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Genet."],"abstract":"<jats:p>The aim of this work was to explore the genetic cause of the proband (\u21622) presenting with polyhydramnios and gastroschisis. Copy number variation sequencing (CNV-seq), methylation-specific multiplex PCR (MS-PCR), and methylation-specific multiplex ligation-dependent probe amplification (MS-MLPA) were used to characterize the genetic etiology. CNV-seq revealed a deletion of 732.26\u00a0kb at 14q32.2q32.31 in the proband (\u21622) and its mother (\u21612). MS-PCR showed the maternal allele was missing in the proband, while paternal allele was missing in its mother. MS-MLPA showed deletion of the <jats:italic>DLK1<\/jats:italic>, <jats:italic>MEG3<\/jats:italic>, <jats:italic>MIR380<\/jats:italic>, and <jats:italic>RTL1<\/jats:italic> genes of both the proband and its mother. <jats:italic>MEG3<\/jats:italic> imprinting gene methylation increased in the proband, while decreased in its mother. It was indicated that a maternally transmitted deletion was responsible for Kagami\u2013Ogata syndrome in the proband (\u21622), and the <jats:italic>de novo<\/jats:italic> paternal deletion resulted in Temple syndrome in the mother (\u21612). Prenatal diagnosis was provided at 17<jats:sup>+3<\/jats:sup> weeks of pregnancy on the mother\u2019s fourth pregnancy (\u21624). Fortunately, the karyotype and single-nucleotide polymorphism array (SNP array) results were normal. The current investigation provided the detection methods for imprinted gene diseases, expanded the phenotype spectrum of the disease, and obtained the insight into the diagnosis, prenatal diagnosis, and genetic counseling of the disease.<\/jats:p>","DOI":"10.3389\/fgene.2022.959666","type":"journal-article","created":{"date-parts":[[2022,8,11]],"date-time":"2022-08-11T07:48:33Z","timestamp":1660204113000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":2,"title":["Case report: Prenatal diagnosis of Kagami\u2013Ogata syndrome in a Chinese family"],"prefix":"10.3389","volume":"13","author":[{"given":"Junjie","family":"Hu","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ying","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yanmei","family":"Yang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Liya","family":"Wang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yixi","family":"Sun","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Minyue","family":"Dong","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1965","published-online":{"date-parts":[[2022,8,11]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"1257","DOI":"10.1056\/NEJMicm1910897","article-title":"Coat hanger\" appearance of the ribs","volume":"382","author":"Al-Mudares","year":"2020","journal-title":"N. 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