Most commonly-used phorbol ester. Extremely potent mouse skin tumor promoter. Activates protein kinase C in vivo and in vitro, even atnM concentrations. Promotes the expression of inducible NOS in cultured hepatocytes. Activates Ca2+-ATPase and potentiates forskolin-induced cAMP formation. Inhibits apoptosis induced by the Fas antigen, but induces apoptosis in HL-60 promyelocytic leukemia cells. Its binding is reversible.Formula:C36H56O8Solubility:DMSO (10mg/ml)Molecular Weight:616.8Storage and Stability:Lyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile buffer or dH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.