Cited by 45Neuroinflammation and Neurodegeneration MechanismsAlzheimer's disease research and treatmentsPhagocytosis and Immune Regulation

Macrophage colony stimulating factor promotes phagocytosis by murine microglia

Mitrasinovic, Olivera M, Vincent, Valerie A.M, Simsek, Dilek, Murphy, Greer M·2003·Neuroscience Letters

Abstract

Macrophage colony stimulating factor (M-CSF) and its receptor are upregulated in the brain in Alzheimer's disease. M-CSF induces activation and proliferation of microglial cells and expression of proinflammatory cytokines. Amyloid beta (Abeta) immunization experiments suggest that microglia have the capacity to aggressively clear Abeta from the brain under certain circumstances. We examined the role of M-CSF in phagocytosis of fluorescent microspheres and Abeta by cultured microglia. M-CSF treatment increased microglial cell phagocytosis of both microspheres and of Abeta. Antibody neutralization of M-CSF inhibited Abeta uptake induced by overexpression of the M-CSF receptor on microglia. These results suggest that M-CSF could be important in promoting microglial clearance of abnormal protein aggregates such as Abeta.

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Crossref · 10.1016/s0304-3940(03)00474-9

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Authors
Mitrasinovic, O. M., Vincent, V. A. M., Simsek, D., & Murphy, G. M.
Affiliations
Stanford Medicine (US)
Corresponding author
Murphy, Greer M
Venue
Neuroscience Letters
Publisher
Elsevier BV
Published
2003-07
Volume
344
Issue
3
Pages
185-188
ISSN
0304-3940 (ISSN-L)
OpenAlex
W2094812747
Cited by
45
References
20
Citations by year
2026: 1 · 2024: 2 · 2023: 1 · 2022: 2 · 2020: 2 · 2019: 1 · 2018: 4 · 2016: 3 · 2015: 2 · 2013: 3 · 2012: 3
FWCI
1.79
Type
journal article
Language
en
Open access
closed
Locations
  • Neuroscience Letters (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute of Mental Health
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Immunology and Microbiology › Immunology › Phagocytosis and Immune Regulation
Keywords
macrophage colony-stimulating factor, microglia, phagocytosis, amyloid-beta, Alzheimer's disease, M-CSF receptor, microglial activation, protein aggregate clearance, fluorescent microspheres
MeSH terms
Animals, Cell Line, Flow Cytometry, Fluorescent Dyes, Microspheres, Peptide Fragments, Phagocytosis, Macrophage Colony-Stimulating Factor, Amyloid beta-Peptides, Microglia, Mice

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