Authors
Luc Pellerin, Anne‐Karine Bouzier‐Sore, Agnès Aubert, Sébastien Serres, Michel Merle, Robert Costalat, Pierre J Magistretti
Publication date
2007/9
Source
Glia
Volume
55
Issue
12
Pages
1251-1262
Publisher
Wiley Subscription Services, Inc., A Wiley Company
Description
Astrocytes play a critical role in the regulation of brain metabolic responses to activity. One detailed mechanism proposed to describe the role of astrocytes in some of these responses has come to be known as the astrocyte‐neuron lactate shuttle hypothesis (ANLSH). Although controversial, the original concept of a coupling mechanism between neuronal activity and glucose utilization that involves an activation of aerobic glycolysis in astrocytes and lactate consumption by neurons provides a heuristically valid framework for experimental studies. In this context, it is necessary to provide a survey of recent developments and data pertaining to this model. Thus, here, we review very recent experimental evidence as well as theoretical arguments strongly supporting the original model and in some cases extending it. Aspects revisited include the existence of glutamate‐induced glycolysis in astrocytes in vitro, ex vivo …
Total citations
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