Impact of dietary restriction on peroxidative effects of nickel chloride in wistar rats.
Identifieur interne : 000530 ( Main/Exploration ); précédent : 000529; suivant : 000531Impact of dietary restriction on peroxidative effects of nickel chloride in wistar rats.
Auteurs : N. Hfaiedh [Tunisie] ; M S Allagui ; S. Carreau ; L. Zourgui ; A. Feki ; F. CrouteSource :
- Toxicology mechanisms and methods [ 1537-6524 ] ; 2008.
Abstract
ABSTRACT The purpose of this study, carried out in Wistar rats, was to evaluate the protective effect of dietary restriction (performed by intermittent fasting) against oxidative stress induced by a low concentration of nickel chloride in kidney, liver, uterus, and ovary. Lipid peroxidation (TBARS), catalase activity, and the levels of vitamins E and A in the blood were investigated in rats feed for 1 month either daily (N) or 1 day over two (intermittent fasting, IF) and then injected (NNi, IFNi) or not with nickel chloride (30 mumoles/kg body weight/day) for 10 days. Ni induced a significant increase of TBARS in organs of N rats. Intermittent fasting alone or associated to nickel treatment did not result in TBARS change in IF and IFNi rats. Catalase activity levels were found to be similar in N and IF rats. In Ni-treated rats a transient increase of catalase activity appeared at day 1 in the kidney and days 1 and 3 in the liver. Then, catalase activity was found to be inhibited until day 10. In the uterus and ovary, catalase activity was always found to be inhibited. In IFNi rats, no significant increase of catalase activity was observed as compared to IF rats. Vitamin E was inhibited from the 1st to the 10th day in Ni rats, whereas no significant changes were noted in IFNi rats. A moderate decrease of vitamin A was only found at days 1 and 3 in Ni rats. In conclusion, intermittent fasting is able to protect from oxidative stress induced by low concentration of Ni, but catalase and Vitamins E and A do not seem to be involved.
DOI: 10.1080/15376510802338766
PubMed: 20020860
Affiliations:
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Hfaiedh</name><affiliation wicri:level="1"><nlm:affiliation>Unité de recherche Biochimie macromoléculaire et génétique, Faculté des sciences, Gafsa,, Tunisie.</nlm:affiliation><country xml:lang="fr">Tunisie</country><wicri:regionArea>Unité de recherche Biochimie macromoléculaire et génétique, Faculté des sciences, Gafsa,</wicri:regionArea><wicri:noRegion></wicri:noRegion></affiliation></author><author><name sortKey="Allagui, M S" sort="Allagui, M S" uniqKey="Allagui M" first="M S" last="Allagui">M S Allagui</name></author><author><name sortKey="Carreau, S" sort="Carreau, S" uniqKey="Carreau S" first="S" last="Carreau">S. Carreau</name></author><author><name sortKey="Zourgui, L" sort="Zourgui, L" uniqKey="Zourgui L" first="L" last="Zourgui">L. Zourgui</name></author><author><name sortKey="Feki, A" sort="Feki, A" uniqKey="Feki A" first="A" last="Feki">A. Feki</name></author><author><name sortKey="Croute, F" sort="Croute, F" uniqKey="Croute F" first="F" last="Croute">F. Croute</name></author></analytic><series><title level="j">Toxicology mechanisms and methods</title><idno type="eISSN">1537-6524</idno><imprint><date when="2008" type="published">2008</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">ABSTRACT The purpose of this study, carried out in Wistar rats, was to evaluate the protective effect of dietary restriction (performed by intermittent fasting) against oxidative stress induced by a low concentration of nickel chloride in kidney, liver, uterus, and ovary. Lipid peroxidation (TBARS), catalase activity, and the levels of vitamins E and A in the blood were investigated in rats feed for 1 month either daily (N) or 1 day over two (intermittent fasting, IF) and then injected (NNi, IFNi) or not with nickel chloride (30 mumoles/kg body weight/day) for 10 days. Ni induced a significant increase of TBARS in organs of N rats. Intermittent fasting alone or associated to nickel treatment did not result in TBARS change in IF and IFNi rats. Catalase activity levels were found to be similar in N and IF rats. In Ni-treated rats a transient increase of catalase activity appeared at day 1 in the kidney and days 1 and 3 in the liver. Then, catalase activity was found to be inhibited until day 10. In the uterus and ovary, catalase activity was always found to be inhibited. In IFNi rats, no significant increase of catalase activity was observed as compared to IF rats. Vitamin E was inhibited from the 1st to the 10th day in Ni rats, whereas no significant changes were noted in IFNi rats. A moderate decrease of vitamin A was only found at days 1 and 3 in Ni rats. In conclusion, intermittent fasting is able to protect from oxidative stress induced by low concentration of Ni, but catalase and Vitamins E and A do not seem to be involved.</div></front></TEI><affiliations><list><country><li>Tunisie</li></country></list><tree><noCountry><name sortKey="Allagui, M S" sort="Allagui, M S" uniqKey="Allagui M" first="M S" last="Allagui">M S Allagui</name><name sortKey="Carreau, S" sort="Carreau, S" uniqKey="Carreau S" first="S" last="Carreau">S. Carreau</name><name sortKey="Croute, F" sort="Croute, F" uniqKey="Croute F" first="F" last="Croute">F. Croute</name><name sortKey="Feki, A" sort="Feki, A" uniqKey="Feki A" first="A" last="Feki">A. Feki</name><name sortKey="Zourgui, L" sort="Zourgui, L" uniqKey="Zourgui L" first="L" last="Zourgui">L. Zourgui</name></noCountry><country name="Tunisie"><noRegion><name sortKey="Hfaiedh, N" sort="Hfaiedh, N" uniqKey="Hfaiedh N" first="N" last="Hfaiedh">N. 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