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[Anti-arrhythmia effects of enkephalinase inhibitors]
Iu B Lishmanov1, L N Maslov, E V Uskina
1Laboratory of Experimental Cardiology, Institute of Cardiology, Tomsk Scientific Center, Siberian Division, Russian Academy of Medical Sciences, ul. Shevchenko 24, Tomsk, 634050 Russia.
Abstract:
The intravenous pretreatment with enkephalinase inhibitors KB 101 and acetorphan increased the heart resistance to the arrhythmogenic action of adrenaline (epinephrine), is related to activation of the delta-opioid receptors by endogenous enkephalins. At the same time, the mu-receptors and their endogenous agonists play an insignificant role in development of the antiarrhythmic effect of acetorphan. The enkephalinase inhibitors are a promising group of compounds for the development of new antiarrhythmic drugs, because these agents, in contrast to opiates, do not lead to narcotic addiction.