PDGFRA is a cell surface receptor tyrosine kinase which binds members of the platelet-derived growth factor family. These growth factors are mitogens for cells of mesenchymal origin. The identity of the growth factor bound to a receptor monomer determines whether the functional receptor is a homodimer or a heterodimer, composed of both platelet-derived growth factor receptor alpha and beta polypeptides. Studies in knockout mice, where homozygosity is lethal, indicate that the alpha form of the platelet-derived growth factor receptor is particularly important for kidney development since mice heterozygous for the receptor exhibit defective kidney phenotypes.
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Protein Aliases: Alpha platelet-derived growth factor receptor; Alpha platelet-derived growth factor receptor precursor (PDGF-R-alpha); Alpha-type platelet-derived growth factor receptor; CD140 antigen-like family member A; CD140a; CD140a antigen; MGC74795; OTTHUMP00000218656; PDGF A-chain; PDGF alpha chain; PDGF Receptor alpha; PDGF-R-alpha; PDGFR-2; pdgfr-a; PDGFR-alpha; PDGFRA/BCR fusion; Platelet-derived growth factor alpha receptor; Platelet-derived growth factor receptor 2; Platelet-derived growth factor receptor alpha; platelet-derived growth factor receptor, alpha polypeptide; rearranged-in-hypereosinophilia-platelet derived growth factor receptor alpha fusion protein
Gene Aliases: AI115593; APDGFR; CD140A; GAS9; PDGFACE; PDGFR-2; PDGFR2; PDGFRA; RHEPDGFRA
Molecular Function: transmembrane signal receptor