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Effects of Acute Doses of Methylphenidate on Inflammation and Oxidative Stress in Isolated Hippocampus and Cerebral Cortex of Adult Rats Publisher Pubmed



Motaghinejad M1 ; Motevalian M1 ; Shabab B2 ; Fatima S3
Authors
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Authors Affiliations
  1. 1. Razi Drug Research Center & Pharmacology Department, School of Medicine, Iran University of Medical Sciences, Hemmat High Way, Beside Milad Tower, Tehran, 14496-14525, Iran
  2. 2. Solid Dosage Form Department, Iran Hormone Pharmaceutical Company, Tehran, Iran
  3. 3. Department of Physiology, Tehran University of Medical Sciences, International Campus, Tehran, Iran

Source: Journal of Neural Transmission Published:2017


Abstract

Methylphenidate (MPH) is a stimulatory agent in brain with unknown long-term consequences. In this study, MPH-induced neurodegeneration in adult rat brain was assessed. Rats were acutely treated with different doses of MPH. Open Field Test was used to investigate anxiety and depression levels. Inflammatory factors and anti-oxidant activity were also evaluated in isolated hippocampus and cerebral cortex. MPH treated groups (10 and 20 mg/kg) demonstrated anxiety and depression like behavior in OFT. MPH significantly increased lipid peroxidation, GSSG level, IL-1β and TNF-α in isolated tissues. In addition, MPH at the same doses (10 and 20 mg/kg) reduced GSH, superoxide dismutase, glutathione peroxidase and glutathione reductase activity significantly in hippocampus and cerebral cortex. In conclusion, acute administration of high doses of MPH can cause oxidative and inflammatory changes in brain cells and induce neurodegeneration in hippocampus and cerebral cortex of adult rats. © 2016, Springer-Verlag Wien.
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