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The effect of calorie restriction on acute ethanol-induced oxidative and nitrosative liver injury in rats

Authors
Journal
Environmental Toxicology and Pharmacology
1382-6689
Publisher
Elsevier
Volume
36
Issue
2
Identifiers
DOI: 10.1016/j.etap.2013.04.002
Keywords
  • Calorie Restriction
  • Liver
  • Oxidative Stress
  • Ethanol
  • Rats
Disciplines
  • Biology

Abstract

Abstract The aim of our study was to examine the effect of calorie restriction (CR) on oxidative and nitrosative liver injury in rats, induced by acute ethanol intoxication. Male Wistar rats were divided into groups: (1) control; (2) calorie-restricted groups with intake of 60–70% (CR60–70) and 40–50% of daily energy needs (CR40–50); (3) ethanol-treated group (E); (4) calorie-restricted, ethanol-treated groups (E+CR60–70 and E+CR40–50). Ethanol was administered in 5 doses of 2g/kg every 12h, and duration of CR was 5 weeks before ethanol treatment. Malondialdehyde and nitrite and nitrate level were significantly lower in E+CR60–70 and higher in E+CR40–50 vs. E group. Liver reduced glutathione content and activity of both superoxide dismutase izoenzymes were significantly higher in E+CR60–70 and lower in E+CR40–50 vs. E group. Oxidative stress may be a potential mechanism of hormetic effects of CR on acute ethanol-induced liver injury.

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