V2EX neddylation

Neddylation

释义 Definition

Neddylation(NEDD8化/类泛素化修饰的一种):一种蛋白质翻译后修饰过程,把小蛋白 NEDD8 通过共价键连接到靶蛋白(最常见为 Cullin(库林) 蛋白)上,从而调控 Cullin-RING E3连接酶(CRL) 的活性、蛋白质泛素化与蛋白降解等细胞过程。(在科研语境中也常与“deneddylation/NEDD8去修饰”成对出现。)

发音 Pronunciation (IPA)

/ndlen/

例句 Examples

Neddylation helps regulate protein turnover in cells.
NEDD8化有助于调控细胞内蛋白质的更新与周转。

By inhibiting neddylation, the drug reduced cullin-RING ligase activity and altered the degradation of key cell-cycle proteins.
通过抑制NEDD8化,该药物降低了库林-RING连接酶的活性,并改变了关键细胞周期蛋白的降解过程。

词源 Etymology

Neddylation 来自 NEDD8(一种与泛素相似的小蛋白名)+ 后缀 -ylation(表示“发生某种化学/生化修饰、加成反应”的构词方式,如 acetylation 乙酰化)。该词在分子生物与蛋白质修饰研究中形成并普及,用来专指“NEDD8连接到蛋白上的修饰过程”。

相关词 Related Words

文学/著作与常见出处 Literary/Notable Works

  • Nature Reviews Molecular Cell Biology(综述类文章中常见):关于 neddylation/deneddylation 调控CRL活性与细胞周期、DNA损伤反应的讨论。
  • Cell / Molecular Cell(研究论文中常见):涉及库林蛋白的NEDD8化如何影响泛素化底物识别与降解路径。
  • Cancer Cell / Clinical Cancer Research(肿瘤相关研究中常见):讨论 NEDD8-activating enzyme(NAE)抑制剂(如 MLN4924/pevonedistat)通过抑制neddylation 影响肿瘤细胞存活与应激通路。
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