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    DNA dioxygenases Tet2/3 regulate gene promoter accessibility and chromatin topology in lineage-specific loci to control epithelial differentiation

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    Fessing_et_al_Science_Advances.pdf (3.164Mb)
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    Publication date
    2023-01
    Author
    Chen, G-D.
    Fatima, I.
    Xu, Q,
    Rozhkova, E.
    Fessing, Michael Y.
    Mardaryev, Andrei N.
    Sharov, A.A.
    Xu, G-L.
    Botchkarev, Vladimir A.
    Keyword
    DNA dioxygenases Tet2/3
    Lineage-specific differentiation programs
    DNA demethylation
    Chromatin topology
    Epithelial cells
    Research Development Fund Publication Prize Award
    Rights
    © 2023 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC). https://creativecommons.org/licenses/by-nc/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial license, which permits use, distribution, and reproduction in any medium, so long as the resultant use is not for commercial advantage and provided the original work is properly cited.
    Peer-Reviewed
    Yes
    Open Access status
    openAccess
    
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    Abstract
    Execution of lineage-specific differentiation programs requires tight coordination between many regulators including Ten-eleven translocation (TET) family enzymes, catalyzing 5-methylcytosine oxidation in DNA. Here, by using Keratin 14–Cre–driven ablation of Tet genes in skin epithelial cells, we demonstrate that ablation of Tet2/Tet3 results in marked alterations of hair shape and length followed by hair loss. We show that, through DNA demethylation, Tet2/Tet3 control chromatin accessibility and Dlx3 binding and promoter activity of the Krt25 and Krt28 genes regulating hair shape, as well as regulate interactions between the Krt28 gene promoter and distal enhancer. Moreover, Tet2/Tet3 also control three-dimensional chromatin topology in Keratin type I/II gene loci via DNA methylation–independent mechanisms. These data demonstrate the essential roles for Tet2/3 in establishment of lineage-specific gene expression program and control of Dlx3/Krt25/Krt28 axis in hair follicle epithelial cells and implicate modulation of DNA methylation as a novel approach for hair growth control.
    URI
    http://hdl.handle.net/10454/19330
    Version
    Published version
    Citation
    Chen G-D, Fatima I, Xu Q et al (2023) DNA dioxygenases Tet2/3 regulate gene promoter accessibility and chromatin topology in lineage-specific loci to control epithelial differentiation. Science Advances. 9(2): eabo7605.
    Link to publisher’s version
    https://doi.org/10.1126/sciadv.abo7605
    Type
    Article
    Notes
    Research Development Fund Publication Prize Award winner, Dec 2022.
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    Life Sciences Publications

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