Cited by 462Neuroinflammation and Neurodegeneration MechanismsAlzheimer's disease research and treatmentsSingle-cell and spatial transcriptomics

Human microglial state dynamics in Alzheimer’s disease progression

Open access
Sun, Na, Victor, Matheus B., Park, Yongjin P., Xiong, Xushen, Scannail, Aine Ni, Leary, Noelle, Prosper, Shaniah, Viswanathan, Soujanya +11 more·2023·Cell

Abstract

Altered microglial states affect neuroinflammation, neurodegeneration, and disease but remain poorly understood. Here, we report 194,000 single-nucleus microglial transcriptomes and epigenomes across 443 human subjects and diverse Alzheimer's disease (AD) pathological phenotypes. We annotate 12 microglial transcriptional states, including AD-dysregulated homeostatic, inflammatory, and lipid-processing states. We identify 1,542 AD-differentially-expressed genes, including both microglia-state-specific and disease-stage-specific alterations. By integrating epigenomic, transcriptomic, and motif information, we infer upstream regulators of microglial cell states, gene-regulatory networks, enhancer-gene links, and transcription-factor-driven microglial state transitions. We demonstrate that ectopic expression of our predicted homeostatic-state activators induces homeostatic features in human iPSC-derived microglia-like cells, while inhibiting activators of inflammation can block inflammatory progression. Lastly, we pinpoint the expression of AD-risk genes in microglial states and differential expression of AD-risk genes and their regulators during AD progression. Overall, we provide insights underlying microglial states, including state-specific and AD-stage-specific microglial alterations at unprecedented resolution.

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Crossref · 10.1016/j.cell.2023.08.037

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Authors
Sun, N., Victor, M. B., Park, Y. P., Xiong, X., Scannail, A. N., Leary, N., Prosper, S., Viswanathan, S., Luna, X., Boix, C. A., James, B. T., Tanigawa, Y., Galani, K., Mathys, H., Jiang, X., Ng, A. P., Bennett, D. A., Tsai, L.-H., & Kellis, M.
Affiliations
  • Broad Institute (US)
  • Massachusetts Institute of Technology (US)
  • University of Pittsburgh (US)
  • Rush University Medical Center (US)
Corresponding author
  • Tsai, Li-Huei
  • Kellis, Manolis
Venue
Cell
Publisher
Elsevier BV
Published
2023-09
Volume
186
Issue
20
Pages
4386-4403.e29
ISSN
0092-8674 (ISSN-L)
OpenAlex
W4387142551
Cited by
462
References
39
Citations by year
2026: 187 · 2025: 156 · 2024: 107 · 2023: 11 · 2022: 1
FWCI
47.58
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Cure Alzheimer's Fund
  • Howard Hughes Medical Institute
  • National Institutes of Health (R01AG17917, AG062335, AG058002, P30AG72975, AG074003, NS127187, MH109978, NS110453, U01AG61356, NS115064, R01AG57473, 1RF1AG054321, R01AG15819, U01AG46152, AG062377, AG054012, AG067151, P30AG10161, AG081017, AG077227, NS129032)
  • JPB Foundation
  • Robert A. and Renee E. Belfer Family Foundation
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Single-cell and spatial transcriptomics
Keywords
Alzheimer's disease, microglial states, neuroinflammation, single-nucleus transcriptomics, epigenomics, gene regulatory networks, transcription factor regulation, disease progression, lipid processing, homeostatic microglia
MeSH terms
Epigenome, Alzheimer Disease, Gene Expression Regulation, Humans, Inflammation, Transcription Factors, Microglia, Transcriptome

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