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中国临床药理学与治疗学 ›› 2003, Vol. 8 ›› Issue (2): 173-176.

• 研究原著 • 上一篇    下一篇

原花青素对大鼠心肌缺血再灌注损伤的保护作用

汪晨净, 高明堂, 时小燕, 吴勇杰, 李文广   

  1. 兰州医学院药理教研室, 兰州 730000, 甘肃
  • 收稿日期:2002-10-20 修回日期:2002-10-30 出版日期:2003-04-26 发布日期:2020-11-25
  • 通讯作者: 汪晨净, 女, 硕士研究生, 现在西北民族学院医学院药理教研室(730030)。Tel:0931-3921020 E-mail:wcj5459yahoo.com.cn
  • 作者简介:高明堂, 男, 博士, 教授, 硕士研究生导师, 从事心血管药理学研究。

Protective effects of procyanidin on myocardial ischemia reperfusion injury in rats

WANG Chen-Jing, GAO Ming-Tang, Shi Xiao-Yan, WU Yong-Jie, LI Wen-Guang   

  1. Department of Pharmacology, Lanzhou Medical College, Lanzhou 730000,Ganshu
  • Received:2002-10-20 Revised:2002-10-30 Online:2003-04-26 Published:2020-11-25

摘要: 目的: 观察原花青素(procyanidin, PC)对大鼠心肌缺血再灌注损伤的保护作用。方法: 结扎大鼠冠状动脉左前降支(LAD)40 min, 复灌120 min 后复制出大鼠心肌缺血再灌注损伤模型, 观察PC 对大鼠心肌酶学、心梗面积和脂质过氧化的影响。结果: PC 能减少心肌细胞磷酸肌酸激酶(CPK)和乳酸脱氢酶(LDH)的释放, 明显缩小心肌梗死面积, 能显著提高大鼠血清和心肌组织中超氧化物歧化酶(SOD)活性, 降低心肌和血清脂质过氧化代谢产物丙二醛(MDA)含量。结论: PC 对大鼠心肌缺血再灌注损伤有保护作用, 其机制可能与清除自由基, 抑制脂质过氧化反应有关。

关键词: 药理学, 原花青素, 心肌缺血再灌注, 脂质

Abstract: AIM: To inverstigate the protective effects of procyanidin on myocardial ischemia reperfusion injury in rats. METHODS: Myocardial ischemia reperfusion injury models were established by the ligation of left desending coronary artery for 40 min and referfusion for 120 min in rats, and the influence of procyanidin on enzymes of myocardial, myocardial infarction size and lipid peroxide were observed. RESULTS: Procyanidin decreased myocardial creatine phosphokinase (CPK) and lactate dehydrogenase (LDH)release significantly diminished myocardial infarction size, raised the activity of superoxide dismutase (SOD), reduced malondialdehyde (MDA)content in myocardial and serum in comparison with the control. CONCLUSION: Procyanidin has a protective effect on myocardial ischemia reperfusion injury.The action is related to the inhibition of the free radical and subsequent lipid peroxidation.

Key words: pharmacology, procyanidin, myocardial ischemia reperfusion, lipid peroxide, superoxide dismutase

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