incubation of cells with the phorbol ester 12-o-tetradecanoylphorbol-13-acetate ( tpa ) yielded a 7- to 15-fold decrease in the enzymatic activity of c kinase assayed in vitro , but little or no effect on ca2+ stimulation of cellular levels of either mrna .
C0031586
phorbol ester
C0039654
12-o-tetradecanoylphorbol-13-acetate