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Duodecim. 2017;133(5):481-8.

Who would benefit from exome sequencing?


Next-generation sequencing methods have revolutionized the possibilities for analyzing the human genome. Sequencing the exome, the protein-encoding portion of the genome, is used, in clinical medicine, especially in the diagnosis of rare hereditary diseases, congenital developmental disorders and cancer. Using exome sequencing as a diagnostic test is justified when the results could lead to an accurate diagnosis, significantly influence the treatment and genetic counseling. It is a reliable method for detecting single base mutations as minor deletions and insertions. However, with current methods the reliable analysis of larger changes in the number of copies, the length or repeats and areas present in multiple copies in the genome is challenging. Every human has many mutations in their exome, and distinguishing between insignificant and pathogenic mutations is thus a key challenge when interpreting the results of exome sequencing.

[Indexed for MEDLINE]

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