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Cellular Mechanotransduction: From Tension to Function.
Fabiana Martino1,2,3, Ana R Perestrelo1, Vladimír Vinarský1,3
1Center for Translational Medicine, International Clinical Research Center, St. Anne's University Hospital, Brno, Czechia.
Frontiers in Physiology
|July 21, 2018
Summary
Cells sense physical forces from their environment through mechanotransduction. This process, involving focal adhesions and cytoskeleton tension, regulates cell behavior and is crucial in development and aging.
Area of Science:
- Cell Biology
- Biophysics
- Mechanobiology
Background:
- Cells continuously receive mechanical stimuli from the extracellular matrix (ECM) and neighboring cells.
- Mechanotransduction is the process by which cells convert physical cues into biological responses, enabling adaptation to microenvironmental changes.
- ECM remodeling, driven by cell-matrix interactions, influences tissue development and is implicated in aging pathologies.
Purpose of the Study:
- To critically review recent insights into the molecular mechanisms of cellular mechanotransduction.
- To analyze how mechanical stimuli are converted into biological responses via specific genetic programs.
- To highlight the role of mechanotransduction malfunctions in disease onset and progression.
Main Methods:
- Review of recent literature on cellular mechanotransduction.
- Analysis of focal adhesion roles in interpreting ECM remodeling.
- Examination of cytoskeleton tension as a mechanotransduction second messenger.
- Discussion of mechano-responsive shuttling proteins and transcription factors.
Main Results:
- Mechanical stimuli are transduced into biological responses through a specific genetic program.
- Focal adhesions interpret ECM remodeling at the cell-matrix interface.
- Cytoskeleton tension acts as a crucial second messenger in mechanotransduction.
- Mechano-responsive proteins converge on cell-specific transcription factors.
Conclusions:
- Cellular mechanotransduction is fundamental for cell adaptation and function.
- Dysregulation of the cell mechanosensing apparatus contributes to disease.
- Understanding mechanotransduction offers insights into development, aging, and pathology.
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