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Quantitative assessment of the association between IL-10 -592 A/C polymorphism and Kawasaki disease risk in Chinese population: evidence from a meta-analysis

  • Xiaochun Jin (a1), Shuzhou Yin (a1), Youtao Zhang (a2) and Xu Chen (a2)

Abstract

Background

IL-10, as a proinflammatory and anti-inflammatory cytokine, has been thought to have an important role in the development of Kawasaki disease. Variation in the IL-10 gene might lead to altered protein production, which may result in Kawasaki disease. Several studies have been performed to investigate the IL-10 -592 A/C polymorphism and Kawasaki disease risk. Unfortunately, the results of previous studies were inconsistent. Therefore, we performed a meta-analysis to derive a more precise estimation of the association between the IL-10 -592 A/C polymorphism and Kawasaki disease risk.

Method

The association between the IL-10 -592 A/C polymorphism and Kawasaki disease risk was assessed by odds ratios (ORs) together with their 95% confidence intervals (CIs). Six studies were enrolled in the present meta-analysis.

Results

Overall, no significant association between IL-10 -592 A/C polymorphism and Kawasaki disease risk was found under allele contrast (A versus C: OR=0.95, 95% CI=0.77–1.18, p=0.668), homozygote comparison (AA versus CC: OR=0.86, 95% CI=0.56–1.31, p=0.475), heterozygote comparison (CA versus CC: OR=0.88, 95% CI=0.65–1.19, p=0.479), recessive genetic model (AA versus CA/CC: OR=0.96, 95% CI=0.73–1.28, p=0.801), or dominant genetic model (AA/CA versus CC: OR=0.85, 95% CI=0.64–1.13, p=0.275).

Conclusions

We conclude that IL-10 -592 A/C polymorphism was not associated with Kawasaki disease risk in the Chinese population. However, more primary large-scale and well-designed studies are still required to further evaluate the interaction of IL-10 -592 A/C polymorphism with Kawasaki disease risk.

Copyright

Corresponding author

Author for correspondence: X. Chen, Department of Clinical Laboratory, First Affiliated Hospital of Soochow University, 188 Shizi Road, Suzhou 215006, People’s Republic of China. Tel: +86 139 1359 4769; Fax: +86 139 1359 4769; E-mail: 934944882@qq.com

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