WO2022139537A4 - 뮤신 1에 특이적인 폴리펩티드 및 이의 이용 - Google Patents
뮤신 1에 특이적인 폴리펩티드 및 이의 이용 Download PDFInfo
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Definitions
- Mucin1 is a membrane-bound glycoprotein present in epithelial cells of almost all organs in the body.
- Mucin1 is a heterodimeric protein formed from the non-covalent interaction of an N-terminal subunit (MUC1-N) and a C-terminal subunit (MUC1-C).
- MUC1-C forms the extracellular domain, transmembrane domain and cytoplasmic tail, and MUC1-N repeatedly contains tandem repeats (TRs) containing 20 amino acids (HGVTSAPDTRPAPGSTAPPA), including glycosylation sites, , interacts with the extracellular domain of MUC1-C and remains linked with MUC1-C.
- a polypeptide that binds to Mucin1 is provided.
- Another example provides an isolated polynucleotide encoding the mucin1-binding polypeptide.
- Another example provides a vector comprising a polynucleotide encoding the mucin1-binding polypeptide.
- Another example provides a cell comprising a vector comprising a polynucleotide encoding the mucin1-binding polypeptide.
- Another example provides a chimeric antigen receptor comprising the mucin1-binding polypeptide.
- Another example provides an isolated polynucleotide encoding the chimeric antigen receptor.
- Another example provides an immune cell expressing the chimeric antigen receptor or comprising a polynucleotide encoding the chimeric antigen receptor.
- mucin1-binding polypeptide examples include the mucin1-binding polypeptide; an isolated polynucleotide encoding said mucin1-binding polypeptide; a vector comprising a polynucleotide encoding said mucin1-binding polypeptide; a cell comprising a polynucleotide encoding said mucin1-binding polypeptide; a chimeric antigen receptor comprising said mucin1-binding polypeptide; an isolated polynucleotide encoding said chimeric antigen receptor; a vector comprising a polynucleotide encoding the chimeric antigen receptor; Or comprising a polynucleotide encoding the chimeric antigen receptor or comprising an immune cell expressing the chimeric antigen receptor, it provides a composition for the treatment of cancer.
- cytokine 1 is a cytokine that evaluates the reactivity of CAR-T cells according to an embodiment of the present application prepared using donor 03 and donor 04-derived T cells to MUC1-positive tumor cells (T47D, HEK293T-V1). secretion analysis results.
- FIG. 2 is a cytokine secretion analysis result of evaluating the reactivity of CAR-T cells according to an embodiment of the present application prepared using donor 06-derived T cells to MUC1-positive tumor cells (T47D).
- FIG 3 is a cytokine secretion analysis result of evaluating the reactivity of CAR-T cells according to an embodiment of the present application prepared using donor 06-derived T cells to mucin 1 non-expressing cells (HEK293T).
- CAR-T cells is a cytotoxicity test result of CAR-T cells according to an embodiment of the present application prepared using donor 03-derived T cells, against T47D, a human breast cancer cell line.
- FIG. 5 is a cytotoxicity test result of CAR-T cells prepared using donor 04-derived T cells against T47D, a human breast cancer cell line.
- CAR-T cells prepared using donor 03-derived T cells against HEK293T, a human embryonic kidney cell.
- CAR-T cells prepared using donor 04-derived T cells against HEK293T, a human embryonic kidney cell.
- CAR-T cells prepared using donor 04-derived T cells against HEK293T-V1 in which MUC1-C was exogenously expressed in a human embryonic kidney cell line.
- CAR-T cells are a cytotoxicity test result of CAR-T cells according to an embodiment of the present application prepared using donor 07-derived T cells, human embryonic kidney cells, HEK293T.
- CAR-T cells is a cytotoxicity test result of CAR-T cells according to an embodiment of the present application prepared using donor 08-derived T cells, against HCC70, a human breast cancer cell line. #2: 2447_2H08; #3: 2447_3A01; #4: 2447_3A08; #5: 2447_3A09; #6: 2447_3A12; #7: 2447_3B07; #8: 2447_3C08; #9: 2447_3H02; #10: 2447_3H08.
- FIG. 13 is a CAR-T cell according to an embodiment of the present disclosure at a ratio of effector cells (E) to target cells (T) of 0.3:1, against a human breast cancer cell line (HCC70) and a human normal breast cell line (MCF10A). Phosphorus cytotoxicity results are shown. #2: 2447_2H08.
- CAR-T cell is a CAR-T cell according to an embodiment of the present application at a ratio of effector cells (E) to target cells (T) of 0.1:1, against a human breast cancer cell line (HCC70) and a human normal breast cell line (MCF10A). Phosphorus cytotoxicity results are shown. #2: 2447_2H08.
- PANC1-v1 cells PANC1 pancreatic cancer cells expressing MUC1
- human immune cells in blood 14 days and 28 days after administration of CAR-T cells according to an embodiment of the present application This is the result of confirming the number of (hCD45+ cells).
- FIG. 17 is a cancer animal model injected with PANC1-v1 cells (PANC1 pancreatic cancer cells expressing MUC1), the results of confirming tumor growth inhibition after administration of two doses of CAR-T cells according to an embodiment of the present application .
- PANC1-v1 cells PANC1 pancreatic cancer cells expressing MUC1
- HCC1954 cells naturally expressing MUC1 breast cancer cells
- human immune cells hCD45+ cells
- a polypeptide that binds to Mucin1 there is provided a polypeptide that binds to Mucin1.
- the polypeptide binding to mucin 1 herein may be an antibody or antigen-binding fragment thereof.
- a polypeptide that binds to Mucin1 comprising a pair of a heavy chain variable (VH) region and a light chain variable (VL) region selected from the group consisting of:
- VH region comprising complementarity determining regions (CDRs) 1, 2 and 3 described by the amino acid sequences of SEQ ID NO: 1, SEQ ID NO: 2 and SEQ ID NO: 3, respectively, and SEQ ID NO: 4, SEQ ID NO: 5 and SEQ ID NO: 6, respectively a VL region comprising CDRs 1, 2 and 3 described in amino acid sequence;
- CDRs complementarity determining regions
- VH region comprising CDRs 1, 2 and 3 set forth in the amino acid sequences of SEQ ID NO: 11, SEQ ID NO: 12 and SEQ ID NO: 13, respectively, and amino acid sequences of SEQ ID NO: 14, SEQ ID NO: 15 and SEQ ID NO: 16, respectively a VL region comprising CDRs 1, 2 and 3;
- VH region comprising CDRs 1, 2 and 3 set forth in the amino acid sequences of SEQ ID NO: 21, SEQ ID NO: 22 and SEQ ID NO: 23, respectively, and the amino acid sequences of SEQ ID NO: 24, SEQ ID NO: 25 and SEQ ID NO: 26, respectively a VL region comprising CDRs 1, 2 and 3;
- VH region comprising CDRs 1, 2 and 3 set forth in the amino acid sequences of SEQ ID NO: 31, SEQ ID NO: 32 and SEQ ID NO: 33, respectively, and amino acid sequences of SEQ ID NO: 44, SEQ ID NO: 45 and SEQ ID NO: 46, respectively a VL region comprising CDRs 1, 2 and 3;
- VH region comprising CDRs 1, 2 and 3 set forth in the amino acid sequences of SEQ ID NO: 61, SEQ ID NO: 62 and SEQ ID NO: 63, respectively, and amino acid sequences of SEQ ID NO: 64, SEQ ID NO: 65 and SEQ ID NO: 66, respectively a VL region comprising CDRs 1, 2 and 3;
- VH region comprising CDRs 1, 2 and 3 set forth in the amino acid sequences of SEQ ID NO: 91, SEQ ID NO: 92 and SEQ ID NO: 93, respectively, and amino acid sequences of SEQ ID NO: 94, SEQ ID NO: 95 and SEQ ID NO: 96, respectively VL region comprising CDRs 1, 2 and 3.
- a polypeptide that binds to Mucin1 comprising a pair of a heavy chain variable (VH) region and a light chain variable (VL) region selected from the group consisting of: - comprising the amino acid sequence of SEQ ID NO:7 a VH region and a VL region comprising the amino acid sequence of SEQ ID NO: 8; a VH region comprising the amino acid sequence of SEQ ID NO: 17 and a VL region comprising the amino acid sequence of SEQ ID NO: 18;
- VH region comprising the amino acid sequence of SEQ ID NO: 27 and a VL region comprising the amino acid sequence of SEQ ID NO: 28;
- VH region comprising the amino acid sequence of SEQ ID NO: 37 and a VL region comprising the amino acid sequence of SEQ ID NO: 38;
- VH region comprising the amino acid sequence of SEQ ID NO: 47 and a VL region comprising the amino acid sequence of SEQ ID NO: 48;
- VH region comprising the amino acid sequence of SEQ ID NO: 57 and a VL region comprising the amino acid sequence of SEQ ID NO: 58;
- VH region comprising the amino acid sequence of SEQ ID NO: 67 and a VL region comprising the amino acid sequence of SEQ ID NO: 68;
- VH region comprising the amino acid sequence of SEQ ID NO: 87 and a VL region comprising the amino acid sequence of SEQ ID NO: 88;
- VH region comprising the amino acid sequence of SEQ ID NO: 97 and a VL region comprising the amino acid sequence of SEQ ID NO: 98.
- the term "antibody” is used in the broadest sense as a generic term for a protein that specifically binds to a specific antigen, and a protein produced by stimulation of an antigen in the immune system, or a chemically synthesized or recombinantly produced protein. may be, and the type is not particularly limited. Specifically, a monoclonal antibody (including a full-length monoclonal antibody), a polyclonal antibody, a multispecific antibody (eg, a bispecific antibody), a synthetic antibody (also called an antibody mimic), a chimeric antibody, a humanized antibody, as long as it exhibits the desired biological activity It encompasses antibodies, human antibodies, or antibody fusion proteins (also called antibody conjugates).
- antigen-binding fragment refers to a portion of an antibody that lacks at least some of the amino acids present in its full-length chain but is still capable of specifically binding an antigen. Such fragments are biologically active in that they bind target antigen and are able to compete with other antigen binding molecules, including intact antibodies, for binding to a given epitope.
- the antigen binding fragment may not comprise the constant heavy chain domain of the Fc region of an intact antibody (ie, depending on the antibody isotype ie CH2, CH3 and CH4).
- antigen-binding fragments include single chain variable fragment (scFv) (eg, scFv, (scFv) 2 , etc.), fragment antigen binding (Fab) (eg, Fab, Fab', F(ab') 2 , etc.) ), domain antibodies, peptibodies, minibodies, intrabodies, diabodies, triabodies, tetrabodies or single-chain antibodies, and the like.
- scFv single chain variable fragment
- Fab fragment antigen binding
- domain antibodies peptibodies, minibodies, intrabodies, diabodies, triabodies, tetrabodies or single-chain antibodies, and the like.
- Antigen-binding fragments also include scFvs, or fusion polypeptides (scFv-Fc) in which the scFv is fused to the Fc region of an immunoglobulin (eg, IgA, IgD, IgE, IgG (IgG1, IgG2, IgG3, IgG4), IgM, etc.) Or it may be a fusion polypeptide (scFv-Ck (kappa constant region) or scFv-C ⁇ (lambda constant region)) fused with the constant region (eg, kappa or lambda) of the light chain, but is not limited thereto.
- an immunoglobulin eg, IgA, IgD, IgE, IgG (IgG1, IgG2, IgG3, IgG4), IgM, etc.
- scFv-Ck kappa constant region
- scFv-C ⁇ lacambd
- variable chain refers to a variable region domain V H comprising an amino acid sequence having sufficient variable region sequence to confer specificity to an antigen and three constant region domains C H1 , C H2 and C H3 and a hinge ( hinge) is interpreted as meaning including all of the full-length heavy chain and fragments thereof.
- light chain refers to both a full-length light chain comprising a variable region domain VL and a constant region domain CL comprising an amino acid sequence having sufficient variable region sequence to confer specificity to an antigen, and fragments thereof. interpreted as including
- CDR complementarity-determining regions
- Framework region refers to the non-CDR portions of the variable regions of heavy and light chains, generally comprising four FRs (FR-H1, FR-H2, FR-H3 and FR- H4), and there are four FRs (FR-L1, FR-L2, FR-L3 and FR-L4) in the light chain variable region.
