Cited by 104Proteoglycans and glycosaminoglycans researchNeurogenesis and neuroplasticity mechanismsNerve injury and regeneration

Brevican distinctively assembles extracellular components at the large diameter nodes of Ranvier in the CNS

Bekku, Yoko, Rauch, Uwe, Ninomiya, Yoshifumi, Oohashi, Toshitaka·2009·Journal of Neurochemistry

Abstract

Brevican is known to be an abundant extracellular matrix component in the adult brain and a structural constituent of perineuronal nets. We herein show that brevican, tenascin‐R (TN‐R) and phosphacan are present at the nodes of Ranvier on myelinated axons with a particularly large diameter in the central nervous system. A brevican deficiency resulted in a reorganization of the nodal matrices, which was characterized by the shift of TN‐R, and concomitantly phosphacan, from an axonal diameter‐dependent association with nodes to an axonal diameter independent association. Supported by the co‐immunoprecipitation results, these observations indicate that the presence of TN‐R and phosphacan at nodes is normally brevican‐dependent, while in the absence of brevican these molecules can also be recruited by versican V2. The versican V2 and Bral1 distribution was not affected, thus indicating a brevican‐independent role of these two molecules for establishing hyaluronan‐binding matrices at the nodes. Our results revealed that brevican plays a crucial role in determining the specialization of the hyaluronan‐binding nodal matrix assemblies in large diameter nodes.

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Crossref · 10.1111/j.1471-4159.2009.05873.x

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Authors
Bekku, Y., Rauch, U., Ninomiya, Y., & Oohashi, T.
Affiliations
  • Okayama University (JP)
  • Lund University (SE)
Corresponding author
Oohashi, Toshitaka
Venue
Journal of Neurochemistry
Publisher
Wiley
Published
2009-02-09
Volume
108
Issue
5
Pages
1266-1276
ISSN
  • 0022-3042 (ISSN-L)
  • 1471-4159
OpenAlex
W2015565810
Cited by
104
References
21
Citations by year
2026: 2 · 2025: 3 · 2024: 5 · 2023: 3 · 2022: 7 · 2021: 5 · 2020: 7 · 2019: 6 · 2018: 6 · 2017: 7 · 2016: 3 · 2015: 11 · 2014: 3 · 2013: 9 · 2012: 7
FWCI
4.00
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Neurochemistry (publishedVersion)
  • PubMed (publishedVersion)
  • Lund University Publications (Lund University) (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Proteoglycans and glycosaminoglycans research
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nerve injury and regeneration
Keywords
brevican, nodes of Ranvier, myelinated axons, axon diameter, extracellular matrix assembly, tenascin-R, phosphacan, perineuronal nets, central nervous system
MeSH terms
Age Factors, Animals, Animals, Newborn, Axons, Central Nervous System, Hyaluronic Acid, Nerve Tissue Proteins, Chondroitin Sulfate Proteoglycans, Ranvier's Nodes, Mice, Knockout, Gene Expression Regulation, Developmental, Tenascin, Lectins, C-Type, Immunoprecipitation, Mice, Receptor-Like Protein Tyrosine Phosphatases, Class 5, Brevican

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