Abstract：
OBJECTIVE:The aim of this study was to explore whether the cytotoxic T lymphocyte associated antigen-4 (CTLA-4) polymorphisms are associated with susceptibility to ulcerative colitis (UC) and Crohn's disease (CD). METHODS:The authors conducted a meta-analysis on associations between CTLA-4 +49 A/G, -318 C/T, CT60 A/G polymorphisms, and (AT)n repeat in the 3' untranslated region (UTR) and UC and CD susceptibility. RESULTS:A total of 15 comparison studies were considered in our meta-analysis. Meta-analysis revealed no association between UC and the CTLA-4 +49 G and CTLA-4 -318 T alleles in all subjects (OR=0.982, 95% CI=0.851-1.1339, p=0.804; OR=0.500, 95% CI=0.223-1.124, p=0.094). No association was found between UC and the CTLA-4 CT60 A/G polymorphism in Europeans. However, a significant association was observed between the longer allele (⩾118bp) of the (AT)n and UC in Asian population (OR=6.073, 95% CI=4.246-8.684, p=1.0×10(-9)). Meta-analysis of the CTLA-4 +49 A/G, -318 C/T, CT60 A/G polymorphisms showed no association with CD. CONCLUSIONS:This meta-analysis demonstrates that the CTLA-4 (AT)n repeat in 3' UTR may be associated with susceptibility to UC in Asians, while no association was found between the CTLA-4 +49 A/G, -318 C/T, and CD60 A/G polymorphism and susceptibility to UC and CD.
journal_name
Hum Immunoljournal_title
Human immunologyauthors
Lee YH,Kim JH,Seo YH,Choi SJ,Ji JD,Song GGdoi
10.1016/j.humimm.2014.02.020subject
Has Abstractpub_date
2014-05-01 00:00:00pages
414-21issue
5eissn
0198-8859issn
1879-1166pii
S0198-8859(14)00090-1journal_volume
75pub_type
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