{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,29]],"date-time":"2025-10-29T06:09:47Z","timestamp":1761718187420},"reference-count":23,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2011,8,16]],"date-time":"2011-08-16T00:00:00Z","timestamp":1313452800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["American J of Med Genetics Pt A"],"published-print":{"date-parts":[[2011,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The majority of congenital heart disease (CHD) occurs as a sporadic finding, with a minority of cases associated with a known genetic abnormality. Combinations of genetic and environmental factors are implicated, with the recent and intriguing hypothesis that an apparently high rate of somatic mutations might explain some sporadic CHD. We used samples of right ventricular myocardium from patients undergoing surgical repair of tetralogy of Fallot (TOF) and hypoplastic left heart (HLH) to examine the incidence of somatic mutation in cardiac tissue. TOF is a common form of cyanotic CHD, occurring in 3.3 per 10,000 live births. HLH is a rare defect in which the left side of the heart is severely under\u2010developed. Both are severe malformations whose genetic etiology is largely unknown. We carried out direct sequence analysis of the <jats:italic>NKX2\u20135<\/jats:italic> and <jats:italic>GATA4<\/jats:italic> genes from fresh frozen cardiac tissues and matched blood samples of nine TOF patients. Analysis of <jats:italic>NKX2\u20135<\/jats:italic>, <jats:italic>GATA4<\/jats:italic>, and <jats:italic>HAND1<\/jats:italic> was performed from cardiac tissue of 24 HLH patients and three matched blood samples. No somatic or germline mutations were identified in the TOF or HLH patients. Although limited by sample size, our study suggests that somatic mutations in <jats:italic>NKX2\u20135<\/jats:italic> and <jats:italic>GATA4<\/jats:italic> are not a common cause of isolated TOF or HLH. \u00a9 2011 Wiley\u2010Liss, Inc.<\/jats:p>","DOI":"10.1002\/ajmg.a.34187","type":"journal-article","created":{"date-parts":[[2011,8,16]],"date-time":"2011-08-16T16:14:12Z","timestamp":1313511252000},"page":"2416-2421","source":"Crossref","is-referenced-by-count":32,"title":["Somatic mutations in <i>NKX2\u20135<\/i>, <i>GATA4<\/i>, and <i>HAND1<\/i> are not a common cause of tetralogy of Fallot or hypoplastic left heart"],"prefix":"10.1002","volume":"155","author":[{"given":"Giorgia","family":"Esposito","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tanya L.","family":"Butler","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gillian 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