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Selenium in the immune system.

John R Arthur1, Roderick C McKenzie, Geoffrey J Beckett

  • 1Division of Cellular Integrity, Rowett Research Institute, Bucksburn, Aberdeen AB21 9SB, UK. j.arthur@rri.sari.ac.uk

The Journal of Nutrition
|May 6, 2003
PubMed
Summary
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Selenium is vital for selenoproteins, impacting cell functions and potentially the immune system. Further research into selenoprotein functions is needed to fully understand their role in immunity.

Area of Science:

  • Biochemistry
  • Immunology
  • Cell Biology

Background:

  • Selenium is an essential trace element crucial for selenoproteins.
  • Selenoproteins play roles in various cellular biochemical and functional processes.
  • There is significant potential for selenium to modulate immune system activity.

Purpose of the Study:

  • To explore the influence of selenium on immune system function.
  • To highlight the role of selenoproteins in cellular processes relevant to immunity.

Main Methods:

  • Review of existing literature on selenium and selenoproteins.
  • Analysis of the biochemical functions of known selenoproteins.
  • Discussion of potential mechanisms of selenium's immune effects.

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Main Results:

  • Selenium is integral to selenocysteine-containing proteins.
  • Selenoproteins are involved in fundamental cell biochemistry and function.
  • Antioxidant selenoproteins like glutathione peroxidases may protect immune cells.

Conclusions:

  • Selenium's influence on the immune system is substantial.
  • A comprehensive understanding of all selenoprotein functions is necessary to elucidate their complete role in maintaining optimal immune function.