IMR Press / JIN / Volume 20 / Issue 3 / DOI: 10.31083/j.jin2003076
Open Access Brief Report
Alteration of Oxidative stress and apoptotic markers alterations in the rat prefrontal cortex influence behavioral response induced by cisplatin and N-acetylcysteine in the tail suspension test
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1 Clinic for Anesthesiology and Critical Care, Military Medical Academy, 11000 Belgrade, Serbia
2 Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
3 Department of Science, Institute for Information Technologies Kragujevac, University of Kragujevac, 34000 Kragujevac, Serbia
4 Department of Histology and Embryology, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia

These authors contributed equally.

J. Integr. Neurosci. 2021, 20(3), 711–718; https://doi.org/10.31083/j.jin2003076
Submitted: 1 April 2021 | Revised: 13 April 2021 | Accepted: 17 May 2021 | Published: 30 September 2021
Copyright: © 2021 The Author(s). Published by IMR Press.
This is an open access article under the CC BY 4.0 license (https://creativecommons.org/licenses/by/4.0/).
Abstract

Cisplatin therapy is often accompanied by neurotoxicity manifestation, and since the prefrontal cortex is strongly involved in emotion regulation, the aim of this study was to analyze the alterations in the oxidative and apoptotic status of this brain region, with its behavioral impact in rats, following cisplatin administration, with or without N-acetylcysteine supplementation. Thirty-two male Wistar albino rats were randomly divided into four equal experimental groups: control, cisplatin group (single dose of 7.5 mg/kg, intraperitoneally (i.p.), on the fifth day), N-acetylcysteine group (500 mg/kg i.p., on the first and the fifth day), cisplatin + N-acetylcysteine group. Behavioral testing was performed in the tail suspension test. Oxidative stress and apoptotic markers were determined in the prefrontal cortex tissue samples. Cisplatin administration increased lipid peroxidation and decreased the activity of antioxidant enzymes in the prefrontal cortex. Also, cisplatin induced increase in Bax and decrease in Bcl-2 relative gene expression. Simultaneous application of N-acetylcysteine diminished cisplatin-induced alterations in oxidative stress and apoptotic markers. The results obtained in the tail suspension test that nominally resembles antidepressant action of cisplatin (attenuated by N-acetylcysteine), should be attributed to strong motor expression of anxiogenic response to cisplatin (also reversed by N-acetylcysteine). The antioxidant supplementation with NAC diminished cisplatin-induced oxidative damage and pro-apoptotic action in the prefrontal cortex, and significantly influenced specific behavioral alterations.

Keywords
Cisplatin
N-acetylcysteine
Oxidative stress
Apoptosis
Depression
Tail suspension test
Rats
Figures
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