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Time-based changes in fibroblast three-dimensional locomotory characteristics and phenotypes
1Department of Oral Biology, Faculty of Dentistry, McGill University, Montreal, Canada.
Experimental Cell Biology
|January 1, 1989
Summary
Embryonic fibroblasts exhibit distinct cell movement patterns. Over time in culture, these fibroblast cell locomotion phenotypes change, with one original pattern persisting and a new one emerging.
Area of Science:
- Cell biology
- Biophysics
- Developmental biology
Background:
- Cellular locomotion is crucial for embryonic development and tissue repair.
- Understanding changes in cell movement over time is key to studying cellular behavior and differentiation.
Purpose of the Study:
- To analyze and compare the three-dimensional locomotory trajectories of embryonic fibroblasts and the same cells after prolonged tissue culture.
- To identify and characterize distinct locomotory phenotypes within these cell populations.
Main Methods:
- Three-dimensional tracking of cell movement trajectories.
- Factor analysis applied to angular changes in cell trajectory vectors.
- Comparison of locomotory characteristics between embryonic and cultured (C-20) fibroblast populations.
Main Results:
- Significant differences in locomotory characteristics were observed between embryonic and C-20 fibroblasts.
- Factor analysis identified three distinct locomotory phenotypes in the embryonic cell population.
- Only one of the original phenotypes persisted in the C-20 population, alongside a newly appearing phenotype.
Conclusions:
- Embryonic fibroblast locomotory phenotypes undergo significant changes with extended time in tissue culture.
- Cellular environments and time influence the emergence and persistence of specific cell movement behaviors.