期刊
ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY
卷 39, 期 3, 页码 1161-1169出版社
ELSEVIER
DOI: 10.1016/j.etap.2015.04.010
关键词
Benzene; Environmental pollutants; Insulin resistance; Oxidative stress; Pancreatic islets
资金
- International Campus of TUMS
Benzene (C6H6) is an organic compound used in petrochemicals and numerous other industries. It is abundantly released to our environment as a chemical pollutant causing widespread human exposure. This study mainly focused on benzene induced toxicity on rat pancreatic islets with respect to oxidative damage, insulin secretion and glucokinase (GK) activity. Benzene was dissolved in corn oil and administered orally at doses 200, 400 and 800 mg/kg/day, for 4 weeks. In rats, benzene significantly raised the concentration of plasma insulin. Also the effect of benzene on the release of glucose-induced insulin was pronounced in isolated islets. Benzene caused oxidative DNA damage and lipid peroxidation, and also reduced the cell viability and total thiols groups, in the islets of exposed rats. In conclusion, the current study revealed that pancreatic glucose metabolism is susceptible to benzene toxicity and the resultant oxidative stress could lead to functional abnormalities in the pancreas. (C) 2015 Elsevier B.V. All rights reserved.
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