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Recombinant human PDGF-AB is a non-glycosylated, disulfide-linked heterodimer, containing one 14.3 kDa alpha-chain and one 12.1 kDa beta-chain, with total molecular weight of 26.4 kDa. Purity is typically greater than 95% and endotoxin level less than 1 EU/ug.
The expected biological activity (ED50) is determined by the dose-dependent proliferation of mouse 3T3 indicator cells and is typically less than 1 ng/mL. The specific activity of this protein is 1x10^6 units/mg.
Reconstitute using sterile water at 0.1 mg/mL and centrifuge prior to opening vial. Gently pipet solution down the sides of the vial. DO NOT VORTEX sample. Store reconstituted material at -20ºC and add 0.1% BSA for additional stability.
Amino acid sequence: Alpha chain MSIEEAVPAV CKTRTVIYEI PRSQVDPTSA NFLIWPPCVE VKRCTGCCNT SSVKCQPSRV HHRSVKVAKV EYVRKKPKLK EVQVRLEEHL ECACATTSLN PDYREEDTGR PRESGKKRKR KRLKPT Beta chain MSLGSLTIAE PAMIAECKTR TEVFEISRRL IDRTNANFLV WPPCVEVQRC SGCCNNRNVQ CRPTQVQLRP VQVRKIGIVR KKPIF.
Platelet-Derived Growth Factor (PDGF) is a mitogenic peptide growth hormone carried in the alpha-granules of platelets and is released when platelets adhere to traumatized tissues. Connective tissue cells near the traumatized region respond by initiating the process of replication. The synthesis of PDGF can be induced by IL-1, IL-6, TNF-alpha, TGF-beta and EGF.
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