Fluid flow and guidance of collective cell migration


Collective cell migration is emerging as a significant component of many biological processes including metazoan development, tissue maintenance and repair and tumor progression. Different contexts dictate different mechanisms by which migration is guided and maintained. In vascular endothelia subjected to significant shear stress, fluid flow is utilized to properly orient a migrating group of cells. Recently, we discovered that the developing zebrafish pronephric epithelium undergoes a similar response to luminal fluid flow, which guides pronephric epithelial migration towards the glomerulus. Intratubular migration leads to significant changes in kidney morphology. This novel process provides a powerful in vivo model for further exploration of the mechanisms underlying mechanotransduction and collective migration.

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Fluid flow and guidance of collective cell migration