Global Advanced Research Journal of Medicine and Medical Sciences (GARJMMS) ISSN: 2315-5159
August 2015 Vol. 4(8), pp. 337-346
Copyright © 2015 Global Advanced Research Journals

 

Full Length Research Paper

Preliminary analysis of oxidative stress parameters in Lister Hooded rats after an acute oral treatment with 2,5-dimethoxyamphetamine

Valeria Pasciu1, Elena Baralla1*, Maria Vittoria Varoni1, Tiziana Sedda1, Gianpiero Boatto2, Maria Nieddu2, Lucia Burrai2 and Maria Piera Demontis1

1Department of Veterinary Medicine, University of Sassari, 07100 Sassari
2Department of Chemistry and Pharmacy, University of Sassari, 07100 Sassari

*Corresponding Author E-mail: ebaralla@uniss.it; Tel: +39 079229565; Fax: +39 079229564

Accepted 05 August, 2015

 Abstract

The correlation between the toxicity of some common amphetamines and oxidative stress is well documented. In this study 2,5-dimethoxyamphetamine (2,5-DMA), a widely diffused designer drug with hallucinogenic properties, was investigated for its capacity to induce oxidative stress in rats after an acute oral treatment. The assessed parameters were: reduced glutathione (GSH) as a cellular antioxidant, thiobarbituric acid-reactive substances (TBARS) as biomarkers of lipid peroxidation and the trolox equivalent antioxidant capacity (TEAC) in plasma, liver, testes and kidneys. GSH levels in whole blood and in the organs mentioned above were determined using a mass spectrometer, while all the other parameters were spectrophotometrically assayed. A significant decrease of GSH in liver, an increase of TBARS in plasma, liver and testes, and a simultaneous decrease in the total antioxidant capacity of the plasma were observed. These findings suggest that 2,5-DMA induces an imbalance between oxidants and antioxidants leading to an oxidative stress status.

Keywords: 2,5-DMA, GSH, lipid peroxidation, rats, TEAC

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