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饮酒对大鼠离体主动脉的影响

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摘要 目的研究乙酰胆碱(Ach)和吡那地尔(Pina)对饮酒大鼠离体主动脉的舒张作用改变。方法建立饮酒大鼠模型,大鼠主动脉环张力舒缩状态采用PowerLab系统记录,观察空白组和饮酒组大鼠离体主动脉对舒张药物Ach和Pina的反应,并比较二者之间的差异。结果乙酰胆碱和吡那地尔均可浓度依赖性的引起苯肾上腺素(PE)和氯化钾(KCl)预收缩的大鼠主动脉发生舒张,且Ach和Pina对饮酒大鼠主动脉的舒张率与空白组大鼠主动脉的舒张率相比,明显降低(P<0.05或P<0.01)。结论乙酰胆碱和吡那地尔均可引起PE和KCl预收缩的空白组和饮酒组大鼠的主动脉发生舒张,但二者的舒张反应存在差异性,空白组的舒张效果整体强于饮酒组。
机构地区 山西医科大学
出处 《中西医结合心脑血管病杂志》 2012年第4期463-464,共2页 Chinese Journal of Integrative Medicine on Cardio-Cerebrovascular Disease
基金 山西省攻关项目(20090311057-5) 山西医科大学学生创新基金
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