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人参皂甙CompoundK对离体大鼠胸主动脉平滑肌的作用研究 被引量:1

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摘要 目的:研究人参皂甙compoundK(CK)对大鼠胸主动脉平滑肌作用。方法:使用血管张力测定仪,制备大鼠离体胸主动脉环,置于浴槽内,从有无内皮、一氧化氮合酶(NOS)抑制剂,a受体三个方面研究人参皂甙CK对离体大鼠胸主动脉平滑肌的作用。结果:浓度为1~45μg/ml的人参皂甙Rb1对大鼠胸主动脉平滑肌无明显舒张作用,其代谢产物人参皂甙CK(浓度为3,6,12,24μg/ml)对大鼠离体胸主动脉平滑肌有明显的舒张作用,与空白对照有显著性差异(P〈0.01),且呈剂量依赖性,浓度为24μg/ml的人参皂甙CK对血管平滑肌的舒张率达到51.1%;去除血管内皮组织或NOS抑制剂L-NNA的存在下,人参皂甙CK的血管舒张作用消失。结论:人参皂甙CK对离体大鼠胸主动脉平滑肌具有内皮依赖性舒张作用。其机制可能与内皮舒张因子有关,其作用机制有待于进一步深入研究。
作者 吴七十三
出处 《中国民族医药杂志》 2009年第3期51-53,共3页 Journal of Medicine and Pharmacy of Chinese Minorities
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参考文献10

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