A V Krylatov, O E Vaizova, M V Belousov, S V Poznyakova, P G Madonov
{"title":"[ROLE OF OPIOID RECEPTORS IN THE REGULATION OF RESISTANCE OF HEART TO IMPACT OF ISCHEMIA-REPERFUSION].","authors":"A V Krylatov, O E Vaizova, M V Belousov, S V Poznyakova, P G Madonov","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>Activation of m-, d1-, d2- and k1-opioid receptors increases cardiac resistance to ischemia-reperfusion. The cardioprotective effect of opioids in many cases appears to be associated with the activation of the peripheral OR. However, when it comes to non-peptide agonists OR able to cross the blood-brain barrier, we cannot exclude the involvement of central opioid receptors in cardioprotection. Endogenous opioids are not involved in the regulation of cardiac tolerance to ischemia- reperfusion in non-adapted animals. Stimulation of k1- and d1-OP may exert delayed cardioprotective effect. Activation d- and k1-OP reduces the intensity of cardiomyocyte apoptosis after reperfusion. The results of studies related to the inotropic effect of opioids during reperfusion of the heart remain highly controversial.</p>","PeriodicalId":21358,"journal":{"name":"Rossiiskii fiziologicheskii zhurnal imeni I.M. Sechenova","volume":"103 3","pages":"230-49"},"PeriodicalIF":0.0000,"publicationDate":"2017-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Rossiiskii fiziologicheskii zhurnal imeni I.M. Sechenova","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Activation of m-, d1-, d2- and k1-opioid receptors increases cardiac resistance to ischemia-reperfusion. The cardioprotective effect of opioids in many cases appears to be associated with the activation of the peripheral OR. However, when it comes to non-peptide agonists OR able to cross the blood-brain barrier, we cannot exclude the involvement of central opioid receptors in cardioprotection. Endogenous opioids are not involved in the regulation of cardiac tolerance to ischemia- reperfusion in non-adapted animals. Stimulation of k1- and d1-OP may exert delayed cardioprotective effect. Activation d- and k1-OP reduces the intensity of cardiomyocyte apoptosis after reperfusion. The results of studies related to the inotropic effect of opioids during reperfusion of the heart remain highly controversial.
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