Prenatal diagnosis of premature chromatid separation/mosaic variegated aneuploidy (PCS/MVA) syndrome

Tomoko Yamaguchi, Masatoshi Yamaguchi, Keiko Akeno, Midori Fujisaki, Kaeko Sumiyoshi, Masanao Ohashi, Hiroshi Sameshima, Mamoru Ozaki, Maki Kato, Takema Kato, Eriko Hosoba, Hiroki Kurahashi

研究成果: Article査読

3 被引用数 (Scopus)

抄録

Premature chromatid separation/mosaic variegated aneuploidy (PCS/MVA) syndrome is a rare genetic disorder. In this case report, we describe the prenatal diagnosis of PCS/MVA syndrome in a 24-year-old, gravida 1, para 1, woman who was referred to us in her second trimester due to fetal growth restriction and extreme microcephaly (−5.0 standard deviations). Amniocentesis and chromosomal analysis confirmed PCS in 80% of cultured fetal cells. PCS findings were positive in 9% of paternal cells and 11% of maternal cells, indicative that both were PCS carriers. Genetic analysis confirmed that the fetus carried a combined heterozygote of maternal G > A point mutation of the promoter area of the BUB1B gene and a paternal Alu sequence insertion between intron 8 and exon 9 of the BUB1B gene. As PCS/MVA syndrome is associated with the development of various malignancies in early life, prenatal diagnosis is important for effective planning of post-natal care.

本文言語English
ページ(範囲)1313-1317
ページ数5
ジャーナルJournal of Obstetrics and Gynaecology Research
44
7
DOI
出版ステータスPublished - 07-2018

All Science Journal Classification (ASJC) codes

  • 産婦人科学

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