V2EX nod-like receptor

NOD-like Receptor

定义 Definition

NOD样受体(NOD-like receptor, NLR)是一类位于细胞质中的先天免疫模式识别受体,能“感知”细菌成分或细胞内危险信号,从而启动炎症反应与免疫防御;其中部分成员可参与组装炎症小体(inflammasome)。该术语常见于免疫学与分子生物学语境。(注:NLR家族成员很多,如 NOD1、NOD2、NLRP3 等。)

发音 Pronunciation (IPA)

/nd lak rsptr/

词源 Etymology

NOD最初来自代表性成员的名称 nucleotide-binding oligomerization domain(核苷酸结合寡聚化结构域);“**-like”表示“类似……的”;receptor** 源自拉丁语 recipere(“接收”)。合起来指“具有NOD结构特征的一类受体”。

例句 Examples

NOD-like receptors help cells detect invading bacteria.
NOD样受体帮助细胞识别入侵的细菌。

When NOD-like receptors sense danger signals, they can trigger inflammatory pathways and, in some cases, inflammasome activation.
当NOD样受体感知到危险信号时,它们会启动炎症通路,并在某些情况下激活炎症小体。

相关词 Relted Words

文献/作品举例 Literary & Notable Works

  • 《Janeway’s Immunobiology》(免疫学经典教材)中讨论先天免疫受体时会涉及 NOD-like receptors
  • 《Cell》《Nature》《Science》 等期刊的炎症小体与先天免疫研究论文中频繁出现 NOD-like receptor(尤其是与 NLRP3 inflammasome 相关的研究)。
  • 《Nature Reviews Immunology》 的综述文章中常系统梳理 NOD-like receptors 的分类、信号通路与疾病关联。
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