Xiao JP, Wang XR, Zhang S, Wang HY, Ye L, Pan HF, Wang DG. Association between rs6887695 and 3'-untranslated region polymorphisms within the interleukin-12B gene and susceptibility to autoimmune diseases in Asian and European population: A meta-analysis.
Autoimmunity 2016;
49:277-84. [PMID:
27068848 DOI:
10.3109/08916934.2016.1166215]
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Abstract
BACKGROUND
The associations between rs6887695 and 3'-untranslated region (3'-UTR) single-nucleotide polymorphisms (SNPs) within interleukin-12B (IL-12B) and autoimmune diseases (ADs) remain controversial and inconclusive. The aim of this study was to evaluate the association between IL-12B (3'-UTR A/C and rs6887695 C/G SNPs) and ADs by meta-analysis.
METHODS
PubMed and EMBASE were exhaustively searched for studies on the association between IL-12B SNPs and ADs. Publication bias was examined by a funnel plot and Egger's test. The robustness of the pooled results was assessed by sensitivity analysis. A fixed- or a random-effects model was applied to calculate the pooled odds ratios (ORs).
RESULTS
A total of 34 studies were included in this meta-analysis. The pooled results demonstrated that IL-12B rs6887695 SNPs were significantly associated with the risk of ADs. However, there was no significant association between IL-12B 3'-UTR SNPs and ADs. When the studies were stratified by ethnicity, significant association between IL-12B 3'-UTR SNPs and ADs was observed in both Asian and European population. In addition, allele A within 3'-UTR of IL-12B gene was found to be a protective factor for T1DM, but a risk factor for psoriasis.
CONCLUSION
The IL-12B 3'-UTR and rs6887695 SNPs are associated with susceptibility to ADs.
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