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IPEX (immunodysregulation polyendocrinopathy enteropathy X-linked syndrome) is a rare disease linked to the dysfunction of the transcription factor FOXP3, widely considered to be the master regulator of the regulatory T cell lineage. It leads to the dysfunction of regulatory T-cells and the subsequent autoimmunity. The disorder manifests with autoimmune enteropathy, psoriasiform or eczematous dermatitis, nail dystrophy, autoimmune endocrinopathies (overlapping with those seen in APECED syndrome), and autoimmune skin conditions such as alopecia universalis and bullous pemphigoid.〔 This autoimmunity is called IPEX and it is the attack from the body's own immune system against the body's own tissues and organs. Early age onset of this disease in males causes severe enlargement of the secondary lymphoid organs, insulin dependent diabetes, eczema, food allergies, and infections. There has been limited success in treating the syndrome by bone marrow transplantation. ==See also== *Autoimmune polyendocrine syndrome *FOXP3 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「IPEX syndrome」の詳細全文を読む スポンサード リンク
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