[Prenatal diagnosis of two cases with 2p15-p16.1 microdeletion syndrome].
2020
OBJECTIVE: To detect chromosomal aberrations in two fetuses with multiple malformation. METHODS: The two fetuses were subjected to chromosomal microarray analysis (CMA) by using Affymetrix CytoScan 750K arrays. The results were analyzed by bioinformatic software. RESULTS: CMA analysis suggested that both fetuses harbored pathogenic copy number variations (CNVs) in the 2p15-16.1 region, which ranged from 255 kb to 257 kb and encompassed the XPO1 and USP34 genes. CONCLUSION: Deletion of the chr2 (61 659 957-61 733 075, hg19) encompassing the XPO1 and USP34 genes may underlie the multiple malformations in the two fetuses.
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