The regulation of glutamatergic nervous system in sleep-wake states and general anesthesia

The sleep-wake states and general anesthesia share many neurophysiological similarities, as both involve reversible changes in consciousness and modulation of brain activity. This paper reviews the role of glutamatergic neurons, the brain's primary excitatory neurons, in regulating sleep-wake s...

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Bibliographic Details
Main Authors: Wei Luo, Meiyi Duan, Enpeng Liang, Siwei Wang, Jie Yuan
Format: Article
Language:English
Published: Elsevier 2025-02-01
Series:Brain Research Bulletin
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Online Access:http://www.sciencedirect.com/science/article/pii/S0361923025000322
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Summary:The sleep-wake states and general anesthesia share many neurophysiological similarities, as both involve reversible changes in consciousness and modulation of brain activity. This paper reviews the role of glutamatergic neurons, the brain's primary excitatory neurons, in regulating sleep-wake states and general anesthesia. We discuss the involvement of glutamatergic neurons across various brain regions, including the brainstem, basal forebrain, thalamus, hypothalamus, and cortex, highlighting their contributions to physiological sleep-wake and anesthesia modulation. Recent advancements in techniques such as optogenetics, chemogenetics, and neural tracing have enhanced our understanding of these neurons' functions. Understanding these mechanisms can lead to improved therapeutic strategies for sleep disorders and more precise anesthetic practices, providing new avenues for clinical intervention.
ISSN:1873-2747