the tumor-promoting phorbol ester , 12-0-tetradecanoyl-phorbol-13-acetate ( tpa ) , stimulates starch-elicited mouse peritoneal macrophages to undergo dna synthesis in vitro , apparently without the generation of an endogenous macrophage growth factor ( mgf ) .
C0031586
phorbol ester
C0039654
tetradecanoyl-phorbol