Cited by 215Nerve injury and regenerationNeurogenesis and neuroplasticity mechanismsAxon Guidance and Neuronal Signaling

Inhibition of Rho kinase (ROCK) increases neurite outgrowth on chondroitin sulphate proteoglycan in vitro and axonal regeneration in the adult optic nerve in vivo

Lingor, Paul, Teusch, Nicole, Schwarz, Katrin, Mueller, Reinhold, Mack, Helmut, Bähr, Mathias, Mueller, Bernhard K.·2007·Journal of Neurochemistry

Abstract

Inhibitory molecules derived from CNS myelin and glial scar tissue are major causes for insufficient functional regeneration in the mammalian CNS. A multitude of these molecules signal through the Rho/Rho kinase (ROCK) pathway. We evaluated three inhibitors of ROCK, Y- 27632, Fasudil (HA-1077), and Dimethylfasudil (H-1152), in models of neurite outgrowth in vitro. We show, that all three ROCK inhibitors partially restore neurite outgrowth of Ntera-2 neurons on the inhibitory chondroitin sulphate proteoglycan substrate. In the rat optic nerve crush model Y-27632 dose-dependently increased regeneration of retinal ganglion cell axons in vivo. Application of Dimethylfasudil showed a trend towards increased axonal regeneration in an intermediate concentration. We demonstrate that inhibition of ROCK can be an effective therapeutic approach to increase regeneration of CNS neurons. The selection of a suitable inhibitor with a broad therapeutic window, however, is crucial in order to minimize unwanted side effects and to avoid deleterious effects on nerve fiber growth.

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Crossref · 10.1111/j.1471-4159.2007.04756.x

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  • RhoA integrates molecular signals to organize sophisticated and coordinated variations in gene expression and actin cytoskeleton, crucial processes for neurite outgrowth and synaptic connectivity.

    “It integrates molecular signals to organize sophisticated and coordinated variations in gene expression and actin cytoskeleton, crucial processes for the neurite outgrowth and synaptic connectivity [53,54].”

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Authors
Lingor, P., Teusch, N., Schwarz, K., Mueller, R., Mack, H., Bähr, M., & Mueller, B. K.
Affiliations
  • University of Göttingen (DE)
  • Abbott (Germany) (DE)
Corresponding author
  • Bähr, Mathias
  • Mueller, Bernhard K.
Venue
Journal of Neurochemistry
Publisher
Wiley
Published
2007-06-09
Volume
103
Issue
1
Pages
181-189
ISSN
  • 0022-3042 (ISSN-L)
  • 1471-4159
OpenAlex
W2011497398
Cited by
214
References
37
Citations by year
2026: 3 · 2025: 5 · 2024: 4 · 2023: 3 · 2022: 13 · 2021: 5 · 2020: 14 · 2019: 9 · 2018: 15 · 2017: 10 · 2016: 17 · 2015: 15 · 2014: 23 · 2013: 17 · 2012: 14
FWCI
4.10
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Neurochemistry (publishedVersion)
  • PubMed (publishedVersion)
  • GRO (submittedVersion)
Funders
Deutsche Forschungsgemeinschaft
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nerve injury and regeneration
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Axon Guidance and Neuronal Signaling
Keywords
Rho kinase inhibition, ROCK inhibitor, neurite outgrowth, chondroitin sulfate proteoglycans, axon regeneration, optic nerve crush, retinal ganglion cells, Y-27632, fasudil, glial scar, central nervous system regeneration
MeSH terms
Amides, Animals, Axons, Cell Line, Dose-Response Relationship, Drug, Enzyme Inhibitors, Female, Humans, Nerve Crush, Nerve Regeneration, Neurons, Optic Nerve, Chondroitin Sulfate Proteoglycans, Pyridines, Neurites, Rats, Wistar, Protein Serine-Threonine Kinases, 1-(5-Isoquinolinesulfonyl)-2-Methylpiperazine, Optic Nerve Injuries, Intracellular Signaling Peptides and Proteins, Rats, rho-Associated Kinases

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