Facilitated Release of Glutamic Acid from Olfactory Cortex Slices by Stimulation of Excitatory Input

doi:https://doi.org/10.2183/pjab1945.50.653

Open AccessArticle10.2183/pjab1945.50.653

Facilitated Release of Glutamic Acid from Olfactory Cortex Slices by Stimulation of Excitatory Input

Chosaburo Yamamoto,Shoko Matsui-1974-01-01-Proceedings of the Japan Academy

TL;DRAbstract

When re-uptake of glutamate was blocked by L-cysteic acid, release of radioactive glutamate from olfactory cortex slices was facilitated by repetitive stimulation of the lateral olfactory tract. The same stimulation was ineffective at a low Ca++ concentration. Since postsynaptic neurons did not respond to stimulation in the presence of L-cysteate, it was inferred that the stimulus caused liberation of glutamate from nerve terminals of the lateral olfactory tract.

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When re-uptake of glutamate was blocked by L-cysteic acid, release of radioactive glutamate from olfactory cortex slices was facilitated by repetitive stimulation of the lateral olfactory tract. The same stimulation was ineffective at a low Ca++ concentration. Since postsynaptic neurons did not respond to stimulation in the presence of L-cysteate, it was inferred that the stimulus caused liberation of glutamate from nerve terminals of the lateral olfactory tract.

Keywords

StimulationGlutamate receptorExcitatory postsynaptic potentialNeurosciencePostsynaptic potentialOlfactory systemStimulus (psychology)Chemistry

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