Anti-IL-36 antibodies and methods of use thereof
The present invention provides binding proteins, such as antibodies and antigen-binding fragments, which specifically bind to human IL-36 cytokines, IL-36α, IL-36β, and/or IL-36γ, and block the IL-36 stimulated signaling pathways. Compositions comprising such binding proteins and methods of making and using such binding proteins are also provided.
1. An anti-IL-36 antibody comprising: (i) a light chain variable domain (V L ) comprising a first light chain hypervariable region (HVR-L1), a second light chain hypervariable region (HVR-L2), and a third light chain hypervariable region (HVR-L3) and (ii) a heavy chain variable domain (V H ) comprising a first heavy chain hypervariable region (HVR-H1), a second heavy chain hypervariable region (HVR-H2), and a third heavy chain hypervariable region (HVR-H3); wherein:
HVR-L1 comprises the amino acid sequence of SEQ ID NO: 18, HVR-L2 comprises the amino acid sequence of SEQ ID NO: 19, HVR-L3 comprises the amino acid sequence of SEQ ID NO: 20, HVR-H1 comprises the amino acid sequence of SEQ ID NO: 158, HVR-H2 comprises the amino acid sequence of SEQ ID NO: 159, and HVR-H3 comprises the amino acid sequence of SEQ ID NO: 160;
HVR-L1 comprises the amino acid sequence of SEQ ID NO: 18, HVR-L2 comprises the amino acid sequence of SEQ ID NO: 19, HVR-L3 comprises the amino acid sequence of SEQ ID NO: 20, HVR-H1 comprises the amino acid sequence of SEQ ID NO: 106, HVR-H2 comprises the amino acid sequence of SEQ ID NO: 107, and HVR-H3 comprises the amino acid sequence of SEQ ID NO: 108;
HVR-L1 comprises the amino acid sequence of SEQ ID NO: 34, HVR-L2 comprises the amino acid sequence of SEQ ID NO: 35, HVR-L3 comprises the amino acid sequence of SEQ ID NO: 36, HVR-H1 comprises the amino acid sequence of SEQ ID NO: 66, HVR-H2 comprises the amino acid sequence of SEQ ID NO: 67, and HVR-H3 comprises the amino acid sequence of SEQ ID NO: 68, or
HVR-L1 comprises the amino acid sequence of SEQ ID NO: 18, HVR-L2 comprises the amino acid sequence of SEQ ID NO: 19, HVR-L3 comprises the amino acid sequence of SEQ ID NO: 20, HVR-H1 comprises the amino acid sequence of SEQ ID NO: 50, HVR-H2 comprises the amino acid sequence of SEQ ID NO: 51, and HVR-H3 comprises the amino acid sequence of SEQ ID NO: 52.
2. The antibody of claim 1 ,
the V L domain has at least 90% identity to SEQ ID NO: 77 and V H domain has at least 90% identity to SEQ ID NO: 157; or
the V L domain has at least 90% identity to SEQ ID NO: 77 and the V H domain has at least 90% identity to SEQ ID NO: 105; or
the V L domain has at least 90% identity to SEQ ID NO: 78 and the V H domain has at least 90% identity to SEQ ID NO: 80; or
the V L domain has at least 90% identity to SEQ ID NO: 77 and the V H domain has at least 90% identity to SEQ ID NO: 79.
3. The antibody of claim 1 , wherein:
the light chain amino acid sequence has at least 90% identity to SEQ ID NO: 169 and the heavy chain amino acid sequence has at least 90% identity to a sequence selected from the group consisting of SEQ ID NOs: 191, 192, 193, 203, 204, 205, 233, 234, and 235; or
the light chain amino acid sequence has at least 90% identity to SEQ ID NO: 242 and the heavy chain amino acid sequence has at least 90% identity to a sequence selected from SEQ ID NOs: 170, 171, and 172.
4. The antibody of claim 1 , wherein the antibody is a multispecific antibody comprising:
a pair of light chains each comprising a V L domain comprising: the HVR-L1 sequence of SEQ ID NO: 18; the HVR-L2 sequence of SEQ ID NO: 19; and the HVR-L3 sequence of SEQ ID NO: 20;
a first heavy chain comprising a V H domain comprising: the HVR-H1 sequence of SEQ ID NO: 158; the HVR-H2 sequence of SEQ ID NO: 159; and the HVR-H3 sequence of SEQ ID NO: 160; and
a second heavy chain comprising a V H domain comprising: the HVR-H1 sequence of SEQ ID NO: 106; the HVR-H2 sequence of SEQ ID NO: 107; and the HVR-H3 sequence of SEQ ID NO: 108.
5. The antibody of claim 4 , wherein one of the first heavy chain and second heavy chain comprises the amino acid substitution T336W and the other of the first heavy chain and the second heavy chain comprises the amino acid substitutions T366S, L368A and Y407V.
6. The antibody of claim 4 , wherein:
(a) the pair of light chains each comprises a light chain variable domain (V L ) having the amino acid sequence of SEQ ID NO: 77;
(b) the first heavy chain comprises a heavy chain variable domain (V H ) having the amino acid sequence of SEQ ID NO: 157; and
(c) The second heavy chain comprises a heavy chain variable domain (V H ) having the amino acid sequence of SEQ ID NO: 105.
