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GWAS for autoimmune Addison's disease identifies multiple risk loci and highlights AIRE in disease susceptibility.


ABSTRACT: Autoimmune Addison's disease (AAD) is characterized by the autoimmune destruction of the adrenal cortex. Low prevalence and complex inheritance have long hindered successful genetic studies. We here report the first genome-wide association study on AAD, which identifies nine independent risk loci (P?-8). In addition to loci implicated in lymphocyte function and development shared with other autoimmune diseases such as HLA, BACH2, PTPN22 and CTLA4, we associate two protein-coding alterations in Autoimmune Regulator (AIRE) with AAD. The strongest, p.R471C (rs74203920, OR?=?3.4 (2.7-4.3), P?=?9.0?×?10-25) introduces an additional cysteine residue in the zinc-finger motif of the second PHD domain of the AIRE protein. This unbiased elucidation of the genetic contribution to development of AAD points to the importance of central immunological tolerance, and explains 35-41% of heritability (h2).

SUBMITTER: Eriksson D 

PROVIDER: S-EPMC7878795 | biostudies-literature | 2021 Feb

REPOSITORIES: biostudies-literature

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GWAS for autoimmune Addison's disease identifies multiple risk loci and highlights AIRE in disease susceptibility.

Eriksson Daniel D   Røyrvik Ellen Christine EC   Aranda-Guillén Maribel M   Berger Amund Holte AH   Landegren Nils N   Artaza Haydee H   Hallgren Åsa Å   Grytaas Marianne Aardal MA   Ström Sara S   Bratland Eirik E   Botusan Ileana Ruxandra IR   Oftedal Bergithe Eikeland BE   Breivik Lars L   Vaudel Marc M   Helgeland Øyvind Ø   Falorni Alberto A   Jørgensen Anders Palmstrøm AP   Hulting Anna-Lena AL   Svartberg Johan J   Ekwall Olov O   Fougner Kristian Johan KJ   Wahlberg Jeanette J   Nedrebø Bjørn Gunnar BG   Dahlqvist Per P   Knappskog Per Morten PM   Wolff Anette Susanne Bøe ASB   Bensing Sophie S   Johansson Stefan S   Kämpe Olle O   Husebye Eystein Sverre ES  

Nature communications 20210211 1


Autoimmune Addison's disease (AAD) is characterized by the autoimmune destruction of the adrenal cortex. Low prevalence and complex inheritance have long hindered successful genetic studies. We here report the first genome-wide association study on AAD, which identifies nine independent risk loci (P < 5 × 10<sup>-8</sup>). In addition to loci implicated in lymphocyte function and development shared with other autoimmune diseases such as HLA, BACH2, PTPN22 and CTLA4, we associate two protein-codi  ...[more]

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