V2EX nucleoporin

Nucleoporin

Definition|释义

核孔蛋白:构成核孔复合体(nuclear pore complex, NPC)的一类蛋白质,位于细胞核膜的核孔通道周围,主要参与核与细胞质之间分子运输(如RNA与蛋白质进出细胞核),并在核结构与基因表达调控中也可能发挥作用。

Pronunciation|发音(IPA)

/nuklioprn/(美式常见)

Examples|例句

Nucleoporins help control what enters and leaves the nucleus.
核孔蛋白帮助控制哪些物质进入或离开细胞核。

Mutations in certain nucleoporins can disrupt nuclear transport and are linked to specific human diseases in cellular studies.
在细胞研究中,某些核孔蛋白的突变可能破坏核运输,并与特定人类疾病相关。

Etymology|词源

nucleoporin由 **nucleo-**(与“细胞核”有关,源自拉丁语 nucleus,意为“核/核心”)+ porin(与“孔/通道”相关的成分,常用于指与孔道结构有关的蛋白)组合而成,字面含义接近“细胞核孔道相关的蛋白质”。在现代生物学语境中,它特指核孔复合体的组成蛋白家族。

Related Words|相关词

Literary Works|文学/著作中的用例

  • Molecular Biology of the Cell(Alberts 等,《细胞的分子生物学》):在核孔复合体与核质运输章节中讨论核孔蛋白(nucleoporins)。
  • The Cell: A Molecular Approach(Cooper & Hausman,《细胞:分子方法》):介绍核孔复合体组成与核孔蛋白在运输选择性中的作用。
  • Nuclear Transport(相关综述/专著常用题名):多篇核运输领域综述会反复使用“nucleoporins”描述NPC的结构与功能模块。
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