02 November 2019 : Animal Research
The Comparison of Parameters of Oxidative Stress in Native Rat Livers Between Different Immunosuppressive RegimensAleksandra Wilk1ACDEF, Dagmara Szypulska-Koziarska1CDE*, Karolina Kędzierska-Kapuza2BDEFG, Jerzy Sieńko3DEF, Agnieszka Kolasa-Wołosiuk1DE, Kazimierz Ciechanowski2BCE, Barbara Wiszniewska1ABDEF
Med Sci Monit 2019; 25:8242-8247
BACKGROUND: It is thought that immunosuppressive treatment, besides anti-rejection properties, leads to pathological changes within the organ due to activation of mechanisms associated with oxidative stress. The aim of this study was to examine the parameters of oxidative stress in the livers of rats treated with the most commonly used transplant recipient drug regimens.
MATERIAL AND METHODS: The rat livers were obtained from archival material obtained from the previously performed experiment. Malondialdehyde (MDA), reduced glutathione (GSH) concentrations, superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GPx) activities were analyzed.
RESULTS: Only the group treated with tacrolimus (T), mycophenolate mofetil (M), and prednisone (P), the TMP group, showed a slight increase in lipid peroxide concentration compared to the control group, though the difference was not statistically significant. Comparison of lipid peroxide concentration between the other treatment combinations and the control group showed a significant decrease. Additionally, a difference in lipid peroxide concentrations in the livers was observed between the cyclosporine A (C) group and tacrolimus (T) group. Alterations of other oxidative stress parameters were also observed in different regimens.
CONCLUSIONS: Long-lasting immunosuppressive treatment does indeed affect redox status; however, the antioxidant defenses of the liver against the effects of excess hydrogen peroxide are efficient, so the superoxide dismutase/glutathione peroxidase (SOD/GPx) and superoxide dismutase/catalase (SOD/CAT) ratios were not significant.
Keywords: Abnormalities, Drug-Induced, Immunosuppression, Immunosuppressive Agents, Oxidative Stress, Antioxidants, Catalase, Glutathione, Glutathione Peroxidase, Hydrogen Peroxide, Lipid Peroxidation, Lipid Peroxides, Liver, Malondialdehyde, Mycophenolic Acid, Prednisone, Rats, Wistar, Superoxide Dismutase, Tacrolimus
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