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- W2766990463 abstract "Neurochemical and ATPase deregulations play important role in toxicant-induced neurodegeneration. Previous studies have shown that loss of ATPase ionic-pumps alters neurochemical balance via increased ammonia, oxidative and nitrosative stress. Thus, this study investigated the ameliorative potentials of quercetin on neurochemical, ATPase changes, hyperammonemia and oxidative/nitrosative status in the brains of Wistar rats exposed to endosulfan, a known toxic environmental pesticide that is casually used in many developing countries. Adult rats were divided into five treatment groups (n = 5). Groups 1–2 received normal saline and corn oil (vehicle) (10 mL/kg/day), group 3 received quercetin (20 mg/kg/day) orally for 28 days consecutively. However, animals in groups 4–5 were given endosulfan (5 mg/kg/day, p.o) for 28 days. But, from the 14th to 28th day, group 4 additionally received vehicle (10 mL/kg/day, p.o.), while group 5 was treated with quercetin (20 mg/kg/day, p.o.). Thereafter, brain levels of neurochemicals, ATPase activities, ammonia and oxidative/nitrosative stress were investigated by employing standardized biochemical assay protocols. Quercetin increased endosulfan-induced decreased levels of norepinephrine, dopamine, GABA, and decreased elevated concentrations of glutamate and serotonin. Quercetin normalized the increased levels of acetylcholinesterase and ammonia. Furthermore, quercetin significantly reversed the decrease in Na+/K+, Ca2+, Mg2+-ATPase activities induced by endosulfan. Also, quercetin increased superoxide dismutase, catalase and glutathione peroxidase activities, and reduced nitrite and peroxynitrite levels in brains of rats. These findings further provide evidence of the ameliorative potential of quercetin against endosulfan-induced neurotoxicity via attenuation of neurochemical, ATPase changes, and inhibition of acetylcholinesterase activity, ammonia release and oxidative/nitrosative stress in rat brains." @default.
- W2766990463 created "2017-11-10" @default.
- W2766990463 creator A5003157478 @default.
- W2766990463 date "2017-10-01" @default.
- W2766990463 modified "2023-09-25" @default.
- W2766990463 title "Oxidative DNA damage in cancer patients: Associations between persistent organic pollutants and biomarkers of cellular targets" @default.
- W2766990463 doi "https://doi.org/10.1016/j.toxlet.2017.07.130" @default.
- W2766990463 hasPublicationYear "2017" @default.
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