Cited by 42Photoreceptor and optogenetics researchNeuroscience and Neural EngineeringNeuroscience and Neuropharmacology Research

Optical control of neuronal excitation and inhibition using a single opsin protein, ChR2

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Liske, Holly, Qian, Xiang, Anikeeva, Polina, Deisseroth, Karl, Delp, Scott·2013·Scientific Reports

Abstract

The effect of electrical stimulation on neuronal membrane potential is frequency dependent. Low frequency electrical stimulation can evoke action potentials, whereas high frequency stimulation can inhibit action potential transmission. Optical stimulation of channelrhodopsin-2 (ChR2) expressed in neuronal membranes can also excite action potentials. However, it is unknown whether optical stimulation of ChR2-expressing neurons produces a transition from excitation to inhibition with increasing light pulse frequencies. Here we report optical inhibition of motor neuron and muscle activity in vivo in the cooled sciatic nerves of Thy1-ChR2-EYFP mice. We also demonstrate all-optical single-wavelength control of neuronal excitation and inhibition without co-expression of inhibitory and excitatory opsins. This all-optical system is free from stimulation-induced electrical artifacts and thus provides a new approach to investigate mechanisms of high frequency inhibition in neuronal circuits in vivo and in vitro.

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Authors
Liske, H., Qian, X., Anikeeva, P., Deisseroth, K., & Delp, S.
Affiliations
  • Stanford University (US)
  • Stanford Medicine (US)
  • Massachusetts Institute of Technology (US)
Corresponding author
Delp, Scott
Venue
Scientific Reports
Published
2013-10-31
Volume
3
Issue
1
Pages
3110-3110
ISSN
2045-2322 (ISSN-L)
OpenAlex
W2148043484
Cited by
42
References
49
Citations by year
2025: 1 · 2024: 3 · 2023: 1 · 2022: 1 · 2020: 7 · 2019: 2 · 2018: 6 · 2017: 4 · 2016: 7 · 2015: 5 · 2014: 5
FWCI
2.78
Type
journal article
Language
en
Open access
Locations
  • Scientific Reports (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DSpace@MIT (Massachusetts Institute of Technology) (submittedVersion, cc-by-nc)
Funders
  • McGill University
  • National Institutes of Health
  • Stanford Bio-X
  • National Institute of General Medical Sciences (T32GM008412)
  • National Institute of Neurological Disorders and Stroke (R01NS080954)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Photoreceptor and optogenetics research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neural Engineering
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
channelrhodopsin-2, optogenetics, neuronal excitation, neuronal inhibition, motor neurons, sciatic nerve, action potential propagation
MeSH terms
Channelrhodopsins, Animals, Female, Light, Male, Membrane Potentials, Mice, Transgenic, Neurons, Temperature, Mice

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