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Cytokine. 2012 Oct;60(1):47-54. doi: 10.1016/j.cyto.2012.05.014. Epub 2012 Jun 12.

Interleukin-10 gene polymorphisms and chronic/aggressive periodontitis susceptibility: a meta-analysis based on 14 case-control studies.

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  • 1Laboratory of Oral Infection and Immunology, Institute of Stomatology, Nanjing Medical University, Nanjing, Jiangsu, China.


Interleukin-10 (IL-10) has been described as an anti-inflammatory cytokine and IL-10 gene polymorphisms was associated with altered interleukin-10 levels, therefore, we aimed to conduct a meta-analysis assessing the association of IL-10 genetic polymorphisms with the risk of both chronic periodontitis (CP) and aggressive periodontitis (AgP). Electronic databases were acquired from PubMed, Embase, the Sinomed and WANFANG. Fourteen studies with 1438 patients and 1303 control subjects investigated the association of the three single-nucleotide polymorphisms (SNPs) of IL-10 (-1082A>G, -819C>T, -592C>A) and chronic/aggressive periodontitis risk were brought into this study. We found that there was no association between IL-10 -1082 gene polymorphism and periodontitis risk (either CP or AgP), even when we separately investigated sub-group analysis among Caucasians. The -819 polymorphism seemed to be a genetic risk factor to CP among Caucasians (T allele vs. C allele: OR=1.55, 95%CI=1.07-2.24; CT vs. CC: OR=1.64, 95%CI=1.00-2.67). When excluding one study deviated from HWE, the results showed that the T allele carriers had a significantly risk of CP in overall population (T allele vs. C allele: OR=1.23, 95%CI=1.03-1.48). Furthermore, the results of this meta-analysis showed that -592 polymorphism was associated with a significantly increased risk of CP (A allele vs. C allele: OR=1.38, 95%CI=1.04-1.85; AA vs. CA+CC: OR=1.39, 95%CI=1.05-1.85 for overall analysis; A allele vs. C allele: OR=1.97, 95%CI=1.36-3.86; AA vs. CC: OR=3.70, 95%CI=1.32-10.39; CA vs. CC: OR=2.22, 95%CI=1.36-3.64, AA+CA vs. CC: OR=2.35, 95%CI=1.46-3.79 for Caucasian descent analysis). This meta-analysis suggested that IL-10 -819 and -592 gene polymorphisms were associated with CP, especially among Caucasians. Further research is needed to assess possible gene-gene or gene-environment-lifestyle interactions on periodontal disease..

Copyright © 2012 Elsevier Ltd. All rights reserved.

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