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Antioxidant effects of gypenosides on focal brain ischemia-reperfusion injury in rats
Author(s): 
Pages: 7-9
Year: Issue:  1
Journal: ACTA ACADEMIAE MEDICINAE SHANDONG

Keyword:  脑缺血再灌注损伤绞股蓝总皂苷大脑中动脉阻断法丙二醛超氧化物歧化酶大鼠近交系;
Abstract: 目的:研究绞股蓝总皂苷在急性脑缺血再灌注损伤中的抗氧化作用.方法:采用大脑中动脉阻断法(MCAO)造成大鼠局灶性脑缺血再灌注损伤模型,测定脑亚细胞器内丙二醛(MDA)和超氧化物歧化酶(SOD)含量的变化,用透射电镜观察脑组织超微结构.结果:大鼠局灶性脑缺血再灌注后,脑亚细胞器内MDA含量显著升高,SOD含量显著降低.绞股蓝总皂苷能显著降低脑亚细胞器内MDA含量,升高SOD含量,改善脑缺血再灌注损伤导致的脑组织超微结构改变.结论:绞股蓝总皂苷可能通过抗脂质过氧化提高体内抗氧化酶活性,发挥保护脑组织,减轻缺血再灌注损伤的作用.
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