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Updated: Mar 2, 2026

Evaluating the Effect of SASP Factors on the Proliferation of Cancer Cells Using a Comparative Analysis of Three Distinct Methodologies
08:57

Evaluating the Effect of SASP Factors on the Proliferation of Cancer Cells Using a Comparative Analysis of Three Distinct Methodologies

Published on: September 19, 2025

641

[The role of SASP in tumor microenvironment.]

Naoko Ohtani1

  • 1Department of Pathophysiology, Osaka City University Graduate School of Medicine, Japan.

Clinical Calcium
|May 25, 2017
PubMed

Insights

Cellular senescence, a DNA damage response, normally suppresses tumors. However, senescent cells secrete factors (senescence-associated secretory phenotype) that can aid tissue repair or promote cancer, depending on context.

Area of Science:

  • Cellular Biology
  • Oncology
  • Molecular Biology

Background:

  • Cellular senescence is a key tumor suppression mechanism triggered by DNA damage.
  • Senescent cells, unlike apoptotic cells, survive long-term.
  • This survival allows for the secretion of various factors, creating the senescence-associated secretory phenotype (SASP).

Purpose of the Study:

  • To investigate the dual role of cellular senescence.
  • To understand the implications of the senescence-associated secretory phenotype (SASP).
  • To explore how SASP influences biological outcomes in different contexts.

Main Methods:

  • Analysis of cellular senescence markers.
  • Investigation of secreted factors from senescent cells.
  • Context-dependent evaluation of SASP effects.

Main Results:

  • Senescent cells exhibit a senescence-associated secretory phenotype (SASP).
  • SASP involves the secretion of inflammatory cytokines, chemokines, growth factors, and matrix-remodeling factors.
  • The biological impact of SASP is context-dependent, potentially leading to beneficial tissue repair or detrimental cancer progression.

Conclusions:

  • Cellular senescence has a complex role beyond tumor suppression.
  • The senescence-associated secretory phenotype (SASP) is a critical factor in determining the outcome of senescence.
  • Understanding SASP's context-dependent effects is crucial for therapeutic strategies.

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