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Vitam Horm. 2011;86:1-21. doi: 10.1016/B978-0-12-386960-9.00001-0.

Vitamin D regulation of immune function.

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Department of Medicine and Dermatology, Veterans Affairs Medical Center, University of California, San Francisco, California, USA.


Although the best known actions of vitamin D involve its regulation of bone mineral homeostasis, vitamin D exerts its influence on many physiologic processes. One of these processes is the immune system. Both the adaptive and innate immune systems are impacted by the active metabolite of vitamin D, 1,25(OH)(2)D. These observations have important implications for understanding the predisposition of individuals with vitamin D deficiency to infectious diseases such as tuberculosis as well as to autoimmune diseases such as type 1 diabetes mellitus and multiple sclerosis. However, depending on the disease process not all actions of vitamin D may be beneficial. In this review, I examine the regulation by 1,25(OH)(2)D of immune function, then assess the evidence implicating vitamin D deficiency in human disease resulting from immune dysfunction.

[Indexed for MEDLINE]

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