V2EX dihydroorotate dehydrogenase

Dihydroorotate Dehydrogenase

释义 Definition

二氢乳清酸脱氢酶(常缩写 DHODH)是一种参与嘧啶核苷酸从头合成(de novo)途径的关键酶,催化“二氢乳清酸(dihydroorotate)”氧化生成“乳清酸(orotate)”。在人类等真核生物中,该酶通常定位于线粒体内膜并与电子传递体系相关;因此它也是某些免疫调节/抗炎药物的作用靶点。

发音 Pronunciation (IPA)

/dahadrortet dihadrdnez/

例句 Examples

Dihydroorotate dehydrogenase is essential for pyrimidine synthesis.
二氢乳清酸脱氢酶对嘧啶的合成至关重要。

By inhibiting dihydroorotate dehydrogenase, the drug reduces rapidly dividing immune cells and helps control inflammation.
通过抑制二氢乳清酸脱氢酶,这种药物可减少快速增殖的免疫细胞,从而帮助控制炎症。

词源 Etymology

该术语由三部分构成:**dihydro-**(“二氢、加氢后的”,表示相对更“还原”的状态)+ orotate(乳清酸/乳清酸盐,指代底物相关的化合物)+ dehydrogenae(脱氢酶,一类催化氧化还原反应、常通过“移除氢/电子”实现氧化的酶名后缀)。合起来字面含义即“作用于二氢乳清酸的脱氢酶”。

相关词 Related Words

文学与经典著作 Literary Works

  • Lehninger Principles of Biochemistry(《莱宁格生物化学原理》)中在嘧啶从头合成章节讨论该酶步骤与定位。
  • Biochemistry by Berg, Tymoczko & Stryer(《斯特赖尔生物化学》相关版本)在核苷酸代谢部分提及 DHODH 的反应与调控。
  • Goodman & Gilman’s The Pharmacological Basis of Therapeutics(《古德曼与吉尔曼:治疗学的药理学基础》)在免疫调节药物机制中涉及 DHODH 作为药物靶点。
  • Harrison’s Principles of Internal Medicine(《哈里森内科学》)在部分免疫相关治疗内容中可能提及以 DHODH 为靶点的药物与机制。
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