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Chronic Treatment With Carvacrol Improves Passive Avoidance Memory in a Rat Model of Parkinson’S Disease; [O Tratamento Com Carvacrol Melhora a Memoria De Esquiva Passiva Em Um Modelo Da Doenca De Parkinson Em Ratos] Publisher Pubmed



Haddadi H1 ; Rajaei Z1 ; Alaei H1 ; Shahidani S1
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Authors Affiliations
  1. 1. Isfahan University of Medical Sciences, School of Medicine, Department of Physiology, Isfahan, Iran

Source: Arquivos de Neuro-Psiquiatria Published:2018


Abstract

The present study investigated the effects of carvacrol on motor and memory deficits as well as hyperalgesia in the 6-OHDA-lesioned rat model of Parkinson’s disease.The animals were subjected to unilateral microinjection of 6-OHDA into the medial forebrain bundle and treated with carvacrol (25, 50 and 100 mg/kg, ip) for six weeks after surgery. The 6-OHDA-lesioned rats showed contralateral rotations towards the lesion side, which was accompanied by learning and memory deficits in a passive avoidance test and a decrease in tail withdrawal latency in a tail flick test at the end of week 6. The results also showed that treatment with carvacrol at a dose of 25 mg/kg ameliorated memory deficits, with no effect on rotations and hyperalgesia in lesioned rats. In conclusion, carvacrol improves memory impairments in rats with Parkinson’s disease; therefore, it may serve as an adjunct therapy for the alleviation of memory deficits in Parkinson’s disease patients. © 2018, Associacao Arquivos de Neuro-Psiquiatria. All rights reserved.
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