Biophysics of substrate interaction: influence on neural motility, differentiation, and repair.

Biophysics of substrate interaction: influence on neural motility, differentiation, and repair.
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DOI:
10.1002/dneu.20947
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发表时间:
2011-11
影响因子:
3
通讯作者:
Sheetz, Michael P.
Sheetz, Michael P.
中科院分区:
医学3区
文献类型:
--
作者:
Moore, Simon W.;Sheetz, Michael P.

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细胞的身份和行为是由其周围环境的分子和机械组成塑造的。分子线索在指导神经元的命运决定和细胞和轴突的迁移中具有牢固的作用。然而,越来越多的证据表明,地形和刚性线索在细胞外环境中的协同作用,这些分子线索。和化学信号一样,物理因素不会引起固定的反应,而是取决于细胞的感官构成。此外,从发育研究和神经组织的可塑性来看,很明显,物理和化学因素之间存在动态反馈,以产生最终的形态。在这里,我们专注于我们目前的理解,这些物理线索如何塑造细胞分化和迁移,并讨论它们的相关性,以修复受损的神经系统。
The identity and behavior of a cell is shaped by the molecular and mechanical composition of its surroundings. Molecular cues have firmly established roles in guiding both neuronal fate decisions and the migration of cells and axons. However, there is growing evidence that topographical and rigidity cues in the extracellular environment act synergistically with these molecular cues. Like chemical cues, physical factors do not elicit a fixed response, but rather one that depends on the sensory makeup of the cell. Moreover, from developmental studies and the plasticity of neural tissue, it is evident that there is dynamic feedback between physical and chemical factors to produce the final morphology. Here we focus on our current understanding of how these physical cues shape cellular differentiation and migration, and discuss their relevance to repairing the injured nervous system.
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