Abstract
The aim of the present study is to evaluate the oxidative damage in rats of different ages. Weaned rats of 25 g and adults of 300 g were used in groups of 6, a single i.p. dose of morphine sulfate of 3, 6 or 12 mg/kg was administered. All animals were sacrificed to measure GSH and 5-HT levels in brain by liquid chromatography, as well as Na+, K+-ATPase and total ATPase enzymatic activity. 5-HT levels decreased significantly (p<0.05) in adult animals that received 3 and 6 mg morphine. Na+, K+-ATPase activity increased significantly (p<0.05) in all groups of weaned animals. In adult animals, Na+, K+-ATPase and total ATPase partially diminished. GSH levels diminished significantly (p<0.05) both in weaned and in adult groups. The results indicate age-induced changes in cellular regulation and biochemical responses to oxidative stress induced by morphine.
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We thank to Isabel Pérez Monfort for hel** to translate the manuscript.
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Guzmán, D.C., Vázquez, I.E., Brizuela, N.O. et al. Assessment of Oxidative Damage Induced by Acute Doses of Morphine Sulfate in Postnatal and Adult Rat Brain. Neurochem Res 31, 549–554 (2006). https://doi.org/10.1007/s11064-006-9053-7
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DOI: https://doi.org/10.1007/s11064-006-9053-7