V2EX lactate dehydrogenase

Lactate Dehydrogenase

Definition 定义

Lactate dehydrogenase(乳酸脱氢酶,常缩写为 LDH)是一种广泛存在于人体和动物组织中的酶,主要催化乳酸(lactate)与丙酮酸(pyruvate)之间的可逆转化,并伴随 NADH / NAD 的相互转换。临床上,血液中的 LDH 升高常被用作组织损伤、缺氧或某些疾病活动度的提示指标(但并不特异,需结合其他检查判断)。

Pronunciation 发音

/lktet dihadrdenes/

Examples 例句

LDH is often measured in a blood test.
LDH 常常在血液检查中被检测。

In suspected tissue damage, clinicians may interpret an elevated lactate dehydrogenase level together with other markers and imaging findings.
在怀疑组织损伤时,临床医生可能会把乳酸脱氢酶升高与其他指标及影像学结果一起综合解读。

Etymology 词源

该术语由三部分构成:lactate(乳酸)源自拉丁语 lac(“乳”),因乳酸最初与乳制品发酵有关;dehydrogenase(脱氢酶)由 *de-*(去除)+ hydrogen(氢)+ -ase(酶的后缀)组成,表示“参与去除氢/转移氢的酶”。合起来指“作用于乳酸相关反应的脱氢酶”。

Related Words 相关词

Literary Works 文学作品

  • 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》)
  • Robbins and Cotran Pathologic Basis of Disease(《罗宾斯与科特兰病理学基础》)
  • Harrison’s Principles of Internal Medicine(《哈里森内科学原理》)
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