Cited by 38Neuroscience and Neuropharmacology ResearchNeurotransmitter Receptor Influence on BehaviorMedicinal Plant Extracts Effects

Riluzole produces distinct anxiolytic-like effects in rats without the adverse effects associated with benzodiazepines

Sugiyama, Azusa, Saitoh, Akiyoshi, Iwai, Takashi, Takahashi, Kou, Yamada, Misa, Sasaki-Hamada, Sachie, Oka, Jun-Ichiro, Inagaki, Masatoshi +1 more·2012·Neuropharmacology

Abstract

In this study, we investigated the anxiolytic-like effect of riluzole using three different innate anxiety models in rats. In the elevated plus-maze test, riluzole significantly increased the time spent in, and entries into, the open arm after 60 min administration. This finding was supported by results obtained from light/dark and open-field tests. The magnitude of the anxiolytic-like effects of riluzole in each of the behavioral models was similar to those produced by a benzodiazepine, diazepam, suggesting that riluzole has a robust anxiolytic-like activity in rats. To clarify the involvement of sodium channels in this anxiolytic activity, we examined the effect of a co-administered sodium channel activator, veratrine. The anxiolytic-like action of riluzole was diminished by veratrine in the elevated plus-maze, light/dark and open-field tests. Based on these results, it is suggested that the anxiolytic mechanism of riluzole is clearly distinct from that of diazepam. In addition, to examine whether riluzole directly and non-selectively affected the GABA(A)-benzodiazepine receptor complex, we performed three behavioral tests (footprint analysis, Y-maze test and the ethanol-induced sleeping time test) that are closely related to the GABA(A)-benzodiazepine pathways. In contrast to diazepam, riluzole produced no significant effects in these tests. Here, we provide the first report demonstrating that riluzole produces distinct anxiolytic-like effects in rats without the adverse effects associated with benzodiazepines.

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Crossref · 10.1016/j.neuropharm.2012.02.012

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  • In rodents, a single dose of riluzole produces clear anxiolytic effects in a dose-dependent manner without evidence of oversedation, amnesia or coordinative problems as seen with BDZs.

    “In rodents, a single dose of riluzole produces clear anxiolytic effects in a dose-dependent manner (Sugiyama et al., 2012) without evidence of oversedation, amnesia or coordinative problems as seen with BDZs.”

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Authors
Sugiyama, A., Saitoh, A., Iwai, T., Takahashi, K., Yamada, M., Sasaki-Hamada, S., Oka, J.-I., Inagaki, M., & Yamada, M.
Affiliations
  • Tokyo University of Science (JP)
  • National Center of Neurology and Psychiatry (JP)
Corresponding author
Saitoh, Akiyoshi
Venue
Neuropharmacology
Publisher
Elsevier BV
Published
2012-06
Volume
62
Issue
8
Pages
2489-2498
ISSN
0028-3908 (ISSN-L)
OpenAlex
W2022550311
Cited by
38
References
55
Citations by year
2026: 1 · 2024: 1 · 2023: 4 · 2022: 2 · 2021: 3 · 2020: 2 · 2019: 2 · 2018: 2 · 2017: 5 · 2016: 2 · 2015: 3 · 2014: 5 · 2013: 4 · 2012: 2
FWCI
1.84
Type
journal article
Language
en
Open access
closed
Locations
  • Neuropharmacology (publishedVersion)
  • PubMed (publishedVersion)
Funders
Ministry of Health, Labour and Welfare
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Health Sciences › Medicine › Complementary and alternative medicine › Medicinal Plant Extracts Effects
Keywords
riluzole, anxiolytic-like effects, benzodiazepine adverse effects, diazepam, sodium channels, veratrine, anxiety models, elevated plus maze, light/dark test, ethanol-induced sleep, Y-maze
MeSH terms
Animals, Anxiety, Behavior, Animal, Benzodiazepines, Diazepam, Exploratory Behavior, Male, Motor Activity, Anti-Anxiety Agents, Rats, Wistar, Riluzole, Rats

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