Forcing cells into shape: the mechanics of actomyosin contractility.

Forcing cells into shape: the mechanics of actomyosin contractility.
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DOI:
10.1038/nrm4012
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发表时间:
2015-08
期刊:
Nature reviews. Molecular cell biology
影响因子:
--
通讯作者:
Gardel ML
Gardel ML
中科院分区:
其他
文献类型:
--
作者:
Murrell M;Oakes PW;Lenz M;Gardel ML

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肌动球蛋白介导的收缩是在动物细胞中产生机械应力的一种高度保守的机制,是肌肉收缩、细胞迁移、细胞分裂和组织形态形成的基础。虽然肌动球蛋白在横纹肌中介导的收缩作用已被人们熟知,但在非肌肉和平滑肌细胞中对这种收缩作用的调节还不是很确定。我们对肌动球蛋白阵列缺乏肌节组织的机制的了解不断加深,揭示了新的调节和力量传递模式。这项工作还提供了一个例子,说明共同的分子成分如何在细胞尺度上产生不同的力学行为,强调了实验和理论的必要性,以将分子长度尺度与细胞长度尺度联系起来。
Actomyosin-mediated contractility is a highly conserved mechanism for generating mechanical stress in animal cells and underlies muscle contraction, cell migration, cell division and tissue morphogenesis. Whereas actomyosin-mediated contractility in striated muscle is well understood, the regulation of such contractility in non-muscle and smooth muscle cells is less certain. Our increased understanding of the mechanics of actomyosin arrays that lack sarcomeric organization has revealed novel modes of regulation and force transmission. This work also provides an example of how diverse mechanical behaviours at cellular scales can arise from common molecular components, underscoring the need for experiments and theories to bridge the molecular to cellular length scales.
层状肌球蛋白力产生的动态和结构特征。
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