V2EX sialic-acid

Sialic Acid

定义 Definition

唾液酸:一类常见于细胞表面糖链末端的酸性单糖(多为九碳糖),在细胞识别、免疫调控、炎症反应、病毒/细菌黏附与入侵等过程中很重要。最常见的形式之一是 N-乙酰神经氨酸(Neu5Ac)

发音 Pronunciation (IPA)

/salk sd/

例句 Examples

Sialic acid is found on the surface of many human cells.
唾液酸存在于许多人类细胞的表面。

Changes in sialic acid patterns can influence how viruses attach to cells and how the immune system responds.
唾液酸的分布与修饰模式发生变化,会影响病毒如何附着到细胞上,也会影响免疫系统的反应方式。

词源 Etymology

sialic” 来自希腊语 síalon(意为“唾液”),因为这类化合物最早与唾液/黏液相关的成分研究有关;“acid” 指其具有酸性官能团与酸性性质。现代生物化学中,“唾液酸”通常作为一组相关分子的统称(包括不同取代与修饰形式)。

相关词 Related Words

文学与著名作品中的用例 Literary / Notable Works

  • Molecular Biology of the Cell(Alberts 等,细胞生物学经典教材中讨论细胞表面糖链与末端唾液酸)
  • Essentials of Glycobiology(Varki 等,糖生物学权威教材中系统介绍唾液酸及其生物学功能)
  • Lehninger Principles of Biochemistry(Nelson & Cox,生物化学教材中涉及糖类与糖蛋白相关内容,常提到唾液酸)
  • 经典流感研究论文与综述中(常见于讨论neuraminidase/唾液酸酶与宿主受体结合的机制)
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