[HTML][HTML] Astrocytic Ca2+ signaling is reduced during sleep and is involved in the regulation of slow wave sleep

L Bojarskaite, DM Bjørnstad, KH Pettersen… - Nature …, 2020 - nature.com
Astrocytic Ca2+ signaling has been intensively studied in health and disease but has not
been quantified during natural sleep. Here, we employ an activity-based algorithm to assess …

[HTML][HTML] Distinct astrocytic modulatory roles in sensory transmission during sleep, wakefulness, and arousal states in freely moving mice

F Wang, W Wang, S Gu, D Qi, NA Smith… - Nature …, 2023 - nature.com
Despite extensive research on astrocytic Ca2+ in synaptic transmission, its contribution to
the modulation of sensory transmission during different brain states remains largely …

[PDF][PDF] A role for astroglial calcium in mammalian sleep and sleep regulation

AM Ingiosi, CR Hayworth, DO Harvey, KG Singletary… - Current Biology, 2020 - cell.com
Mammalian sleep expression and regulation have historically been thought to reflect the
activity of neurons. Changes in other brain cells (glia) across the sleep-wake cycle and their …

[PDF][PDF] Astroglial calcium signaling encodes sleep need in Drosophila

ID Blum, MF Keleş, ES Baz, E Han, K Park, S Luu… - Current Biology, 2021 - cell.com
Sleep is under homeostatic control, whereby increasing wakefulness generates sleep need
and triggers sleep drive. However, the molecular and cellular pathways by which sleep need …

[HTML][HTML] Adenosine-independent regulation of the sleep–wake cycle by astrocyte activity

W Peng, X Liu, G Ma, Z Wu, Z Wang, X Fei, M Qin… - Cell discovery, 2023 - nature.com
Astrocytes play a crucial role in regulating sleep–wake behavior, and adenosine signaling is
generally thought to be involved. Here we show multiple lines of evidence supporting that …

A role for the cortex in sleep–wake regulation

LB Krone, T Yamagata, C Blanco-Duque… - Nature …, 2021 - nature.com
Cortical and subcortical circuitry are thought to play distinct roles in the generation of sleep
oscillations and global state control, respectively. Here we silenced a subset of neocortical …

[PDF][PDF] Involvement of Ca2+-dependent hyperpolarization in sleep duration in mammals

F Tatsuki, GA Sunagawa, S Shi, EA Susaki… - Neuron, 2016 - cell.com
The detailed molecular mechanisms underlying the regulation of sleep duration in mammals
are still elusive. To address this challenge, we constructed a simple computational model …

Cell-type-specific dynamics of calcium activity in cortical circuits over the course of slow-wave sleep and rapid eye movement sleep

N Niethard, S Brodt, J Born - Journal of Neuroscience, 2021 - Soc Neuroscience
Sleep shapes cortical network activity, fostering global homeostatic downregulation of
excitability while maintaining or even upregulating excitability in selected networks in a …

Neuro-orchestration of sleep and wakefulness

BA Sulaman, S Wang, J Tyan… - Nature neuroscience, 2023 - nature.com
Although considered an inactive state for centuries, sleep entails many active processes
occurring at the cellular, circuit and organismal levels. Over the last decade, several key …

Impaired astrocytic Ca2+ signaling in awake-behaving Alzheimer's disease transgenic mice

KS Åbjørsbråten, GHES Skaaraas, C Cunen… - Elife, 2022 - elifesciences.org
Increased astrocytic Ca2+ signaling has been shown in Alzheimer's disease mouse models,
but to date no reports have characterized behaviorally induced astrocytic Ca2+ signaling in …