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首页> 外文期刊>Annual review of cell and developmental biology >Integrating Chemistry and Mechanics: The Forces Driving Axon Growth
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Integrating Chemistry and Mechanics: The Forces Driving Axon Growth

机译:整合化学和力学:推动轴突生长的力量

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摘要

The brain is our most complex organ. During development, neurons extend axons, which may grow over long distances along well-defined pathways to connect to distant targets. Our current understanding of axon pathfinding is largely based on chemical signaling by attractive and repulsive guidance cues. These cues instruct motile growth cones, the leading tips of growing axons, where to turn and where to stop. However, it is not chemical signals that cause motion—motion is driven by forces. Yet our current understanding of the mechanical regulation of axon growth is very limited. In this review, I discuss the origin of the cellular forces controlling axon growth and pathfinding, and how mechanical signals encountered by growing axons may be integrated with chemical signals. This mechanochemical cross talk is an important but often overlooked aspect of cell motility that has major implications for many physiological and pathological processes involving neuronal growth.
机译:大脑是我们最复杂的器官。 在开发期间,神经元延伸轴突,该轴突沿着沿着明确的途径来长距离生长以连接到远距离目标。 我们目前对Axon Pathfinding的理解主要基于有吸引力和排斥的引导线索的化学信号传导。 这些提示指示动机增长锥,生长轴突的主要尖端,在哪里转动和停止的地方。 然而,它不是导致运动运动由力驱动的化学信号。 然而,我们目前对轴突生长的机械调节的理解非常有限。 在该综述中,我讨论控制轴突生长和路径突出的蜂窝力的起源,以及通过生长轴突遇到的机械信号如何与化学信号集成。 这种机械化学串扰是一种重要的,但通常被忽视的细胞运动方面,对涉及神经元生长的许多生理和病理过程具有重大影响。

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