PDGFB: Growth factor that plays an essential role in the regulation of embryonic development, cell proliferation, cell migration, survival and chemotaxis. Potent mitogen for cells of mesenchymal origin. Required for normal proliferation and recruitment of pericytes and vascular smooth muscle cells in the central nervous system, skin, lung, heart and placenta. Required for normal blood vessel development, and for normal development of kidney glomeruli. Plays an important role in wound healing. Signaling is modulated by the formation of heterodimers with PDGFA. A chromosomal aberration involving PDGFB is found in dermatofibrosarcoma protuberans. Translocation t(17;22)(q22;q13) with PDGFB. Belongs to the PDGF/VEGF growth factor family.
Protein type: Motility/polarity/chemotaxis; Oncoprotein; Secreted; Secreted, signal peptide
Chromosomal Location of Human Ortholog: 15 E1|15 37.85 cM
Cellular Component: basolateral plasma membrane; cell soma; cell surface; cytoplasm; dendrite; extracellular matrix; extracellular region; extracellular space; membrane
Molecular Function: chemoattractant activity; collagen binding; growth factor activity; identical protein binding; platelet-derived growth factor binding; platelet-derived growth factor receptor binding; protein heterodimerization activity; protein homodimerization activity; receptor binding; superoxide-generating NADPH oxidase activator activity
Biological Process: actin cytoskeleton organization; activation of protein kinase activity; activation of protein kinase B activity; blood coagulation; blood vessel development; blood vessel morphogenesis; cell projection assembly; embryonic placenta development; eye photoreceptor cell development; glial cell development; heart development; monocyte chemotaxis; multicellular organism development; negative regulation of cell migration; negative regulation of phosphatidylinositol biosynthetic process; negative regulation of protein binding; negative regulation of transcription, DNA-dependent; neuron remodeling; peptidyl-serine phosphorylation; peptidyl-tyrosine phosphorylation; platelet-derived growth factor receptor signaling pathway; positive regulation of blood vessel endothelial cell migration; positive regulation of cell division; positive regulation of cell migration; positive regulation of cell proliferation; positive regulation of chemotaxis; positive regulation of collagen biosynthetic process; positive regulation of cyclin-dependent protein serine/threonine kinase activity; positive regulation of DNA replication; positive regulation of endothelial cell proliferation; positive regulation of fibroblast growth factor receptor signaling pathway; positive regulation of fibroblast proliferation; positive regulation of glomerular filtration; positive regulation of MAP kinase activity; positive regulation of MAPK cascade; positive regulation of mitotic cell cycle, embryonic; positive regulation of mitotic nuclear division; positive regulation of peptidyl-tyrosine phosphorylation; positive regulation of phosphatidylinositol 3-kinase activity; positive regulation of phosphoinositide 3-kinase cascade; positive regulation of protein amino acid autophosphorylation; positive regulation of smooth muscle cell migration; positive regulation of smooth muscle cell proliferation; positive regulation of transcription, DNA-templated; positive regulation of vasoconstriction; protein amino acid phosphorylation; regulation of peptidyl-tyrosine phosphorylation; response to wounding; retina development in camera-type eye; substrate-bound cell migration; synaptogenesis
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