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Start Over Author "Brodeur, Wendy" Topic dna methylation
2 results on '"Brodeur, Wendy"'

1. Alzheimer's disease: early alterations in brain DNA methylation at ANK1, BIN1, RHBDF2 and other loci.

Author

De Jager PL, Srivastava G, Lunnon K, Burgess J, Schalkwyk LC, Yu L, Eaton ML, Keenan BT, Ernst J, McCabe C, Tang A, Raj T, Replogle J, Brodeur W, Gabriel S, Chai HS, Younkin C, Younkin SG, Zou F, Szyf M, Epstein CB, Schneider JA, Bernstein BE, Meissner A, Ertekin-Taner N, Chibnik LB, Kellis M, Mill J, and Bennett DA

Subjects
Aged, Aged, 80 and over, Alzheimer Disease epidemiology, Amyloidosis epidemiology, Amyloidosis genetics, Amyloidosis pathology, Brain pathology, Brain physiology, CpG Islands genetics, Female, Genetic Predisposition to Disease epidemiology, Genetic Predisposition to Disease genetics, Genome-Wide Association Study, Humans, Intracellular Signaling Peptides and Proteins, Male, Middle Aged, Protein Interaction Maps, Adaptor Proteins, Signal Transducing genetics, Alzheimer Disease genetics, Alzheimer Disease pathology, Ankyrins genetics, Carrier Proteins genetics, DNA Methylation genetics, Nuclear Proteins genetics, Tumor Suppressor Proteins genetics
Abstract

We used a collection of 708 prospectively collected autopsied brains to assess the methylation state of the brain's DNA in relation to Alzheimer's disease (AD). We found that the level of methylation at 71 of the 415,848 interrogated CpGs was significantly associated with the burden of AD pathology, including CpGs in the ABCA7 and BIN1 regions, which harbor known AD susceptibility variants. We validated 11 of the differentially methylated regions in an independent set of 117 subjects. Furthermore, we functionally validated these CpG associations and identified the nearby genes whose RNA expression was altered in AD: ANK1, CDH23, DIP2A, RHBDF2, RPL13, SERPINF1 and SERPINF2. Our analyses suggest that these DNA methylation changes may have a role in the onset of AD given that we observed them in presymptomatic subjects and that six of the validated genes connect to a known AD susceptibility gene network.

Published
2014
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2. Alzheimer's disease: early alterations in brain DNA methylation at ANK1, BIN1, RHBDF2 and other loci

Author

Srivastava, Gyan, Lunnon, Katie, Burgess, Jeremy, Yu, Lei, Ernst, Jason, McCabe, Cristin, Tang, Anna, Raj, Towfique, Replogle, Joseph, Brodeur, Wendy, Gabriel, Stacey, Younkin, Curtis, Zou, Fanggeng, Szyf, Moshe, Meissner, Alexander, Ertekin-Taner, Nilufer, Kellis, Manolis, Mill, Jonathan, De Jager, Philip L., Schalkwyk, Leonard C., Eaton, Matthew Lucas, Eaton, Matthew L., Keenan, Brendan T., Chai, High S., Younkin, Steven G., Epstein, Charles B., Schneider, Julie A., Bernstein, Bradley E., Chibnik, Lori B., Bennett, David A., Massachusetts Institute of Technology. Computer Science and Artificial Intelligence Laboratory, Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science, Eaton, Matthew Lucas, Ernst, Jason, Meissner, Alexander, and Kellis, Manolis

Subjects
Male, Aging, Genome-wide association study, Neurodegenerative, Alzheimer's Disease, 80 and over, 2.1 Biological and endogenous factors, Psychology, Protein Interaction Maps, Aetiology, Epigenomics, Genetics, Aged, 80 and over, General Neuroscience, Intracellular Signaling Peptides and Proteins, Brain, Adaptor Proteins, Nuclear Proteins, Methylation, Amyloidosis, Middle Aged, 3. Good health, CpG site, Neurological, DNA methylation, Female, Cognitive Sciences, Alzheimer's disease, Ankyrins, and over, Biology, Article, Alzheimer Disease, Acquired Cognitive Impairment, medicine, Humans, Genetic Predisposition to Disease, Gene, Adaptor Proteins, Signal Transducing, Aged, Neurology & Neurosurgery, Tumor Suppressor Proteins, Human Genome, Signal Transducing, Neurosciences, Alzheimer's Disease including Alzheimer's Disease Related Dementias (AD/ADRD), DNA Methylation, medicine.disease, Brain Disorders, Differentially methylated regions, Dementia, CpG Islands, Carrier Proteins, Genome-Wide Association Study
Abstract

We used a collection of 708 prospectively collected autopsied brains to assess the methylation state of the brain's DNA in relation to Alzheimer's disease (AD). We found that the level of methylation at 71 of the 415,848 interrogated CpGs was significantly associated with the burden of AD pathology, including CpGs in the ABCA7 and BIN1 regions, which harbor known AD susceptibility variants. We validated 11 of the differentially methylated regions in an independent set of 117 subjects. Furthermore, we functionally validated these CpG associations and identified the nearby genes whose RNA expression was altered in AD: ANK1, CDH23, DIP2A, RHBDF2, RPL13, SERPINF1 and SERPINF2. Our analyses suggest that these DNA methylation changes may have a role in the onset of AD given that we observed them in presymptomatic subjects and that six of the validated genes connect to a known AD susceptibility gene network., National Institutes of Health (U.S.) (Grant R01 AG036042), National Institutes of Health (U.S.) (Grant R01AG036836), National Institutes of Health (U.S.) (Grant R01 AG17917), National Institutes of Health (U.S.) (Grant R01AG15819), National Institutes of Health (U.S.) (Grant R01 AG032990), National Institutes of Health (U.S.) (Grant R01 AG18023), National Institutes of Health (U.S.) (Grant RC2 AG036547), National Institutes of Health (U.S.) (Grant P30 AG10161), National Institutes of Health (U.S.) (Grant P50 AG016574), National Institutes of Health (U.S.) (Grant U01 ES017155), National Institutes of Health (U.S.) (Grant KL2 RR024151), National Institutes of Health (U.S.) (Grant K25 AG041906-01)

Published
2014

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