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Comparative Effect of Withdrawal from Exposure on Gasoline and Diesel Induced Nephrotoxicity in Male Albino Wistar Rats | OMICS International | Abstract
ISSN: 2161-0495

Journal of Clinical Toxicology
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Research Article

Comparative Effect of Withdrawal from Exposure on Gasoline and Diesel Induced Nephrotoxicity in Male Albino Wistar Rats

Friday E. Uboh*, Saviour U. Ufot and Eyong U. Eyong

Biochemistry Department, Faculty of Basic Medical Sciences, University of Calabar, Nigeria

*Corresponding Author:
Friday E. Uboh
Biochemistry Department
Faculty of Basic Medical Sciences
University of Calabar
P.M.B.1115, Calabar, Nigeria
E-mail: [email protected]

Received date: August 1, 2013; Accepted date: September 24, 2013; Published date: September 30, 2013

Citation: Uboh FE, Ufot SU, Eyong EU (2013) Comparative Effect of Withdrawal from Exposure on Gasoline and Diesel Induced Nephrotoxicity in Male Albino Wistar Rats. J Clin Toxicol 3:170. doi: 10.4172/2161-0495.1000170

Copyright: © 2013 Uboh FE et al., This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Exposure to gasoline and diesel has been reported to induce nephrotoxicity in rats. This study was designed to assess the effect of withdrawal from exposure on the nephrotoxic effects associated with oral exposure to gasoline and diesel in male rats. Four groups of the experimental test rats were respectively exposed orally to diesel and gasoline solvents (4.0 mg/kg/day, 6 days/week) for 60 days, after which two respective groups were sacrificed for nephrotoxicity assay while the remaining two groups were withdrawn from exposure for the next 60 days before sacrificing them for biochemical assay. The results showed that oral exposure to diesel and gasoline induced a significant (p<0.05) increase in serum creatinine, urea, blood urea nitrogen (BUN) and kidney tissue malondialdehyde (MDA), as well as decrease in kidney tissue reduced glutathione (GSH) concentrations in rats. However, the percentage increase in serum creatinine, urea, BUN, kidney tissue MDA, and decrease in kidney tissue GSH concentrations recorded for rats exposed to diesel (300.1 ± 30.8, 130.3 ± 18.5, 125.6 ± 16.4, 141.8 ± 10.4 and 75.0 ± 8.6 percents, respectively) were significantly higher (p<0.05) compared to the percentages recorded for rats exposed to gasoline (150.0 ± 17.5, 80.3 ± 13.2, 72.1 ± 11.4, 120.9 ± 15.2 and 61.5 ± 10.1 percents, respectively). The result of this study also showed that withdrawal from exposure reverses the levels of serum creatinine, urea, BUN, and kidney tissue MDA and GSH to the levels approximately within the control range. This study confirms that oral exposure to diesel and gasoline may be a risk factor for nephrotoxicity, with diesel being more nephrotoxic than gasoline, and that withdrawal from exposure for equal duration of the exposure period is capable of reversing the induced nephrotoxicity in rats.

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