- the exact amino acid sequence boundaries of a given CDR or FR are determined by a number of well-known systems, including the Kabat numbering system, Chothia numbering system, Contact numbering system, IMGT numbering system, Aho numbering system, AbM numbering system, etc. It can be easily determined using any one of them.
- variable region refers to the domain of an antibody heavy or light chain that is involved in binding an antibody to an antigen.
- the heavy chain variable (VH) and light chain variable (VL) regions generally have a similar structure, with each domain comprising four conserved framework regions (FR) and three CDRs.
- the mucin1-binding polypeptide of the present disclosure is a single chain variable fragment (scFv), peptibody, fragment antigen binding (Fab), monoclonal antibody, bispecific antibody, minibody, domain antibody, synthetic antibody, chimeric antibody , a humanized antibody, a human antibody, or an antibody fusion protein, but is not limited thereto.
- the mucin 1-binding polypeptide of the present application may be a single chain variable fragment (scFv).
- scFv single chain variable fragment
- VH heavy chain variable
- VL light chain variable
- the linker may be a water-soluble and/or flexible linker.
- the N-terminus of VH and the C-terminus of VL may be connected by a linker, or the C-terminus of VH and N-terminus of VL may be connected.
- the linker may be a peptide linker, for example 10 to 30 amino acids in length, 10 to 25 amino acids in length, 10 to 20 amino acids in length, 10 to 15 amino acids in length, 15 to 30 amino acids in length, 15 to 25 amino acids in length, 15 to 20 amino acids in length.
- amino acid length specifically 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 or 30 amino acid length may be, but is not limited thereto.
- the linker may be rich in glycine (Gly) for flexibility and may include serine (Ser), asparagine (Asn), alanine (Ala) or threonine (Thr) for solubility.
- the linker may be composed of a total of 1 to 100, 2 to 50, or 5 to 25 of one or more selected from the group consisting of Gly, Asn, Ser, Thr, and Ala.
- the amino acid sequence of the linker may be a sequence in which GGGS or GGGGS has a variable number of repeats, such as 2, 3, 4 and 5 repeats.
- the linker can be, but is not limited to, GGGGSGGGGSGGGGS, GGGGSGGGGSGGGGGGSGGGGS, or GGGGSGGGGSGGGAS.
- the scFv retains the antigenic specificity of the parent antibody despite the absence of a constant region and the introduction of a linker.
- the scFv may be expressed from a polynucleotide encoding a VH region and a VL region, but is not limited thereto.
- SEQ ID NO: 9 selected from the group consisting of SEQ ID NO: 9, SEQ ID NO: 19, SEQ ID NO: 29, SEQ ID NO: 39, SEQ ID NO: 49, SEQ ID NO: 59, SEQ ID NO: 69, SEQ ID NO: 79, SEQ ID NO: 89 and SEQ ID NO: 99
- SEQ ID NO: 9 selected from the group consisting of SEQ ID NO: 9, SEQ ID NO: 19, SEQ ID NO: 29, SEQ ID NO: 39, SEQ ID NO: 49, SEQ ID NO: 59, SEQ ID NO: 69, SEQ ID NO: 79, SEQ ID NO: 89 and SEQ ID NO: 99
- An scFv polypeptide comprising an amino acid sequence is provided.
- An antibody or antigen-binding fragment herein is a variant that possesses equivalent activity, e.g., about 80%, about 81%, about 82%, about 83%, about 84%, about 85% of the amino acid sequences described herein. , about 86%, about 87%, about 88%, about 89%, about 90%, about 91%, about 92%, about 93%, about 94%, about 95%, about 96%, about 97%, about Variants having 98% or greater than about 99% identity and equivalent biological activity may also be included in the scope of the present application.
- an isolated polynucleotide encoding said mucin1-binding polypeptide.
- the polynucleotide consists of SEQ ID NO: 10, SEQ ID NO: 20, SEQ ID NO: 30, SEQ ID NO: 40, SEQ ID NO: 50, SEQ ID NO: 60, SEQ ID NO: 70, SEQ ID NO: 80, SEQ ID NO: 90 and SEQ ID NO: 100 It may include a nucleic acid sequence selected from the group.
- the present invention also has at least about 90%, about 91%, about 92%, about 93%, about 94%, about 95%, about 96%, about 97%, about 98% or about 99% identity to the sequence. and an isolated polynucleotide encoding a polypeptide having equivalent activity.
- polynucleotides may be codon optimized for expression in humans.
- a vector comprising a polynucleotide encoding the mucin1-binding polypeptide.
- the polynucleotide may be operably linked to a promoter.
- operatively linked refers to a functional linkage between a nucleotide expression control sequence (eg, a promoter sequence) and another nucleotide sequence.
- the regulatory sequences may be operably linked to regulate the transcription and/or translation of other nucleotide sequences.
- Vectors can be constructed, typically as vectors for cloning or as vectors for expression.
- the expression vector may be a conventional vector used to express a foreign protein in plants, animals, or microorganisms in the art.
- the vector can be constructed through various methods known in the art.
- a vector can be constructed using a prokaryotic cell or a eukaryotic cell as a host.
- a prokaryotic cell when the vector used is an expression vector and a prokaryotic cell is used as a host, a strong promoter capable of propagating transcription (eg, pL ⁇ promoter, CMV promoter, trp promoter, lac promoter, tac promoter, T7) promoter, etc.), a ribosome binding site for initiation of translation, and transcription/translation termination sequences.
- the replication origin operating in the eukaryotic cell contained in the vector includes the f1 origin of replication, the SV40 origin of replication, the pMB1 origin of replication, the adeno origin of replication, the AAV origin of replication and the BBV origin of replication. It is not limited.
- promoters derived from the genome of mammalian cells may be used, and may generally have a polyadenylation sequence as a transcription termination sequence.
- it may further include an enhancer sequence, 5'-side and 3'-side untranslated regions, a secretion signal sequence, a splicing junction, a selection marker (eg, an antibiotic resistance gene), and the like.
- a cell comprising a vector comprising a polynucleotide encoding the mucin1-binding polypeptide.
- the cell may be obtained by introducing the vector into an appropriate host cell.
- a host cell containing the vector may be useful for cloning or expression of a polynucleotide contained in the vector.
- any host cell known in the art may be used as a cell capable of cloning or expressing the vector stably and continuously.
- prokaryotic cells include, for example, E. coli JM109, E. coli BL21, E. coli RR1, E. coli LE392, E. coli B, E. coli X 1776, E. coli W3110, Bacillus Subtilis, Bacillus sp.
- strains such as Bacillus thuringiensis, and Enterobacteriaceae and strains such as Salmonella typhimurium, Serratia marcescens and various Pseudomonas species, etc.
- yeast Saccharomyce cerevisiae
- insect cells plant cells and animal cells
- Sp2/0 Chinese hamster ovary (CHO) K1, CHO DG44, PER.C6, W138, BHK, COS-7, 293, HepG2, Huh7 , 3T3, RIN, MDCK cell lines, etc.
- CHO Chinese hamster ovary
- Transport introduction of the polynucleotide or a vector containing the same into a host cell
- a transport method well known in the art may be used.
- the transport method for example, when the host cell is a prokaryotic cell, CaCl 2 method or electroporation method, etc. can be used, and when the host cell is a eukaryotic cell, microinjection method, calcium phosphate precipitation method, electroporation method, Liposome-mediated transfection and gene bombardment may be used, but are not limited thereto.
- the method for selecting the transformed host cell can be easily performed according to a method well known in the art, using the phenotype expressed by the selection marker.
- the selection marker is a specific antibiotic resistance gene
- the transformant can be easily selected by culturing the transformant in a medium containing the antibiotic.
- the transformed host cell can be cultured for a period sufficient for the expression or secretion of the polypeptide, and separation and purification methods used in conventional proteins, for example, methods using solubility such as salting out, solvent precipitation, dialysis, ultrafiltration, etc.
- Methods using differences in molecular weight such as filtration, gel filtration, sodium dodecyl sulfate-polyacrylamide gel electrophoresis, methods using charges such as ion exchange chromatography or hydroxylapatite chromatography, specific affinity such as affinity chromatography
- Polypeptides can be separated and purified by a method using a difference in hydrophobicity, such as reverse-phase high-performance liquid chromatography, or a method using a difference in isoelectric point such as isoelectric point electrophoresis.
- a chimeric antigen receptor comprising the mucin 1-binding polypeptide.
- the mucin1-binding polypeptides are suitable for use in chimeric antigen receptors because they can be engineered to be expressed as part of a single chain along with other CAR components.
- a chimeric antigen receptor typically comprises an extracellular domain comprising a mucin1-binding polypeptide; transmembrane domain; It may include an intracellular signaling domain or T cell activation domain.
- the extracellular domain may further include a spacer region (or hinge region) between the polypeptide and the transmembrane domain.
- the chimeric antigen receptor may further comprise one or more co-stimulatory domains, preferably the co-stimulatory domain is located between the transmembrane domain and the intracellular signaling domain.
- the chimeric antigen receptor comprises an extracellular domain comprising a mucin1-binding polypeptide; hinge domain; transmembrane domain; one or more costimulatory domains; and an intracellular signal transduction domain.
- Each domain may be heterogeneous. That is, it may consist of sequences derived from different protein chains.
- Each domain may be joined by a short oligo- or polypeptide linker, for example a linker between 2 and 10 amino acids in length.
- the chimeric antigen receptor may consist of one polypeptide chain to which each domain is linked.
- the extracellular domain comprises a mucin1-binding polypeptide as described above, which recognizes mucin1 expressed on the surface of cancer cells.
- the extracellular domain may further comprise a spacer region (or hinge region).
- a spacer region may be positioned between the mucin1-binding polypeptide and the transmembrane domain.
- the spacer region allows the mucin1-binding polypeptide to more flexibly recognize the target antigen at a certain distance from the cell membrane of the CAR-T cell.
- the spacer region may typically be a polypeptide and may be at least 10 amino acids in length, such as 10 to 300 amino acids in length, 10 to 250 amino acids in length, 10 to 200 amino acids in length, 10 to 150 amino acids in length, 10 to 100 amino acids in length, It may have a length of 10 to 50 amino acids, but is not limited thereto.
- the spacer region may exemplify the hinge region of CD8 ⁇ or CD28, or the constant region of immunoglobulin (IgG), and a mutation may be introduced to remove the off-target effect by these.
- the immunoglobulin constant region may be derived from the IgG hinge alone, all or part of the CH2 and CH3 domains, for example an Fc region.
- IgG may preferably be IgG2 or IgG4.
- the spacer can be a chimeric polypeptide containing one or more of the hinge, CH2 and CH3 sequences derived from IgG2, IgG4, and/or IgG2 and IgG4.
- the hinge domain may be represented by the sequence of SEQ ID NO: 112, but is not limited thereto.
- the transmembrane domain serves to connect the cell membrane domain and the signaling domain inside the cell membrane, and may be derived from a natural or synthetic source. Where the source is natural, the domain may be derived from any membrane-bound or transmembrane protein.
- the transmembrane domain may be the alpha, beta or zeta chain of a T cell receptor, CD3 epsilon, CD4, CD5, CD8, CD9, CD16, CD22, CD28, CD33, CD37, CD45, CD64, CD80, CD86, CD134, It may be a transmembrane domain of CD137 or CD154, but is not limited thereto.
- the transmembrane domain may be a transmembrane domain of CD28 or CD8, but is not limited thereto.
- the synthetic transmembrane domain may include hydrophobic residues such as leucine and valine, and may include phenylalanine, tryptophan, and valine at each end, but is not limited thereto.
- the transmembrane domain may be represented by the sequence of SEQ ID NO: 113, but is not limited thereto.
- the co-stimulatory domain is a site to which a co-stimulatory signal is transmitted, and it is a site to transmit a signal so that CAR-T cells generate an immune response and self-proliferate. It can be selectively introduced to enhance proliferation, cytotoxicity, sustained response, life extension, and the like of CAR-T cells.
