Mar 20, 2015

CSN and CAVA: variant annotation tools for rapid, robust next-generation sequencing analysis in the clinic

BioRxiv : the Preprint Server for Biology
Márton MünzNazneen Rahman

Abstract

Background Next-generation sequencing (NGS) offers unprecedented opportunities to expand clinical genomics. It also presents challenges with respect to integration with data from other sequencing methods and historical data. Provision of consistent, clinically applicable variant annotation of NGS data has proved difficult, particularly of indels, an important variant class in clinical genomics. Annotation in relation to a reference genome sequence, the DNA strand of coding transcripts and potential alternative variant representations has not been well addressed. Here we present tools that address these challenges to provide rapid, standardized, clinically appropriate annotation of NGS data in line with existing clinical standards. Methods We developed a clinical sequencing nomenclature (CSN), a fixed variant annotation consistent with the principles of the Human Genome Variation Society (HGVS) guidelines, optimized for automated variant annotation of NGS data. To deliver high-throughput CSN annotation we created CAVA (Clinical Annotation of VAriants), a fast, lightweight tool designed for easy incorporation into NGS pipelines. CAVA allows transcript specification, appropriately accommodates the strand of a gene transcript and ...Continue Reading

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Mentioned in this Paper

BRCA2 Protein
Clinical Genomics
Clinic
Genome
Genes
CSNAP protein, human
Evaluation
TAPBP protein, human
Genomics
Sequencing

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