Cellular senescence and the tumour microenvironment

The senescence‐associated secretory phenotype (SASP), where senescent cells produce a variety of secreted proteins including inflammatory cytokines, chemokines, matrix remodelling factors, growth factors and so on, plays pivotal but varying roles in the tumour microenvironment. The effects of SASP o...

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Main Authors: Masaki Takasugi, Yuya Yoshida, Naoko Ohtani
Format: Article
Language:English
Published: Wiley 2022-09-01
Series:Molecular Oncology
Subjects:
Online Access:https://doi.org/10.1002/1878-0261.13268
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author Masaki Takasugi
Yuya Yoshida
Naoko Ohtani
author_facet Masaki Takasugi
Yuya Yoshida
Naoko Ohtani
author_sort Masaki Takasugi
collection DOAJ
description The senescence‐associated secretory phenotype (SASP), where senescent cells produce a variety of secreted proteins including inflammatory cytokines, chemokines, matrix remodelling factors, growth factors and so on, plays pivotal but varying roles in the tumour microenvironment. The effects of SASP on the surrounding microenvironment depend on the cell type and process of cellular senescence induction, which is often associated with innate immunity. Via SASP‐mediated paracrine effects, senescent cells can remodel the surrounding tissues by modulating the character of adjacent cells, such as stromal, immune cells, as well as cancer cells. The SASP is associated with both tumour‐suppressive and tumour‐promoting effects, as observed in senescence surveillance effects (tumour‐suppressive) and suppression of anti‐tumour immunity in most senescent cancer‐associated fibroblasts and senescent T cells (tumour‐promoting). In this review, we discuss the features and roles of senescent cells in tumour microenvironment with emphasis on their context‐dependency that determines whether they promote or suppress cancer development. Potential usage of recently developed drugs that suppress the SASP (senomorphics) or selectively kill senescence cells (senolytics) in cancer therapy are also discussed.
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spelling doaj.art-5b22375b885d41c5871cb7b6dc813e062022-12-22T04:30:48ZengWileyMolecular Oncology1574-78911878-02612022-09-0116183333335110.1002/1878-0261.13268Cellular senescence and the tumour microenvironmentMasaki Takasugi0Yuya Yoshida1Naoko Ohtani2Department of Pathophysiology, Graduate School of Medicine Osaka Metropolitan University (formerly, Osaka City University) Osaka JapanDepartment of Pathophysiology, Graduate School of Medicine Osaka Metropolitan University (formerly, Osaka City University) Osaka JapanDepartment of Pathophysiology, Graduate School of Medicine Osaka Metropolitan University (formerly, Osaka City University) Osaka JapanThe senescence‐associated secretory phenotype (SASP), where senescent cells produce a variety of secreted proteins including inflammatory cytokines, chemokines, matrix remodelling factors, growth factors and so on, plays pivotal but varying roles in the tumour microenvironment. The effects of SASP on the surrounding microenvironment depend on the cell type and process of cellular senescence induction, which is often associated with innate immunity. Via SASP‐mediated paracrine effects, senescent cells can remodel the surrounding tissues by modulating the character of adjacent cells, such as stromal, immune cells, as well as cancer cells. The SASP is associated with both tumour‐suppressive and tumour‐promoting effects, as observed in senescence surveillance effects (tumour‐suppressive) and suppression of anti‐tumour immunity in most senescent cancer‐associated fibroblasts and senescent T cells (tumour‐promoting). In this review, we discuss the features and roles of senescent cells in tumour microenvironment with emphasis on their context‐dependency that determines whether they promote or suppress cancer development. Potential usage of recently developed drugs that suppress the SASP (senomorphics) or selectively kill senescence cells (senolytics) in cancer therapy are also discussed.https://doi.org/10.1002/1878-0261.13268anti‐tumour immunitycellular senescencesenescence‐associated secretory phenotypesenolysissenomorphicstumour microenvironment
spellingShingle Masaki Takasugi
Yuya Yoshida
Naoko Ohtani
Cellular senescence and the tumour microenvironment
Molecular Oncology
anti‐tumour immunity
cellular senescence
senescence‐associated secretory phenotype
senolysis
senomorphics
tumour microenvironment
title Cellular senescence and the tumour microenvironment
title_full Cellular senescence and the tumour microenvironment
title_fullStr Cellular senescence and the tumour microenvironment
title_full_unstemmed Cellular senescence and the tumour microenvironment
title_short Cellular senescence and the tumour microenvironment
title_sort cellular senescence and the tumour microenvironment
topic anti‐tumour immunity
cellular senescence
senescence‐associated secretory phenotype
senolysis
senomorphics
tumour microenvironment
url https://doi.org/10.1002/1878-0261.13268
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