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白藜芦醇对脂多糖激活小胶质细胞cdk5表达的影响 被引量:1

Effect of resveratrol on expression of cdk5 in activation effect of LPS on N9 microglia cells
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摘要 目的:研究白藜芦醇对脂多糖(LPS)激活的N9小胶质细胞中细胞周期依赖性蛋白激酶5(cdk5)表达的影响,以探讨白藜芦醇的神经保护机制。方法:不同剂量白藜芦醇与LPS共同作用于N9小胶质细胞,四氮唑盐复合物(XTT)比色法检测细胞存活率变化;倒置相差显微镜下观察细胞形态变化;Griess法测定细胞培养液中一氧化氮(NO)含量;免疫荧光技术检测细胞cdk5蛋白表达。结果:白藜芦醇中高剂量组均能使LPS激活的N9小胶质细胞的活化形状恢复至静息态;白藜芦醇中高剂量组均能使NO的产生减少,其中高浓度组(20μmol/L)更加明显(P<0.01);白藜芦醇中高剂量组均能使cdk5表达水平下降。结论:白藜芦醇可能通过对cdk5表达的调节而发挥神经保护作用。
出处 《中国应用生理学杂志》 CAS CSCD 2012年第4期349-351,386,共3页 Chinese Journal of Applied Physiology
基金 河南省教育厅课题(2011B310010)
关键词 白藜芦醇 小胶质细胞 脂多糖 CDK5 resveratrol microglia LPS cdk5
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