Cited by 21Epigenetics and DNA MethylationCancer-related molecular mechanisms researchChromatin Remodeling and Cancer

Genome-wide methylated CpG island profiles of melanoma cells reveal a melanoma coregulation network

Open access
Li, Jian-Liang, Mazar, Joseph, Zhong, Cuncong, Faulkner, Geoffrey J., Govindarajan, Subramaniam S., Zhang, Zhan, Dinger, Marcel E., Meredith, Gavin +5 more·2013·Scientific Reports

Abstract

Metastatic melanoma is a malignant cancer with generally poor prognosis, with no targeted chemotherapy. To identify epigenetic changes related to melanoma, we have determined genome-wide methylated CpG island distributions by next-generation sequencing. Melanoma chromosomes tend to be differentially methylated over short CpG island tracts. CpG islands in the upstream regulatory regions of many coding and noncoding RNA genes, including, for example, TERC, which encodes the telomerase RNA, exhibit extensive hypermethylation, whereas several repeated elements, such as LINE 2 and several LTR elements, are hypomethylated in advanced stage melanoma cell lines. By using CpG island demethylation profiles and by integrating these data with RNA-seq data obtained from melanoma cells, we have identified a co-expression network of differentially methylated genes with significance for cancer related functions. Focused assays of melanoma patient tissue samples for CpG island methylation near the noncoding RNA gene SNORD-10 demonstrated high specificity.

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  • Statistically significant correlations observed between DNA methylation and gene expression accounted for relatively small effects.

    “The statistically significant correlations that were observed, however, accounted for relatively small effects.”

    From A survey of best practices for RNA-seq data analysis (2016) · cites this paper as [139]

  • Pairwise DNA-methylation and RNA-seq integration has mostly consisted of the analysis of the correlation between DEGs and methylation patterns.

    “Pairwise DNA-methylation and RNA-seq integration, for the most part, has consisted of the analysis of the correlation between DEGs and methylation patterns [138–140].”

    From A survey of best practices for RNA-seq data analysis (2016) · cites this paper as [139]

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Authors
Li, J.-L., Mazar, J., Zhong, C., Faulkner, G. J., Govindarajan, S. S., Zhang, Z., Dinger, M. E., Meredith, G., Adams, C., Zhang, S., Mattick, J. S., Ray, A., & Perera, R. J.
Affiliations
  • Sanford Burnham Prebys Medical Discovery Institute (US)
  • University of Central Florida (US)
  • The University of Queensland (AU)
  • Garvan Institute of Medical Research (AU)
  • Keck Graduate Institute (US)
Corresponding author
  • Ray, Animesh
  • Perera, Ranjan J.
Venue
Scientific Reports
Published
2013-10-16
Volume
3
Issue
1
Pages
2962-2962
ISSN
2045-2322 (ISSN-L)
OpenAlex
W2061105371
Cited by
21
References
89
Citations by year
2026: 1 · 2024: 2 · 2022: 2 · 2020: 1 · 2019: 1 · 2018: 3 · 2017: 2 · 2016: 3 · 2015: 4 · 2014: 2
FWCI
1.34
Type
journal article
Language
en
Open access
Locations
  • Scientific Reports (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Journal of International Crisis and Risk Communication Research (submittedVersion)
Funders
  • National Science Foundation (0527023)
  • Life Technologies Corporation
  • CHDI Foundation
  • National Institutes of Health
  • National Cancer Institute (R03CA165184)
  • National Institute of General Medical Sciences (R01GM084881)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer-related molecular mechanisms research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chromatin Remodeling and Cancer
Keywords
melanoma, DNA methylation, CpG islands, differentially methylated regions, epigenetics, co-expression network, TERC, telomerase RNA, LTR retrotransposons, non-coding RNA, gene expression regulation, metastatic melanoma
MeSH terms
Humans, Melanoma, Repetitive Sequences, Nucleic Acid, Gene Expression Regulation, Neoplastic, Cluster Analysis, CpG Islands, DNA Methylation, Gene Expression Profiling, Gene Order, Epigenesis, Genetic, Cell Line, Tumor, Gene Regulatory Networks, Genome-Wide Association Study

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