Anti-CD324 monoclonal antibodies and uses thereof

1. A method of treating a CD324-associated neoplastic disorder in a subject comprising administering an isolated anti-CD324 antibody or an antigen-binding fragment thereof to the subject, wherein the isolated anti-CD324 antibody or antigen-binding fragment thereof is selected from the group consisting of:

a) an antibody comprising three light chain complementarity determining regions set forth as residues 24-34 of SEQ ID NO: 20 for CDR-L1, residues 50-56 of SEQ ID NO: 20 for CDR-L2, and residues 89-97 of SEQ ID NO: 20 for CDR-L3, and comprising three heavy chain complementarity determining regions set forth as residues 31-35 of SEQ ID NO: 21 for CDR-H1, residues 50-65 of SEQ ID NO: 21 for CDR-H2 and 95-102 of SEQ ID NO: 21 for CDR-H3, wherein the residues are numbered according to Kabat;

b) an antibody comprising three light chain complementarity determining regions set forth as residues 24-34 of SEQ ID NO: 22 for CDR-L1, residues 50-56 of SEQ ID NO: 22 for CDR-L2, and residues 89-97 of SEQ ID NO: 22 for CDR-L3, and comprising three heavy chain complementarity determining regions set forth as residues 31-35 of SEQ ID NO: 23 for CDR-H1, residues 50-65 of SEQ ID NO: 23 for CDR-H2 and residues 95-102 of SEQ ID NO: 23 for CDR-H3, wherein the residues are numbered according to Kabat;

c) an antibody comprising three light chain complementarity determining regions set forth as residues 24-34 of SEQ ID NO: 24 for CDR-L1, residues 50-56 of SEQ ID NO: 24 for CDR-L2, and residues 89-97 of SEQ ID NO: 24 for CDR-L3, and comprising three heavy chain complementarity determining regions set forth as residues 31-35 of SEQ ID NO: 25 for CDR-H1, residues 50-65 of SEQ ID NO: 25 or SEQ ID NO: 73 for CDR-H2 and residues 95-102 of SEQ ID NO: 25 for CDR-H3, wherein the residues are numbered according to Kabat;

d) an antibody comprising three light chain complementarity determining regions set forth as residues 24-34 of SEQ ID NO: 26 for CDR-L1, residues 50-56 of SEQ ID NO: 26 for CDR-L2, and residues 89-97 of SEQ ID NO: 26 for CDR-L3, and comprising three heavy chain complementarity determining regions set forth as residues 31-35 of SEQ ID NO: 27 for CDR-H1, residues 50-65 of SEQ ID NO: 27 for CDR-H2 and residues 95-102 of SEQ ID NO: 27 for CDR-H3, wherein the residues are numbered according to Kabat;

e) an antibody comprising three light chain complementarity determining regions set forth as residues 24-34 of SEQ ID NO: 28 for CDR-L1, residues 50-56 of SEQ ID NO: 28 for CDR-L2, and residues 89-97 of SEQ ID NO: 28 for CDR-L3, and comprising three heavy chain complementarity determining regions set forth as residues 31-35 of SEQ ID NO: 29 for CDR-H1, residues 50-65 of SEQ ID NO: 29 for CDR-H2 and residues 95-102 of SEQ ID NO: 29 for CDR-H3, wherein the residues are numbered according to Kabat;

f) an antibody comprising three light chain complementarity determining regions set forth as residues 24-34 of SEQ ID NO: 30 for CDR-L1, residues 50-56 of SEQ ID NO: 30 for CDR-L2, and residues 89-97 of SEQ ID NO: 30 for CDR-L3, and comprising three heavy chain complementarity determining regions set forth as residues 31-35 of SEQ ID NO: 31 for CDR-H1, residues 50-65 of SEQ ID NO: 31 for CDR-H2 and residues 95-102 of SEQ ID NO: 31 for CDR-H3, wherein the residues are numbered according to Kabat;

g) an antibody comprising three light chain complementarity determining regions set forth as residues 24-34 of SEQ ID NO: 32 for CDR-L1, residues 50-56 of SEQ ID NO: 32 for CDR-L2, and residues 89-97 of SEQ ID NO: 32 for CDR-L3, and comprising three heavy chain complementarity determining regions set forth as residues 31-35 of SEQ ID NO: 33 for CDR-H1, residues 50-65 of SEQ ID NO: 33 for CDR-H2 and residues 95-102 of SEQ ID NO: 33 for CDR-H3, wherein the residues are numbered according to Kabat;

