Abstract:Alopecia areata (AA) is a chronic, T-cell mediated autoimmune disease directed against the hair follicle, which partially evolves due to a loss of the immune privilege of the anagen hair follicle. The immune privilege is maintained by several factors, including a downregulation of MHC class I and II, local immunosupressants and expression of Fas ligand. The purpose of the study was to evaluate several factors involved in the collapse and restoration of the immune privilege. We investigated IDO1, IGF1 and red/I… Show more
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