Antibodies that bind transforming growth factor beta (TGF beta) and methods of use thereof for treatment
The present disclosure relates, in general, to materials and methods for antibodies specific for transforming growth factor beta (TGFβ), including TGFβ1, TGFβ2 and TGFβ3, and uses of these antibodies in the treatment of subjects having cancer, an eye disease, condition or disorder, fibrosis, including ophthalmic fibrosis or fibrosis of the eye, and other conditions or disorders related to TGFβ expression.
1. An antibody that binds transforming growth factor beta (TGFβ)1, TGFβ2 and TGFβ3 comprising:
(a) a heavy chain CDR1 amino acid sequence set forth in SEQ ID NO: 19;
(b) a heavy chain CDR2 amino acid sequence set forth in SEQ ID NO: 20;
(c) a heavy chain CDR3 amino acid sequence set forth in SEQ ID NO: 21;
(d) a light chain CDR1 amino acid sequence set forth in SEQ ID NO: 22;
(e) a light chain CDR2 amino acid sequence set forth in SEQ ID NO: 23; and
(f) a light chain CDR3 amino acid sequence set forth in SEQ ID NO: 24,
wherein the antibody is an IgG2 antibody.
2. The antibody of claim 1 , that comprises an amino acid sequence at least 85% identical to a heavy chain variable region amino acid sequence set forth in SEQ ID NO: 6 and an amino acid sequence at least 85% identical to a light chain variable region amino acid sequence set forth in SEQ ID NO: 8.
3. The antibody of claim 1 , in which one or more heavy chain framework amino acids have been replaced with corresponding amino acid(s) from another human antibody.
4. The antibody of claim 1 , further comprising a heavy chain constant region, wherein the heavy chain constant region is a modified or unmodified IgG, IgM, IgA, IgD, IgE, a fragment thereof, or any combinations thereof.
5. The antibody of claim 1 , in which one or more light chain framework amino acids have been replaced with corresponding amino acid(s) from another human antibody.
6. The antibody of claim 1 , further comprising a human light chain constant region attached to the light chain variable region.
7. An antibody of claim 1 , wherein the antibody binds to TGFβ1 and TGFβ2 with greater affinity than TGFβ3 and/or wherein the antibody neutralizes activity of TGFβ1 and TGFβ2 to a greater extent than TGFβ3.
8. A sterile pharmaceutical composition comprising the antibody of claim 1 and a pharmaceutically acceptable carrier.
9. An antibody that binds transforming growth factor beta (TGFβ)1, TGFβ 2 and TGFβ3 comprising a light chain variable region and a heavy chain variable region, wherein
(a) the light chain variable region comprises at least a CDR1 amino acid sequence set out in SEQ ID NO: 22, a CDR2 amino acid sequence set out in SEQ ID NO: 23, and a CDR3 amino acid sequence set out in SEQ ID NO: 24; and wherein
(b) the heavy chain variable region comprises at least a CDR1 amino acid sequence set out in SEQ ID NO: 19, a CDR2 amino acid sequence set out in SEQ ID NO: 20, and a CDR3 amino acid sequence set out in SEQ ID NO: 21,
wherein the antibody is an IgG2 antibody.
10. An antibody that binds transforming growth factor beta (TGFβ)1, TGFβ2 and TGFβ3 comprising:
(a) a heavy chain CDR1 amino acid sequence set forth in SEQ ID NO: 19;
(b) a heavy chain CDR2 amino acid sequence set forth in SEQ ID NO: 20;
(c) a heavy chain CDR3 amino acid sequence set forth in SEQ ID NO: 21;
(d) a light chain CDR1 amino acid sequence set forth in SEQ ID NO: 22;
(e) a light chain CDR2 amino acid sequence set forth in SEQ ID NO: 23; and
(f) a light chain CDR3 amino acid sequence set forth in SEQ ID NO: 24,
wherein the antibody is a Fab fragment.
11. An antibody that binds transforming growth factor beta (TGFβ)1, TGFβ2 and TGFβ3 comprising:
(a) a heavy chain CDR1 amino acid sequence set forth in SEQ ID NO: 19;
(b) a heavy chain CDR2 amino acid sequence set forth in SEQ ID NO: 20;
(c) a heavy chain CDR3 amino acid sequence set forth in SEQ ID NO: 21;
(d) a light chain CDR1 amino acid sequence set forth in SEQ ID NO: 22;
(e) a light chain CDR2 amino acid sequence set forth in SEQ ID NO: 23; and
(f) a light chain CDR3 amino acid sequence set forth in SEQ ID NO: 24,
wherein the antibody is an scFv.
