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Exp Toxicol Pathol. 2009 May;61(3):189-96. doi: 10.1016/j.etp.2008.08.002. Epub 2008 Oct 2.

Lambda-cyhalothrin-induced biochemical and histopathological changes in the liver of rats: ameliorative effect of ascorbic acid.

Author information

1
Animal Physiology Laboratory, Sciences Faculty of Sfax, Life Science Department, Sfax 3000, Tunisia.

Abstract

Pyrethroid pesticides were used preferably over organochlorines and organophosphates due to their high effectiveness, low toxicity to non-target organisms and easy biodegrability. It has widespread applications in agriculture through the world and in Tunisia. The present study investigates lambda-cyhalothrin (LTC) effects on biochemical parameters, hepatotoxicity and their attenuation by vitamin C. Male Wistar rats were randomly divided into three groups of seven each: a control group (C) and two treated groups during 3 weeks with LTC administrated either alone in drinking water for LTC group or coadministred with vitamin C for LTC+vit C group. Lactate deshydrogenase (LDH) activity was significantly increased in liver (+51%, p<0.001) and in plasma (+40%, p<0.001) compared to those of control group. A significant increase of malondialdehyde (MDA) levels in liver (+53%; p<0.001) associated with a decrease in antioxidants enzyme activities and reduced glutathione (GSH) content was observed in LTC group compared to controls. The administration of vitamin C to LTC+vit C group improved all parameters studied. We conclude that LTC induces oxidative stress and modifies biochemical parameters and histological aspects of liver. Administration of vitamin C alleviates the toxicity induced by this synthetic pyrethroid insecticide.

PMID:
18835144
DOI:
10.1016/j.etp.2008.08.002
[Indexed for MEDLINE]

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