Zhonghua yi xue yi chuan xue za zhi = Zhonghua yixue yichuanxue zazhi = Chinese journal of medical genetics · 2020
[Genetic analysis of a family with congenital heart defects caused by chromosome 8p23.1 deletion].
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Feng Qing, Xie Jiansheng, Liu Yang, Geng Qian, Wu Weiqing
Аннотация
OBJECTIVE: To explore the genetic basis for a family affected with congenital heart defects.
METHODS: G-banding karyotyping, chromosomal microarray analysis (CMA) and multiplex ligation-dependent probe amplification (MLPA) were carried out to detect copy number variants in a patient with left ventricular noncompaction (LVNC) and his fetus.
RESULTS: G-banding karyotyping showed the patient was 45,XY,rob(15;21)(q10;q10)[36]/46,XY[64], while the fetus had an normal karyotype. CMA revealed that both had arr[hg19]8p23.1(11 232 919-11 935 465)×1. MLPA showed both had deletion of all exons of the GATA4 gene.
CONCLUSION: The LVNC of the patient and the ventricular septal defect(VSD) of his fetus may result from the same 8p23.1 deletion, for which GATA4 is probably the key gene.
METHODS: G-banding karyotyping, chromosomal microarray analysis (CMA) and multiplex ligation-dependent probe amplification (MLPA) were carried out to detect copy number variants in a patient with left ventricular noncompaction (LVNC) and his fetus.
RESULTS: G-banding karyotyping showed the patient was 45,XY,rob(15;21)(q10;q10)[36]/46,XY[64], while the fetus had an normal karyotype. CMA revealed that both had arr[hg19]8p23.1(11 232 919-11 935 465)×1. MLPA showed both had deletion of all exons of the GATA4 gene.
CONCLUSION: The LVNC of the patient and the ventricular septal defect(VSD) of his fetus may result from the same 8p23.1 deletion, for which GATA4 is probably the key gene.