Collective Cell Migration in Developmental Biology

Collective cell migration is the coordinated movement of cell groups during embryogenesis, tissue remodelling and repair. In developmental contexts—from neural crest delamination to epithelial sheet movements—cells adopt leader–follower arrangements, establishing directional cues through chemical gradients and mechanical interactions. Intercellular adhesion complexes, notably cadherin–catenin assemblies, couple the actin cytoskeletons of neighbouring cells to maintain coherence and transduce forces. Concurrently, actomyosin contractility generates traction and regulates cluster shape, while polarity pathways orient protrusive activity. Recent advances in live-cell imaging, quantitative analysis and computational modelling have unveiled dynamic feedback between biochemical signalling (for example small GTPases) and biophysical environments. Studies across invertebrate and vertebrate models emphasise conserved modules that underlie collective guidance, force distribution and adaptability within heterogeneous tissue landscapes. Insights into these mechanisms inform strategies for tissue engineering, improve understanding of developmental disorders and offer parallels for cancer invasion and wound closure.

Research from Nature Portfolio

Recent studies have revealed that two spatially distinct pools of the small GTPase Rac1 at protrusions and supracellular cables orchestrate both directional sensing and mechanical coupling within migrating clusters. These pools form a balance, rather than a simple gradient, integrating with Rho1 feedback and Cdc42 activity to coordinate guidance and cohesion in a leader–follower system. Another advance has detailed how a collagen-binding Discoidin-domain receptor cooperates with Integrin-β1 to modulate cell–matrix adhesion and collective polarity in cardiopharyngeal progenitors. This receptor–adhesion module interfaces antagonistically with VEGF receptor signalling to position leader and trailer cells, while also promoting polarity-dependent BMP-Smad signalling independent of adhesion functions.

Collective Cell Migration in Developmental Biology publication trend

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

Technical terms

Leader–follower dynamic: Arrangement in which leading cells sense directional cues and followers maintain cohesion.

Actomyosin contractility: Force generation by interactions between actin filaments and myosin motors.

Cadherin–catenin complex: Cell–cell adhesion module linking cadherin receptors to the actin cytoskeleton.

Discoidin-domain receptor (Ddr): Collagen-binding tyrosine kinase that influences adhesion and cell polarity.

Drp1-mediated mitochondrial fission: Division of mitochondria by Dynamin-related protein 1, affecting energy supply and cell motility.

References

1. Two Rac1 pools integrate the direction and coordination of collective cell migration. Nature Communications (2022).
2. Discoidin-domain receptor coordinates cell-matrix adhesion and collective polarity in migratory cardiopharyngeal progenitors. Nature Communications (2019).
3. Protein phosphatase 1 activity controls a balance between collective and single cell modes of migration. eLife (2020).
4. A Mathematical Model of Collective Cell Migration in a Three-Dimensional, Heterogeneous Environment. PLOS ONE (2015).
5. RhoA/ROCK Signaling Regulates Drp1-Mediated Mitochondrial Fission During Collective Cell Migration. Frontiers in Cell and Developmental Biology (2022).