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Tension Response at Adherens Junctions

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The adherens junctions that anchor cells together are multi-protein complexes that dynamically adapt to mechanical stimuli such as tensile forces and shear stress. Mechanosensory proteins in these junctions can sense such mechanical stimuli and undergo a shift in their conformation, resulting in an altered function — a process called mechanotransduction.
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Related Experiment Video

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Mechanostimulation of Multicellular Organisms Through a High-Throughput Microfluidic Compression System

Mechanostimulation of Multicellular Organisms Through a High-Throughput Microfluidic Compression System

Published on: December 23, 2022

Emerging technologies in mechanotransduction research.

Ghaidan A Shamsan¹, David J Odde¹

¹Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN 55455, USA.

Current Opinion in Chemical Biology

|October 17, 2019

Summary

Cells convert mechanical stimuli into biological responses using specialized machinery. Recent integrated approaches, including mathematical modeling and molecular tension sensors, offer new insights into cellular mechanotransduction mechanisms.

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Area of Science:

Cell Biology
Biophysics
Systems Biology

Background:

Cellular mechanotransduction involves sensing and responding to mechanical stimuli.
Adhesion complexes are key biological machinery for this process.
Two decades of research identified key mechanotransduction components.

Purpose of the Study:

To highlight emerging integrated approaches in mechanotransduction research.
To provide new insights into the mechanistic and theoretical underpinnings of mechanotransduction.
To elucidate force sensing mechanisms at high resolution.

Main Methods:

Utilizing integrated approaches combining experimental and computational methods.
Employing mathematical modeling to understand ligand sensing and extracellular matrix properties.
Using molecular tension sensors to dissect forces in mechanotransduction.

Main Results:

Mathematical modeling elucidated mechanisms of ligand spacing and distribution sensing.
Sensing of extracellular matrix viscoelastic properties was clarified through modeling.
Molecular tension sensors provided high spatial and temporal resolution of forces.

Conclusions:

Integrated approaches offer novel mechanistic and theoretical insights into mechanotransduction.
Mathematical modeling and molecular tension sensors are powerful tools for studying cellular responses to mechanical forces.
Further research using these integrated methods will advance the understanding of mechanotransduction.