Cited by 249Genetics and Neurodevelopmental DisordersNeuroscience and Neuropharmacology ResearchDown syndrome and intellectual disability research

Reversal of Disease-Related Pathologies in the Fragile X Mouse Model by Selective Activation of GABA B Receptors with Arbaclofen

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Henderson, Christina, Wijetunge, Lasani, Kinoshita, Mika Nakamoto, Shumway, Matthew, Hammond, Rebecca S., Postma, Friso R., Brynczka, Christopher, Rush, Roger +8 more·2012·Science Translational Medicine

Abstract

Pharmacological activation of the GABA B receptor with arbaclofen in a mouse model of fragile X syndrome corrects neuronal defects associated with the disease.

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Crossref · 10.1126/scitranslmed.3004218

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  • Activation of the GABA B receptor by arbaclofen decreased mRNA translation in the cortex of fragile X mice and corrected increased spine density.

    “Activation of the GABA B receptor by arbaclofen decreased mRNA translation in the cortex of fragile X mice and corrected the increased spine density 78 .”

    From Progress toward treatments for synaptic defects in autism (2013) · cites this paper as [78]

  • GABAB agonists such as baclofen or arbaclofen correct excessive protein synthesis and multiple phenotypes in Fmr1-knockout mice.

    “Administration of GABAB agonists, such as baclofen or arbaclofen, corrects exacerbated protein synthesis and multiple phenotypes in Fmr1-KO mice37–39.”
  • In Fmr1-knockout mice, mGluR antagonists, GABAB agonists, and gene reinstatement beginning in young adult or adult mice can fully correct most behavioural, physiological, biochemical, and neuroanatomical alterations.

    “treatment with mGluR antagonists (mavoglurant) and GABAB agonists (arbaclofen), as well as gene reinstatement in Fmr1-KO mice starting in young adult or adult mice, can fully correct most behavioural, physiological, biochemical and neuroanatomical alterations30,32,37.”
  • No human data are available for spinocerebellar ataxia type 1 because no suitable drug for clinical trials exists.

    “No human data are available for SCA1 in the absence of a drug suitable for clinical trials30,32,37.”
  • Arbaclofen has rescued behavioral deficits including social deficits in mouse models of idiopathic ASD, deletion of 16p11.2, and FXS.

    “For many subtypes of ASD, there is a GABAB deficit and arbaclofen has rescued the behavioral deficits including social deficits in the mouse models of idiopathic ASD [127], deletion of 16p11.2 [128], and FXS [129].”

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Authors
Henderson, C., Wijetunge, L., Kinoshita, M. N., Shumway, M., Hammond, R. S., Postma, F. R., Brynczka, C., Rush, R., Thomas, A., Paylor, R., Warren, S. T., Vanderklish, P. W., Kind, P. C., Carpenter, R. L., Bear, M. F., & Healy, A. M.
Affiliations
  • Seaside Therapeutics (United States) (US)
  • University of Edinburgh (GB)
  • Emory University (US)
  • Baylor College of Medicine (US)
  • Scripps Research Institute (US)
  • Massachusetts Institute of Technology (US)
Corresponding author
Healy, Aileen M.
Venue
Science Translational Medicine
Published
2012-09-19
Volume
4
Issue
152
Pages
152ra128-152ra128
ISSN
  • 1946-6234 (ISSN-L)
  • 1946-6242
OpenAlex
W2096270532
Cited by
249
References
102
Citations by year
2026: 7 · 2025: 9 · 2024: 9 · 2023: 8 · 2022: 20 · 2021: 21 · 2020: 10 · 2019: 20 · 2018: 8 · 2017: 32 · 2016: 14 · 2015: 25 · 2014: 24 · 2013: 31 · 2012: 11
FWCI
17.48
Type
journal article
Language
en
Open access
Locations
  • Science Translational Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
Eunice Kennedy Shriver National Institute of Child Health and Human Development (HD 24064, HD020521, R01HD020521, P30HD024064, R37HD020521)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Down syndrome and intellectual disability research
Keywords
fragile X syndrome, GABAB receptors, baclofen, Fmr1 knockout mice, FMRP, synaptic protein synthesis, dendritic spine morphology, AMPA receptor internalization, mRNA translation, synaptic dysfunction, intellectual disability, autism spectrum disorder, hippocampus
MeSH terms
Animals, Baclofen, Behavior, Animal, Disease Models, Animal, Fragile X Syndrome, Hippocampus, Male, Phenotype, Polyribosomes, Seizures, Synapses, Protein Biosynthesis, Receptors, GABA-B, Receptors, AMPA, Mice, Knockout, Protein Transport, Dendritic Spines, Mice, Fragile X Messenger Ribonucleoprotein 1, GABA-B Receptor Agonists, Drinking Water

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