Microglia dynamics and function in the CNS
Open accessAbstract
Microglial cells constitute the resident immune cell population of the mammalian central nervous system. One striking feature of these cells is their highly dynamic nature under both normal and pathological brain conditions. The highly branched processes of resting microglia display a constitutive mobility and undergo rapid directional movement towards sites of acute tissue disruption. Microglia can be converted by a large number of different stimuli to a chronically activated state by signaling through both purinergic and Toll-like receptor systems, among others. Recent work has uncovered some of the mechanisms underlying microglia dynamics and shed new light into the functional significance of this enigmatic member of the glial cell family.
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Microglial function is highly dependent on baseline motility, which consists of the extension, retraction, and movement of microglial processes, allowing membrane ruffling.
“Microglial function is highly dependent on baseline motility, which consists of the extension, retraction, and movement of microglial processes [37, 70], allowing membrane ruffling.”
From Enhanced microglial dynamics and a paucity of tau seeding in the amyloid plaque microenvironment contribute to cognitive resilience in Alzheimer’s disease (2024) · cites this paper as [70]
The section 'Baseline microglial dynamics and rapid process extension' describes constant movement of microglial processes and reports process extension and retraction. But it says the functional significance of baseline motility remains unknown, so it does not establish that microglial function is highly dependent on it. The cited text also does not describe membrane ruffling. (LLM, conf=0.87)
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References 56 · Cited by 132
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- Authors
- Parkhurst, C. N., & Gan, W.-B.
- Affiliations
- New York University (US)
- Corresponding author
- Gan, Wen-Biao
- Venue
- Current Opinion in Neurobiology
- Publisher
- Elsevier BV
- Published
- 2010-10
- Volume
- 20
- Issue
- 5
- Pages
- 595-600
- ISSN
- 0959-4388 (ISSN-L)
- PMC
- PMC3708473
- OpenAlex
- W2040533389
- Cited by
- 132
- References
- 56
- Citations by year
- 2026: 5 · 2025: 6 · 2024: 10 · 2023: 6 · 2022: 25 · 2021: 11 · 2020: 9 · 2019: 10 · 2018: 5 · 2017: 6 · 2016: 6 · 2015: 10 · 2014: 8 · 2013: 4 · 2012: 7
- FWCI
- 0.40
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Current Opinion in Neurobiology (publishedVersion)
- PubMed (publishedVersion)
- Europe PMC (PubMed Central) (acceptedVersion)
- PubMed Central (acceptedVersion)
- Funders
- National Institutes of Health
- National Institute of Neurological Disorders and Stroke (P01 NS048477, R01NS047325, P01NS048447, R01NS087198)
- 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
- microglia, microglial dynamics, microglial motility, microglial activation, purinergic signaling, Toll-like receptors, central nervous system, glial cells, neuroinflammation
- MeSH terms
- Animals, Central Nervous System, Humans, Microglia
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