Cell Adhesion Mechanics in Biological Systems

Cell adhesion mechanics lies at the heart of how cells interact with each other and with the extracellular matrix (ECM), integrating molecular recognition with physical forces to shape tissue architecture, drive migration and direct differentiation. Adhesive contacts range from cadherin-mediated cell–cell junctions to integrin-driven cell–matrix adhesions, each comprising clusters of receptor–ligand bonds mechanically coupled to the cytoskeleton. The assembly, growth and disassembly of these adhesion domains are governed by the interplay of binding kinetics, membrane fluctuations, cytoskeletal tension and the rigidity and topography of the surrounding matrix. Feedback between force generation and biochemical signalling—often termed mechanotransduction—enables cells to sense and adapt to their mechanical environment, with profound implications in development, immunity, wound healing and disease progression such as fibrosis and cancer invasion. Research in this field employs traction force microscopy, atomic force spectroscopy and reflection interference contrast microscopy alongside Monte Carlo and continuum modelling to quantify adhesion energies, force distributions and spatial organisation within adhesion domains. By spanning scales from nanometres to millimetres, these studies inform the rational design of biomaterials and contribute to emerging therapeutic strategies that target aberrant adhesion in pathological contexts.

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Cell Adhesion Mechanics in Biological Systems publication trend

The graph below shows the total number of articles in cell adhesion mechanics in biological systems across all publications each year (not limited to Nature Index journals).

Technical terms

Integrin: Transmembrane receptor that binds extracellular matrix ligands and connects to the cytoskeleton.

Focal adhesion: Multi-protein assembly linking integrins to actin filaments, transmitting mechanical forces and signalling.

Extracellular matrix (ECM): Network of proteins and polysaccharides providing structural support and biochemical cues to cells.

Mechanotransduction: Process by which cells convert mechanical stimuli into biochemical signals.

Nascent adhesion: Early, submicron cluster of adhesion molecules that forms prior to the development of mature focal adhesions.

References

1. Criticality in Cell Adhesion. Physical Review X (2021).
2. Recent Advances and Prospects in the Research of Nascent Adhesions. Frontiers in Physiology (2020).
3. Multiscale approaches to protein-mediated interactions between membranes—relating microscopic and macroscopic dynamics in radially growing adhesions. New Journal of Physics (2015).
4. Cell membrane topology analysis by RICM enables marker-free adhesion strength quantification. Biointerphases (2013).
5. Hydrodynamics of transient cell-cell contact: The role of membrane permeability and active protrusion length. PLOS Computational Biology (2019).