h) an antibody comprising three light chain complementarity determining regions set forth as residues 24-34 of SEQ ID NO: 34 for CDR-L1, residues 50-56 of SEQ ID NO: 34 for CDR-L2, and residues 89-97 of SEQ ID NO: 34 for CDR-L3, and comprising three heavy chain complementarity determining regions set forth as residues 31-35 of SEQ ID NO: 35 for CDR-H1, residues 50-65 of SEQ ID NO: 35 for CDR-H2 and residues 95-102 of SEQ ID NO: 35 for CDR-H3, wherein the residues are numbered according to Kabat;

i) an antibody comprising three light chain complementarity determining regions set forth as residues 24-34 of SEQ ID NO: 36 for CDR-L1, residues 50-56 of SEQ ID NO: 36 for CDR-L2, and residues 89-97 of SEQ ID NO: 36 for CDR-L3, and comprising three heavy chain complementarity determining regions set forth as residues 31-35 of SEQ ID NO: 37 for CDR-H1, residues 50-65 of SEQ ID NO: 37 for CDR-H2 and residues 95-102 of SEQ ID NO: 37 for CDR-H3, wherein the residues are numbered according to Kabat;

j) an antibody comprising three light chain complementarity determining regions set forth as residues 24-34 of SEQ ID NO: 38 for CDR-L1, residues 50-56 of SEQ ID NO: 38 for CDR-L2, and residues 89-97 of SEQ ID NO: 38 for CDR-L3, and comprising three heavy chain complementarity determining regions set forth as residues 31-35 of SEQ ID NO: 39 for CDR-H1, residues 50-65 of SEQ ID NO: 39 for CDR-H2 and residues 95-102 of SEQ ID NO: 39 for CDR-H3, wherein the residues are numbered according to Kabat;

k) an antibody comprising three light chain complementarity determining regions set forth as residues 24-34 of SEQ ID NO: 40 for CDR-L1, residues 50-56 of SEQ ID NO: 40 for CDR-L2, and residues 89-97 of SEQ ID NO: 40 for CDR-L3, and comprising three heavy chain complementarity determining regions set forth as residues 31-35 of SEQ ID NO: 41 for CDR-H1, residues 50-65 of SEQ ID NO: 41 for CDR-H2 and residues 95-102 of SEQ ID NO: 41 for CDR-H3, wherein the residues are numbered according to Kabat;

l) an antibody comprising three light chain complementarity determining regions set forth as residues 24-34 of SEQ ID NO: 42 for CDR-L1, residues 50-56 of SEQ ID NO: 42 for CDR-L2, and residues 89-97 of SEQ ID NO: 42 for CDR-L3, and comprising three heavy chain complementarity determining regions set forth as residues 31-35 of SEQ ID NO: 43 for CDR-H1, residues 50-65 of SEQ ID NO: 43 for CDR-H2 and residues 95-102 of SEQ ID NO: 43 for CDR-H3, wherein the residues are numbered according to Kabat;

m) an antibody comprising three light chain complementarity determining regions set forth as residues 24-34 of SEQ ID NO: 44 for CDR-L1, residues 50-56 of SEQ ID NO: 44 for CDR-L2, and residues 89-97 of SEQ ID NO: 44 for CDR-L3, and comprising three heavy chain complementarity determining regions set forth as residues 31-35 of SEQ ID NO: 45 for CDR-H1, residues 50-65 of SEQ ID NO: 45 for CDR-H2 and residues 95-102 of SEQ ID NO: 45 for CDR-H3, wherein the residues are numbered according to Kabat;

n) an antibody comprising three light chain complementarity determining regions set forth as residues 24-34 of SEQ ID NO: 46 for CDR-L1, residues 50-56 of SEQ ID NO: 46 for CDR-L2, and residues 89-97 of SEQ ID NO: 46 for CDR-L3, and comprising three heavy chain complementarity determining regions set forth as residues 31-35 of SEQ ID NO: 47 for CDR-H1, residues 50-65 of SEQ ID NO: 47 for CDR-H2 and residues 95-102 of SEQ ID NO: 47 for CDR-H3, wherein the residues are numbered according to Kabat;

