V2EX mitophagy

Mitophagy

定义 Definition

Mitophagy(线粒体自噬)指细胞通过自噬(autophagy)途径选择性地识别、包裹并降解受损或多余的线粒体,以维持细胞能量代谢稳定、减少氧化应激并支持细胞健康。(该词也可在更广义上指任何“针对线粒体的自噬清除过程”。)

发音 Pronunciation (IPA)

/matfdi/

例句 Examples

Mitophagy helps cells remove damaged mitochondria.
线粒体自噬帮助细胞清除受损的线粒体。

When mitophagy is impaired, dysfunctional mitochondria can accumulate, increasing oxidative stress and contributing to neurodegenerative disease.
当线粒体自噬受损时,功能异常的线粒体可能堆积,增加氧化应激,并促进神经退行性疾病的发展。

词源 Etymology

该词由 mito-(来自 mitochondrion,“线粒体”)与 -phagy(源自希腊语 phagein,“吃、吞食”)构成,字面意思接近“吞噬线粒体”,用于描述细胞通过自噬系统“吞入并降解线粒体”的生物学过程。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Narendra et al. “Parkin is recruited selectively to impaired mitochondria and promotes their autophagy.” Journal of Cell Biology (2008)
  • Youle & Narendra. “Mechanisms of mitophagy.” Nature Reviews Molecular Cell Biology (2011)
  • Pickrell & Youle. “The roles of PINK1, Parkin, and mitochondrial fidelity in Parkinson’s disease.” Neuron (2015)
  • Alberts et al. Molecular Biology of the Cell(细胞自噬与线粒体质量控制相关章节常出现该词)
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