Cited by 160Telomeres, Telomerase, and SenescenceCancer Cells and MetastasisMultiple Myeloma Research and Treatments

Senescence-associated secretory phenotype favors the emergence of cancer stem-like cells

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Cahu, J, Bustany, S, Sola, B·2012·Cell Death & Disease

Abstract

The molecular mechanisms underlying cancer resistance remain elusive. One possible explanation is that cancer stem cells (CSCs) elude drug treatment, emerge and reproduce a tumor. Using multiple myeloma as a paradigm, we showed that cancer stem-like cells (CSLCs) appear after genotoxic stress because of their intrinsic properties. However, these properties do not drive the emergence of the CSLCs. Following genotoxic stress, remaining DNA damages lead to a senescence-associated secretory phenotype (SASP). Senescent cells, which are the non-CSLCs, secrete chemokines contributing to the emergence, maintenance and migration of CSLCs. Downregulation of checkpoint protein 2, a key player of SASP, significantly reduced the emergence of CSLCs. Our results unravel a novel molecular mechanism by which SASP might promote malignancy, underlining the dual role of senescence in tumorigenesis. This mechanism, based on mutual cooperation among tumor cells, illustrates how cancer may relapse; its targeting could represent new therapeutic opportunities.

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Crossref · 10.1038/cddis.2012.183

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  • Co-culturing undifferentiated myeloma cells in conditioned media from senescent myeloma cells promotes the emergence, maintenance, and migration of cancer stem-like cells.

    “Similarly, co-culturing undifferentiated myeloma cells in conditioned media from senescent myeloma cells promotes the emergence, maintenance, and migration of cancer stem-like cells.64”
  • The SASP is able to inhibit differentiation both in vitro and in vivo, while in some cases leads to acquisition of stem cell characteristics.

    “Interestingly, the SASP is able to inhibit differentiation both in vitro and in vivo, while in some cases leads to acquisition of stem cell characteristics.41,44,54,55,64–66”

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Authors
Cahu, J., Bustany, S., & Sola, B.
Affiliations
Centre Hospitalier Universitaire de Caen Normandie (FR)
Corresponding author
Cahu, J
ORCID
Sola, B
Venue
Cell Death & Disease
Published
2012-12-20
Volume
3
Issue
12
Pages
e446-e446
ISSN
2041-4889 (ISSN-L)
OpenAlex
W2080339543
Cited by
160
References
34
Citations by year
2026: 5 · 2025: 5 · 2024: 15 · 2023: 11 · 2022: 11 · 2021: 25 · 2020: 12 · 2019: 12 · 2018: 13 · 2017: 9 · 2016: 17 · 2015: 8 · 2014: 7 · 2013: 10
FWCI
5.36
Type
journal article
Language
en
Open access
Locations
  • Cell Death and Disease (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
Funders
  • Ligue Contre le Cancer
  • Région Normandie
Topics
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Health Sciences › Medicine › Oncology › Cancer Cells and Metastasis
  • Health Sciences › Medicine › Hematology › Multiple Myeloma Research and Treatments
Keywords
senescence-associated secretory phenotype, cancer stem-like cells, multiple myeloma, genotoxic stress, DNA damage, chemokines, tumor recurrence, tumor resistance, senescence, carcinogenesis
MeSH terms
Animals, Cell Movement, Cell Survival, DNA Damage, Female, Humans, Mice, Nude, Multiple Myeloma, Phenotype, Neoplastic Stem Cells, Cellular Senescence, Protein Serine-Threonine Kinases, Chemokines, Protein Transport, Cell Line, Tumor, Mice, Checkpoint Kinase 2

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