rs1800919

This is a regulatory region variant variant in the IL1R1 gene.

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GWAS Catalog Trait Associations (1)

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

C-reactive protein measurement

Loya H et al. “A scalable variational inference approach for increased mixed-model association power.” Nature Genetics 57(2):461-468 (2025)

Allele C

OR 0.02

p 5.0e-19

N 394,642

Large GWAS

European

Han X et al. “Using Mendelian randomization to evaluate the causal relationship between serum C-reactive protein levels and age-related macular degeneration.” European Journal of Epidemiology 35(2):139-146 (2020)

Allele C

OR 0.02

p 4.0e-18

N 418,642

Large GWAS

European

About IL1R1

This gene encodes a cytokine receptor that belongs to the interleukin-1 receptor family. The encoded protein is a receptor for interleukin-1 alpha, interleukin-1 beta, and interleukin-1 receptor antagonist. It is an important mediator involved in many cytokine-induced immune and inflammatory responses. This gene is located in a cluster of related cytokine receptor genes on chromosome 2q12. [provided by RefSeq, Dec 2013]

View all IL1R1 variants →

Gene information from NCBI Gene. Variant classifications from ClinVar.

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