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Astaxanthin Prevents Nephrotoxicity Through Nrf2/Ho-1 Pathway Publisher Pubmed



Lorestani F1 ; Movahedian A1 ; Mohammadalipour A1 ; Hashemnia M2 ; Aarabi MH1
Authors
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Authors Affiliations
  1. 1. Department of Clinical Biochemistry, Isfahan Pharmaceutical Sciences Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
  2. 2. Department of Pathobiology, Faculty of Veterinary Medicine, Razi University, Kermanshah, Iran

Source: Canadian Journal of Physiology and Pharmacology Published:2024


Abstract

Renal toxicity is one of the side effects of methotrexate (MTX). Therefore, this study explored the use of astaxanthin (AST), as a natural carotenoid, against MTX-induced nephrotoxicity emphasizing the changes in oxidative stress and the expression of nuclear factor erythroid 2-related factor 2/heme oxygenase 1 (Nrf2/HO-1). During the 10 days of the experiment, male Wistar rats in different groups received MTX (10 mg/kg) on days 6, 8, and 10 and three doses of AST (25, 50, and 75 mg/kg) during the entire course. Renal failure caused by MTX was observed in significant histopathological changes and a significant increase in serum levels of creatinine, urea, and uric acid (p < 0.05). Oxidative change induced by MTX injection was also observed by remarkably increasing the tissue level of malondialdehyde (MDA) and decreasing the activity of superoxide dismutase (SOD) and catalase (p < 0.001). AST decreases the adverse effects of MTX by upregulating the expression of Nrf2/HO-1 genes (p < 0.01) and decreasing the tissue level of MDA (p < 0.01). Also, AST significantly reduced the amount of creatinine, urea, and uric acid in the serum and improved the activity of SOD and catalase in the kidney tissue (p < 0.05). Thus, AST may protect the kidney against oxidative stress caused by MTX. © 2023 The Author(s).
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