Measuring reactive oxygen species in senescent cells
João F Passos1, Satomi Miwa, Thomas von Zglinicki
1Ageing Research Laboratories, Centre for Integrated Systems Biology of Ageing and Nutrition, Institute for Ageing and Health, Newcastle University, Newcastle upon Tyne, UK.
Reactive oxygen species (ROS) and mitochondrial dysfunction are linked to aging. This work details methods for detecting ROS in live cells, crucial for understanding cellular senescence and aging.
Area of Science:
- Cellular biology
- Biochemistry
- Gerontology
Background:
- Reactive oxygen species (ROS) and mitochondrial dysfunction are implicated in cellular aging.
- Cellular senescence is characterized by increased ROS, mitochondrial dysfunction, and metabolic inefficiency.
- Modulating ROS levels affects cellular replicative lifespan, highlighting ROS's central role in aging.
Purpose of the Study:
- To present protocols for detecting intracellular and extracellular ROS in live cells.
- To provide methodologies for researchers studying the role of ROS in cellular senescence and aging.
Main Methods:
- Protocols for live-cell ROS detection.
- Intracellular ROS measurement techniques.
- Extracellular ROS measurement techniques.
Main Results:
- Established protocols for ROS detection in live cells.
- Methods applicable to studying cellular senescence and aging.
Conclusions:
- Accurate ROS detection is vital for understanding cellular senescence and aging.
- The presented protocols facilitate research into ROS-mediated aging mechanisms.
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