7. The antibody of claim 1 , wherein the antibody binds to hu-IL-36α, hu-IL-36-β, and/or hu-IL-36-γ with a binding affinity of 1×10 −8 M or less, 1×10 −9 M or less, 1×10 −10 M or less, or 1×10 −11 M or less;
the antibody binds to hu-IL-36α and hu-IL-36-γ with a binding affinity of 1×10 −8 M or less;
the antibody binds to hu-IL-36-β with a binding affinity of 1×10 −8 M or less;
the antibody decreases an intracellular signal stimulated by IL-36α, IL-36β, and/or IL-36γ by at least 90%;
the antibody inhibits release of IL-8 from primary human keratinocytes (PHKs) stimulated by IL-36α, IL-36β, and/or IL-36γ; and/or
the antibody cross-reacts with an IL-36α, IL-36β, or IL-36γ of cynomolgus monkey having the amino acid sequence of SEQ ID NO: 5, 6, or 7.
8. The antibody of claim 7 , wherein the antibody decreases an intracellular signal stimulated by IL-36α, IL-36β, and/or IL-36γ by at least 90%, and wherein said IL-36α has a concentration of about 1.2 nM, said IL-36β has a concentration of about 0.3 nM, and/or said IL-36γ has a concentration of about 7 nM and the antibody has an IC 50 of 10 nM or less.
9. The antibody of claim 8 , wherein the first arm binds to hu-IL-36α, or hu-IL-36-γ with a binding affinity of 1×10 −9 M or less, and the second arm binds hu-IL-36β with a binding affinity of 1×10 −9 M or less.
10. The antibody of claim 7 , wherein the antibody inhibits release of IL-8 from primary human keratinocytes (PHKs) stimulated by IL-36α, IL-36β, and/or IL-36γ, and wherein said IL-36α has a concentration of about 1.2 nM, said IL-36β has a concentration of about 0.3 nM, and/or said IL-36γ has a concentration of about 7 nM and the antibody has an IC 50 of 10 nM or less.
11. A composition comprising an antibody of claim and a pharmaceutically acceptable carrier.
12. A multispecific antibody comprising a pair of light chains (LC) wherein each LC comprises the sequence of SEQ ID NO: 169 and a first and second heavy chain (HC), wherein the first HC comprises the sequence of SEQ ID NO: 235 and the second HC comprises SEQ ID NO: 192.
13. The antibody of claim 12 , having a binding affinity that is measured by equilibrium dissociation constant (KD) to a hu-IL-36α of SEQ ID NO:1, a hu-IL-36β of SEQ ID NO:2, and a hu-IL-36γ of SEQ ID NO:3.
14. The antibody of claim 13 , wherein said IL-36α has a concentration of about 1.2 nM, said IL-36β has a concentration of about 0.3 nM, and/or said IL-36γ has a concentration of about 7 nM and the antibody has an IC 50 of 10 nM or less.
15. The antibody of claim 12 , wherein the antibody comprises a specificity for IL36α or IL-36γ in a first arm, and a specificity for IL-36β in a second arm.
16. The antibody of claim 12 , wherein the antibody decreases an intracellular signal stimulated by IL-36α, IL-36β, or IL-36γ by at least 90%.
17. The antibody of claim 16 , wherein said IL-36α has a concentration of about 1.2 nM, said IL-36β has a concentration of about 0.3 nM, or said IL-36γ has a concentration of about 7 nM and the antibody has an IC 50 of 10 nM or less.
18. The antibody of claim 12 , wherein the antibody inhibits release of IL-8 from primary human keratinocytes (PHKs) stimulated by IL-36α, IL-36β, or IL-36γ.
19. The antibody of claim 12 , wherein the antibody cross-reacts with IL-36α, IL-36β, or IL-36γ of cynomolgus monkey.
20. The antibody of claim 12 , wherein the antibody binds to each of cynomolgus monkey IL-36α, IL-36β, and IL-36γ with a binding affinity of 3 nM or less.
21. The antibody of claim 20 , wherein the binding affinity to cynomolgus monkey IL-36α, IL-36β, and IL-36γ is measured by equilibrium dissociation constant (KD) to a cy-IL-36α of SEQ ID NO: 5, a cy-IL-36β of SEQ ID NO: 6, and a cy-IL-36γ of SEQ ID NO: 7.
22. An anti-IL-36 antibody comprising:
a light chain variable domain (V L ) comprising the amino acid sequence of SEQ ID NO: 77 and a heavy chain variable domain (V H ) comprising the amino acid sequence of SEQ ID NO: 157;
a light chain variable domain (V L ) comprising the amino acid sequence of SEQ ID NO: 77 and a heavy chain variable domain (V H ) comprising the amino acid sequence of SEQ ID NO: 105;
a light chain variable domain (V L ) comprising the amino acid sequence of SEQ ID NO: 78 and a heavy chain variable domain (V H ) comprising the amino acid sequence of SEQ ID NO: 80; or
a light chain variable domain (V L ) comprising the amino acid sequence of SEQ ID NO: 77 and a heavy chain variable domain (V H ) comprising the amino acid sequence of SEQ ID NO: 79.
23. An anti-IL-36 antibody comprising:
a light chain comprising the amino acid sequence of SEQ ID NO: 169 and a heavy chain comprising the amino acid sequence of a sequence selected from the group consisting of SEQ ID NOs: 191, 192, 193, 203, 204, 205, 233, 234, and 235; or
a light chain comprising the amino acid sequence of SEQ ID NO: 242 and a heavy chain comprising the amino acid sequence of sequence selected from SEQ ID NOs: 170, 171, and 172.