V2EX arachidonic acid

Arachidonic Acid

释义 Definition(中文)

花生四烯酸:一种常见的ω-6(Omega-6)多不饱和脂肪酸(20:4),广泛存在于动物细胞膜的磷脂中,是合成前列腺素、白三烯、血栓烷等“类二十烷酸(eicosanoids)”信号分子的关键前体,参与炎症、免疫反应、血小板聚集等生理过程。(也常与“炎症反应”相关联,但它本身并不等同于“炎症”。)

发音 Pronunciation(IPA)

/rkdnk sd/

例句 Examples

Arachidonic acid is found in cell membranes.
花生四烯酸存在于细胞膜中。

When the cell is stimulated, enzymes can release arachidonic acid from phospholipids, leading to the production of inflammatory mediators.
当细胞受到刺激时,酶可从磷脂中释放花生四烯酸,从而生成参与炎症反应的介质。

词源 Etymology(中文)

arachidonic 来自 arachid-(与“花生”相关的词根,源自希腊语 arákhis,意为“花生”)加上化学形容词后缀 -onic;之所以与“花生”相关,是因为这种脂肪酸早期曾在花生油成分研究中被鉴定并命名。acid 为常见化学名词“酸”。

相关词 Related Words

文学与著作出现 Literary Works(举例)

  • Lehninger Principles of Biochemistry(《莱宁格生物化学原理》):在膜脂与信号转导、类二十烷酸合成相关章节中讨论花生四烯酸及其衍生物。
  • Harper’s Illustrated Biochemistry(《哈珀图解生物化学》):在脂肪酸代谢与炎症介质章节中出现并解释其生理作用。
  • Goodman & Gilman’s The Pharmacological Basis of Therapeutics(《古德曼-吉尔曼药理学》):在NSAIDs、环氧化酶通路与炎症药理内容中频繁提到花生四烯酸通路。
  • Bergstrm & Samuelsson 等关于前列腺素/类二十烷酸的经典论文(20世纪中后期):以花生四烯酸为底物来源阐明多种炎症与生理调控介质的生成途径。
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