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  • Title: The influence of systemic hypoxia and reoxygenation on the glutathione redox system of brain, liver, lung and plasma in newborn rats.
    Author: Reuter A, Klinger W.
    Journal: Exp Toxicol Pathol; 1992 Oct; 44(6):339-43. PubMed ID: 1450653.
    Abstract:
    The concentrations of reduced (GSH) and oxidized glutathione (glutathione disulfide, GSSG) in lung, liver, brain and plasma of newborn rats were investigated under the condition of reversible hypoxia. Brain and lung of newborn rats seem to be susceptible to reversible hypoxia. We found an increase in GSSG concentration after hypoxia in these organs. This alteration of the GSH-GSSG redox system was reversible within 2 hours of reoxygenation. A second increase in cerebral GSSG concentration after 4 hours of reoxygenation was connected with fasting during the experiment. In the liver we found a hypoxia dependent decrease in the GSH level, followed by a decrease in GSSG concentration. The increased GSSG concentrations in lung and brain are accompanied by an enhancement of plasma GSSG concentration.
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