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Diphenyl diselenide prevents hepatic alterations induced by paraquat in rats

Authors
Journal
Environmental Toxicology and Pharmacology
1382-6689
Publisher
Elsevier
Volume
36
Issue
3
Identifiers
DOI: 10.1016/j.etap.2013.07.009
Keywords
  • Diphenyl Diselenide
  • Antioxidant
  • Anti-Inflammatory
  • Paraquat
  • Lipid Peroxidation
Disciplines
  • Biology

Abstract

Abstract This study aimed to investigate the beneficial effect of diphenyl diselenide (PhSe)2 on paraquat (PQ) induced alterations in rats liver. Adult male Wistar rats received (PhSe)2 at 10mgkg−1, by oral administration (p.o.), during five consecutive days. Twenty-four hours after the last (PhSe)2 dose, rats received PQ at 15mgkg−1, in a single intraperitoneally injection (i.p.). Seventy-two hours after PQ exposure, animals were sacrificed by decapitation for blood and liver samples obtainment. Histological alterations induced by PQ exposure, such as inflammatory cells infiltration and edema, were prevented by (PhSe)2 administration. Moreover, (PhSe)2 prevented hepatic lipid peroxidation (LPO) induced by PQ and was effective in reducing the myeloperoxidase (MPO) activity in liver, which was enhanced by PQ exposure. (PhSe)2 also was effective in protecting against the reduction in ascorbic acid and non-protein thiols (NPSH) levels induced by PQ. The inhibition of glutathione S-transferase (GST) activity, in rats exposed to PQ, was normalized by (PhSe)2 pre-treatment, whereas the inhibition of catalase (CAT) activity was not prevented by (PhSe)2. The serum alkaline phosphatase (ALP) inhibition, induced by PQ administration, was also prevented by (PhSe)2 pre-treatment. Serum aspartate aminotransferase (AST) and alanine aminotransferase (ALT) activities were not modified by PQ and/or (PhSe)2 administration. Therefore, (PhSe)2 pre-treatment was effective in protecting against the hepatic alterations induced by PQ in rats. This protective effect can involve the antioxidant and anti-inflammatory properties of (PhSe)2.

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