Stimuli-responsive hydrogels as a model of the dynamic cellular microenvironment

Stimuli-responsive hydrogels as a model of the dynamic cellular microenvironment
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刺激响应水凝胶作为动态细胞微环境的模型

DOI:
10.1038/s41428-020-0353-6
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发表时间:
2020
期刊:
影响因子:
2.8
通讯作者:
Stefan Kaufmann
Stefan Kaufmann
中科院分区:
化学3区
文献类型:
--
作者:
Motomu Tanaka;Masaki Nakahata;Philipp Linke;Stefan Kaufmann

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充足的证据表明,生物细胞不仅对周围微环境的生化信号做出反应,而且还能灵敏地检测细胞外基质和邻近细胞的机械特性,以适应它们的形状、功能和命运。生物学中的机械方面,称为机械生物学,一直吸引着生物学家、化学家、物理学家和机械工程师。然而,迄今为止,大多数体外研究都严重依赖于具有预先确定的、因此不可改变的机械性能的共价交联水凝胶,尽管细胞微环境的机械性能从来都不是均匀或静态的。从这个角度来看,刺激响应水凝胶作为可以模拟体内动态物理微环境的替代材料非常有吸引力。本综述试图全面概述用于动态控制细胞行为的刺激响应水凝胶材料的先前成就、目前的陷阱和挑战以及未来的前景。
Ample evidence has demonstrated that biological cells not only react to biochemical cues from the surrounding microenvironments but also sensitively detect the mechanical properties of the extracellular matrix and neighboring cells to adapt their shape, function, and fate. Mechanical aspects in biology, called mechanobiology, have been attracting biologists, chemists, physicists, and mechanical engineers. However, most in vitro studies to date have heavily relied on covalently cross-linked hydrogels with prefixed and hence unchangeable mechanical properties, although the mechanical properties of the cellular microenvironment are never uniform or static. From this context, stimuli-responsive hydrogels are highly attractive as surrogate materials that can simulate dynamic physical microenvironments in vivo. This review tries to provide a comprehensive overview of previous achievements, present pitfalls and challenges, and future perspectives on the recent development of stimuli-responsive hydrogel materials for the dynamic control of cell behavior.
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