o) an antibody comprising three light chain complementarity determining regions set forth as residues 24-34 of SEQ ID NO: 48 for CDR-L1, residues 50-56 of SEQ ID NO: 48 for CDR-L2, and residues 89-97 of SEQ ID NO: 48 for CDR-L3, and comprising three heavy chain complementarity determining regions set forth as residues 31-35 of SEQ ID NO: 49 for CDR-H1, residues 50-65 of SEQ ID NO: 49 for CDR-H2 and residues 95-102 of SEQ ID NO: 49 for CDR-H3, wherein the residues are numbered according to Kabat;

p) an antibody comprising three light chain complementarity determining regions set forth as residues 24-34 of SEQ ID NO: 50 for CDR-L1, residues 50-56 of SEQ ID NO: 50 for CDR-L2, and residues 89-97 of SEQ ID NO: 50 for CDR-L3, and comprising three heavy chain complementarity determining regions set forth as residues 31-35 of SEQ ID NO: 51 for CDR-H1, residues 50-65 of SEQ ID NO: 51 for CDR-H2 and residues 95-102 of SEQ ID NO: 51 for CDR-H3, wherein the residues are numbered according to Kabat;

q) an antibody comprising three light chain complementarity determining regions set forth as residues 24-34 of SEQ ID NO: 52 for CDR-L1, residues 50-56 of SEQ ID NO: 52 for CDR-L2, and residues 89-97 of SEQ ID NO: 52 for CDR-L3, and comprising three heavy chain complementarity determining regions set forth as residues 31-35 of SEQ ID NO: 53 for CDR-H1, residues 50-65 of SEQ ID NO: 53 for CDR-H2 and residues 95-102 of SEQ ID NO: 53 for CDR-H3, wherein the residues are numbered according to Kabat;

r) antibody comprising three light chain complementarity determining regions set forth as residues 24-34 of SEQ ID NO: 54 for CDR-L1, residues 50-56 of SEQ ID NO: 54 for CDR-L2, and residues 89-97 of SEQ ID NO: 54 for CDR-L3, and comprising three heavy chain complementarity determining regions set forth as residues 31-35 of SEQ ID NO: 55 for CDR-H1, residues 50-65 of SEQ ID NO: 55 for CDR-H2 and residues 95-102 of SEQ ID NO: 55 for CDR-H3, wherein the residues are numbered according to Kabat;

s) an antibody comprising three light chain complementarity determining regions set forth as residues 24-34 of SEQ ID NO: 56 for CDR-L1, residues 50-56 of SEQ ID NO: 56 for CDR-L2, and residues 89-97 of SEQ ID NO: 56 for CDR-L3, and comprising three heavy chain complementarity determining regions set forth as residues 31-35 of SEQ ID NO: 57 for CDR-H1, residues 50-65 of SEQ ID NO: 57 for CDR-H2 and residues 95-102 of SEQ ID NO: 57 for CDR-H3, wherein the residues are numbered according to Kabat;

t) an antibody comprising three light chain complementarity determining regions set forth as residues 24-34 of SEQ ID NO: 58 for CDR-L1, residues 50-56 of SEQ ID NO: 58 for CDR-L2, and residues 89-97 of SEQ ID NO: 58 for CDR-L3, and comprising three heavy chain complementarity determining regions set forth as residues 31-35 of SEQ ID NO: 59 for CDR-H1, residues 50-65 of SEQ ID NO: 59 for CDR-H2 and residues 95-102 of SEQ ID NO: 59 for CDR-H3, wherein the residues are numbered according to Kabat;

u) an antibody comprising three light chain complementarity determining regions set forth as residues 24-34 of SEQ ID NO: 60 for CDR-L1, residues 50-56 of SEQ ID NO: 60 for CDR-L2, and residues 89-97 of SEQ ID NO: 60 for CDR-L3, and comprising three heavy chain complementarity determining regions set forth as residues 31-35 of SEQ ID NO: 61 for CDR-H1, residues 50-65 of SEQ ID NO: 61 for CDR-H2 and residues 95-102 of SEQ ID NO: 61 for CDR-H3, wherein the residues are numbered according to Kabat;

v) an antibody comprising three light chain complementarity determining regions set forth as residues 24-34 of SEQ ID NO: 62 for CDR-L1, residues 50-56 of SEQ ID NO: 62 for CDR-L2, and residues 89-97 of SEQ ID NO: 62 for CDR-L3, and comprising three heavy chain complementarity determining regions set forth as residues 31-35 of SEQ ID NO: 63 for CDR-H1, residues 50-65 of SEQ ID NO: 63 for CDR-H2 and residues 95-102 of SEQ ID NO: 63 for CDR-H3, wherein the residues are numbered according to Kabat;

