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- Title
Meta-analysis of genome-wide association studies identifies three new risk loci for atopic dermatitis.
- Authors
Paternoster, Lavinia; Standl, Marie; Chen, Chih-Mei; Ramasamy, Adaikalavan; Bønnelykke, Klaus; Duijts, Liesbeth; Ferreira, Manuel A; Alves, Alexessander Couto; Thyssen, Jacob P; Albrecht, Eva; Baurecht, Hansjörg; Feenstra, Bjarke; Sleiman, Patrick M A; Hysi, Pirro; Warrington, Nicole M; Curjuric, Ivan; Myhre, Ronny; Curtin, John A; Groen-Blokhuis, Maria M; Kerkhof, Marjan
- Abstract
Atopic dermatitis (AD) is a commonly occurring chronic skin disease with high heritability. Apart from filaggrin (FLG), the genes influencing atopic dermatitis are largely unknown. We conducted a genome-wide association meta-analysis of 5,606 affected individuals and 20,565 controls from 16 population-based cohorts and then examined the ten most strongly associated new susceptibility loci in an additional 5,419 affected individuals and 19,833 controls from 14 studies. Three SNPs reached genome-wide significance in the discovery and replication cohorts combined, including rs479844 upstream of OVOL1 (odds ratio (OR) = 0.88, P = 1.1 × 10?13) and rs2164983 near ACTL9 (OR = 1.16, P = 7.1 × 10?9), both of which are near genes that have been implicated in epidermal proliferation and differentiation, as well as rs2897442 in KIF3A within the cytokine cluster at 5q31.1 (OR = 1.11, P = 3.8 × 10?8). We also replicated association with the FLG locus and with two recently identified association signals at 11q13.5 (rs7927894; P = 0.008) and 20q13.33 (rs6010620; P = 0.002). Our results underline the importance of both epidermal barrier function and immune dysregulation in atopic dermatitis pathogenesis.
- Subjects
ATOPIC dermatitis; GENOMES; META-analysis; COHORT analysis; GENETICS
- Publication
Nature Genetics, 2012, Vol 44, Issue 2, p187
- ISSN
1061-4036
- Publication type
Article
- DOI
10.1038/ng.1017