Cited by 275Mitochondrial Function and PathologyAlzheimer's disease research and treatmentsCoenzyme Q10 studies and effects

The DOI matches its Crossref record; 18 of the 18 references it cites were found in a registry or an index.

Cybrids in Alzheimer's disease: A cellular model of the disease?

Abstract

The mitochondrial electron transport chain enzyme cytochrome c oxidase (COX) is defective in patients with sporadic Alzheimer's disease (AD). This defect arises from the mutation of mitochondrial DNA (mtDNA). To develop a tissue culture system that would express this genetically derived bioenergetic lesion and permit characterization of its functional consequences, we depleted Ntera2/D1 (NT2) teratocarcinoma cells of endogenous mtDNA and repopulated them with platelet mtDNA from AD patients. Cytochrome c oxidase activity was depressed in the resulting AD cytoplasmic hybrids (cybrids) compared with cybrids prepared with mtDNA from non-AD controls. Reactive oxygen species (ROS) production and free radical scavenging enzyme activities were significantly elevated in AD cybrids. A COX defect in NT2 AD cybrid lines indicates that AD patients possess mtDNA COX gene mutations that are sufficient for determining this biochemical lesion. Expression of unique functional characteristics (increased ROS production and free radical scavenging enzyme activities) relevant to neurodegeneration demonstrates the utility of these cells in defining AD pathophysiology at a cellular level. This in vitro tissue culture model of AD may prove useful in drug screening.

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Crossref · 10.1212/wnl.49.4.918

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Citations

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Show all 18 references

Research works printed but not linked: 22

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Metadata

Authors
Swerdlow, R. H., Parks, J. K., Cassarino, D. S., Maguire, D. J., Maguire, R. S., Bennett, J. P., Davis, R. E., & Parker, W. D.
Affiliations
Griffith University (AU)
Venue
Neurology
Published
1997-10
Volume
49
Issue
4
Pages
918-925
ISSN
  • 0028-3878 (ISSN-L)
  • 1526-632X
OpenAlex
W4320578147
Cited by
272
References
18
Citations by year
2026: 2 · 2025: 5 · 2024: 4 · 2023: 11 · 2022: 8 · 2021: 7 · 2020: 7 · 2019: 9 · 2018: 4 · 2017: 5 · 2016: 6 · 2015: 4 · 2014: 4 · 2013: 12 · 2012: 11
FWCI
4.71
Type
journal article
Language
en
Open access
closed
Locations
  • Neurology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (5t32ns007199-15)
  • National Institute of Neurological Disorders and Stroke (NS-07199, NS34325)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Alzheimer's disease research and treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Coenzyme Q10 studies and effects
Keywords
Alzheimer's disease, cybrids, cytochrome c oxidase, mitochondrial DNA mutations, mitochondrial electron transport chain, reactive oxygen species, free radical scavenging enzymes, neurodegeneration, drug screening
MeSH terms
Alzheimer Disease, Brain, Electron Transport Complex IV, Cytoplasm, DNA, Mitochondrial, Genetic Techniques, Humans, Hybridization, Genetic, Mutation, Reference Values, Tumor Cells, Cultured, Reactive Oxygen Species, Gene Transfer Techniques, Teratocarcinoma

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