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Live-Cell Imaging of Fish Epidermal Keratocytes
Chika Okimura1, Yoshiaki Iwadate2
1Department of Biology, Yamaguchi University, Yamaguchi, Japan.
Methods in Molecular Biology (Clifton, N.J.)
|April 30, 2026
Summary
Fish epidermal keratocytes are excellent for studying cell movement. New protocols allow detailed 3D imaging of their single-cell and collective migration, revealing dynamic behaviors in primary cultures.
Area of Science:
- Cell Biology
- Biophysics
- Developmental Biology
Background:
- Fish epidermal keratocytes are a model for cell motility.
- Research is shifting from single-cell to collective migration.
- Primary cultures from fish scales are used due to lack of continuous cell lines.
Purpose of the Study:
- To present optimized protocols for studying fish keratocyte migration.
- To enable visualization of molecular and cellular behaviors.
- To facilitate research in both single-cell and collective migration.
Main Methods:
- Culturing primary fish epidermal keratocytes.
- Transiently introducing fluorescent probes via custom electroporation.
- Performing high-resolution 3D time-lapse imaging with confocal microscopy.
Main Results:
- Optimized protocols for keratocyte culture and probe introduction.
- High-resolution 3D imaging of dynamic cellular behaviors.
- Visualization of both single-cell and collective migration.
Conclusions:
- The presented protocols enhance the study of fish keratocyte migration.
- These methods allow detailed visualization of dynamic cellular processes.
- The techniques support research into single-cell and collective cell motility.
Keywords:
Actin dynamicsCollective migrationConfocal microscopyElectroporationPrimary cultureStress fibersWound healing
