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Title: Induction of oxidative stress and histopathological changes by sub-chronic doses of triazophos
Authors: Jain, Smita
Mythily, S
Ahmed, Rafat S
Arora, Vinod K
Banerjee, B D
Keywords: Triazophos;Oxidative stress;Lipid peroxidation;Glutathione;Glutathione-S-transferase;Ferric reducing ability of plasma
Issue Date: Dec-2010
Publisher: NISCAIR-CSIR, India
Abstract: The effect of triazophos (O, O-diethyl O-1-phenyl-1 H-1, 2, 4-triazol-3-yl phosphorothioate), a widely used insecticide was studied on the induction of oxidative stress and histological alterations at sub-chronic doses in male albino rats. Oral administration of triazophos at concentrations of 1.64, 3.2 and 8.2 mg/kg body wt for 30 days produced dose as well as time-dependent increase in the lipid peroxidation (determined by malondialdehyde levels) and glutathione-S-transferase (GST) activity in serum with a concomitant decrease in ferric reducing ability of plasma (FRAP) and blood glutathione (GSH) content. Histopathological examination of liver of triazophos-treated rats showed significant and progressive degenerative changes as compared to control, which could be due to induction of oxidative stress. However, no significant histopathological changes were observed in spleen, kidney and brain at either dose of triazophos with respect to control. These results indicated that oral administration of triazophos was associated with enhanced lipid peroxidation and compromised antioxidant defence in rats in dose and time-dependent manner. Thus the present study demonstrated for the first time the role of oxidative stress as the important mechanism involved in the stimulation of hepatic histo-architectural alterations at sub-chronic doses of triazophos in rats.
Page(s): 388-392
ISSN: 0975-0959 (Online); 0301-1208 (Print)
Appears in Collections:IJBB Vol.47(6) [December 2010]

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