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Updated: Jun 23, 2025

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Stem cell-derived extracellular vesicles as senotherapeutics.

Ekaterina Rudnitsky1, Alex Braiman1, Marina Wolfson1

  • 1The Shraga Segal Department of Microbiology, Immunology and Genetics, Faculty of Health Sciences, Center for Multidisciplinary Research on Aging, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel.

Ageing Research Reviews
|June 24, 2024
PubMed
Summary

Extracellular vesicles (EVs) from stem cells show promise as senotherapeutics, mitigating cellular senescence and its age-related pathologies. These cell-free therapies offer potential for human applications.

Keywords:
Cellular senescenceESCExtracellular vesiclesMSCiPSC

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Area of Science:

  • Gerontology
  • Cell Biology
  • Regenerative Medicine

Background:

  • Cellular senescence (CS) is a key aging hallmark contributing to age-related diseases.
  • Accumulated senescent cells create a pro-inflammatory, pro-cancerogenic environment.
  • Extracellular vesicles (EVs) mediate cell-cell communication and are explored as senotherapeutics.

Purpose of the Study:

  • To review recent studies on the impact of EVs on cellular senescence.
  • To discuss the mechanisms behind the senotherapeutic effects of EVs.
  • To evaluate the potential of stem cell-derived EVs as a novel therapy.

Main Methods:

  • Literature review of studies investigating EVs and cellular senescence.
  • Analysis of EVs derived from various stem cells (MSCs, ESCs, iPSCs) and non-stem cells.
  • Discussion of proposed mechanisms for EV senotherapeutic effects.

Main Results:

  • Stem cell-derived EVs (from pluripotent and multipotent sources) effectively reduce the cellular senescence phenotype in vitro and in vivo.
  • EV effects are suggested to be senomorphic, modifying senescent cells rather than eliminating them.
  • EVs demonstrate cross-species efficacy with no observed immunogenic responses.

Conclusions:

  • Stem cell-derived EVs are promising candidates for senotherapeutics.
  • EVs offer a potential cell-free therapeutic strategy for age-related conditions.
  • Feasible human applications for stem cell-derived EVs in treating senescence are anticipated.