we reported previously that the phorbol ester 12,13-phorbol myristate acetate ( pma ) , added at nanomolar levels after thrombin , immediately accelerated the rate of return of calcium to the base line severalfold ( yoshida , k. , dubyak , g. , and nachmias , v.t . ( 1986 ) febs lett . 206 , 273-278 ) .
C0031586
phorbol ester
C0039654
phorbol