Association between tumor necrosis factor-alpha promoter -308 A/G,-238 A/G, interleukin-6 -174 G/C and -572 G/C polymorphisms and periodontal disease: a meta-analysis
- Authors
- Song, Gwan Gyu; Choi, Sung Jae; Ji, Jong Dae; Lee, Young Ho
- Issue Date
- 8월-2013
- Publisher
- SPRINGER
- Keywords
- TNF-alpha; IL-6; Polymorphism; Periodontitis; Meta-analysis
- Citation
- MOLECULAR BIOLOGY REPORTS, v.40, no.8, pp.5191 - 5203
- Indexed
- SCIE
SCOPUS
- Journal Title
- MOLECULAR BIOLOGY REPORTS
- Volume
- 40
- Number
- 8
- Start Page
- 5191
- End Page
- 5203
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/102656
- DOI
- 10.1007/s11033-013-2621-4
- ISSN
- 0301-4851
- Abstract
- The aim of this study was to determine whether tumor necrosis factor-alpha (TNF-alpha) and interleukin-6 (IL-6) promoter polymorphisms confer susceptibility to periodontitis in ethnically different populations. A literature search was performed using PubMed and Embase and a meta-analysis of the identified studies was conducted to explore the associations between TNF-alpha -308 A/G, -238 A/G, IL-6 promoter -174 G/C and -572 G/C polymorphisms and periodontitis. Seventeen comparison studies for the TNF-alpha -308 A/G polymorphism and three studies for the TNF-alpha -238 A/G polymorphism were included in the meta-analysis. And 16 separate studies for the IL-6 -174 G/C polymorphism and 10 studies for the IL-6 -572 G/C polymorphism were considered in our meta-analysis. Analysis after stratification by ethnicity indicated that the TNF-alpha -308 A allele was associated with periodontitis in Brazilian, Asian, and Turkish populations (OR = 0.637, 95 % CI = 0.447-0.907, p = 0.013; OR = 0.403, 95 % CI = 0.204-0.707, p = 0.009; OR = 1.818, 95; % CI = 1.036-3.189, p = 0.037). The meta-analysis showed no association between the TNF-alpha -238 A/G polymorphism and periodontitis. The meta-analysis indicated an association of the IL-6 -174 G/C polymorphisms with periodontitis in Brazilian populations (OR for GG + GC = 2.394, 95 % CI = 1.081-5.302, p = 0.031). Stratification by ethnicity and disease type indicated an association between the IL-6 -572 G allele and chronic periodontitis (OR = 1.585, 95 % CI = 1.030-2.439, p = 0.036), and periodontitis in Europeans (OR = 2.118, 95 % CI = 1.254-3.577, p = 0.005). This meta-analysis demonstrates that the TNF-alpha -308 A/G polymorphism confers susceptibility to periodontitis in Brazilian, Asian and Turkish populations. The IL-6 -174 G/C polymorphism may confer susceptibility to periodontitis in Brazilians, and the IL-6 -572 G/C polymorphism may be associated with susceptibility to periodontitis in Europeans, and chronic periodontitis.
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