w) an antibody comprising three light chain complementarity determining regions set forth as residues 24-34 of SEQ ID NO: 64 for CDR-L1, residues 50-56 of SEQ ID NO: 64 for CDR-L2, and residues 89-97 of SEQ ID NO: 64 for CDR-L3, and comprising three heavy chain complementarity determining regions set forth as residues 31-35 of SEQ ID NO: 65 for CDR-H1, residues 50-65 of SEQ ID NO: 65 for CDR-H2 and residues 95-102 of SEQ ID NO: 65 for CDR-H3, wherein the residues are numbered according to Kabat;

x) an antibody comprising three light chain complementarity determining regions set forth as residues 24-34 of SEQ ID NO: 66 for CDR-L1, residues 50-56 of SEQ ID NO: 66 for CDR-L2, and residues 89-97 of SEQ ID NO: 66 for CDR-L3, and comprising three heavy chain complementarity determining regions set forth as residues 31-35 of SEQ ID NO: 67 for CDR-H1, residues 50-65 of SEQ ID NO: 67 for CDR-H2 and residues 95-102 of SEQ ID NO: 67 for CDR-H3, wherein the residues are numbered according to Kabat;

y) an antibody comprising three light chain complementarity determining regions set forth as residues 24-34 of SEQ ID NO: 68 for CDR-L1, residues 50-56 of SEQ ID NO: 68 for CDR-L2, and residues 89-97 of SEQ ID NO: 68 for CDR-L3, and comprising three heavy chain complementarity determining regions set forth as residues 31-35 of SEQ ID NO: 69 for CDR-H1, residues 50-65 of SEQ ID NO: 69 for CDR-H2 and residues 95-102 of SEQ ID NO: 69 for CDR-H3, wherein the residues are numbered according to Kabat; and

z) an antibody comprising three light chain complementarity determining regions set forth as residues 24-34 of SEQ ID NO: 70 for CDR-L1, residues 50-56 of SEQ ID NO: 70 for CDR-L2, and residues 89-97 of SEQ ID NO: 70 for CDR-L3, and comprising three heavy chain complementarity determining regions set forth as residues 31-35 of SEQ ID NO:71 for CDR-H1, residues 50-65 of SEQ ID NO: 71 for CDR-H2 and residues 95-102 of SEQ ID NO: 71 for CDR-H3, wherein the residues are numbered according to Kabat; and

aa) an antibody comprising three light chain complementarity determining regions set forth as residues 24-34 of SEQ ID NO: 72 for CDR-L1, residues 50-56 of SEQ ID NO: 72 for CDR-L2, and residues 89-97 of SEQ ID NO: 72 for CDR-L3, and comprising three heavy chain complementarity determining regions set forth as residues 31-35 of SEQ ID NO:73 for CDR-H1, residues 50-65 of SEQ ID NO: 73 for CDR-H2 and residues 95-102 of SEQ ID NO: 73 for CDR-H3, wherein the residues are numbered according to Kabat.

2. The method of claim 1 , wherein the isolated anti-CD324 antibody or antigen-binding fragment thereof selected from the group consisting of:

a) an antibody comprising a light chain variable region set forth as SEQ ID NO: 20, and comprising a heavy chain variable region set forth as SEQ ID NO: 21;

b) an antibody comprising a light chain variable region set forth as SEQ ID NO: 22, and comprising a heavy chain variable region set forth as SEQ ID NO: 23;

c) an antibody comprising a light chain variable region set forth as SEQ ID NO: 24, and comprising a heavy chain variable region set forth as SEQ ID NO: 25;

d) an antibody comprising a light chain variable region set forth as SEQ ID NO: 26, and comprising a heavy chain variable region set forth as SEQ ID NO: 27;

e) an antibody comprising a light chain variable region set forth as SEQ ID NO: 28, and comprising a heavy chain variable region set forth as SEQ ID NO: 29;

f) an antibody comprising a light chain variable region set forth as SEQ ID NO: 30, and comprising a heavy chain variable region set forth as SEQ ID NO: 31;

g) an antibody comprising a light chain variable region set forth as SEQ ID NO: 32, and comprising a heavy chain variable region set forth as SEQ ID NO: 33;

h) an antibody comprising a light chain variable region set forth as SEQ ID NO: 34, and comprising a heavy chain variable region set forth as SEQ ID NO: 35;

