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Therapeutic prospects for mitochondrial disease

Eric A Schon1, Salvatore DiMauro, Michio Hirano

  • 1Department of Neurology, Columbia University Medical Center, New York, NY, USA. eas3@columbia.edu

Trends in Molecular Medicine
|June 18, 2010
PubMed

Insights

Developing therapies for mitochondrial disorders was once unimaginable. New techniques now offer hope for treating these complex genetic diseases by targeting mitochondrial DNA and function.

Area of Science:

  • Biochemistry
  • Genetics
  • Molecular Biology

Background:

  • Mitochondrial disorders, stemming from respiratory chain/oxidative phosphorylation (OxPhos) dysfunction, affect multiple organ systems.
  • Mutations in mitochondrial DNA (mtDNA) or nuclear DNA (nDNA) cause these debilitating conditions.
  • Historically, effective therapies for these disorders were considered unattainable.

Purpose of the Study:

  • To review the evolving landscape of therapeutic strategies for mitochondrial disorders.
  • To highlight emerging techniques that offer potential treatment avenues.
  • To provide an outlook on the future possibility of treating these complex genetic diseases.

Main Methods:

  • Review of current research and emerging therapeutic technologies.
  • Focus on strategies targeting mitochondrial DNA (mtDNA) and nuclear DNA (nDNA) dysfunction.
  • Exploration of novel approaches like heteroplasmy shifting and mtDNA elimination.

Main Results:

  • Significant advancements have been made in understanding and potentially treating mitochondrial disorders.
  • Several promising therapeutic strategies are now conceivable, moving beyond previous limitations.
  • Techniques include upregulating mitochondrial biogenesis and enhancing organellar dynamics.

Conclusions:

  • While clinically applicable therapies are still developing, the outlook for treating mitochondrial disorders has dramatically improved.
  • Emerging techniques such as heteroplasmy shifting and mtDNA elimination via cytoplasmic transfer offer new hope.
  • The possibility of treating a range of mitochondrial diseases is now on the horizon.

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