芪苈强心胶囊对大鼠心肌梗死后心肌重构及心功能的影响

被引:41
作者
李娅
宋优
程翔
廖玉华
机构
[1] 华中科技大学同济医学院心血管病研究所协和医院心内科,心血管免疫实验室
关键词
心肌梗死; 心肌重构; 心功能; 金属基质蛋白酶; 肌球蛋白重链mRNA; 芪苈强心胶囊;
D O I
10.16563/j.cnki.1671-6272.2007.04.001
中图分类号
R285.5 [中药实验药理];
学科分类号
1008 ;
摘要
目的探讨芪苈强心胶囊对心肌梗死后大鼠心肌重构及心功能的影响。方法结扎大鼠左前降支,建立AMI模型,存活者随机分为梗死对照组(MI组)和芪苈强心胶囊治疗组(MI-D组),另设假手术组(Sham组)。MI-D组术后4周每天予芪苈强心胶囊生药4g/kg(生理盐水溶为1.5 ml溶液)治疗,MI组和Sham组仅以等体积生理盐水灌胃,4周后对相关指标进行检测。结果术后4周大鼠心脏超声及血流动力学均显示左室功能减低;基质金属蛋白酶2,9活性升高;α-MHC/β- MHC mRNA的比值下降。经芪苈强心胶囊治疗后左室功能有明显改善;基质金属蛋白酶2,9活性降低,α-MHC/β-MHC mRNA的比值升高。结论芪苈强心胶囊治疗AMI可以改善心肌重构和心功能。芪苈强心胶囊治疗有效改善心功能的作用机制至少部分与其抑制心肌重构有关。
引用
收藏
页码:201 / 204
页数:4
相关论文
共 5 条
[1]  
Mechanisms of the therapeutic effect of astragalus membranaceus on sodium and water retention in experimental heart failure[J]. 马骥,彭艾,林善锬.Chinese Medical Journal. 1998(01)
[2]   Regulation of matrix metalloproteinases by cytokines and reactive oxygen/nitrogen species in the myocardium [J].
Siwik, DA ;
Colucci, WS .
HEART FAILURE REVIEWS, 2004, 9 (01) :43-51
[3]  
Activation of Matrix Metalloproteinases Precedes Left Ventricular Remodeling in Hypertensive Heart Failure Rats: Its Inhibition as a Primary Effect of Angiotensin-Converting Enzyme Inhibitor[J] . Yasushi Sakata,Kazuhiro Yamamoto,Toshiaki Mano,Nagahiro Nishikawa,Junichi Yoshida,Masatsugu Hori,Takeshi Miwa,Tohru Masuyama.Circulation: Journal of the American Heart Association . 2004 (17)
[4]   Matrix metalloproteinase expression in cardiac myocytes following myocardial infarction in the rabbit [J].
Romanic, AM ;
Burns-Kurtis, CL ;
Gout, B ;
Berrebi-Bertrand, I ;
Ohlstein, EH .
LIFE SCIENCES, 2001, 68 (07) :799-814
[5]  
Ventricular Remodeling After Myocardial Infarction: Experimental Observations and Clinical Implications[J] . Marc A. Pfeffer,Eugene Braunwald.Circulation . 1990 (4)