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Is Mitochondria DNA Variation a Biomarker for AD?

期刊

GENES
卷 13, 期 10, 页码 -

出版社

MDPI
DOI: 10.3390/genes13101789

关键词

Alzheimer's disease; mitochondria DNA; biomarker

资金

  1. CUHK Direct Grant [2020.086]

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Alzheimer's Disease (AD) is the most prevalent form of dementia characterized by progressive memory loss and cognitive decline. Recent studies suggest that mitochondrial dysfunction may be related to AD pathogenesis, and changes in mtDNA could potentially serve as a biomarker for early diagnosis.
Alzheimer's Disease (AD) is the most prevalent form of dementia and is characterized by progressive memory loss and cognitive decline. The underlying mechanism of AD has not been fully understood. At present there is no method to detect AD at its early stage. Recent studies indicate that mitochondria dysfunction is related to AD pathogenesis. Altered mitochondria functions are found in AD and influence both amyloid-beta (A beta) and tau pathology. Variations in mitochondria DNA (mtDNA) lead to a change in energy metabolism in the brain and contribute to AD. MtDNA can reflect the status of mitochondria and therefore play an essential role in AD. In this review, we summarize the changes in mtDNA and mtDNA mutations in AD patients and discuss the possibility of mtDNA being a biomarker for the early diagnosis of AD.

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