incubation of cultured ovine pituitary cells with the tumor-promoting phorbol ester , 12-o-tetradecanoylphorbol 13-acetate ( tpa ) ( 0.1-100 nm ) , caused a dose-related stimulation of both growth hormone ( ed50 approximately 4 nm ) and prolactin ( ed50 approximately 14 nm ) secretion .
C0031586
phorbol
C0039654
12-o-tetradecanoylphorbol 13-acetate