A Bioluminescent γ‐Aminobutyrate Assay for Monitoring Its Release from Inhibitory Nerve Endings

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Abstract
A bioluminescent GABA assay is described. The principle of the procedure is based on the action of GABASE (GABA-aminotransferase plus succinic semialdehyde dehydrogenase), coupled to the detection of succinic semialdehyde and NADH, using Photobacterium luciferase. The method was used for monitoring GABA release from depolarized brain slices.