Cited by 972Telomeres, Telomerase, and SenescenceAdvanced biosensing and bioanalysis techniquesGenomics and Chromatin Dynamics

The DOI matches its Crossref record; 43 of the 45 references it cites were found in a registry or an index; 17 of the 23 sources its claims cite were checked for support.

Unmasking Transcriptional Heterogeneity in Senescent Cells

Open access
Hernandez-Segura, Alejandra, de Jong, Tristan V., Melov, Simon, Guryev, Victor, Campisi, Judith, Demaria, Marco·2017·Current Biology

Abstract

Cellular senescence is a state of irreversibly arrested proliferation, often induced by genotoxic stress [1]. Senescent cells participate in a variety of physiological and pathological conditions, including tumor suppression [2], embryonic development [3, 4], tissue repair [5-8], and organismal aging [9]. The senescence program is variably characterized by several non-exclusive markers, including constitutive DNA damage response (DDR) signaling, senescence-associated β-galactosidase (SA-βgal) activity, increased expression of the cyclin-dependent kinase (CDK) inhibitors p16INK4A (CDKN2A) and p21CIP1 (CDKN1A), increased secretion of many bio-active factors (the senescence-associated secretory phenotype, or SASP), and reduced expression of the nuclear lamina protein LaminB1 (LMNB1) [1]. Many senescence-associated markers result from altered transcription, but the senescent phenotype is variable, and methods for clearly identifying senescent cells are lacking [10]. Here, we characterize the heterogeneity of the senescence program using numerous whole-transcriptome datasets generated by us or publicly available. We identify transcriptome signatures associated with specific senescence-inducing stresses or senescent cell types and identify and validate genes that are commonly differentially regulated. We also show that the senescent phenotype is dynamic, changing at varying intervals after senescence induction. Identifying novel transcriptome signatures to detect any type of senescent cell or to discriminate among diverse senescence programs is an attractive strategy for determining the diverse biological roles of senescent cells and developing specific drug targets.

Overview

Integrity signals

Registry

Crossref · 10.1016/j.cub.2017.07.033

Cites

43 of 43 references verified0 citation errors · 0 not checkable

Statistics

Nothing to recompute.

Verification

Claims the paper makes

17 of 23 cited sources checked · 9 supported · 0 flagged · accuracy not yet measured

Show all 34 claims

  • Probably not a substantial claim. 14
  • It may state two separate claims as one. 23
32 of 32
  • The paper relies on this without support.

    Many senescence-associated markers arise from altered transcription.

    “Many senescence-associated markers result from altered transcription, but the senescent phenotype is variable, and methods for clearly identifying senescent cells are lacking [10].”
  • The paper relies on this without support.

    SA-βgal activity and growth arrest are valid indicators of senescence status.

    “senescence status was confirmed by SA-βgal activity and growth arrest (Figure S2A).”
    “Senescence status was confirmed by SA-βgal activity (Figure S3A), lack of 5-ethynyl-2′-deoxyuridine (EdU) incorporation (Figure S3B), and increased expression of p16INK4a and p21CIP1 (for RS cells; Figure S3C).”
  • The paper relies on this without support.

    Quiescent cells provide a valid control for growth arrest per se.

    “To ensure the identification of genes associated with senescence, and not growth arrest per se, we analyzed quiescent (HCA2) fibroblasts and removed from subsequent analysis those genes similarly regulated in both quiescence and each of the senescence conditions.”
3 of 3

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Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

Each contradiction between two passages listed here was confirmed by an independent check.

  • Biological replicate counts conflict

    Major

    The sample-preparation section states that each condition had three biological replicates, while the RNA-seq section states that each condition had six. Neither statement qualifies the count to reconcile the two.

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Metadata

Authors
Hernandez-Segura, A., de Jong, T. V., Melov, S., Guryev, V., Campisi, J., & Demaria, M.
Affiliations
  • Buck Institute for Research on Aging (US)
  • University Medical Center Groningen (NL)
Corresponding author
Demaria, Marco
Venue
Current Biology
Publisher
Elsevier BV
Published
2017-09
Volume
27
Issue
17
Pages
2652-2660.e4
ISSN
0960-9822 (ISSN-L)
OpenAlex
W2749511637
Cited by
972
References
45
Citations by year
2026: 105 · 2025: 122 · 2024: 141 · 2023: 122 · 2022: 134 · 2021: 129 · 2020: 83 · 2019: 54 · 2018: 30 · 2017: 5
FWCI
27.39
Type
journal article
Language
en
Open access
Locations
  • Current Biology (publishedVersion)
  • PubMed (publishedVersion)
  • University of Groningen research database (University of Groningen / Centre for Information Technology) (publishedVersion, other-oa)
  • Europe PMC (PubMed Central) (submittedVersion)
  • PubMed Central (submittedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
  • University of Groningen research database (University of Groningen / Centre for Information Technology) (submittedVersion, other-oa)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Advanced biosensing and bioanalysis techniques
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
cellular senescence, transcriptional heterogeneity, transcriptome signature, senescence-associated secretory phenotype, senescence-associated β-galactosidase, DNA damage response, p16INK4a, p21
MeSH terms
Animals, Cell Line, Humans, Cellular Senescence, Rats, Transcriptome

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