CTLA-4 and TNF-alpha promoter-308 A/G polymorphisms and ANCA-associated vasculitis susceptibility: a meta-analysis
- Authors
- Lee, Young Ho; Choi, Sung Jae; Ji, Jong Dae; Song, Gwan Gyu
- Issue Date
- 1월-2012
- Publisher
- SPRINGER
- Keywords
- CTLA-4; TNF-alpha; Polymorphism; Associated vasculitis; Meta-analysis
- Citation
- MOLECULAR BIOLOGY REPORTS, v.39, no.1, pp.319 - 326
- Indexed
- SCIE
SCOPUS
- Journal Title
- MOLECULAR BIOLOGY REPORTS
- Volume
- 39
- Number
- 1
- Start Page
- 319
- End Page
- 326
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/109249
- DOI
- 10.1007/s11033-011-0741-2
- ISSN
- 0301-4851
- Abstract
- The aim of this study was to explore whether the cytotoxic T lymphocyte associated antigen-4 (CTLA-4) or tumor necrosis factor-alpha (TNF-alpha) polymorphisms contribute to anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) susceptibility. The authors conducted a meta-analysis on associations between polymorphisms of the 3' untranslated region (UTR) microsatellite at exon 3, exon 4 CT60 (A/G), exon 1 +49 (A/G), and promoter -318 (C/T) of CTLA-4, and TNF-alpha promoter-308 (A/G) and AAV susceptibility as determined using; (1) allelic contrast and (2) homozygote contrast, (3) recessive, and (4) dominant models. A total of 11 comparisons were considered in this meta-analysis. These studies encompassed 7 CTLA-4 studies and 4 TNF-alpha studies in 10 European populations and 1 Asian population. The (AT)(n) repeat polymorphisms of CTLA-4 were found to be significantly associated with AAV in European populations (OR of 86 vs. xx allele = 0.402, 95% CI = 0.184-0.875, P = 0.022). The one study conducted on this polymorphism in Asians showed no significant association with AAV. Meta-analysis of the 86/86 (recessive effect), 86/86 and 86/xx (dominant effect), and 86/86 vs. xx/xx (homozygote contrast) of the (AT)(n) repeat revealed a significant association with AAV in Europeans. Both the CTLA-4 CT60 and +49 polymorphisms were found to be significantly associated with AAV in European populations, and allele and genotype-based analyses showed a significant association between the CTLA-4 CT60 and +49 polymorphisms with AAV in Europeans (OR of the A allele of CT60 = 0.769, 95% CI = 0.619-0.017, P = 0.035; OR of the T allele of +49 = 1.382, 95% CI = 1.147-1.664, P = 0.001, respectively). Meta-analysis of the CTLA-4 -318 polymorphism failed to identify any association with AAV. Furthermore, meta-analysis of the AA genotype, the AA and AG genotypes, and the A allele of TNF-alpha failed to reveal any association with Wegener's granulomatosis (WG). This meta-analysis demonstrates that the CTLA-4 polymorphisms confer susceptibility to AAV in Europeans. In contrast, no association was found between the TNF-alpha-308 polymorphism and susceptibility to WG in Europeans.
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