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Updated: May 9, 2026

09:25
ROS Live Cell Imaging During Neuronal Development
Published on: February 9, 2021
Imaging ROS signaling in cells and animals
Xianhua Wang1, Huaqiang Fang, Zhanglong Huang
1State Key Laboratory of Biomembrane and Membrane Biotechnology, Institute of Molecular Medicine, Peking-Tsinghua Center for Life Sciences, Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Peking University, Beijing 100871, China.
Summary
Reactive oxygen species (ROS) are vital cellular messengers implicated in diseases. Advanced ROS imaging techniques now allow for high-resolution visualization, revealing new insights into cellular signaling and disease mechanisms.
Area of Science:
- Biochemistry
- Cell Biology
- Medical Imaging
Background:
- Reactive oxygen species (ROS) play dual roles as signaling molecules and oxidative stressors.
- Dysregulation of ROS is linked to major pathologies including cancer, cardiovascular, and neurodegenerative diseases.
- Accurate visualization and quantification of ROS dynamics are crucial for understanding their complex roles.
Purpose of the Study:
- To provide an updated review of current reactive oxygen species (ROS) imaging technologies.
- To highlight recent advancements in ROS detection and visualization.
- To identify knowledge gaps and emerging research directions in ROS imaging.
Main Methods:
- Development of novel synthetic and genetically encoded fluorescent ROS indicators.
- Utilization of protein indicator-expressing animal models for in vivo studies.
- Advancements in in vivo imaging technologies for ROS detection.
Main Results:
- Significant progress in ROS imaging across cellular, tissue, and organismal levels.
- Discovery of mitochondrial superoxide flashes as key signaling events.
- Identification of hydrogen peroxide transients involved in wound healing.
Conclusions:
- Innovative ROS imaging has led to significant discoveries in cellular signaling.
- Further research is needed to address current limitations in ROS detection.
- Emerging directions promise deeper understanding of ROS in health and disease.

