13 citations
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September 2007 in “International Journal of Dermatology” This study suggests no significant association between vitamin D receptor gene polymorphisms and alopecia areata.
1 citations
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January 2017 in “The Annals of Clinical and Analytical Medicine” In this study, researchers found no significant association between VDR gene polymorphisms and the susceptibility to alopecia areata, suggesting that these genetic variations may not play a role in the disease's development.
January 2011 in “Guangdong Medical Journal” This study observed that Vitamin D receptor expression at protein and mRNA levels was significantly lower in the hair follicles of alopecia areata patients compared to healthy individuals.
29 citations
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December 2017 in “International Journal of Dermatology” This study found that vitamin D deficiency in patients with alopecia areata was associated with greater disease severity and longer duration, but not with disease pattern or vitamin D receptor expression.
January 2010 in “Seoul National University Open Repository (Seoul National University)” This study investigated vitamin D receptor expression in normal hair follicles and those affected by alopecia areata, focusing on various markers using immunohistochemical staining.