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Influence of Whole-Body γ Irradiation upon Rat Liver Mitochondrial Fractions
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1981
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Radiation EffectLipid PeroxidationRadiation ExposureMitochondrial BiologyRedox BiologyOxidative StressMalonaldehyde ContentWhole-body γ IrradiationToxicologyRadiation OncologyNuclear MedicineHealth SciencesBiochemistryLiver PhysiologyLiver Mitochondrial FractionsReactive Oxygen SpecieRadiation EffectsCell BiologyHepatologyMitochondrial FunctionPhysiologyMetabolismMedicine
Whole-body γ irradiation (8 Gy) of rats produced modifications in enzymatic activities and malonaldehyde content of liver mitochondrial fractions. Irradiation resulted in higher cytochrome oxidase and NADH-cytochrome c reductase activities, and lower superoxide dismutase and catalase activities, leading to increased lipid peroxidation as indicated by higher malonaldehyde concentrations in liver mitochondrial fractions.