Mechanotransduction in Cellular Systems
Summary
Mechanotransduction describes the conversion of physical forces into biochemical signals that regulate cellular behaviour across diverse physiological contexts. At the plasma membrane, integrin receptors and mechanosensitive ion channels detect matrix stiffness, shear stress and tensile strain. These inputs are transmitted through focal adhesions and the actin cytoskeleton to downstream effectors including Rho GTPases, focal adhesion kinase and nuclear translocation of transcriptional regulators such as YAP/TAZ and MRTFs. Mechanical cues influence cell proliferation, differentiation and migration, and are integral to tissue homeostasis, wound healing and organ development. Dysregulation of mechanotransduction contributes to fibrosis, atherosclerosis and cancer progression, emphasising its clinical importance. Advances in live-cell imaging and microfabricated substrates have enabled precise modulation of force regimes and real-time monitoring of mechanotransductive responses. Meanwhile, three-dimensional culture systems and organ-on-chip platforms are refining our understanding of force integration in complex microenvironments. Emerging insights into nuclear mechanics and chromatin remodelling reveal that mechanical stimuli can directly reshape gene expression programmes. Together, these developments are expanding the scope of mechanobiology from molecular dissection to translational applications, including engineered tissues and mechanopharmacology.
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Mechanotransduction in Cellular Systems publication trend
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Technical terms
Mechanotransduction: The process by which cells convert mechanical forces into intracellular biochemical signals.
Focal adhesion: Multiprotein complexes that anchor the actin cytoskeleton to the extracellular matrix and transmit mechanical cues.
Integrins: Transmembrane receptors that bind extracellular matrix ligands and mediate force transmission to the cytoskeleton.
Mechanosensitive ion channel: A membrane protein that opens in response to mechanical stress, allowing ion flux that initiates signalling cascades.
Cytoskeleton: A dynamic network of protein filaments that maintains cell shape and conveys mechanical signals throughout the cell.
References
- Deep Learning for Strain Field Customization in Bioreactor with Dielectric Elastomer Actuator Array. Cyborg and Bionic Systems (2024).
- Mechanical stimulation devices for mechanobiology studies: a market, literature, and patents review. Bio-Design and Manufacturing (2023).
- Novel Piezoelectric Device for Inducing Strain on Biological Tissue At High Speed. IEEE/ASME Transactions on Mechatronics (2023).
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