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Generated: September 25, 2017
| Title: | Biologically active B-chain homodimers |
| Abstract: | Dimeric proteins having substantially the same biological activity as PDGF are disclosed. More specifically, the protein may have two substantially identical polypeptide chains, each of the chains being substantially homologous to the B-chain of PDGF. Alternatively, the protein may have two polypeptide chains that are substantially identical to the B-chain of PDGF. In addition, proteins comprising polypeptides that are variants or derivatives of the B-chain of PDGF are also disclosed. Therapeutic compositions containing these proteins and methods for enhancing the wound-healing process in warm- blooded animals are also disclosed. |
| Inventor(s): | Murray; Mark J. (Seattle, WA), Kelly; James D. (Seattle, WA) |
| Assignee: | ZymoGenetics, Inc. (Seattle, WA) |
| Filing Date: | Mar 18, 1992 |
| Application Number: | 07/852,905 |
| Claims: | 1. A therapeutic composition comprising a protein homodimer of human PDGF B-chain polypeptides, said protein being essentially free of the A-chain of PDGF, in combination with factor XIII and a physiologically acceptable carrier or diluent. 2. The therapeutic composition of claim 1, further comprising fibronectin. 3. The therapeutic composition of claim 1, further comprising albumin. 4. The therapeutic composition of claim 1, further comprising a protease inhibitor. 5. The therapeutic composition of claim 1, further comprising fibronectin and a protease inhibitor. 6. The therapeutic composition of claim 5, further comprising albumin. 7. The therapeutic composition of claim 1, further comprising a protein selected from the group consisting of TGF.alpha., TGF.beta., EGF, FGF, platelet factor 4, insulin, somatomedin and angiogenesis factor. |
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