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急性心肌缺血大鼠心肌组织中PAS系统的表达变化

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摘要 目的探讨急性心肌缺血大鼠心肌组织中肾素-血管紧张素系统(RAS)的表达变化。方法通过结扎大鼠冠状动脉左前降支复制急性心肌缺血模型。采用RT-PCR方法测定心肌组织中血管紧张素原(AGT)、血管紧张素转换酶(ACE)、血管紧张素1型受体(AT1)/血管紧张素2型受体(AT2)及水通道蛋白4(AQP4)mRNA的表达。结果与假手术组相比,急性心肌缺血组大鼠心肌组织中AGT mRNA的变化不明显,ACE及AT1 mRNA的表达明显降低(P<0.05),AT2及AQP4 mRNA的表达明显升高(P<0.05)。结论局部RAS及AQP4参与了急性心肌缺血的过程。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2010年第2期196-198,共3页 Chinese Journal of Gerontology
基金 吉林省科学技术厅资助项目(200905182)
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