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Updated: Jul 12, 2025

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Clinical Approaches for Mitochondrial Diseases.

Seongho Hong1,2, Sanghun Kim3,4, Kyoungmi Kim5,6

  • 1Korea Mouse Phenotyping Center, Seoul National University, Seoul 08826, Republic of Korea.

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|October 27, 2023
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Summary

Mitochondrial DNA (mtDNA) mutations cause severe genetic diseases. This review explores mtDNA mutation impacts and current therapeutic strategies for these debilitating conditions.

Keywords:
clinical trialsmitochondrial diseasesmitochondrial therapy

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Area of Science:

  • Cell Biology
  • Genetics
  • Biochemistry

Background:

  • Mitochondria are vital for cellular energy production via oxidative phosphorylation (OX PHOS).
  • Mitochondrial DNA (mtDNA) encodes essential OX PHOS proteins, rRNAs, and tRNAs, replicating autonomously with maternal inheritance.
  • Mutations in mtDNA are linked to numerous human diseases.

Purpose of the Study:

  • To review mitochondrial diseases stemming from mtDNA mutations.
  • To detail the mechanisms of current therapeutic interventions and clinical trials for mitochondrial diseases.

Main Methods:

  • Literature review of studies on mtDNA mutations and associated diseases.
  • Analysis of therapeutic approaches including OX PHOS stimulation, mitochondrial replacement, and allotropic expression.

Main Results:

  • mtDNA mutations (insertions, deletions, point mutations) lead to diverse and often severe mitochondrial diseases.
  • Current research focuses on diverse therapeutic strategies to address defective OX PHOS and genetic defects.

Conclusions:

  • Understanding mtDNA mutation pathogenesis is crucial for developing effective treatments.
  • Ongoing clinical trials offer hope for managing debilitating mitochondrial diseases.