V2EX dihydrofolate

Dihydrofolate

释义 Definition

二氢叶酸:叶酸(folate)在体内代谢过程中的一种还原形式,常作为中间体参与一碳单位转移相关反应;它可在二氢叶酸还原酶(DHFR)作用下转化为四氢叶酸(tetrahydrofolate, THF)。在生化与药理学中常被提及(如甲氨蝶呤等药物会影响相关通路)。

发音 Pronunciation (IPA)

/dahadrofolet/

例句 Examples

Dihydrofolate is converted into tetrahydrofolate by DHFR.
二氢叶酸在二氢叶酸还原酶(DHFR)的作用下转化为四氢叶酸。

Inhibition of dihydrofolate reductase can cause dihydrofolate to accumulate and disrupt DNA synthesis.
抑制二氢叶酸还原酶会导致二氢叶酸积累,并干扰 DNA 合成。

词源 Etymology

由 **di-**(“二、双”)+ hydro-(“氢/水,常指还原加氢”)+ folate(“叶酸”)构成,字面含义接近“被加氢还原后的叶酸(到二氢水平)”。该命名反映其化学结构相较叶酸的还原程度。

相关词 Related Words

文献与著作 Notable Works

  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》)
  • Harper’s Illustrated Biochemistry(《哈珀图解生物化学》)
  • Biochemistry by Berg, Tymoczko & Stryer(《斯特赖尔生物化学》)
  • Goodman & Gilman’s The Pharmacological Basis of Therapeutics(《古德曼与吉尔曼:治疗学的药理学基础》)
  • 经典与综述性论文中关于 DHFR 与叶酸代谢通路的研究(常出现 “dihydrofolate” 术语)
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