Collective Cell Migration Mechanisms in Development

Collective cell migration underpins key morphogenetic events during embryogenesis, whereby cohorts of cells move in a coordinated fashion to sculpt tissues and organs. This process emerges from a balance of intercellular adhesion, repulsive interactions upon collision, chemoattractant guidance and mechanical coupling with the extracellular matrix. Contact inhibition of locomotion generates directional bias by collapsing protrusions at sites of cell–cell contact, while co-attraction and chemotactic signals reinforce group cohesion and steer the collective front. Underlying these behaviours are cadherin- and integrin-mediated adhesions, Rho GTPase-driven cytoskeletal dynamics and mechanotransductive feedback that links tensile forces to biochemical signalling. Leader–follower hierarchies may arise through intrinsic polarity programmes, yet the emergent directionality of the cluster often reflects system-level properties rather than the action of specialised ‘pacemaker’ cells. Insights from neural crest, endothelial sprouting and border cell migration demonstrate how molecular circuits and physical forces interlock to drive robust, long-range tissue movements, with implications for wound repair and cancer invasion.

Research from Nature Portfolio

Recent studies have revealed an unexpected role for a classical cadherin in cell–matrix adhesion during embryonic neural crest migration. Cadherin-11 was shown to localise to focal adhesions, where it co-localises with β1-integrin and paxillin and forms a functional complex with syndecan-4. This complex mediates adhesion to fibronectin and transduces mechanical cues that regulate actin organisation and traction generation. These findings challenge the traditional view of cadherins as exclusively cell–cell adhesion receptors and highlight their multifunctional role in orchestrating collective motility through direct engagement with the extracellular matrix.

Collective Cell Migration Mechanisms in Development publication trend

The graph below shows the total number of articles in collective cell migration mechanisms in development across all publications each year (not limited to Nature Index journals).

Technical terms

Collective cell migration: The coordinated movement of cell groups driven by intercellular adhesion, polarity cues and external guidance to shape tissues.

Contact inhibition of locomotion (CIL): A repulsive response in which cell–cell collision triggers the collapse of protrusions, redirecting migration away from neighbours.

Epithelial-to-mesenchymal transition (EMT): A programme of cellular remodelling in which epithelial cells lose apical–basal polarity and intercellular adhesions to acquire motile, mesenchymal traits.

Focal adhesion: A multiprotein complex that links the actin cytoskeleton to the extracellular matrix via integrins, transmitting mechanical signals and anchoring migrating cells.

Mechanotransduction: The conversion of mechanical forces into intracellular biochemical signals that regulate cell behaviour, polarity and gene expression.

References

1. Effect of Hydrogel Matrix and Fluid Shear Stress on the Behavioral Regulation of Mesenchymal Stem Cells. Small Structures (2024).
2. The Role of Mechanotransduction in Contact Inhibition of Locomotion and Proliferation. International Journal of Molecular Sciences (2024).
3. Directional Collective Cell Migration Emerges as a Property of Cell Interactions. PLOS ONE (2014).
4. Cadherin-11 localizes to focal adhesions and promotes cell–substrate adhesion. Nature Communications (2016).