Cited by 70Genetics and Neurodevelopmental DisordersEpilepsy research and treatmentPharmacological Effects and Toxicity Studies

Audiogenic seizure susceptibility is reduced in fragile X knockout mice after introduction of FMR1 transgenes

Musumeci, Sebastiano A., Calabrese, Giuseppe, Bonaccorso, Carmela M., D'Antoni, Simona, Brouwer, Judith R., Bakker, Cathy E., Elia, Maurizio, Ferri, Raffaele +3 more·2007·Experimental Neurology

Abstract

The Fmr1 knockout (KO) mouse is characterized by an increased audiogenic seizure (AGS) susceptibility and is considered a good animal model for epilepsy and seizures in the human fragile-X (FRAX) syndrome. Here, we tested the hypothesis that the reintroduction of the FMR1 gene is able to revert the AGS susceptibility characterizing Fmr1 KO mice. To this aim, two groups of Fmr1 KO transgenic mice, which have additional copies of the human FMR1 gene (YAC) or FMR1 cDNA (G6) were used. AGS susceptibility of these mice was examined and compared to that of Fmr1 KO, wild type, and wild-type animals in whom the FMR1gene was also introduced (over-expressed). Mice were tested at different ages because AGS susceptibility is age dependent. The intensity of response was scored and the results were analyzed by means of 2-way analysis of variance to evaluate the effects of age and genetic condition. We found that AGS susceptibility rescue is complete in the G6 mice and partial in YAC mice. Our data indicate that the introduction of the human FMR1 gene in Fmr1 KO mice is able to revert the Fmr1 KO epileptic phenotype.

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Crossref · 10.1016/j.expneurol.2006.08.007

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Authors
Musumeci, S. A., Calabrese, G., Bonaccorso, C. M., D'Antoni, S., Brouwer, J. R., Bakker, C. E., Elia, M., Ferri, R., Nelson, D. L., Oostra, B. A., & Catania, M. V.
Affiliations
  • Oasi Maria SS (IT)
  • Erasmus University Rotterdam (NL)
  • Baylor College of Medicine (US)
Corresponding author
Musumeci, Sebastiano A.
Venue
Experimental Neurology
Publisher
Elsevier BV
Published
2007-01
Volume
203
Issue
1
Pages
233-240
ISSN
0014-4886 (ISSN-L)
OpenAlex
W2134884548
Cited by
70
References
41
Citations by year
2026: 3 · 2025: 2 · 2024: 1 · 2023: 1 · 2022: 5 · 2021: 4 · 2020: 2 · 2019: 5 · 2018: 2 · 2017: 8 · 2016: 5 · 2015: 4 · 2014: 3 · 2013: 6 · 2012: 3
FWCI
1.33
Type
journal article
Language
en
Open access
closed
Locations
  • Experimental Neurology (publishedVersion)
  • PubMed (publishedVersion)
  • EUR Research Repository (Erasmus University Rotterdam) (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Health Sciences › Medicine › Psychiatry and Mental health › Epilepsy research and treatment
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Pharmacological Effects and Toxicity Studies
Keywords
audiogenic seizures, fragile X syndrome, FMR1 gene, Fmr1 knockout mice, gene rescue, transgenic mice, epilepsy, seizure susceptibility
MeSH terms
Acoustic Stimulation, Age Factors, Aging, Animals, Brain, Disease Models, Animal, Epilepsy, Fragile X Syndrome, Humans, Transfection, Genetic Therapy, Mice, Knockout, Transgenes, Genetic Predisposition to Disease, Epilepsy, Reflex, Mice, Fragile X Mental Retardation Protein, Fragile X Messenger Ribonucleoprotein 1

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