Dual variable domain immunoglobulins and uses thereof

1. A binding protein comprising first and second polypeptide chains, each independently comprising VD1-(X1)n-VD2-C-(X2)n, wherein

VD1 is a first variable domain;

VD2 is a second variable domain;

C is a constant domain;

X1 is a linker;

X2 is an Fc region;

n is 0 or 1,

wherein the VD1 domains on the first and second polypeptide chains form a first functional target binding site and the VD2 domains on the first and second polypeptide chains form a second functional target binding site, and wherein the binding protein is capable of binding TNF and sclerostin (SOST), wherein

(1) the variable domains that form a functional target binding site for TNF comprise

SEQ ID NO: 38 and/or SEQ ID NO: 39,

SEQ ID NO: 40 and/or SEQ ID NO: 41,

SEQ ID NO: 42 and/or SEQ ID NO: 43,

SEQ ID NO: 46 and/or SEQ ID NO: 47, or

SEQ ID NO: 48 and/or SEQ ID NO: 49

and

(2) the variable domains that form a functional target binding site for SOST comprise SEQ ID NO: 34 and/or SEQ ID NO: 35.

2. A binding protein comprising first and second polypeptide chains, each independently comprising VD1-(X1)n-VD2-C-(X2)n, wherein

VD1 is a first variable domain;

VD2 is a second variable domain;

C is a constant domain;

X1 is a linker;

X2 is an Fc region;

n is 0 or 1,

wherein the VD1 domains on the first and second polypeptide chains form a first functional target binding site and the VD2 domains on the first and second polypeptide chains form a second functional target binding site, and wherein the binding protein is capable of binding TNF and SOST, wherein

(1) the variable domains that form a functional target binding site for TNF comprise:

CDRs 1-3 from SEQ ID NO: 38 and CDRs 1-3 from SEQ ID NO: 39,

CDRs 1-3 from SEQ ID NO: 40 and CDRs 1-3 from SEQ ID NO: 41,

CDRs 1-3 from SEQ ID NO: 42 and CDRs 1-3 from SEQ ID NO: 43,

CDRs 1-3 from SEQ ID NO: 46 and CDRs 1-3 from SEQ ID NO: 47, or

CDRs 1-3 from SEQ ID NO: 48 and CDRs 1-3 from SEQ ID NO: 49

and

(2) the variable domains that form a functional target binding site for SOST comprise CDRs 1-3 from SEQ ID NO: 34 and CDRs 1-3 from SEQ ID NO: 35.

3. The binding protein according to claim 1 or 2 , wherein the first polypeptide chain comprises a first VD1-(X1)n-VD2-C-(X2)n, wherein

VD1 is a first heavy chain variable domain;

VD2 is a second heavy chain variable domain;

C is a heavy chain constant domain;

X1 is a linker;

X2 is an Fc region;

n is 0 or 1, and

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

VD1 is a first light chain variable domain;

VD2 is a second light chain variable domain;

C is a light chain constant domain;

X1 is a linker;

X2 is absent;

n is 0 or 1,

wherein the VD1 domains on the first and second polypeptide chains form a first functional target binding site and the VD2 domains on the first and second polypeptide chains form a second functional target binding site.

4. The binding protein according to claim 2 , wherein

(1) the variable domains that form a functional target binding site for TNF comprise:

SEQ ID NO: 38 and SEQ ID NO: 39,

SEQ ID NO: 40 and SEQ ID NO: 41,

SEQ ID NO: 42 and SEQ ID NO: 43,

SEQ ID NO: 46 and SEQ ID NO: 47, or

SEQ ID NO: 48 and SEQ ID NO: 49;

and

(2) the variable domains that form a functional target binding site for SOST comprise SEQ ID NO: 34 and SEQ ID NO: 35.

5. The binding protein according to claim 1 or 2 , comprising two first polypeptide chains and two second polypeptide chains, wherein the binding protein comprises four functional target binding sites.

6. The binding protein according to claim 1 or 2 , wherein X1 is any one of SEQ ID NO: 1-29.

7. The binding protein according to claim 1 or 2 , wherein the Fc region is a variant sequence Fc region.

8. The binding protein according to claim 1 or 2 , wherein the Fc region is an Fc region from an IgG1, IgG2, IgG3, IgG4, IgA, IgM, IgE, or IgD.

9. The binding protein according to claim 1 or 2 , wherein the binding protein is a crystallized binding protein.

10. A binding protein capable of binding TNF and SOST, wherein the binding protein comprises any one of:

DVD1226 (comprising SEQ ID NOs: 74 and 75),

DVD1227 (comprising SEQ ID NOs: 76 and 77),

DVD1228 (comprising SEQ ID NOs: 78 and 79),

DVD1229 (comprising SEQ ID NOs: 80 and 81),

DVD1230 (comprising SEQ ID NOs: 82 and 83),

DVD1231 (comprising SEQ ID NOs: 84 and 85),

DVD1248 (comprising SEQ ID NOs: 86 and 87),

DVD1249 (comprising SEQ ID NOs: 88 and 89),

DVD1256 (comprising SEQ ID NOs: 90 and 91), and

DVD1257 (comprising SEQ ID NOs: 92 and 93).

11. A binding protein conjugate comprising a binding protein according to claim 1 or 2 , the binding protein conjugate further comprising an immunoadhesion molecule, an imaging agent, a therapeutic agent, or a cytotoxic agent.

12. The binding protein conjugate according to claim 11 , wherein the imaging agent is a radiolabel, an enzyme, a fluorescent label, a luminescent label, a bioluminescent label, a magnetic label, or biotin.

13. The binding protein conjugate according to claim 12 , wherein the radiolabel is 3 H, 14 C, 35 S, 90 Y, 99 Tc, 111 In, 131 I, 177 Lu, 166 Ho, or 153 Sm.

14. The binding protein conjugate according to claim 11 , wherein the therapeutic or cytotoxic agent is an anti-metabolite, an alkylating agent, an antibiotic, a growth factor, a cytokine, an anti-angiogenic agent, an anti-mitotic agent, an anthracycline, a toxin, or an apoptotic agent.

15. An isolated nucleic acid encoding the binding protein amino acid sequence according to claim 1 .

16. A vector comprising the isolated nucleic acid according to claim 15 .

17. A host cell comprising the vector according to claim 16 .

18. The host cell according to claim 17 , wherein the host cell is a prokaryotic cell, Escherichia coli , a eukaryotic cell, an animal cell, a plant cell, a fungal cell, a yeast cell, an Sf9 cell, a mammalian cell, an avian cell, an insect cell, a CHO cell or a COS cell.

19. A method of producing a binding protein, comprising culturing the host cell of claim 18 in culture medium under conditions sufficient to produce the binding protein.

20. A pharmaceutical composition comprising the binding protein according to claim 1 or 2 , and a pharmaceutically acceptable carrier.

21. The pharmaceutical composition according to claim 20 , further comprising at least one additional therapeutic agent.

22. A method of determining the presence, amount, or concentration of TNF and/or SOST 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, and

wherein the at least one binding protein comprises the binding protein of claim 1 .

23. A kit for assaying a test sample for the presence, amount, or concentration of TNF and/or SOST, said kit comprising (a) instructions for assaying the test sample for TNF and/or SOST and (b) at least one binding protein comprising the binding protein of claim 1 or 2 .

24. The binding protein according to claim 1 or 2 , wherein the binding protein is capable of binding to TNF with a K D of at most about 3.60×10 −9 M, as measured by surface plasmon resonance; and/or the binding protein is capable of binding to SOST with a K D of at most about 4.74×10 −9 M, as measured by surface plasmon resonance.