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Genome-wide association study of circulating interleukin 6 levels identifies novel loci
Journal article   Open access   Peer reviewed

Genome-wide association study of circulating interleukin 6 levels identifies novel loci

T.S. Ahluwalia, B.P. Prins, M. Abdollahi, N.J. Armstrong, S. Aslibekyan, L. Bain, B. Jefferis, J. Baumert, M. Beekman, Y. Ben-Shlomo, …
Human Molecular Genetics, Vol.30(5), pp.393-409
2021
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Abstract

Interleukin 6 (IL-6) is a multifunctional cytokine with both pro- and anti-inflammatory properties with a heritability estimate of up to 61%. The circulating levels of IL-6 in blood have been associated with an increased risk of complex disease pathogenesis. We conducted a two-staged, discovery and replication meta genome-wide association study (GWAS) of circulating serum IL-6 levels comprising up to 67 428 (ndiscovery = 52 654 and nreplication = 14 774) individuals of European ancestry. The inverse variance fixed effects based discovery meta-analysis, followed by replication led to the identification of two independent loci, IL1F10/IL1RN rs6734238 on chromosome (Chr) 2q14, (Pcombined = 1.8 × 10−11), HLA-DRB1/DRB5 rs660895 on Chr6p21 (Pcombined = 1.5 × 10−10) in the combined meta-analyses of all samples. We also replicated the IL6R rs4537545 locus on Chr1q21 (Pcombined = 1.2 × 10−122). Our study identifies novel loci for circulating IL-6 levels uncovering new immunological and inflammatory pathways that may influence IL-6 pathobiology.

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Citation topics
1 Clinical & Life Sciences
1.189 Genome Studies
1.189.455 Genome-Wide Association Studies
Web Of Science research areas
Biochemistry & Molecular Biology
Genetics & Heredity
ESI research areas
Molecular Biology & Genetics
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