Cardioprotective Effect of Opioids, Derivatives of Amide N-Methyl-2-(Pirrolidin-1-yl)Cyclohexyl-1-Amine, under Conditions of Ischemia/Reperfusion of the Heart

被引:0
|
作者
Mukhomedzyanov, A., V [1 ]
Zhuk, V. V. [2 ]
Maslov, L. N. [1 ]
Shipunov, A., I [2 ]
Andrienko, O. S. [3 ]
Gadirov, R. M. [4 ]
机构
[1] Russian Acad Sci, Tomsk Natl Res Med Ctr, Cardiol Res Inst, Tomsk, Russia
[2] MedContrast Synth Co, Tomsk, Russia
[3] Russian Acad Sci, Inst Atmospher Opt, Siberian Div, Tomsk, Russia
[4] Natl Res Tomsk State Univ, Tomsk, Russia
关键词
heart; reperfusion; opioids; postconditioning; ACUTE MYOCARDIAL-INFARCTION; REPERFUSION; ACTIVATION; RECEPTORS;
D O I
10.1007/s10517-021-05138-y
中图分类号
R-3 [医学研究方法]; R3 [基础医学];
学科分类号
1001 ;
摘要
We performed a comparative analysis of infarction-limiting activity of analogues of opioid receptor agonist U-50488 under conditions of heart reperfusion in rats. Derivatives of amide N-methyl-2-(pyrrolidin-1-yl)cyclohexyl-1-amine were administered 5 min before reperfusion in a dose of 1 mg/kg, derivative II (opicor) was additionally used in a dose of 2 mg/kg. In a dose of 1 mg/kg, all derivatives of opioid U-50488 were ineffective and produced no infarction-limiting effect. Opicor in a dose of 2 mg/kg reduced the infarction size/area at risk ratio and improved the contractility parameters of the isolated heart. Opioid receptor antagonist naltrexone (5 mg/kg) abolished the infarction-limiting effect of opicor. Hence, the infarction-reducing effect of opicor is associated with activation of opioid receptors. We also demonstrated that the opioid (opicor) can improve cardiac contractility during the reperfusion period.
引用
收藏
页码:710 / 713
页数:4
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