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Comparison of cardioprotective effects using ramipril and DanShen for the treatment of acute myocardial infarction in rats.

机译:雷米普利和丹参治疗大鼠急性心肌梗死的心脏保护作用比较。

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In the present study, we compared cardioprotective effects of DanShen (an extract from Salvia miltiorrhiza) and the angiotensin-converting enzyme inhibitor, ramipril, in rats. With both treatment regimens, DanShen- and ramipril similar effects were observed: (1) a higher survival rate, (2) a significant reduction of infarct size, (3) significantly lower ratios of heart weight to the body weight as well as the left and right ventricular weights to body weight. DanShen showed some unique effects in the following aspects: (1) higher activities of antioxidant defense enzymes such as superoxide dismutase (SOD), catalase (CAT), glutatione perioxidase (GSH-Px) and glutathione S-transferase (GST) in the liver of rats with acute myocardial infarction (AMI), (2) lower myocardial and hepatic TBARS values; (3) augmented VEGF mRNA expressions in the non-ischemic parts of rat hearts with AMI. These results were consistent with the findings of a slight increase in myocardial capillary density and the special distribution pattern of coronary blood vessels in DanShen-treated rats.
机译:在本研究中,我们比较了丹参(丹参提取物)和血管紧张素转化酶抑制剂雷米普利对大鼠的心脏保护作用。在两种治疗方案下,丹参和雷米普利均观察到相似的效果:(1)更高的存活率,(2)梗塞面积显着减少,(3)心重与体重的比率以及左手重量明显降低和右心室的重量到体重。丹参在以下方面表现出一些独特的作用:(1)肝脏中抗氧化防御酶的活性更高,例如超氧化物歧化酶(SOD),过氧化氢酶(CAT),谷胱甘肽过氧化物酶(GSH-Px)和谷胱甘肽S-转移酶(GST)对患有急性心肌梗塞(AMI)的大鼠,(2)降低心肌和肝脏的TBARS值; (3)急性心肌梗死大鼠心脏非缺血部位VEGF mRNA表达增加。这些结果与丹参治疗的大鼠的心肌毛细血管密度和冠状血管的特殊分布模式略有增加的发现一致。

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