Dynamic Control of Cell Adhesion in Tissue Engineering

Dynamic control of cell adhesion lies at the heart of advanced tissue-engineering strategies, enabling precise modulation of cell-matrix interactions in space and time. By mimicking or externally regulating the natural fluctuations of the extracellular matrix, novel materials and approaches guide cellular adhesion, migration, proliferation and differentiation. These dynamic systems range from mechanically adaptable scaffolds and stimuli-responsive hydrogels to light-activated receptor–ligand pairs. Such technologies not only replicate the evolving biochemical and biophysical cues of native tissues but also permit on-demand tuning of adhesive signals to promote tissue regeneration, improve cell survival and direct lineage specification. The integration of molecular engineering, mechanobiology and remote actuation technologies promises transformative applications in wound healing, organ repair and personalised regenerative therapies.

Research from Nature Portfolio

Recent studies have demonstrated that synthetic hydrogels bearing integrin-specific peptides can dramatically enhance mesenchymal stem cell survival, engraftment and reparative capacity in bone defects. By presenting ligands that selectively engage α2β1 or other integrin subtypes, these materials fine-tune cell adhesion and downstream paracrine signalling, resulting in improved tissue healing outcomes. In parallel, the development of an optogenetically regulated receptor–matrix system has provided reversible, light-mediated control of integrin–matrix binding. Engineered integrin receptors coupled to phytochrome-interacting domains and red-light-switchable matrix ligands enable rapid on/off modulation of adhesion and mechanosensory pathways, offering a blueprint for precise, non-invasive regulation of cell–material interfaces.

Dynamic Control of Cell Adhesion in Tissue Engineering publication trend

The graph below shows the total number of articles in dynamic control of cell adhesion in tissue engineering across all publications each year (not limited to Nature Index journals).

Technical terms

Extracellular Matrix (ECM): A complex network of proteins and polysaccharides that provides structural support and biochemical signals to cells.

Integrin: A transmembrane receptor that mediates cell adhesion by binding extracellular ligands and linking to the intracellular cytoskeleton.

Hydrogel: A water-swollen polymer network often used as a cell-supporting scaffold with tunable mechanical and biochemical properties.

Mechanotransduction: The process by which cells convert mechanical stimuli from their environment into biochemical signals.

Optogenetics: A technique using light-sensitive proteins to control cellular processes with high temporal and spatial precision.

References

1. Static and Dynamic: Evolving Biomaterial Mechanical Properties to Control Cellular Mechanotransduction. Advanced Science (2023).
2. Integrin-specific hydrogels modulate transplanted human bone marrow-derived mesenchymal stem cell survival, engraftment, and reparative activities. Nature Communications (2020).
3. Recapitulating dynamic ECM ligand presentation at biomaterial interfaces: Molecular strategies and biomedical prospects. Exploration (2022).
4. Remote active control of nanoengineered materials for dynamic nanobiomedical engineering. View (2020).
5. Optogenetic control of integrin-matrix interaction. Communications Biology (2019).