The perikarya of the dopaminergic and non-dopaminergic neurons contained in the substantia nigra were selectively destroyed by a proper, local injection of 6-hydroxydopamine or kainic acid, respectively. Both lesions resulted in a marked decrease of the nigral GABA-binding sites. The effect of 6-hydroxydopamine was restricted to the high affinity receptors, while kainic acid specifically decreased the low affinity ones.
GABA receptors distribution in rat substantia nigra.
OLIANAS, MARIA CONCETTA;
1981-01-01
Abstract
The perikarya of the dopaminergic and non-dopaminergic neurons contained in the substantia nigra were selectively destroyed by a proper, local injection of 6-hydroxydopamine or kainic acid, respectively. Both lesions resulted in a marked decrease of the nigral GABA-binding sites. The effect of 6-hydroxydopamine was restricted to the high affinity receptors, while kainic acid specifically decreased the low affinity ones.
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