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Abstract Title:

Effect of selenium pre-treatment on plasma antioxidant vitamins A (retinol) and E (α-tocopherol) in static magnetic field-exposed rats.

Abstract Source:

Toxicol Ind Health. 2011 Nov ;27(10):949-55. Epub 2011 Apr 19. PMID: 21505001

Abstract Author(s):

Soumaya Ghodbane, Salem Amara, Josiane Arnaud, Catherine Garrel, Henri Faure, Alain Favier, Mohsen Sakly, Hafedh Abdelmelek

Article Affiliation:

Soumaya Ghodbane

Abstract:

In the present study, we evaluate the effect of the co-exposure to static magnetic field (SMF) and selenium (Se) on the antioxidant vitamins A and E levels and some other parameters of oxidative stress in rat. Sub-acute exposure of male adult rats to a uniform SMF (128 mT, 1 h/day during 5 consecutive days) increased plasma activity of glutathione peroxidase (+35%) but decreasedα-tocopherol (-67%) and retinol levels (-41%). SMF exposure failed to alter the plasmatic thiobarbituric acid-reactive species (TBARs), total thiol groups and selenium concentrations. Sub-chronic administration of Se (Na(2)SeO(3), 0.2 mg/L, for 30 consecutive days, per os) ameliorated the antioxidant capacities in SMF-treated rats. Our investigation demonstrated that sub-acute exposure to SMF induced oxidative stress, which may be prevented by a pretreatment with selenium.

Study Type : Animal Study

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