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KMID : 1147220160170040091
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Journal of Biomedical and Translational Research
2016 Volume.17 No. 4 p.91 ~ p.96
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Tumor necrosis factor-α (TNF-α) polymorphism (-308, G/A) and autoimmune diseases: an updated meta-analysis
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Kim Young-Ock
Cho Kyu-Bong
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Abstract
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Previous studies have investigated the potential relationship between promoter polymorphism (-308, G/ A) of tumor necrosis factor (TNF)-α and various autoimmune diseases. However, results from published data were inconclusive. To verify relationship between TNF-α polymorphism (-308, G/A) and susceptibility to autoimmune diseases such as vitiligo, celiac disease, and rheumatoid arthritis, we have performed a metaanalysis with all relevant articles before October 2016. The electronic search of PubMed, google, and Embase databases was performed to identify eligible studies investigating the relationship of TNF-α polymorphism with autoimmune diseases including vitiligo, celiac disease, and rheumatoid arthritis. Genotype frequency data of TNF-α polymorphism (-308, G/A) were extracted and the meta analysis was performed by Comprehensive meta-analysis program with odds ratio (OR) and 95% confidence intervals (95% CI). Genotype models were applied with dominant and recessive models and allele model analyzed. The final analysis included 37 publication papers with a total of 6,102 autoimmune disease patients and 6,987 control subjects. In result, a statistical significant correlation between TNF-α polymorphism (-308, G/A) and susceptibility to autoimmune disease was not detected in our meta-analysis (p>0.05 in all models). Our results suggest that the TNF-α polymorphism might not be related to the development of autoimmune disease. If further results in larger studies would be accumulated in the future, this relationship would be clarified.
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KEYWORD
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meta-analysis, polymorphism, TNF-α, autoimmune disease, -308 G/A
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