treatment of intact human platelets with the tumour-promoting phorbol ester , phorbol 12-myristate 13-acetate ( pma ) , specifically inhibited pgd2-induced cyclic amp formation without affecting the regulation of cyclic amp metabolism by pgi2 , pge1 , 6-keto-pge1 , adenosine or adrenaline .
C0031586
phorbol ester
C0039654
phorbol