ArticleArthritis research & therapy2024
Gout-associated SNP at the IL1RN-IL1F10 region is associated with altered cytokine production in PBMCs of patients with gout and controls.
Article in Arthritis research & therapy, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Advances in the management of gout: From current strategies to emerging therapies.The Journal of international medical research · 2026Review
- Gouty inflammation: genetic mechanisms towards flare therapy.Current opinion in rheumatology · 2025Review
- Correlations Between Immuno-Inflammatory Biomarkers and Hematologic Indices Stratified by Immunologic SNP Genotypes.Journal of clinical medicine · 2025Article
- Research progress on the mechanisms of interleukin and chemokine families in driving calcium oxalate nephrolithiasis formation.Frontiers in immunology · 2025Review
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14 authors.
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Abstract
objectivesGout is caused by the response of the innate immune system to monosodium urate (MSU) crystals. A recent gout GWAS identified a signal of genetic association at a locus encompassing IL1RN-IL1F10. Colocalisation analysis using Genotype Tissue Expression Database (GTEx) eQTL data showed that the signal overlaps with genetic control of IL1RN/IL1F10 gene expression. We assess the functional implications of IL1RN rs9973741, the lead gout-associated variant.
methodsWe conducted functional validation of IL1RN rs9973741 in patients with gout and controls. The transcription level of IL1RN/IL1F10 was investigated in unstimulated or MSU-crystal co-stimulated PBMCs. Ex vivo functional assays were performed in PBMCs stimulated with C16 + MSU crystals or LPS for 24 h. Cytokine levels were assessed by ELISA.
resultsIn unstimulated PBMCs, no association of IL1RN rs9973741 (gout risk allele G) to IL1RN expression was observed while IL-1F10 was hindered by low expression at both transcriptional and protein levels. However, G allele carriers showed lower IL1RN expression in PBMCs stimulated with C16/MSU crystal and lower concentrations of circulating IL-1Ra in both controls and gout patients. PBMCs depicted less spontaneous IL-1Ra release in GG homozygous controls and lower IL-1Ra production in response to C16 + MSU crystal costimulation in patients with gout. The G allele was associated with elevated IL-1β cytokine production in response to C16 + MSU crystal stimulation in controls.
conclusionsThe gout risk allele G associates with lower circulating IL-1Ra, lower IL-1Ra production in PBMC assays and elevated IL-1β production in PBMCs challenged with C16 + MSU crystals but not in unchallenged cells. Our data indicate that the genetic signal that associates with gout at IL1RN-IL1F10 region functions to alter expression of IL-1Ra when stimulated by MSU crystals.
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