Document Type: Original Article

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Abstract

Background: Alopecia Areata (AA) is an autoimmune disease affecting hair follicles. Although many details are well specified in the pathogenesis of the disease, there exist certain aspects which require more investigations. Given the fact that the increase in Th-1 immunity is the essential part of the pathogenesis, the incrimination of osteopontin, as a Th-1 cytokine, is considered appropriate in the pathogenesis of the disease. The aim of the present research was to evaluate the role of osteopontin in alopecia areata and its correlation with disease pattern and severity. Methods: This case-control study consisted of 45 patients with alopecia areata and 45 health

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