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Hum Mol Genet. 2010 Oct 15;19(R2):R119-24. doi: 10.1093/hmg/ddq390. Epub 2010 Sep 15.

Massively parallel sequencing and rare disease.

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  • 1Department of Genome Sciences, University of Washington School of Medicine, Seattle WA 98195, USA. sarahng@uw.edu

Abstract

Massively parallel sequencing has enabled the rapid, systematic identification of variants on a large scale. This has, in turn, accelerated the pace of gene discovery and disease diagnosis on a molecular level and has the potential to revolutionize methods particularly for the analysis of Mendelian disease. Using massively parallel sequencing has enabled investigators to interrogate variants both in the context of linkage intervals and also on a genome-wide scale, in the absence of linkage information entirely. The primary challenge now is to distinguish between background polymorphisms and pathogenic mutations. Recently developed strategies for rare monogenic disorders have met with some early success. These strategies include filtering for potential causal variants based on frequency and function, and also ranking variants based on conservation scores and predicted deleteriousness to protein structure. Here, we review the recent literature in the use of high-throughput sequence data and its analysis in the discovery of causal mutations for rare disorders.

PMID:
20846941
[PubMed - indexed for MEDLINE]
PMCID:
PMC2953741
Free PMC Article

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