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Mechanobiology in cortical waves and oscillations
1Department of Cell Biology, Yale University School of Medicine, 333 Cedar Street, New Haven, CT, 06520-8002, USA..
Current Opinion in Cell Biology
|October 11, 2020
Summary
Cortical actin waves exhibit excitable dynamics, challenging purely biochemical views. Mechanochemical feedbacks are crucial for understanding pattern formation and cell cortex oscillations.
Area of Science:
- Cell Biology
- Biophysics
- Mechanobiology
Background:
- Cortical actin waves are prevalent in cell biology, demonstrating pattern formation.
- Cell cortex excitability, similar to neuronal electrical excitability, is a fundamental property.
- While often viewed as biochemical, mechanics plays a significant role in pattern formation.
Purpose of the Study:
- To explore proposed mechanochemical feedbacks in the cell cortex.
- To discuss open questions regarding these feedbacks in cortical excitable and oscillatory dynamics.
Main Methods:
- This essay provides a perspective on existing research and theoretical frameworks.
- It synthesizes evidence supporting the role of mechanics in pattern formation.
- Focuses on mesoscale dynamical behavior and collective physical properties.
Main Results:
- Mechanochemical feedbacks are proposed as key drivers of cortical dynamics.
- Accumulating evidence highlights the importance of mechanics alongside biochemistry.
- Pattern formation and mechanobiology offer non-reductionist approaches to cell biology.
Conclusions:
- Cortical excitability involves crucial mechanochemical feedback loops.
- Understanding these feedbacks is essential for elucidating oscillatory dynamics.
- Mechanobiology provides a powerful lens for studying collective cellular behaviors.
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