这些结果表明CGRP可能是一种内源性心肌保护物质，并在预适应的保护效应中起重要作用。
These findings suggest that CGRP may be an endogenous myocardial protective substance and plays an important role in the mediation of preconditioning.
目的：探讨依那普利预处理对心肌内源性保护机制的影响。
Objective: To investigate the effect of enalaprilat preconditioning on myocardial endogenesis protect mechanism.
目的：探讨穴位电刺激预处理对大鼠心肌超微结构和内源性保护物质活力水平的影响。
Objective To probe the effects of preconditioning via acupoint electricity stimulation on rats' myocardial ultrastructure and endogenous protective substances level.
缺血预适应的心肌保护作用是心脏释放内源性心血管活性物质所介导。
The cardioprotective effect of ischemic preconditioning may be mediated by endogenous cardiovascular active substances.
结论：心肌缺血预处理与电针内关通过提高内源性氧自由基清除系统酶的活性，抑制缺血再灌注心肌细胞膜脂质过氧化反应，对缺血再灌注心肌具有明显的保护作用。
Coneclusion:EA at Neiguan point and IC can protect Z/R myocardium evidently by raising the activity of inhabiting cell membrane lipid peroxidation of myocardial suffered from ischemic reperfusion.
结论：心肌缺血预处理与电针内关通过提高内源性氧自由基清除系统酶的活性，抑制缺血再灌注心肌细胞膜脂质过氧化反应，对缺血再灌注心肌具有明显的保护作用。
Coneclusion:EA at Neiguan point and IC can protect Z/R myocardium evidently by raising the activity of inhabiting cell membrane lipid peroxidation of myocardial suffered from ischemic reperfusion.
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