An autoimmune disease, APECED, caused by mutations in a novel gene featuring two PHD-type zinc-finger domains

Authors:
  • JAJohanna Aaltonen
    Johanna Aaltonen
  • PBPetra Björses
    Petra Björses
  • JPJaakko Perheentupa
    Jaakko Perheentupa
  • NHNina Horelli–Kuitunen
    Nina Horelli–Kuitunen
  • APAarno Palotie
    Aarno Palotie
  • YLYeon Su Lee
    Yeon Su Lee
  • FFFiona Francis
    Fiona Francis
  • SHSteffen Henning
    Steffen Henning
  • CTCora Thiel
    Cora Thiel
  • HLHans Leharach
    Hans Leharach

Abstract
Autoimmune polyendocrinopathy-candidiasis-ectodermal dystrophy (APECED) is the only described systemic autoimmune disease with established monogenic background, and the first autoimmune disorder localized outside the major histocompatibility complex (MHC) region. The primary biochemical defect in APECED is unknown. We have isolated a novel gene, AIRE, encoding for a putative nuclear protein featuring two PHD-type zinc-finger motifs, suggesting its involvement in transcriptional regulation. Five mutations in AIRE are reported in individuals with this disorder. This is the first report of a single-gene defect causing a systemic human autoimmune disease, providing a tool for exploring the molecular basis of autoimmunity.

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