Cited by 231Neuroinflammation and Neurodegeneration MechanismsAlzheimer's disease research and treatmentsNeurological Disease Mechanisms and Treatments

The DOI matches its Crossref record; 53 of the 53 references it cites were found in a registry or an index.

Microglia in Alzheimer’s Disease: Activated, Dysfunctional or Degenerative

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Navarro, Victoria, Sanchez-Mejias, Elisabeth, Jimenez, Sebastian, Muñoz-Castro, Clara, Sanchez-Varo, Raquel, Davila, Jose C., Vizuete, Marisa, Gutierrez, Antonia, Vitorica, Javier·2018·Frontiers in Aging Neuroscience

Abstract

Microglial activation has been considered a crucial player in the pathological process of multiple human neurodegenerative diseases. In some of these pathologies, such as Amyotrophic Lateral Sclerosis or Multiple Sclerosis, the immune system and microglial cells (as part of the cerebral immunity) play a central role. In other degenerative processes, such as Alzheimer's disease (AD), the role of microglia is far to be elucidated. In this "mini-review" article, we briefly highlight our recent data comparing the microglial response between amyloidogenic transgenic models, such as APP/PS1 and AD patients. Since the AD pathology could display regional heterogeneity, we focus our work at the hippocampal formation. In APP based models a prominent microglial response is triggered around amyloid-beta (Aβ) plaques. These strongly activated microglial cells could drive the AD pathology and, in consequence, could be implicated in the neurodegenerative process observed in models. On the contrary, the microglial response in human samples is, at least, partial or attenuated. This patent difference could simply reflect the lower and probably slower Aβ production observed in human hippocampal samples, in comparison with models, or could reflect the consequence of a chronic long-standing microglial activation. Beside this differential response, we also observed microglial degeneration in Braak V-VI individuals that, indeed, could compromise their normal role of surveying the brain environment and respond to the damage. This microglial degeneration, particularly relevant at the dentate gyrus, might be mediated by the accumulation of toxic soluble phospho-tau species. The consequences of this probably deficient immunological protection, observed in AD patients, are unknown.

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  1. Yeh, 2017, TREM2, microglia, and neurodegenerative diseases, Trends Mol. Med., 23, 512, 10.1016/j.molmed.2017.03.008 · DOI · Paper page

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Metadata

Authors
Navarro, V., Sanchez-Mejias, E., Jimenez, S., Muñoz-Castro, C., Sanchez-Varo, R., Davila, J. C., Vizuete, M., Gutierrez, A., & Vitorica, J.
Affiliations
Biomedical Research Networking Center on Neurodegenerative Diseases (ES)
Venue
Frontiers in Aging Neuroscience
Published
2018-05-11
Volume
10
Pages
140-140
ISSN
1663-4365 (ISSN-L)
OpenAlex
W2799331265
Cited by
229
References
53
Citations by year
2026: 11 · 2025: 13 · 2024: 33 · 2023: 35 · 2022: 32 · 2021: 31 · 2020: 43 · 2019: 27 · 2018: 3
FWCI
11.69
Type
journal article
Language
en
Open access
Locations
  • Frontiers in Aging Neuroscience (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (submittedVersion, cc-by-nc-nd)
  • RISalud Institutional Health Repository of Andalucía (submittedVersion, cc-by)
  • DIGITAL.CSIC (Spanish National Research Council (CSIC)) (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Deposito de Investigacion Universidad de Sevilla (University of Seville) (submittedVersion, cc-by-nc-nd)
  • Repositorio Institucional de la Universidad de Málaga (University of Málaga) (submittedVersion, cc-by)
Funders
  • Instituto de Salud Carlos III (PI15/00957 and PI15/00796)
  • Consejería de Economía, Innovación, Ciencia y Empleo, Junta de Andalucía (CTS-2035)
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Neurology › Neurological Disease Mechanisms and Treatments
Keywords
microglia, Alzheimer's disease, microglial activation, amyloid plaques, hippocampus, Braak stages, phosphorylated tau, dentate gyrus, neuroinflammation, regional heterogeneity

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