Maternal CHD7 gonosomal mosaicism in a fetus with CHARGE syndrome.

Abstract excerpt

Parental mosaicism is important in families with de novo mutations. Herein, we report a case of fetal CHARGE syndrome (CS) with a CHD7 variant inherited from maternal CHD7 gonosomal mosaicism. The variant was detected through trio-based whole-exome sequencing and Sanger sequencing. High-depth whole-exome sequencing was performed for the identification of parental mosaicism. A novel heterozygous CHD7 nonsense...

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