- the costimulatory domains are CD28, OX-40 (CD134), 4-1BB (CD137), CD2, CD7, CD27, CD30, CD40, PD-1, ICOS, LFA-1 (CD11a/CD18), CD3 gamma, CD3 delta , CD3 epsilon, CD247, CD276 (B7-H3), LIGHT, (TNFSF14), NKG2C, Ig alpha (CD79a), DAP-10, Fc gamma receptor, MHC class 1 molecule, TNF receptor protein, immunoglobulin protein, cytoplasmic Cain receptor, integrin, signaling lymphocytic activation molecule (SLAM), activating NK cell receptor, BTLA, toll ligand receptor, ICAM-1, B7-H3, CDS, ICAM-1, GITR, BAFFR, LIGHT, HVEM (LIGHTR), KIRDS2 , SLAMF7, NKp80 (KLRF1), NKp44, NK
- the costimulatory domain may be represented by the sequence of SEQ ID NO: 114, but is not limited thereto.
- the intracellular signaling domain is capable of activating a CAR-T cell upon binding of the mucin1-binding polypeptide portion of the extracellular domain to a target.
- CARs can stimulate the function of T cells, such as cytolytic activity or T-helper activity, and induce secretion of cytokines or other factors.
- the intracellular signal transduction domain may be represented by the sequence of SEQ ID NO: 115, but is not limited thereto.
- the CAR may be expressed in a form comprising a signal sequence.
- the CAR can also be expressed with additional sequences useful for monitoring expression, for example, ribosomal skip sequences such as 2A peptide or truncated cell surface polypeptides (such as tHER2 or tEGFR or truncated PSMA).
- polynucleotide encoding the chimeric antigen receptor is provided.
- polynucleotides may be codon optimized for expression in humans.
- a vector comprising a polynucleotide encoding the chimeric antigen receptor.
- the vector may be constructed as a vector for gene cloning, a vector for protein expression, or a vector for gene delivery. In the case of a vector for cloning or expression, the details are as described above.
- the vector may be a viral vector.
- the vector may be a retroviral vector, a DNA vector, a murine leukemia virus vector, a SFG vector, a plasmid, an RNA vector, an adenovirus vector, a baculovirus vector, an Epstein Barr virus vector, a papovavirus vector, a vaccinia virus vector, It may be, but is not limited to, a herpes simplex virus vector, an adenovirus associated vector (AAV), or a lentiviral vector.
- AAV adenovirus associated vector
- an immune cell expressing a chimeric antigen receptor comprising the mucin1-binding polypeptide.
- Immune cells include, but are not limited to, T cells, Tumor Infiltrating Lymphocytes (TILs), Natural killer (NK) cells, TCR-expressing cells, dendritic cells, or NK-T cells.
- TILs Tumor Infiltrating Lymphocytes
- NK Natural killer
- TCR-expressing cells TCR-expressing cells
- dendritic cells dendritic cells
- NK-T cells NK-T cells.
- the immune cells may be derived from human induced pluripotent stem cells (iPSCs). Immune cells can be derived from any known source. For example, immune cells can be differentiated in vitro from a hematopoietic stem cell population or obtained from a patient.
- Immune cells can be obtained from, for example, peripheral blood mononuclear cells (PBMC), bone marrow, lymph node tissue, umbilical cord blood, thymus tissue, tissue from the site of infection, ascites, pleural effusion, spleen tissue, and tumors.
- PBMC peripheral blood mononuclear cells
- the immune cells may be derived from one or more immune cell lines available in the art.
- Immune cells may be autologous or allogenic. Autologous means those derived from the patient to be treated. Allogeneic means that it is derived from another individual of the same species as the patient to be treated.
- the immune cells may be derived from human induced pluripotent stem cells (iPSCs).
- iPSCs human induced pluripotent stem cells
- iPSC-derived immune cells are capable of self-proliferation, so mass-proliferation is easy, and it is possible to manufacture universal cell therapy products applicable to all people, and has the advantage of homogeneous production and cost reduction.
- Immune cells can be produced by microinjection, electroporation, sonication, biolistics (eg, gene gun), lipid transfection, polymer transfection, calcium phosphate precipitation, protoplast fusion, liposome-mediated transfection, nanoparticles or polyplexes, etc. It may be transfected or transduced with a vector using the method of, but is not limited thereto.
- composition for preventing or treating cancer comprising a T cell comprising a chimeric antigen receptor comprising the mucin 1-binding polypeptide.
- the prevention and/or treatment of cancer comprising administering to a patient in need thereof an effective amount of a T cell comprising a chimeric antigen receptor comprising the mucin 1-binding polypeptide. or a method of treatment is provided.
- the cancer can be a solid cancer or a blood cancer, non-limiting examples of which include breast cancer, lung cancer, prostate cancer, ovarian cancer, brain cancer, liver cancer, cervical cancer, endometrial cancer, uterine cancer, colon cancer, colorectal cancer, colorectal cancer , rectal cancer, kidney cancer, nephroblastoma, skin cancer, oral squamous cell carcinoma, epidermal cancer, nasopharyngeal cancer, head and neck cancer, bone cancer, esophageal cancer, bladder cancer, lymphatic duct cancer (eg, Hodgkin's lymphoma or non-Hodgkin's lymphoma), stomach cancer, Pancreatic cancer, testicular cancer, thyroid cancer, thyroid follicular cancer, melanoma, myeloma, multiple myeloma, mesothelioma, osteosarcoma, myelodysplastic syndrome, tumor of mesenchymal origin, soft tissue sarcoma, lip
- the lung cancer may be, for example, small cell lung carcinoma (SCLC) or non-small cell lung carcinoma (NSCLC).
- the leukemia may be, for example, acute myeloid leukemia (AML), chronic myelogenous leukemia (CML), acute lymphocytic leukemia (ALL) or chronic lymphocytic leukemia (CLL).
- the cancer is a cancer in which the MUC1 protein is expressed, and may be breast cancer, skin cancer, pancreatic cancer, prostate cancer, lung cancer, thyroid cancer, stomach cancer, ovarian cancer, colorectal cancer, liver cancer, gallbladder cancer, kidney cancer, cervical cancer, or bladder cancer,
- the present invention is not limited thereto.
- the cancer may be a primary cancer or a metastatic cancer.
- the patient to be treated may be a patient receiving second-line anti-hyperproliferative therapy.
- the second-line anti-hyperproliferative therapy may be chemotherapy, radiation therapy, immunotherapy, phototherapy, cryotherapy, toxin therapy, hormone therapy, or surgery.
- T cells comprising a chimeric antigen receptor comprising the mucin 1-binding polypeptide of the present application
- the mucin 1-binding polypeptide of the present application genetically engineered to express a chimeric antigen receptor containing
- the step of extracting T cells from the blood of a healthy person or a patient to be treated is, for example, a process of separating leukocytes from blood using leukapheresis or aphresis and then concentrating the T cells.
- T cells can be extracted through T cells can be isolated using specific antibody bead conjugates or markers at the CD4/CD8 constitutive level. Alternatively, it is also possible to stably obtain a large amount of T cells through differentiation from stem cells.
- the step of genetically engineering the extracted T cells to express the chimeric antigen receptor may include, for example, converting a nucleic acid molecule designed to express a chimeric antigen receptor (CAR) into a vector, such as a viral vector (lenti Viral vectors or retroviral vectors, etc.) can be used for injection into T cells.
- the CAR may be introduced in the form of DNA or may be introduced in the form of RNA and then reverse transcribed into DNA by a reverse transcriptase and then integrated into the genome of the T cell.
- genetic manipulation to remove or correct genes inducing transplant rejection in donor T cells may be additionally applied to prevent rejection, such as graft-versus-host disease (GvHD).
- GvHD graft-versus-host disease
- the T cells may be cultured, proliferated and expanded according to a culture technique known in the art. At this time, safety for the use of viruses and technology for selecting well-made CAR-T cells are required.
- the step of re-administering the engineered T cells to the patient may consist of, for example, infusion.
- the patient before injection of CAR-T cells, the patient may receive chemotherapy to control lymphocyte removal using cyclophosphamide or fludarabine, etc. to lower the white blood cell count.
- cytokines such as IL-2 may be administered together.
- Engineered T cells administered to a patient can mediate an immune response against tumor cells expressing mucin1. These immune responses include activation of T cells, secretion of cytokines such as IL-2 and IFN-gamma by T cells, proliferation and expansion of T cells that recognize tumor antigens, and T cell-mediated T cell-mediated specific killing (removal of the tumor).
- T cells when CAR binds specifically to mucin1, T cells are activated through phosphorylation of an immunoreceptor tyrosine-based activation motif (ITAM) of CD3 zeta, and then T Cell proliferation, cytotoxicity and/or cytokine secretion may be induced.
- ITAM immunoreceptor tyrosine-based activation motif
- anticancer therapy using CAR-T cells fundamentally activates the patient's immune system and exerts a continuous anticancer effect, so there is no need to continue administration. There is this.
- compositions herein can elicit, induce, or promote an immune response that inhibits, arrests, delays, or prevents the onset or progression of a disease state.
- the term "effective amount” means an amount sufficient to achieve the desired result, eg, an amount effective to treat or prevent cancer, when administered to a subject, including a human.
- the effective amount may vary depending on various factors such as formulation method, administration mode, age, weight, sex, disease severity, food, administration time, administration route, excretion rate and reaction sensitivity of the patient. Dosage or therapeutic regimen can be adjusted to provide an optimal therapeutic response as will be understood by those skilled in the art.
- a therapeutic regimen with a therapeutically effective amount may consist of a single administration or, alternatively, may include a series of applications.
- the duration of the treatment phase is determined by various factors such as formulation method, administration mode, patient's age, weight, sex, disease severity, food, administration time, administration route, excretion rate, and response sensitivity.
- the effective dosage of the anti-cancer composition used for treatment may be raised or lowered during the course of an individual therapeutic regimen. Variations in dosage may occur and will be apparent through standard diagnostic assays known in the art.
- the compositions of the present invention in some aspects, may be administered before, during, or after treatment with conventional anticancer agents, radiation therapy, hormone therapy, biotherapy, and/or surgical resection of the tumor.
- composition of the present application may be provided together with one or more additives selected from the group consisting of pharmaceutically acceptable carriers, diluents, and excipients.
- the pharmaceutically acceptable carrier as commonly used in the formulation of antibodies, lactose, dextrose, sucrose, sorbitol, mannitol, starch, gum acacia, calcium phosphate, alginate, gelatin, calcium silicate, microcrystalline It may be at least one selected from the group consisting of cellulose, polyvinylpyrrolidone, cellulose, water, syrup, methyl cellulose, methylhydroxybenzoate, propylhydroxybenzoate, talc, magnesium stearate, mineral oil, etc. It is not limited.
- the composition may further include at least one selected from the group consisting of diluents, excipients, lubricants, wetting agents, sweeteners, flavoring agents, emulsifiers, suspending agents, preservatives, etc., in addition to the above components. have.
- the composition may be administered orally or parenterally.
- parenteral administration intravenous injection, subcutaneous injection, intramuscular injection, intraperitoneal injection, endothelial administration, topical administration, intranasal administration, intrapulmonary administration, rectal administration, etc. can be administered.
- oral compositions may be formulated to coat the active agent or to protect it from degradation in the stomach.
- the composition may be administered by any device capable of transporting the active agent to a target cell.
- compositions are provided as sterile liquid preparations, for example, as isotonic aqueous solutions, suspensions, emulsions, dispersions or viscous compositions, which in some aspects may be buffered to a selected pH.
- Liquid formulations are generally easier to prepare than gels, other viscous compositions, and solid compositions.
- liquid compositions are particularly convenient to administer by injection.
- the viscous composition may be formulated within an appropriate viscosity range to provide a longer period of contact with a particular tissue.
- a liquid or viscous composition may comprise a carrier which can be a solvent or dispersion medium containing, for example, water, saline, phosphate buffered saline, polyol (e.g., glycerol, propylene glycol, liquid polyethylene glycol) and suitable mixtures thereof.
- a carrier which can be a solvent or dispersion medium containing, for example, water, saline, phosphate buffered saline, polyol (e.g., glycerol, propylene glycol, liquid polyethylene glycol) and suitable mixtures thereof.
- a carrier can be a solvent or dispersion medium containing, for example, water, saline, phosphate buffered saline, polyol (e.g., glycerol, propylene glycol, liquid polyethylene glycol) and suitable mixtures thereof.
- polyol e.g., glycerol, propylene glycol, liquid polyethylene glycol
- Sterile injectable solutions can be prepared by incorporating the binding molecule in a solvent such as a suitable carrier, diluent, or admixture with an excipient such as sterile water, saline, glucose, dextrose, and the like.
