Related Experiment Video

Updated: Jul 23, 2025

Quantifying Tissue-Specific Proteostatic Decline in Caenorhabditis elegans
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Quantifying Tissue-Specific Proteostatic Decline in Caenorhabditis elegans

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Exploiting inter-tissue stress signaling mechanisms to preserve organismal proteostasis during aging

Patricija van Oosten-Hawle1

  • 1Department of Biological Sciences, University of North Carolina at Charlotte, Charlotte, NC, United States.

Frontiers in Physiology
|July 20, 2023
PubMed

Insights

Aging impairs cellular proteostasis, leading to age-related diseases. Cell nonautonomous regulation of stress responses, discovered in model organisms, offers new strategies to enhance organismal proteostasis and extend healthspan.

Area of Science:

  • Cellular biology
  • Aging research
  • Proteostasis mechanisms

Background:

  • Aging leads to decreased cellular proteostasis and accumulation of damaged proteins.
  • Cellular stress response pathways maintain protein quality control.
  • Proteostasis regulation is not solely cell-autonomous.

Purpose of the Study:

  • To review cell nonautonomous proteostasis mechanisms and their role in aging.
  • To discuss interventions targeting organismal proteostasis for healthspan extension.

Main Methods:

  • Review of studies utilizing model organisms like Caenorhabditis elegans.
  • Analysis of genetic pathways involved in cell nonautonomous stress responses.
  • Examination of ongoing research and clinical trials.

Main Results:

  • Cell nonautonomous regulation of stress responses impacts aging.
  • Signals from various tissues (nervous system, intestine, germline) orchestrate stress responses.
  • Genetic pathways in C. elegans facilitate this nonautonomous regulation.

Conclusions:

  • Understanding cell nonautonomous proteostasis is crucial for aging research.
  • Interventions targeting these pathways hold promise for increasing healthspan and lifespan.
Keywords:
aginghealthspanproteostasisstress responsestranscellular

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