V2EX cox-2

Cox-2

释义 Definition

COX-2(环氧合酶-2;又称前列腺素内过氧化物合酶-2)是一种在炎症、疼痛、发热等刺激下常被诱导表达的酶,参与将花生四烯酸转化为前列腺素等介质的过程。它也是某些止痛抗炎药(如选择性COX-2抑制剂)的重要作用靶点。
(注:与之对应的还有COX-1,更偏向“生理性基础表达”。)

发音 Pronunciation (IPA)

/si o ks tu/

例句 Examples

COX-2 is often upregulated during inflammation.
COX-2 在炎症过程中常常会上调表达。

Selective COX-2 inhibitors can relieve pain while reducing the risk of stomach irritation compared with some traditional NSAIDs.
与一些传统非甾体抗炎药相比,选择性 COX-2 抑制剂在缓解疼痛的同时,可能降低胃部刺激的风险。

词源 Etymology

COX-2cyclooxygenase-2 的缩写:**cyclo-**(环)+ oxygenase(加氧酶/氧化酶的一类,参与引入氧)+ -2(第二型/第二同工酶)。命名反映了它与 COX-1 同属一类酶,但在表达调控与生理角色上有所区别。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Goodman & Gilman’s The Pharmacological Basis of Therapeutics(药理学经典教材,讨论COX通路与COX-2抑制剂)
  • Rang & Dale’s Pharmacology(常见药理学教材,对COX-1/COX-2与NSAIDs机制有系统介绍)
  • Nature / PNAS 等期刊在20世纪90年代初关于“诱导型环氧合酶(COX-2)”的克隆与功能研究论文(COX-2概念与分子层面确立的重要来源)
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