2020
DOI: 10.1016/j.ceb.2019.10.001
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Multicellular scale front-to-rear polarity in collective migration

Abstract: Collective cell migration does not only reflect the migration of cells at a similar speed and in the same direction, it also implies the emergence of new properties observed at the level of the cell group. This collective behaviour relies on interactions between the cells and the establishment of a hierarchy amongst cells with leaders driving the group of followers. Here we make the parallel between the front-to-rear polarity axis in single cell and the front-to-rear multicellular scale polarity of a migrating… Show more

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Cited by 45 publications
(43 citation statements)
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“…The choice of a leader cell and establishment of its polarity is far from clear. The asymmetric distribution of cadherin-based adhesions may contribute to coordination of collective migration by restricting lamellipodial activity in the zones of cell-cell contacts and recruiting Rac GEFs at the leading cell edge [203]. Activation of leader cells depends on extracellular stimuli, such as ECM ligands or growth factors from microenvironment [201].…”
Section: Mesenchymal Migrationmentioning
confidence: 99%
“…The choice of a leader cell and establishment of its polarity is far from clear. The asymmetric distribution of cadherin-based adhesions may contribute to coordination of collective migration by restricting lamellipodial activity in the zones of cell-cell contacts and recruiting Rac GEFs at the leading cell edge [203]. Activation of leader cells depends on extracellular stimuli, such as ECM ligands or growth factors from microenvironment [201].…”
Section: Mesenchymal Migrationmentioning
confidence: 99%
“…Very much like drivers following road signs. Many inputs (e.g., chemical, mechanical, electrical, topological) can be shown to fulfill this function in controlled and simplified experiments (Zhao et al, 2006;Capuana et al, 2020;Zhu et al, 2020). However, living systems were not engineered by a designer to strictly follow a set of specifications in a logical manner that is then validated by external quality controls.…”
Section: Introductionmentioning
confidence: 99%
“…Close cellular contacts probably facilitate the propagation of direct mechanical and biochemical interactions that underlie supracellular migration. We tentatively distinguish “information flows” that propagate in either a back-to-front or a front-to-back fashion 12, 13 . For instance, similar to Xenopus cranial neural crest cells, Ciona cardiopharyngeal progenitors appear to focus contractility at the back of the trailer cell, thus suggesting that a “rear-wheel” engine may help power their migration.…”
Section: Discussionmentioning
confidence: 99%
“…Migratory collectives typically exist on a continuum with varying degrees of cell-cell contacts and collective polarity, where defined leader and follower cells are arranged in a front-to-back manner 12, 13 . In minimally differentiated groups, individual cells move as autonomous units, while adjusting directionality and speed relative to their neighbors 14 .…”
Section: Introductionmentioning
confidence: 99%