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Cited by 476

The DOI matches its Crossref record; 14 of the 14 references it cites were found in a registry or an index.

Targeted disruption of DNMT1, DNMT3A and DNMT3B in human embryonic stem cells

Open access
Liao, Jing, Karnik, Rahul, Gu, Hongcang, Ziller, Michael J, Clement, Kendell, Tsankov, Alexander M, Akopian, Veronika, Gifford, Casey A, Donaghey, Julie, Galonska, Christina, Pop, Ramona, Reyon, Deepak, Tsai, Shengdar Q, Mallard, William, Joung, J Keith, Rinn, John L, Gnirke, Andreas, Meissner, Alexander·2015·Nature Genetics

Abstract

DNA methylation is a key epigenetic modification involved in regulating gene expression and maintaining genomic integrity. Here we inactivated all three catalytically active DNA methyltransferases (DNMTs) in human embryonic stem cells (ESCs) using CRISPR/Cas9 genome editing to further investigate the roles and genomic targets of these enzymes. Disruption of DNMT3A or DNMT3B individually as well as of both enzymes in tandem results in viable, pluripotent cell lines with distinct effects on the DNA methylation landscape, as assessed by whole-genome bisulfite sequencing. Surprisingly, in contrast to findings in mouse, deletion of DNMT1 resulted in rapid cell death in human ESCs. To overcome this immediate lethality, we generated a doxycycline-responsive tTA-DNMT1* rescue line and readily obtained homozygous DNMT1-mutant lines. However, doxycycline-mediated repression of exogenous DNMT1* initiates rapid, global loss of DNA methylation, followed by extensive cell death. Our data provide a comprehensive characterization of DNMT-mutant ESCs, including single-base genome-wide maps of the targets of these enzymes.

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Crossref · 10.1038/ng.3258

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Metadata

Authors
Liao, J., Karnik, R., Gu, H., Ziller, M. J., Clement, K., Tsankov, A. M., Akopian, V., Gifford, C. A., Donaghey, J., Galonska, C., Pop, R., Reyon, D., Tsai, S. Q., Mallard, W., Joung, J. K., Rinn, J. L., Gnirke, A., & Meissner, A.
Venue
Nature Genetics
Published
2015-03-30
Volume
47
Issue
5
Pages
469-478
ISSN
  • 1061-4036 (ISSN-L)
  • 1546-1718
OpenAlex
W1977463456
Cited by
476
References
14
FWCI
23.54
Type
journal article
Language
en
Open access
green

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