Anti-TIM-3 antibodies and methods of use thereof
Antibodies that specifically bind to TIM 3 and antagonize TIM-3 function pharmaceutical compositions comprising these antibodies, nucleic acids encoding these antibodies, expression vectors and host cells for making these antibodies, and methods of treating a subject using these antibodies.
1. An isolated polynucleotide encoding a heavy chain variable region (VH) comprising complementarity determining regions CDRH1, CDRH2 and CDRH3 comprising the amino acid sequences set forth in SEQ ID NOs: 1, 2, and 3; 4, 2, and 3; 5, 2, and 3; 6, 2, and 3; 7, 2, and 3; 8, 2, and 3; 9, 2, and 3; 10, 2, and 3; 11, 2, and 3; or 12, 2, and 3, respectively, and/or a light chain variable region (VL) comprising complementarity determining regions CDRL1, CDRL2 and CDRL3 comprising the amino acid sequences set forth in SEQ ID NOs: 14, 21, and 22; or 15, 18, and 22, respectively.
2. The isolated polynucleotide of claim 1 , wherein the isolated polynucleotide encodes a heavy chain comprising the VH and/or a light chain comprising the VL.
3. The isolated polynucleotide of claim 1 , wherein the CDRH1, CDRH2, and CDRH3, comprise the amino acid sequences set forth in SEQ ID NOs: 5, 2, and 3, respectively, and the CDRL1, CDRL2, and CDRL3 comprise the amino acid sequences set forth in SEQ ID NOs: 14, 21, and 22, respectively.
4. The isolated polynucleotide of claim 1 , wherein the VH comprises an amino acid sequence which is at least 75% identical to an amino acid sequence selected from the group consisting of SEQ ID NOs: 24-35, and the VL comprises an amino acid sequence which is at least 75% identical to an amino acid sequence selected from the group consisting of SEQ ID NOs: 36-47.
5. The isolated polynucleotide of claim 1 , wherein the VH comprises an amino acid sequence selected from the group consisting of SEQ ID NOs: 24-35, and the VL comprises an amino acid sequence selected from the group consisting of SEQ ID NOs: 36-47.
6. The isolated polynucleotide of claim 1 , wherein the VH and VL, respectively, comprise the amino acid sequences set forth in SEQ ID NOs: 24 and 36; 24 and 38; 26 and 42; 24 and 42; 24 and 46; 24 and 43; 26 and 43; 26 and 46; 26 and 41; 24 and 41; 25 and 39; 24 and 47; 25 and 40; 26 and 47; 25 and 37; 25 and 45; 25 and 44; 25 and 46; 25 and 42; 25 and 41; 25 and 43; 25 and 47; 27 and 46; 28 and 46; 29 and 46; 30 and 46; 31 and 46; 32 and 46; 33 and 46; 34 and 46; or 35 and 46.
7. The isolated polynucleotide of claim 1 , wherein the VH and VL, respectively, comprise the amino acid sequences set forth in SEQ ID NOs: 28 and 46.
8. The isolated polynucleotide of claim 2 , wherein the heavy chain comprises an amino acid sequence selected from the group consisting of SEQ ID NOs: 57-68, and wherein the light chain comprises the amino acid sequence set forth in SEQ ID NO: 69.
9. The isolated polynucleotide of claim 2 , wherein the heavy chain and the light chain, respectively, comprises the amino acid sequences set forth in SEQ ID NOs: 57 and 69, 58 and 69, 59 and 69, 60 and 69, 61 and 69, 62 and 69, 63 and 69, 64 and 69, 65 and 69, 66 and 69, 67 and 69, or 68 and 69, respectively.
10. The isolated polynucleotide of claim 2 , wherein the heavy chain and the light chain, respectively, comprise the amino acid sequences set forth in SEQ ID NOs: 61 and 69, respectively.
11. A vector comprising:
(a) the polynucleotide of claim 1 ; or
(b) a first polynucleotide encoding the VH of the antibody set forth in claim 1 , and a second polynucleotide encoding the VL of the antibody set forth in claim 1 .
