The platelet-derived growth factor (PDGF) family consists of four members; PDGF-A, PDGF-B, PDGF-C and PDGF-D (spinal cord-derived growth factor-B or iris-expressed growth factor). PDGF members form disulphide-bonded dimeric isoforms, which are important for growth, survival and function in several types of connective tissue cells. Their biological effects are mediated via two tyrosine kinase receptors, PDGFR-a and PDGFR-b, and PDGF-mediated signaling is critical for development of many organ systems. PDGF-D has a two-domain structure similar to PDGF-C and is secreted as a disulphide-linked homodimer, PDGF-DD. PDGF-D induces cellular transformation and promotes tumor growth by accelerating the proliferation rate of tumor cells and by stimulation of tumor neovascularization. PDGF-D may play a role in the development of brain tumors. The potential oncogenic activity of PDGF-DD may be important for the development and/or progression of prostate cancer. PDGF-D is expressed in fibroblastic adventitial cells, cultured endothelial cells and in a variety of tumor cell lines including those derived from ovarian, renal and lung cancers, as well as from astrocytomas and medulloblastomas. PDGF-D is expressed in the human kidney.
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Protein Aliases: IEGF; Iris expressed growth factor; Iris-expressed growth factor; MSTP036; PDGF D; PDGF-D; PDGFD; PDGFD latent form; PDGFD receptor binding form; PDGFD receptor-binding form; Platelet-derived growth factor D; Platelet-derived growth factor D, latent form; Platelet-derived growth factor D, receptor-binding form; platelet-derived growth factor, D polypeptide; SCDGF B; SCDGF-B; SCDGFB; spinal cord derived growth factor B; Spinal cord-derived growth factor B; spinal cord-derived growth factor-B; spinal-cord derived growth factor-B protein; UNQ1899/PRO4345
Gene Aliases: 1110003I09Rik; IEGF; MSTP036; PDGFD; rSCDGF-B; SCDGF-B; SCDGFB; UNQ1899/PRO4345