Cited by 186Ion channel regulation and functionIon Transport and Channel RegulationHereditary Neurological Disorders

Three mechanisms assemble central nervous system nodes of Ranvier

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Susuki, Keiichiro, Chang, Kae-Jiun, Zollinger, Daniel R., Liu, Yanhong, Ogawa, Yasuhiro, Eshed-Eisenbach, Yael, Dours-Zimmermann, María T., Oses-Prieto, Juan A. +6 more·2013·Neuron

Abstract

Rapid action potential propagation in myelinated axons requires Na⁺ channel clustering at nodes of Ranvier. However, the mechanism of clustering at CNS nodes remains poorly understood. Here, we show that the assembly of nodes of Ranvier in the CNS involves three mechanisms: a glia-derived extracellular matrix (ECM) complex containing proteoglycans and adhesion molecules that cluster NF186, paranodal axoglial junctions that function as barriers to restrict the position of nodal proteins, and axonal cytoskeletal scaffolds (CSs) that stabilize nodal Na⁺ channels. We show that while mice with a single disrupted mechanism had mostly normal nodes, disruptions of the ECM and paranodal barrier, the ECM and CS, or the paranodal barrier and CS all lead to juvenile lethality, profound motor dysfunction, and significantly reduced Na⁺ channel clustering. Our results demonstrate that ECM, paranodal, and axonal cytoskeletal mechanisms ensure robust CNS nodal Na⁺ channel clustering.

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Authors
Susuki, K., Chang, K.-J., Zollinger, D. R., Liu, Y., Ogawa, Y., Eshed-Eisenbach, Y., Dours-Zimmermann, M. T., Oses-Prieto, J. A., Burlingame, A. L., Seidenbecher, C. I., Zimmermann, D. R., Oohashi, T., Peles, E., & Rasband, M. N.
Affiliations
  • Baylor College of Medicine (US)
  • University of California, San Francisco (US)
  • Leibniz Institute for Neurobiology (DE)
  • University Hospital Zurich (CH)
  • Okayama University (JP)
  • Weizmann Institute of Science (IL)
Corresponding author
Rasband, Matthew N.
Venue
Neuron
Publisher
Elsevier BV
Published
2013-05
Volume
78
Issue
3
Pages
469-482
ISSN
0896-6273 (ISSN-L)
OpenAlex
W2056897764
Cited by
186
References
54
Citations by year
2026: 8 · 2025: 16 · 2024: 13 · 2023: 13 · 2022: 8 · 2021: 14 · 2020: 17 · 2019: 14 · 2018: 14 · 2017: 11 · 2016: 12 · 2015: 21 · 2014: 17 · 2013: 8
FWCI
8.66
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
  • Zurich Open Repository and Archive (University of Zurich) (acceptedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
  • Zurich Open Repository and Archive (University of Zurich) (submittedVersion)
  • Zurich Open Repository and Archive (University of Zurich)
Funders
  • Dr. Miriam and Sheldon G. Adelson Medical Research Foundation
  • Ministry of Education, Culture, Sports, Science and Technology (24107516)
  • United States-Israel Binational Science Foundation
  • National Institutes of Health (NS044916, NS069688, NS50220)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ion channel regulation and function
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ion Transport and Channel Regulation
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Hereditary Neurological Disorders
Keywords
nodes of Ranvier, myelinated axons, action potential propagation, extracellular matrix, proteoglycans, adhesion molecules, central nervous system myelination, motor impairment
MeSH terms
Action Potentials, Animals, Axons, Central Nervous System, Cytoskeleton, Extracellular Matrix, Myelin Sheath, Proteoglycans, Ranvier's Nodes, Sodium Channels, Cell Adhesion Molecules, Mice, Knockout, Mice

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