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Techniques to Induce and Quantify Cellular Senescence
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Techniques to Induce and Quantify Cellular Senescence

Published on: May 1, 2017

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Cellular senescence and its effector programs

Rafik Salama1, Mahito Sadaie, Matthew Hoare

  • 1Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge CB2 0RE, United Kingdom;

Genes & Development
|January 23, 2014
PubMed

Insights

Cellular senescence, a cell cycle exit response, involves multiple pathways and effectors. This review discusses key senescence effectors and their functional links, including the senescence-associated secretory phenotype (SASP).

Area of Science:

  • Cell Biology
  • Molecular Biology
  • Gerontology

Background:

  • Cellular senescence is a stress-induced cell cycle arrest.
  • Key pathways involved include p53 and p16/Rb tumor suppressors.
  • Senescence is a complex phenotype driven by multiple effector mechanisms.

Purpose of the Study:

  • To discuss key features of senescence effectors.
  • To functionally link these effectors where possible.
  • To highlight the diverse nature of senescence.

Main Methods:

  • Literature review and synthesis of existing studies on cellular senescence.
  • Analysis of effector mechanisms and their interplay.
  • Focus on the senescence-associated secretory phenotype (SASP).

Main Results:

  • Senescence is characterized by a collective phenotype of multiple effectors.
  • The intensity and combination of effectors vary with triggers and cell types.
  • The senescence-associated secretory phenotype (SASP) has diverse in vivo functions.

Conclusions:

  • Senescence is a multifaceted process with diverse effector mechanisms.
  • Understanding these effectors and their functional links is crucial.
  • Further research can elucidate the complex roles of senescence in health and disease.
Keywords:
DNA damageaginginflammationmetabolismoncogenessenescencetumor suppressors

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