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Collective cell movements are integral to biological processes such as embryonic development and wound healing and also have a prominent role in some metastatic cancers. In migrating Xenopus mesendoderm, traction forces are generated by cells through integrin-based adhesions and tension transmitted across cadherin adhesions. This is accompanied by assembly of a mechanoresponsive cadherin adhesion...
Collective cell migration requires maintenance of adhesive contacts between adjacent cells, coordination of polarized cell protrusions, and generation of propulsive traction forces. We demonstrate that mechanical force applied locally to C-cadherins on single Xenopus mesendoderm cells is sufficient to induce polarized cell protrusion and persistent migration typical of individual cells within a collectively...
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