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Collective Cell Migration: Leadership, Invasion and Segregation

Kabla, AJ (2012) Collective Cell Migration: Leadership, Invasion and Segregation. Journal of the Royal Society Interface.

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A number of biological processes, such as embryo development, cancer metastasis or wound healing, rely on cells moving in concert. The mechanisms leading to the emergence of coordinated motion remain however largely unexplored. Although biomolecular signalling is known to be involved in most occurrences of collective migration, the role of physical and mechanical interactions has only been recently investigated. In this paper, a versatile framework for cell motility is implemented in-silico in order to study the minimal requirements for the coordination of a group of epithelial cells. We find that cell motility and cell-cell mechanical interactions are sufficient to generate a broad array of behaviours commonly observed in vitro and in vivo. Cell streaming, sheet migration and susceptibility to leader cells are examples of behaviours spontaneously emerging from these simple assumptions, which might explain why collective effects are so ubiquitous in nature. This analysis provides also new insights into cancer metastasis and cell sorting, suggesting in particular that collective invasion might result from an emerging coordination in a system where single cells are mechanically unable to invade.

Item Type: Article
Divisions: Div C > Biomechanics
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:06
Last Modified: 13 Apr 2021 10:01
DOI: 10.1098/​rsif.2012.0448