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瑞舒伐他汀对急性心肌梗死大鼠心肌重构的影响 被引量:2

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摘要 目的探讨瑞舒伐他汀对急性心肌梗死(AMI)大鼠心肌重构的作用及机制。方法选择健康成年雄性SD大鼠,通过结扎冠状动脉左前降支建立AMI大鼠模型51只,按照随机数表法分成假手术组、模型组和瑞舒伐他汀组(他汀组),每组17只。他汀组大鼠灌胃给药瑞舒伐他汀钙片10 mg·kg-1·d-1,1次/d,另外两组大鼠给予等量的蒸馏水,连续给药6 w。采用彩色多普勒超声诊断仪检测心脏超声心动图,应用RT-PCR技术检测金属基质蛋白-2、9、10(MMP-2、-9、-10)、Perionstin蛋白及转化生长因子(TGF)-β1的含量。结果模型组和他汀组大鼠的左室舒张末期内径(LVEDD)及左室收缩末期内径(LVESD)均明显高于假手术组,左室射血分数(LVEF)显著低于假手术组(P<0.05);与模型组相比,他汀组大鼠的LVEDD及LVESD明显下降,LVEF显著升高(P<0.05)。与假手术组相比,其余两组大鼠心脏中MMP-2、-9、-10、Perionstin蛋白及TGF-β1 mRNA表达均明显升高(P<0.05);其中他汀组大鼠心脏中MMP-2、-9、-10、Perionstin蛋白及TGF-β1 mRNA表达显著低于模型组(P<0.05)。结论瑞舒伐他汀可以改善AMI大鼠心脏状态,通过调节MMP-2、-9、-10、Perionstin蛋白及TGF-β1 mRNA表达来调控其心肌重构,其作用机制可能与这些因素有关。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2015年第19期5389-5391,共3页 Chinese Journal of Gerontology
基金 新疆医科大学科研创新基金编号(XJC2013180)
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参考文献11

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