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Perspectives on Neuroscience
Published on: July 31, 2007
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Aging and the clock: Perspective from flies to humans.
Aliza K De Nobrega1, Lisa C Lyons1
1Program in Neuroscience, Department of Biological Science, Florida State University, Tallahassee, Florida.
The European Journal of Neuroscience
|October 1, 2018
Summary
Circadian rhythms regulate body functions, but modern life disrupts them, increasing disease risk and accelerating aging. Strengthening circadian systems may promote healthy aging and combat age-related diseases.
Area of Science:
- Chronobiology
- Gerontology
- Molecular Biology
Background:
- Endogenous circadian oscillators synchronize physiological processes with environmental cycles.
- Modern lifestyles disrupt circadian rhythms, leading to increased sleep and circadian disorders.
- Circadian dysfunction is linked to numerous diseases and negatively impacts aging and longevity.
Purpose of the Study:
- To review the impact of circadian dysfunction on aging and longevity.
- To examine the reciprocal effects of aging on circadian function across species.
- To explore the potential of circadian system reinforcement for promoting healthy aging.
Main Methods:
- Literature review focusing on conserved circadian-aging interactions.
- Analysis of examples from model organisms (Drosophila) to humans.
- Synthesis of current understanding of circadian biology and aging.
Main Results:
- Circadian system function and synchronization decline with age, exacerbating age-related pathologies.
- Aging processes reciprocally affect circadian rhythms, creating a detrimental feedback loop.
- Drosophila serves as a valuable model for studying conserved aging-circadian interactions.
Conclusions:
- Circadian dysfunction significantly impacts aging and longevity.
- Interventions targeting the circadian system hold promise for mitigating age-related diseases and promoting healthy aging.
- Further research, particularly using model organisms like Drosophila, is crucial for understanding and intervening in these processes.
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