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Identification of significant regional genetic variations using continuous CNV values in aCGH data

 Ki-Yeol Kim  ;  Gui Youn Lee  ;  Jin Kim  ;  Hei-Cheul Jeung  ;  Hyun Cheol Chung  ;  Sun Young Rha 
 Genomics, Vol.94(5) : 317-323, 2009 
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Array comparative genomic hybridization (aCGH) provides a technique to survey the human genome for chromosomal aberrations in disease. The identification of genomic regions with aberrations may clarify the initiation and progression of cancer, improve diagnostic and prognostic accuracy, and guide therapy. The analysis of variance (ANOVA) model is widely used to detect differentially expressed genes after accounting for common sources of variation in microarray analysis. In this study, we propose a method, shifted ANOVA, to detect significantly altered regions. This method, based on the standard ANOVA, analyzes changes in copy number variation for regions. The selected regions have the group effect only, but no effect within samples and no interactive effects. The performance of the proposed method is evaluated from the homogeneity and classification accuracies of the selected regions. Shifted ANOVA may identify new candidate genes neighboring known because it detects significantly altered chromosomal regions, rather than independent probes.
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1. Journal Papers (연구논문) > 2. College of Dentistry (치과대학) > Dept. of Oral Pathology (구강병리학교실)
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Yonsei Biomedical Research Center (연세의생명연구원)
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실)
1. Journal Papers (연구논문) > 5. Research Institutes (연구소) > Oral Cancer Research Institute (구강종양연구소)
Yonsei Authors
김기열(Kim, Ki Yeol) ORCID logo https://orcid.org/0000-0001-5357-1067
김진(Kim, Jin)
라선영(Rha, Sun Young)
이귀연(Lee, Gui Youn)
정현철(Chung, Hyun Cheol) ORCID logo https://orcid.org/0000-0002-0920-9471
정희철(Jeung, Hei Cheul)
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