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姜黄素对全脑缺血再灌注大鼠海马高迁移率族蛋白1表达的影响 被引量:5

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摘要 目的:观察姜黄素对全脑缺血再灌注鼠海马高迁移率族蛋白1(HMGB1)表达的影响。方法:雄性SD大鼠96只,随机分成假手术组(SH组)、缺血再灌注组(IR组)、姜黄素组(Cur组)及溶剂对照组(SC组)。建立四动脉阻塞全脑缺血模型,在再灌注后1、3、5、7d处死大鼠,尼氏染色观察海马神经元形态与结构变化,免疫组化观察海马组织HMGB1表达情况。结果:再灌注1d起,IR组和SC组海马CA1区锥体细胞膜皱缩,胞浆染色变浅,尼氏小体模糊、消散;Cur组损伤程度明显轻于IR组和SC组。缺血各组再灌注1dHMGB1表达均明显低于SH组(P<0.05),IR组及SC组再灌注3、5、7dHMGB1表达明显高于SH组(P<0.05),而Cur组明显低于IR组及SC组(P<0.05)。结论:SD大鼠全脑IR后1d海马HMGB1表达明显减少,后升高并持续高表达至再灌注7d。姜黄素脑保护作用可能与抑制HMGB1的合成与释放有关。
出处 《实用医学杂志》 CAS 北大核心 2011年第2期202-204,共3页 The Journal of Practical Medicine
基金 浙江省自然科学基金资助项目(编号:Y2100231)
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同被引文献49

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