The changes in specific activities of the adenylate cyclase (AC)and cAMP phosphodiesterase(PDE)in tumor were observed after intraperitoneal injection of Harringtonine or subcutaneous injection of Buthus martensi Karsch(BMK) crude extract and LRH-A.

• 我们观察了腹腔注射三尖杉酯碱对大鼠移植性肝癌(BERH-2)和皮下注射全蝎提取物与LRH.；A对乳腺癌组织腺苷酸环化酶(AC)和环腺苷酸磷酸二酯酶(PDE)比活力的影响。