| http://purl.uniprot.org/citations/24953818 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/24953818 | http://www.w3.org/2000/01/rdf-schema#comment | "Activation of nicotinic acetylcholine receptors (nAChRs) can elicit neurotransmitter release from presynaptic nerve terminals. Mechanisms contributing to cell-and-terminal specific regulation of nAChR-mediated neurotransmitter exocytosis are not fully understood. The experiments discussed here examine how activation of GABAB auto- and hetero-receptors suppress nAChR-mediated release of [(3)H]-GABA and [(3)H]-dopamine ((3)H-DA) from mouse striatal synaptosomes. Activation of presynaptic GABAB receptors with (R)-baclofen decreased both [(3)H]-GABA and [(3)H]-DA release evoked by potassium depolarization. However, when nAChRs were activated with ACh to evoke neurotransmitter release, (R)-baclofen had no effect on [(3)H]-DA release, but potently inhibited ACh-evoked [(3)H]-GABA release. Inhibition of nAChR-evoked [(3)H]-GABA release by (R)-baclofen was time sensitive and the effect was lost after prolonged exposure to the GABAB agonist. The early inhibitory effect of GABAB activation on ACh-evoked [(3)H]-GABA release was partially attenuated by antagonists of the phosphatase, calcineurin. Furthermore, antagonists of protein kinase C (PKC) prevented the time-dependent loss of the inhibitory (R)-baclofen effect on [(3)H]-GABA release. These results suggest that α4β2*-nAChRs present on GABAergic nerve terminals in the striatum are subject to functional regulation by GABAB autoreceptors that is apparently cell-type specific, since it is absent from DAergic striatal nerve terminals. In addition, the functional modulation of α4β2*-type nAChRs on striatal GABAergic nerve terminals by GABAB autoreceptor activation is time-sensitive and appears to involve opposing actions of calcineurin and PKC."xsd:string |
| http://purl.uniprot.org/citations/24953818 | http://purl.org/dc/terms/identifier | "doi:10.1016/j.bcp.2014.06.010"xsd:string |
| http://purl.uniprot.org/citations/24953818 | http://purl.uniprot.org/core/author | "Collins A.C."xsd:string |
| http://purl.uniprot.org/citations/24953818 | http://purl.uniprot.org/core/author | "Marks M.J."xsd:string |
| http://purl.uniprot.org/citations/24953818 | http://purl.uniprot.org/core/author | "Stitzel J.A."xsd:string |
| http://purl.uniprot.org/citations/24953818 | http://purl.uniprot.org/core/author | "Grady S.R."xsd:string |
| http://purl.uniprot.org/citations/24953818 | http://purl.uniprot.org/core/author | "McClure-Begley T.D."xsd:string |
| http://purl.uniprot.org/citations/24953818 | http://purl.uniprot.org/core/date | "2014"xsd:gYear |
| http://purl.uniprot.org/citations/24953818 | http://purl.uniprot.org/core/name | "Biochem Pharmacol"xsd:string |
| http://purl.uniprot.org/citations/24953818 | http://purl.uniprot.org/core/pages | "87-96"xsd:string |
| http://purl.uniprot.org/citations/24953818 | http://purl.uniprot.org/core/title | "Presynaptic GABAB autoreceptor regulation of nicotinic acetylcholine receptor mediated [(3)H]-GABA release from mouse synaptosomes."xsd:string |
| http://purl.uniprot.org/citations/24953818 | http://purl.uniprot.org/core/volume | "91"xsd:string |
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