Cited by 418Epigenetics and DNA MethylationGenetic Syndromes and ImprintingGenomics and Chromatin Dynamics

DNA methylation loss in late-replicating domains is linked to mitotic cell division

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Zhou, Wanding, Dinh, Huy Q., Ramjan, Zachary, Weisenberger, Daniel J., Nicolet, Charles M., Shen, Hui, Laird, Peter W., Berman, Benjamin P.·2018·Nature Genetics

Abstract

DNA methylation loss occurs frequently in cancer genomes, primarily within lamina-associated, late-replicating regions termed partially methylated domains (PMDs). We profiled 39 diverse primary tumors and 8 matched adjacent tissues using whole-genome bisulfite sequencing (WGBS) and analyzed them alongside 343 additional human and 206 mouse WGBS datasets. We identified a local CpG sequence context associated with preferential hypomethylation in PMDs. Analysis of CpGs in this context ('solo-WCGWs') identified previously undetected PMD hypomethylation in almost all healthy tissue types. PMD hypomethylation increased with age, beginning during fetal development, and appeared to track the accumulation of cell divisions. In cancer, PMD hypomethylation depth correlated with somatic mutation density and cell cycle gene expression, consistent with its reflection of mitotic history and suggesting its application as a mitotic clock. We propose that late replication leads to lifelong progressive methylation loss, which acts as a biomarker for cellular aging and which may contribute to oncogenesis.

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  • Aged cells (and cancer cells) generally lose DNA methylation from gene bodies.

    “It is known that aged cells (and cancer cells) generally lose DNA methylation from gene bodies59”

    From Alternative promoters in CpG depleted regions are prevalently associated with epigenetic misregulation of liver cancer transcriptomes (2023) · cites this paper as [59]

    The Abstract reports methylation loss in cancer and increasing hypomethylation with age, but locates the loss primarily in late-replicating, gene-poor partially methylated domains—not generally in gene bodies. The Results section on replication timing and H3K36me3 reports that CpGs marked by H3K36me3, a mark associated with active gene bodies, remained highly methylated. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • Old yeast cells have decreased H3K36me3 levels and increased intragenic transcripts, while DNA methylation decreases with age in humans.

    “Old yeast cells have decreased H3K36me3 levels and increased intragenic transcripts58, while DNA methylation decreases with age in humans59.”
  • Analysis of whole-genome methylomes of 39 primary tumors in mouse and human shows pronounced loss of methylation at nuclear lamina-associated partially methylated domains located in late-replicating parts of the genome.

    “Analysis of the whole genome methylomes of 39 primary tumors in mouse and human shows a pronounced loss of methylation at nuclear lamina associated partially methylated domains (PMDs) located in late replicating parts of the genome (44).”

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Authors
Zhou, W., Dinh, H. Q., Ramjan, Z., Weisenberger, D. J., Nicolet, C. M., Shen, H., Laird, P. W., & Berman, B. P.
Affiliations
  • Van Andel Institute (US)
  • Cedars-Sinai Medical Center (US)
  • University of Southern California (US)
Corresponding author
  • Shen, Hui
  • Laird, Peter W.
  • Berman, Benjamin P.
Venue
Nature Genetics
Published
2018-04
Volume
50
Issue
4
Pages
591-602
ISSN
  • 1061-4036 (ISSN-L)
  • 1546-1718
OpenAlex
W2795164082
Cited by
405
References
78
Citations by year
2026: 40 · 2025: 52 · 2024: 58 · 2023: 59 · 2022: 55 · 2021: 57 · 2020: 43 · 2019: 26 · 2018: 15
FWCI
12.47
Type
journal article
Language
en
Open access
Locations
  • Nature Genetics (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Ovarian Cancer Research Fund (373933)
  • University of Southern California
  • Cedars-Sinai Medical Center
  • National Institutes of Health
  • National Human Genome Research Institute (R01HG006705)
  • National Cancer Institute (U24CA143882, R01CA170550, CA184826, U24CA210969, U01CA184826)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Syndromes and Imprinting
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
DNA methylation loss, partially methylated domains, cellular aging, cell cycle gene expression, cancer epigenetics, fetal development, carcinogenesis, age-related methylation
MeSH terms
Whole Genome Sequencing, Aging, Animals, Cell Division, DNA Replication, DNA, Neoplasm, Female, Humans, Male, Mitosis, Neoplasms, Pregnancy, CpG Islands, DNA Methylation, Embryonic Development, Mice

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