Acute and chronic ethanol administration on specific 3H-GABA binding in different rat brain areas

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Abstract
Acute ethanol treatment produces a significant decrease of specific 3H-GABA binding in cerebellum while no changes were detectable in other brain areas. Scatchard analysis shows a decrease in receptor affinity but not in the number of GABA binding sites. On the other hand, chronic administration of ethanol selectively increases specific 3H-GABA binding in the striatum. Kinetic analysis of these data shows that ethanol chronic administration produces a significant increase in the number of GABA binding sites. These data may be useful for the understanding of clinical pictures following acute and chronic ethanol intoxication.