tumor-promoting phorbol esters including 12-o-tetradecanoylphorbol-13-acetate ( tpa ) , specific inhibitors for erythroid differentiation in mouse friend cells , induce a newly identified nuclear protein with a molecular weight of 54,000 ( p54 ) in friend cells .
C0031586
phorbol esters
C0039654
12-o-tetradecanoylphorbol-13-acetate