V2EX signal transduction

Signal Transduction

Definition / 释义

信号转导(信号传导):细胞把外界或细胞内的“信号”(如激素、神经递质、光、机械刺激)通过受体和一系列分子反应(常见为蛋白质相互作用、磷酸化级联、第二信使等)转化并传递成特定的细胞反应(如基因表达变化、代谢调整、细胞增殖或凋亡)的过程。该术语在分子生物学与细胞生物学中最常见。(在工程学中也可指“转导”过程,但此处以生物学义为主。)

Pronunciation / 发音(IPA)

/snl trnzdkn/

Examples / 例句

Cells use signal transduction to respond to hormones.
细胞通过信号转导来响应激素。

Defects in signal transduction pathways can lead to uncontrolled cell growth and cancer.
信号转导通路中的缺陷可能导致细胞生长失控并引发癌症。

Etymology / 词源

signal 源自拉丁语 signum(“标记、符号”),经法语进入英语,表示“信号、指示”。transduction 由前缀 **trans-**(“跨越、转变”)+ 拉丁语词根 ducere(“引导、带领”)发展而来,含义为“把一种形式的能量/信息转换并传递为另一种形式”。在生物学语境中,组合成 signal transduction,强调“信号被转换并沿通路传递”的过程。

Related Words / 相关词

Literary Works / 作品与著作中的用例

  • Molecular Biology of the Cell(《细胞的分子生物学》,Alberts 等)
  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》)
  • The Cell: A Molecular Approach(《细胞:分子方法》)
  • Signal Transduction(期刊:Signal Transduction and Targeted Therapy 等相关综述与论文中频繁出现)
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