V2EX caspase-1

Caspase-1

定义 Definition

Caspase-1(半胱天冬酶-1)是一种参与炎症反应的蛋白酶,能切割并激活炎症性细胞因子(如 IL-1βIL-18),并可促发一种炎症相关的细胞死亡形式(常与焦亡相关)。该词在免疫学与细胞生物学语境中最常见。

发音 Pronunciation (IPA)

/kspes wn/

例句 Examples

Caspase-1 helps the body respond to infection.
Caspase-1 有助于机体对感染作出反应。

Activation of caspase-1 by the inflammasome promotes the maturation of IL-1β and can trigger inflammatory cell death in certain immune cells.
炎症小体激活 caspase-1 会促进 IL-1β 成熟,并可能在某些免疫细胞中引发炎症性细胞死亡。

词源 Etymology

Caspase 来自 “cysteine” (半胱氨酸)与 “aspase”(指偏好切割天冬氨酸位点的蛋白酶,源于 aspartic acid 天冬氨酸)的组合,强调它是一类“以半胱氨酸为催化位点、在天冬氨酸位点切割底物”的酶;“-1”表示该家族中的特定编号成员。

相关词 Related Words

文学与著作中的用例 Literary / Notable Works

  • Janeway’s Immunobiology(《简明免疫生物学》)中关于炎症小体与 IL-1β 处理的章节常提到 caspase-1
  • Molecular Biology of the Cell(《细胞的分子生物学》)在细胞死亡与炎症信号相关内容中会涉及 caspase-1
  • Martinon, F., Burns, K., & Tschopp, J. (2002). “The inflammasome: a molecular platform triggering activation of inflammatory caspases and processing of proIL-β.” Molecular Cell(经典论文,讨论与 caspase-1 相关的炎症小体概念)。
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