期刊
ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY
卷 34, 期 3, 页码 849-857出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.etap.2012.08.015
关键词
Dibromoacetonitrile; Water disinfection by-products; Neurotoxicity; Oxidative stress; Taurine
Dibromoacetonitrile (DBAN) is a disinfection by-product of water chlorination. Epidemiological studies indicate that it might present a potential hazard to human health. The present study aimed to investigate the possible neurotoxicity of DBAN in rats and possible protection by taurine. Based on initial dose-response experiment, DBAN (60 mg/kg) was administrated orally for 7 days. DBAN administration significantly impaired behavior of rats. Further, DBAN produced significant decrease of monoamines, gamma-aminobutyric acid (GABA), glutamate contents, acetylcholinestrase (AChE) and aspartate aminotransferase (AST) activities, in rat brain. On the other hand, a significant increase in malondialdehyde (MDA), nitric oxide (NO) contents and lactic dehydrogenase (LDH) activity was observed. Co-administration of taurine (200 mg/kg, i.p.) with DBAN mitigated most tested parameters. In conclusion, the present study indicates that DBAN has the propensity to cause significant oxidative damage in rat brain. However, taurine has a promising role in attenuating the obtained hazardous effects of DBAN. (C) 2012 Elsevier B.V. All rights reserved.
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