Dual variable domain immunoglobulins and uses thereof

1. A binding protein capable of binding at least IL-1α and IL-1β, comprising first and second polypeptide chains, wherein said first polypeptide chain comprises a first VD1-(X1)n-VD2-C-(X2)n, wherein

VD1 is a first heavy chain variable domain comprising CDRs 1-3 from SEQ ID NO: 52;

VD2 is a second heavy chain variable domain comprising CDRs 1-3 from SEQ ID NO: 68;

C is a heavy chain constant domain;

X1 is a linker;

X2 is an Fc region; and

n is 1; and

wherein said second polypeptide chain comprises a second VD1-(X1)n-VD2-C-(X2)n, wherein

VD1 is a first light chain variable domain comprising CDRs 1-3 from SEQ ID NO: 53;

VD2 is a second light chain variable domain comprising CDRs 1-3 from SEQ ID NO: 69;

C is a light chain constant domain;

X1 is a linker;

n is 1 for (X1)n; and

(X2)n is absent.

2. The binding protein according to claim 1 , wherein the first polypeptide chain comprises the VD1 sequence of SEQ ID NO: 52 and the VD2 sequence of SEQ ID NO: 68, and the second polypeptide chain comprises the VD1 sequence of SEQ ID NO: 53 and the VD2 sequence of SEQ ID NO: 69.

3. The binding protein according to claim 1 , wherein X1 is at least one of SEQ ID NOs: 1-27.

4. The binding protein according to claim 1 , wherein the binding protein comprises two first polypeptide chains and two second polypeptide chains and forms four functional binding sites.

5. The binding protein according to claim 1 , wherein the Fc region is a variant sequence Fc region.

6. The binding protein according to claim 1 , wherein the Fc region is an Fc region from an IgG1, IgG2, IgG3, IgG4, IgA, IgM, IgE, or IgD.

7. The binding protein according to claim 1 , wherein said VD1 and said VD2 are a human antibody or a CDR grafted antibody.

8. A binding protein conjugate comprising the binding protein according to claim 1 , said binding protein conjugate further comprising an immunoadhesion molecule, an imaging agent, a therapeutic agent, or a cytotoxic agent.

9. The binding protein conjugate according to claim 8 , wherein said imaging agent is a radiolabel, an enzyme, a fluorescent label, a luminescent label, a bioluminescent label, a magnetic label, or biotin.

10. The binding protein according to claim 1 , wherein said binding protein is a crystallized binding protein.

11. A pharmaceutical composition comprising the binding protein according to claim 1 , and a pharmaceutically acceptable carrier.

12. The pharmaceutical composition according to claim 11 further comprising at least one additional therapeutic agent.

13. The pharmaceutical composition according to claim 12 , wherein said additional therapeutic agent is an imaging agent, a cytotoxic agent, an angiogenesis inhibitor, a kinase inhibitor, a co-stimulation molecule blocker, an adhesion molecule blocker, an anti-cytokine antibody or functional fragment thereof, methotrexate, cyclosporin, rapamycin, FK506, a detectable label or reporter, a TNF antagonist, an antirheumatic, a muscle relaxant, a narcotic, a non-steroid anti-inflammatory drug (NSAID), an analgesic, an anesthetic, a sedative, a local anesthetic, a neuromuscular blocker, an antimicrobial, an antipsoriatic, a corticosteroid, an anabolic steroid, an erythropoietin, an immunization, an immunoglobulin, an immunosuppressive, a growth hormone, a hormone replacement drug, a radiopharmaceutical, an antidepressant, an antipsychotic, a stimulant, an asthma medication, a beta agonist, an inhaled steroid, an epinephrine or analog, a cytokine, or a cytokine antagonist.

14. A method of determining the presence of at least one target or fragment thereof in a test sample by an immunoassay,

wherein the immunoassay comprises contacting the test sample with at least one binding protein and at least one detectable label,

wherein the at least one binding protein comprises the binding protein according to claim 1 .

15. A method of determining the amount or concentration of an target or fragment thereof in a test sample by an immunoassay,

wherein the immunoassay (a) employs at least one binding protein and at least one detectable label and (b) comprises comparing a signal generated by the detectable label with a control or calibrator comprising the antigen or fragment thereof,

wherein the calibrator is optionally part of a series of calibrators in which each calibrator differs from the other calibrators in the series by the concentration of the antigen or fragment thereof,

and wherein the at least one binding protein comprises the binding protein according to claim 1 .

16. A kit for assaying a test sample for the presence, amount, or concentration of an target or fragment thereof, said kit comprising

(a) instructions for assaying the test sample for the antigen or fragment thereof and

(b) at least one binding protein comprising the binding protein according to claim 1 .

17. The binding protein according to claim 1 , wherein the binding protein is capable of binding:

IL-1alpha and IL-1beta, wherein the binding protein comprises:

SEQ ID NO: 210 and 211;

SEQ ID NO: 214 and 215; or

SEQ ID NO: 218 and 219.

18. The binding protein according to claim 1 , wherein X1 is SEQ ID NO: 13, 14, 21, or 22.