Cited by 124Proteoglycans and glycosaminoglycans researchNeurogenesis and neuroplasticity mechanismsBarrier Structure and Function Studies

Bral1, a brain-specific link protein, colocalizing with the versican V2 isoform at the nodes of Ranvier in developing and adult mouse central nervous systems

Oohashi, Toshitaka, Hirakawa, Satoshi, Bekku, Yoko, Rauch, Uwe, Zimmermann, Dieter R., Su, Wei-Dong, Ohtsuka, Aiji, Murakami, Takuro +1 more·2002·Molecular and Cellular Neuroscience

Abstract

Bral1, a brain-specific hyaluronan-binding protein, has been cloned recently. To gain insight into the role of Bral1, we generated a specific antibody against this protein. We have examined the detailed localization pattern of Bral1 protein and compared it with that of other members of the lectican proteoglycan family, such as brevican and versican, with which Bral1 is predicted to interact. The immunoreactivity of Bral1 antibody was predominantly observed in myelinated fiber tracts in the adult brain and could be detected at P20 in the white matter of the developing cerebellum, suggesting that expression starts when axonal myelination takes place. Furthermore, immunostaining demonstrated that Bral1 colocalized with the versican V2 isoform at the nodes of Ranvier. The present data suggest that Bral1 may play a pivotal role in the formation of the hyaluronan-associated matrix in the CNS that facilitates neuronal conduction by forming an ion diffusion barrier at the nodes.

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Crossref · 10.1006/mcne.2001.1061

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Authors
Oohashi, T., Hirakawa, S., Bekku, Y., Rauch, U., Zimmermann, D. R., Su, W.-D., Ohtsuka, A., Murakami, T., & Ninomiya, Y.
Affiliations
  • Okayama University (JP)
  • Lund University (SE)
  • University of Zurich (CH)
Venue
Molecular and Cellular Neuroscience
Publisher
Elsevier BV
Published
2002-01
Volume
19
Issue
1
Pages
43-57
ISSN
1044-7431 (ISSN-L)
OpenAlex
W1980283213
Cited by
124
References
36
Citations by year
2026: 1 · 2025: 3 · 2024: 2 · 2023: 4 · 2022: 2 · 2021: 3 · 2020: 8 · 2019: 6 · 2018: 3 · 2017: 6 · 2016: 4 · 2015: 6 · 2014: 6 · 2013: 5 · 2012: 5
FWCI
3.29
Type
journal article
Language
en
Open access
closed
Locations
  • Molecular and Cellular Neuroscience (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 › Neurology › Barrier Structure and Function Studies
Keywords
nodes of Ranvier, hyaluronan-binding protein, brevican, axonal myelination, white matter development, cerebellum, ion diffusion barrier, central nervous system development
MeSH terms
Proteoglycan Link Protein, Amino Acid Sequence, Animals, Antibodies, Central Nervous System, Extracellular Matrix, Hyaluronic Acid, Immunohistochemistry, Isomerism, Mice, Inbred Strains, Molecular Sequence Data, Nerve Tissue Proteins, Neurons, Peptide Fragments, Chondroitin Sulfate Proteoglycans, Proteoglycans, Rabbits, Ranvier's Nodes, Gene Expression Regulation, Developmental, Lectins, C-Type, Mice, Versicans

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