OALib Journal期刊
ISSN: 2333-9721
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卡托普利和洛沙坦对大鼠肾脏水通道蛋白-2mrna和尿液水通道蛋白-2的影响
, PP. 391-394
Keywords: 水通道蛋白2,血管加压素2型受体,卡托普利,洛沙坦
Abstract:
目的探讨卡托普利和洛沙坦对正常大鼠肾脏水通道蛋白-2(aqp2)mrna表达的影响及尿液水通道蛋白-2浓度的改变。方法30只健康大鼠随机分成3组:正常对照组,卡托普利组,洛沙坦组。经用药后观察血na+、尿量以及尿渗量水平,用rt-pcr半定量检测肾内髓质aqp2及血管加压素2型(v2)受体mrna水平,用酶联免疫吸附测定法检测尿液aqp2浓度。结果卡托普利组与洛沙坦组大鼠尿量均较正常组显著增多,卡托普利组尿渗量低于洛沙坦组和正常组,但尿液中aqp2浓度却高于洛沙坦组和正常组。rt-pcr半定量显示卡托普利组aqp2mrna较正常组显著降低(p<0.05),v2受体mrna没有显著差别。结论卡托普利可以抑制正常大鼠肾内髓质aqp2mrna的表达,同时促进肾内aqp2经尿液排出。
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