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莲子提取物对大鼠急性肾缺血再灌注损伤的影响研究 被引量:1

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摘要 目的:研究莲子提取物对大鼠急性肾缺血再灌注损伤的影响,并初步探讨其作用机制,为将来应用于临床提供理论依据。方法:选用健康雄性SD大鼠30只随机分为三组:假手术组(Sham组)、缺血再灌注损伤组(RIRI组)、莲子提取物给药组(LE组)。再灌注24 h后,检测大鼠血清中丙二醛(MDA)、超氧化物歧化酶(SOD)、血清肌酐(Scr)和尿素氮(BUN),肾组织中MDA含量和谷胱甘肽过氧化物酶(GSH-Px)的活性,并采用肉眼和光镜下观察肾脏组织病理学切片以及肾小管计分等病理变化。结果:与肾脏缺血再灌注组相比,莲子提取物给药组大鼠血清中MDA、Scr、BUN含量均显著降低(P<0.01),血清中SOD含量升高(P<0.01)、肾小管计分明显降低(P<0.01),肾组织中MDA含量降低(P<0.01)、GSHPx活性增强(P<0.01)。结论:莲子提取物对急性肾缺血再灌注损伤具有保护作用,其作用机制可能与抗自由基损伤和减轻脂质过氧化、抗血栓形成有关。
作者 楼小慧
出处 《中国中西医结合肾病杂志》 2014年第9期796-798,共3页 Chinese Journal of Integrated Traditional and Western Nephrology
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