Mitochondrial pathobiology in Parkinson's disease and amyotrophic lateral Sclerosis

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20 Scopus citations


Parkinson's disease (PD) and amyotrophic lateral sclerosis (ALS) are the second and third most common human adult-onset neurodegenerative diseases, respectively, after Alzheimer's disease. They are characterized by prominent age-related neurodegeneration in selectively vulnerable neural systems. Some forms of PD and ALS are inherited, and genes causing these diseases have been identified. Morphological, biochemical, and genetic, as well as cell and animal model, studies reveal that mitochondria could have a role in this neurodegeneration. The functions and properties of mitochondria might render subsets of selectively vulnerable neurons intrinsically susceptible to cellular aging and stress and overlying genetic variations. In PD, mutations in putative mitochondrial proteins have been identified and mitochondrial DNA mutations have been found in neurons in the substantia nigra. In ALS, changes occur in mitochondrial respiratory chain enzymes and mitochondrial cell death proteins. Transgenic mouse models of human neurodegenerative disease are beginning to reveal possible principles governing the biology of selective neuronal vulnerability that implicate mitochondria and the mitochondrial permeability transition pore. This review will present how mitochondrial pathobiology might contribute to neurodegeneration in PD and ALS and could serve as a target for drug therapy.

Original languageEnglish (US)
Pages (from-to)S335-S356
JournalJournal of Alzheimer's Disease
Issue numberSUPPL.2
StatePublished - 2010


  • Adenine nucleotide translocator
  • apoptosis
  • cell death
  • cyclophilin D
  • excitotoxicity
  • mitochondrial permeability transition pore
  • motor neuron
  • ppif voltage-dependent anion channel

ASJC Scopus subject areas

  • Neuroscience(all)
  • Clinical Psychology
  • Geriatrics and Gerontology
  • Psychiatry and Mental health


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