Cited by 381Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchEpigenetics and DNA Methylation

An integrated multi-omics approach identifies epigenetic alterations associated with Alzheimer’s disease

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Nativio, Raffaella, Lan, Yemin, Donahue, Greg, Sidoli, Simone, Berson, Amit, Srinivasan, Ananth R., Shcherbakova, Oksana, Amlie-Wolf, Alexandre +8 more·2020·Nature Genetics

Abstract

Protein aggregation is the hallmark of neurodegeneration, but the molecular mechanisms underlying late-onset Alzheimer's disease (AD) are unclear. Here we integrated transcriptomic, proteomic and epigenomic analyses of postmortem human brains to identify molecular pathways involved in AD. RNA sequencing analysis revealed upregulation of transcription- and chromatin-related genes, including the histone acetyltransferases for H3K27ac and H3K9ac. An unbiased proteomic screening singled out H3K27ac and H3K9ac as the main enrichments specific to AD. In turn, epigenomic profiling revealed gains in the histone H3 modifications H3K27ac and H3K9ac linked to transcription, chromatin and disease pathways in AD. Increasing genome-wide H3K27ac and H3K9ac in a fly model of AD exacerbated amyloid-β42-driven neurodegeneration. Together, these findings suggest that AD involves a reconfiguration of the epigenome, wherein H3K27ac and H3K9ac affect disease pathways by dysregulating transcription- and chromatin-gene feedback loops. The identification of this process highlights potential epigenetic strategies for early-stage disease treatment.

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  • Combined analyses of ChIP-seq and RNA-seq data have linked histone acetylation marks, including H3K27ac and H3K9ac, to transcriptional dysregulation affecting synaptic and chromatin-related genes.

    “Combined analyses of ChIP-seq and RNA-seq data have linked histone acetylation marks, including H3K27ac and H3K9ac, to transcriptional dysregulation affecting synaptic and chromatin-related genes104.”
  • The 832 LOAD spheroid DEGs overlap with bulk RNA-seq datasets from various brain regions in individuals with AD, GO terms related to apoptosis/neurodegeneration, and AD risk genes from Alzgene database, with overlaps ranging from 8 to 135 genes.

    “We further compared 832 DEGs with bulk RNA-seq datasets from various brain regions in individuals with AD (80–84), gene members in GO terms related to apoptosis/neurodegeneration, and AD risk genes from Alzgene database, revealing distinct sets of DEGs with overlaps ranging from 8 to 135 genes (Table S7, page 2, 3 and 4).”

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  1. [25]Nagy Z, Esiri MM & Smith AD The cell division cycle and the pathophysiology of Alzheimer’s disease. Neuroscience 87, 731– 9 (1998). 9759963
  2. [66]De Ferrari GV Wnt/beta-catenin signaling in Alzheimer’s disease. CNS Neurol Disord Drug Targets 13, 745– 54 (2014). 24365184

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Authors
Nativio, R., Lan, Y., Donahue, G., Sidoli, S., Berson, A., Srinivasan, A. R., Shcherbakova, O., Amlie-Wolf, A., Nie, J., Cui, X., He, C., Wang, L.-S., Garcia, B. A., Trojanowski, J. Q., Bonini, N. M., & Berger, S. L.
Affiliations
  • University of Pennsylvania (US)
  • Albert Einstein College of Medicine (US)
  • Howard Hughes Medical Institute (US)
Corresponding author
  • Bonini, Nancy M.
  • Berger, Shelley L.
Venue
Nature Genetics
Published
2020-09-28
Volume
52
Issue
10
Pages
1024-1035
ISSN
  • 1061-4036 (ISSN-L)
  • 1546-1718
OpenAlex
W3089451699
Cited by
380
References
116
Citations by year
2026: 61 · 2025: 79 · 2024: 70 · 2023: 60 · 2022: 58 · 2021: 47 · 2020: 5
FWCI
25.57
Type
journal article
Language
en
Open access
Locations
  • Nature Genetics (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • Spiral (Imperial College London) (submittedVersion)
Funders
  • Howard Hughes Medical Institute
  • National Institute on Aging (P01AG031862, P30AG010124, U54AG052427, U24AG041689, T32AG000255)
  • National Human Genome Research Institute (R01HG006827)
  • National Cancer Institute (P01CA196539)
  • National Institute of Allergy and Infectious Diseases (R01AI118891)
  • National Institute of Neurological Disorders and Stroke (R35NS097275, R01NS111997)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
Keywords
Alzheimer's disease, epigenetic modifications, histone acetyltransferase, chromatin regulation, transcriptional dysregulation, amyloid-beta 42, neurodegeneration, Drosophila model, multi-omics integration, postmortem brain
MeSH terms
Epigenome, Acetylation, Alzheimer Disease, Chromatin, Histones, Humans, Peptide Fragments, Signal Transduction, Transcriptional Activation, Amyloid beta-Peptides, Proteome, Histone Code, Histone Acetyltransferases, Transcriptome, Protein Aggregation, Pathological

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