首页> 外文期刊>Turkish journal of biology >The Effect of Sex on Ischemia - Reperfusion Induced Arrhythmias and the Role of Atp - Dependent Potassium Channel Blockage
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The Effect of Sex on Ischemia - Reperfusion Induced Arrhythmias and the Role of Atp - Dependent Potassium Channel Blockage

机译:性别对缺血再灌注引起的心律失常的影响及Atp依赖性钾通道阻滞的作用。

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摘要

The presence of more ATP-dependent potassium channels in females has been thought to play an important role in protection against myocardial ischemia. In this study, we investigated whether there is a difference in the severity of ischemia and reperfusion induced arrhythmias due to sex and, if there is, what the role of ATP-dependent potassium channel in this difference is. The left anterior descending coronary artery in rats was ligated and arrhythmias were recorded in ECG during 6 min. of ischemia and reperfusion. The duration of arrhythmias was shorter in females than in corresponding males. Glibenclamide was effective in decreasing the duration of arrhythmias in males but not in females. This may be due to the presence of more ATP-dependent potassium channels in females.
机译:雌性中存在更多的ATP依赖性钾通道被认为在预防心肌缺血中起着重要作用。在这项研究中,我们调查了性别导致的缺血和再灌注引起的心律失常的严重程度是否存在差异,如果存在,ATP依赖性钾通道在该差异中的作用是什么。结扎大鼠左前降支冠状动脉,并在6分钟内在ECG中记录心律不齐。缺血和再灌注。女性的心律不齐的持续时间短于相应的男性。格列本脲可有效减少男性心律失常的持续时间,但对女性无效。这可能是由于女性中存在更多的ATP依赖性钾离子通道。

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