preincubation of these cells for 20 min with isoproterenol , forskolin , 8-br-camp and 8- ( 4-cl-phenyl ) thio-camp did not lower carbachol-induced increases in cytosolic calcium concentration , whereas the phorbol ester 12-o-tetradecanoylphorbol 13-acetate , the atrionatriuretic factor , isobutylmethylxanthine , and 8-br-cgmp lowered cytosolic calcium .
C0031586
phorbol ester
C0039654
12-o-tetradecanoylphorbol 13-acetate