12. A method for treating a disease, condition or disorder associated with TGFβ expression comprising the step of administering to a subject in need thereof a therapeutically effective amount of an antibody of claim 1 or a pharmaceutical composition of claim 8 .
13. The method of claim 12 , wherein the disease, condition or disorder is selected from the group consisting of cancer, eye diseases, conditions or disorders, ophthalmic fibroses or fibrosis of the eye, pulmonary fibrosis, idiopathic pulmonary fibrosis, peribronchiolar fibrosis, interstitial lung disease, chronic obstructive pulmonary disease (COPD), small airway disease, obstructive bronchiolitis, emphysema, adult or acute respiratory distress syndrome (ARDS), acute lung injury (ALI); pulmonary fibrosis due to infectious or toxic agents; kidney fibrosis, glomerulonephritis (GN) of all etiologies, mesangial proliferative GN, immune GN, and crescentic GN, glomerulosclerosis, tubulointerstitial injury, renal interstitial fibrosis, renal fibrosis and all causes of renal interstitial fibrosis, renal fibrosis resulting from complications of drug exposure, cyclosporin treatment of transplant recipients, HIV-associated nephropathy, transplant necropathy, diabetic kidney disease, diabetic nephropathy, nephrogenic systemic fibrosis, diabetes, idiopathic retroperitoneal fibrosis, scleroderma, liver fibrosis, hepatic diseases associated with excessive scarring and progressive sclerosis, liver cirrhosis, disorders of the biliary tree, hepatic dysfunction attributable to infections, fibrocystic diseases, cardiovascular diseases, congestive heart failure, dilated cardiomyopathy; myocarditis; vascular stenosis cardiac fibrosis, post-infarction cardiac fibrosis, post myocardial infarction, left ventricular hypertrophy, veno-occlusive disease, restenosis, post-angioplasty restenosis, arteriovenous graft failure, atherosclerosis, hypertension, hypertensive heart disease, cardiac hypertrophy, hypertrophic cardiomyopathy, heart failure, disease of the aorta, progressive systemic sclerosis, polymyositis, systemic lupus erythematosus, dermatomyositis, fascists, Raynaud's syndrome, rheumatoid arthritis, Peyronie's disease, systemic sclerosis, post-spinal cord injury, osteoporosis, Camurati-Engelmann disease, Crohn's disease, scarring, Marfan syndrome, premature ovarian failure, Alzheimer's Disease and Parkinson's Disease, fibrosis due to surgical incisions or mechanical trauma, fibrosis associated with ocular surgery; and excessive or hypertrophic scar or keloid formation in the dermis occurring during wound healing resulting from trauma or surgical wounds.
14. A method for treating cancer comprising administering to a subject in need thereof a therapeutically effective amount of an antibody of claim 1 or a pharmaceutical composition of claim 8 .
15. The method of claim 14 , wherein the antibody or composition
(a) increases the number of natural killer (NK) cells in a tumor and/or improves NK cell cytolytic activity;
(b) decreases the number of regulatory T cells in a tumor and/or inhibits regulatory T cell function;
(c) increases the number of cytotoxic T cells (CTLs) in a tumor and/or enhances CTL function;
(d) decreases the number of myeloid-derived suppressor cells (MDSC) in a tumor and/or inhibits MDSC function; and/or
(e) decreases the number of dendritic cells (DC) in a tumor and/or inhibits the tolerogenic function of dendritic cells.
16. The method of claim 14 , wherein the cancer is selected from the group consisting of lung cancer, non-small cell lung carcinoma, prostate cancer, breast cancer, hepatocellular cancer, esophageal cancer, colorectal cancer, pancreatic cancer, bladder cancer, kidney cancer, ovarian cancer, stomach cancer, fibrotic cancer, glioma and melanoma.
17. A method for decreasing the number of regulatory T cells in a tumor comprising administering to a subject in need thereof a therapeutically effective amount of an antibody of claim 1 or a pharmaceutical composition of claim 8 .
18. A method for enhancing CTL function in a subject in need thereof comprising administering to the subject a therapeutically effective amount of an antibody of claim 1 or a pharmaceutical composition of claim 8 .
19. A method for modulating NK cell activity in a subject in need thereof comprising administering to the subject a therapeutically effective amount of an antibody of claim 1 or a pharmaceutical composition of claim 8 .