growth was induced by addition of 1 microm ( - ) -norepinephrine for two days , 200 nm of the tumor-promoting phorbol ester 12-o-tetradecanoylphorbol-13-acetate ( tpa ) for two days , or 30 nm t3 for six days .
C0031586
phorbol ester
C0039654
12-o-tetradecanoylphorbol-13-acetate