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Published in: BMC Medical Genetics 1/2013

Open Access 01-12-2013 | Research article

The associations between the polymorphisms in the CTLA-4gene and the risk of Graves’ disease in the Chinese population

Authors: Liang Du, Jiqiao Yang, Jichong Huang, Yaxian Ma, Haichuan Wang, Tianyuan Xiong, Zhangpeng Xiang, Yonggang Zhang, Jin Huang

Published in: BMC Medical Genetics | Issue 1/2013

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Abstract

Background

The associations between the polymorphisms in Cytotoxic T lymphocyte-associated molecule-4 (CTLA-4) gene and Graves’ disease (GD) have been extensively investigated in Chinese population. However, the results were inconsistent. The objective of this study is to investigate the associations between the polymorphisms in CTLA-4 gene and the risk of GD by meta-analysis.

Methods

We searched Pubmed database, Medline (Ovid) database, CNKI database and Wanfang database, covering all studies until August 11, 2012. Statistical analysis was performed by using the Revman4.2 software and the Stata10.0 software.

Results

A total of 28 case–control studies concerning the most widely studied three polymorphisms [+49A/G(rs231775), -318C/T(rs5742909) and CT60(rs3087243)] for Chinese population in 21 publications were included. The results suggested that the G allele carriers (GG+GA) might have an increased risk of GD when compared with the AA homozygote carriers for the +49A/G polymorphism (GG+GA vs. AA: OR = 2.57, 95%CI = 1.87-3.52). However, as to the -318C/T polymorphism and CT60 polymorphism, the results indicated that the variant allele carriers might have decreased risks of GD when compared with the homozygote carriers (−318C/T: TT+TC vs. CC: OR = 0.78, 95%CI = 0.62-0.97; CT60: AA+AG vs. GG: OR = 0.64, 95%CI = 0.52-0.78).

Conclusions

The current meta-analysis indicated that the polymorphisms in the CLTA-4 gene might be risk factors for GD in the Chinese population. In future, more large-scale case–control studies are needed to validate these results.
Appendix
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Metadata
Title
The associations between the polymorphisms in the CTLA-4gene and the risk of Graves’ disease in the Chinese population
Authors
Liang Du
Jiqiao Yang
Jichong Huang
Yaxian Ma
Haichuan Wang
Tianyuan Xiong
Zhangpeng Xiang
Yonggang Zhang
Jin Huang
Publication date
01-12-2013
Publisher
BioMed Central
Published in
BMC Medical Genetics / Issue 1/2013
Electronic ISSN: 1471-2350
DOI
https://doi.org/10.1186/1471-2350-14-46

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