Acute Depletion Redefines the Division of Labor among DNA Methyltransferases in Methylating the Human Genome

Rochelle L. Tiedemann, Emily L. Putiri, Jeong Heon Lee, Ryan A. Hlady, Katsunobu Kashiwagi, Tamas Ordog, Zhiguo Zhang, Chen Liu, Jeong-Hyeon Choi, Keith D. Robertson

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

Global patterns of DNA methylation, mediated by the DNA methyltransferases (DNMTs), are disrupted in all cancers by mechanisms that remain largely unknown, hampering their development as therapeutic targets. Combinatorial acute depletion of all DNMTs in a pluripotent human tumor cell line, followed by epigenome and transcriptome analysis, revealed DNMT functions in fine detail. DNMT3B occupancy regulates methylation during differentiation, whereas an unexpected interplay was discovered in which DNMT1 and DNMT3B antithetically regulate methylation and hydroxymethylation in gene bodies, a finding confirmed in other cell types. DNMT3B mediated non-CpG methylation, whereas DNMT3L influenced the activity of DNMT3B toward non-CpG versus CpG site methylation. Altogether, these data reveal functional targets of each DNMT, suggesting that isoform selective inhibition would be therapeutically advantageous.

Original languageEnglish (US)
Pages (from-to)1554-1566
Number of pages13
JournalCell Reports
Volume9
Issue number4
DOIs
StatePublished - Nov 20 2014

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Methylation
Methyltransferases
Human Genome
Genes
Personnel
DNA
Gene Expression Profiling
DNA Methylation
Tumor Cell Line
Tumors
Protein Isoforms
Cells
Neoplasms
Therapeutics

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Tiedemann, R. L., Putiri, E. L., Lee, J. H., Hlady, R. A., Kashiwagi, K., Ordog, T., ... Robertson, K. D. (2014). Acute Depletion Redefines the Division of Labor among DNA Methyltransferases in Methylating the Human Genome. Cell Reports, 9(4), 1554-1566. https://doi.org/10.1016/j.celrep.2014.10.013

Acute Depletion Redefines the Division of Labor among DNA Methyltransferases in Methylating the Human Genome. / Tiedemann, Rochelle L.; Putiri, Emily L.; Lee, Jeong Heon; Hlady, Ryan A.; Kashiwagi, Katsunobu; Ordog, Tamas; Zhang, Zhiguo; Liu, Chen; Choi, Jeong-Hyeon; Robertson, Keith D.

In: Cell Reports, Vol. 9, No. 4, 20.11.2014, p. 1554-1566.

Research output: Contribution to journalArticle

Tiedemann, RL, Putiri, EL, Lee, JH, Hlady, RA, Kashiwagi, K, Ordog, T, Zhang, Z, Liu, C, Choi, J-H & Robertson, KD 2014, 'Acute Depletion Redefines the Division of Labor among DNA Methyltransferases in Methylating the Human Genome', Cell Reports, vol. 9, no. 4, pp. 1554-1566. https://doi.org/10.1016/j.celrep.2014.10.013
Tiedemann, Rochelle L. ; Putiri, Emily L. ; Lee, Jeong Heon ; Hlady, Ryan A. ; Kashiwagi, Katsunobu ; Ordog, Tamas ; Zhang, Zhiguo ; Liu, Chen ; Choi, Jeong-Hyeon ; Robertson, Keith D. / Acute Depletion Redefines the Division of Labor among DNA Methyltransferases in Methylating the Human Genome. In: Cell Reports. 2014 ; Vol. 9, No. 4. pp. 1554-1566.
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