Cited by 84Genomics and Chromatin DynamicsTelomeres, Telomerase, and SenescenceEpigenetics and DNA Methylation

ATF3 drives senescence by reconstructing accessible chromatin profiles

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Zhang, Chao, Zhang, Xuebin, Huang, Li, Guan, Yiting, Huang, Xiaoke, Tian, Xiao‐Li, Zhang, Lijun, Tao, Wei·2021·Aging Cell

Published version of a preprint

Abstract

Chromatin organization and transcriptional profiles undergo tremendous reordering during senescence. However, uncovering the regulatory mechanisms between chromatin reconstruction and gene expression in senescence has been elusive. Here, we depicted the landscapes of both chromatin accessibility and gene expression to reveal gene regulatory networks in human umbilical vein endothelial cell (HUVEC) senescence and found that chromatin accessibilities are redistributed during senescence. Particularly, the intergenic chromatin was massively shifted with the increased accessibility regions (IARs) or decreased accessibility regions (DARs), which were mainly enhancer elements. We defined AP‐1 transcription factor family as being responsible for driving chromatin accessibility reconstruction in IARs, where low DNA methylation improved binding affinity of AP‐1 and further increased the chromatin accessibility. Among AP‐1 transcription factors, we confirmed ATF3 was critical to reconstruct chromatin accessibility to promote cellular senescence. Our results described a dynamic landscape of chromatin accessibility whose remodeling contributes to the senescence program, we identified that AP‐1 was capable of reorganizing the chromatin accessibility profile to regulate senescence.

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  • Genes upregulated in at least three senescent populations included NFKB1, KLF6, and ATF3.

    “These included the previously discussed TF NFKB1, known for SASP regulation, as well as KLF6 and ATF3, both implicated in p21 regulation and senescence establishment.61,62,63”

    From Cellular senescence in human liver under normal aging and cancer (2026) · cites this paper as [63]

    The Results section ('AP-1 promotes senescence by regulating chromatin accessibility in IARs'; page unavailable) reports that ATF3 promotes senescence and measures CDKN1A, the gene encoding p21, after ATF3 overexpression. It does not establish the cited sentence's corresponding claim about KLF6 or report that NFKB1, KLF6, and ATF3 were upregulated in at least three senescent populations. (LLM, conf=0.85)

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  • KLF6 and ATF3 are implicated in p21 regulation and senescence establishment.

    “as well as KLF6 and ATF3, both implicated in p21 regulation and senescence establishment.61,62,63”

    From Cellular senescence in human liver under normal aging and cancer (2026) · cites this paper as [63]

    The Results section reports that ATF3 promotes senescence in HUVECs, and Figure 6(a) includes CDKN1A (p21) mRNA among the measurements after ATF3 overexpression. Our copy does not establish KLF6’s role in p21 regulation or senescence, so it supports only the ATF3 portion of the cited statement. (LLM, conf=0.85)

    Experimental — accuracy not yet measured

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Authors
Zhang, C., Zhang, X., Huang, L., Guan, Y., Huang, X., Tian, X., Zhang, L., & Tao, W.
Affiliations
  • Peking University (CN)
  • Nanchang University (CN)
Corresponding author
Tao, Wei
Venue
Aging Cell
Publisher
Wiley
Published
2021-02-04
Volume
20
Issue
3
Pages
e13315-e13315
ISSN
  • 1474-9718 (ISSN-L)
  • 1474-9726
OpenAlex
W3127751237
Cited by
84
References
105
Citations by year
2026: 17 · 2025: 18 · 2024: 13 · 2023: 14 · 2022: 14 · 2021: 8
FWCI
3.85
Type
journal article
Language
en
Open access
Locations
  • Aging Cell (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
National Natural Science Foundation of China (2020YFC2002903, 31871312, 31471205, 31671426)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
Keywords
ATF3, cellular senescence, chromatin accessibility, chromatin organization, AP-1 transcription factor, enhancers, DNA methylation, gene regulatory networks, human umbilical vein endothelial cells, gene expression reprogramming
MeSH terms
Chromatin, Gene Expression Regulation, Humans, Transcription, Genetic, Genome, Human, Cellular Senescence, Transcription Factor AP-1, DNA Methylation, Activating Transcription Factor 3, Gene Regulatory Networks, HEK293 Cells, Human Umbilical Vein Endothelial Cells

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