Cited by 170Epigenetics and DNA MethylationGenomics and Chromatin DynamicsT-cell and B-cell Immunology

Tet2 and Tet3 cooperate with B-lineage transcription factors to regulate DNA modification and chromatin accessibility

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Lio, Chan-Wang, Zhang, Jiayuan, González-Avalos, Edahí, Hogan, Patrick G, Chang, Xing, Rao, Anjana·2016·eLife

Abstract

Ten-eleven translocation (TET) enzymes oxidize 5-methylcytosine, facilitating DNA demethylation and generating new epigenetic marks. Here we show that concomitant loss of Tet2 and Tet3 in mice at early B cell stage blocked the pro- to pre-B cell transition in the bone marrow, decreased Irf4 expression and impaired the germline transcription and rearrangement of the Igκ locus. Tet2/3-deficient pro-B cells showed increased CpG methylation at the Igκ 3’ and distal enhancers that was mimicked by depletion of E2A or PU.1, as well as a global decrease in chromatin accessibility at enhancers. Importantly, re-expression of the Tet2 catalytic domain in Tet2/3-deficient B cells resulted in demethylation of the Igκ enhancers and restored their chromatin accessibility. Our data suggest that TET proteins and lineage-specific transcription factors cooperate to influence chromatin accessibility and Igκ enhancer function by modulating the modification status of DNA.

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Crossref · 10.7554/elife.18290

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  • PU.1 can physically interact with the myeloid master transcription factor.

    “which can physically interact with the myeloid master transcription factor (TF; Supplementary Fig. S5K and S5L; ref. 34).”

    From PU.1-Dependent Enhancer Inhibition Separates <i>Tet2</i> -Deficient Hematopoiesis from Malignant Transformation (2022) · cites this paper as [34]

    The Results section (‘Functional and physical interaction between TET proteins and E2A/PU.1’; page unavailable) reports a direct interaction between TET2 and PU.1. The Discussion identifies PU.1 as a key transcription factor in the myeloid lineage. The paper does not establish the claim as phrased—that PU.1 interacts with a separate myeloid master transcription factor. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • Tet2 binds and governs site-specific DNA demethylation upon being recruited to chromatin by DNA-binding transcription factors, such as RUNX1 or PU.1.

    “Tet2 binds and governs site-specific DNA demethylation upon being recruited to the chromatin by DNA-binding TF, such as RUNX1 (51) or PU.1 (34)”

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Authors
Lio, C.-W., Zhang, J., González-Avalos, E., Hogan, P. G., Chang, X., & Rao, A.
Affiliations
  • Division of Signaling and Gene Expression, San Diego, United States
  • Shanghai Jiao Tong University (CN)
  • University of California San Diego (US)
Corresponding author
  • Chang, Xing
  • Rao, Anjana
Venue
eLife
Published
2016-11-21
Volume
5
ISSN
2050-084X (ISSN-L)
OpenAlex
W2552742463
Cited by
170
References
83
Citations by year
2026: 9 · 2025: 11 · 2024: 14 · 2023: 14 · 2022: 25 · 2021: 22 · 2020: 24 · 2019: 22 · 2018: 21 · 2017: 8
FWCI
8.84
Type
journal article
Language
en
Open access
Locations
  • eLife (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Cancer Research Institute (Irvington Postdoctoral Fellowship)
  • Ministry of Science and Technology of the People's Republic of China (2014CB943600)
  • National Institutes of Health (AI44432, CA151535)
  • Leukemia and Lymphoma Society (6187-12)
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 › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
Keywords
TET2, TET3, B cell development, IRF4, germline transcription, DNA demethylation, 5-methylcytosine oxidation, CpG methylation, E2A, PU.1, transcription factor cooperation, bone marrow
MeSH terms
Interferon Regulatory Factor-4, Animals, B-Lymphocytes, Cell Differentiation, Chromatin, DNA, DNA-Binding Proteins, Gene Expression Regulation, Proto-Oncogene Proteins, Transcription, Genetic, 5-Methylcytosine, Dioxygenases, Interferon Regulatory Factors, Mice, Gene Knockout Techniques

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