Cited by 269Sleep and Wakefulness ResearchNeurotransmitter Receptor Influence on BehaviorNeuroscience of respiration and sleep

Optogenetic activation of dopamine neurons in the ventral tegmental area induces reanimation from general anesthesia

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Taylor, Norman E., Van Dort, Christa J., Kenny, Jonathan D., Pei, JunZhu, Guidera, Jennifer A., Vlasov, Ksenia Y., Lee, Justin T., Boyden, Edward S. +2 more·2016·Proceedings of the National Academy of Sciences

Abstract

Significance: Although dopamine is known to promote wakefulness, the specific dopamine circuits in the brain that regulate arousal are not clear. Here we report that selective optogenetic stimulation of ventral tegmental area (VTA) dopamine neurons in mice produces a powerful arousal response sufficient to restore conscious behaviors, including the righting reflex, during continuous, steady-state general anesthesia. Although previous studies found that VTA dopamine neurons do not appear to play a central role in regulating sleep–wake transitions, our findings demonstrate that selective stimulation of these neurons is sufficient to induce the transition from an unconscious, anesthetized state to an awake state. These results suggest that VTA DA neurons play a critical role in promoting wakefulness.

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  • Causal reactivation of some wake-promoting neurons during emergence has been explored with electrical, optogenetic, and chemogenetic methods in rodents and suggested in humans.

    “the causal reactivation of some wake-promoting neurons during emergence from the anesthetic state has been explored using approaches such as electrical stimulation, optogenetics, and chemogenetics [115–118] in rodents and suggested in humans [119].”

    From The Biology of General Anesthesia from Paramecium to Primate (2019) · cites this paper as [115]

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Authors
Taylor, N. E., Van Dort, C. J., Kenny, J. D., Pei, J., Guidera, J. A., Vlasov, K. Y., Lee, J. T., Boyden, E. S., Brown, E. N., & Solt, K.
Affiliations
  • Harvard University (US)
  • Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA 02114;
  • Massachusetts General Hospital (US)
  • MIT Media Lab (US)
Venue
Proceedings of the National Academy of Sciences
Published
2016-10-24
Volume
113
Issue
45
Pages
12826-12831
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2532052289
Cited by
269
References
55
Citations by year
2026: 22 · 2025: 31 · 2024: 43 · 2023: 26 · 2022: 18 · 2021: 40 · 2020: 27 · 2019: 21 · 2018: 27 · 2017: 11 · 2012: 1
FWCI
12.52
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • DSpace@MIT (Massachusetts Institute of Technology) (submittedVersion)
Funders
HHS | NIH | National Institute of General Medical Sciences (TR01-GM104948, T32-GM07592)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Neuroscience of respiration and sleep
Keywords
ventral tegmental area, dopaminergic neurons, optogenetic stimulation, general anesthesia, arousal, wakefulness, consciousness, righting reflex, sleep-wake transition, anesthetic reversal

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