Genome-wide sequencing technologies: A primer for paediatricians

Paediatrics & Child Health
Robin Z Hayeems, Kym M Boycott

Abstract

Genetic testing has been a routine part of paediatic medicine for decades. Over time, the number of genetic tests available for children presenting with features thought to be explained by an underlying genetic aetiology has expanded considerably. Genome-wide sequencing approaches (e.g., whole-exome sequencing, whole-genome sequencing) are now emerging as the most comprehensive approaches to genetic diagnosis that we have seen to date; multiple serial tests that were once required for a child under diagnostic investigation can now be accomplished in a single assay. Moreover, the performance of this single assay appears to be superior to the sum of its parts. Despite this promise, technical, ethical and access-related complexities require considerable attention prior to the implementation of these tools in mainstream paediatrics. To ready paediatricians for the eventual transition to genome-based diagnostics, herein we review both the elements and delivery considerations of this emerging technology.

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Citations

Dec 7, 2018·The Journal of Rheumatology·Linda T Hiraki
Feb 19, 2021·NPJ Genomic Medicine·Lauren Chad, Michael J Szego

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