BRAIN HISTAMINERGIC NEURONS IN RATS SUBJECTED TO THE ACUTE EFFECT OF ALCOHOL



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Abstract

The purpose of the present investigation was to examine the effect of single injection of alcohol on histaminergic neurons of rat brain. The study included 41 male albino rats, histological, histochemical, electron microscopic and morphometric methods were used. It was found that 1 hour after the intraperitoneal administration of ethanol in a dose of 4 g/kg the neurons become more spherical, the activity of NADH and glucose-6-phosphate dehydrogenases in their cytoplasm decreased, but the activity of lactate dehydrogenase, type B monoaminooxidase and acid phosphatase increased, at the same time significant ultrastructural disturbances were observed. Six hours following alcohol administration, the signs of histaminergic neuronal damage were reduced while the features of structural and metabolic adaptation became more expressed.

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