GAVIN: Gene-Aware Variant INterpretation for medical sequencing

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Abstract

We present Gene-Aware Variant INterpretation (GAVIN), a new method that accurately classifies variants for clinical diagnostic purposes. Classifications are based on gene-specific calibrations of allele frequencies from the ExAC database, likely variant impact using SnpEff, and estimated deleteriousness based on CADD scores for >3000 genes. In a benchmark on 18 clinical gene sets, we achieve a sensitivity of 91.4% and a specificity of 76.9%. This accuracy is unmatched by 12 other tools. We provide GAVIN as an online MOLGENIS service to annotate VCF files and as an open source executable for use in bioinformatic pipelines. It can be found at http://molgenis.org/gavin .

Original languageEnglish
Article number6
Number of pages10
JournalGenome Biology
Volume18
Issue number1
DOIs
Publication statusPublished - 16-Jan-2017

Keywords

  • Clinical next-generation sequencing
  • Variant classification
  • Automated protocol
  • Gene-specific calibration
  • Allele frequency
  • Protein impact
  • Pathogenicity prediction
  • NONCODING VARIANTS
  • PATHOGENICITY
  • MUTATIONS
  • DATABASE
  • DISEASE
  • GENOME
  • MODEL
  • SCORE

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