Rare gene variant implicates vitamin D in cause of multiple sclerosis

Calcitriol (1,25-dihydroxycholecalciferol). Ac...Image via Wikipedia
(Medical Xpress) -- A rare genetic variant (CYP27B1) appears to be directly and causally linked to Multiple sclerosis . CYP27B1 synthesizes 1alpha,25-dihydroxyvitamin D3, the active form of vitamin D3, which binds to the vitamin D receptor and regulates calcium metabolism
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