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Related Experiment Video

Updated: Jun 18, 2025

Analysis of Brain Mitochondria Using Serial Block-Face Scanning Electron Microscopy
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Mitochondrial dynamics and psychiatric disorders: The missing link.

Maria P Papageorgiou1, Michaela D Filiou2

  • 1Laboratory of Biochemistry, Department of Biological Applications and Technology, University of Ioannina, Greece; Biomedical Research Institute, Foundation for Research and Technology-Hellas, Ioannina, Greece.

Neuroscience and Biobehavioral Reviews
|August 1, 2024
PubMed
Summary
This summary is machine-generated.

Mitochondrial dynamics, including fission, fusion, biogenesis, and mitophagy, are increasingly linked to psychiatric disorders. This review highlights mitophagy in anxiety and biogenesis in depression, with Opa1 as a key psychopathology mediator.

Keywords:
AnxietyMitochondriaMitochondrial dynamicsMitochondrial qualityMitophagyOPA1Psychiatric disorders

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Area of Science:

  • Neuroscience
  • Molecular Biology
  • Psychiatry

Background:

  • Mitochondrial bioenergetics are implicated in psychiatric disorders.
  • The role of mitochondrial dynamics (fission, fusion, biogenesis, mitophagy) in psychopathology is not well understood.

Purpose of the Study:

  • To review existing literature on mitochondrial dynamics alterations in psychiatric disorders.
  • To identify common patterns in mitochondrial dynamics across different psychopathologies.

Main Methods:

  • Systematic review of preclinical and clinical literature.
  • Analysis of studies on anxiety, depression, PTSD, bipolar disorder, and schizophrenia.
  • Examination of mitochondrial network, morphology, molecular markers, and mtDNA copy number.

Main Results:

  • Mitophagy is highlighted as a regulator of anxiety pathophysiology.
  • Biogenesis is identified as a regulator of depression pathophysiology.
  • The fusion mediator Opa1 is implicated as a molecular hub in psychopathology.

Conclusions:

  • Mitochondrial dynamics play a significant role in the pathophysiology of psychiatric disorders.
  • Targeting mitophagy, biogenesis, and Opa1 may offer novel therapeutic strategies for neuropsychiatric conditions.