Cited by 240Genetic Neurodegenerative DiseasesNeurological diseases and metabolismAmyotrophic Lateral Sclerosis Research

The Energetics of Huntington's Disease

Browne, Susan E., Beal, M. Flint·2004·Neurochemical Research

Abstract

Huntington's disease (HD) is a hereditary neurodegenerative disorder that gradually robs sufferers of the ability to control movements and induces psychological and cognitive impairments. This devastating, lethal disease is one of several neurological disorders caused by trinucleotide expansions in affected genes, including spinocerebellar ataxias, dentatorubral-pallidoluysian atrophy, and spinal bulbar muscular atrophy. HD symptoms are associated with region-specific neuronal loss within the central nervous system, but to date the mechanism of this selective cell death remains unknown. Strong evidence from studies in humans and animal models suggests the involvement of energy metabolism defects, which may contribute to excitotoxic processes, oxidative dmage, and altered gene regulation. The development of transgenic mouse models expressing the human HD mutation has provided novel opportunities to explore events underlying selective neuronal death in HD, which has hitherto been impossible in humans. Here we discuss how animal models are redefining the role of energy metabolism in HD etiology.

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Crossref · 10.1023/b:nere.0000014824.04728.dd

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  • Biochemical studies revealed reduced activity of several key components of oxidative phosphorylation and the TCA cycle, including complexes II-III and aconitase, in advanced stage HD patients, while complex-I activity was unaltered.

    “Biochemical studies revealed reduced activity of several key components of oxidative phosphorylation and the TCA cycle, including complexes II-III and aconitase, in advanced stage HD patients, while complex-I activity was unaltered40-43.”

    From Mitochondrial Approaches for Neuroprotection (2008) · cites this paper as [40]

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Authors
Browne, S. E., & Beal, M. F.
Affiliations
Cornell University (US)
Corresponding author
Browne, Susan E.
Venue
Neurochemical Research
Published
2004-03
Volume
29
Issue
3
Pages
531-546
ISSN
  • 0364-3190 (ISSN-L)
  • 1573-6903
OpenAlex
W2074304614
Cited by
240
References
144
Citations by year
2026: 2 · 2025: 4 · 2024: 6 · 2023: 6 · 2022: 2 · 2021: 7 · 2020: 6 · 2019: 13 · 2018: 9 · 2017: 10 · 2016: 6 · 2015: 7 · 2014: 10 · 2013: 9 · 2012: 15
FWCI
6.56
Type
journal article
Language
en
Open access
closed
Locations
  • Neurochemical Research (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Genetic Neurodegenerative Diseases
  • Life Sciences › Neuroscience › Neurology › Neurological diseases and metabolism
  • Health Sciences › Medicine › Neurology › Amyotrophic Lateral Sclerosis Research
Keywords
Huntington's disease, energy metabolism, trinucleotide repeat expansion, selective neuronal death, excitotoxicity, oxidative damage, transgenic mouse model, neurodegeneration, spinocerebellar ataxia, dentatorubral-pallidoluysian atrophy, spinal and bulbar muscular atrophy
MeSH terms
Animals, Brain, Disease Models, Animal, Energy Metabolism, Glucose, Humans, Huntington Disease, Mitochondria, Models, Biological, Genetic Diseases, Inborn

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