Cited by 332Alzheimer's disease research and treatmentsNeuroinflammation and Neurodegeneration MechanismsInflammasome and immune disorders

TREM2 function impedes tau seeding in neuritic plaques

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Leyns, Cheryl E. G., Gratuze, Maud, Narasimhan, Sneha, Jain, Nimansha, Koscal, Lauren J., Jiang, Hong, Manis, Melissa, Colonna, Marco +3 more·2019·Nature Neuroscience

Abstract

Variants in the triggering receptor expressed on myeloid cells 2 (TREM2) have been associated with increased risk for sporadic, late-onset Alzheimer's disease. Here we show that germline knockout of Trem2 or the TREM2 R47H variant reduces microgliosis around amyloid-β plaques and facilitates the seeding and spreading of neuritic plaque tau aggregates. These findings demonstrate a key role for TREM2 and microglia in limiting the development of peri-plaque tau pathologies.

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Crossref · 10.1038/s41593-019-0433-0

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  • Mice carrying R47H variation display impaired binding of TREM2 with anionic and zwitterionic lipids known to associate with fibrillar Aβ, leading to failure of microglia to cluster around Aβ plaques, apoptosis, augmented Aβ accumulation, and spread of neuritic plaque tau aggregates.

    “Mice carrying R47H variation displayed impaired binding of TREM2 with anionic and zwitterionic lipids which are known to associate with fibrillar Aβ. As a result, microglia failed to cluster around Aβ plaques and became apoptotic, subsequently leading to augmented Aβ accumulation,198,199 and spread of neuritic plaque tau aggregates.200”

    From Role of neuroinflammation in neurodegeneration development (2023) · cites this paper as [200]

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  • Recent in vivo studies suggest TREM2 may be protective or damaging depending on the pathological stage.

    “recent in vivo studies suggest that TREM2 may be protective or damaging depending on the pathological stage [19,30,31,32].”

    From TREM2-Deficient Microglia Attenuate Tau Spreading In Vivo (2023) · cites this paper as [19]

    The paper’s Abstract (page not provided) reports that reduced TREM2 function increases tau seeding around amyloid plaques, supporting a protective role for TREM2 in that setting. It does not show that TREM2 is damaging at another pathological stage or establish a stage-dependent switch between protective and damaging effects. (LLM, conf=0.85)

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  • TREM2 deletion increased the abundance of hyperphosphorylated tau dystrophic neurites surrounding amyloid plaques in mice harboring beta-amyloid pathology injected with human AD tau aggregates.

    “TREM2 deletion increased the abundance of hyperphosphorylated tau dystrophic neurites surrounding amyloid plaques [19].”

    From TREM2-Deficient Microglia Attenuate Tau Spreading In Vivo (2023) · cites this paper as [19]

  • Genetically decreasing TREM2 levels or altering its function in transgenic mice with amyloid plaque deposits injected with human AD brain-derived tau aggregates enhances tau propagation.

    “Genetically decreasing TREM2 levels or altering its function in transgenic mice with amyloid plaque deposits injected with human AD brain-derived tau aggregates enhances tau propagation [19,30,31,32,39,40].”

    From TREM2-Deficient Microglia Attenuate Tau Spreading In Vivo (2023) · cites this paper as [19]

  • Extracellular tau can be taken up by neighboring cells, both neurons and glial cells, through various pathways including phagocytosis, macropinocytosis, receptor-mediated uptake, endocytosis, and/or membrane fusion of exosomes.

    “Meanwhile, the extracellular tau can be taken up by neighboring cells, both neurons and glial cells, through various pathways, including phagocytosis [68], macropinocytosis [69], receptor-mediated uptake [67, 70], endocytosis [71], and/or membrane fusion of exosomes [72, 73].”

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Research works printed but not linked: 2

  1. [2]Del-Aguila JL J. Alzheimers Dis. JAD 62, 745– 756 (2018). 29480181 PMC5989565
  2. [7]Yuan P Neuron 92, 252– 264 (2016). 27710785

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Authors
Leyns, C. E. G., Gratuze, M., Narasimhan, S., Jain, N., Koscal, L. J., Jiang, H., Manis, M., Colonna, M., Lee, V. M. Y., Ulrich, J. D., & Holtzman, D. M.
Affiliations
  • Washington University in St. Louis (US)
  • University of Pennsylvania (US)
Corresponding author
  • Ulrich, Jason D.
  • Holtzman, David M.
Venue
Nature Neuroscience
Published
2019-06-24
Volume
22
Issue
8
Pages
1217-1222
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2953373572
Cited by
332
References
25
Citations by year
2026: 32 · 2025: 45 · 2024: 51 · 2023: 50 · 2022: 52 · 2021: 54 · 2020: 39 · 2019: 7
FWCI
26.58
Type
journal article
Language
en
Open access
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • HAL (submittedVersion)
Funders
  • National Institutes of Health (1s10od021629-01a1)
  • National Institute on Aging (R01AG013956, F31AG053976, P01AG017586, P50AG005681, R01 AG059082, R21AG059176, RF1AG051485, P01AG003991, RF1AG059082, P01AG026276)
  • National Institute of Neurological Disorders and Stroke (RF1NS090934)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Inflammasome and immune disorders
Keywords
TREM2, tau seeding, neuritic plaques, Alzheimer's disease, microglia, microglial activation, amyloid plaques, tau aggregation, prion-like spreading
MeSH terms
Animals, Cerebral Cortex, Membrane Glycoproteins, Receptors, Immunologic, tau Proteins, Microglia, Mice, Knockout, Tauopathies, Mice, Plaque, Amyloid

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