Cited by 164Telomeres, Telomerase, and SenescenceGenomics and Chromatin DynamicsEpigenetics and DNA Methylation

Histone Acetyltransferase p300 Induces De Novo Super-Enhancers to Drive Cellular Senescence

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Sen, Payel, Lan, Yemin, Li, Catherine Y., Sidoli, Simone, Donahue, Greg, Dou, Zhixun, Frederick, Brian, Chen, Qijun +7 more·2019·Molecular Cell

Abstract

Accumulation of senescent cells during aging contributes to chronic inflammation and age-related diseases. While senescence is associated with profound alterations of the epigenome, a systematic view of epigenetic factors in regulating senescence is lacking. Here, we curated a library of short hairpin RNAs for targeted silencing of all known epigenetic proteins and performed a high-throughput screen to identify key candidates whose downregulation can delay replicative senescence of primary human cells. This screen identified multiple new players including the histone acetyltransferase p300 that was found to be a primary driver of the senescent phenotype. p300, but not the paralogous CBP, induces a dynamic hyper-acetylated chromatin state and promotes the formation of active enhancer elements in the non-coding genome, leading to a senescence-specific gene expression program. Our work illustrates a causal role of histone acetyltransferases and acetylation in senescence and suggests p300 as a potential therapeutic target for senescence and age-related diseases.

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Crossref · 10.1016/j.molcel.2019.01.021

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  • Genome-wide analysis of H3K4me3, H3K27me3 and H3K27ac in senescent cells reveals dynamic acquisition and depletion of large-scale chromatin domains proposed to regulate key senescence downstream effectors.

    “Genome-wide analysis of H3 Lys4 trimethylation, H3 Lys27 trimethylation and H3 Lys27 acetylation in senescent cells has also revealed the dynamic acquisition and depletion of large-scale chromatin domains that have been proposed to regulate the expression of key senescence downstream effectors68–72”

    From Cellular senescence in ageing: from mechanisms to therapeutic opportunities (2021) · cites this paper as [72]

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Authors
Sen, P., Lan, Y., Li, C. Y., Sidoli, S., Donahue, G., Dou, Z., Frederick, B., Chen, Q., Luense, L. J., Garcia, B. A., Dang, W., Johnson, F. B., Adams, P. D., Schultz, D. C., & Berger, S. L.
Affiliations
  • University of Pennsylvania (US)
  • Baylor College of Medicine (US)
  • Sanford Burnham Prebys Medical Discovery Institute (US)
Corresponding author
Berger, Shelley L.
Venue
Molecular Cell
Publisher
Elsevier BV
Published
2019-02
Volume
73
Issue
4
Pages
684-698.e8
ISSN
1097-2765 (ISSN-L)
OpenAlex
W2913142344
Cited by
164
References
54
Citations by year
2026: 27 · 2025: 13 · 2024: 26 · 2023: 24 · 2022: 20 · 2021: 25 · 2020: 23 · 2019: 6
FWCI
12.69
Type
journal article
Language
en
Open access
Locations
  • Molecular Cell (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • NIH (P01AG031862, CA196539, GM110174, AI118891)
  • CPRIT (R1306)
  • Ted Nash Long Life Foundation
  • American Heart Association (15POST21230000)
  • AFAR (DIAMOND 17113)
Topics
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
Keywords
P300, cellular senescence, super-enhancers, histone acetyltransferase, histone acetylation, replicative senescence, epigenetic regulation, non-coding genome, senescence-associated gene expression, CBP, aging, age-related diseases, therapeutic target
MeSH terms
p300-CBP-Associated Factor, Acetylation, Chromatin, Fibroblasts, Histones, Humans, Protein Processing, Post-Translational, Time Factors, Transcription, Genetic, Signal Transduction, Cellular Senescence, RNA Interference, RNA, Small Interfering, Chromatin Assembly and Disassembly, Cell Proliferation, p300-CBP Transcription Factors, HEK293 Cells, High-Throughput Nucleotide Sequencing, Epigenetic Repression

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