rs223888

This variant is located in the CCL22 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-C motif chemokine 22 measurement

Thareja G et al. “Differences and commonalities in the genetic architecture of protein quantitative trait loci in European and Arab populations.” Human Molecular Genetics 32(6):907-916 (2023)
Allele A
OR 0.27
p 2.0e-20
N 2,935
Large GWAS
Greater Middle Eastern (Middle Eastern, North African or Persian)
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Research that mentions this SNP (1)

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Genetic polymorphism patterns suggest a genetic driven inflammatory response as pathogenesis in appendicitis
AssociationN=343Jan Dimberg et al.(2020)· International Journal of Colorectal Disease

This case-control study analyzes 28 SNPs in 26 inflammatory response genes in 343 patients (100 with appendicitis, 243 controls) using TaqMan genotyping. Significant associations were found for IL-13 rs1800925 (OR=6.02, 95% CI 1.52-23.78), IL-17 rs2275913 (OR=2.38, 95% CI 1.24-4.57), and CCL22 rs223888 (OR=0.12, 95% CI 0.02-0.90), suggesting a genetic-driven inflammatory response as a pathogenic mechanism in appendicitis.

Traits studied:Advanced appendicitisAppendicitisPhlegmonous appendicitis
PubMedDOIMetascience Observatory

About CCL22

This antimicrobial gene is one of several Cys-Cys (CC) cytokine genes clustered on the q arm of chromosome 16. Cytokines are a family of secreted proteins involved in immunoregulatory and inflammatory processes. The CC cytokines are proteins characterized by two adjacent cysteines. The cytokine encoded by this gene displays chemotactic activity for monocytes, dendritic cells, natural killer cells and for chronically activated T lymphocytes. It also displays a mild activity for primary activated T lymphocytes and has no chemoattractant activity for neutrophils, eosinophils and resting T lymphocytes. The product of this gene binds to chemokine receptor CCR4. This chemokine may play a role in the trafficking of activated T lymphocytes to inflammatory sites and other aspects of activated T lymphocyte physiology. [provided by RefSeq, Sep 2014]

View all CCL22 variants →

Gene information from NCBI Gene. Variant classifications from ClinVar.

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