{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,10]],"date-time":"2026-06-10T18:48:45Z","timestamp":1781117325907,"version":"3.54.1"},"reference-count":17,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2023,5,19]],"date-time":"2023-05-19T00:00:00Z","timestamp":1684454400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100002947","name":"Anhui Medical University","doi-asserted-by":"publisher","award":["2022xkj128"],"award-info":[{"award-number":["2022xkj128"]}],"id":[{"id":"10.13039\/501100002947","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Pediatr."],"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>The p120-ctn protein, encoded by <jats:italic>CTNND1<\/jats:italic>, is involved in intercellular connections and regulates epithelial\u2013mesenchymal transformation. <jats:italic>CTNND1<\/jats:italic> mutations can lead to blepharocheilodontic syndrome (BCDS). Increasing evidence shows that although BCDS mainly manifests as craniofacial and oral deformities, it can also present as congenital heart disease, limb deformities, and neurodevelopmental disorders.<\/jats:p><\/jats:sec><jats:sec><jats:title>Case description<\/jats:title><jats:p>We report a prenatal case of a major cardiac malformation at 24<jats:sup>+3<\/jats:sup> weeks of gestation. Ultrasound examination revealed a hypoplastic left ventricular, aortic coarctation, and a ventricular septal defect. Genetic analysis of the fetal tissues showed the presence of a novel mutation in <jats:italic>CTNND1<\/jats:italic> (NM_001085458.2: c.566_c.567insG; p.Pro190fs*15), which may lead to premature termination of protein coding, while both the parents harbored wild-type <jats:italic>CTNND1<\/jats:italic>. To date, only 15 <jats:italic>CTNND1<\/jats:italic> mutations have been reported in 19 patients worldwide, of which approximately 31% (6\/19) had a cardiac phenotype.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>To the best of our knowledge, this is the first case report of fetal complicated cardiac malformations caused by this <jats:italic>CTNND1<\/jats:italic> mutation. Our findings provide new clinical references for prenatal diagnosis and suggest an important role for <jats:italic>CTNND1<\/jats:italic> in early cardiac development.<\/jats:p><\/jats:sec>","DOI":"10.3389\/fped.2023.1180381","type":"journal-article","created":{"date-parts":[[2023,5,19]],"date-time":"2023-05-19T06:00:20Z","timestamp":1684476020000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":4,"title":["Case report: \u201cMajor fetal cardiac pathology associated with a novel CTNND1 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