12. A host cell comprising:
(a) the polynucleotide of claim 1 ;
(b) a first polynucleotide encoding the VH of the antibody set forth in claim 1 , and a second polynucleotide encoding the VL of the antibody set forth in claim 1 ; or
(c) a first vector comprising a first polynucleotide encoding the VH of the antibody set forth in claim 1 , and a second vector comprising a second polynucleotide encoding the VL of the antibody set forth in claim 1 .
13. A method of producing an antibody, comprising culturing the host cell of claim 12 so that the polynucleotide is expressed and the antibody is produced.
14. A vector comprising:
(a) the polynucleotide of claim 2 ; or
(b) a first polynucleotide encoding the heavy chain of the antibody set forth in claim 2 , and a second polynucleotide encoding the light chain of the antibody set forth in claim 2 .
15. A host cell comprising:
(a) the polynucleotide of claim 2 ;
(b) a first polynucleotide encoding the heavy chain of the antibody set forth in claim 2 , and a second polynucleotide encoding the light chain of the antibody set forth in claim 2 ; or
(c) a first vector comprising a first polynucleotide encoding the heavy chain of the antibody set forth in claim 2 , and a second vector comprising a second polynucleotide encoding the light chain of the antibody set forth in claim 2 .
16. A method of producing an antibody, comprising culturing the host cell of claim 15 so that the polynucleotide is expressed and the antibody is produced.
17. A vector comprising:
(a) the polynucleotide of claim 7 ; or
(b) a first polynucleotide encoding the VH of the antibody set forth in claim 7 , and a second polynucleotide encoding the VL of the antibody set forth in claim 7 .
18. A host cell comprising:
(a) the polynucleotide of claim 7 ;
(b) a first polynucleotide encoding the VH of the antibody set forth in claim 7 , and a second polynucleotide encoding the VL of the antibody set forth in claim 7 ; or
(c) a first vector comprising a first polynucleotide encoding the VH of the antibody set forth in claim 7 , and a second vector comprising a second polynucleotide encoding the VL of the antibody set forth in claim 7 .
19. A method of producing an antibody, comprising culturing the host cell of claim 18 so that the polynucleotide is expressed and the antibody is produced.
20. A vector comprising:
(a) the polynucleotide of claim 9 ; or
(b) a first polynucleotide encoding the heavy chain of the antibody set forth in claim 9 , and a second polynucleotide encoding the light chain of the antibody set forth in claim 9 .
21. A host cell comprising:
(a) the polynucleotide of claim 9 ;
(b) a first polynucleotide encoding the heavy chain of the antibody set forth in claim 9 , and a second polynucleotide encoding the light chain of the antibody set forth in claim 9 ; or
(c) a first vector comprising a first polynucleotide encoding the heavy chain of the antibody set forth in claim 9 , and a second vector comprising a second polynucleotide encoding the light chain of the antibody set forth in claim 9 .
22. A method of producing an antibody, comprising culturing the host cell of claim 21 so that the polynucleotide is expressed and the antibody is produced.
23. A vector comprising:
(a) the polynucleotide of claim 10 ; or
(b) a first polynucleotide encoding the heavy chain of the antibody set forth in claim 10 , and a second polynucleotide encoding the light chain of the antibody set forth in claim 10 .
24. A host cell comprising:
(a) the polynucleotide of claim 10 ;
(b) a first polynucleotide encoding the heavy chain of the antibody set forth in claim 10 , and a second polynucleotide encoding the light chain of the antibody set forth in claim 10 ; or
(c) a first vector comprising a first polynucleotide encoding the heavy chain of the antibody set forth in claim 10 , and a second vector comprising a second polynucleotide encoding the light chain of the antibody set forth in claim 10 .
25. A method of producing an antibody, comprising culturing the host cell of claim 24 so that the polynucleotide is expressed and the antibody is produced.