Cited by 88Telomeres, Telomerase, and SenescenceUbiquitin and proteasome pathwaysGenetics, Aging, and Longevity in Model Organisms

The DOI matches its Crossref record; 74 of the 74 references it cites were found in a registry or an index.

Repression of the SUMO‐specific protease Senp1 induces p53‐dependent premature senescence in normal human fibroblasts

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Abstract

Summary: The proliferative lifespan of normal somatic human cells in culture terminates in a permanent growth‐arrested state known as replicative senescence. In this study, we show that RNA interference‐mediated repression of the genes encoding the small ubiquitin‐related modifier (SUMO)‐specific proteases, Senp1, Senp2, and Senp7, induced low passage primary human fibroblasts to senesce rapidly. Following Senp1 repression, we observed a global increase in sumoylated proteins and in the number and size of nuclear SUMO‐containing promyelocytic leukemia (PML) bodies. SUMO/PML bodies also increased during replicative senescence. p53 transcriptional activity was enhanced towards known p53 target genes following repression of Senp1, and inhibition of p53 function prevented senescence after Senp1 repression. These data indicate that Senp1 repression induces p53‐mediated premature senescence and that SUMO proteases may thus be required for proliferation of normal human cells.

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Crossref · 10.1111/j.1474-9726.2008.00411.x

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  • pksC E. coli infection caused accumulation of SUMO1-conjugated p53 and was associated with a decrease in SENP1 expression.

    “Accordingly, we observed an accumulation of SUMO1-conjugated p53, which is known to drive cellular senescence.17 This accumulation was associated with a decrease in SENP1 expression, a key enzyme involved in the control of the SUMOylation process.17”

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Metadata

Authors
Yates, K. E., Korbel, G. A., Shtutman, M., Roninson, I. B., & DiMaio, D.
Affiliations
  • Yale University (US)
  • Albany Research Institute (US)
Corresponding author
DiMaio, Daniel
Venue
Aging Cell
Publisher
Wiley
Published
2008-09-17
Volume
7
Issue
5
Pages
609-621
ISSN
  • 1474-9718 (ISSN-L)
  • 1474-9726
OpenAlex
W2051158533
Cited by
77
References
74
Citations by year
2026: 2 · 2025: 3 · 2024: 12 · 2023: 3 · 2022: 2 · 2021: 3 · 2020: 6 · 2019: 2 · 2018: 4 · 2017: 5 · 2016: 1 · 2015: 3 · 2014: 6 · 2013: 3 · 2012: 5
FWCI
3.84
Type
journal article
Language
en
Open access
Locations
  • Aging Cell (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • Scholar Commons (University of South Carolina) (submittedVersion)
Funders
  • Yale University
  • National Institutes of Health (5p30ar041942-15)
  • National Institute on Aging (R01AG017921, R01AG028687, AG17921)
  • National Cancer Institute (R33CA095996, CA-16038, CA62099, CA95996, P01CA016038, R01CA062099)
  • National Institute of Allergy and Infectious Diseases (AI55403, T32AI055403)
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (P30-AR-041942, P30-AR41942)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ubiquitin and proteasome pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
Keywords
SENP1, SUMO protease, replicative senescence, premature senescence, p53, SUMOylation, PML bodies, human fibroblasts, cell proliferation, RNA interference
MeSH terms
Aged, Aging, Cells, Cultured, Cysteine Endopeptidases, Enzyme Repression, Fibroblasts, Humans, Endopeptidases, Down-Regulation, Tumor Suppressor Protein p53, SUMO-1 Protein, RNA Interference, Cell Proliferation

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