Adenylate cyclase activity was also stable at .±.8(pre CPB)and . ± 7 pmol cAMP·mg pr - /min(post CPB).
Adenylate cyclase activity was also stable at .±.8(pre CPB)and . ± 7 pmol cAMP·mg pr - /min(post CPB).
腺苷酸环化酶活性亦无明显变化，．±．8pmol环磷酸腺苷（cAMP）·mg蛋白－／min（CPB前）和． ±．7pmolcAMP·mg蛋白－／min（CPB后）。