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帕金森病模型大鼠纹状体内氧化应激与细胞凋亡蛋白的表达
被引:9
作者:

王涛
论文数: 0 引用数: 0
h-index: 0
机构: 中国医学科学院基础医学研究所药理室

纪超
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机构: 中国医学科学院基础医学研究所药理室

黎青
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机构: 中国医学科学院基础医学研究所药理室

张清俊
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h-index: 0
机构: 中国医学科学院基础医学研究所药理室

左萍萍
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机构: 中国医学科学院基础医学研究所药理室
机构:
[1] 中国医学科学院基础医学研究所药理室
来源:
关键词:
帕金森病(PD);
6-羟基多巴胺;
纹状体;
氧化应激;
凋亡;
Bax;
Bcl-2;
D O I:
暂无
中图分类号:
R742.5 [震颤麻痹综合征];
学科分类号:
1002 ;
摘要:
目的观察帕金森病(PD)模型大鼠纹状体内的氧化应激指标及细胞凋亡相关蛋白的表达。方法大鼠右侧纹状体内注入6-羟基多巴胺(6-OHDA)制备帕金森病模型,4周后观察行为学改变,5周后检测正常对照、假手术和模型组大鼠纹状体内超氧化物歧化酶(SOD)、谷胱苷肽过氧化物酶(GSH-Px)活性、还原型谷胱甘肽(GSH)及丙二醛(MDA)含量变化,Western方法检测Bax和Bcl-2蛋白表达。结果在成功筛选的10只帕金森病模型大鼠右侧纹状体中,与自身对侧、正常对照及假手术组同侧相比,其SOD、GSH-Px活性,GSH含量均下降,而MDA含量升高(均P<0.05);与正常对照及假手术组同侧相比,其Bax蛋白表达增高,而Bcl-2蛋白表达下降。结论氧化应激在帕金森病发病机制中起到重要作用,而Bax和Bcl-2蛋白参与了氧化应激诱导细胞凋亡的调控过程。
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页码:431 / 433
页数:3
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