Sci Signal. 2012 Feb 28;5(213):eg3. doi: 10.1126/scisignal.2002970.
The process by which cells orient their movement according to external gradients plays important roles in physiological and pathological processes. This Focus Issue of Science Signaling highlights the interplay between molecules, signaling pathways, and mechanisms that enable directional movement.
细胞根据外部梯度定向运动的过程在生理和病理过程中起着重要作用。本期《科学信号》焦点问题突出了分子、信号通路和机制之间的相互作用,这些分子、信号通路和机制使定向运动成为可能。