Cited by 1,022Neuroinflammation and Neurodegeneration MechanismsPhagocytosis and Immune RegulationImmune Response and Inflammation

Down-Regulation of the Macrophage Lineage Through Interaction with OX2 (CD200)

Hoek, Robert M., Ruuls, Sigrid R., Murphy, Craig A., Wright, Gavin J., Goddard, Ruth, Zurawski, Sandra M., Blom, Bianca, Homola, Margit E. +4 more·2000·Science

Abstract

OX2 (CD200) is a broadly expressed membrane glycoprotein, shown here to be important for regulation of the macrophage lineage. In mice lacking CD200, macrophage lineage cells, including brain microglia, exhibited an activated phenotype and were more numerous. Upon facial nerve transection, damaged CD200-deficient neurons elicited an accelerated microglial response. Lack of CD200 resulted in a more rapid onset of experimental autoimmune encephalomyelitis (EAE). Outside the brain, disruption of CD200-CD200 receptor interaction precipitated susceptibility to collagen-induced arthritis (CIA) in mice normally resistant to this disease. Thus, in diverse tissues OX2 delivers an inhibitory signal for the macrophage lineage.

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Crossref · 10.1126/science.290.5497.1768

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  • CD200-knockout mice have deramified microglia with upregulated levels of CD11b and CD45 at baseline, indicative of an activated phenotype.

    “Indeed, despite normal lifespan and no obvious behavioral abnormalities, CD200-knockout mice have deramified microglia with upregulated levels of CD11b and CD45 at baseline, overall indicative of an activated phenotype (Hoek et al, 2000).”

    From Microglia Priming with Aging and Stress (2017) · cites this paper as Hoek et al, 2000

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Authors
Hoek, R. M., Ruuls, S. R., Murphy, C. A., Wright, G. J., Goddard, R., Zurawski, S. M., Blom, B., Homola, M. E., Streit, W. J., Brown, M. H., Barclay, A. N., & Sedgwick, J. D.
Affiliations
  • DNAX Research Institute of Molecular and Cellular Biology, 901 California Avenue, Palo Alto, CA 94304, USA.
  • University of Oxford (GB)
  • University of Florida (US)
Corresponding author
Sedgwick, Jonathon D.
Venue
Science
Published
2000-12
Volume
290
Issue
5497
Pages
1768-1771
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2159744102
Cited by
1,022
References
20
Citations by year
2026: 21 · 2025: 20 · 2024: 39 · 2023: 41 · 2022: 34 · 2021: 49 · 2020: 45 · 2019: 38 · 2018: 45 · 2017: 37 · 2016: 52 · 2015: 42 · 2014: 66 · 2013: 63 · 2012: 70
FWCI
11.42
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
  • Pure Amsterdam UMC (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Immunology and Microbiology › Immunology › Phagocytosis and Immune Regulation
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
Keywords
CD200, macrophage lineage, microglia, macrophage activation, CD200R, facial nerve transection, experimental autoimmune encephalomyelitis, collagen-induced arthritis, neuroinflammation, immunosuppression
MeSH terms
Animals, Antigens, Surface, Arthritis, Experimental, Central Nervous System, Denervation, Encephalomyelitis, Autoimmune, Experimental, Facial Nerve, Joints, Lymph Nodes, Macrophage Activation, Macrophages, Mice, Inbred C57BL, Neurons, Receptors, Immunologic, Spleen, Down-Regulation, Antigens, CD, Microglia, Gene Targeting, Cell Lineage, Mice, Rats

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