i) an antibody comprising a light chain variable region set forth as SEQ ID NO: 36, and comprising a heavy chain variable region set forth as SEQ ID NO: 37;

j) an antibody comprising a light chain variable region set forth as SEQ ID NO: 38, and comprising a heavy chain variable region set forth as SEQ ID NO: 39;

k) an antibody comprising a light chain variable region set forth as SEQ ID NO: 40, and comprising a heavy chain variable region set forth as SEQ ID NO: 41;

l) an antibody comprising a light chain variable region set forth as SEQ ID NO: 42, and comprising a heavy chain variable region set forth as SEQ ID NO: 43;

m) an antibody comprising a light chain variable region set forth as SEQ ID NO: 44, and comprising a heavy chain variable region set forth as SEQ ID NO: 45;

n) an antibody comprising a light chain variable region set forth as SEQ ID NO: 46, and comprising a heavy chain variable region set forth as SEQ ID NO: 47;

o) an antibody comprising a light chain variable region set forth as SEQ ID NO: 48, and comprising a heavy chain variable region set forth as SEQ ID NO: 49;

p) an antibody comprising a light chain variable region set forth as SEQ ID NO: 50, and comprising a heavy chain variable region set forth as SEQ ID NO: 51;

q) an antibody comprising a light chain variable region set forth as SEQ ID NO: 52, and comprising a heavy chain variable region set forth as SEQ ID NO: 53;

r) an antibody comprising a light chain variable region set forth as SEQ ID NO: 54, and comprising a heavy chain variable region set forth as SEQ ID NO: 55;

s) an antibody comprising a light chain variable region set forth as SEQ ID NO: 56, and comprising a heavy chain variable region set forth as SEQ ID NO: 57;

t) an antibody comprising a light chain variable region set forth as SEQ ID NO: 58, and comprising a heavy chain variable region set forth as SEQ ID NO: 59;

u) an antibody comprising a light chain variable region set forth as SEQ ID NO: 60, and comprising a heavy chain variable region set forth as SEQ ID NO: 61;

v) an antibody comprising a light chain variable region set forth as SEQ ID NO: 62, and comprising a heavy chain variable region set forth as SEQ ID NO: 63;

w) an antibody comprising a light chain variable region set forth as SEQ ID NO: 64, and comprising a heavy chain variable region set forth as SEQ ID NO: 65;

x) an antibody comprising a light chain variable region set forth as SEQ ID NO: 66, and comprising a heavy chain variable region set forth as SEQ ID NO: 67;

y) an antibody comprising a light chain variable region set forth as SEQ ID NO: 68, and comprising a heavy chain variable region set forth as SEQ ID NO: 69; and

z) an antibody comprising a light chain variable region set forth as SEQ ID NO: 70, and comprising a heavy chain variable region set forth as SEQ ID NO: 71; and

aa) an antibody comprising a light chain variable region set forth as SEQ ID NO: 72, and comprising a heavy chain variable region set forth as SEQ ID NO: 73.

3. The method of claim 1 , wherein the isolated anti-CD324 antibody or antigen-binding fragment thereof is selected from the group consisting of monoclonal antibodies, chimeric antibodies, and humanized antibodies.

4. The method of claim 2 , wherein the isolated anti-CD324 antibody or antigen-binding fragment thereof comprises a light chain variable region set forth as SEQ ID NO: 72 and comprises a light chain variable region set forth as SEQ ID NO: 73.

5. The method of claim 1 , wherein the isolated anti-CD324 antibody or immunoreactive fragment thereof is conjugated to a cytotoxic agent.

6. The method of claim 4 , wherein the isolated anti-CD324 antibody or antigen-binding fragment thereof is conjugated to a cytotoxic agent.

7. The method of claim 1 , wherein the CD324-associated neoplastic disorder is selected from the group consisting of adrenal cancer, bladder cancer, cervical cancer, endometrial cancer, kidney cancer, liver cancer, lung cancer, ovarian cancer, colorectal cancer, pancreatic cancer, prostate cancer and breast cancer.

8. The method of claim 4 , wherein the CD324-associated neoplastic disorder is selected from the group consisting of adrenal cancer, bladder cancer, cervical cancer, endometrial cancer, kidney cancer, liver cancer, lung cancer, ovarian cancer, colorectal cancer, pancreatic cancer, prostate cancer and breast cancer.