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刺五加皂甙对PC12细胞缺氧诱导因子-1α表达的影响

Shandong Medical Journal(2009)

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Abstract
目的观察刺五加皂甙(ASS)对PC12细胞缺氧诱导因子-1α(HIF-1α)表达的影响,探讨其抗缺血缺氧脑损伤作用的机制。方法将PC12细胞分为三组,对照组在无血清的DMEM培养基中培养;模型组加入终浓度为125μmol/L的CoCl2共同作用4 h;ASS组先用终质量浓度为50μg/ml的ASS预处理24 h,再加入终浓度为125μmol/L的CoCl2共同作用4 h。采用MTT比色分析法测定各组PC12细胞活性,Western Blot法检测HIF-1α表达的变化。结果对照组、模型组、ASS组细胞活性OD值分别为0.538±0.027、0.320±0.045、0.615±0.039;HIF-1α表达灰度比值分别为0.085±0.033、0.782±0.050、0.976±0.070。各组间相比,P均<0.01。结论ASS对缺血缺氧性脑损伤有保护作用,其机制与诱导HIF-1α表达有关。
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acanthopannx senticosus,cerebrovascular diseases,acanthopannx senticosus saponins
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