Journal of the neurological sciences
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Vitamin D has been studied for over a century and its functions related to calcium homeostasis are well established. Over the last 30 years or so it has become increasingly clear that it has a wider role in physiology and, importantly, also in disease. ⋯ Recent technological advances have provided major insights as to how vitamin D may exert its role, particularly through the actions of the vitamin D receptor (VDR). In this review we aim to highlight the importance of the interaction between vitamin D and MS associated genes which provide a biological basis for the association between vitamin D and MS risk.