staurosporine at a concentration of 1 microm completely inhibited both acinar protein kinase c activity ( ic50 = 5.5 +/- 1.4 nm ) and amylase secretion induced by the phorbol ester 12-o-tetradecanoylphorbol-13-acetate ( tpa ) ( ic50 = 4.1 +/- 0.4 nm ) .
C0031586
phorbol ester
C0039654
12-o-tetradecanoylphorbol-13-acetate