V2EX cyp3a4

CYP3A4

释义 Definition

CYP3A4 是人体中一种重要的细胞色素P450(CYP)酶(主要在肝脏和小肠表达),负责代谢许多药物与外源性物质。因此它与药物相互作用、药效强弱与不良反应风险密切相关。(在不同语境下也可指编码该酶的基因。)

发音 Pronunciation (IPA)

/si wa pi θri e fr/

例句 Examples

Many drugs are metabolized by CYP3A4.
许多药物会被 CYP3A4 代谢。

Because grapefruit juice can inhibit CYP3A4, it may increase the blood levels of certain medications and raise the risk of side effects.
由于葡萄柚汁可能抑制 CYP3A4,它可能会升高某些药物的血药浓度,并增加副作用风险。

词源 Etymology

CYP 来自 cytochrome P450(细胞色素P450)这一酶家族名称;3 表示家族(family 3),A 表示亚家族(subfamily A),4 表示该亚家族中的具体成员编号(gene/enzyme 4)。整体命名反映了按序列相似性与进化关系的分类方式。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Goodman & Gilman’s The Pharmacological Basis of Therapeutics(《古德曼与吉尔曼:药理学基础》)
  • Rang & Dale’s Pharmacology(《朗与戴尔药理学》)
  • FDA: Guidance for Industry: Drug Interaction Studies Cytochrome P450 Enzyme- and Transporter-Mediated Drug Interactions
  • Clinical Pharmacokinetics(期刊中关于 CYP3A4 介导代谢与相互作用的综述文章常见)
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