the mitogen-induced activation of na+-h+ exchange was investigated in two cultured human fibroblast strains ( hswp and wi-38 cells ) that , based on previous studies , differed in their response to the tumor-promoting phorbol ester 12-o-tetradecanoylphorbol-13-acetate ( tpa ) ( l .
C0031586
phorbol ester
C0039654
12-o-tetradecanoylphorbol-13-acetate