V2EX zymogen

Zymogen

定义 Definition

zymogen(酶原/前体酶):指无活性的酶前体,通常在特定条件下(如被切割、pH 改变或与辅因子结合)被激活,转变为具有催化活性的酶。常见于消化系统与凝血等过程。(该词在一些语境中也可泛指“前体形式”。)

发音 Pronunciation

/zamdn/

例句 Examples

The pancreas releases zymogens to prevent self-digestion.
胰腺释放酶原以防止自身被消化。

In the stomach, acidic conditions help convert the zymogen pepsinogen into the active enzyme pepsin.
在胃中,酸性环境有助于将酶原胃蛋白酶原转化为活性酶胃蛋白酶。

词源 Etymology

来自希腊语词根:zymē(ζμη,意为“发酵、酵母”)+ -gen(-γεν/-genēs,表示“生成、产生”)。字面含义可理解为“与发酵/酶作用相关的生成物”,后来在生物化学中专指“酶的前体形式”。

相关词 Related Words

文学与经典著作 Literary Works & Notable Mentions

  • Lehninger Principles of Biochemistry(《莱宁格生物化学原理》)
  • Molecular Biology of the Cell(《细胞的分子生物学》)
  • Guyton and Hall Textbook of Medical Physiology(《盖顿与霍尔医学生理学》)
  • Harper’s Illustrated Biochemistry(《哈珀图解生物化学》)
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