The DOI matches its Crossref record; 19 of the 19 references it cites were found in a registry or an index.
Analysis of array CGH data: from signal ratio to gain and loss of DNA regions
Open accessAbstract
Motivation: Genomic DNA regions are frequently lost or gained during tumor progression. Array Comparative Genomic Hybridization (array CGH) technology makes it possible to assess these changes in DNA in cancers, by comparison with a normal reference. The identification of systematically deleted or amplified genomic regions in a set of tumors enables biologists to identify genes involved in cancer progression because tumor suppressor genes are thought to be located in lost genomic regions and oncogenes, in gained regions. Array CGH profiles should also improve the classification of tumors. The achievement of these goals requires a methodology for detecting the breakpoints delimiting altered regions in genomic patterns and assigning a status (normal, gained or lost) to each chromosomal region. Results: We have developed a methodology for the automatic detection of breakpoints from array CGH profile, and the assignment of a status to each chromosomal region. The breakpoint detection step is based on the Adaptive Weights Smoothing (AWS) procedure and provides highly convincing results: our algorithm detects 97, 100 and 94% of breakpoints in simulated data, karyotyping results and manually analyzed profiles, respectively. The percentage of correctly assigned statuses ranges from 98.9 to 99.8% for simulated data and is 100% for karyotyping results. Our algorithm also outperforms other solutions on a public reference dataset. Availability: The R package GLAD (Gain and Loss Analysis of DNA) is available upon request
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Cites
Circular binary segmentation for the analysis of array-based DNA copy number data
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Self-citation
Cited by
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Beroukhim, R., Mermel, C. H., Porter, D., Wei, G., Raychaudhuri, S., Donovan, J., Barretina, J., Boehm, J. S., Dobson, J., Urashima, M., et al. (2010) · Nature · doi:10.1038/nature08822 · Cited by 4,017
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Characterizing the cancer genome in lung adenocarcinoma
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Array comparative genomic hybridization and its applications in cancer
Pinkel, D., & Albertson, D. G. (2005) · Nature Genetics · doi:10.1038/ng1569 · Cited by 585
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Metadata
- Authors
- Hupé, P., Stransky, N., Thiery, J.-P., Radvanyi, F., & Barillot, E.
- Venue
- Bioinformatics
- Publisher
- Oxford University Press (OUP)
- Published
- 2004-09-30
- Volume
- 20
- Issue
- 18
- Pages
- 3413-3422
- ISSN
- 1367-4803 (ISSN-L)
- 1367-4811
- OpenAlex
- W2100725331
- Cited by
- 521
- References
- 19
- FWCI
- 17.51
- Type
- journal article
- Language
- en
- Open access
- bronze
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