in a7r5 vascular smooth muscle cells , the phorbol ester 12-o-tetradecanoyl phorbol-13-acetate ( tpa ) caused a marked increase in the rate of unidirectional ca2+ influx and a 63 +/- 9 % increase in net 30-min 45ca2+ uptake .
C0031586
phorbol ester
C0039654
12-o-tetradecanoyl