Cited by 147Neuroinflammation and Neurodegeneration MechanismsNeuroscience and Neuropharmacology ResearchNeurogenesis and neuroplasticity mechanisms

Molecular Mechanisms of Microglial Motility: Changes in Ageing and Alzheimer’s Disease

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Franco-Bocanegra, Diana K., McAuley, Ciaran, Nicoll, James A. R., Boche, Delphine·2019·Cells

Abstract

Microglia are the tissue-resident immune cells of the central nervous system, where they constitute the first line of defense against any pathogens or injury. Microglia are highly motile cells and in order to carry out their function, they constantly undergo changes in their morphology to adapt to their environment. The microglial motility and morphological versatility are the result of a complex molecular machinery, mainly composed of mechanisms of organization of the actin cytoskeleton, coupled with a “sensory” system of membrane receptors that allow the cells to perceive changes in their microenvironment and modulate their responses. Evidence points to microglia as accountable for some of the changes observed in the brain during ageing, and microglia have a role in the development of neurodegenerative diseases, such as Alzheimer’s disease. The present review describes in detail the main mechanisms driving microglial motility in physiological conditions, namely, the cytoskeletal actin dynamics, with emphasis in proteins highly expressed in microglia, and the role of chemotactic membrane proteins, such as the fractalkine and purinergic receptors. The review further delves into the changes occurring to the involved proteins and pathways specifically during ageing and in Alzheimer’s disease, analyzing how these changes might participate in the development of this disease.

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Authors
Franco-Bocanegra, D. K., McAuley, C., Nicoll, J. A. R., & Boche, D.
Affiliations
  • University of Southampton (GB)
  • University Hospital Southampton NHS Foundation Trust (GB)
Corresponding author
Boche, Delphine
Venue
Cells
Publisher
MDPI AG
Published
2019-06-25
Volume
8
Issue
6
Pages
639
ISSN
2073-4409 (ISSN-L)
OpenAlex
W2955533479
Cited by
147
References
123
Citations by year
2026: 14 · 2025: 19 · 2024: 20 · 2023: 21 · 2022: 20 · 2021: 28 · 2020: 22 · 2019: 3
FWCI
1.90
Type
journal article
Language
en
Open access
Locations
  • Cells (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • ePrints Soton (University of Southampton) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Consejo Nacional de Ciencia y Tecnología (270152/438262)
  • University of Southampton (VCFoM/BocheD/TBC/170)
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
Keywords
microglial motility, microglial morphology, actin cytoskeleton dynamics, fractalkine, purinergic receptors, chemotaxis, aging, Alzheimer's disease, neuroinflammation
MeSH terms
Aging, Alzheimer Disease, Cell Movement, Humans, Actin Cytoskeleton, Receptors, Purinergic, Microglia

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