The effect of stimulation of cardiac δ1-opioid receptors on the resistance of isolated heart to the action of ischemia and reperfusion

T. V. Lasukova, L. N. Maslov, A. A. Platonov, Yu B. Lishmanov, P. Oeltgen

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Preliminary stimulation of cardiac δ1-opioid receptors by DPDPE addition at a concentration of 0.1 mg/liter to the perfusion solution decreased the incidence of reperfusion arrhythmias and the reperfusive destruction of cardiac cells. At the same time, the activation of cardiac δ1-opioid receptors resulted in a decrease in myocardial contractility both in the pre-ischemic period and upon restoration of the coronary flow. Pretreatment with naltriondole (a δ-receptor antagonist) or with cyclopiazonic acid (a specific inhibitor of Ca2+ uptake in sarcoplasmic reticulum) completely abolished the antiarrhythmic, cardioprotective, and inotropic effects of DPDPE. It is suggested that the antiarrhythmic, cardioprotective, and inotropic effects of DPDPE is related to the cardiac δ1-opioid receptor activation and Ca2+ transport alteration on the level of sarcoplasmic reticulum.

Original languageEnglish
Pages (from-to)19-24
Number of pages6
JournalEksperimental'naya i Klinicheskaya Farmakologiya
Volume68
Issue number6
Publication statusPublished - 2005

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D-Penicillamine (2,5)-Enkephalin
Opioid Receptors
Reperfusion
Ischemia
Sarcoplasmic Reticulum
Chemical activation
Restoration
Cardiac Arrhythmias
Perfusion
Incidence

ASJC Scopus subject areas

  • Pharmacology, Toxicology and Pharmaceutics(all)

Cite this

The effect of stimulation of cardiac δ1-opioid receptors on the resistance of isolated heart to the action of ischemia and reperfusion. / Lasukova, T. V.; Maslov, L. N.; Platonov, A. A.; Lishmanov, Yu B.; Oeltgen, P.

In: Eksperimental'naya i Klinicheskaya Farmakologiya, Vol. 68, No. 6, 2005, p. 19-24.

Research output: Contribution to journalArticle

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AU - Oeltgen, P.

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