V2EX durotaxis

Durotaxis

释义 Definition

硬度趋向性 / 基质刚度趋向性:指细胞(或细胞群)在移动时,会沿着材料/细胞外基质(ECM)刚度梯度方向迁移的现象,通常倾向于向更硬的区域移动。常见于细胞生物学、组织工程与力学生物学语境。(也可泛指对“硬/软”机械环境差异的定向迁移。)

发音 Pronunciation

/drotkss/

例句 Examples

Cells can exhibit durotaxis when they encounter a stiffness gradient in the extracellular matrix.
当细胞在细胞外基质中遇到刚度梯度时,可能会表现出硬度趋向性。

In wound healing models, fibroblasts often show durotaxis, migrating toward stiffer regions that provide stronger adhesion and traction forces.
在伤口愈合模型中,成纤维细胞常表现出硬度趋向性,迁移到更硬的区域,因为那里能提供更强的黏附与牵引力。

词源 Etymology

duro- 来自拉丁语 durus,意为“坚硬的”;**-taxis** 来自希腊语 taxis,意为“排列、定向运动”。合起来表示“对硬度(刚度)变化的定向迁移”。

相关词 Related Words

文学与作品 Literary Works

  • Lo, C.-M. 等(2000)“Cell movement is guided by the rigidity of the substrate.” Biophysical Journal(经典论文,系统阐述细胞对基质刚度差异的定向迁移,被广泛视为相关概念的重要来源)。
  • Discher, D. E., Janmey, P., Wang, Y.-L.(2005)“Tissue cells feel and respond to the stiffness of their substrate.” Science(综述/观点类名作,讨论细胞如何感知并响应基质力学性质,常与 durotaxis 一并出现)。
  • Sunyer, R. 等(2016)“Collective cell durotaxis emerges from long-range intercellular force transmission.” Science(讨论细胞群体层面的硬度趋向性与力传递机制)。
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