Intercellular adhesion boots collective cell migration through elevated membrane tension

Brent M. Bijonowski, Jongkwon Park, Martin Bergert, Christina Teubert, Alba Diz-Muñoz, Milos Galic () and Seraphine V. Wegner ()
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Brent M. Bijonowski: University of Münster
Jongkwon Park: University of Münster
Martin Bergert: European Molecular Biology Laboratory
Christina Teubert: University of Münster
Alba Diz-Muñoz: European Molecular Biology Laboratory
Milos Galic: University of Münster
Seraphine V. Wegner: University of Münster

Nature Communications, 2025, vol. 16, issue 1, 1-14

Abstract: Abstract In multicellular systems, the migration pattern of individual cells critically relies on the interactions with neighboring cells. Depending on the strength of these interactions, cells either move as a collective, as observed during morphogenesis and wound healing, or migrate individually, as it is the case for immune cells and fibroblasts. Mediators of cell-cell adhesions, such as cadherins coordinate collective dynamics by linking the cytoskeleton of neighboring cells. However, whether intercellular binding alone triggers signals that originate from within the plasma membrane itself, remains unclear. Here, we address this question through artificial photoswitchable cell-cell adhesions that selectively connect adjacent plasma membranes without linking directly to cytoskeletal elements. We find that these intercellular adhesions are sufficient to achieve collective cell migration. Linking adjacent cells increases membrane tension, which activates the enzyme phospholipase D2. The resulting increase in phosphatidic acid, in turn, stimulates the mammalian target of rapamycin, a known actuator of collective cell migration. Collectively, these findings introduce a membrane-based signaling axis as promotor of collective cell dynamics, which is independent of the direct coupling of cell-cell adhesions to the cytoskeleton.

Date: 2025
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DOI: 10.1038/s41467-025-56941-4

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