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Association of STAT4 rs7574865 polymorphism with autoimmune diseases: a meta-analysis

Liang, Ya-ling, Wu, Hua, Shen, Xi, Li, Pei-qiang, Yang, Xiao-qing, Liang, Li, Tian, Wei-hua, Zhang, Li-feng, Xie, Xiao-dong
Molecular biology reports 2012 v.39 no.9 pp. 8873-8882
alleles, arteritis, genotype, giant cells, insulin-dependent diabetes mellitus, lupus erythematosus, meta-analysis, models, noninsulin-dependent diabetes mellitus, odds ratio, patients, psoriasis, rheumatoid arthritis, sclerosis, signal transduction, single nucleotide polymorphism, thyroid diseases, transcription factors
The association between the signal transducer and activator of transcription 4 (STAT4) gene rs7574865 single nucleotide polymorphism and different autoimmune diseases remains controversial and ambiguous. We conducted this study to investigate whether combined evidence shows the association between STAT4 rs7574865 polymorphism and autoimmune diseases. Comprehensive Medline search and review of the references were used to get the relevant reports published before September 2011. Meta-analysis was conducted for genotype T/T (recessive effect), T/T + G/T (dominant effect) and T allele in random effects models. 40 studies with 90 comparisons including 32 systemic lupus erythematosus (SLE), 19 rheumatoid arthritis (RA), 3 type 1 diabetes (T1D), 11 Systemeric Sclerosis (SSc), 4 inflammatory bowed diseases (IBD), 3 Primary Sjogren’s syndrome (pSS), 4 juvenile idiopathic arthritis (JIA), 2 Primary antiphospholipid syndrome (APS), 1 Autoimmune thyroid diseases, 1 multiple sclerosis, 1 Psoriasis, 1 Wegener’s granulomatosis, 1 Type 2 diabetes, and 1 giant cell arteritis disease were available for this meta-analysis. The overall odds ratios for rs7574865 T-allele significantly increased in SLE, RA, T1D, SSc, JIA, and APS (OR = 1.56, 1.25, 1.13, 1.34, 1.25, and 2.15, respectively, P < 0.00001) and in IBD-UC and pSS (OR = 1.11 and 1.33, respectively, P < 0.05). This meta-analysis demonstrates that the STAT4 rs7574865 T allele confers susceptibility to SLE, RA, T1D, SSc, JIA, APS, IBD-UC, and pSS patients, supporting the hypothesis of association between STAT4 gene polymorphism and subgroup of autoimmune diseases.