Cited by 303Alzheimer's disease research and treatmentsNeuroinflammation and Neurodegeneration MechanismsDementia and Cognitive Impairment Research

The DOI matches its Crossref record; 79 of the 80 references it cites were found in a registry or an index.

Trem2 restrains the enhancement of tau accumulation and neurodegeneration by β-amyloid pathology

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Abstract

Loss-of-function TREM2 mutations strongly increase Alzheimer's disease (AD) risk. Trem2 deletion has revealed protective Trem2 functions in preclinical models of β-amyloidosis, a prominent feature of pre-diagnosis AD stages. How TREM2 influences later AD stages characterized by tau-mediated neurodegeneration is unclear. To understand Trem2 function in the context of both β-amyloid and tau pathologies, we examined Trem2 deficiency in the pR5-183 mouse model expressing mutant tau alone or in TauPS2APP mice, in which β-amyloid pathology exacerbates tau pathology and neurodegeneration. Single-cell RNA sequencing in these models revealed robust disease-associated microglia (DAM) activation in TauPS2APP mice that was amyloid-dependent and Trem2-dependent. In the presence of β-amyloid pathology, Trem2 deletion further exacerbated tau accumulation and spreading and promoted brain atrophy. Without β-amyloid pathology, Trem2 deletion did not affect these processes. Therefore, TREM2 may slow AD progression and reduce tau-driven neurodegeneration by restricting the degree to which β-amyloid facilitates the spreading of pathogenic tau.

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Crossref · 10.1016/j.neuron.2021.02.010

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Metadata

Authors
Lee, S.-H., Meilandt, W. J., Xie, L., Gandham, V. D., Ngu, H., Barck, K. H., Rezzonico, M. G., Imperio, J., Lalehzadeh, G., Huntley, M. A., Stark, K. L., Foreman, O., Carano, R. A. D., Friedman, B. A., Sheng, M., Easton, A., Bohlen, C. J., & Hansen, D. V.
Affiliations
Genentech (US)
Corresponding author
  • Meilandt, William J.
  • Hansen, David V.
Venue
Neuron
Publisher
Elsevier BV
Published
2021-04
Volume
109
Issue
8
Pages
1283-1301.e6
ISSN
0896-6273 (ISSN-L)
OpenAlex
W3135733909
Cited by
300
References
80
Citations by year
2026: 32 · 2025: 51 · 2024: 56 · 2023: 45 · 2022: 82 · 2021: 33
FWCI
34.36
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
Funders
Genentech Inc
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
Keywords
TREM2, Alzheimer's disease, amyloid-beta, tau pathology, neurodegeneration, disease-associated microglia, microglial activation, tau propagation, brain atrophy, TREM2 deficiency, disease progression
MeSH terms
Alzheimer Disease, Amyloid, Animals, Atrophy, Brain, Disease Models, Animal, Membrane Glycoproteins, Mice, Transgenic, Receptors, Immunologic, Amyloid beta-Peptides, Amyloid beta-Protein Precursor, tau Proteins, Mice

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