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Vol. 301, Issue 1, 1-6, April 2002

Pharmacology and Toxicology of Astrocyte-Neuron Glutamate Transport and Cycling

Ursula Sonnewald, Hong Qu and Michael Aschner

Department of Clinical Neuroscience, Norwegian University of Science and Technology (NTNU), Trondheim, Norway (U.S., H.Q.); and Department of Physiology and Pharmacology, and Interdisciplinary Program in Neuroscience, Wake Forest University School of Medicine, Winston-Salem, North Carolina (M.A.)

The interaction between astrocytes and neurons is examined from the standpoint of glutamate neurotoxicity. The review details 1) the distribution of glutamate transporters on astrocytes and neurons, provoking a reformulation of the interdependence between these two cell types in removing extracellular glutamate and preventing excitotoxic injury; 2) the potential involvement of aberrant glutamate transporter function in the etiology of neuropathological conditions; 3) the role of astrocyte-neuron interaction in widely divergent aspects of brain energetics; 4) the role of astrocytes in the process of glutamate recycling within the context of anesthetic treatment with pentobarbital and thiopental.

0022-3565/02/3011-0001$03.00/0
THE JOURNAL OF PHARMACOLOGY AND EXPERIMENTAL THERAPEUTICS
Copyright © 2002 by The American Society for Pharmacology and Experimental Therapeutics


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Copyright © 2002 by the American Society for Pharmacology and Experimental Therapeutics.