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Published on: December 13, 2016
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Tensile and compressive force regulation on cell mechanosensing
Yunfeng Chen1, Zhiyong Li2, Lining Arnold Ju3,4,5
1Department of Molecular Medicine, MERU-Roon Research Center on Vascular Biology, The Scripps Research Institute, La Jolla, CA, 92037, USA.
Biophysical Reviews
|May 11, 2019
Summary
Live-cell dynamic force spectroscopy (DFS) reveals how cells sense mechanical forces. This review details how tensile and compressive forces influence cell behavior and molecular binding dynamics.
Area of Science:
- Cell Biology
- Biophysics
Background:
- Receptor-mediated cell mechanosensing is crucial for cellular functions like migration and survival.
- Dynamic force spectroscopy (DFS) allows studying molecular binding and cellular responses to mechanical forces simultaneously in living cells.
Purpose of the Study:
- To review recent advancements in live-cell DFS for understanding receptor-mediated mechanosensing.
- To differentiate and analyze cellular responses to tensile versus compressive forces.
Main Methods:
- Live-cell dynamic force spectroscopy (DFS) techniques.
- Manipulation of force waveforms (tensile, compressive, ramped, clamped, static, dynamic).
- Correlation of cellular responses with ligand binding kinetics and mechanical stimulation profiles.
Main Results:
- Live-cell DFS enables visualization of cell spreading, migration, growth, and survival processes.
- The technology allows for detailed analysis of how different force types (tensile vs. compressive) affect cellular mechanisms.
- Correlations between cellular responses, ligand binding, and mechanical force profiles are established.
Conclusions:
- State-of-the-art live-cell DFS technologies are advancing the understanding of receptor-mediated mechanosensing.
- Differentiating between tensile and compressive forces provides key insights into cellular mechanical responses.
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