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Surveying Low-Cost Methods to Measure Lifespan and Healthspan in Caenorhabditis elegans
Published on: May 18, 2022
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Hijacking Cellular Stress Responses to Promote Lifespan
Naibedya Dutta1, Gilberto Garcia1, Ryo Higuchi-Sanabria1
1Leonard Davis School of Gerontology, University of Southern California, University Park Campus, Los Angeles, CA, United States.
Frontiers in Aging
|July 13, 2022
Summary
Cellular stress responses decline with age, contributing to aging and disease. Activating these pathways, like the heat shock response, may extend lifespan and improve healthspan, particularly in model organisms such as C. elegans.
Area of Science:
- Cellular biology
- Aging research
- Stress response pathways
Background:
- Organisms face constant internal and external stress.
- Cellular homeostasis is maintained by pathways like heat shock response (HSR), mitochondrial unfolded protein response (UPRMT), and endoplasmic reticulum unfolded protein response (UPRER).
- Deterioration of these responses contributes to aging and age-associated diseases.
Purpose of the Study:
- To provide an overview of emerging concepts in cellular stress response pathways.
- To highlight the role of these pathways in healthy aging and longevity.
- To focus on the model organism *C. elegans*.
Main Methods:
- Review of emerging concepts in cellular stress response pathways.
- Focus on the model organism *C. elegans*.
- Discussion of damage-clearing machinery (ubiquitin-proteasome system, chaperones, autophagy).
Main Results:
- Elevated stress responses correlate with extended lifespan and amelioration of degenerative diseases in model organisms.
- Activating stress response pathways can restore function of damage-clearing systems.
- These pathways are crucial for mitigating aging's physiological consequences.
Conclusions:
- Cellular stress response pathways are critical for healthy aging and longevity.
- Targeting these pathways offers a potential intervention strategy for age-related decline.
- *C. elegans* serves as a valuable model for studying these mechanisms.
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