V2EX nucleocytoplasmic transport

Nucleocytoplasmic Transport

Definition / 定义

核细胞质运输:指细胞内物质(如蛋白质、RNA 等)在细胞核细胞质之间的定向进出与交换过程,通常通过核孔复合体(NPC)并依赖转运受体(如 importin/exportin)完成。该过程对基因表达调控、细胞周期与应激反应等至关重要。

Pronunciation / 发音

/nukli.osatplzmk trnsprt/

Examples / 例句

Nucleocytoplasmic transport controls which proteins enter the nucleus.
核细胞质运输控制哪些蛋白质进入细胞核。

Defects in nucleocytoplasmic transport can disrupt RNA processing and contribute to neurodegenerative disease.
核细胞质运输的缺陷可能干扰 RNA 加工,并促成神经退行性疾病的发生。

Etymology / 词源

该术语由多个构词成分组合而成:**nucleo-**(核,来自拉丁语 nucleus,意为“核/果仁”)+ **cyto-**(细胞,源自希腊语 kytos,意为“容器/细胞”)+ plasm(细胞质/成形物质,源自腊语 plasma,意为“塑形之物”)+ -ic(形容词后缀)+ transport(运输/转运,来自拉丁语 transportare,“跨越搬运”)。整体字面义即“发生在细胞核与细胞质之间的运输”。

Related Words / 相关词

Literary Works / 文学作品

  • Molecular Biology of the Cell(Alberts 等),在核孔复合体与核细胞质运输章节中系统讨论该概念。
  • Molecular Cell Biology(Lodish 等),在基因表达与细胞核运输相关内容中使用该术语。
  • Grlich & Kutay (1999), Annual Review of Cell and Developmental Biology:综述核细胞质运输机制与转运受体。
  • Wente & Rout (2010), Cold Spring Harbor Perspectives in Biology:讨论核孔复合体结构与核细胞质运输的联系。
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