V2EX heat-shock

Heat Shock

定义 Definition

heat shock:指生物体(细胞、组织或整个生物)在突然升高的温度等热应激下出现的一系列反应,常见表现包括蛋白质错误折叠增加以及诱导表达热休克蛋白(heat shock proteins, HSPs)来帮助蛋白质稳定与修复。该词也可指实验处理中“热休克法”(如让细菌短暂受热以促进质粒进入细胞)。

发音 Pronunciation (IPA)

/hit k/

例句 Examples

A brief heat shock can activate protective genes.
短暂的热休克可以激活保护性基因。

After the heat shock treatment, the cells increased production of heat shock proteins to prevent damage from misfolded proteins.
热休克处理后,细胞提高了热休克蛋白的产量,以防止错误折叠蛋白造成的损伤。

词源 Etymology

heat(热)+ shock(冲击、骤变)组合而成,字面意思是“热的冲击”。在生物学语境中,它强调的是温度突然升高带来的急性应激效应;该术语在现代分子生物学发展过程中逐渐固定,用来描述由高温触发的细胞保护反应体系。

相关词 Related Words

文学与著作 Literary / Works

  • Molecular Biology of the Cell(Alberts 等):在细胞应激反应章节讨论热休克反应与热休克蛋白。
  • Lehninger Principles of Biochemistry:涉及蛋白质折叠、分子伴侣与热休克相关机制。
  • Campbell Biology:在细胞调控与环境应激部分介绍热休克反应的基本概念。
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