Cited by 401Neuroinflammation and Neurodegeneration MechanismsNeurogenesis and neuroplasticity mechanismsAlzheimer's disease research and treatments

Microglia turnover with aging and in an Alzheimer’s model via long-term in vivo single-cell imaging

Füger, Petra, Hefendehl, Jasmin K, Veeraraghavalu, Karthik, Wendeln, Ann-Christin, Schlosser, Christine, Obermüller, Ulrike, Wegenast-Braun, Bettina M, Neher, Jonas J +7 more·2017·Nature Neuroscience

Abstract

To clarify the role of microglia in brain homeostasis and disease, an understanding of their maintenance, proliferation and turnover is essential. The lifespan of brain microglia, however, remains uncertain, and reflects confounding factors in earlier assessments that were largely indirect. We genetically labeled single resident microglia in living mice and then used multiphoton microscopy to monitor these cells over time. Under homeostatic conditions, we found that neocortical resident microglia were long-lived, with a median lifetime of well over 15 months; thus, approximately half of these cells survive the entire mouse lifespan. While proliferation of resident neocortical microglia under homeostatic conditions was low, microglial proliferation in a mouse model of Alzheimer's β-amyloidosis was increased threefold. The persistence of individual microglia throughout the mouse lifespan provides an explanation for how microglial priming early in life can induce lasting functional changes and how microglial senescence may contribute to age-related neurodegenerative diseases.

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Crossref · 10.1038/nn.4631

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Authors
Füger, P., Hefendehl, J. K., Veeraraghavalu, K., Wendeln, A.-C., Schlosser, C., Obermüller, U., Wegenast-Braun, B. M., Neher, J. J., Martus, P., Kohsaka, S., Thunemann, M., Feil, R., Sisodia, S. S., Skodras, A., & Jucker, M.
Affiliations
  • German Center for Neurodegenerative Diseases (DE)
  • University of Chicago (US)
  • Hertie Institute for Clinical Brain Research (DE)
  • University of Tübingen (DE)
  • National Institute of Neuroscience (JP)
Corresponding author
  • Skodras, Angelos
  • Jucker, Mathias
Venue
Nature Neuroscience
Published
2017-08-28
Volume
20
Issue
10
Pages
1371-1376
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2747817360
Cited by
401
References
38
Citations by year
2026: 24 · 2025: 42 · 2024: 56 · 2023: 47 · 2022: 39 · 2021: 66 · 2020: 39 · 2019: 39 · 2018: 38 · 2017: 11
FWCI
17.30
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • DZNE Pub (submittedVersion)
Funders
National Institute on Aging (R01AG027854, R01AG021494)
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
Keywords
microglia, microglial proliferation, Alzheimer's disease, beta-amyloidosis, microglial senescence, microglial priming, aging, mouse model
MeSH terms
Aging, Alzheimer Disease, Animals, Mice, Transgenic, Cell Death, Microglia, Neocortex, Microscopy, Fluorescence, Multiphoton, Cell Proliferation, Mice, Kaplan-Meier Estimate, Plaque, Amyloid, Single-Cell Analysis

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