tokens: In this study we describe that platelet derived growth factor ( PDGF ) , 12-O-tetradecanoyl-phorbol-acetate ( TPA ) , and forskolin induced CREB ( cAMP responsive element binding protein ) Ser-133 phosphorylation with comparable magnitude and kinetics in NIH 3T3 cells .
folded_tokens: in this study we describe that platelet derive growth factor ( pdgf ) , 12-o-tetradecanoyl-phorbol-acetate ( tpa ) , and forskolin induce creb ( camp responsive element binding protein ) ser-133 phosphorylation with comparable magnitude and kinetics in nih 3t3 cell .