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Techniques to Induce and Quantify Cellular Senescence
06:51

Techniques to Induce and Quantify Cellular Senescence

Published on: May 1, 2017

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Caloric restriction and cellular senescence

Luigi Fontana1, Jamil Nehme2, Marco Demaria3

  • 1Charles Perkins Centre and Central Clinical School, The University of Sydney, Australia; Department of Medicine, Washington University School of Medicine, St. Louis, USA; Department of Clinical and Experimental Sciences, Brescia University, Brescia, Italy.

Mechanisms of Ageing and Development
|November 6, 2018
PubMed

Insights

Calorie restriction (CR) prevents cellular senescence, a key aging factor. This intervention delays aging phenotypes by reducing senescent cell accumulation, promoting healthspan and regenerative capacity.

Area of Science:

  • Gerontology
  • Cell Biology
  • Molecular Biology

Background:

  • Cellular senescence, marked by irreversible growth arrest and the Senescence-Associated Secretory Phenotype (SASP), plays roles in aging and disease.
  • Excessive senescent cell accumulation impairs regeneration and promotes chronic inflammation, negatively impacting healthspan.
  • Removing senescent cells can delay pathologies and enhance longevity.

Purpose of the Study:

  • To summarize current knowledge on molecular and cellular events linked to calorie restriction (CR).
  • To define how CR interferes with cellular senescence induction.
  • To discuss potential side effects of senescence prevention and alternative senolytic dietary interventions.

Main Methods:

  • Review of existing literature on calorie restriction and cellular senescence.
  • Analysis of molecular and cellular mechanisms underlying CR's effects.
  • Discussion of senolytic dietary strategies.

Main Results:

  • Calorie restriction (CR) has been shown to prevent senescent cell accumulation in mice and humans.
  • CR's molecular and cellular events can interfere with the induction of cellular senescence.
  • Potential side effects of senescence prevention and alternative interventions are considered.

Conclusions:

  • CR is a potent non-genetic intervention delaying aging phenotypes by mitigating cellular senescence.
  • Understanding CR's impact on senescence is crucial for developing strategies to promote healthspan.
  • Further research into senolytic dietary interventions may offer alternative approaches to managing age-related decline.

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