State-dependent brainstem ensemble dynamics and their interactions with hippocampus across sleep states.


Journal

eLife
ISSN: 2050-084X
Titre abrégé: Elife
Pays: England
ID NLM: 101579614

Informations de publication

Date de publication:
14 01 2020
Historique:
received: 26 09 2019
accepted: 14 01 2020
pubmed: 15 1 2020
medline: 15 5 2021
entrez: 15 1 2020
Statut: epublish

Résumé

The brainstem plays a crucial role in sleep-wake regulation. However, the ensemble dynamics underlying sleep regulation remain poorly understood. Here, we show slow, state-predictive brainstem ensemble dynamics and state-dependent interactions between the brainstem and the hippocampus in mice. On a timescale of seconds to minutes, brainstem populations can predict pupil dilation and vigilance states and exhibit longer prediction power than hippocampal CA1 neurons. On a timescale of sub-seconds, pontine waves (P-waves) are accompanied by synchronous firing of brainstem neurons during both rapid eye movement (REM) and non-REM (NREM) sleep. Crucially, P-waves functionally interact with CA1 activity in a state-dependent manner: during NREM sleep, hippocampal sharp wave-ripples (SWRs) precede P-waves. On the other hand, P-waves during REM sleep are phase-locked with ongoing theta oscillations and are followed by burst firing of CA1 neurons. This state-dependent global coordination between the brainstem and hippocampus implicates distinct functional roles of sleep.

Identifiants

pubmed: 31934862
doi: 10.7554/eLife.52244
pii: 52244
pmc: PMC6996931
doi:
pii:

Types de publication

Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Subventions

Organisme : Biotechnology and Biological Sciences Research Council
ID : BB/M00905X/1
Pays : United Kingdom
Organisme : Leverhulme Trust
ID : RPG-2015-377
Organisme : Alzheimer's Research UK
ID : ARUK-PPG2017B-005
Organisme : RNID
ID : S45
Pays : United Kingdom
Organisme : Engineering and Physical Sciences Research Council
ID : EP/S005692/1
Organisme : Japan Science and Technology Agency
ID : JPMJPR1887
Organisme : Japan Society for the Promotion of Science
ID : 17H06520

Informations de copyright

© 2020, Tsunematsu et al.

Déclaration de conflit d'intérêts

TT, AP, AO, SS No competing interests declared

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Auteurs

Tomomi Tsunematsu (T)

Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, United Kingdom.
Super-Network Brain Physiology, Graduate School of Life Sciences, Tohoku University, Sendai, Japan.
Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, Sendai, Japan.
Precursory Research for Embryonic Science and Technology, Japan Science and Technology Agency, Kawaguchi, Japan.

Amisha A Patel (AA)

Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, United Kingdom.

Arno Onken (A)

School of Informatics, University of Edinburgh, Edinburgh, United Kingdom.

Shuzo Sakata (S)

Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, United Kingdom.

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