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Astrocytic Metabolism Focusing on Glutamate Homeostasis: A Short Review Dedicated to Vittorio Gallo

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Abstract

A large number of studies have during the last several decades shown that astrocytes play a significant role in brain energy metabolism accounting for a considerable part of the oxygen uptake and the corresponding oxidative metabolism of glucose and lactate. Interestingly, it has become clear that in addition to these two major energy substrates, glutamate may be considered as an important alternative energy substrate and this is tightly coupled to its role as an excitatory neurotransmitter. Hence, this short review will link these events and provide an account of the role that Vittorio Gallo came to play as he coauthored a publication which demonstrated the usefulness of cultured cerebellar granule cells for studies of glutamate neurotransmission. Just by chance this study was published the same year that my own group published a similar study of glutamate uptake and release in a corresponding preparation of cultured neurons and astrocytes from cerebellum and cerebral cortex. Thus, it is a pleasure to dedicate this account of the role of astrocytes in glutamate neurotransmission to Vittorio Gallo whom I have had the pleasure of knowing for more than three decades.

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  1. Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, 2100, Copenhagen Ø, Denmark

    Arne Schousboe

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Correspondence to Arne Schousboe.

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Special issue in honor of Professor Vittorio Gallo.

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Schousboe, A. Astrocytic Metabolism Focusing on Glutamate Homeostasis: A Short Review Dedicated to Vittorio Gallo. Neurochem Res 45, 522–525 (2020). https://doi.org/10.1007/s11064-019-02888-0

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