V2EX carbamylation

Carbamylation

释义 / Definition

Carbamylation 指“氨甲酰化/碳酰胺化”,通常是指蛋白质或其他分子上的氨基(尤其是赖氨酸残基或N端氨基)与异氰酸根/氰酸(cyanate)反应,形成氨甲酰基(carbamyl)修饰的过程。它常被视为一种非酶促的蛋白质翻译后修饰,在尿毒症、高尿素状态、炎症相关环境中更常见。
(注:在部分化学语境中也可泛指“引入氨甲酰基”的反应。)

发音 / Pronunciation (IPA)

/krbmlen/

例句 / Examples

Carbamylation can change how a protein works.
氨甲酰化会改变蛋白质的功能。

In patients with chronic kidney disease, increased urea can promote carbamylation of circulating proteins, which may contribute to cardiovascular risk.
在慢性肾病患者中,尿素升高可能促进循环蛋白发生氨甲酰化,从而可能增加心血管风险。

词源 / Etymology

carbamyl-(“氨甲酰基”,与尿素/氰酸相关的化学基团)+ -ation(表示“……的过程/作用”)构成。该词常用于生物化学与医学文献,用来描述由氰酸/异氰根导致的分子修饰过程。

相关词 / Related Words

文学与名著出处 / Notable Works

  • Lehninger Principles of Biochemistry(《莱宁格生物化学原理》)在蛋白质化学修饰与相关反应背景下常会提及 carbamylation/相关碳酰化反应。
  • Harper’s Illustrated Biochemistry(《哈珀图解生物化学》)在尿素、肾功能异常与蛋白质修饰相关章节中可能出现该术语。
  • 学术期刊综述与论文(如肾病与心血管研究领域)常用 carbamylation 讨论“尿素-氰酸途径导致的蛋白修饰”及其临床意义。
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