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Release of gamma-aminobutyric acid from guinea pig myenteric plexus synaptosomes
Brain Research
|November 14, 1983
Abstract:
A crude synaptosomal preparation obtained from myenteric plexus of guinea pig small intestine was used to study the release of [3H]GABA. GABA release was elevated in response to depolarizing agents when tested in normal Krebs but was depressed in a calcium-free medium. GABA was also noted to stimulate a release of [3H]ACh from the same preparation. These data support the possible role of GABA as an enteric neurotransmitter.