Abstract
Significant amounts of gamma-aminobutyric acid (GABA), an endogenous amino acid, are present in mammalian peripheral tissues. This finding led to the suggestion that GABA may act as a neurotransmitter in the peripheral nervous system as it does in the central nervous system. This review deals with recent identification of GABA in the autonomic nervous system and the possible functional role of GABA in neuronal and non-neuronal tissues. The identification of GABA in the autonomic nervous system has paved the way for new approaches in pharmacological investigations.
Publication types
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Research Support, Non-U.S. Gov't
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Review
MeSH terms
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Animals
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Autonomic Fibers, Postganglionic / physiology
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Cats
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Digestive System Physiological Phenomena
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Electrophysiology
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Gallbladder / physiology
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Guinea Pigs
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Humans
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Membrane Potentials
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Mice
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Myenteric Plexus / physiology
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Nerve Tissue Proteins / pharmacology
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Neurons / metabolism
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Oviducts / physiology
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Parasympathetic Nervous System / physiology
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Peripheral Nerves / physiology*
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Rabbits
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Rats
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Receptors, GABA-A / drug effects
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Receptors, GABA-A / physiology
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Urinary Bladder / physiology
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gamma-Aminobutyric Acid / physiology*
Substances
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Nerve Tissue Proteins
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Receptors, GABA-A
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gamma-Aminobutyric Acid