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Association between miR-146a rs2910164 polymorphism and autoimmune diseases susceptibility: a meta-analysis

Hui Fang Chen1, Ting Ting Hu, Xue Yan Zheng

  • 1Department of Epidemiology, School of Public Health and Tropical Medicine, Southern Medical University, Guangzhou, China.

Gene
|April 3, 2013
PubMed

Insights

This meta-analysis found no significant link between the microRNA-146a G/C rs2910164 polymorphism and the risk of developing autoimmune diseases. The study systematically reviewed 11 studies to assess this genetic association.

Area of Science:

  • Genetics
  • Immunology
  • Molecular Biology

Background:

  • Published data suggest a potential association between the microRNA-146a (miR-146a) G/C rs2910164 polymorphism and autoimmune disease risk.
  • Existing studies show conflicting results regarding the influence of this polymorphism on disease susceptibility.

Purpose of the Study:

  • To conduct a comprehensive meta-analysis to precisely evaluate the association between the miR-146a G/C rs2910164 polymorphism and the risk of autoimmune diseases.
  • To systematically summarize and synthesize findings from available studies to clarify the genetic contribution of this polymorphism.

Main Methods:

  • A meta-analysis was performed, pooling data from 11 independent studies.
  • Included were 2197 cases and 3042 controls, analyzing genotypes CC (recessive), CC+CG (dominant), and the C allele.
  • Fixed or random-effects models were employed based on assessed between-study heterogeneity.

Main Results:

  • The overall meta-analysis revealed no statistically significant association between the miR-146a G/C rs2910164 polymorphism and autoimmune disease risk across all genetic models.
  • Subgroup analyses by ethnicity also failed to detect any significant associations.
  • Specific conditions like Systemic Lupus Erythematosus (SLE) and Rheumatoid Arthritis (RA) did not show a significant link with the C allele.

Conclusions:

  • The meta-analysis concludes that the miR-146a G/C rs2910164 polymorphism is not associated with an increased or decreased risk of developing autoimmune diseases.
  • This finding suggests that this specific genetic variant may not play a significant role in the pathogenesis of autoimmune conditions.
  • Further research may be warranted to explore other genetic or environmental factors contributing to autoimmune disease development.

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