Lookup NU author(s): Dr Claire Troakes,
Professor Raj Kalaria
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© 2018 Elsevier Inc. Recent epigenome-wide association studies in Alzheimer's disease have highlighted consistent robust neuropathology-associated DNA hypermethylation of the ankyrin 1 (ANK1) gene in the cortex. The extent to which altered ANK1 DNA methylation is also associated with other neurodegenerative diseases is not currently known. In the present study, we used bisulfite pyrosequencing to quantify DNA methylation across 8 CpG sites within a 118 bp region of the ANK1 gene across multiple brain regions in Alzheimer's disease, Vascular dementia, Dementia with Lewy bodies, Huntington's disease, and Parkinson's disease. We demonstrate disease-associated ANK1 hypermethylation in the entorhinal cortex in Alzheimer's disease, Huntington's disease, and Parkinson's disease, whereas in donors with Vascular dementia and Dementia with Lewy bodies, we observed elevated ANK1 DNA methylation only in individuals with coexisting Alzheimer's disease pathology. We did not observe any disease-associated differential ANK1 DNA methylation in the striatum in Huntington's disease or the substantia nigra in Parkinson's disease. Our data suggest that ANK1 is characterized by region and disease-specific differential DNA methylation in multiple neurodegenerative diseases.
Author(s): Smith AR, Smith RG, Burrage J, Troakes C, Al-Sarraj S, Kalaria RN, Sloan C, Robinson AC, Mill J, Lunnon K
Publication type: Article
Publication status: Published
Journal: Neurobiology of Aging
Print publication date: 01/02/2019
Online publication date: 13/10/2018
Acceptance date: 18/09/2018
ISSN (print): 0197-4580
ISSN (electronic): 1558-1497
Publisher: Elsevier Inc.
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