- a solvent such as a suitable carrier, diluent, or admixture with an excipient such as sterile water, saline, glucose, dextrose, and the like.
- the composition may also be lyophilized.
- the composition may contain auxiliary substances such as wetting agents, dispersing or emulsifying agents (e.g., methylcellulose), pH buffering agents, gelling or viscosity enhancing additives, preservatives, flavoring agents, coloring agents, and the like, depending on the route of administration and desired route of manufacture.
- additives may be added to improve the stability and sterility of the composition, including antibacterial preservatives, antioxidants, chelating agents and buffers. Prevention of the action of microorganisms can be ensured by various antibacterial and antifungal agents, for example, parabens, chlorobutanol, phenol, sorbic acid, and the like. Prolonged absorption of the injectable pharmaceutical form may be brought about by the use of agents which delay absorption, for example, aluminum monostearate and gelatin.
- a recombinant antigen was prepared by conjugating human mucin 1 (SEQ ID NO: 110) with CD4 (SEQ ID NO: 111), and clones secreting scFv specific for the antigen were screened from an scFv library. Ten species were selected. The sequence information of 10 selected scFvs and the positive control scFv G03 (a positive control made using the amino acid sequence of the G3 antibody of Table 6 of WO2018/174544) used in the subsequent experiments is shown in Table 3.
- the affinity of the scFv-Fc antibody containing the scFv to the mucin 1 antigen was measured using a Biacore T200 (GE healthcare).
- Biacore T200 GE healthcare
- anti-human IgG (Fc) antibody GE healthcare, Cat. No. BR-1008-39, final concentration of 25 ug/mL was flowed at 5 uL/min for 360 seconds, and fixed at about 5000-7000 RU.
- Extracellular domain (nucleotide sequence in Table 4), hinge (CD8 ⁇ ) (SEQ ID NO: 112) and transmembrane domain (CD28) (SEQ ID NO: 113), costimulatory domain (CD28) (SEQ ID NO: 114) comprising scFv polypeptide sequences , and an intracellular signaling domain (CD3zeta) (SEQ ID NO: 115) expressing a chimeric antigen receptor (CAR) containing a lentiviral vector (transfer vector or expression vector) was prepared.
- CD3zeta intracellular signaling domain
- CAR chimeric antigen receptor
- the scFv portion of the CAR was separated by PCR fragments from the plasmid supplied by the screening company, and the hinge, transmembrane protein, and CD28 and CD3z signaling domains were fragmented from the synthesized plasmid by PCR. The two fragments were cloned into Clonetech's pLVX-EF1alpha vector using Takara's In-Fusion HD cloning kit.
- the cloned lentiviral vector was transfected (product code 632180) into Takara's Lenti-X 293T Cell Line together with the packaging plasmid provided by the company's Lenti-X Expression System (EF1a Version) (product code 631253) 24 After time, the soup was separated and the lentivirus in it was used for further study.
- EF1a Version Lenti-X Expression System
- the prepared lentivirus transfer vector (transfer vector or expression vector) and the packaging plasmid mix (lentivirus packaging plasmid mix) were transferred to Lenti-X 293T cells (Takara Product No. 632180) was transfected.
- HEK293T cells were prepared to exist in about 6 to 70% of the culture plate area.
- Dulbecco's modified Eagle medium (DMEM, Gibco) supplemented with 10% heat-inactivated fetal bovine serum (FBS, Gibco) was used as the medium, and a culture plate of 100 mm or 150 mm size was used.
- DMEM Dulbecco's modified Eagle medium
- FBS heat-inactivated fetal bovine serum
- the HEK293T cells were transfected by drop treatment on the plate in culture. After transfection, the lentivirus produced in HEK293T cells was ejected out of the cell and was present in the cell culture medium in the form of virus particles. 48 hours after transfection, only the cell culture solution was removed from the culture plate and centrifuged to obtain lentiviral particles in the form of pellets. After releasing the pellet using the solution, it was used immediately or stored in a cryogenic freezer.
- the Optimizer T-Cell Expansion Supplement (26ml) is added to the DMEM medium used above or the CTS optimizer T cell Expansion SFM 1L bottle (Gibco) used for T cell culture, and CTS Innume Cell SR (Serum Replacement, Gibo) is added to the final 2 % was added, and CTS GlutaMAX-I Supplement 100X (Gibco) was added so that the final 1X was used.
- the cell culture period is 10-11 days in total after activation, and the medium is replaced or newly added every 1-2 days depending on the number of cells. done.
- the prepared CAR-T cells were used immediately or mixed with cell cryopreservation solution and injected into a vial for cell freezing and stored in a Liquid Nitrogen Tank. Confirmation and characterization of the expression level of the chimeric antigen receptor (CAR) of the prepared CAR-T cells was carried out through flow cytometry (FACS).
- FACS flow cytometry
- Example 3 Affinity analysis of soluble scFv to mucin1-expressing cells
- Example 3 A total of four cell lines were used in Example 3, and HEK293 (ATCC) and PANC-1 (ATCC) cell lines were used as negative controls, and HEK293T-v1 (transformed by ATCC and LG Chem) and T47D (Korean cell lines) as positive controls. bank) cell lines were used.
- the HEK293T-v1 cell line used as a positive control is a cell line expressing the C subunit of MUC1 in a HEK293T cell line that does not express mucin1.
- the soluble scFv prepared in Example 1 was diluted 5 times to prepare a total concentration of 8 steps.
- the concentrations for each step were 380 ⁇ g/mL, 76 ⁇ g/mL, 15.2 ⁇ g/mL, 3.04 ⁇ g/mL, 0.608 ⁇ g/mL, 0.1216 ⁇ g/mL, 0.02432 ⁇ g/mL, and 0.004864 ⁇ g/mL.
- the buffer used for dilution of soluble scFv and cell washing was PBS with 2% FBS and 10 mM EDTA.
- Four types of cells were prepared at 1X10 6 /mL, placed in a 96-well U-bottom cell culture plate at 1X10 5 /100 ⁇ l/well, and centrifuged at 1500 RPM for 5 minutes.
- the previously prepared soluble scFv was treated at 50 ⁇ l/well. It left still at 4 degreeC for 1 hour.
- Cell washing buffer was added at 150 ⁇ l/well, mixed, and centrifuged at 1500 RPM for 5 minutes. After discarding the supernatant, 200 ⁇ l/well of cell washing buffer was added, mixed, and centrifuged at 1500 RPM for 5 minutes.
- Goat anti-human IgG Fc-biotin antibody (Invitrogen, A18821) was diluted 500-fold and treated at 50 ⁇ l/well. It left still at 4 degreeC for 20 minutes.
- Cell washing buffer was added at 150 ⁇ l/well, mixed, and centrifuged at 1500 RPM for 5 minutes.
- the affinity of the soluble scFv to the mucin1-expressing cells was confirmed by the PE MFI value among the results of flow cytometry.
- the value obtained by staining with another fluorescent antibody (Goat anti-human IgG Fc-biotin antibody, PE-Streptavidin) without adding soluble scFv to each cell line is set as the negative control value, and G03 concentration for each cell is 380 ⁇ g/mL
- the MFI value was corrected as follows by setting the value treated as a positive control value as follows:
- the ELISA assay method is the same as a commonly used method. To put it simply: First, a 96-well immune plate was coated with a capture antibody capable of capturing interferon-gamma or interleukin-2, and after one day, it was sufficiently washed with a washing buffer. A block buffer is added to each well, left at room temperature for 1 hour, and then washed sufficiently with a washing buffer again.
- a culture solution sample was placed in each well and allowed to react by standing at room temperature for 2 hours. After washing sufficiently with a washing buffer, a detection antibody was added and reacted at room temperature for 2 hours. After washing sufficiently with the washing buffer, HRP-labeled streptavidin was added to each well and reacted at room temperature for 20 minutes. After sufficiently washing with the washing buffer, the substrate solution was added and reacted at room temperature for 20 minutes, and the reaction was stopped with a stop solution. The cytokine concentration in each well was calculated as the absorbance according to the reaction.
- FIG. 1 is a positive control group, and a group in which no CAR was injected (NO LV) was used as a negative control group.
- Figure 1 is a result graph representatively showing an independent experiment using a total of two T cell-derived, and named Donor 03 and Donor 04 according to the origin of the T cells.
- Donor refers to the donor of T cells used in the experiment, and the number after Donor means that the donor is different.
- 1 is a graph in which the absorbance is normalized based on the control group G03, and it shows that the tested immune cells secrete cytokines.
- FIG. 2 is a cytokine secretion assay for evaluating the reactivity of immune cells injected with anti-MUC1 scFv in the form of CAR against MUC1-positive tumor cells (T47D), showing that the tested immune cells secrete cytokines.
- T cells were derived from Donor 06. As a negative control, a group in which no CAR was injected (Control T cells) was used.
- T cell 3 is a cytokine secretion analysis result evaluating the reactivity of immune cells injected with anti-MUC1 scFv in the form of CAR to mucin1 non-expressing cells (HEK293T), interferon gamma cytokine is not secreted, and in the case of IL-2 It shows that the secretion amount does not increase significantly when compared to the negative control group (Control T cell).
- T cells were derived from Donor 06.
- As a negative control a group in which no CAR was injected (Control T cells) was used.
- Human breast cancer cell lines T47D, HCC70, HCC1954), human liver cancer cell lines (Huh7, HepG2), and human neuroblastoma cell lines (SK-N-SH) were purchased from Korean Cell Line Bank (KCLB, Seoul, Korea), and human embryonic kidney The cell line (HEK293T) was purchased from the American Type Culture Collection (ATCC, Manassas, VA).
- T47D, HCC70, and HCC1954 cells were cultured in RPMI-1640 medium (Thermo Fisher Scientific), and HEK293T, Huh7, and HepG2 cells were cultured in Dulbecco's modified Eagle's medium (DMEM, Thermo Fisher Scientific), respectively.
- DMEM Dulbecco's modified Eagle's medium
- CAR-T cells prepared according to Example 2 were CTS complete media (CTS TM OpTmizer TM T Cell Expansion SFM (Gibco, A1048501), 2% (w/v) CTS TM Immune Cell SR (Gibco, A25961-01), 1X GlutaMAX TM Supplement (Gibco, 35050-061) 37 °C, 5% CO 2 Incubated in conditions.
- mucin1-expressing cells including T47D, HCC70, HCC1954, HEK293T-V1 (MUC1-C exogenously expressing cells), etc.
- mucin1 ratio Cell solubility for the expressing cells including HEK293T, HepG2, Huh7, SK-N-SH, etc.
- mucin 1 expressing or non-expressing target cells stained with CellTrace TM CFSE were dispensed at 0.15-0.2 X 10 6 cells/150ul/well and cultured for one day.
- CAR-T cells stored frozen at -196°C were thawed and cultured for one day in CTS complete media containing 30U/ml IL-2 (Novartis, Proleukin) at a concentration of 2 X 10 6 cells/ml. .
- CTS complete media containing 30U/ml IL-2 (Novartis, Proleukin) at a concentration of 2 X 10 6 cells/ml.
- the CAR expression rate of CAR-T cells in culture was measured using Alexa Fluor 488-AffiniPure Goat Anti-Human IgG, F(ab')2 Fragment Specific (Jackson laboratory, 109-545-097) and APC Mouse Anti-Human CD3 ( It was stained with BD Pharmingen TM , 561811) and the ratio of both were positive through flow cytometry (FACS, flow cytometer).
- each type of CAR-T (E, effector cells), adjusted to have the same number of CAR+ T cells, was used in the cell culture medium of each target cell in a volume of 100 ul/well to express CFSE-stained Mucin 1 cultured the day before. Alternatively, it was added in proportion to the number of non-expressing cells (T, target cells). Incubated at 37° C., 5% CO 2 conditions from 5 hours to up to 24 hours depending on the target cells.
- FIGS. 4 to 8 The results are shown in FIGS. 4 to 8 .
- G03 is a positive control, and a group in which no CAR is injected (NO LV) was used as a negative control.
- NO LV no CAR is injected
- these figures are graphs of results showing representative independent experiments using a total of two T cell-derived, and were named Donor 03 and Donor 04 according to the origin of the T cells. 4 to 8 , the tested immune cells showed cytotoxicity to mucin1-expressing cells.
