V2EX integrin

Integrin

定义 Definition

整合素:一种位于细胞膜上的跨膜受体蛋白(通常由α/β两个亚基组成),能把细胞外基质(如纤连蛋白、胶原)与细胞内骨架连接起来,参与细胞黏附、迁移、信号传导与组织修复等过程。(该词在不同语境下也可泛指某类整合素家族成员。)

发音 Pronunciation (IPA)

/ntrn/

例句 Examples

Integrins help cells stick to their surroundings.
整合素帮助细胞黏附在周围的环境(细胞外基质)上。

By changing integrin activity, immune cells can rapidly shift from rolling along blood vessels to firmly attaching and moving into inflamed tissue.
通过改变整合素的活性,免疫细胞可以迅速从在血管壁“滚动”转变为牢固黏附,并迁移进入发炎组织。

词源 Etymology

integrin 来自 integrate(“整合、使成为整体”)的词根 *integr-*(与拉丁语 integer “完整的”相关)加上常用于蛋白/分子名称的后缀 -in。命名强调它们把“细胞外”和“细胞内”结构与信号整合在一起的功能。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Molecular Biology of the Cell(Alberts 等,《细胞的分子生物学》)
  • Molecular Cell Biology(Lodish 等,《分子细胞生物学》)
  • Lehninger Principles of Biochemistry(Nelson & Cox,《雷宁格生物化学原理》)
  • Hynes, R. O. (2002). “Integrins: Bidirectional, allosteric signaling machines.” Cell(经典综述文章)
  • Humphries, J. D., Byron, A., & Humphries, M. J. (2006). “Integrin ligands at a glance.” Journal of Cell Science(常被引用的概览文章)
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