BNIP3/NIX-dependent mitophagy: molecular mechanisms and physiological roles

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ID: 319369
2026
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Abstract
Mitochondria are essential for cellular metabolism and homeostasis, and their quality and quantity must therefore be tightly controlled. Mitophagy, a selective form of autophagy targeting mitochondria, contributes to this control by eliminating damaged or superfluous mitochondria. Among the known mitophagy pathways, BNIP3/NIX-dependent mitophagy has emerged as a key mechanism, particularly under hypoxic and metabolic stress. Recent studies have provided important insights into how BNIP3 and NIX are transcriptionally induced, post-translationally regulated, and functionally coupled to the core autophagy machinery. These studies have also clarified their roles in isolation membrane tethering, membrane elongation, and mitophagosome formation. Beyond its molecular basis, accumulating evidence indicates that BNIP3/NIX-dependent mitophagy contributes to mitochondrial homeostasis, redox balance, and cellular stress adaptation. This review summarizes recent progress in understanding the molecular mechanisms and physiological significance of BNIP3/NIX-dependent mitophagy.
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openalex_W7166688323 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Tamara Ginevskaia, Takayuki Mito, Keiichi Inoue, Tomotake Kanki
Journal The Journal of Biochemistry
Year 2026
DOI
10.1093/jb/mvag048
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Keywords Keywords not found

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