rs12126142

This variant is located in the IL6R gene.

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GWAS Catalog Trait Associations (9)

Genome-wide significant associations (p < 5×10⁻⁸) from the NHGRI-EBI GWAS Catalog.

high density lipoprotein cholesterol measurement

Koskeridis F et al. “Pleiotropic genetic architecture and novel loci for C-reactive protein levels.” Nature Communications 13(1):6939 (2022)
Allele A
OR 0.03
p 3.0e-22
N 361,194
Large GWAS
European

platelet volume

Loya H et al. “A scalable variational inference approach for increased mixed-model association power.” Nature Genetics 57(2):461-468 (2025)
Allele A
OR 0.01
p 7.0e-17
N 394,642
Large GWAS
European
Vuckovic D et al. “The Polygenic and Monogenic Basis of Blood Traits and Diseases.” Cell 182(5):1214-1231.e11 (2020)
Allele A
OR 0.02
p 7.0e-15
N 408,112
Large GWAS
European

phospholipids:total lipids ratio

Zoodsma M et al. “A genetic map of human metabolism across the allele frequency spectrum.” Nature Genetics 57(10):2445-2455 (2025)
Allele A
OR 0.02
p 1.0e-15
N 450,015
Large GWAS
multi-ancestry

atopic eczema

Pasanen A et al. “Identifying Atopic Dermatitis Risk Loci in 1,094,060 Individuals with Subanalysis of Disease Severity and Onset.” The Journal of Investigative Dermatology 144(11):2417-2425 (2024)
Allele A
OR 0.06
p 2.0e-14
N 1,094,060
Large GWAS
multi-ancestry
Chen Y et al. “Genome-Wide Integration of Genetic and Genomic Studies of Atopic Dermatitis: Insights into Genetic Architecture and Pathogenesis.” The Journal of Investigative Dermatology 142(11):2958-2967.e8 (2022)
Allele A
OR 0.06
p 8.0e-10
N 837,496
Large GWAS
multi-ancestry
Sliz E et al. “Uniting biobank resources reveals novel genetic pathways modulating susceptibility for atopic dermatitis.” The Journal of Allergy and Clinical Immunology 149(3):1105-1112.e9 (2022)
Allele A
OR 1.06
p 6.0e-9
N 796,661
Large GWAS
European

rheumatoid arthritis

Ha E et al. “Large-scale meta-analysis across East Asian and European populations updated genetic architecture and variant-driven biology of rheumatoid arthritis, identifying 11 novel susceptibility loci.” Annals of the Rheumatic Diseases 80(5):558-565 (2021)
Allele A
OR 0.93
p 1.0e-10
N 311,292
Meta-analysisLarge GWAS
multi-ancestry
Ishigaki K et al. “Multi-ancestry genome-wide association analyses identify novel genetic mechanisms in rheumatoid arthritis.” Nature Genetics 54(11):1640-1651 (2022)
Allele A
OR 0.94
p 2.0e-9
N 276,020
Large GWAS
multi-ancestry

platelet count

Vuckovic D et al. “The Polygenic and Monogenic Basis of Blood Traits and Diseases.” Cell 182(5):1214-1231.e11 (2020)
Allele A
OR 0.01
p 2.0e-10
N 408,112
Large GWAS
European

bilirubin measurement

Sakaue S et al. “A cross-population atlas of genetic associations for 220 human phenotypes.” Nature Genetics 53(10):1415-1424 (2021)
Allele A
OR 0.01
p 3.0e-9
N 467,170
Large GWAS
multi-ancestry

About IL6R

This gene encodes a subunit of the interleukin 6 (IL6) receptor complex. Interleukin 6 is a potent pleiotropic cytokine that regulates cell growth and differentiation and plays an important role in the immune response. The IL6 receptor is a protein complex consisting of this protein and interleukin 6 signal transducer (IL6ST/GP130/IL6-beta), a receptor subunit also shared by many other cytokines. Dysregulated production of IL6 and this receptor are implicated in the pathogenesis of many diseases, such as multiple myeloma, autoimmune diseases and prostate cancer. Alternatively spliced transcript variants encoding distinct isoforms have been identified in this gene. A pseudogene of this gene is found on chromosome 9. [provided by RefSeq, Aug 2020]

View all IL6R variants →

Gene information from NCBI Gene. Variant classifications from ClinVar.

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