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Mechano-Node-Pore Sensing: A Rapid, Label-Free Platform for Multi-Parameter Single-Cell Viscoelastic Measurements

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Emerging Concepts and Tools in Cell Mechanomemory.

Tanmay P Lele¹, Amy Brock², Shelly R Peyton³

¹Department of Chemical Engineering, University of Florida, Gainesville, FL, USA.

Annals of Biomedical Engineering

|November 21, 2019

Summary

Cells can remember mechanical stimuli, influencing their behavior long after the stimulus is gone. This review explores cell mechanosensing, mechanical memory, and new research tools.

Keywords:

Biomaterials Cancer Mechanobiology

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Area of Science:

Cellular mechanobiology
Biophysics
Tissue engineering

Background:

Cellular mechanosensing, the ability of cells to perceive and react to mechanical cues, is crucial in biology.
Fibroblasts and other cell types exhibit distinct behaviors on substrates of varying stiffness, impacting growth, migration, and adhesion.
Current research focuses on mechanisms like ion channels, focal adhesions, and cytoskeletal dynamics.

Purpose of the Study:

To review the emerging concept of mechanical memory in cells.
To discuss novel substrate fabrication techniques relevant to mechanobiology research.
To propose the use of genetic tools for investigating mechanical memory.

Main Methods:

Literature review of cell mechanosensing and mechanical memory.
Overview of advanced substrate fabrication methods.
Discussion on the application of genetic engineering tools.

Main Results:

Cells exhibit persistent changes in behavior due to prior mechanical stimuli, a phenomenon termed mechanical memory.
Substrate stiffness significantly influences cell morphology, proliferation, and motility.
Established mechanisms of mechanosensing involve integrins, focal adhesions, and the cytoskeleton.

Conclusions:

Mechanical memory represents a significant, yet underexplored, aspect of cell mechanobiology.
Emerging fabrication techniques and genetic tools offer promising avenues for future research in this field.
Understanding mechanical memory can provide insights into tissue development, disease progression, and therapeutic interventions.