V2EX creatine kinase

Creatine Kinase

Definition / 定义

肌酸激酶(常缩写为 CK):一种存在于骨骼肌、心肌和脑等组织中的酶,参与能量代谢(与ATP相关)。临床上常用其血液水平来评估肌肉损伤(如剧烈运动、横纹肌溶解)或心肌损伤等情况。(该词在不同语境下也可指其不同同工酶,如CK-MB等。)

Pronunciation / 发音

/kri..tin ka.nes/

Examples / 例句

After the marathon, his creatine kinase levels were high.
马拉松后,他的肌酸激酶水平很高。

The doctor ordered a creatine kinase test to check for muscle damage and rule out serious complications.
医生开了肌酸激酶检查,用来评估是否存在肌肉损伤,并排除严重并发症。

Etymology / 词源

Creatine 来自与“肉(flesh)”相关的希腊语词根,因肌酸最早与肌肉组织的研究密切相关;kinase 来自表示“移动/转移”的词源,用于命名能把磷酸基“转移”到其他分子上的酶类。合起来,creatine kinase 指“与肌酸/磷酸肌酸体系相关、负责磷酸转移的酶”。

Related Words / 相关词

Literary Works / 文学作品

  • Harrison’s Principles of Internal Medicine(《哈里森内科学》)中在肌肉疾病、心肌损伤与实验室检查章节常提及 creatine kinase/CK。
  • Robbins and Cotran Pathologic Basis of Disease(《罗宾斯与科特兰病理学基础》)在细胞损伤、心肌梗死与实验室指标相关内容中出现该术语。
  • Guyton and Hall Textbook of Medical Physiology(《盖伊顿与霍尔医学/生理学》)在肌肉能量代谢、磷酸肌酸体系等部分使用该词。
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