incubation of human promyelocytic leukemia ( hl-60 ) cells with 12-o-tetradecanoyl-phorbol-13-acetate ( tpa ) , a protein kinase c-activating phorbol ester , caused a marked increase in c-fos mrna in a dose-dependent manner .
C0039654
12-o-tetradecanoyl-phorbol-13-acetate
C0031586
phorbol ester