PMID: 6131937Apr 1, 1983Paper

Desmethylimipramine enhances the release of endogenous GABA and other neurotransmitter amino acids from the rat thalamus

Journal of Neurochemistry
J Korf, K Venema


The influence of desmethylimipramine (DMI) on the release of endogenous gamma-aminobutyric acid (GABA) and some other amino acids from the rat thalamus was studied with a push-pull perfusion technique. Following HPLC the amino acids were fluorimetrically estimated. Added to the perfusion medium at a concentration of 10 mumol L-1, DMI caused a 5- to 10-fold increase in the release of GABA. Similar effects were found with imipramine, trimeprimine, haloperidol, and propranolol. The elevation of GABA release induced by DMI was Ca dependent. The release of aspartate and glutamate was also increased by DMI, but in contrast to K ions, DMI did not reduce the thalamic output of glutamine.


Feb 1, 1979·Journal of Neurochemistry·J A van der HeydenJ Korf


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