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Alterations in the Antioxidant Enzyme Activities in the Neurodevelopmental Rat Model of Schizophrenia Induced by Glutathione Deficiency during Early Postnatal Life

1
The Chair of Medical Biochemistry, Jagiellonian University Medical College, 7 Kopernika Street, 31-034 Kraków, Poland
2
Maj Institute of Pharmacology, Polish Academy of Sciences, 12 Smętna Street, 31-343 Kraków, Poland
3
Department of Environmental Chemistry, University of Łódź, 163 Pomorska Street, 90-236 Łódź, Poland
*
Author to whom correspondence should be addressed.
Antioxidants 2020, 9(6), 538; https://doi.org/10.3390/antiox9060538
Received: 22 May 2020 / Revised: 10 June 2020 / Accepted: 17 June 2020 / Published: 19 June 2020
(This article belongs to the Special Issue Oxidative stress and Applied Biology)
The aim of the present study was to assess the effects of l-buthionine-(S,R)-sulfoximine (BSO), a glutathione (GSH) synthesis inhibitor, and GBR 12909, a dopamine reuptake inhibitor, administered alone or in combination to Sprague-Dawley rats during early postnatal development (p5–p16), on the levels of reactive oxygen species (ROS), lipid peroxidation (LP) and the activities of antioxidant enzymes: superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx) and glutathione disulfide reductase (GR) in peripheral tissues (liver, kidney) and selected brain structures (prefrontal cortex, PFC; hippocampus, HIP; and striatum, STR) of 16-day-old rats. The studied parameters were analyzed with reference to the content of GSH and sulfur amino acids, methionine (Met) and cysteine (Cys) described in our previous study. This analysis showed that treatment with a BSO + GBR 12909 combination caused significant decreases in the lipid peroxidation levels in the PFC and HIP, in spite of there being no changes in ROS. The reduction of lipid peroxidation indicates a weakening of the oxidative power of the cells, and a shift in balance in favor of reducing processes. Such changes in cellular redox signaling in the PFC and HIP during early postnatal development may result in functional changes in adulthood. View Full-Text
Keywords: neurodevelopmental model of schizophrenia; GSH deficiency; antioxidant enzymes activity; ROS level neurodevelopmental model of schizophrenia; GSH deficiency; antioxidant enzymes activity; ROS level
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Górny, M.; Bilska-Wilkosz, A.; Iciek, M.; Hereta, M.; Kamińska, K.; Kamińska, A.; Chwatko, G.; Rogóż, Z.; Lorenc-Koci, E. Alterations in the Antioxidant Enzyme Activities in the Neurodevelopmental Rat Model of Schizophrenia Induced by Glutathione Deficiency during Early Postnatal Life. Antioxidants 2020, 9, 538.

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