V2EX heat shock protein

Heat Shock Protein

释义 Definition

热休克蛋白(HSP):一类在细胞遭遇高温、缺氧、毒性物质、炎症等“应激”条件时会大量产生的蛋白质,主要作用是帮助其他蛋白质正确折叠、避免聚集、并参与修复或降解受损蛋白,因此常被称为“分子伴侣(molecular chaperones)”。

发音 Pronunciation

/hit k protin/

例句 Examples

Heat shock proteins help cells survive when temperatures rise.
热休克蛋白帮助细胞在温度升高时存活下来。

Under oxidative stress, the cell increases heat shock protein expression to prevent misfolded proteins from aggregating.
在氧化应激下,细胞会提高热休克蛋白的表达,以防止错误折叠的蛋白质发生聚集。

词源 Etymology

heat shock(热休克)”最初指细胞受到突然高温刺激后的应激反应;研究者在观察到这种刺激会诱导一组特定蛋白大量出现后,将其称为“heat shock proteins”。后来发现这些蛋白不只对高温有反应,也会对多种压力条件上调,但名称沿用至今。

相关词 Related Words

文学与著作中的用例 Literary Works

  • _Molecular Biology of the Cell_(《细胞的分子生物学》):在“分子伴侣/蛋白质折叠与质量控制”相关章节中讨论热休克蛋白家族(如 Hsp70、Hsp90)。
  • _Lehninger Principles of Biochemistry_(《雷宁格生物化学原理》):在蛋白质折叠、变性与细胞应激反应部分提到热休克蛋白的功能。
  • Ritossa 相关经典论文(果蝇热休克反应研究):早期描述热休克刺激引发的基因表达变化,为“热休克蛋白”概念奠基。
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