Journal
BIOINFORMATICS
Volume 27, Issue 6, Pages 887-888Publisher
OXFORD UNIV PRESS
DOI: 10.1093/bioinformatics/btr019
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Funding
- Academy of Finland [125826]
- Sigrid Juselius Foundation
- Finnish Cancer Associations and Biocentrum Helsinki
- Academy of Finland (AKA) [125826, 125826] Funding Source: Academy of Finland (AKA)
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Summary: Gene copy number and DNA methylation alterations are key regulators of gene expression in cancer. Accordingly, genes that show simultaneous methylation, copy number and expression alterations are likely to have a key role in tumor progression. We have implemented a novel software package (CNAmet) for integrative analysis of high-throughput copy number, DNA methylation and gene expression data. To demonstrate the utility of CNAmet, we use copy number, DNA methylation and gene expression data from 50 glioblastoma multiforme and 188 ovarian cancer primary tumor samples. Our results reveal a synergistic effect of DNA methylation and copy number alterations on gene expression for several known oncogenes as well as novel candidate oncogenes.
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