Cited by 106Telomeres, Telomerase, and SenescenceGenetics, Aging, and Longevity in Model OrganismsChemokine receptors and signaling

Control of senescence by CXCR2 and its ligands

Open access
Acosta, Juan C., Loghlen, Ana, Banito, Ana, Raguz, Selina, Gil, Jesús·2008·Cell Cycle

Abstract

Senescence is an irreversible growth arrest with important physiological implications as it contributes to tumour suppression and may have a role in aging. During senescence, cells suffer profound phenotypic changes affecting amongst others cell morphology and chromatin structure. Senescent cells also undergo significant transcriptional changes, such as the increased production of a plethora of different secreted factors, which are the basis of the so-called senescence-associated secretory phenotype. While some of these factors have been previously shown to possess different pro-tumorigenic activities, we recently demonstrated that the secretion of CXCR2-binding chemokines (such as IL-8 or GROalpha) by senescent cells contribute to reinforce senescence via activation of the p53 pathway. Importantly, our data adds to that presented by several groups suggesting that also other factors secreted during senescence (such as PAI-1, IGFBP-7 or IL-6) contribute to the senescent response. Here, we discuss our findings in the context of the emerging role for secreted factors in regulating senescence through paracrine and/or autocrine mechanisms.

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  • The SASP can recruit immune cells that mediate tumor clearance or promote paracrine senescence.

    “On one hand, the SASP can induce the recruitment of immune cells that will mediate tumor clearance (Xue et al., 2007), or promote paracrine senescence (Acosta et al., 2013; Acosta et al., 2008).”

    From CDK4/6 Inhibitors: The Mechanism of Action May Not Be as Simple as Once Thought (2018) · cites this paper as Acosta et al., 2008

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  1. Hayflick L. The Limited in Vitro Lifetime of Human Diploid Cell Strains. Exp Cell Res 1965; 37:614-36.
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Authors
Acosta, J. C., Loghlen, A., Banito, A., Raguz, S., & Gil, J.
Affiliations
Imperial College London (GB)
Venue
Cell Cycle
Published
2008-10
Volume
7
Issue
19
Pages
2956-2959
ISSN
  • 1538-4101 (ISSN-L)
  • 1551-4005
OpenAlex
W1970733036
Cited by
106
References
21
Citations by year
2026: 3 · 2025: 7 · 2024: 1 · 2023: 3 · 2022: 6 · 2021: 2 · 2020: 2 · 2019: 7 · 2018: 6 · 2017: 7 · 2016: 12 · 2015: 5 · 2014: 8 · 2013: 12 · 2012: 6
FWCI
0.68
Type
journal article
Language
en
Open access
Locations
  • Cell Cycle (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Cancer Research UK
  • China Scholarship Council
  • Medical Research Council
  • Fundação para a Ciência e a Tecnologia
Topics
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Health Sciences › Medicine › Oncology › Chemokine receptors and signaling
Keywords
cellular senescence, CXCR2, chemokines, senescence-associated secretory phenotype, interleukin-8, CXCL1, p53 pathway, paracrine signaling, autocrine signaling, secreted factors, tumor suppression, aging, plasminogen activator inhibitor-1, IGFBP7, interleukin-6
MeSH terms
Animals, DNA Damage, Humans, Ligands, Models, Biological, Interleukin-8, Cellular Senescence, Receptors, Interleukin-8B, Chemokine CXCL1

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