- FIG. 9 and 10 are the results of cytotoxicity experiments on the human breast cancer cell line T47D of CAR-T cells prepared using Donor 05 and Donor 06-derived T cells, respectively, and FIG. 11 shows Donor 07-derived T cells.
- Figure 12 is a human breast cancer cell line HCC70 of CAR-T cells prepared using Donor 08-derived T cells. This is the result of a cytotoxicity test. 9 to 12 , the tested immune cells exhibited cytotoxicity to mucin1-expressing cells.
- HCC70 breast cancer cell line
- MCF10A human normal breast cell line
- CAR-T cells T cells derived from Donor 05 expressing CAR containing 2447_2H08 scFv
- IL-2 Novartis , Proleukin
- CAR CAR with 2447_2H08 scFv
- expression rate of CAR was measured using Alexa Fluor 488-AffiniPure Goat Anti-Human IgG, F(ab')2 Fragment Specific (Jackson laboratory, 109-545-097).
- APC Mouse Anti-Human CD3 BD PharmingenTM, 561811
- each type of CAR-T (E, effector cells), adjusted to have the same number of CAR+ T cells, was cultured the previous day in a volume of 100ul/well with the cell culture medium of each target cell to express CFSE-stained Mucin1 Alternatively, it was added in proportion to the number of non-expressing cells (T, target cells).
- T target cells
- the target cells were cultured for 24 hours at 37° C., 5% CO 2 condition.
- both CAR-T cells and target cells were taken and stained with Fixable Viability Dye eFluorTM 450 (eBioscienceTM, 65-0863-18) and APC Mouse Anti-Human CD3 to determine the number of viable target cells through flow cytometry.
- the number of viable target cells was defined as Fixable Viability Dye negative and CFSE positive cells (strong CFSE signal for HCC70, weak CFSE signal for MCF10A). Calculation of titer (killing activity, %) was performed in the same manner as in Example 5.
- FIGS. 13 and 14 The results are shown in FIGS. 13 and 14 .
- a group in which no CAR was injected (mock T cells) was used as a negative control group.
- CAR-T cells having 2447_2H08 scFv (indicated by #2-CAR-T in the figure, respectively) exhibited apoptotic ability against mucin 1 overexpressing breast cancer cells (HCC70).
- HCC70 mucin 1 overexpressing breast cancer cells
- MCF10A normal breast cell line
- Example 7 Analysis of anticancer efficacy of CAR-T cells using an animal model
- PANC1-v1 cells PANC1 pancreatic cancer cells expressing MUC1
- sc subcutaneously
- iv intravenous
- T cells donor 18-09-derived T cells expressing scFv-containing CAR according to the present disclosure
- hCD45+ cells The number of human immune cells
- the size of the tumor initially increased, but gradually decreased after about 10 days, and after 30 days, the size of the tumor became so small that it was difficult to measure.
- HCC1954 cells (a breast cancer cell line naturally expressing MUC1) were injected subcutaneously (sc) into 9-week-old NOG female mice, and when the tumor volume reached 500 mm 3 (23 days after cell administration)
- iv intravenously
- n 7 per group
- a negative control group a PBS (Vehicle) injection group and T cells that do not express CAR (Control T cells) were used.
- the size of the tumor which was 500 mm 3 , was stagnated for 7 days after administration of CAR-T cells, but decreased sharply after that, making it difficult to measure after 25 days.
- the number of hCD45+ cells in the mouse blood showed an increasing pattern and gradually decreased after about 25 days. It seems that CAR-T cells are activated and proliferate after recognizing the antigen, increasing the number of cells in the blood.
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Abstract
Description
클론명 | CDR | |||||
VH | VL | |||||
CDR1 | CDR2 | CDR3 | CDR1 | CDR2 | CDR3 | |
2445_1F09 | GFTVSSNY (서열번호 1) |
IYSGGST (서열번호 2) |
DRGWNHGMDV (서열번호 3) |
SSEVGSRY (서열번호 4) |
KND (서열번호 5) |
AAWDDSLNGYV (서열번호 6) |
2447_2H08 | GYTFTNYG(서열번호 11) | ISAYNGNT (서열번호 12) |
DPHILTGYYRGGWFDP (서열번호 13) |
SLRTSY (서열번호 14) |
GKT (서열번호 15) |
HSRDSNDNYLEVV (서열번호 16) |
2447_3A01 | GFTFDDYA(서열번호 21) | ISWNSGSI (서열번호 22) |
DISSGWYPGTFDY (서열번호 23) |
SLRSYY (서열번호 24) |
GKN (서열번호 25) |
SSRDSSDDVV (서열번호 26) |
2447_3A08 | GYTFTSYG(서열번호 31) | ISAYNGNT (서열번호 32) |
DRATIFGVVTPFDY (서열번호 33) |
SIRSYS (서열번호 34) |
GKN (서열번호 35) |
NSRDSSGNRVV (서열번호 36) |
2447_3A09 | GFTFDDYA(서열번호 41) | ISWNSGSI (서열번호 42) |
DVSSGWYWYAFDI (서열번호 43) |
SLRSYY (서열번호 44) |
GKN (서열번호 45) |
NSRDSGGSVV (서열번호 46) |
2447_3A12 | GYTFTSYG(서열번호 51) | ISAYNGNT (서열번호 52) |
DPHILTGYYRGGWFDP (서열번호 53) |
SLRSYY (서열번호 54) |
GKN (서열번호 55) |
NSRDSSGNHRV (서열번호 56) |
2447_3B07 | GFTFDDYA(서열번호 61) | TSWDGGST (서열번호 62) |
DHSSGWYNGGMDV (서열번호 63) |
SLRSYY (서열번호 64) |
GKN (서열번호 65) |
NSRDSSGNHVV (서열번호 66) |
2447_3C08 | GFTFDDYA(서열번호 71) | ISWNSGSI (서열번호 72) |
DRGSGYEGNYYGMDV (서열번호 73) |
SLRSYY (서열번호 74) |
GKN (서열번호 75) |
NSRDSSGNHYV (서열번호 76) |
2447_3H02 | GFTFDDYA(서열번호 81) | ISWDSGSI (서열번호 82) |
DVSSGWYWYAFDI (서열번호 83) |
ILRSYY (서열번호 84) |
GKN (서열번호 85) |
NSRDSSGNRVV (서열번호 86) |
2447_3H08 | GFTFDDYA(서열번호 91) | ISWNSGSI (서열번호 92) |
DRSSGWYTGSFDY (서열번호 93) |
SLRSYY (서열번호 94) |
GKN (서열번호 95) |
QSRDSSDNRVL (서열번호 96) |
클론명 | VH | VL |
2445_1F09 | EVQLLETGGGLIQPGGSLRLSCAASGFTVSSNYMSWVRQAPGKGLEWVSVIYSGGSTYYADSVKGRFTISRDNSKNTLYLQMNSLRAEDTAVYYCARDRGWNHGMDVWGQGTLVTVSS (서열번호 7) | QSGLTQPPSASGTPGQRVTISCSGGSSEVGSRYVSWYQQLPGTAPRLLIYKNDRRPSGVPDRFSGSKSGSSASLAISGLRSEDEADYYCAAWDDSLNGYVFGTGTKLTVL (서열번호 8) |
2447_2H08 | EVQLVQSGAEVKKPGASVKVSCKASGYTFTNYGISWVRQAPGQGLEWMGWISAYNGNTNYAQKLQGRVTMTTDTSTSTAYMELRSLRSDDTAVYYCARDPHILTGYYRGGWFDPWGQGTTVTVSS (서열번호 17) | SYELTQDPAVSVALGQTVTITCQGDSLRTSYAGWLQQKPGQAPVLVLYGKTSRPSGIPDRFSGSTSGNTASLTITGAQAEDEAEYFCHSRDSNDNYLEVVFGGGTKLTVL (서열번호 18) |
2447_3A01 | EVQLLESGGGLVQPGGSLRLSCAASGFTFDDYAMHWVRQAPGKGLEWVSGISWNSGSIVYADFVKGRFTISRDNAKNSLYLQMNSLRAEDTALYYCAKDISSGWYPGTFDYWGQGTLVTVSS (서열번호 27) | SYELTQDPAVSVALGQTVRITCQGDSLRSYYASWYQQKPGQAPVLVIYGKNNRPSGIPDRFSGSSSGNTASLTVTGAQAEDEADYYCSSRDSSDDVVFGGGTQLTVL (서열번호 28) |
2447_3A08 | EVQLVQSGAEVKKPGASVKVSCKASGYTFTSYGISWVRQAPGQGLEWMGWISAYNGNTNYAQKLQGRVTMTTDTSTSTAYMELRSLRSDDTAVYYCARDRATIFGVVTPFDYWGQGTLVTVSS (서열번호 37) | SYELTQDPAVSVALGQTVRITCQGDSIRSYSASWYQQKPGQAPRLVIYGKNNRPSGIPDRVSGSTSGNTASLTVTGAQAEDEADYYCNSRDSSGNRVVFGGGTQLTVL (서열번호 38) |
