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Related Experiment Video

Updated: Mar 2, 2026

Sample Preparation for Mass Cytometry Analysis
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Published on: April 29, 2017

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Short Overview.

Norihiko Furuya1

  • 1Department of Neurology, Juntendo University School of Medicine, Hongo, Bunkyo, Tokyo, Japan. nohuruya@juntendo.ac.jp.

Methods in Molecular Biology (Clifton, N.J.)
|May 13, 2017
PubMed
Summary
This summary is machine-generated.

Mitochondrial autophagy (mitophagy) removes damaged mitochondria using specialized proteins. These adaptors link damaged, ubiquitylated mitochondria to the autophagy machinery for degradation, ensuring cellular health.

Keywords:
Atg8 interacting motif (AIM)/LC3 interacting region (LIR)Autophagy adaptorMitophagy

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Area of Science:

  • Cell Biology
  • Molecular Biology
  • Biochemistry

Background:

  • Mitochondrial quality control is crucial for cellular function.
  • Damaged mitochondria can trigger cellular dysfunction and disease.
  • Autophagy is a key cellular degradation process.

Purpose of the Study:

  • To summarize the mechanisms of mitophagy.
  • To highlight the roles of adaptor proteins in mitophagy.
  • To explain how damaged mitochondria are selectively removed.

Main Methods:

  • Literature review of mitophagy mechanisms.
  • Analysis of adaptor/receptor protein structures and functions.
  • Discussion of protein interactions in mitophagy pathways.

Main Results:

  • Mitophagy selectively removes damaged mitochondria via autophagic degradation.
  • Adaptor proteins with ubiquitin-binding domains and Atg8-interacting motifs (AIM/LIR) mediate mitophagy.
  • Outer mitochondrial membrane proteins with AIM/LIR motifs also act as mitophagy adaptors.

Conclusions:

  • Mitophagy is a vital quality control process.
  • Adaptor proteins are essential for targeting damaged mitochondria for removal.
  • Understanding mitophagy mechanisms is key to addressing mitochondrial dysfunction.