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Mitochondrial DNA in Alzheimer's Disease: Examination using In Situ Hybridization / Mitochondrial DNA in Alzheimer's Disease

Mitochondria are intracellular organelles responsible for oxidative phosphorylation. They contain their own DNA which encodes some components involved in oxidative phosphorylation. Mitochondrial DNA is very susceptible to mutations. Mitochondrial abnormalities have been observed in several disorders of muscle and brain. Alzheimer's disease is a form of dementia characterized by the formation of numerous neuritic plaques and neurofibrillary tangles. There is evidence suggesting a possible role for mitochondrial abnormalities in Alzheimer's disease. The goal of this project was to determine if there were quantitative changes in mitochondrial DNA content in large neurons from Alzheimer's disease patients, compared to age-matched control patients. The relative mitochondrial DNA content per unit area was assessed in brain sections from Alzheimer's disease subjects and age-matched control subjects using in situ hybridization to mitochondrial DNA. The results were not conclusive due to technical concerns with the in situ hybridization technique which are discussed. / Thesis / Master of Science (MS)

Identiferoai:union.ndltd.org:mcmaster.ca/oai:macsphere.mcmaster.ca:11375/24260
Date03 1900
CreatorsMcKay, Margaret
ContributorsSingh, Gurmit, Biochemistry
Source SetsMcMaster University
LanguageEnglish
Detected LanguageEnglish
TypeThesis

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