Science
Seeing around corners: Cells solve mazes and respond at a distance using attractant breakdown – Science Magazine
Migration of cells through tissues and embryos is often steered by gradients of attractive chemicals in a process called chemotaxis. Cells are best at navigating complex routes, for which they use “self-generated chemotaxis” and create their own attractant gr…
Structured Abstract
Abstract
During development and metastasis, cells migrate large distances through complex environments. Migration is often guided by chemotaxis, but simple chemoattractant gradients between a source and sink cannot direct cells over such ranges. We describe how self-generated gradients, created by cells locally degrading attractant, allow single cells to navigate long, tortuous paths and make accurate choices between live channels and dead ends. This allows cells to solve c…
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