Cited by 1,289Alzheimer's disease research and treatmentsTelomeres, Telomerase, and SenescenceNeuroinflammation and Neurodegeneration Mechanisms

The DOI matches its Crossref record; 35 of the 35 references it cites were found in a registry or an index.

Clearance of senescent glial cells prevents tau-dependent pathology and cognitive decline

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Abstract

Cellular senescence, which is characterized by an irreversible cell-cycle arrest 1 accompanied by a distinctive secretory phenotype 2, can be induced through various intracellular and extracellular factors. Senescent cells that express the cell cycle inhibitory protein p16 INK4A have been found to actively drive naturally occurring age-related tissue deterioration 3,4 and contribute to several diseases associated with ageing, including atherosclerosis 5 and osteoarthritis 6. Various markers of senescence have been observed in patients with neurodegenerative diseases 7-9; however, a role for senescent cells in the aetiology of these pathologies is unknown. Here we show a causal link between the accumulation of senescent cells and cognition-associated neuronal loss. We found that the MAPT P301S PS19 mouse model of tau-dependent neurodegenerative disease 10 accumulates p16 INK4A-positive senescent astrocytes and microglia. Clearance of these cells as they arise using INK-ATTAC transgenic mice prevents gliosis, hyperphosphorylation of both soluble and insoluble tau leading to neurofibrillary tangle deposition, and degeneration of cortical and hippocampal neurons, thus preserving cognitive function. Pharmacological intervention with a first-generation senolytic modulates tau aggregation. Collectively, these results show that senescent cells have a role in the initiation and progression of tau-mediated disease, and suggest that targeting senescent cells may provide a therapeutic avenue for the treatment of these pathologies.

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Metadata

Authors
Bussian, T. J., Aziz, A., Meyer, C. F., Swenson, B. L., van Deursen, J. M., & Baker, D. J.
Affiliations
Mayo Clinic (US)
Corresponding author
Baker, Darren J.
Venue
Nature
Published
2018-09-19
Volume
562
Issue
7728
Pages
578-582
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2890865075
Cited by
1,289
References
35
Citations by year
2026: 140 · 2025: 165 · 2024: 185 · 2023: 161 · 2022: 173 · 2021: 157 · 2020: 169 · 2019: 127 · 2018: 12
FWCI
79.93
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • Radboud Repository (Radboud University) (submittedVersion)
Funders
National Institute on Aging (R01AG053229)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Alzheimer's disease research and treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
cellular senescence, senolytics, astrocytes, microglia, tauopathy, neurofibrillary tangles, tau hyperphosphorylation, cognitive decline, neuronal loss, p16INK4a, gliosis, neurodegeneration
MeSH terms
Aniline Compounds, Animals, Astrocytes, Female, Gliosis, Humans, Male, Mice, Transgenic, Neuroglia, Phosphorylation, Solubility, Sulfonamides, Neurofibrillary Tangles, tau Proteins, Cellular Senescence, Transgenes, Cyclin-Dependent Kinase Inhibitor p16, Mice, Cognitive Dysfunction

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