Article ID Journal Published Year Pages File Type
2009526 Pesticide Biochemistry and Physiology 2009 6 Pages PDF
Abstract

The aim of this work was to investigate whether reduced glutathione (GSH) could protect rats from the respiratory muscle injury induced by omethoate. Three groups named as control, OM (omethoate poisoning) and OM + GSH (omethoate poisoning treated with GSH) were arranged. The cholinesterase (ChE) activity was assayed and the pathological observation of respiratory muscles was carried out. Furthermore, activities of superoxide dismutase (SOD), glutathione peroxidase (GPx), catalase (CAT) and the free organophosphate (FOP) remained in the respiratory muscles were measured. The results indicated that ChE activity was significantly inhibited by omethoate and not be changed by GSH. GSH could attenuate the respiratory muscle injury after omethoate poisoning. No changes of SOD, GPx, CAT and FOP were found after GSH was given. The findings suggested that GSH could protect the respiratory muscle against injury induced by omethoate, which was not the result of GSH to reactivate ChE or regulate the antioxidant enzymes.

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