Genomics & Informatics

  • 제14권2호
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  • Pages.46-52
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  • 2016
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  • 1598-866X(pISSN)
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  • 2234-0742(eISSN)
한국유전체학회 (Korea Genome Organization)
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Classification of Colon Cancer Patients Based on the Methylation Patterns of Promoters

  • Choi, Wonyoung (Department of Integrated OMICS for Biomedical Science, Graduate School, Yonsei University) ;
  • Lee, Jungwoo (Department of Integrated OMICS for Biomedical Science, Graduate School, Yonsei University) ;
  • Lee, Jin-Young (Department of Biochemistry, College of Life Science & Biotechnology, Yonsei University) ;
  • Lee, Sun-Min (Department of Biochemistry, College of Life Science & Biotechnology, Yonsei University) ;
  • Kim, Da-Won (Department of Integrated OMICS for Biomedical Science, Graduate School, Yonsei University) ;
  • Kim, Young-Joon (Department of Integrated OMICS for Biomedical Science, Graduate School, Yonsei University)
  • 투고 : 2015.11.25
  • 심사 : 2016.04.25
  • 발행 : 2016.06.30
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초록

Diverse somatic mutations have been reported to serve as cancer drivers. Recently, it has also been reported that epigenetic regulation is closely related to cancer development. However, the effect of epigenetic changes on cancer is still elusive. In this study, we analyzed DNA methylation data on colon cancer taken from The Caner Genome Atlas. We found that several promoters were significantly hypermethylated in colon cancer patients. Through clustering analysis of differentially methylated DNA regions, we were able to define subgroups of patients and observed clinical features associated with each subgroup. In addition, we analyzed the functional ontology of aberrantly methylated genes and identified the G-protein-coupled receptor signaling pathway as one of the major pathways affected epigenetically. In conclusion, our analysis shows the possibility of characterizing the clinical features of colon cancer subgroups based on DNA methylation patterns and provides lists of important genes and pathways possibly involved in colon cancer development.

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참고문헌

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