鹿红颗粒对心力衰竭大鼠ACE2-Ang(1-7)轴的影响

被引:12
作者
徐基杰
瞿惠燕
戎靖枫
杨雪军
陈铁军
尹琴
周华
机构
[1] 上海中医药大学附属曙光医院心内科
关键词
鹿红颗粒; 心力衰竭; 血管紧张素转换酶2; 血管紧张素(1-7);
D O I
10.16306/j.1008-861x.2015.06.012
中图分类号
R285.5 [中药实验药理];
学科分类号
100806 [中药药理学];
摘要
目的:评价鹿红颗粒对心肌梗死后心力衰竭(CHF)模型大鼠血浆ACE-AngⅡ轴及ACE2-Ang(1-7)轴的影响。方法:40只SD大鼠随机分为模型组、假手术组、雅施达组及鹿红颗粒组,以结扎左冠状动脉的方法制备心肌梗死后心力衰竭模型。药物干预8周后记录各组大鼠心脏重量,计算心脏重量与体质量的比值(HW/BW)以及左心室重量指数(LVMI);HE染色观察各组大鼠心肌病理改变;酶免疫分析法检测血浆ACE、ACE2、AngⅡ及Ang(1-7)水平。结果:与模型组相比,鹿红颗粒组HW/BW及LVMI明显降低(P<0.01),心肌病理改变显著减轻,血浆ACE水平未见明显下降(P>0.05),但ACE2和Ang(1-7)水平明显升高(P<0.01),AngⅡ水平显著降低(P<0.01);与雅施达组比较,鹿红颗粒组ACE2和Ang(1-7)水平明显升高(P<0.01),AngⅡ水平未见明显差异(P>0.05),Ang(1-7)/AngⅡ显著升高(P<0.01)。结论:鹿红颗粒能显著提高CHF大鼠ACE2-Ang(1-7)轴的水平、降低AngⅡ水平,从而抑制心室重构、减轻心肌损伤。
引用
收藏
页码:41 / 44+49 +49
页数:5
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