the addition of the phorbol ester 12-0-tetradecanoyl-phorbol-13-acetate ( tpa ; 1.8 x 10 ( -8 ) -1.6 x 10 ( -7 ) m ) into the perfusion fluid during perfusion of rat heart at constant flow caused a dose-dependent , sustained increase in perfusion pressure .
C0031586
phorbol ester
C0039654
phorbol