Cited by 843Neuroinflammation and Neurodegeneration MechanismsInflammasome and immune disordersTraumatic Brain Injury and Neurovascular Disturbances

Regulation of innate immune responses in the brain

Rivest, Serge·2009·Nature Reviews Immunology

Abstract

Microglial cells are the main innate immune cells of the complex cellular structure of the brain. These cells respond quickly to pathogens and injury, accumulate in regions of degeneration and produce a wide variety of pro-inflammatory molecules. These observations have resulted in active debate regarding the exact role of microglial cells in the brain and whether they have beneficial or detrimental functions. Careful targeting of these cells could have therapeutic benefits for several types of trauma and disease specific to the central nervous system. This Review discusses the molecular details underlying the innate immune response in the brain during infection, injury and disease.

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Crossref · 10.1038/nri2565

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114 of 114 references verified0 citation errors · 0 not checkable

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  • Microglia are the resident macrophage population of the central nervous system that perform functions required for typical development, homeostasis, plasticity, immunity and repair.

    “Microglia are the resident macrophage population of the central nervous system (CNS) that perform functions required for typical development, as well as homeostasis, plasticity, immunity and repair (1–5).”
  • Microglia account for approximately 5-12% of total brain cells and are distributed unevenly, with greater densities in grey matter and structures such as hippocampus, basal ganglia, and substantia nigra than in white matter.

    “Microglia represent a heterogeneous cell population accounting for approximately 5–12% of total brain cells. They are distributed unevenly throughout the CNS, as grey matter and specific structures such as the hippocampus, basal ganglia, and substantia nigra typically all exhibit greater densities than the white matter (58–60).”

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Authors
Rivest, S.
Affiliations
Centre hospitalier universitaire de Québec (CA)
Corresponding author
Rivest, Serge
Venue
Nature Reviews Immunology
Published
2009-06
Volume
9
Issue
6
Pages
429-439
ISSN
  • 1474-1733 (ISSN-L)
  • 1474-1741
OpenAlex
W2145938600
Cited by
843
References
115
Citations by year
2026: 17 · 2025: 24 · 2024: 25 · 2023: 33 · 2022: 47 · 2021: 42 · 2020: 40 · 2019: 43 · 2018: 48 · 2017: 52 · 2016: 54 · 2015: 79 · 2014: 86 · 2013: 69 · 2012: 69
FWCI
4.71
Type
journal article
Language
en
Open access
closed
Locations
  • Nature reviews. Immunology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Canada Research Chairs
  • Canadian Institutes of Health Research
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Inflammasome and immune disorders
  • Health Sciences › Medicine › Neurology › Traumatic Brain Injury and Neurovascular Disturbances
Keywords
microglia, innate immunity, neuroinflammation, microglial activation, neuroprotection, neurodegeneration, Alzheimer's disease, infection, brain injury, proinflammatory molecules
MeSH terms
Alzheimer Disease, Amyloid, Animals, Brain, Encephalitis, Glucocorticoids, Humans, Immunity, Innate, Lipopolysaccharides, Oligodendroglia, Wounds and Injuries, Microglia, Toll-Like Receptors

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