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Vitamin D's Effect on Immune Function.

Pieter-Jan Martens1, Conny Gysemans1, Annemieke Verstuyf1

  • 1Clinical and Experimental Endocrinology (CEE), KU Leuven. Campus Gasthuisberg O&N1, Herestraat 49, box 902, 3000 Leuven, Belgium.

Nutrients
|May 2, 2020
PubMed
Summary
This summary is machine-generated.

Vitamin D

Keywords:
1,25-(OH)2D3Vitamin Dautoimmune diseaseimmune systeminfectious diseasemultiple sclerosisrheumatoid arthritistype 1 diabetes

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Area of Science:

  • Immunology
  • Endocrinology
  • Nutritional Science

Background:

  • The active form of vitamin D, 1,25-dihydroxyvitamin D3 (1,25-(OH)2D3), has expanding roles beyond bone health.
  • Vitamin D receptors are present on most immune cells, suggesting a significant role in immune function.

Purpose of the Study:

  • This review focuses on the extra-skeletal effects of vitamin D, particularly its impact on the immune system.
  • To synthesize current understanding of vitamin D's role in immunity and clinical relevance.

Main Methods:

  • Review of in vitro studies on vitamin D's effects on immune cells.
  • Analysis of clinical evidence linking vitamin D status to health outcomes.

Main Results:

  • In vitro studies show potent effects of high-dose vitamin D on immune components.
  • Clinical translation of these in vitro findings into significant therapeutic benefits has been limited.
  • Strong evidence links vitamin D deficiency to adverse health outcomes, especially in early life.

Conclusions:

  • While direct clinical benefits from high-dose vitamin D supplementation are not consistently proven, avoiding deficiency is crucial.
  • Maintaining adequate vitamin D levels, particularly during early development, is essential for preventing adverse health outcomes.
  • Further research is needed to fully elucidate the clinical applications of vitamin D in immune health.