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Updated: Oct 16, 2025

Induction and Validation of Cellular Senescence in Primary Human Cells
Published on: June 20, 2018
Cellular senescence and its impact on the circadian clock
Rezwana Ahmed1, Hasan Mahmud Reza1, Kazuyuki Shinohara2
1Department of Pharmaceutical Sciences, North South University, Dhaka 1229, Bangladesh.
Cellular senescence, a key driver of aging, may disrupt the body's internal clock. This review explores how senescent cells contribute to age-related diseases and circadian rhythm disruption.
Area of Science:
- Gerontology
- Cellular Biology
- Chronobiology
Background:
- Aging is a primary risk factor for chronic non-communicable diseases.
- Cellular senescence, the accumulation of non-dividing cells, is a major contributor to aging and age-related conditions.
- Senescent cells disrupt tissue function and are linked to various age-related diseases.
Purpose of the Study:
- To review the fundamental characteristics and detrimental roles of cellular senescence.
- To explore the connection between cellular senescence and the circadian clock.
- To investigate if cellular senescence underlies circadian clock disruption in aging.
Main Methods:
- Literature review of cellular senescence.
- Analysis of the relationship between cellular senescence and circadian rhythms.
- Discussion of the potential causal link between senescence and circadian disruption.
Main Results:
- Cellular senescence contributes to tissue dysfunction and age-related diseases.
- Aging is associated with disruptions in the circadian clock system.
- Evidence suggests a potential role for cellular senescence in circadian clock dysregulation.
Conclusions:
- Cellular senescence is a significant factor in aging and age-related diseases.
- Circadian clock disruption is a hallmark of aging, contributing to various pathologies.
- Further research is needed to fully elucidate the role of cellular senescence in circadian rhythm disruption and its implications for healthspan.
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