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Related Concept Videos

Tension Response at Adherens Junctions01:26

Tension Response at Adherens Junctions

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.
α-Catenin as a Mechanosensory Protein
The α-catenin of adherens junctions is an allosteric protein with three VH (vinculin homology) domains...
Mechanically-gated Ion Channels01:12

Mechanically-gated Ion Channels

Mechanically-gated ion channels are proteins found in eukaryotic and prokaryotic cell membranes that open in response to mechanical stress. Tension, compression, swelling, and shear stress can alter the conformation of the protein, opening a transmembrane channel that allows the passage of ions for signal transmission. In eukaryotes, mechanically-gated channels are distributed in several regions like the neurons, lungs, skin, bladder, and heart, where they play critical roles in numerous...
Mechanically-gated Ion Channels01:12

Mechanically-gated Ion Channels

Mechanically-gated ion channels are proteins found in eukaryotic and prokaryotic cell membranes that open in response to mechanical stress. Tension, compression, swelling, and shear stress can alter the conformation of the protein, opening a transmembrane channel that allows the passage of ions for signal transmission. In eukaryotes, mechanically-gated channels are distributed in several regions like the neurons, lungs, skin, bladder, and heart, where they play critical roles in numerous...
Cell-matrix's Response to Mechanical Forces01:13

Cell-matrix's Response to Mechanical Forces

In animal cells, the extracellular matrix allows cells within tissues to withstand external stresses and transmits signals from the outside of the cell to the inside. The extracellular matrix is extensive, and its composition varies between different types of tissues. For example, the reticular fibers and ground substance make up the ECM in loose connective tissue, while collagen and bone minerals make up the ECM of bone tissue. 
Anchoring junctions mechanically attach a cell to the...
Mechanical Protein Functions01:58

Mechanical Protein Functions

Proteins perform many mechanical functions in a cell. These proteins can be classified into two general categories- proteins that generate mechanical forces and proteins that are subjected to mechanical forces. Proteins providing mechanical support to the structure of the cell, such as keratin, are subjected to mechanical force, whereas proteins involved in cell movement and transport of molecules across cell membranes, such as an ion pump, are examples of generating mechanical force. 
Excitation-Contraction Coupling in Skeletal Muscles01:20

Excitation-Contraction Coupling in Skeletal Muscles

Excitation-contraction coupling is a series of events that occur between generating an action potential and initiating a muscle contraction. It occurs at the triad, a structure found in skeletal muscle fibers that comprise a T-tubule and terminal cisternae of the sarcoplasmic reticulum on each side. These triads are visible in longitudinally sectioned muscle fibers. They are typically located at the A-I junction — the junction between the A and I bands of the sarcomere.
When an action potential...

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Related Experiment Video

Updated: Jun 29, 2026

Measurement of Force-Sensitive Protein Dynamics in Living Cells Using a Combination of Fluorescent Techniques
08:28

Measurement of Force-Sensitive Protein Dynamics in Living Cells Using a Combination of Fluorescent Techniques

Published on: November 2, 2018

Mechanotransduction - a field pulling together?

Christopher S Chen1

  • 1Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA. chrischen@seas.upenn.edu

Journal of Cell Science
|October 10, 2008
PubMed
Summary
This summary is machine-generated.

Cellular mechanical forces, from external or internal cytoskeleton activity, influence cell function. This review explores common mechanotransduction mechanisms, focusing on cell adhesions, to unify diverse research areas.

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Last Updated: Jun 29, 2026

Measurement of Force-Sensitive Protein Dynamics in Living Cells Using a Combination of Fluorescent Techniques
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09:50

A Simplified System for Evaluating Cell Mechanosensing and Durotaxis In Vitro

Published on: August 27, 2015

Area of Science:

  • Cell Biology
  • Biophysics
  • Mechanobiology

Background:

  • Mechanical stresses are ubiquitous in cellular environments, originating from external tissue application or internal cytoskeletal activity.
  • While the impact of mechanical forces on cellular signaling and function is well-documented, common underlying mechanisms across different contexts remain unclear.

Purpose of the Study:

  • To discuss potential common mechanisms of mechanotransduction.
  • To explore how applied forces, cell-generated forces, and substrate stiffness changes affect cell function via shared machinery.

Main Methods:

  • Literature review and discussion of existing studies.
  • Focus on the role of cell adhesions in force transduction.
  • Synthesis of emerging themes connecting different research areas.

Main Results:

  • Identified potential common mechanotransduction pathways.
  • Highlighted the central role of cell adhesions in mediating mechanical signals.
  • Connected disparate research on mechanical forces and cell function.

Conclusions:

  • Mechanotransduction may involve shared molecular machinery across various mechanical stimuli.
  • Cell adhesions are critical integrators of mechanical forces.
  • Further research can unify understanding of how cells sense and respond to mechanical cues.