Matrix metalloproteinase-1 gene polymorphisms and periodontitis susceptibility: A meta-analysis based on 11 case-control studies |
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Authors: | Tiezhou Hou Ling Gao Jingjing Zheng Zhongqi Liu Cuiyan Wu Qing Liu Shixun Wu Xiong Guo |
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Institution: | 1. Department of Endodontics, Stomatological Hospital, College of Medicine, Xi''an Jiaotong University, No. 98 Xiwu Road, Xincheng District, Xi''an, Shaanxi 710004, PR China;2. Faculty of Public Health, Medicine College of Xi''an Jiaotong University, Xi''an, Shaanxi 710061, PR China;3. Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi''an, Shaanxi 710061, PR China;4. Key Laboratory of Trace elements and Endemic Diseases, Ministry of Health, Xi''an, Shaanxi 710061, PR China;5. Department of Oral Maxillofacial Surgery, Stomatological Hospital, College of Medicine, Xi''an Jiaotong University, No. 98 Xiwu Road, Xincheng District, Xi''an, Shaanxi 710004, PR China |
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Abstract: | Matrix metalloproteinase-1 has been implicated in periodontal disease, but the association between the most-studied Matrix metalloproteinase-1 1G-to-2G polymorphism and the risk of periodontal disease were reported with inconclusive results. Therefore, the aim of this study was to investigate the association between the Matrix metalloproteinase-1 1G-to-2G polymorphism and periodontal disease. Electronic databases search yielded 11 studies with 1447 patients and 1710 control subjects evaluated the association of the polymorphisms of Matrix metalloproteinase-1 1G-to-2G and periodontitis risk were brought into this study. The association was evaluated by odds ratio (OR) and its 95% confidence interval (CI). The overall results showed that the variant genotypes were associated with a significantly increased risk of periodontitis (OR = 1.45, 95% CI = 1.02–1.26 for 2G/2G vs 1G/1G, and OR = 2.27, 95% CI = 1.22–4.23 for 2G/2G vs 1G/2G + 1G/1G). In the stratified analyses, there was a significantly increased risk for the studies of periodontitis (OR = 1.59, 95% CI = 1.15–2.21 for 2G/2G vs 1G/1G; OR = 3.48, 95% CI = 1.39–8.71 for 2G/2G vs 1G/2G + 1G/1G), which remained for the studies of Asian populations. And there was a significantly increased risk of severe periodontitis (OR = 2.15, 95% CI = 1.35–3.43 for 2G/2G vs 1G/1G; OR = 2.86, 95% CI = 1.31–2.64 for 2G/2G vs 1G/2G + 1G/1G; OR = 1.6, 95% CI = 1.12–2.39 for 1G/2G + 2G/2G vs 1G/1G; OR = 1.61, 95% CI = 1.28–2.03 for 2G allele vs 1G allele). The current study demonstrated that the Matrix metalloproteinase-1-1607 1G-to-2G polymorphism was associated with susceptibility to periodontitis, apparently, severe periodontitis. |
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Keywords: | MMPs Matrix metalloproteinases ECM extracellular matrix MMP-1 Matrix metalloproteinase-1 SNPs single nucleotide polymorphisms CP chronic periodontitis AgP aggressive periodontitis OR odds ratio HWE Hardy&ndash Weinberg equilibrium CIs confidence intervals |
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