Cited by 96Alzheimer's disease research and treatmentsMitochondrial Function and PathologyDementia and Cognitive Impairment Research

Mitochondrial Aβ A potential cause of metabolic dysfunction in Alzheimer's disease

Chen, Xi, Yan, Shi Du·2006·IUBMB Life

Abstract

Deficits in mitochondrial function are a characteristic finding in Alzheimer's disease (AD), though the mechanism remains to be clarified. Recent studies revealed that amyloid beta peptide (Abeta) gains access into mitochondrial matrix, which was much more pronounced in both AD brain and transgenic mutant APP mice than in normal controls. Abeta progressively accumulates in mitochondria and mediates mitochondrial toxicity. Interaction of mitochondrial Abeta with mitochondrial enzymes such as amyloid beta binding alcohol dehydrogenase (ABAD) exaggerates mitochondrial stress by inhibiting the enzyme activity, releasing reactive oxygen species (ROS), and affecting glycolytic, Krebs cycle and/or the respiratory chain pathways through the accumulation of deleterious intermediate metabolites. The pathways proposed may play a key role in the pathogenesis of this devastating neurodegenerative disorder, Alzheimer's disease.

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Crossref · 10.1080/15216540601047767

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  • While aberrant Aβ42 accumulation begins in endosomes, mitochondrial Aβ may be a critical contributor in the pathological cascade leading to neuronal dysfunction and pathology in AD.

    “Thus, while aberrant Aβ42 accumulation begins in endosomes, mitochondrial Aβ may be a critical contributor in the pathological cascade leading to neuronal dysfunction and pathology in AD [33, 103, 149].”

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Authors
Chen, X., & Yan, S. D.
Affiliations
  • St. Louis VA Medical Center (US)
  • Columbia University (US)
Venue
IUBMB Life
Publisher
Wiley
Published
2006-12
Volume
58
Issue
12
Pages
686-694
ISSN
1521-6543 (ISSN-L)
OpenAlex
W2062519141
Cited by
96
References
0
Citations by year
2026: 1 · 2025: 3 · 2024: 3 · 2023: 4 · 2022: 2 · 2021: 4 · 2020: 2 · 2019: 6 · 2018: 5 · 2017: 6 · 2016: 7 · 2015: 8 · 2014: 4 · 2013: 3 · 2012: 7
FWCI
3.76
Type
journal article
Language
en
Open access
closed
Locations
  • IUBMB Life (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute on Aging (AG 16736, P01AG017490, P01 AG 17490, R01AG016736)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
Keywords
Alzheimer's disease, amyloid-beta, mitochondrial dysfunction, mitochondrial toxicity, reactive oxygen species, glycolysis, TCA cycle, electron transport chain, APP transgenic mice, metabolic dysfunction
MeSH terms
Alzheimer Disease, Electron Transport, Energy Metabolism, Enzymes, Humans, Mitochondria, 3-Hydroxyacyl CoA Dehydrogenases, Amyloid beta-Peptides

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