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阿托伐他汀对老龄大鼠胡须体觉皮层缺血后细胞凋亡的影响

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摘要 目的探讨阿托伐他汀对老龄大鼠永久局灶性胡须体觉皮层缺血后凋亡的影响及机制。方法 45只老龄大鼠依随机数字表法分为假手术组、对照组(等量生理盐水)、阿托伐他汀处理组(20 mg/kg)。对照组及阿托伐他汀组于显微镜下结扎大脑中动脉数根分支构建局灶胡须体觉皮层缺血模型并于造模后0、6、24、48 h分别以生理盐水及阿托伐他汀灌胃。造模后72 h应用苏木精-伊红(HE)染色检测脑组织形态学;流式细胞仪检测各组缺血区周围细胞凋亡及坏死率;免疫组织化学染色检测缺血区周围Caspase-3及血管内皮生长因子受体(VEGFR)-1的表达。结果与对照组相比,阿托伐他汀对老龄大鼠72 h后有抗凋亡作用,其机制可能与减少缺血区周围Caspase-3表达有关。该剂量阿托伐他汀对缺血后72 h的VEGFR-1表达无明显影响。结论阿托伐他汀可能通过减少老龄大鼠胡须体觉皮层缺血后72 h的Caspase-3表达起着较好的抗凋亡作用。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2016年第13期3128-3130,共3页 Chinese Journal of Gerontology
基金 无锡市科技计划指导性项目(SCZ00N1102) 南京医科大学科技发展基金面上项目(2011njmu023)
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