Cited by 90Amyotrophic Lateral Sclerosis ResearchNeuroinflammation and Neurodegeneration MechanismsProteoglycans and glycosaminoglycans research

CD44 expression in astrocytes and microglia is associated with ALS progression in a mouse model

Matsumoto, Tomohiro, Imagama, Shiro, Hirano, Kenichi, Ohgomori, Tomohiro, Natori, Takamitsu, Kobayashi, Kazuyoshi, Muramoto, Akio, Ishiguro, Naoki +1 more·2012·Neuroscience Letters

Abstract

Amyotrophic lateral sclerosis (ALS) is a motor neuron-specific neurodegenerative disease. An increasing body of evidence suggests that, in addition to cell autonomous regulation, i.e., pathological changes in motor neurons, non-cell autonomous mechanisms involving glial cells play critical roles in the pathogenesis of ALS. CD44 functions as a receptor for osteopontin and hyaluronan, and has been implicated in inflammation associated with neuronal injuries. However, this membrane glycoprotein has been poorly studied in ALS. Here we investigated its expression during ALS progression using SOD1(G93A) mice. CD44 expression increased around the onset of disease and then increased continuously. Astrocytes and microglia expressed CD44 in vivo. Consistent with these findings, primary cultured microglia began to express CD44 upon activation with LPS and interferon-γ. CD44 expression in primary cultured astrocytes was also enhanced by activation with interferon-γ+TNF-α or bFGF alone. As CD44 was detected in cell lysate, but not in culture media of astrocytes and microglia, it was likely that these glial cells expressed a membrane-bound form of CD44. Our study demonstrates that CD44 expression in astrocytes and microglia is closely associated with the pathogenesis of ALS, and suggests that inflammatory responses involving CD44 may play a role in this disease.

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Crossref · 10.1016/j.neulet.2012.05.048

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Authors
Matsumoto, T., Imagama, S., Hirano, K., Ohgomori, T., Natori, T., Kobayashi, K., Muramoto, A., Ishiguro, N., & Kadomatsu, K.
Affiliations
  • Nagoya University (JP)
  • Yamanashi Gakuin University (JP)
Corresponding author
Kadomatsu, Kenji
Venue
Neuroscience Letters
Publisher
Elsevier BV
Published
2012-06
Volume
520
Issue
1
Pages
115-120
ISSN
0304-3940 (ISSN-L)
OpenAlex
W2005347777
Cited by
80
References
27
Citations by year
2026: 8 · 2025: 8 · 2024: 21 · 2023: 5 · 2022: 3 · 2021: 4 · 2020: 4 · 2019: 7 · 2018: 3 · 2017: 3 · 2016: 1 · 2015: 6 · 2014: 2 · 2013: 4 · 2012: 1
FWCI
2.71
Type
journal article
Language
en
Open access
closed
Locations
  • Neuroscience Letters (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Ministry of Education, Culture, Sports, Science and Technology (18390099, 20390092)
  • Ministry of Health, Labour and Welfare (H21-012)
Topics
  • Health Sciences › Medicine › Neurology › Amyotrophic Lateral Sclerosis Research
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Proteoglycans and glycosaminoglycans research
Keywords
CD44, amyotrophic lateral sclerosis, astrocytes, microglia, SOD1 G93A mice, non-cell autonomous neurodegeneration, glial inflammation, osteopontin, hyaluronic acid, interferon-gamma, lipopolysaccharide, TNF-α, basic fibroblast growth factor, microglial activation, disease progression
MeSH terms
Superoxide Dismutase-1, Amyotrophic Lateral Sclerosis, Animals, Astrocytes, Brain, Cells, Cultured, Disease Models, Animal, Mice, Transgenic, Spinal Cord, Superoxide Dismutase, Microglia, Hyaluronan Receptors, Mice

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