V2EX hmg-coa reductase

HMG-CoA Reductase

Definition / 释义

HMG-CoA 还原酶:一种关键酶,参与人体(和许多生物)胆固醇合成途径(甲羟戊酸途径,mevalonate pathway)的限速步骤,催化 HMG-CoA 转化为甲羟戊酸(mevalonate)。它也是他汀类药物(statins)的主要作用靶点,用于降低胆固醇、尤其是 LDL 胆固醇。

Pronunciation / 发音

/et m di koe rdk.tes/

Examples / 例句

HMG-CoA reductase is the target of statin drugs.
HMG-CoA 还原酶是他汀类药物的作用靶点。

Inhibiting HMG-CoA reductase reduces mevalonate production, which can lower cholesterol synthesis and affect downstream lipid-related pathways.
抑制 HMG-CoA 还原酶会减少甲羟戊酸的生成,从而降低胆固醇合成,并影响下游与脂质相关的代谢通路。

Etymology / 词源

HMG-CoA3-hydroxy-3-methylglutarylcoenzyme A(3-羟基-3-甲基戊二酰辅酶A)的缩写;reductase 源自 “reduce(还原)” + -ase(酶)”,表示“催化还原反应的酶”。整体意思就是“催化 HMG-CoA 发生还原反应的酶”。

Related Words / 相关词

Literary Works / 文学与经典著作中的用例

  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》):在脂质代谢与胆固醇生物合成章节讨论 HMG-CoA 还原酶的限速作用。
  • Harper’s Illustrated Biochemistry(《哈珀图解生物化学》):介绍甲羟戊酸途径、胆固醇合成调控及该酶与他汀的关系。
  • Goodman & Gilman’s The Pharmacological Basis of Therapeutics(《古德曼-吉尔曼:治疗学的药理学基础》):在降脂药章节系统讲解他汀抑制 HMG-CoA 还原酶的机制。
  • Harrison’s Principles of Internal Medicine(《哈里森内科学》):在高脂血症与心血管风险管理相关内容中提及该酶作为药物靶点的临床意义。
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