Related Experiment Video
Updated: Nov 13, 2025
07:20
Imaging Integrin Tension and Cellular Force at Submicron Resolution with an Integrative Tension Sensor
Published on: April 25, 2019
7.8K
Molecular Force Measurement with Tension Sensors
Lisa S Fischer1, Srishti Rangarajan1, Tanmay Sadhanasatish1
1Department of Quantitative Cell Biology, Institute of Molecular Cell Biology, University of Münster, Münster D-48149, Germany;
Annual Review of Biophysics
|March 12, 2021
Summary
Cellular mechanotransduction, the sensing and response to mechanical forces, is vital for life. Genetically encoded molecular tension sensors now allow visualization and quantification of these forces at the molecular level.
Area of Science:
- Biophysics
- Cell Biology
- Molecular Biology
Background:
- Cellular mechanical forces are critical for development, homeostasis, and disease.
- Molecular mechanisms of mechanotransduction have been difficult to study due to a lack of suitable techniques.
- Quantifying forces on individual proteins within living cells has been a long-standing challenge.
Purpose of the Study:
- To review the principles, benefits, and drawbacks of genetically encoded molecular tension sensors.
- To illustrate the application of these sensors in understanding molecular force propagation.
- To provide a future outlook on the development and application of tension sensing technologies in mechanobiology.
Main Methods:
- Utilizing genetically encoded molecular tension sensors.
- Quantifying piconewton-scale forces on distinct molecules in living cells and organisms.
- Reviewing current literature examples of sensor application.
Main Results:
- Molecular tension sensors enable the measurement of forces on individual proteins in real-time.
- These sensors provide access to previously unquantifiable biophysical parameters.
- The methodology allows for the study of mechanical force propagation at the molecular scale.
Conclusions:
- Genetically encoded molecular tension sensors are a powerful tool for studying mechanobiology.
- This technique overcomes previous limitations in visualizing and quantifying molecular forces.
- Future developments promise to uncover novel aspects of cellular mechanical signaling.
