{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,9]],"date-time":"2026-03-09T03:57:47Z","timestamp":1773028667194,"version":"3.50.1"},"reference-count":54,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2023,11,24]],"date-time":"2023-11-24T00:00:00Z","timestamp":1700784000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Genet."],"abstract":"<jats:p><jats:bold>Objective:<\/jats:bold> In the study, we investigated the genetic etiology of the ventricular septal defect (VSD) and comprehensively evaluated the diagnosis rate of prenatal chromosomal microarray analysis (CMA) and exome sequencing (ES) for VSD to provide evidence for genetic counseling.<\/jats:p><jats:p><jats:bold>Methods:<\/jats:bold> We carried out chromosomal microarray analysis (CMA) on 468 fetuses with VSD and exome sequencing (ES) on 51 fetuses.<\/jats:p><jats:p><jats:bold>Results:<\/jats:bold> In our cohort, 68 (14.5%) VSD fetuses received a genetic diagnosis, including 61 (13.03%, 61\/468) cases with chromosomal abnormalities and seven (13.7%, 7\/51) cases with gene sequence variants. The detection rate of total pathogenic and likely pathogenic gene variations in the non-isolated VSD group (61\/335, 18.2%, 55 by QF-PCR\/karyotype\/CMA + 6 by ES) was significantly higher than that in the isolated VSD group (7\/133, 5.3%, 6 by QF-PCR\/karyotype\/CMA + 1 by ES, <jats:italic>p<\/jats:italic> = 0.000). The most common copy number variation (CNV) was 22q11.2 microdeletion syndrome. Additionally, we found six previously unreported variants, which expanded the variation spectrum of VSD-related genes.<\/jats:p><jats:p><jats:bold>Conclusion:<\/jats:bold> In this study, CNVs and sequence variants were found in 13.03% and 13.7% of cases, respectively. ES can be recommended for fetuses with VSD without chromosome abnormalities and pathogenic CNVs, especially those that are combined with other ultrasound abnormalities.<\/jats:p>","DOI":"10.3389\/fgene.2023.1260995","type":"journal-article","created":{"date-parts":[[2023,11,24]],"date-time":"2023-11-24T10:32:18Z","timestamp":1700821938000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":5,"title":["Prenatal genetic diagnosis associated with fetal ventricular septal defect: an assessment based on chromosomal microarray analysis and exome sequencing"],"prefix":"10.3389","volume":"14","author":[{"given":"You","family":"Wang","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ru","family":"Li","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fang","family":"Fu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ruibin","family":"Huang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dongzhi","family":"Li","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Can","family":"Liao","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1965","published-online":{"date-parts":[[2023,11,24]]},"reference":[{"key":"B1","article-title":"GeneReviews glossary","volume-title":"GeneReviews(\u00ae)","author":"Adam","year":"1993"},{"key":"B2","doi-asserted-by":"publisher","first-page":"3185","DOI":"10.1242\/dev.026443","article-title":"GATA transcription factors integrate Wnt signalling during heart development","volume":"135","author":"Afouda","year":"2008","journal-title":"Development"},{"key":"B3","doi-asserted-by":"publisher","first-page":"992","DOI":"10.1002\/humu.20748","article-title":"The RAS\/MAPK syndromes: novel roles of the RAS pathway in human genetic disorders","volume":"29","author":"Aoki","year":"2008","journal-title":"Hum. 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