Neuron-astrocyte metabolic coupling facilitates spinal plasticity and maintenance of inflammatory pain.


Journal

Nature metabolism
ISSN: 2522-5812
Titre abrégé: Nat Metab
Pays: Germany
ID NLM: 101736592

Informations de publication

Date de publication:
05 Mar 2024
Historique:
received: 06 10 2022
accepted: 31 01 2024
medline: 6 3 2024
pubmed: 6 3 2024
entrez: 5 3 2024
Statut: aheadofprint

Résumé

Long-lasting pain stimuli can trigger maladaptive changes in the spinal cord, reminiscent of plasticity associated with memory formation. Metabolic coupling between astrocytes and neurons has been implicated in neuronal plasticity and memory formation in the central nervous system, but neither its involvement in pathological pain nor in spinal plasticity has been tested. Here we report a form of neuroglia signalling involving spinal astrocytic glycogen dynamics triggered by persistent noxious stimulation via upregulation of the Protein Targeting to Glycogen (PTG) in spinal astrocytes. PTG drove glycogen build-up in astrocytes, and blunting glycogen accumulation and turnover by Ptg gene deletion reduced pain-related behaviours and promoted faster recovery by shortening pain maintenance in mice. Furthermore, mechanistic analyses revealed that glycogen dynamics is a critically required process for maintenance of pain by facilitating neuronal plasticity in spinal lamina 1 neurons. In summary, our study describes a previously unappreciated mechanism of astrocyte-neuron metabolic communication through glycogen breakdown in the spinal cord that fuels spinal neuron hyperexcitability.

Identifiants

pubmed: 38443593
doi: 10.1038/s42255-024-01001-2
pii: 10.1038/s42255-024-01001-2
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Subventions

Organisme : European Commission (EC)
ID : ERC-CoG-772395
Organisme : Deutsche Forschungsgemeinschaft (German Research Foundation)
ID : SFB1158
Organisme : Deutsche Forschungsgemeinschaft (German Research Foundation)
ID : SFB1158
Organisme : Deutsche Forschungsgemeinschaft (German Research Foundation)
ID : SFB1158
Organisme : Deutsche Forschungsgemeinschaft (German Research Foundation)
ID : SFB1158
Organisme : Deutsche Forschungsgemeinschaft (German Research Foundation)
ID : SFB1158
Organisme : Human Frontier Science Program (HFSP)
ID : LT000762/2019-L

Informations de copyright

© 2024. The Author(s).

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Auteurs

Sebastián Marty-Lombardi (S)

Institute of Pharmacology, Heidelberg University, Heidelberg, Germany.

Shiying Lu (S)

Institute of Pharmacology, Heidelberg University, Heidelberg, Germany.
Oliver Wyman GmbH, Munich, Germany.

Wojciech Ambroziak (W)

Institute of Pharmacology, Heidelberg University, Heidelberg, Germany.
Department of Translational Disease Understanding, Grünenthal GmbH, Aachen, Germany.

Katrin Schrenk-Siemens (K)

Institute of Pharmacology, Heidelberg University, Heidelberg, Germany.

Jialin Wang (J)

Institute of Pharmacology, Heidelberg University, Heidelberg, Germany.

Anna A DePaoli-Roach (AA)

Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, IN, USA.

Anna M Hagenston (AM)

Department of Neurobiology, Interdisciplinary Center for Neurosciences (IZN), Heidelberg University, Heidelberg, Germany.

Hagen Wende (H)

Institute of Pharmacology, Heidelberg University, Heidelberg, Germany.
Taconic Biosciences, Leverkusen, Germany.

Anke Tappe-Theodor (A)

Institute of Pharmacology, Heidelberg University, Heidelberg, Germany.

Manuela Simonetti (M)

Institute of Pharmacology, Heidelberg University, Heidelberg, Germany.

Hilmar Bading (H)

Department of Neurobiology, Interdisciplinary Center for Neurosciences (IZN), Heidelberg University, Heidelberg, Germany.

Jürgen G Okun (JG)

Dietmar-Hopp-Metabolic Center, Division of Neuropaediatrics and Metabolic Medicine, Heidelberg University, Heidelberg, Germany.

Rohini Kuner (R)

Institute of Pharmacology, Heidelberg University, Heidelberg, Germany.
Molecular Medicine Partnership Unit (MMPU), European Molecular Biology Laboratory (EMBL), Heidelberg, Germany.

Thomas Fleming (T)

Department of Endocrinology, Diabetology, Metabolism and Clinical Chemistry (Internal Medicine 1), Heidelberg University Hospital, Heidelberg, Germany.
German Center of Diabetes Research (DZD), Neuherberg, Germany.

Jan Siemens (J)

Institute of Pharmacology, Heidelberg University, Heidelberg, Germany. jan.siemens@pharma.uni-heidelberg.de.
Molecular Medicine Partnership Unit (MMPU), European Molecular Biology Laboratory (EMBL), Heidelberg, Germany. jan.siemens@pharma.uni-heidelberg.de.

Classifications MeSH