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[Mitochondrial changes in neurodegenerative diseases]

F J Jiménez-Jiménez1, M Ortí-Pareja, J A Molina-Arjona

  • 1Sección de Neurología, Hospital Príncipe de Asturias, Universidad de Alcalá de Henares, España.

Revista De Neurologia
|November 12, 1998
PubMed
Summary

Mitochondrial dysfunction may drive neurodegenerative diseases by increasing oxidative stress from free radicals. This review covers current knowledge on mitochondrial alterations in Parkinson's, Alzheimer's, and Huntington's diseases.

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Area of Science:

  • Biochemistry
  • Neuroscience
  • Cell Biology

Context:

  • Oxidative stress, mediated by free radicals, is implicated in neurodegenerative diseases.
  • Mitochondria play a crucial role in cellular defense against oxidative reactions.
  • Mitochondrial dysfunction is increasingly recognized as a potential contributor to neurodegeneration.

Purpose:

  • To review current scientific understanding of the role of mitochondrial dysfunction in neurodegenerative diseases.
  • To explore the link between free radical-mediated oxidative reactions and neurodegeneration.
  • To summarize findings on alterations in the mitochondrial respiratory chain and genome in diseases like Parkinson's, Alzheimer's, and Huntington's.

Summary:

  • Neurodegenerative diseases may involve oxidative damage due to free radicals.

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  • Dysfunction of the mitochondrial respiratory chain can lead to oxidative stress.
  • Alterations in mitochondrial components are observed in Parkinson's, Alzheimer's, and Huntington's diseases.

    • Impact:

    • Highlights the critical role of mitochondria in maintaining neuronal health.
    • Provides a foundation for understanding the molecular mechanisms underlying neurodegeneration.
    • Suggests potential therapeutic targets related to mitochondrial function and oxidative stress reduction.