to determine if insulin stimulation results in the activation of pk-c , we have examined the effects of insulin and the tumor promoting phorbol ester , 12-0-tetradecanoyl-phorbol-13-acetate ( tpa ) , on the phosphorylation of a known pk-c substrate in vivo , the cellular proto-oncogene product , pp60c-src .
C0031586
phorbol ester
C0039654
tetradecanoyl-phorbol