Inhibitory immunoglobulin polypeptides to human PDGF beta recept

Drug – bio-affecting and body treating compositions – Immunoglobulin – antiserum – antibody – or antibody fragment,... – Monoclonal antibody or fragment thereof

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4241331, 4241521, 4241721, 435 71, 435 725, 435 721, 435 696, 435 7021, 4351713, 4353201, 435326, 435378, 435334, 536 2353, 5303873, 53038822, A61K 39395, C07K 1628, C07H 2102, G01N 3353

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058173102

ABSTRACT:
The present invention is directed towards immunoglobulin polypeptides that specifically bind to the extracellular domain of the human type beta PDGF receptor. The binding of the immunoglobulin polypeptides to the receptor inhibits PDGF-induced (or stimulated) receptor activation as indicated by inhibition of receptor phosphorylation and dimerization, and by inhibition of PDGF-mediated mitogenesis, chemotaxis and migration of cells displaying the human PDGF type beta receptor on the cell surface. Nucleic acids encoding the immunoglobulin polypeptides are also included in the invention. The immunoglobulin polypeptides have diagnostic and therapeutic uses.

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