Abstract:
:Endothelin-converting enzyme-1 (ECE1) plays a key role in the development of a subset of neural crest lineages such as cardiogenesis. Genetic variants of ECE1 C338A (rs213045) and T839G (rs213046) have been shown to alter ECE1 expression. This observation led us to hypothesize that two polymorphisms might influence the susceptibility of sporadic congenital heart disease (CHD). We conducted a case-control study comprised of 945 CHD cases and 972 non-CHD controls in a Chinese population. We tested our hypothesis by genotyping ECE1 C338A and T839G and assessed their association with the risk of CHD. Compared with the 338 CC and the 839 TT genotypes, the ECE1 338 AA/AC and 839 TG/GG genotypes significantly increased the risk of CHD (adjusted odds ratio [OR]=1.38, 95% confidence interval [CI]=1.14-1.68; and adjusted OR=1.30, 95% CI=1.07-1.58, respectively). A combined analysis was performed that showed that the presence of 2-4 risk alleles (the ECE1 338A and 839G allele) increased the risk of CHD by 2.07-fold compared with 0-1 risk alleles. Furthermore, we found that the association between 2-4 risk alleles and CHD risk was stronger in females (adjusted OR=1.77, 95% CI=1.31-2.40) than males (adjusted OR=1.33, 95% CI=1.03-1.71), and in the phenotypes of Tetralogy of Fallot (adjusted OR=1.84, 95% CI=1.10-3.06) and perimembranous ventricular septal defect (pmVSD) (adjusted OR=1.74, 95% CI=1.35-2.24). Our results suggest that ECE1 polymorphisms may contribute to the susceptibility of sporadic CHD in a Chinese population.
journal_name
DNA Cell Bioljournal_title
DNA and cell biologyauthors
Wang Y,Liu Y,Peng W,Wang M,Sun J,Zhang Z,Mo Xdoi
10.1089/dna.2012.1626subject
Has Abstractpub_date
2012-08-01 00:00:00pages
1425-30issue
8eissn
1044-5498issn
1557-7430journal_volume
31pub_type
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