incubation of ng108-15 hybrid cells with the phorbol ester 12-o-tetradecanoylphorbol-13-acetate ( tpa ) abolished up to 45 % of opioid inhibition of cyclic amp accumulation in intact cells , while basal accumulation and prostaglandin e1-stimulated cyclic amp accumulation were unaltered .
C0031586
phorbol ester
C0039654
12-o-tetradecanoylphorbol-13-acetate