Cited by 1,226Epigenetics and DNA MethylationGenomics and Chromatin DynamicsCancer-related gene regulation

Polycomb-mediated methylation on Lys27 of histone H3 pre-marks genes for de novo methylation in cancer

Schlesinger, Yeshayahu, Straussman, Ravid, Keshet, Ilana, Farkash, Shlomit, Hecht, Merav, Zimmerman, Joseph, Eden, Eran, Yakhini, Zohar +5 more·2007·Nature Genetics

Abstract

Many genes associated with CpG islands undergo de novo methylation in cancer. Studies have suggested that the pattern of this modification may be partially determined by an instructive mechanism that recognizes specifically marked regions of the genome. Using chromatin immunoprecipitation analysis, here we show that genes methylated in cancer cells are specifically packaged with nucleosomes containing histone H3 trimethylated on Lys27. This chromatin mark is established on these unmethylated CpG island genes early in development and then maintained in differentiated cell types by the presence of an EZH2-containing Polycomb complex. In cancer cells, as opposed to normal cells, the presence of this complex brings about the recruitment of DNA methyl transferases, leading to de novo methylation. These results suggest that tumor-specific targeting of de novo methylation is pre-programmed by an established epigenetic system that normally has a role in marking embryonic genes for repression.

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Crossref · 10.1038/ng1950

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Authors
Schlesinger, Y., Straussman, R., Keshet, I., Farkash, S., Hecht, M., Zimmerman, J., Eden, E., Yakhini, Z., Ben-Shushan, E., Reubinoff, B. E., Bergman, Y., Simon, I., & Cedar, H.
Affiliations
  • Hebrew University of Jerusalem (IL)
  • Technion – Israel Institute of Technology (IL)
Corresponding author
Cedar, Howard
Venue
Nature Genetics
Published
2006-12-31
Volume
39
Issue
2
Pages
232-236
ISSN
  • 1061-4036 (ISSN-L)
  • 1546-1718
OpenAlex
W1969670934
Cited by
1,226
References
31
Citations by year
2026: 17 · 2025: 41 · 2024: 40 · 2023: 34 · 2022: 33 · 2021: 77 · 2020: 51 · 2019: 47 · 2018: 37 · 2017: 53 · 2016: 68 · 2015: 65 · 2014: 67 · 2013: 80 · 2012: 98
FWCI
27.70
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Genetics (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Prostate Cancer Foundation
  • Philip Morris International
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cancer-related gene regulation
Keywords
Polycomb group proteins, H3K27me3, de novo methylation, CpG islands, EZH2, DNA methyltransferases, epigenetic inheritance, cancer epigenetics
MeSH terms
Carrier Proteins, Cells, Cultured, Colonic Neoplasms, Histones, Humans, Lysine, Methylation, Methyltransferases, Neoplasms, Viral Envelope Proteins, CpG Islands, Caco-2 Cells, DNA Methylation, Epigenesis, Genetic

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