Retardation of resynthesis of GABA-transaminase in some brain regions of amygdala-kindled rats.

Abstract:

:The activities of GABA-transaminase (GABA-T) were examined in several brain regions of amygdala-kindled rats, pretreated either with or without gabaculine, an irreversible GABA-T inhibitor. Histochemical and biochemical studies demonstrated that GABA-T activities decreased significantly in some brain regions 16 h after the gabaculine treatment. In contrast, no such alteration was detected in kindled animals after a 48-h survival period either with or without the pharmacological manipulation. The present results suggest that kindling causes retardation of GABA-T resynthesis in neurons, since the GABA-T activities detected 16 h after the drug treatment are due to newly synthetized enzyme in presumptive GABA neurons but not glial cells.

journal_name

Brain Res

journal_title

Brain research

authors

Itagaki S,Kimura H

doi

10.1016/0006-8993(86)90692-x

subject

Has Abstract

pub_date

1986-08-27 00:00:00

pages

77-84

issue

1

eissn

0006-8993

issn

1872-6240

pii

0006-8993(86)90692-X

journal_volume

381

pub_type

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