人参皂甙对气虚型大鼠血管内皮损伤相关基因谱的影响

Natural Product Research and Development(2007)

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Abstract
用高L-蛋氨酸复制SD大鼠血管内皮损伤,并附以负重游泳法制造气虚实验模型。应用RT-PCR技术和NCB I提供的SAGE(serial analysis of gene expression)数据库及在线工具,分析内皮损伤相关的炎症、氧化应激基因表达谱的变化,以及人参皂甙对基因表达谱的影响。结果显示,与模型组相比,人参皂甙组炎症相关COX-1(P<0.001)、COX-2(P<0.001)、氧化应激相关iNOS(P<0.001)、SOD基因表达(P<0.05)及血管舒缩相关eNOS(P<0.05)、ECE(P<0.001)的基因表达降低;PCS的基因表达变化无统计学意义。人参皂甙能够改善气虚型大鼠血管内皮损伤病变时基因表达谱的异常,从而起到保护血管内皮免受损伤的作用。探讨人参皂甙对气虚型大鼠血管内皮损伤相关的炎症、氧化应激等基因表达谱的影响。
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Key words
inflammation,genes expression profile,blood vessel endothelium injure,oxidative stress,ginsenoside
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