V2EX glycation

Glycation

定义 Definition

glycation(糖化作用/非酶促糖基化)指还原糖(如葡萄糖)在不依赖酶的情况下,与蛋白质、脂质或核酸上的氨基等基团发生反应,逐步形成糖化产物,最终可生成晚期糖基化终末产物(AGEs)。它常与衰老、糖尿病并发症及炎症相关。(注:它不同于“glycosylation(糖基化)”,后者通常是酶促、受细胞调控的修饰。)

发音 Pronunciation (IPA)

/laken/

例句 Examples

High blood sugar can speed up glycation.
高血糖会加速糖化作用。

In diabetes, long-term glycation can alter collagen structure, contributing to stiffer blood vessels and impaired wound healing.
在糖尿病中,长期的糖化作用可能改变胶原蛋白结构,导致血管更僵硬并影响伤口愈合。

词源 Etymology

glycation由 **glyc-**(与“糖”相关,源自希腊语 glykys,意为“甜的”)+ -ation(表示“过程/作用”)构成。该词在现代生物化学与医学语境中广泛使用,用来强调“非酶促的糖相关反应过程”。

相关词 Related Words

文献作品 Literary Works

  • Brownlee, M. “The Pathobiology of Diabetic Complications: A Unifying Mechanism.” Diabetes(2005)讨论高糖环境下包括糖化在内的机制如何导致并发症。
  • Harrison’s Principles of Internal Medicine(《哈里森内科学》)在糖尿病与慢性并发症相关章节中常提及糖化、AGEs与组织损伤的关系。
  • Ulrich, P. & Cerami, A. 相关综述与章节(如关于蛋白质非酶促糖化与AGEs的经典医学/生化综述)常用“glycation”描述这一过程及其生物学影响。
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