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胰岛素样生长因子-1对大鼠缺血后caspase-3和caspase-9 mRNA及蛋白表达的影响 被引量:4

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摘要 目的探讨胰岛素样生长因子-1(IGF-1)对大鼠局灶性脑缺血再灌注(I/R)后caspase-3和-9 mRNA及蛋白表达的影响。方法30只Wistar雄性大鼠随机分为假手术组、缺血组及IGF-1治疗组。应用线栓法制备大鼠大脑中动脉缺血(MCAO)模型,应用免疫组化方法检测caspase-3及-9的蛋白表达,应用RT-PCR方法检测caspase-3及-9 mRNA的表达。结果IGF-1治疗组与缺血组相比,caspase-3和-9蛋白及mRNA表达显著减少(P<0.01)。结论IGF-1能显著减少脑I/R后caspase-3和-9蛋白及mRNA表达,对脑I/R损伤发挥保护作用。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2008年第10期952-954,共3页 Chinese Journal of Gerontology
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参考文献9

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