Human monoclonal antibodies to CTLA-4
In accordance with the present invention, there are provided fully human monoclonal antibodies against human cytotoxic T-lymphocyte antigen 4 (CTLA-4). Nucleotide sequences encoding and amino acid sequences comprising heavy and light chain immunoglobulin molecules, particularly contiguous heavy and light chain sequences spanning the complementarity determining regions (CDRs), specifically from within FR1 and/or CDR1 through CDR3 and/or within FR4, are provided. Further provided are antibodies having similar binding properties and antibodies (or other antagonists) having similar functionality as antibodies disclosed herein.
1. An isolated cell line that produces a monoclonal anti-CLTA-4 antibody or an antigen-binding portion thereof, wherein the antibody or antigen-binding portion comprises a CDR1 sequence, a CDR2 sequence and a CDR3 sequence of a heavy chain and a light chain having the sequences of:
(a) SEQ ID NOs: 86 and 112, respectively;
(b) SEQ ID NOs: 73 and 95, respectively;
(c) SEQ ID NOs: 75 and 89, respectively;
(d) SEQ ID NOs: 76 and 92, respectively;
(e) SEQ ID NOs: 77 and 93, respectively;
(f) SEQ ID NOs: 78 and 90, respectively;
(g) SEQ ID NOs: 79 and 91, respectively;
(h) SEQ ID NOs: 81 and 97, respectively;
(i) SEQ ID NOs: 82 and 98, respectively;
(j) SEQ ID NOs: 83 and 114, respectively; and
(k) SEQ ID NOs: 84 and 116, respectively.
2. An isolated nucleic acid molecule comprising a nucleotide sequence that encodes the heavy chain or an antigen-binding portion thereof, the light chain or an antigen-binding portion thereof, or both, of a monoclonal anti-CLTA-4 antibody or an antigen-binding portion thereof, wherein the antibody or antigen-binding portion comprises a CDR1 sequence, a CDR2 sequence and a CDR3 sequence of a heavy chain and a light chain having the sequences of:
(1) SEQ ID NOs: 86 and 112, respectively;
(2) SEQ ID NOs: 73 and 95, respectively;
(3) SEQ ID NOs: 75 and 89, respectively;
(4) SEQ ID NOs: 76 and 92, respectively;
(5) SEQ ID NOs: 77 and 93, respectively;
(6) SEQ ID NOs: 78 and 90, respectively;
(7) SEQ ID NOs: 79 and 91, respectively;
(8) SEQ ID NOs: 81 and 97, respectively;
(9) SEQ ID NOs: 82 and 98, respectively;
(10) SEQ ID NOs: 83 and 114, respectively; and
(11) SEQ ID NOs: 84 and 116, respectively.
3. A method for treating cancer or an infection in a subject in need thereof with an antibody or antigen-binding portion that specifically binds to CTLA-4, comprising the steps of:
(a) administering to a cell of the subject an effective amount of a nucleic acid molecule encoding the heavy chain or an antigen-binding portion thereof, and a nucleic acid molecule encoding the light chain or an antigen-binding portion thereof, of a monoclonal anti-CLTA-4 antibody or an antigen-binding portion thereof, wherein the antibody or antigen-binding portion comprises a CDR1 sequence, a CDR2 sequence and a CDR3 sequence of a heavy chain and a light chain having the sequences of:
(1) SEQ ID NOs: 86 and 112, respectively;
(2) SEQ ID NOs: 73 and 95, respectively;
(3) SEQ ID NOs: 75 and 89, respectively;
(4) SEQ ID NOs: 76 and 92, respectively;
(5) SEQ ID NOs: 77 and 93, respectively;
(6) SEQ ID NOs: 78 and 90, respectively;
(7) SEQ ID NOs: 79 and 91, respectively;
(8) SEQ ID NOs: 81 and 97, respectively;
(9) SEQ ID NOs: 82 and 98, respectively;
(10) SEQ ID NOs: 83 and 114, respectively; and
(11) SEQ ID NOs: 84 and 116, respectively; and
(b) expressing said nucleic acid molecule in the cell.
4. The isolated cell line according to claim 1 , wherein the antibody or antigen-binding fragment thereof comprises the V H and V L domains of the heavy chain and the light chain having the sequences of:
(1) SEQ ID NOs: 86 and 112, respectively;
(2) SEQ ID NOs: 73 and 95, respectively;
(3) SEQ ID NOs: 75 and 89, respectively;
(4) SEQ ID NOs: 76 and 92, respectively;
(5) SEQ ID NOs: 77 and 93, respectively;
(6) SEQ ID NOs: 78 and 90, respectively;
(7) SEQ ID NOs: 79 and 91, respectively;
(8) SEQ ID NOs: 81 and 97, respectively;
(9) SEQ ID NOs: 82 and 98, respectively;
(10) SEQ ID NOs: 83 and 114, respectively; and
(11) SEQ ID NOs: 84 and 116, respectively.
