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  • Title: Associations between TNFAIP3 Polymorphisms and Rheumatoid Arthritis: A Systematic Review and Meta-Analysis Update with Trial Sequential Analysis.
    Author: Lee YH, Song GG.
    Journal: Public Health Genomics; 2022 Sep 12; ():1-11. PubMed ID: 36096098.
    Abstract:
    INTRODUCTION: The tumor necrosis factor alpha inducible protein 3 (TNFAIP3) gene produces ubiquitin-editing protein A20, which inhibits nuclear factor-κB (NF-κB) activation in a variety of signaling pathways. We examined the association between TNFAIP3 polymorphisms and rheumatoid arthritis (RA) susceptibility. METHODS: MEDLINE, Embase, Scopus, and Web of Science were searched for available articles on TNFAIP3 polymorphisms in RA patients from inception until July 11, 2022. We included case-control studies on the association between rs2230926 and rs5029937 polymorphisms of TNFAIP3 and RA, and we excluded studies that contained overlapping data. We scored the quality of each study included based on the Newcastle-Ottawa Scale. Meta-analyses evaluated the association between TNFAIP3 polymorphisms and RA susceptibility in diverse ethnic populations and was verified through trial sequential analysis (TSA). This meta-analysis was registered in the PROSPERO register (number: CRD42022345160). There was no funding source. RESULTS: Seventeen studies were chosen for meta-analysis. Ten studies for rs2230926, and seven for rs5029937. An association was noted between TNFAIP3 rs2230926 G allele and RA in all subjects (odds ratio [OR] = 1.389; 95% confidence interval [CI] = 1.161-1.662; p < 0.001). Ethnicity-specific analysis showed significant association of rs2230926 G allele with RA in Europeans and Asians (OR = 1.642; 95% CI = 1.099-2.452; p = 0.015; OR = 1.404; 95% CI = 1.262-1.562; p < 0.001). An association was also noted between TNFAIP3 rs5029937 T allele and RA in all subjects (OR = 1.389; 95% CI = 1.207-1.785; p < 0.001). An ethnicity-specific meta-analysis revealed a significant association of the rs5029937 T allele with RA in Europeans and Asians. Dominant model analysis showed the same pattern for TNFAIP3 rs2230926 G and rs5029937 T alleles in Europeans and Asians, suggesting an association between rs2230926 G and rs5029937. TSA indicated a robust association between the TNFAIP3 polymorphisms and the risk of RA. CONCLUSION: TNFAIP3 rs2230926 and rs5029937 polymorphisms are associated with RA susceptibility in European and Asian populations. However, the data were not stratified by parameters such as rheumatoid factor status, disease activity, or environmental variables.
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