Cited by 562Neuroinflammation and Neurodegeneration MechanismsAlzheimer's disease research and treatmentsNeurological Disease Mechanisms and Treatments

Microglial Cx3cr1 knockout prevents neuron loss in a mouse model of Alzheimer's disease

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Fuhrmann, Martin, Bittner, Tobias, Jung, Christian K E, Burgold, Steffen, Page, Richard M, Mitteregger, Gerda, Haass, Christian, LaFerla, Frank M +2 more·2010·Nature Neuroscience

Abstract

Microglia, the immune cells of the brain, can have a beneficial effect in Alzheimer's disease by phagocytosing amyloid-beta. Two-photon in vivo imaging of neuron loss in the intact brain of living Alzheimer's disease mice revealed an involvement of microglia in neuron elimination, indicated by locally increased number and migration velocity of microglia around lost neurons. Knockout of the microglial chemokine receptor Cx3cr1, which is critical in neuron-microglia communication, prevented neuron loss.

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  • Conflicting evidence suggests either neurotoxic or neuroprotective effects of CX3CR1 deletion in various disease models.

    “Conflicting evidence in the literature suggests either neurotoxic or neuroprotective effects of CX3CR1 deletion in various disease models (Cardona et al., 2006; Fuhrmann et al., 2010).”
  • Deletion of CX3CR1 or depression of the CX3CL1/CX3CR1 axis reduces Aβ deposition but exacerbates tau pathology, such as increased phosphorylation and aggregation of tau, and this is associated with worsened behavioral and cognitive impairments.

    “Deletion of CX3CR1 or depression of the CX3CL1/CX3CR1 axis reduces Aβ deposition [130–132] but exacerbates tau pathology, such as increased phosphorylation and aggregation of tau, and this is associated with worsened behavioral and cognitive impairments [132–137] (Fig. 1).”
  • Housekeeping functions include synaptic remodeling, migration to sites of neuronal death for phagocytosis, and maintenance of myelin homeostasis.

    “Physiological housekeeping functions include synaptic remodeling (a function critical for CNS development, homeostasis, and neurodegeneration20–22), migration to sites of neuronal death to phagocytose dead or dying cells23,24 or debris, and maintaining myelin homeostasis25.”

    From Microglia in neurodegeneration (2018) · cites this paper as [23]

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Authors
Fuhrmann, M., Bittner, T., Jung, C. K. E., Burgold, S., Page, R. M., Mitteregger, G., Haass, C., LaFerla, F. M., Kretzschmar, H., & Herms, J.
Affiliations
  • Institut für Neuropathologie (DE)
  • German Center for Neurodegenerative Diseases (DE)
  • University of California, Irvine (US)
Corresponding author
Herms, Jochen
Venue
Nature Neuroscience
Published
2010-03-21
Volume
13
Issue
4
Pages
411-413
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2160031422
Cited by
562
References
15
Citations by year
2026: 15 · 2025: 22 · 2024: 24 · 2023: 30 · 2022: 30 · 2021: 37 · 2020: 29 · 2019: 33 · 2018: 44 · 2017: 24 · 2016: 30 · 2015: 43 · 2014: 46 · 2013: 51 · 2012: 42
FWCI
29.61
Type
journal article
Language
en
Open access
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • DZNE Pub (submittedVersion)
Funders
  • Deutsche Forschungsgemeinschaft
  • Bundesministerium für Bildung und Forschung
  • Bundesministerium für Wirtschaft und Technologie
  • National Institute on Aging (P01AG000538)
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Neurology › Neurological Disease Mechanisms and Treatments
Keywords
Alzheimer's disease, microglia, CX3CR1, neuronal loss, neuron-microglia communication, chemokine receptors, amyloid-beta phagocytosis, microglial migration, neurodegeneration, transgenic mouse model
MeSH terms
CX3C Chemokine Receptor 1, Alzheimer Disease, Animals, Cell Communication, Cell Count, Disease Models, Animal, Mice, Transgenic, Neurons, Microglia, Mice, Knockout, Receptors, Chemokine, Mice, Gene Knock-In Techniques

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