5. The isolated cell line according to claim 4 , wherein the antibody comprises the heavy chain and the light chain having the sequences of:
(1) SEQ ID NOs: 86 and 112, respectively;
(2) SEQ ID NOs: 73 and 95, respectively;
(3) SEQ ID NOs: 75 and 89, respectively;
(4) SEQ ID NOs: 76 and 92, respectively;
(5) SEQ ID NOs: 77 and 93, respectively;
(6) SEQ ID NOs: 78 and 90, respectively;
(7) SEQ ID NOs: 79 and 91, respectively;
(8) SEQ ID NOs: 81 and 97, respectively;
(9) SEQ ID NOs: 82 and 98, respectively;
(10) SEQ ID NOs: 83 and 114, respectively; and
(11) SEQ ID NOs: 84 and 116, respectively.
6. A method for producing an anti-CTLA-4 antibody or an antigen-binding portion thereof, comprising culturing the cell line according to any one of claims 1 , 4 and 5 under suitable conditions and recovering said antibody or antigen-binding portion.
7. The isolated nucleic acid molecule according to claim 2 , wherein the antibody or antigen-binding fragment thereof comprises the V H and V L domains of the heavy chain and the light chain having the sequences of:
(1) SEQ ID NOs: 86 and 112, respectively;
(2) SEQ ID NOs: 73 and 95, respectively;
(3) SEQ ID NOs: 75 and 89, respectively;
(4) SEQ ID NOs: 76 and 92, respectively;
(5) SEQ ID NOs: 77 and 93, respectively;
(6) SEQ ID NOs: 78 and 90, respectively;
(7) SEQ ID NOs: 79 and 91, respectively;
(8) SEQ ID NOs: 81 and 97, respectively;
(9) SEQ ID NOs: 82 and 98, respectively;
(10) SEQ ID NOs: 83 and 114, respectively; and
(11) SEQ ID NOs: 84 and 116, respectively.
8. The isolated nucleic acid molecule according to claim 7 , wherein the antibody comprises the heavy chain and the light chain having the sequences of:
(1) SEQ ID NOs: 86 and 112, respectively;
(2) SEQ ID NOs: 73 and 95, respectively;
(3) SEQ ID NOs: 75 and 89, respectively;
(4) SEQ ID NOs: 76 and 92, respectively;
(5) SEQ ID NOs: 77 and 93, respectively;
(6) SEQ ID NOs: 78 and 90, respectively;
(7) SEQ ID NOs: 79 and 91, respectively;
(8) SEQ ID NOs: 81 and 97, respectively;
(9) SEQ ID NOs: 82 and 98, respectively;
(10) SEQ ID NOs: 83 and 114, respectively; and
(11) SEQ ID NOs: 84 and 116, respectively.
9. A vector comprising a nucleotide sequence that encodes the heavy chain or an antigen-binding portion thereof, the light chain or an antigen-binding portion thereof, or both of a monoclonal anti-CLTA-4 antibody or an antigen-binding portion thereof, wherein the vector comprises the isolated nucleic acid molecule according to any one of claims 2 , 7 and 8 .
10. A recombinant host cell comprising the isolated nucleic acid molecule according to any one of claims 2 , 7 and 8 .
11. A recombinant host cell comprising the vector according to claim 9 .
12. The method according to claim 3 , wherein the antibody or antigen-binding fragment thereof comprises the V H and V L domains of the heavy chain and the light chain having the sequences of:
(1) SEQ ID NOs: 86 and 112, respectively;
(2) SEQ ID NOs: 73 and 95, respectively;
(3) SEQ ID NOs: 75 and 89, respectively;
(4) SEQ ID NOs: 76 and 92, respectively;
(5) SEQ ID NOs: 77 and 93, respectively;
(6) SEQ ID NOs: 78 and 90, respectively;
(7) SEQ ID NOs: 79 and 91, respectively;
(8) SEQ ID NOs: 81 and 97, respectively;
(9) SEQ ID NOs: 82 and 98, respectively;
(10) SEQ ID NOs: 83 and 114, respectively; and
(11) SEQ ID NOs: 84 and 116, respectively.
13. The method according to claim 12 , wherein the antibody comprises the heavy chain and the light chain having the sequences of:
(1) SEQ ID NOs: 86 and 112, respectively;
(2) SEQ ID NOs: 73 and 95, respectively;
(3) SEQ ID NOs: 75 and 89, respectively;
(4) SEQ ID NOs: 76 and 92, respectively;
(5) SEQ ID NOs: 77 and 93, respectively;
(6) SEQ ID NOs: 78 and 90, respectively;
(7) SEQ ID NOs: 79 and 91, respectively;
(8) SEQ ID NOs: 81 and 97, respectively;
(9) SEQ ID NOs: 82 and 98, respectively;
(10) SEQ ID NOs: 83 and 114, respectively; and
(11) SEQ ID NOs: 84 and 116, respectively.