V2EX rna surveillance

RNA Surveillance

Definition|释义

RNA surveillance 指细胞内对 RNA(尤其是 mRNA)进行质量控制与监测的一套机制,用来识别并清除异常或有缺陷的 RNA(如含提前终止密码子的转录本、错误剪接产物等),以防产生有害蛋白或浪费细胞资源。常见相关途径包括 NMD(无义介导降解)NSDNGD 等。

Pronunciation|发音(IPA)

/r en e srvelns/

Examples|例句

RNA surveillance helps cells remove faulty mRNAs.
RNA 监控机制帮助细胞清除有缺陷的 mRNA。

Defects in RNA surveillance can lead to the accumulation of aberrant transcripts and contribute to disease.
RNA 监控机制的缺陷会导致异常转录本积累,并可能促成疾病发生。

Etymology|词源

RNAribonucleic acid(核糖核酸)的缩写;surveillance 源自法语 surveiller(监视、看守),进一步可追溯到拉丁语成分,含“在上方观察/看守”之意。组合成 RNA surveillance,直译为“对 RNA 的监视/巡查”,在生命科学语境中引申为“RNA 质量监控”。

Related Words|相关词

Notable Works|文学与著作示例

  • Molecular Biology of the Cell(Alberts 等):在讲解基因表达调控与 RNA 降解时涉及 RNA 质量控制/监控体系。
  • Molecular Cell Biology(Lodish 等):介绍 NMD 等 RNA surveillance 相关通路及其分子机制。
  • Nature Reviews Molecular Cell Biology / Nature Reviews Genetics 的综述文章:常用 “RNA surveillance” 讨论 RNA 监控网络与疾病关联。
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