V2EX focal adhesion

Focal Adhesion

Definition / 释义

focal adhesion(细胞生物学)指黏着斑/黏附斑:细胞膜上由多种蛋白质组成的结构,细胞通过它把细胞骨架(主要是肌动蛋白)连接到细胞外基质(ECM),用于黏附、感受机械力与传递信号。该结构会随细胞迁移与受力而动态组装、解体。(在不同语境下也可泛指“关键的黏附点”。)

Pronunciation / 发音(IPA)

/fokl dhin/

Examples / 例句

Focal adhesions help cells stick to their surroundings.
黏着斑帮助细胞黏附在周围环境(细胞外基质)上。

During wound healing, focal adhesions assemble and disassemble to support directed cell migration and signaling.
在伤口愈合过程中,黏着斑不断组装与解体,以支持定向的细胞迁移和信号传递。

Etymology / 词源

focal 来自拉丁语 focus(“火炉、中心”),引申为“焦点的、关键的”;adhesion 来自拉丁语 adhaerēread- “向着” + haerēre “粘住”),意为“黏附”。合起来表示“细胞中作为关键黏附点的结构”,因此中文常译为“黏着斑/黏附斑”。

Related Words / 相关词

Literary Works / 文学与著作中的用例

  • 《Molecular Biology of the Cell》(Alberts 等):在细胞黏附与细胞骨架章节中系统介绍 integrins 与 focal adhesions 的结构与信号功能。
  • 《Molecular Cell Biology》(Lodish 等):讨论细胞-基质黏附复合体与 focal adhesion 动态调控及其在迁移中的作用。
  • Geiger, Bershadsky, Pankov & Yamada(综述论文):经典综述中以 focal adhesions 为核心讨论黏附复合体的组成、力学与信号网络。
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