Genetic determinants of global developmental delay and intellectual disability in Ukrainian children
Journal of Neurodevelopmental Disorders(2024)
摘要
Global developmental delay or intellectual disability usually accompanies various genetic disorders as a part of the syndrome, which may include seizures, autism spectrum disorder and multiple congenital abnormalities. Next-generation sequencing (NGS) techniques have improved the identification of pathogenic variants and genes related to developmental delay. This study aimed to evaluate the yield of whole exome sequencing (WES) and neurodevelopmental disorder gene panel sequencing in a pediatric cohort from Ukraine. Additionally, the study computationally predicted the effect of variants of uncertain significance (VUS) based on recently published genetic data from the country’s healthy population. The study retrospectively analyzed WES or gene panel sequencing findings of 417 children with global developmental delay, intellectual disability, and/or other symptoms. Variants of uncertain significance were annotated using CADD-Phred and SIFT prediction scores, and their frequency in the healthy population of Ukraine was estimated. A definitive molecular diagnosis was established in 66 (15.8
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关键词
Global developmental delay,Intellectual disability,Next generation sequencing,Gene panel testing,Whole exome sequencing,Ukraine.
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