Cited by 102Neuroscience and Neuropharmacology ResearchGenetics and Neurodevelopmental DisordersRNA Research and Splicing

Rbfox1 Regulates Synaptic Transmission through the Inhibitory Neuron-Specific vSNARE Vamp1

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Vuong, Celine K., Wei, Weizheng, Lee, Ji-Ann, Lin, Chia-Ho, Damianov, Andrey, de la Torre-Ubieta, Luis, Halabi, Reem, Otis, Klara Olofsdotter +3 more·2018·Neuron

Abstract

Dysfunction of the neuronal RNA binding protein RBFOX1 has been linked to epilepsy and autism spectrum disorders. Rbfox1 loss in mice leads to neuronal hyper-excitability and seizures, but the physiological basis for this is unknown. We identify the vSNARE protein Vamp1 as a major Rbfox1 target. Vamp1 is strongly downregulated in Rbfox1 Nes-cKO mice due to loss of 3' UTR binding by RBFOX1. Cytoplasmic Rbfox1 stimulates Vamp1 expression in part by blocking microRNA-9. We find that Vamp1 is specifically expressed in inhibitory neurons, and that both Vamp1 knockdown and Rbfox1 loss lead to decreased inhibitory synaptic transmission and E/I imbalance. Re-expression of Vamp1 selectively within interneurons rescues the electrophysiological changes in the Rbfox1 cKO, indicating that Vamp1 loss is a major contributor to the Rbfox1 Nes-cKO phenotype. The regulation of interneuron-specific Vamp1 by Rbfox1 provides a paradigm for broadly expressed RNA-binding proteins performing specialized functions in defined neuronal subtypes.

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Crossref · 10.1016/j.neuron.2018.03.008

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  • Mouse experiments indicate RBFOX1 has distinct nuclear and cytoplasmic isoforms with differing functions.

    “Experiments in mouse indicate that RBFOX1 has distinct nuclear and cytoplasmic isoforms with differing functions, the nuclear isoform primarily regulating pre-mRNA alternative splicing, and the cytoplasmic isoform binding to the 3’ UTR to stabilize target transcripts involved in regulation of neuronal excitability (28, 32, 58, 60).”

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Research works printed but not linked: 1

  1. Bill BR Lowe JK Dybuncio CT Fogel BL 2013 Orchestration of neurodevelop-mental programs by RBFOX1: implications for autism spectrum disorder Int Rev Neurobiol 113 251 267 24290388 PMC4318517

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Authors
Vuong, C. K., Wei, W., Lee, J.-A., Lin, C.-H., Damianov, A., de la Torre-Ubieta, L., Halabi, R., Otis, K. O., Martin, K. C., O’Dell, T. J., & Black, D. L.
Affiliations
University of California, Los Angeles (US)
Corresponding author
Black, Douglas L.
Venue
Neuron
Publisher
Elsevier BV
Published
2018-04
Volume
98
Issue
1
Pages
127-141.e7
ISSN
0896-6273 (ISSN-L)
OpenAlex
W2796191989
Cited by
102
References
86
Citations by year
2026: 6 · 2025: 17 · 2024: 14 · 2023: 11 · 2022: 20 · 2021: 9 · 2020: 13 · 2019: 8 · 2018: 4
FWCI
3.87
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • National Institutes of Health (T32 GM007185, F31 NS093923, R21 MH101684, R01 MH060919, R01 GM114463)
  • National Alliance for Research on Schizophrenia and Depression
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Research and Splicing
Keywords
RBFOX1, VAMP1, synaptic transmission, inhibitory interneurons, 3' UTR regulation, miR-9, neuronal excitability, epilepsy, autism spectrum disorder
MeSH terms
RNA Splicing Factors, Animals, Cells, Cultured, Female, Male, Mice, Inbred C57BL, Mice, Transgenic, Neural Inhibition, Synaptic Transmission, Neurons, Mice, Knockout, SNARE Proteins, Vesicle-Associated Membrane Protein 1, Mice, Mice, 129 Strain

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