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Mol Biol Rep. 2012 Jun;39(6):6851-5. doi: 10.1007/s11033-012-1510-6. Epub 2012 Feb 4.

Association of the interleukin-10 1082G/A, 819C/T and 3575T/A gene polymorphisms with systemic sclerosis: a meta-analysis.

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Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, Anhui, People's Republic of China.


Many environmental and genetic factors have been contributed to the development of systemic sclerosis (SSc). To determine whether IL-10 gene polymorphisms are associated with SSc, we conducted a meta-analysis approach. A total of eight studies involving 1,034 SSc cases and 1,815 controls were obtained by electronic database, i.e. Embase, Blackwell, Scopus, China National Knowledge Infrastructure database, Chinese Biomedical database, Google searching. We analyzed three gene polymorphisms, including IL-10 -1082G/A (rs1800896), IL-10 -819C/T (rs1800871), IL-10 -3575T/A (rs1800890). The combined odds ratio (OR) with its 95% confidence interval (95% CI) was calculated using fixed or random effect models. We found that IL-10 819C allele might contribute to SSc susceptibility by fixed effect model and IL-10 3575A allele could be an important risk factor for SSc, especially in European descent. No significant heterogeneity were observed. Under random effect model, there was no evidence of statistically significant association between IL-10 1082G/A polymorphism and SSc. Publication bias was absent in all analyses. However, larger scale primary studies are required to further evaluate the IL-10 polymorphism and SSc.

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