2447_3A09 | EVQLLESGGGLVQPGRSLRLSCAATGFTFDDYAMHWVRQAPGKGLEWVSGISWNSGSIGYADSVKGRFTISRDNAKNSLYLQMNSLRAEDTASYYCAKDVSSGWYWYAFDIWGQGTLVTVSS (서열번호 47) | SYELTQDPAVSVALGQTVRITCQGDSLRSYYASWYQQKPGQAPVLVIYGKNNRPSGIPGRFSGSSSGNTASLTVTGAQAEDEADYYCNSRDSGGSVVFGGGTKLTVL (서열번호 48) |
2447_3A12 | EVQLVQSGAEVKKPGASVKVSCKASGYTFTSYGISWVRQAPGQGLEWMGWISAYNGNTNYAQKLRGRVTMTTDTSTSTAYMELRSLRSDDTAVYYCARDPHILTGYYRGGWFDPWGQGTLVTVSS (서열번호 57) | SYELTQDPAVSVVLGQTVRITCQGDSLRSYYASWYQQKPGQAPVLVIYGKNNRPSGIPDRFSGSSSGNTASLTITGAQAEDEADYYCNSRDSSGNHRVFGGGTKLTVL (서열번호 58) |
2447_3B07 | QVQLVESGGVVVQPGGSLRLSCAASGFTFDDYAMHWVRQAPGRGLEWVSLTSWDGGSTYYADSVKGRFTISRDNSKNSLYLQMNSLRAEDTALYYCAKDHSSGWYNGGMDVWGQGTMVTVSS (서열번호 67) | SYELTQDPAVSVALGQTVRITCQGDSLRSYYASWYQQKPGQAPVLVIYGKNNRPSGIPDRFSGSSSGNTASLTITGAQAEDEADYYCNSRDSSGNHVVFGGGTKLTVL (서열번호 68) |
2447_3C08 | EVQLLESGGGLVQPGGSLRLSCAASGFTFDDYAMHWVRQAPGKGLEWVSGISWNSGSIGYADSVKGRFTISRDNAKNSLYLQMNSLRAEDTALYYCAKDRGSGYEGNYYGMDVWGQGTLVTVSS (서열번호 77) | SYELTQDPAVSVALGQTVRITCQGDSLRSYYASWYQQKPGQAPVLVIYGKNNRPSGIPDRFSGTTSGNTASLTITGAQAEDEADYYCNSRDSSGNHYVFGTGTKVTVL (서열번호 78) |
2447_3H02 | EVQLLESGGGLVQPGRSLRLSCAASGFTFDDYAMHWVRQAPGKGLEWVSGISWDSGSIGYADSVKGRFTISRDNAKNSLYLQMNSLRAEDTALYYCAKDVSSGWYWYAFDIWGQGTLVTVSS (서열번호 87) | SYELTQDPAVSVALGQTVRITCQGDILRSYYASWYQQKPGQAPVLVIYGKNNRPSGIPDRFSGSSSGNTASLTITGAQAEDEADYYCNSRDSSGNRVVFGGGTKLTVL (서열번호 88) |
2447_3H08 | EVQLLESGGGLVQPGRSLRLSCAASGFTFDDYAMHWVRQAPGKGLEWVSGISWNSGSIDYADSVKGRFTISRDNSKNTLYLQMNSLRAEDTAVYYCARDRSSGWYTGSFDYWGQGTLVTVSS (서열번호 97) | SYELTQDPAVSVALGQTVRITCQGDSLRSYYASWYRQKPGQAPVLVIYGKNNRPSGIPDRFSGSSSGNTASLTIIGAQAEDEADYYCQSRDSSDNRVLFGGGTKVTVL (서열번호 98) |
클론명 | scFv 아미노산 서열 |
2445_1F09 | EVQLLETGGGLIQPGGSLRLSCAASGFTVSSNYMSWVRQAPGKGLEWVSVIYSGGSTYYADSVKGRFTISRDNSKNTLYLQMNSLRAEDTAVYYCARDRGWNHGMDVWGQGTLVTVSSGGGGSGGGGSGGGASQSGLTQPPSASGTPGQRVTISCSGGSSEVGSRYVSWYQQLPGTAPRLLIYKNDRRPSGVPDRFSGSKSGSSASLAISGLRSEDEADYYCAAWDDSLNGYVFGTGTKLTVL (서열번호 9) |
2447_2H08 | EVQLVQSGAEVKKPGASVKVSCKASGYTFTNYGISWVRQAPGQGLEWMGWISAYNGNTNYAQKLQGRVTMTTDTSTSTAYMELRSLRSDDTAVYYCARDPHILTGYYRGGWFDPWGQGTTVTVSSGGGGSGGGGSGGGASSYELTQDPAVSVALGQTVTITCQGDSLRTSYAGWLQQKPGQAPVLVLYGKTSRPSGIPDRFSGSTSGNTASLTITGAQAEDEAEYFCHSRDSNDNYLEVVFGGGTKLTVL (서열번호 19) |
2447_3A01 | EVQLLESGGGLVQPGGSLRLSCAASGFTFDDYAMHWVRQAPGKGLEWVSGISWNSGSIVYADFVKGRFTISRDNAKNSLYLQMNSLRAEDTALYYCAKDISSGWYPGTFDYWGQGTLVTVSSGGGGSGGGGSGGGASSYELTQDPAVSVALGQTVRITCQGDSLRSYYASWYQQKPGQAPVLVIYGKNNRPSGIPDRFSGSSSGNTASLTVTGAQAEDEADYYCSSRDSSDDVVFGGGTQLTVL (서열번호 29) |
2447_3A08 | EVQLVQSGAEVKKPGASVKVSCKASGYTFTSYGISWVRQAPGQGLEWMGWISAYNGNTNYAQKLQGRVTMTTDTSTSTAYMELRSLRSDDTAVYYCARDRATIFGVVTPFDYWGQGTLVTVSSGGGGSGGGGSGGGASSYELTQDPAVSVALGQTVRITCQGDSIRSYSASWYQQKPGQAPRLVIYGKNNRPSGIPDRVSGSTSGNTASLTVTGAQAEDEADYYCNSRDSSGNRVVFGGGTQLTVL (서열번호 39) |
2447_3A09 | EVQLLESGGGLVQPGRSLRLSCAATGFTFDDYAMHWVRQAPGKGLEWVSGISWNSGSIGYADSVKGRFTISRDNAKNSLYLQMNSLRAEDTASYYCAKDVSSGWYWYAFDIWGQGTLVTVSSGGGGSGGGGSGGGASSYELTQDPAVSVALGQTVRITCQGDSLRSYYASWYQQKPGQAPVLVIYGKNNRPSGIPGRFSGSSSGNTASLTVTGAQAEDEADYYCNSRDSGGSVVFGGGTKLTVL (서열번호 49) |
2447_3A12 | EVQLVQSGAEVKKPGASVKVSCKASGYTFTSYGISWVRQAPGQGLEWMGWISAYNGNTNYAQKLRGRVTMTTDTSTSTAYMELRSLRSDDTAVYYCARDPHILTGYYRGGWFDPWGQGTLVTVSSGGGGSGGGGSGGGASSYELTQDPAVSVVLGQTVRITCQGDSLRSYYASWYQQKPGQAPVLVIYGKNNRPSGIPDRFSGSSSGNTASLTITGAQAEDEADYYCNSRDSSGNHRVFGGGTKLTVL (서열번호 59) |
2447_3B07 | QVQLVESGGVVVQPGGSLRLSCAASGFTFDDYAMHWVRQAPGRGLEWVSLTSWDGGSTYYADSVKGRFTISRDNSKNSLYLQMNSLRAEDTALYYCAKDHSSGWYNGGMDVWGQGTMVTVSSGGGGSGGGGSGGGASSYELTQDPAVSVALGQTVRITCQGDSLRSYYASWYQQKPGQAPVLVIYGKNNRPSGIPDRFSGSSSGNTASLTITGAQAEDEADYYCNSRDSSGNHVVFGGGTKLTVL (서열번호 69) |
2447_3C08 | EVQLLESGGGLVQPGGSLRLSCAASGFTFDDYAMHWVRQAPGKGLEWVSGISWNSGSIGYADSVKGRFTISRDNAKNSLYLQMNSLRAEDTALYYCAKDRGSGYEGNYYGMDVWGQGTLVTVSSGGGGSGGGGSGGGASSYELTQDPAVSVALGQTVRITCQGDSLRSYYASWYQQKPGQAPVLVIYGKNNRPSGIPDRFSGTTSGNTASLTITGAQAEDEADYYCNSRDSSGNHYVFGTGTKVTVL (서열번호 79) |
2447_3H02 | EVQLLESGGGLVQPGRSLRLSCAASGFTFDDYAMHWVRQAPGKGLEWVSGISWDSGSIGYADSVKGRFTISRDNAKNSLYLQMNSLRAEDTALYYCAKDVSSGWYWYAFDIWGQGTLVTVSSGGGGSGGGGSGGGASSYELTQDPAVSVALGQTVRITCQGDILRSYYASWYQQKPGQAPVLVIYGKNNRPSGIPDRFSGSSSGNTASLTITGAQAEDEADYYCNSRDSSGNRVVFGGGTKLTVL (서열번호 89) |
2447_3H08 | EVQLLESGGGLVQPGRSLRLSCAASGFTFDDYAMHWVRQAPGKGLEWVSGISWNSGSIDYADSVKGRFTISRDNSKNTLYLQMNSLRAEDTAVYYCARDRSSGWYTGSFDYWGQGTLVTVSSGGGGSGGGGSGGGASSYELTQDPAVSVALGQTVRITCQGDSLRSYYASWYRQKPGQAPVLVIYGKNNRPSGIPDRFSGSSSGNTASLTIIGAQAEDEADYYCQSRDSSDNRVLFGGGTKVTVL (서열번호 99) |
G03 | EVQLVQSGAEVKKPGATVKISCKVSGYTFTSYWMHWVQQAPGKGLEWIGYINPGTGYIEYNQKFKDRVTITADKSTDTAYMELSSLRSEDTAVYYCASSTAPFDYWGQGTLVTVSSGGGGSGGGGSGGGASEIVLTQSPGTLSLSPGERATLSCKASQDIKSYLSWYQQKPGQAPRLLIYYATRLADGIPDRFSGSGSGTDFTLTISRLEPEDFAVYYCLQYDESPYTFGQGTKLEIK (서열번호 109) |
클론명 | scFv 염기 서열 |
2445_1F09 | GAGGTGCAGCTGTTGGAGACTGGAGGAGGCTTGATCCAGCCTGGGGGGTCCCTGAGACTCTCCTGTGCAGCCTCTGGGTTCACCGTCAGTAGCAACTACATGAGCTGGGTCCGCCAGGCTCCAGGGAAGGGGCTGGAGTGGGTCTCAGTTATTTATAGCGGTGGTAGCACATATTACGCAGACTCCGTGAAGGGCCGATTCACCATCTCCAGAGACAATTCCAAGAACACGCTGTATCTTCAAATGAACAGCCTGAGAGCCGAGGACACGGCCGTGTATTACTGTGCGAGAGATCGCGGCTGGAACCACGGTATGGACGTCTGGGGCCAGGGAACCCTGGTCACCGTCTCGAGTGGTGGAGGCGGTTCAGGCGGAGGTGGCTCTGGCGGTGGCGCTAGCCAGTCTGGGCTGACTCAGCCACCCTCAGCGTCTGGGACCCCCGGGCAGAGGGTCACCATCTCTTGTTCTGGGGGCAGCTCAGAAGTCGGAAGTAGATATGTGTCCTGGTACCAGCAACTCCCAGGAACGGCCCCCAGACTCCTCATCTATAAGAATGATCGGCGGCCCTCAGGGGTCCCTGACCGATTCTCTGGCTCCAAGTCTGGCTCCTCAGCCTCCCTGGCCATCAGTGGGCTCCGGTCCGAGGATGAGGCTGATTATTACTGTGCAGCATGGGATGACAGCCTGAATGGTTATGTCTTCGGAACTGGGACCAAGCTGACCGTCCTA (서열번호 10) |
2447_2H08 | GAAGTGCAGCTGGTGCAGTCTGGAGCTGAGGTGAAGAAGCCTGGGGCCTCAGTGAAGGTCTCCTGCAAGGCTTCTGGTTACACCTTTACCAACTACGGTATCAGCTGGGTGCGACAGGCCCCTGGACAAGGGCTTGAGTGGATGGGATGGATCAGCGCTTACAATGGTAACACAAACTATGCACAGAAGCTCCAGGGCAGAGTCACCATGACCACAGACACATCCACGAGCACAGCCTACATGGAGCTGAGGAGCCTGAGATCTGACGACACGGCCGTGTATTACTGTGCGAGAGATCCGCATATTTTGACTGGTTATTATAGGGGAGGGTGGTTCGACCCCTGGGGGCAAGGGACCACGGTCACCGTCTCGAGTGGTGGAGGCGGTTCAGGCGGAGGTGGCTCTGGCGGTGGCGCTAGCTCCTATGAGCTGACTCAGGACCCTGCTGTGTCTGTGGCCTTGGGTCAGACAGTCACCATCACGTGCCAAGGAGACAGCCTCAGAACCTCTTATGCAGGCTGGCTCCAGCAGAAGCCAGGACAGGCCCCTGTACTCGTCCTCTATGGTAAAACCAGCCGGCCCTCAGGGATCCCAGACCGATTCTCTGGCTCCACCTCAGGAAACACAGCTTCCTTGACCATCACTGGGGCTCAGGCGGAGGATGAGGCTGAGTATTTCTGTCACTCCCGGGACAGCAATGATAACTATCTAGAGGTGGTTTTCGGCGGAGGGACCAAGCTGACCGTCCTA (서열번호 20) |
