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  • Title: GABA, a forgotten gliotransmitter.
    Author: Angulo MC, Le Meur K, Kozlov AS, Charpak S, Audinat E.
    Journal: Prog Neurobiol; 2008 Nov; 86(3):297-303. PubMed ID: 18786601.
    Abstract:
    The amino acid gamma-aminobutiric acid (GABA) is a major inhibitory transmitter in the vertebrate central nervous system (CNS) where it can be released by neurons and by glial cells. Neuronal GABAergic signaling is well characterized: the mechanisms of GABA release, the receptors it targets and the functional consequences of their activation have been extensively studied. In contrast, the corresponding features of glial GABAergic signaling have attracted less attention. In this review, we first discuss evidence from the literature for GABA accumulation, production and release by glial cells. We then review the results of recent experiments that point toward functional roles of GABA as a "gliotransmitter".
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