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Type: Artigo de periódico
Title: Oxidative stress during rehabilitation from protein malnutrition associated with aerobic exercise in rats
Author: Prada, FJA
Macedo, DV
de Mello, MAR
Abstract: This study was designed to evaluate biomarkers of oxidative stress in rats with or without aerobic exercise during recovery from protein malnutrition. From the 30(th) to the 90(th) day of life, male Wistar rats were fed a low protein diet (LP + 6%) followed by a normal protein diet (NP = 17%) until the 120(th) day and separated in two groups: sedentary (S) and exercise trained (E = swimming 1h/day, 5 days/Week, with from the 90(th) to the 120(th) day). Rats fed a normal protein diet were used as controls. Results showed that physical exercise had beneficial effects on body weight gain during nutrition rehabilitation. Erythrocytes catalase and glutathione reductase (biomarkers of the antioxidant system) were significantly reduced in all groups in comparison to the sedentary control group. The plasma concentration of TBARs (biomarkers of the oxidative damage) was also lower in the recovered rats, suggesting that the improvement in body growth after nutritional rehabilitation with physical exercise could be related to a decrease in the oxidative stress level.
Subject: protein malnutrition
nutritional recovery
oxidative stress
Country: Brasil
Editor: Inst Tecnologia Parana
Rights: aberto
Identifier DOI: 10.1590/S1516-89132007000100006
Date Issue: 2007
Appears in Collections:Unicamp - Artigos e Outros Documentos

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