Cited by 1,748Neuroinflammation and Neurodegeneration MechanismsImmune cells in cancerMultiple Sclerosis Research Studies

Neuroinflammation and M2 Microglia: The Good, the Bad, and the Inflamed

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Cherry, Jonathan D, Olschowka, John A, O’Banion, M Kerry·2014·Journal of Neuroinflammation

Abstract

The concept of multiple macrophage activation states is not new. However, extending this idea to resident tissue macrophages, like microglia, has gained increased interest in recent years. Unfortunately, the research on peripheral macrophage polarization does not necessarily translate accurately to their central nervous system (CNS) counterparts. Even though pro- and anti-inflammatory cytokines can polarize microglia to distinct activation states, the specific functions of these states is still an area of intense debate. This review examines the multiple possible activation states microglia can be polarized to. This is followed by a detailed description of microglial polarization and the functional relevance of this process in both acute and chronic CNS disease models described in the literature. Particular attention is given to utilizing M2 microglial polarization as a potential therapeutic option in treating diseases.

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Crossref · 10.1186/1742-2094-11-98

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  • The activation process of microglia varies heavily depending on stimuli and is regulated by several intercellular interactions involving cell-surface molecules and soluble mediators.

    “The activation process of microglia varies heavily, depending on the stimuli, and is regulated by several intercellular interactions involving cell-surface molecules and soluble mediators, such as cytokines, ROS, and neurotransmitters [68].”
  • Astrocytes and microglia could play a major role in the neuroinflammation associated with neurodegenerative diseases.

    “The astrocytes and microglia could play a major role in the neuroinflammation associated with neurodegenerative diseases (Cherry et al., 2014).”
  • The change of microglia between M1 and M2 phenotypes is a dynamic process and microglial activation can switch from M2 to M1 phenotype during the course of disease.

    “The change of microglia between M1 and M2 phenotypes is a dynamic process and microglial activation can switch from M2 to M1 phenotype during the course of disease (Cherry et al., 2014).”

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Authors
Cherry, J. D., Olschowka, J. A., & O’Banion, M. K.
Affiliations
University of Rochester Medicine (US)
Corresponding author
O’Banion, M Kerry
Venue
Journal of Neuroinflammation
Published
2014-06-03
Volume
11
Issue
1
Pages
98-98
ISSN
1742-2094 (ISSN-L)
OpenAlex
W2147180300
Cited by
1,748
References
167
Citations by year
2026: 127 · 2025: 129 · 2024: 170 · 2023: 157 · 2022: 205 · 2021: 185 · 2020: 173 · 2019: 138 · 2018: 129 · 2017: 128 · 2016: 115 · 2015: 75 · 2014: 14
FWCI
8.81
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Journal of Neuroinflammation (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • National Aeronautics and Space Administration (NNX13AC33G)
  • National Institutes of Health
  • National Institute on Aging (R01AG030149)
  • National Institute of Allergy and Infectious Diseases (U19AI091036)
  • National Institute of Environmental Health Sciences (R01 ES020322)
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Immunology and Microbiology › Immunology › Immune cells in cancer
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Multiple Sclerosis Research Studies
Keywords
microglia, M2 microglia, microglial polarization, neuroinflammation, central nervous system disorders, pro- and anti-inflammatory cytokines
MeSH terms
Animals, Central Nervous System, Encephalitis, Humans, Macrophage Activation, Microglia

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