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Oxidative DNA damage, lipid peroxidation and nephrotoxicity induced in the rat kidney after ferric nitrilotriacetate
1Division of Toxicology, National Institute of Hygienic Sciences, Tokyo, Japan.
Abstract:
8-Hydroxydeoxyguanosine (8-OH-dG) was examined in the kidneys of rats after single i.p. administration of ferric nitrilotriacetate (Fe-NTA) for variable periods of time at various doses along with the measurement of lipid peroxidation and serum biochemical parameters and histopathological examination. Though lipid peroxide level increased rapidly and decreased sharply after reaching a much higher peak 1 h after treatment, significant higher levels of 8-OH-dG were observed at 1, 6 and 24 h after injection. On the other hand, the increase of 8-OH-dG formation was observed in a similar dose-dependent manner to the appearance of nephrotoxic responses in terms of serum biochemical and histopathological changes.