2447_3A01 | GAGGTGCAGCTGTTGGAGTCTGGGGGAGGCTTGGTACAGCCTGGGGGGTCCCTGAGACTCTCCTGTGCAGCCTCTGGATTCACCTTTGATGATTATGCCATGCACTGGGTCCGGCAAGCTCCAGGGAAGGGCCTGGAGTGGGTCTCAGGTATTAGTTGGAATAGTGGTAGCATAGTCTATGCGGACTTTGTGAAGGGCCGATTCACCATCTCCAGAGACAACGCCAAGAACTCCCTGTATCTGCAAATGAACAGTCTGAGAGCTGAGGACACGGCCTTGTATTACTGTGCAAAAGATATTTCAAGTGGCTGGTACCCAGGGACCTTTGACTACTGGGGCCAGGGAACCCTGGTCACCGTCTCGAGTGGTGGAGGCGGTTCAGGCGGAGGTGGCTCTGGCGGTGGCGCTAGCTCCTATGAGCTGACTCAGGACCCTGCTGTGTCTGTGGCCTTGGGACAGACAGTCAGGATCACATGCCAAGGAGACAGCCTCAGAAGCTATTATGCAAGCTGGTACCAGCAGAAGCCAGGACAGGCCCCTGTACTTGTCATCTATGGTAAAAACAACCGGCCCTCAGGGATCCCAGACCGATTCTCTGGCTCCAGCTCAGGAAACACAGCTTCCTTGACCGTCACTGGGGCTCAGGCGGAAGACGAGGCTGACTATTACTGTAGCTCCCGGGACAGCAGTGATGATGTGGTATTCGGCGGAGGGACCCAGCTCACCGTCCTA (서열번호 30) |
2447_3A08 | GAAGTGCAGCTGGTGCAGTCTGGAGCTGAGGTGAAGAAGCCTGGGGCCTCAGTGAAGGTCTCCTGCAAGGCTTCTGGTTACACCTTTACCAGCTACGGTATCAGCTGGGTGCGACAGGCCCCTGGACAAGGGCTTGAGTGGATGGGATGGATCAGCGCTTACAATGGTAACACAAACTATGCACAGAAGCTCCAGGGCAGAGTCACCATGACCACAGACACATCCACGAGCACAGCCTACATGGAGCTGAGGAGCCTGAGATCTGACGACACGGCCGTGTATTACTGTGCGAGAGATCGGGCTACGATTTTTGGAGTGGTTACCCCCTTTGACTACTGGGGCCAAGGAACCCTGGTCACCGTCTCGAGTGGTGGAGGCGGTTCAGGCGGAGGTGGCTCTGGCGGTGGCGCTAGCTCCTATGAGCTGACTCAGGACCCCGCTGTGTCTGTGGCCTTGGGACAGACAGTCAGGATCACATGCCAGGGAGACAGTATTAGAAGTTATTCTGCCAGCTGGTACCAGCAGAAGCCAGGGCAGGCCCCTCGCCTTGTTATCTATGGTAAAAACAACCGGCCCTCAGGGATCCCAGACCGAGTCTCTGGCTCCACTTCAGGAAATACAGCTTCCTTGACCGTCACTGGGGCTCAGGCGGAAGATGAGGCTGACTATTACTGTAACTCCCGGGACAGCAGTGGTAACCGTGTGGTATTCGGCGGAGGGACCCAGCTCACCGTCCTA (서열번호 40) |
2447_3A09 | GAGGTGCAGCTGTTGGAGTCTGGGGGAGGCTTGGTACAGCCTGGCAGGTCCCTGAGACTCTCCTGTGCAGCCACTGGATTCACCTTTGATGATTATGCCATGCACTGGGTCCGGCAAGCTCCAGGGAAGGGCCTGGAGTGGGTCTCAGGTATTAGTTGGAATAGTGGTAGCATAGGCTATGCGGACTCTGTGAAGGGCCGATTCACCATCTCCAGAGACAACGCCAAGAACTCCCTGTATCTGCAAATGAACAGTCTGAGAGCTGAGGACACGGCCTCGTATTACTGTGCAAAAGATGTTAGCAGTGGCTGGTACTGGTATGCTTTTGATATCTGGGGCCAAGGAACCCTGGTCACCGTCTCGAGTGGTGGAGGCGGTTCAGGCGGAGGTGGCTCTGGCGGTGGCGCTAGCTCCTATGAGCTGACTCAGGACCCTGCTGTGTCTGTGGCCTTGGGACAGACAGTCAGGATCACATGCCAAGGAGACAGCCTCAGAAGCTATTATGCAAGCTGGTACCAGCAGAAGCCAGGACAGGCCCCTGTACTTGTCATCTATGGTAAAAACAACCGGCCCTCAGGGATCCCAGGCCGATTCTCTGGCTCCAGCTCAGGAAACACAGCTTCCTTGACCGTCACTGGGGCTCAGGCGGAAGATGAGGCTGACTATTACTGTAATTCCCGGGACAGCGGTGGTTCTGTGGTTTTCGGCGGAGGGACCAAGCTGACCGTCCTA (서열번호 50) |
2447_3A12 | GAAGTGCAGCTGGTGCAGTCTGGAGCTGAGGTGAAGAAGCCTGGGGCCTCAGTGAAGGTCTCCTGCAAGGCTTCTGGTTACACCTTTACCAGCTATGGTATCAGCTGGGTGCGACAGGCCCCTGGACAAGGGCTTGAGTGGATGGGATGGATCAGCGCTTACAATGGTAACACAAACTATGCACAGAAGCTCCGGGGCAGAGTCACCATGACCACAGACACATCCACGAGCACAGCCTACATGGAGCTGAGGAGCCTGAGATCTGACGACACGGCCGTGTATTACTGTGCGAGAGATCCGCATATTTTGACTGGTTATTATAGGGGAGGGTGGTTCGACCCCTGGGGCCAGGGCACCCTGGTCACCGTCTCGAGTGGTGGAGGCGGTTCAGGCGGAGGTGGCTCTGGCGGTGGCGCTAGCTCCTATGAGCTGACTCAGGACCCTGCTGTGTCTGTGGTCTTGGGACAGACAGTCAGGATCACATGCCAAGGAGACAGCCTCAGAAGCTATTATGCAAGCTGGTACCAGCAGAAGCCAGGACAGGCCCCTGTACTTGTCATCTATGGTAAAAACAACCGGCCCTCAGGGATCCCAGACCGATTCTCTGGCTCCAGCTCAGGAAACACAGCTTCCTTGACCATCACTGGGGCTCAGGCGGAAGATGAGGCTGACTATTACTGTAACTCCCGGGACAGCAGTGGTAACCATCGTGTATTCGGCGGAGGGACCAAGCTGACCGTCCTA (서열번호 60) |
2447_3B07 | CAGGTGCAGCTGGTGGAGTCTGGGGGAGTCGTGGTACAGCCTGGGGGGTCCCTGAGACTCTCCTGTGCAGCCTCTGGATTCACCTTTGATGATTATGCCATGCACTGGGTCCGTCAAGCTCCGGGGAGGGGTCTGGAGTGGGTCTCTCTTACTAGTTGGGATGGTGGTAGCACATACTATGCAGACTCTGTGAAGGGTCGATTCACCATCTCCAGAGACAACAGCAAAAACTCCCTGTATCTGCAAATGAACAGTCTGAGAGCTGAGGACACCGCCTTGTATTACTGTGCAAAAGATCATAGCAGCGGCTGGTACAACGGGGGTATGGACGTCTGGGGCCAAGGGACAATGGTCACCGTCTCGAGTGGTGGAGGCGGTTCAGGCGGAGGTGGCTCTGGCGGTGGCGCTAGCTCCTATGAGCTGACTCAGGACCCTGCTGTGTCTGTGGCCTTGGGACAGACAGTCAGGATCACATGCCAAGGAGACAGCCTCAGAAGCTATTATGCAAGCTGGTACCAGCAGAAGCCAGGACAGGCCCCTGTACTTGTCATCTATGGTAAAAACAACCGGCCCTCAGGGATCCCAGACCGATTCTCTGGCTCCAGCTCAGGAAACACAGCTTCCTTGACCATCACTGGGGCTCAGGCGGAAGATGAGGCTGACTATTACTGTAACTCCCGGGACAGCAGTGGTAACCATGTGGTATTCGGCGGAGGGACCAAGCTGACCGTCCTA (서열번호 70) |
2447_3C08 | GAGGTGCAGCTGTTGGAGTCTGGGGGAGGCTTGGTACAGCCTGGGGGGTCCCTGAGACTCTCCTGTGCAGCCTCTGGATTCACCTTTGATGATTATGCCATGCACTGGGTCCGGCAAGCTCCAGGGAAGGGCCTGGAGTGGGTCTCAGGTATTAGTTGGAATAGTGGTAGCATAGGCTATGCGGACTCTGTGAAGGGCCGATTCACCATCTCCAGAGACAACGCCAAGAACTCCCTGTATCTGCAAATGAACAGTCTGAGAGCTGAGGACACGGCCTTGTATTACTGTGCAAAAGATAGGGGTAGTGGCTACGAAGGAAACTACTACGGTATGGACGTCTGGGGCCAAGGAACCCTGGTCACCGTCTCGAGTGGTGGAGGCGGTTCAGGCGGAGGTGGCTCTGGCGGTGGCGCTAGCTCCTATGAGCTGACTCAGGACCCTGCTGTGTCTGTGGCCTTGGGACAGACAGTCAGGATCACATGCCAAGGAGACAGCCTCAGAAGCTATTATGCAAGCTGGTACCAGCAGAAGCCAGGACAGGCCCCTGTACTTGTCATCTATGGTAAAAACAACCGGCCCTCAGGGATCCCAGACCGATTCTCTGGTACCACCTCAGGAAACACAGCCTCCTTGACCATCACTGGGGCTCAGGCGGAAGATGAGGCTGACTATTACTGTAACTCCCGGGACAGCAGTGGTAACCATTATGTCTTCGGAACTGGGACCAAGGTCACCGTCCTA (서열번호 80) |
2447_3H02 | GAGGTGCAGCTGTTGGAGTCTGGGGGAGGCTTGGTACAGCCTGGCAGGTCCCTGAGACTCTCCTGTGCAGCCTCTGGATTCACCTTTGATGATTATGCCATGCACTGGGTCCGGCAAGCTCCAGGGAAGGGCCTGGAGTGGGTCTCAGGTATTAGTTGGGATAGTGGTAGCATAGGCTATGCGGACTCTGTGAAGGGCCGATTCACCATCTCCAGAGACAACGCCAAGAACTCCCTGTATCTGCAAATGAACAGTCTGAGAGCTGAGGACACGGCCTTGTATTACTGTGCAAAAGATGTTAGCAGTGGCTGGTACTGGTATGCTTTTGATATCTGGGGCCAGGGAACCCTGGTCACCGTCTCGAGTGGTGGAGGCGGTTCAGGCGGAGGTGGCTCTGGCGGTGGCGCTAGCTCCTATGAGCTGACTCAGGACCCTGCTGTGTCTGTGGCCTTGGGACAGACAGTCAGGATCACATGCCAAGGAGACATCCTCAGAAGTTATTATGCAAGTTGGTACCAGCAGAAGCCAGGACAGGCCCCTGTACTTGTCATTTATGGTAAAAACAACCGGCCCTCAGGGATCCCAGACCGATTCTCTGGCTCCAGCTCAGGAAACACAGCTTCCTTGACCATCACTGGGGCTCAGGCGGAAGATGAGGCTGACTATTACTGTAACTCCCGGGACAGCAGTGGTAACCGTGTGGTATTCGGCGGAGGGACCAAGCTGACCGTCCTA (서열번호 90) |
2447_3H08 | GAGGTGCAGCTGTTGGAGTCTGGGGGAGGCTTGGTACAGCCTGGCAGGTCCCTGAGACTCTCCTGTGCAGCCTCTGGATTCACCTTTGATGATTATGCCATGCACTGGGTCCGGCAAGCTCCAGGGAAGGGCCTGGAGTGGGTCTCAGGTATTAGTTGGAATAGTGGTAGCATAGACTATGCAGACTCCGTGAAGGGCCGATTCACCATCTCCAGAGACAATTCCAAGAACACGCTGTATCTGCAAATGAACAGCCTGAGAGCTGAGGACACAGCTGTGTACTACTGTGCGAGAGATCGGAGTAGTGGCTGGTACACGGGGTCCTTTGACTACTGGGGCCAGGGCACCCTGGTCACCGTCTCGAGTGGTGGAGGCGGTTCAGGCGGAGGTGGCTCTGGCGGTGGCGCTAGCTCCTATGAGCTGACTCAGGACCCTGCTGTGTCTGTGGCCTTGGGACAGACAGTCAGGATCACATGCCAAGGAGACAGCCTCAGAAGCTATTATGCAAGCTGGTACCGGCAGAAGCCAGGACAGGCCCCTGTACTTGTCATCTATGGTAAAAACAACCGGCCCTCAGGGATCCCAGACCGATTCTCTGGCTCCAGCTCGGGAAACACAGCTTCCTTGACCATCATTGGGGCTCAGGCGGAAGACGAGGCTGACTATTACTGTCAGTCCCGGGACAGCAGTGATAACCGTGTTCTATTCGGCGGAGGGACCAAGGTCACCGTCCTA (서열번호 100) |
클론명 | KD (M) |
2447_2H08 | 94.8 x 10-9 |
2447_3A01 | 51.5 x 10-9 |
2447_3A08 | 320.3 x 10-9 |
2447_3A09 | 62.1 x 10-9 |
2447_3A12 | 13.8 x 10-9 |
2447_3B07 | 51.7 x 10-9 |
