Familial Aggregation of Alopecia Areata

    Florian Anzengruber, Julia‐Tatjana Maul, Jivko Kamarachev, Ralph M. Trüeb, Lars E. French, Alexander Navarini
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    TLDR Alopecia areata, a common autoimmune hair loss condition, often runs in families.
    The document discusses alopecia areata, which is identified as the most common cause of inflammation-induced hair loss and is considered an organ-restricted, T cell-mediated autoimmune disease targeting hair follicles. It highlights that the disease is characterized by the collapse of hair follicle immune privilege, a phenomenon observed in both humans and animal models. The review also examines the role of HLA associations, other immunogenetic factors, and neuroendocrine parameters in the pathogenesis of alopecia areata. The document emphasizes the importance of alopecia areata as a model disease for studying autoimmunity and encourages greater interest in its study within the immunology community.
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