hTGF-b1
Transforming Growth Factor-b1 Lyophilized. Lyophilized from a sterile-filtered solution of 50 µg BSA/µg TGF-b1, 35% acetonitrile, 0.1% TFA. AVOID FREEZE/THAW CYCLES. Native transforming growth factor-b1 from human platelets. Promotes apoptosis in resting human B lymphocytes, glioma cells, and trigeminal neurinomal cells. Biological activity: ED50 = 40-10 pg/ml as measured by the inhibition of IL-4-dependant proliferation of mouse HT-2 cells using resazurin dye as an indicator of cell proliferation.. Purity: ≥97% by SDS-PAGE. Contaminants: Endotoxin: ≤1 EU/ug of TGF-b1. Prepared from blood that has been shown by certified tests to be negative for HBsAg and for antibodies to HIV and HCV. Merck Index: 14, 9572
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