previous studies showed that the tumor-promoting phorbol ester 12-o-tetradecanoylphorbol 13-acetate ( tpa ) and several structurally related tumor-promoting compounds stimulate lymphocytes to produce immune interferon ( ifn-gamma ) and interleukin 2 ( il-2 ) .
C0031586
phorbol ester
C0039654
12-o-tetradecanoylphorbol 13-acetate