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Effect of mechanical stress on cellular morphology
1Department of Cell Biology, University of Glasgow, United Kingdom.
Tissue & Cell
|January 1, 1989
Summary
Mechanical stress impacts cell structure. Low-frequency mechanical stress on chicken heart fibroblasts reduced the number and size of cell microprocesses, suggesting a link between mechanical forces and cellular morphology.
Area of Science:
- Cell Biology
- Biophysics
- Developmental Biology
Background:
- Mechanical stress is integral to biological processes like embryogenesis and wound healing.
- Understanding mechanical stress effects on cells is crucial for various physiological and pathological conditions.
- Existing research has explored mechanical stress's impact on the cell cycle.
Purpose of the Study:
- To investigate the effects of mechanical stress on cellular morphology.
- To establish an experimental system for studying mechanical factors in a more in vivo-like cellular organization.
Main Methods:
- Chicken heart fibroblasts were cultured as 'Sail-Sheets' to mimic in vivo cell organization.
- Mechanical stress was applied using a low-frequency sine-wave oscillator and a piezoelectric probe.
- Scanning Electron Microscopy (SEM) and Transmission Electron Microscopy (TEM) were used for morphological analysis.
Main Results:
- Low-frequency mechanical stress (1.0 Hz) was applied to the Sail-Sheets.
- A decrease in the number and size of microprocesses (m) was observed in mechanically stressed cells compared to controls.
Conclusions:
- Mechanical stress can alter cellular morphology.
- The study demonstrates that low-frequency mechanical stress affects the surface features of fibroblasts.
- Sail-Sheets provide a suitable model for studying mechanical forces on cell structure.