2447_3C08 | 24.0 x 10-9 |
2447_3H02 | 58.8 x 10-9 |
2447_3H08 | 39.9 x 10-9 |
G03 | 27.6 x 10-9 |
클론명 | EC50 (293T-v1) (ug/ml) | EC50 (T47D) (ug/ml) |
G03 | 3.46 | 3.56 |
2445_1F09 | 1.51x107 | 6.19x107 |
2447_3A01 | 4.78 | 11.14 |
2447_3A08 | 1.73 | 3.76 |
2447_3A09 | 1.96 | 2.2 |
2447_3A12 | 1.47 | 0.75 |
2447_3C08 | 1.38 | 2.04 |
2447_3H02 | 1.41 | 1.6 |
2447_3H08 | 2.57 | 5.6 |
2447_2H08 | 21.73 | 130.4 |
2447_3B07 | 3.86 | 3.47 |
Claims (25)
- 다음으로 이루어진 군에서 선택되는 중쇄 가변(VH) 영역 및 경쇄 가변(VL) 영역 쌍을 포함하는, 뮤신1(Mucin1)에 결합하는 폴리펩티드:- 각각 서열번호 1, 서열번호 2 및 서열번호 3의 아미노산 서열로 기재되는상보성결정영역(CDR) 1, 2 및 3을 포함하는 VH 영역, 및 각각 서열번호 4, 서열번호 5 및 서열번호 6의 아미노산 서열로 기재되는 CDR 1, 2 및 3을 포함하는 VL 영역;- 각각 서열번호 11, 서열번호 12 및 서열번호 13의 아미노산 서열로 기재되는 CDR 1, 2 및 3을 포함하는 VH 영역, 및 각각 서열번호 14, 서열번호 15 및 서열번호 16의 아미노산 서열로 기재되는 CDR 1, 2 및 3을 포함하는 VL 영역;- 각각 서열번호 21, 서열번호 22 및 서열번호 23의 아미노산 서열로 기재되는 CDR 1, 2 및 3을 포함하는 VH 영역, 및 각각 서열번호 24, 서열번호 25 및 서열번호 26의 아미노산 서열로 기재되는 CDR 1, 2 및 3을 포함하는 VL 영역;- 각각 서열번호 31, 서열번호 32 및 서열번호 33의 아미노산 서열로 기재되는 CDR 1, 2 및 3을 포함하는 VH 영역, 및 각각 서열번호 44, 서열번호 45 및 서열번호 46의 아미노산 서열로 기재되는 CDR 1, 2 및 3을 포함하는 VL 영역;- 각각 서열번호 51, 서열번호 52 및 서열번호 53의 아미노산 서열로 기재되는 CDR 1, 2 및 3을 포함하는 VH 영역, 및 각각 서열번호 54, 서열번호 55 및 서열번호 56의 아미노산 서열로 기재되는 CDR 1, 2 및 3을 포함하는 VL 영역;- 각각 서열번호 61, 서열번호 62 및 서열번호 63의 아미노산 서열로 기재되는 CDR 1, 2 및 3을 포함하는 VH 영역, 및 각각 서열번호 64, 서열번호 65 및 서열번호 66의 아미노산 서열로 기재되는 CDR 1, 2 및 3을 포함하는 VL 영역;- 각각 서열번호 71, 서열번호 72 및 서열번호 73의 아미노산 서열로 기재되는 CDR 1, 2 및 3을 포함하는 VH 영역, 및 각각 서열번호 74, 서열번호 75 및 서열번호 76의 아미노산 서열로 기재되는 CDR 1, 2 및 3을 포함하는 VL 영역;- 각각 서열번호 81, 서열번호 82 및 서열번호 83의 아미노산 서열로 기재되는 CDR 1, 2 및 3을 포함하는 VH 영역, 및 각각 서열번호 84, 서열번호 85 및 서열번호 86의 아미노산 서열로 기재되는 CDR 1, 2 및 3을 포함하는 VL 영역; 및- 각각 서열번호 91, 서열번호 92 및 서열번호 93의 아미노산 서열로 기재되는 CDR 1, 2 및 3을 포함하는 VH 영역, 및 각각 서열번호 94, 서열번호 95 및 서열번호 96의 아미노산 서열로 기재되는 CDR 1, 2 및 3을 포함하는 VL 영역.
- 제1항에 있어서,다음으로 이루어진 군에서 선택되는 중쇄 가변(VH) 영역 및 경쇄 가변(VL) 영역 쌍을 포함하는, 폴리펩티드:- 서열번호 7의 아미노산 서열을 포함하는 VH 영역 및 서열번호 8의 아미노산 서열을 포함하는 VL 영역;- 서열번호 17의 아미노산 서열을 포함하는 VH 영역 및 서열번호 18의 아미노산 서열을 포함하는 VL 영역;- 서열번호 27의 아미노산 서열을 포함하는 VH 영역 및 서열번호 28의 아미노산 서열을 포함하는 VL 영역;- 서열번호 37의 아미노산 서열을 포함하는 VH 영역 및 서열번호 38의 아미노산 서열을 포함하는 VL 영역;- 서열번호 47의 아미노산 서열을 포함하는 VH 영역 및 서열번호 48의 아미노산 서열을 포함하는 VL 영역;- 서열번호 57의 아미노산 서열을 포함하는 VH 영역 및 서열번호 58의 아미노산 서열을 포함하는 VL 영역;- 서열번호 67의 아미노산 서열을 포함하는 VH 영역 및 서열번호 68의 아미노산 서열을 포함하는 VL 영역;- 서열번호 77의 아미노산 서열을 포함하는 VH 영역 및 서열번호 78의 아미노산 서열을 포함하는 VL 영역;- 서열번호 87의 아미노산 서열을 포함하는 VH 영역 및 서열번호 88의 아미노산 서열을 포함하는 VL 영역; 및- 서열번호 97의 아미노산 서열을 포함하는 VH 영역 및 서열번호 98의 아미노산 서열을 포함하는 VL 영역.
- 제1항에 있어서,항체 또는 이의 항원 결합 단편인, 폴리펩티드.
- 제1항에 있어서,scFv (single chain variable fragment), 펩티바디, Fab (fragment antigen binding), 단일클론 항체, 이중특이성 항체, 미니바디, 도메인 항체, 합성 항체, 키메라 항체, 인간화 항체, 인간 항체, 또는 항체 융합체 단백질인, 폴리펩티드.
- 제1항에 있어서,상기 VH 영역 및 상기 VL 영역이 링커에 의해 연결된 것인, 폴리펩티드.
- 제5항에 있어서,상기 링커의 아미노산 서열이 GGGGSGGGGSGGGAS 인, 폴리펩티드.
- 제1항에 있어서,서열번호 9, 서열번호 19, 서열번호 29, 서열번호 39, 서열번호 49, 서열번호 59, 서열번호 69, 서열번호 79, 서열번호 89 및 서열번호 99로 이루어진 군에서 선택되는 아미노산 서열을 포함하는 scFv인, 폴리펩티드.
- 제1항 내지 제7항 중 어느 한 항의 뮤신1-결합 폴리펩티드를 코딩하는 단리된 폴리뉴클레오티드.
- 제8항의 폴리뉴클레오티드를 포함하는 벡터.
- 제9항의 벡터를 포함하는 세포.
- 제1항 내지 제7항 중 어느 한 항의 뮤신1-결합 폴리펩티드를 포함하는, 키메라 항원 수용체 (chimeric antigen receptor).
- 제11항에 있어서,상기 뮤신1-결합 폴리펩티드를 포함하는 세포외 도메인; 막관통 도메인; 및 세포내 신호 전달 도메인을 포함하는, 키메라 항원 수용체.
- 제12항에 있어서,상기 세포외 도메인은 상기 뮤신1-결합 폴리펩티드와 막관통 도메인 사이에 스페이서 영역을 추가로 포함하는, 키메라 항원 수용체.
- 제13항에 있어서,상기 스페이서가 CD8α 또는 CD28의 힌지 부위, 또는 면역글로불린 (IgG)의 불변영역의 전부 또는 일부를 포함하는 것인, 키메라 항원 수용체.
- 제12항에 있어서,상기 막관통 도메인이 CD28 또는 CD8의 막관통 도메인인, 키메라 항원 수용체.
- 제12항에 있어서,상기 세포내 신호 전달 도메인이 CD3 제타 신호전달 도메인인, 키메라 항원 수용체.
- 제12항에 있어서,1개 이상의 공동자극 도메인(co-stimulatory domain)을 더욱 포함하는, 키메라 항원 수용체.
- 제17항에 있어서,공동자극 도메인이 막관통 도메인과 세포내 신호 전달 도메인 사이에 위치한 것인, 키메라 항원 수용체.
- 제17항에 있어서,공동자극 도메인이 CD28, OX-40, 4-1BB (CD137), CD27 또는 ICOS의 신호전달 도메인인, 키메라 항원 수용체.
- 제11항의 키메라 항원 수용체를 코딩하는 단리된 폴리뉴클레오티드.
- 제20항의 폴리뉴클레오티드를 포함하는 벡터.
- 제1항 내지 제7항 중 어느 한 항의 뮤신1-결합 폴리펩티드를 포함하는 키메라 항원 수용체를 발현하거나, 상기 키메라 항원 수용체를 코딩하는 폴리뉴클레오티드를 포함하는, 면역 세포.
- 제22항에 있어서,T 세포, 종양 침윤 림프구 (TIL), NK (Natural killer) 세포, TCR-발현 세포, 수지상 세포, 또는 NK-T 세포인, 면역 세포.
- 제22항에 있어서,자가 T 세포 또는 동종 T 세포인, 면역 세포.
- 제1항 내지 제7항 중 어느 한 항의 뮤신1-결합 폴리펩티드;상기 뮤신1-결합 폴리펩티드를 코딩하는 단리된 폴리뉴클레오티드;상기 뮤신1-결합 폴리펩티드를 코딩하는 폴리뉴클레오티드를 포함하는 벡터;상기 뮤신1-결합 폴리펩티드를 코딩하는 폴리뉴클레오티드를 포함하는 세포;상기 뮤신1-결합 폴리펩티드를 포함하는 키메라 항원 수용체;상기 키메라 항원 수용체를 코딩하는 단리된 폴리뉴클레오티드;상기 키메라 항원 수용체를 코딩하는 폴리뉴클레오티드를 포함하는 벡터; 또는상기 키메라 항원 수용체를 코딩하는 폴리뉴클레오티드를 포함하거나 상기 키메라 항원 수용체를 발현하는 면역 세포를 포함하는,암의 예방 또는 치료용 조성물.
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CN202180086168.7A CN116670162A (zh) | 2020-12-24 | 2021-12-24 | 粘蛋白1特异性多肽及其用途 |
PE2023001953A PE20240117A1 (es) | 2020-12-24 | 2021-12-24 | Polipeptido especifico para mucina 1 y sus usos |
MX2023007665A MX2023007665A (es) | 2020-12-24 | 2021-12-24 | Polipeptido especifico para mucina 1 y uso del mismo. |
EP21911602.7A EP4265640A2 (en) | 2020-12-24 | 2021-12-24 | Polypeptide specific for mucin 1 and use thereof |
JP2023539197A JP2024503803A (ja) | 2020-12-24 | 2021-12-24 | ムチン1に特異的なポリペプチドおよびその利用 |
AU2021410416A AU2021410416A1 (en) | 2020-12-24 | 2021-12-24 | Polypeptide specific for mucin 1 and use thereof |
IL303902A IL303902A (en) | 2020-12-24 | 2021-12-24 | MUCIN 1-specific polypeptide and its use |
CA3203067A CA3203067A1 (en) | 2020-12-24 | 2021-12-24 | Polypeptide specific for mucin 1 and use thereof |
CONC2023/0009764A CO2023009764A2 (es) | 2020-12-24 | 2023-07-24 | Polipéptido específico para mucina 1 y sus usos |
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BR112019010064A2 (pt) | 2016-11-18 | 2019-10-01 | Astellas Pharma Inc | novo fragmento fab do anticorpo muc1 anti-humano |
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WO2018174544A2 (ko) | 2017-03-21 | 2018-09-27 | 주식회사 펩트론 | Muc1에 특이적으로 결합하는 항체 및 그의 용도 |
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CL2023001873A1 (es) | 2024-01-26 |
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IL303902A (en) | 2023-08-01 |
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JP2024503803A (ja) | 2024-01-29 |
AU2021410416A1 (en) | 2023-08-10 |
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EP4265640A2 (en) | 2023-10-25 |
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