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    Please use this identifier to cite or link to this item: http://asiair.asia.edu.tw/ir/handle/310904400/112724


    Title: Inv dup del(10p): prenatal diagnosis and molecular cytogenetic characterization
    Authors: 陳持平;Chen, Chih-Ping;Tsang-Ming, K;Ko, Tsang-Ming;Wa, Liang-Kai;Wang, Liang-Kai;Ch, Schu-Rern;Chern, Schu-Rern;Wu, Peih-Shan;Wu, Peih-Shan;Che, Shin-Wen;Chen, Shin-Wen;Wu, Fang-Tzu;Wu, Fang-Tzu;Chen, Li-Feng;Chen, Li-Feng;Wang, Wayseen;Wang, Wayseen
    Contributors: 醫學檢驗暨生物技術學系
    Keywords: Chromosome 10pDeletionInverted duplicationInv dup del(10p)Prenatal diagnosis
    Date: 2019-09
    Issue Date: 2020-08-27 14:07:04 (UTC+8)
    Publisher: 亞洲大學
    Abstract: We present molecular cytogenetic characterization of prenatally detected inverted duplication and deletion of 10p [inv dup del(10p)].

    Case report
    A 39-year-old, primigravid woman underwent amniocentesis at 17 weeks of gestation because of advanced maternal age. Amniocentesis revealed a derivative chromosome 10 with additional material at the end of the short arm of one chromosome 10. Simultaneous array comparative genomic hybridization (aCGH) analysis revealed the result of arr 10p15.3 (136,361–451,013) × 1, 10p15.3p12.1 (536,704–25,396,900) × 3 [GRCh37 (hg19)] with a 0.31-Mb deletion of 10p15.3 encompassing ZMYND11 and DIP2C, and a 24.86-Mb duplication of 10p15.3p12.1. The pregnancy was subsequently terminated, and a female fetus was delivered with facial dysmorphism. Postnatal aCGH analysis showed that the umbilical cord had the same result as that of amniotic fluid, whereas the placenta had only the deletion of 10p15.3. Fluorescence in situ hybridization (FISH) analysis of the cord blood confirmed inverted duplication and deletion of 10p. The cord blood had a karyotype of 46,XX,der(10) del(10) (p15.3)dup(10) (p15.3p12.1)dn. Polymorphic DNA marker analysis confirmed a maternal origin of the chromosome 10 aberration.

    Conclusion
    Prenatal diagnosis of inv dup del(10p) with haploinsufficiency of ZMYND11 should include a genetic counseling of mental retardation and chromosome 10p15.3 microdeletion syndrome. aCGH, FISH and polymorphic DNA marker analysis are useful for perinatal investigation of inv dup del(10p).
    Relation: TAIWANESE JOURNAL OF OBSTETRICS & GYNECOLOGY
    Appears in Collections:[醫學檢驗暨生物技術學系] 期刊論文

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