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首页> 外文期刊>Indian journal of physiology and pharmacology >Administration of 5-Hydroxydecanoate, a Selective Inhibitor of Mitochondrial ATP-sensitive Potassium Channels, Inhibits Apelin-lnduced cardioprotection in Ischemia/Reperfusion Model of Male Rats
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Administration of 5-Hydroxydecanoate, a Selective Inhibitor of Mitochondrial ATP-sensitive Potassium Channels, Inhibits Apelin-lnduced cardioprotection in Ischemia/Reperfusion Model of Male Rats

机译:施用5-羟基二癸酸,一种线粒体ATP敏感钾通道的选择性抑制剂,抑制雄性大鼠缺血/再灌注模型中的Apelin-Lnductencoproction

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摘要

Apelin, a recently discovered endogenous peptide has shown to protect myocardium against infarction in the animal model. The aim of this study was to evaluate the effects of mitochondrial ATP-sensitive potassium channels inhibition on myocardial protection afforded by apelin treatment during ischemia period. Thirty-two male Wistar rats were divided into four groups; (1) Ischemia/reperfusion, (2) Apelin + ischemia/reperfusion, (3) 5-hydroxydecanoate + Apelin + ischemia/reperfusion and (4) 5-hydroxydecanoate + ischemia/reperfusion. Hemodynamic parameters and infarct size were measured for all groups. There were no significant differences in hemodynamic functions during ischemia and reperfusion periods between the experimental groups. Further, there was a decrease in infarct size in apelin group when compared to ischemia/reperfusion group. However, selective inhibition of mitochondrial ATP-sensitive potassium channels by administration of 5-hydroxydecanoate, diminished the infarct-sparing effect of apelin. These findings suggest that apelin-induced protection was removed by using 5-hydroxydecanoate as a selective inhibitor of mitochondrial ATP-sensitive potassium channel.
机译:Apelin,最近发现的内源性肽已显示用于保护心肌免受动物模型中的梗塞。本研究的目的是评估线粒体ATP敏感性钾通道抑制对缺血期间阿贝林治疗提供的心肌保护对心肌保护的影响。将三十两只雄性Wistar大鼠分为四组; (1)缺血/再灌注,(2)Apelin +缺血/再灌注,(3)5-羟基二烷酸+甲素+缺血/再灌注和(4)5-羟基癸酸+缺血/再灌注。针对所有组测量血流动力学参数和梗塞尺寸。实验组之间的缺血和再灌注期间血液动力学功能没有显着差异。此外,与缺血/再灌注组相比,肝素组中的梗塞大小减少。然而,通过施用5-羟基癸酸酯,对线粒体ATP敏感性钾通道的选择性抑制减少了ineelin的梗塞备受效应。这些发现表明,通过使用5-羟基二烷酸酯作为线粒体ATP敏感钾通道的选择性抑制剂除去阿贝因素诱导的保护。

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