Related Experiment Video

Updated: Jun 21, 2026

Therapeutic Massage for Psychological Well-being in Geriatric Oncology
03:59

Therapeutic Massage for Psychological Well-being in Geriatric Oncology

Published on: May 22, 2026

SASPense and DDRama in cancer and ageing

Marzia Fumagalli1, Fabrizio d'Adda di Fagagna

  • 1Marzia Fumagalli and Fabrizio d'Adda di Fagagna are at the IFOM Foundation - FIRC Institute of Molecular Oncology Foundation, via Adamello 16, 20139 Milan, Italy.

Nature Cell Biology
|August 4, 2009
PubMed

Insights

Senescent cells release factors via the senescence-associated secretory phenotype (SASP), often triggered by DNA damage and the DNA damage response (DDR). The DDR pathway is crucial for SASP development and interacts with cytokine secretion.

Area of Science:

  • Cellular biology
  • Molecular biology
  • Immunology

Background:

  • Cellular senescence is a state of irreversible growth arrest.
  • Senescent cells secrete a complex mix of factors known as the senescence-associated secretory phenotype (SASP).
  • The senescence-associated secretory phenotype (SASP) significantly impacts tissue microenvironments and organismal aging.

Discussion:

  • Cellular senescence is frequently initiated by DNA damage, activating a chronic DNA damage response (DDR).
  • The DNA damage response (DDR) pathway plays a critical role in orchestrating the full spectrum of the senescence-associated secretory phenotype (SASP).
  • There is significant crosstalk between the DNA damage response (DDR) pathways and the mechanisms governing cytokine secretion in senescent cells.

Key Insights:

  • The DNA damage response (DDR) is a key upstream regulator of the senescence-associated secretory phenotype (SASP).
  • Cytokine secretion is intricately linked with the DNA damage response (DDR) in senescent cells.
  • Understanding the DDR-SASP axis is crucial for deciphering the functional consequences of cellular senescence.

Outlook:

  • Further research into the DDR-SASP interplay may reveal therapeutic targets for age-related diseases.
  • Investigating the molecular mechanisms of DDR-cytokine crosstalk could lead to novel immunomodulatory strategies.
  • Targeting the senescence-associated secretory phenotype (SASP) offers potential for interventions in aging and cancer.

More Related Videos

Evaluating the Effect of SASP Factors on the Proliferation of Cancer Cells Using a Comparative Analysis of Three Distinct Methodologies08:57

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

Simultaneous Imaging and Flow-Cytometry-based Detection of Multiple Fluorescent Senescence Markers in Therapy-Induced Senescent Cancer Cells08:56

Simultaneous Imaging and Flow-Cytometry-based Detection of Multiple Fluorescent Senescence Markers in Therapy-Induced Senescent Cancer Cells

Published on: July 12, 2022

Related Concept Videos

Cancer Survival Analysis01:21

Cancer Survival Analysis

Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...
Aging01:26

Aging

Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
Replicative Cell Senescence02:15

Replicative Cell Senescence

Replicative cell senescence is a property of cells that allows them to divide a finite number of times throughout the organism's lifespan while preventing excessive proliferation. Replicative senescence is associated with the gradual loss of the telomere — short, repetitive DNA sequences found at the end of the chromosomes. Telomeres are bound by a group of proteins to form a protective cap on the ends of chromosomes. Embryonic stem cells express telomerase — an enzyme that adds the telomeric...
Adaptive Mechanisms in Cancer Cells02:53

Adaptive Mechanisms in Cancer Cells

Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Adaptive Mechanisms in Cancer Cells02:53

Adaptive Mechanisms in Cancer Cells

Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Psychoneuroimmunology: Diabetes and Cancer01:19

Psychoneuroimmunology: Diabetes and Cancer

Chronic stress has been linked to both the onset and progression of serious health conditions, including Type 2 diabetes and cancer. Type 2 diabetes, a widespread chronic illness, is closely associated with obesity and insulin resistance, both of which often worsen under stress. Studies indicate that men experiencing high levels of chronic stress face a 45% higher risk of developing diabetes compared to those with minimal stress. Stress triggers physiological responses that elevate blood...