Autosomal-dominant primary immunodeficiencies

Tatiana Lawrence, Anne Puel, Janine Reichenbach, Cheng Lung Ku, Ariane Chapgier, Ellen Renner, Véronique Minard-Colin, Marie Ouachée, Jean Laurent Casanova

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Résumé

The vast majority of known primary immunodeficiencies (PIDs) are autosomal or X-linked recessive Mendelian traits. Only four classical primary immunodeficiencies are thought to be autosomal-dominant, three of which still lack a well-defined genetic etiology: isolated congenital asplenia, isolated chronic mucocutaneous candidiasis, and hyper IgE syndrome. The large deletions on chromosome 22q11.2 associated with Di George syndrome suggest that this disease may be dominant but not Mendelian, possibly involving several genes. The clinical and genetic features of six novel autosomal-dominant primary immunodeficiencies have however been described in recent years. These primary immunodeficiencies are caused by germline mutations in seven genes: ELA2, encoding a neutrophil elastase, and GFI1, encoding a regulator of ELA2 (mutations associated with severe congenital neutropenia); CXCR4, encoding a chemokine receptor (warts, hypogammaglobulinemia, infections and myelokathexis syndrome); LCRR8, encoding a key protein for B-cell development (agammaglobulinemia); IFNGR1, encoding the ligand-binding chain of the interferon-γ receptor; STAT1, encoding the signal transducer and activator of transcription 1 downstream from interferon-γR1 (Mendelian susceptibility to mycobacterial diseases); and IKBA, encoding IκBα, the inhibitor α of NF-κB (anhidrotic ectodermal dysplasia with immunodeficiency). These recent data suggest that many more autosomal-dominant PIDs are likely to be identified in the near future.

langue originaleAnglais
Pages (de - à)22-30
Nombre de pages9
journalCurrent Opinion in Hematology
Volume12
Numéro de publication1
Les DOIs
étatPublié - 1 janv. 2005
Modification externeOui

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