Cited by 214Alzheimer's disease research and treatmentsGenetic Associations and EpidemiologyDementia and Cognitive Impairment Research

Integration of Alzheimer’s disease genetics and myeloid genomics identifies disease risk regulatory elements and genes

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Novikova, Gloriia, Kapoor, Manav, TCW, Julia, Abud, Edsel M., Efthymiou, Anastasia G., Chen, Steven X., Cheng, Haoxiang, Fullard, John F. +9 more·2021·Nature Communications

Abstract

Genome-wide association studies (GWAS) have identified more than 40 loci associated with Alzheimer’s disease (AD), but the causal variants, regulatory elements, genes and pathways remain largely unknown, impeding a mechanistic understanding of AD pathogenesis. Previously, we showed that AD risk alleles are enriched in myeloid-specific epigenomic annotations. Here, we show that they are specifically enriched in active enhancers of monocytes, macrophages and microglia. We integrated AD GWAS with myeloid epigenomic and transcriptomic datasets using analytical approaches to link myeloid enhancer activity to target gene expression regulation and AD risk modification. We identify AD risk enhancers and nominate candidate causal genes among their likely targets (including AP4E1, AP4M1, APBB3, BIN1, MS4A4A, MS4A6A, PILRA, RABEP1, SPI1, TP53INP1 , and ZYX ) in twenty loci. Fine-mapping of these enhancers nominates candidate functional variants that likely modify AD risk by regulating gene expression in myeloid cells. In the MS4A locus we identified a single candidate functional variant and validated it in human induced pluripotent stem cell (hiPSC)-derived microglia and brain. Taken together, this study integrates AD GWAS with multiple myeloid genomic datasets to investigate the mechanisms of AD risk alleles and nominates candidate functional variants, regulatory elements and genes that likely modulate disease susceptibility.

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Authors
Novikova, G., Kapoor, M., TCW, J., Abud, E. M., Efthymiou, A. G., Chen, S. X., Cheng, H., Fullard, J. F., Bendl, J., Liu, Y., Roussos, P., Björkegren, J. L., Liu, Y., Poon, W. W., Hao, K., Marcora, E., & Goate, A. M.
Affiliations
  • Icahn School of Medicine at Mount Sinai (US)
  • University of California, Irvine (US)
  • Indiana University Indianapolis (US)
  • Karolinska University Hospital (SE)
Corresponding author
  • Marcora, Edoardo
  • Goate, Alison M.
Venue
Nature Communications
Published
2021-03-12
Volume
12
Issue
1
Pages
1610-1610
ISSN
2041-1723 (ISSN-L)
OpenAlex
W3134303686
Cited by
214
References
80
Citations by year
2026: 17 · 2025: 55 · 2024: 38 · 2023: 41 · 2022: 41 · 2021: 21 · 2020: 1
FWCI
22.05
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • eScholarship (California Digital Library) (submittedVersion, cc-by)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • IUScholarWorks (Indiana University) (submittedVersion, cc-by)
Funders
U.S. Department of Health & Human Services | NIH | National Institute on Aging (K01AG062683, F31 AG059337-01, R01AG050986)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
Keywords
Alzheimer's disease, genetic susceptibility loci, myeloid cells, regulatory elements, enhancers, microglia, macrophages, monocytes, epigenomics, transcriptomics, causal variants, fine mapping, BIN1, MS4A4A, MS4A6A, PU.1, TP53INP1, disease susceptibility, gene expression regulation
MeSH terms
Alleles, Alzheimer Disease, Gene Expression Regulation, Humans, Macrophages, Regulatory Sequences, Nucleic Acid, Microglia, Genetic Predisposition to Disease, Myeloid Cells, Genomics, Genome-Wide Association Study, Induced Pluripotent Stem Cells, Transcriptome

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