Disinhibition in the rat septum mediated by M1 muscarinic receptors |
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| Authors: | H Hasuo J P Gallagher P Shinnick-Gallagher |
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| Affiliation: | Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston 77550. |
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| Abstract: | Acetylcholine (ACh) has been documented as an important central neurotransmitter. We have investigated the actions of ACh within the dorsolateral septal nucleus of the rat to examine its actions within this nucleus, specifically how it may interact to modulate the inhibitory action of gamma-aminobutyric acid (GABA), the known inhibitory transmitter in this area. Our results demonstrate that ACh, acting on M1 muscarinic receptors leads to disinhibition by decreasing GABA release. |
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