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*  3-Hydroxyanthranilic acid oxygenase-containing astrocytic processes surround glutamate-containing axon terminals in the rat...
Since quinolinic acid is known to enter the extracellular compartment readily, these results suggest that astrocytic quinolinic ... In order to explore the anatomical basis of possible functional interactions between glutamate and quinolinic acid in the rat ... is the biosynthetic enzyme for quinolinic acid, an endogenous agonist of the NMDA glutamate receptor subtype and a potent ... 3-Hydroxyanthranilic acid oxygenase-containing astrocytic processes surround glutamate-containing axon terminals in the rat ...
http://www.jneurosci.org/content/15/2/1150