V2EX upregulation

Upregulation

定义 Definition

(生物学/医学)上调:指细胞或生物体把某个基因、蛋白质、受体或信号通路的表达量/活性提高的过程或结果。常见于对刺激(如激素、炎症、压力、药物)的反应。(也可泛指“把某事提高/加强”,但最常用在生命科学语境。)

发音 Pronunciation

/prjlen/

例句 Examples

Upregulation of this gene helps cells survive stress.
这个基因的上调有助于细胞在压力下存活。

After infection, the immune system triggers upregulation of cytokines, which can amplify inflammation if not controlled.
感染后,免疫系统会促使细胞因子上调;如果缺乏控制,这可能会放大炎症反应。

词源 Etymology

up-(向上、增加)+ regulation(调节)构成;regulation 源自拉丁语 regula(规则、尺度)。合起来强调“把调节水平往上推”,在现代生物医学中固定用来表示“表达/活性增加”。

相关词 Related Words

文献与作品 Notable Works

  • Molecular Biology of the Cell(Alberts 等):在基因表达调控与信号转导章节中常用该词讨论“表达上调”。
  • Lehninger Principles of Biochemistry(Nelson & Cox):在代谢调控与酶表达变化语境中出现。
  • Janeway’s Immunobiology:在免疫应答、细胞因子与受体表达变化(上调/下调)的叙述中频繁出现。
  • Nature / Science / Cell 等期刊论文:常用于描述特定基因或通路在实验条件下“上调”的结果。
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