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Integrative Annotation of Variants from 1092 Humans: Application to Cancer Genomics

Author(s)
Khurana, Ekta; Fu, Yao; Colonna, Vincenza; Mu, Xinmeng Jasmine; Kang, Hyun Min; Lappalainen, Tuuli; Sboner, Andrea; Lochovsky, Lucas; Chen, Jieming; Harmanci, Arif; Das, Jishnu; Abyzov, Alexej; Balasubramanian, Suganthi; Beal, Kathryn; Chakravarty, Dimple; Challis, Daniel; Chen, Yuan; Clarke, Declan; Clarke, Laura; Cunningham, Fiona; Evani, Uday S.; Flicek, Paul; Fragoza, Robert; Garrison, Erik; Gibbs, Richard; Gümüş, Zeynep H.; Herrero, Javier; Kitabayashi, Naoki; Kong, Yong; Lage, Kasper; Liluashvili, Vaja; Lipkin, Steven M.; MacArthur, Daniel G.; Marth, Gabor; Muzny, Donna; Pers, Tune H.; Ritchie, Graham R. S.; Rosenfeld, Jeffrey A.; Sisu, Cristina; Wei, Xiaomu; Wilson, Michael; Xue, Yali; Yu, Fuli; Dermitzakis, Emmanouil T.; Yu, Haiyuan; Rubin, Mark A.; Tyler-Smith, Chris; Gerstein, Mark; ... Show more Show less
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Creative Commons Attribution-Noncommercial-Share Alike http://creativecommons.org/licenses/by-nc-sa/4.0/
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Abstract
Interpreting variants, especially noncoding ones, in the increasing number of personal genomes is challenging. We used patterns of polymorphisms in functionally annotated regions in 1092 humans to identify deleterious variants; then we experimentally validated candidates. We analyzed both coding and noncoding regions, with the former corroborating the latter. We found regions particularly sensitive to mutations ("ultrasensitive") and variants that are disruptive because of mechanistic effects on transcription-factor binding (that is, " motif-breakers"). We also found variants in regions with higher network centrality tend to be deleterious. Insertions and deletions followed a similar pattern to single-nucleotide variants, with some notable exceptions (e.g., certain deletions and enhancers). On the basis of these patterns, we developed a computational tool (FunSeq), whose application to ∼90 cancer genomes reveals nearly a hundred candidate noncoding drivers.
Date issued
2013-10
URI
https://hdl.handle.net/1721.1/125557
Department
Broad Institute of MIT and Harvard
Journal
Science
Publisher
American Association for the Advancement of Science (AAAS)
Citation
Khurana, Ekta et al. "Research Article Integrative Annotation of Variants from 1092 Humans: Application to Cancer Genomics." Science 342, 6154 (October 2013): 1235587 © 2013 American Association for the Advancement of Science
Version: Author's final manuscript
ISSN
0036-8075
1095-9203

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