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Association of Cx43 rs2071166 polymorphism with an increased risk for atrial septal defect

Published online by Cambridge University Press:  04 December 2017

Ruoyi Gu ,
Wei Sheng ,
Xiaojing Ma  and
Guoying Huang
Ruoyi Gu
Affiliation:
Children’s Hospital of Fudan University, Shanghai, China
Wei Sheng
Affiliation:
Children’s Hospital of Fudan University, Shanghai, China
Xiaojing Ma
Affiliation:
Children’s Hospital of Fudan University, Shanghai, China Shanghai Key Laboratory of Birth Defects, Shanghai, China
Guoying Huang*
Affiliation:
Children’s Hospital of Fudan University, Shanghai, China Shanghai Key Laboratory of Birth Defects, Shanghai, China
*
Correspondence to: G. Huang, MD, Pediatric Heart Center, Children’s Hospital of Fudan University, 399 Wanyuan Road, Shanghai 201102, China. Tel: +86-21-64931928; Fax: +86-21-64931928; E-mail: [email protected]
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Abstract

Atrial septal defect is one of the most common CHD. The pathogenesis of atrial septal defect still remains unknown. Cx43 is the most prevalent connexin in the mammalian heart during development. Its genetic variants can cause several CHD. The aim of our study was to investigate the association of genetic variations of the Cx43 with sporadic atrial septal defect. A total of 450 paediatric patients were recruited, including 150 cases with atrial septal defect and 300 healthy controls. The promoter region of Cx43 was analysed by sequencing after polymerase chain reaction. All data were analysed by using the Statistic Package for Social Science 19.0 software. The frequency of the single nucleotide polymorphism rs2071166 was significantly higher in atrial septal defect cases than in healthy controls. The CC genotype at rs2071166 site in Cx43 was correlated with an increased risk for atrial septal defect (p<0.0001, odds ratio=3.891, 95% confidence interval 1.948–7.772) and the C allele was positively correlated with atrial septal defect (p=0.007, odds ratio=1.567, 95% confidence interval 1.129–2.175). In conclusion, our results confirmed that rs2071166 in Cx43 may be relevant with an increased atrial septal defect risk.

Keywords

Cx43single nucleotide polymorphismatrial septal defect
Type
Original Articles
Information
Cardiology in the Young , Volume 28 , Issue 3 , March 2018 , pp. 397 - 402
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Copyright
© Cambridge University Press 2017 

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