12-o-tetradecanoylphorbol-13-acetate ( tpa , 100 ng ml-1 ) , a tumor promoting phorbol ester , is able to induce enhanced levels of the transformation-associated cellular antigen p53 in normal rat 2 cells which had not been previously initiated by a carcinogen .
C0039654
12-o-tetradecanoylphorbol-13-acetate
C0031586
phorbol ester