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Live Imaging with Genetically Encoded Physiologic Sensors and Optogenetic Tools.
Shivam A Zaver1, Christopher J Johnson2, Andre Berndt3
1Division of Dermatology, Department of Medicine, University of Washington, Seattle, Washington, USA; Medical Scientist Training Program, University of Washington, Seattle, Washington, USA.
The Journal of Investigative Dermatology
|February 23, 2023
Summary
New biosensors and optogenetic tools enable visualization and control of cellular signals in skin. These advanced imaging strategies illuminate epidermal development, barrier formation, and tissue homeostasis.
Area of Science:
- Cell Biology
- Biophysics
- Dermatology
Background:
- Barrier tissues like the epidermis use complex signaling for development and homeostasis.
- Live-imaging and genetic tools allow precise monitoring of cellular processes.
- Understanding epidermal signaling is crucial for tissue health.
Approach:
- Genetically encoded fluorescent biosensors visualize dynamic intracellular signaling.
- Optogenetic tools use light to control signaling pathways in live systems.
- These methods are applied to study epidermal development and homeostasis.
Key Points:
- Biosensors and optogenetics offer unprecedented insights into cellular signaling.
- These tools enable spatiotemporal control and monitoring of signaling cascades.
- Recent studies in cutaneous biology have successfully employed these strategies.
Conclusions:
- Advanced imaging techniques are revolutionizing the study of epidermal biology.
- Biosensors and optogenetics illuminate the complex signals regulating skin homeostasis.
- These tools hold promise for future research in dermatology and regenerative medicine.
