Терапия волос и трансплантация
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Etiopathogenesis of Alopecia Areata

Yasmeen J Bhat, Peerzada Sajad and Iffat Hassan

Alopecia areata (AA) is a recurrent, non-scarring type of hair loss affecting the hair follicles and sometimes the nails. Current evidence indicates that hair follicle inflammation in alopecia areata is caused by a T-cell mediated autoimmune mechanism occurring in genetically predisposed individuals. Environmental factors like infections, diet, vaccination and stress may be responsible for triggering the disease. The association between alopecia areata and other autoimmune diseases suggests that alopecia areata is itself an autoimmune disease. Recently many cytokines have been implicated in the pathogenesis of AA and these are focused upon in this article.