Cited by 212Neuroinflammation and Neurodegeneration MechanismsNeurogenesis and neuroplasticity mechanismsMultiple Sclerosis Research Studies

The DOI matches its Crossref record; 33 of the 33 references it cites were found in a registry or an index.

GM‐CSF promotes proliferation of human fetal and adult microglia in primary cultures

Abstract

Proliferation of microglia/macrophages is a common finding in many central nervous system diseases. To identify mitogenic signals for human microglia, we examined primary cultures of human fetal and adult microglia after stimulation with cytokines, colony stimulating factors (CSFs), or LPS, using proliferating cell nuclear antigen (PCNA) expression as an index of cell proliferation. The results showed that both M-CSF and GM-CSF induced microglial proliferation in fetal and adult human cultures, but that GM-CSF provided a much stronger stimulus. At 96 h post-stimulation, the mean PCNA labeling index was 2.4 for M-CSF and 13.3 for GM-CSF in fetal microglia; in adult microglia, the PCNA labeling index was 4.7 for M-CSF and 9.0 for GM-CSF. The effect of GM-CSF on fetal microglia was dose dependent and synergistic with M-CSF. LPS abolished the basal level of PCNA labeling in adult microglia, but in fetal microglia, caused a slight increase in PCNA labeling (1.9) at 96 h and consistently enhanced microglial cell survival and differentiation into highly branched cells. The production of GM-CSF in purified human fetal astrocyte and microglial cultures was examined after stimulation with LPS, TNF-alpha, or IL-1 beta. Unlike M-CSF, neither cell type produced GM-CSF in unstimulated cultures; however, when stimulated with IL-1 beta, astrocytes expressed GM-CSF mRNA and protein, which accumulated in the culture through 72 h. In microglia, LPS was the only effective inducing agent. An immu…

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Crossref · 10.1002/glia.440120407

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Research works printed but not linked: 2

  1. Amat J., 1994, Reactive microglia express ganglioside GD3, Trans. Soc. Neurochem., 25, 236
  2. Lee S. C., 1992, Characterization of human fetal CNS dissociated cultures with an emphasis on microglia, Lab. Invest., 67, 465

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Items 101–200 of 212

Metadata

Authors
Lee, S. C., Liu, W., Brosnan, C. F., & Dickson, D. W.
Affiliations
Albert Einstein College of Medicine (US)
Corresponding author
Lee, Sunhee C.
Venue
Glia
Publisher
Wiley
Published
1994-12
Volume
12
Issue
4
Pages
309-318
ISSN
  • 0894-1491 (ISSN-L)
  • 1098-1136
OpenAlex
W2089389165
Cited by
209
References
33
Citations by year
2025: 2 · 2024: 7 · 2023: 5 · 2022: 5 · 2021: 8 · 2020: 7 · 2019: 4 · 2018: 9 · 2017: 8 · 2016: 5 · 2015: 6 · 2014: 3 · 2013: 4 · 2012: 6
FWCI
5.59
Type
journal article
Language
en
Open access
closed
Locations
  • Glia (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (5p01mh047667-05)
  • National Institute on Aging (AG60803)
  • National Institute of Mental Health (MH 47667)
  • National Institute of Neurological Disorders and Stroke (NS-11920)
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Health Sciences › Medicine › Clinical Neurology › Multiple Sclerosis Research Studies
Keywords
GM-CSF, macrophage colony-stimulating factor, microglial proliferation, colony-stimulating factors, LPS, proliferating cell nuclear antigen, IL-1β, multiple sclerosis, microglial activation, mitogenic signaling
MeSH terms
CD68 Molecule, Aged, Aged, 80 and over, Aging, Astrocytes, Cell Differentiation, Cell Division, Cell Survival, Cells, Cultured, Drug Synergism, Fetus, Humans, Lipopolysaccharides, Middle Aged, RNA, Messenger, Antigens, Differentiation, Myelomonocytic, Antigens, CD, Macrophage Colony-Stimulating Factor, Granulocyte-Macrophage Colony-Stimulating Factor, Microglia, Proliferating Cell Nuclear Antigen

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