Whole Exome Sequencing Identified two Novel Truncation Mutations in theCTNNB1Gene Associated with Neurodevelopmental Disorder, Language Dysfunction, and Microcephaly in Chinese Children
Abstract:Recently, the loss-of-function, heterozygous, and de novo mutations of the CTNNB1 gene have been proven to be partially responsible for intellectual disability in some patients. Herein, we report two unrelated children with neurodevelopmental disorder, abnormal facial features, speech impairments, microcephaly, and dystonia. Based on whole exome sequencing (WES), two new heterozygous and pathogenic mutations in exon 10 (c.1586dupA:p.Q530Afs*42) and exon 4 (c.257dup:p.Y86*) were identified in the CTNNB1 gene fo… Show more
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