Glutamate transporters: confining runaway excitation by shaping synaptic transmission - PubMed (original) (raw)

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doi: 10.1038/nrn2274.

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• PMID: 17987031
• DOI: 10.1038/nrn2274

Review

Glutamate transporters: confining runaway excitation by shaping synaptic transmission

Anastassios V Tzingounis et al. Nat Rev Neurosci. 2007 Dec.

Abstract

Traditionally, glutamate transporters have been viewed as membrane proteins that harness the electrochemical gradient to slowly transport glutamate from the extracellular space into glial cells. However, recent studies have shown that glutamate transporters on glial and neuronal membranes also rapidly bind released glutamate to shape synaptic transmission. In this Review, we summarize the properties of glutamate transporters that influence synaptic transmission and are subject to regulation and plasticity. We highlight how the diversity of glutamate-transporter function relates to transporter location, density and affinity.

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