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Nutr Rev. 2000 Dec;58(12):363-9.

New approaches to assess selenium status and requirement.

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Université Libre de Bruxelles, Institut de Pharmacie, Belgium.


Selenium is one of the essential nutrients that may have beneficial effects on health at dietary intakes higher than the established Recommended Dietary Allowances in the United States. Dietary recommendations for this element have been the subject of much controversy, illustrating the difficulties involved in the definition of requirements based on the interpretation of biochemical markers. This review will show how concepts may differ and even change as a consequence of the evolution of the knowledge concerning classical parameters (e.g., identification of isoforms of the classical selenium-dependent enzyme glutathione peroxidase) or following the discovery of new biologic markers for selenium such as iodothyronine desiodinase, thioredoxin reductase, or the selenoproteins P and W.

[Indexed for MEDLINE]

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