State-Dependent Changes in Brain Glycogen Metabolism

Mauro DiNuzzo*, Anne B. Walls, Gülin Öz, Elizabeth R. Seaquist, Helle S. Waagepetersen, Lasse K. Bak, Maiken Nedergaard, Arne Schousboe

*Corresponding author for this work
    2 Citations (Scopus)

    Abstract

    A fundamental understanding of glycogen structure, concentration, polydispersity and turnover is critical to qualify the role of glycogen in the brain. These molecular and metabolic features are under the control of neuronal activity through the interdependent action of neuromodulatory tone, ionic homeostasis and availability of metabolic substrates, all variables that concur to define the state of the system. In this chapter, we briefly describe how glycogen responds to selected behavioral, nutritional, environmental, hormonal, developmental and pathological conditions. We argue that interpreting glycogen metabolism through the lens of brain state is an effective approach to establish the relevance of energetics in connecting molecular and cellular neurophysiology to behavior.

    Original languageEnglish
    Title of host publicationBrain Glycogen Metabolism
    EditorsMauro DiNuzzo, Arne Schousboe
    Number of pages41
    PublisherSpringer
    Publication date2019
    Pages269-309
    ISBN (Print)978-3-030-27479-5
    ISBN (Electronic)978-3-030-27480-1
    DOIs
    Publication statusPublished - 2019
    SeriesAdvances in Neurobiology
    Volume23
    ISSN2190-5215

    Keywords

    • Astrocyte-neuron interactions
    • Brain state
    • Glycogen β-particle
    • Ion homeostasis
    • Metabolic compartmentation

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