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    Please use this identifier to cite or link to this item: http://asiair.asia.edu.tw/ir/handle/310904400/111632


    Title: Prenatal diagnosis of a familial 15q11.2 (BP1-BP2) microdeletion encompassing TUBGCP5, CYFIP1, NIPA2 and NIPA1 in a fetus with ventriculomegaly, microcephaly and intrauterine growth restriction on prenatal ultrasound
    Authors: 陳持平;Chen, Chih-Ping;Cha, Shu-Yuan;Chang, Shu-Yuan;Wa, Liang-Kai;Wang, Liang-Kai;Cha, Tung-Yao;Chang, Tung-Yao;Ch, Schu-Rern;Chern, Schu-Rern;Wu, Peih-Shan;Wu, Peih-Shan;Chen, hin-Wen;Chen, hin-Wen;La, Shih-Ting;Lai, Shih-Ting;Chua, Tzu-Yun;Chuang, Tzu-Yun;Ya, Chien-Wen;Yang, Chien-Wen
    Contributors: 生物科技學系
    Date: 2018-10
    Issue Date: 2018-12-24 16:12:13 (UTC+8)
    Abstract: Objective
    We present prenatal diagnosis of a 15q11.2 (BP1-BP2) microdeletion encompassing TUBGCP5, CYFIP1, NIPA2 and NIPA1 in a fetus with ventriculomegaly, microcephaly and intrauterine growth restriction (IUGR) on prenatal ultrasound.

    Case report
    A 30-year-old, gravida 3, para 2, woman was referred to the hospital for amniocentesis because of fetal ventriculomegaly on prenatal ultrasound. Her husband was 31 years old. The couple had two healthy daughters, and there was no family history of mental disorders and congenital malformations. Amniocentesis revealed a karyotype of 46,XX. Array comparative genomic hybridization (aCGH) analysis on the DNA extracted from uncultured amniocytes revealed a 451.89-kb 15q11.2 microdeletion or arr 15q11.2 (22,765,628–23,217,514) × 1.0 [GRCh37 (hg19)] encompassing TUBGCP5, CYFIP1, NIPA2 and NIPA1 . The parental karyotypes were normal. aCGH analysis on the DNAs extracted from parental bloods revealed a 402-kb 15q11.2 microdeletion or arr 15q11.2 (22,815,577-23,217,514) × 1.0 (hg19) encompassing TUBGCP5, CYFIP1, NIPA2 and NIPA1 in the phenotypically normal father. The mother did not have any genomic imbalance. Level II ultrasound at 21 weeks of gestation revealed microcephaly and IUGR. The parents elected to terminate the pregnancy at 22 weeks of gestation, and a female fetus was delivered with a body weight of 448 g (10th centile) and a body length of 26 cm (3rd–10th centile) but no gross abnormalities.

    Conclusion
    Fetuses with a 15q11.2 (BP1-BP2) microdeletion may present ventriculomegaly, microcephaly and IUGR on prenatal ultrasound, and aCGH is helpful for prenatal diagnosis under such a circumstance.
    Relation: TAIWANESE JOURNAL OF OBSTETRICS & GYNECOLOGY
    Appears in Collections:[生物科技學系] 期刊論文

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