second polypeptide has adjuvant activity.
25. A method for producing a polypeptide of claim 20 or 21, or a fusion protein of any one of claims 22 to 24, comprising the step of culturing a unicellular host of claim 17.
26. An antibody against the polypeptide of claim 20 or 21, or against a fusion protein of any one of claims 22 to 24.
27. A vaccine comprising at least one first polypeptide selected from any o :
(i) a polypeptide encoded by SEQ ID No: 1;
(ii) a polypeptide encoded by a nucleic acid sequence comprising at least 38 consecutive nucleotides from SEQ ID No: 1;
(iii) a polypeptide which is at least 75% identical in amino acid sequence to the polypeptide encoded by SEQ ID No: 1;
(iv) a polypeptide whose sequence is set forth in SEQ ID No: 2 ;
(v) an immunogenic fragment comprising at least 12 consecutive amino acids from SEQ ID No: 2; and
(vi) a polypeptide as defined in (i) to (iv) or an immunogenic fragment as defined in (v) which has been modified 6 4
without loss of immunogenicity, wherein said modified polypeptide or fragment is at least 75% identical in amino acid sequence to the corresponding polypeptide of (i) to (iv) or the corresponding fragment of (v) ;
wherein the vaccine optionally comprises an additional polypeptide which enhances the immune response to the first polypeptide.
28. A vaccine comprising at least one fusion protein, wherein the fusion protein comprises:
(a) a first polypeptide selected from any of:
(i) a polypeptide encoded by SEQ ID No: 1;
(ii) a polypeptide encoded by a nucleic acid sequence comprising at least 38 consecutive nucleotides from SEQ ID No: 1;
(iii) a polypeptide which is at least 75% identical in amino acid sequence to the polypeptide encoded by SEQ ID No: 1;
(iv) a polypeptide whose sequence is set forth in SEQ ID No: 2 ;
(v) an immunogenic fragment comprising at least 12 consecutive amino acids from SEQ ID No:2; and
(vi) a polypeptide as defined in (i) to (iv) or an immunogenic fragment as defined in (v) which has been modified without loss of immunogenicity, wherein said modified polypeptide or fragment is at least 75% identical in amino acid sequence to the corresponding polypeptide of (i) to (iv) or the corresponding fragment of (v) ; and 65
(b) a second polypeptide;
wherein the vaccine optionally comprises an additional polypeptide which enhances the immune response to the first polypeptide.
29. The vaccine of claim 28 wherein the second polypeptide is a heterologous signal peptide.
30. The vaccine of claim 28 wherein the second polypeptide has adjuvant activity.
31. A vaccine comprising at least one first polypeptide according to any one of claims 20 to 24, optionally comprising an additional polypeptide which enhances the immune response to the first polypeptide.
32. The vaccine of any one of claims 27 to 31 wherein the additional polypeptide comprises a Chlamydia polypeptide.
33. A pharmaceutical composition comprising a polypeptide according to any one of claims 20 to 24 and a pharmaceutically acceptable carrier.
34. A pharmaceutical composition comprising a vaccine according to any one of claims 27 to 32 and a pharmaceutically acceptable carrier.
35. A pharmaceutical composition comprising an antibody according to claim 26 and a pharmaceutically acceptable carrier.
36. A method for preventing or treating Chla nydia infection using:
(a) the nucleic acid of any one of claims 1 to 7; 66
(b) the vaccine of any one of claims 8 to 14 and 27 to 32;
(c) the pharmaceutical composition of any one of claims 15, 16 and 33 to 35;
(d) the polypeptide of claim 20 or 21, or a fusion protein of any one of claims 22 to 24; or
(e) the antibody of claim 26.
37. A method of detecting Chlamydia infection comprising the step of assaying a body fluid of a mammal to be tested, with a component selected from any one of:
(a) the nucleic acid of any one of claims 1 to 7;
(b) the polypeptide of claim 20 or 21, or a fusion protein of any one of claims 22 to 24; and
(c) the antibody of claim 26.
38. A diagnostic kit comprising instructions for use and a component selected from any one of :
(a) the nucleic acid of any one of claims 1 to 7;
(b) the polypeptide of claim 20 or 21, or a fusion protein of any one of claims 22 to 24; and
(c) the antibody of claim 26.
39. A method for identifying a polypeptide of claim 20 or 21, or a fusion protein of any one of claims 22 to 24 which induces an immune response effective to prevent or lessen the severity of Chlamydia infection in a mammal previously immunized with polypeptide, comprising the steps of: 6 7
(a) immunizing a mouse with the polypeptide or fusion protein; and
(b) inoculating the immunized mouse with Chlamydia;
wherein the polypeptide or fusion protein which prevents or lessens the severity of Chlamydia infection in the immunized mouse compared to a non-immunized control mouse is identified.
40. Expression plasmid pCABkl043 as shown in Figure 3.
41. A nucleic acid molecule of SEQ ID NO. 3 or 4.
42. An isolated IpxB polypeptide from Chlamydia .
43. An isolated IpxB polypeptide from Chlamydia pneumoniae .
PCT/CA2000/001085 1999-09-17 2000-09-15 Chlamydia antigens and corresponding dna fragments and uses thereof WO2001021810A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU73982/00A AU7398200A (en) 1999-09-17 2000-09-15 Chlamydia antigens and corresponding dna fragments and uses thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15446199P 1999-09-17 1999-09-17
US60/154,461 1999-09-17

Publications (2)

Publication Number Publication Date
WO2001021810A1 WO2001021810A1 (en) 2001-03-29
WO2001021810B1 true WO2001021810B1 (en) 2002-06-06

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WO (1) WO2001021810A1 (en)

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US9107886B2 (en) 2012-04-02 2015-08-18 Moderna Therapeutics, Inc. Modified polynucleotides encoding basic helix-loop-helix family member E41
US9186372B2 (en) 2011-12-16 2015-11-17 Moderna Therapeutics, Inc. Split dose administration
US9283287B2 (en) 2012-04-02 2016-03-15 Moderna Therapeutics, Inc. Modified polynucleotides for the production of nuclear proteins
US9334328B2 (en) 2010-10-01 2016-05-10 Moderna Therapeutics, Inc. Modified nucleosides, nucleotides, and nucleic acids, and uses thereof
US9428535B2 (en) 2011-10-03 2016-08-30 Moderna Therapeutics, Inc. Modified nucleosides, nucleotides, and nucleic acids, and uses thereof
US9447164B2 (en) 2010-08-06 2016-09-20 Moderna Therapeutics, Inc. Engineered nucleic acids and methods of use thereof
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US9533047B2 (en) 2011-03-31 2017-01-03 Modernatx, Inc. Delivery and formulation of engineered nucleic acids
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