V2EX cdc42

Cdc42

释义 Definition

Cdc42:一种属于 Rho 家族的小型 GTP 酶(small GTPase),在细胞内充当“分子开关”,调控细胞极性建立、细胞骨架(肌动蛋白)重排、细胞迁移、囊泡运输等过程。(注:在生物学语境中也常写作 CDC42。)

发音 Pronunciation

/si di si frti tu/

例句 Examples

Cdc42 helps cells form polarity.
Cdc42 帮助细胞建立极性。

By activating downstream effectors, Cdc42 coordinates actin remodeling during directed cell migration.
通过激活下游效应蛋白,Cdc42 在定向细胞迁移过程中协调肌动蛋白的重塑。

词源 Etymology

Cdc42 源自模式生物(如酵母)基因命名体系:CDCcell division cycle(细胞分裂周期)的缩写,42 是该类基因/突变体编号之一。后来在更广泛的细胞生物学研究中,Cdc42 常指对应的保守蛋白(Rho 家族 GTPase),用于描述其在真核细胞中的信号调控功能。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Molecular Biology of the Cell(Alberts 等,《细胞的分子生物学》):在细胞骨架与 Rho 家族 GTP 酶章节中讨论包括 Cdc42 在内的调控网络。
  • The Cell: A Molecular Approach(Cooper & Hausman,《细胞:分子方法》):在细胞信号与骨架重排相关内容中提及 Cdc42
  • Essential Cell Biology(Alberts 等,《基础细胞生物学》):以教学性方式介绍 Rho GTPases(常包含 Cdc42)在细胞形态与迁移中的作用。
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