V2EX mitogen-activated protein kinase

Mitogen-Activated Protein Kinase

Definition / 释义

丝裂原激活蛋白激酶(常缩写 MAPK):一类重要的蛋白激酶,在细胞内信号传导中通过磷酸化级联反应把外界刺激(如生长因子、应激、炎症信号)转化为细胞反应(如增殖、分化、凋亡、应激反应等)。常见分支包括 ERK、JNK、p38 等。

Pronunciation (IPA) / 发音

/matdn ktvetd protin knes/

Examples / 例句

Mitogen-activated protein kinase helps cells respond to growth signals.
丝裂原激活蛋白激酶帮助细胞对生长信号作出反应。

Stress can trigger a mitogen-activated protein kinase pathway that changes gene expression.
压力可触发丝裂原激活蛋白激酶通路,从而改变基因表达。

Etymology / 词源

该术语由四部分构成:mitogen(丝裂原,指能刺激细胞分裂的物质)+ activated(被激活的)+ protein(蛋白)+ kinase(激酶,源自希腊语 kinein“使运动”,引申为“促使发生变化/转化”,在生物化学中指催化磷酸基团转移的酶)。整体字面意思即“被丝裂原激活的蛋白激酶”。

Related Words / 相关词

In Notable Works / 文献与著作中的用例

  • Molecular Biology of the Cell(《细胞的分子生物学》, Alberts 等)
  • The Biology of Cancer(《癌症生物学》, Robert A. Weinberg)
  • Cell Signaling(细胞信号传导相关教材/专著常设“MAPK signaling”章节)
  • “A new group of protein kinases: the mitogen-activated protein kinases.”(早期经典综述/研究论文题目常见类似表述)
  • NatureCellScience 等期刊中大量涉及 “MAPK/ERK signaling” 的研究论文
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