V2EX pattern-recognition receptor

Pattern-Recognition Receptor

Definition / 定义

模式识别受体:先天免疫系统中的一类受体(常在免疫细胞表面或细胞内),用于识别病原体常见的“保守分子模式”(如细菌脂多糖、病毒RNA等),从而触发炎症反应与免疫信号通路。常缩写为 PRR。(在不同语境下也可泛指能识别“模式”的受体,但最常见用法在免疫学。)

Pronunciation / 发音

/ptrn rknn rsptr/

Examples / 例句

Pattern-recognition receptors help the body detect microbes quickly.
模式识别受体帮助人体快速识别微生物。

Activation of a pattern-recognition receptor can trigger signaling pathways that increase cytokine production and shape the adaptive immune response.
模式识别受体一旦被激活,就可能启动信号通路,增加细胞因子产生,并影响适应性免疫反应的形成。

Etymology / 词源

该术语由三部分构成:pattern(“模式/规律”)+ recognition(“识别”)+ receptor(“受体”)。在免疫学中,“pattern”指病原体相关分子模式(PAMPs)等可被先天免疫“识别”的共同特征;因此“pattern-recogntion receptor”直译即“识别模式的受体”,强调其在先天免疫中的“快速、非特异但有效”的识别功能。

Related Words / 相关词

Literary Works / 文学作品

  • _Janeway’s Immunobiology_(《简明免疫生物学》):先天免疫章节系统讨论PRR及其信号通路。
  • _Cellular and Molecular Immunology_(Abbas 等,《细胞与分子免疫学》):以PRR为核心框架解释先天免疫如何启动适应性免疫。
  • Medzhitov & Janeway 的经典综述/论文(如讨论先天免疫识别与PRR概念的文章):在学术语境中奠定“PRR”作为关键概念的表达与用法。
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