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Genome Biol. 2010;11(9):R92. doi: 10.1186/gb-2010-11-9-r92. Epub 2010 Sep 21.

A statistical approach for detecting genomic aberrations in heterogeneous tumor samples from single nucleotide polymorphism genotyping data.

Author information

  • 1Department of Statistics, University of Oxford, South Parks Road, Oxford, OX1 3TG, UK. yau@stats.ox.ac.uk

Abstract

We describe a statistical method for the characterization of genomic aberrations in single nucleotide polymorphism microarray data acquired from cancer genomes. Our approach allows us to model the joint effect of polyploidy, normal DNA contamination and intra-tumour heterogeneity within a single unified Bayesian framework. We demonstrate the efficacy of our method on numerous datasets including laboratory generated mixtures of normal-cancer cell lines and real primary tumours.

PMID:
20858232
[PubMed - indexed for MEDLINE]
PMCID:
PMC2965384
Free PMC Article

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