Jan 8, 2020

Analysis pipelines for cancer genome sequencing in mice

Nature Protocols
Sebastian LangeRoland Rad

Abstract

Mouse models of human cancer have transformed our ability to link genetics, molecular mechanisms and phenotypes. Both reverse and forward genetics in mice are currently gaining momentum through advances in next-generation sequencing (NGS). Methodologies to analyze sequencing data were, however, developed for humans and hence do not account for species-specific differences in genome structures and experimental setups. Here, we describe standardized computational pipelines specifically tailored to the analysis of mouse genomic data. We present novel tools and workflows for the detection of different alteration types, including single-nucleotide variants (SNVs), small insertions and deletions (indels), copy-number variations (CNVs), loss of heterozygosity (LOH) and complex rearrangements, such as in chromothripsis. Workflows have been extensively validated and cross-compared using multiple methodologies. We also give step-by-step guidance on the execution of individual analysis types, provide advice on data interpretation and make the complete code available online. The protocol takes 2-7 d, depending on the desired analyses.

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Mentioned in this Paper

Gene Deletion
Malignant Neoplasms
Massively-Parallel Sequencing
Gene Insertion
Molecular_function
Nucleotides
Species
Analysis
BCSC-1 Protein
Laboratory mice

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