2001
α10: A determinant of nicotinic cholinergic receptor function in mammalian vestibular and cochlear mechanosensory hair cells
Elgoyhen A, Vetter D, Katz E, Rothlin C, Heinemann S, Boulter J. α10: A determinant of nicotinic cholinergic receptor function in mammalian vestibular and cochlear mechanosensory hair cells. Proceedings Of The National Academy Of Sciences Of The United States Of America 2001, 98: 3501-3506. PMID: 11248107, PMCID: PMC30682, DOI: 10.1073/pnas.051622798.Peer-Reviewed Original ResearchConceptsHair cellsMechanosensory hair cellsCholinergic receptor functionAgonist-mediated desensitizationHair cell functionAlpha9 nAChREfferent modulationHeteromeric nAChRsAlpha9alpha10 nAChRsPharmacological profileBiphasic responseMammalian vestibularReceptor functionAlpha10 subunitsNAChRsCell functionAlpha9Xenopus laevis oocytesCurrent-voltage relationshipVertebrate hair cellsSubunit geneLaevis oocytesAlpha10CellsAlpha9alpha10
2000
Mixed nicotinic–muscarinic properties of the α9 nicotinic cholinergic receptor
Verbitsky M, Rothlin C, Katz E, Elgoyhen A. Mixed nicotinic–muscarinic properties of the α9 nicotinic cholinergic receptor. Neuropharmacology 2000, 39: 2515-2524. PMID: 11044723, DOI: 10.1016/s0028-3908(00)00124-6.Peer-Reviewed Original ResearchConceptsOuter hair cellsCholinergic receptorsCholinergic compoundsAlpha9 nicotinic acetylcholine receptorHigh ACh concentrationsNicotinic cholinergic receptorsWeak partial agonistNicotinic acetylcholine receptorsCochlear outer hair cellsAgonist-evoked currentsAlpha9 receptorMuscarinic agonistsMaximal responseAcetylcholine receptorsPartial agonistACh concentrationPharmacological propertiesHair cellsReceptorsXenopus laevis oocytesAcetylcholineNative receptorAgonistsCompetitive typeLaevis oocytesBlock of the α9 nicotinic receptor by ototoxic aminoglycosides
Rothlin C, Katz E, Verbitsky M, Vetter D, Heinemann S, Elgoyhen A. Block of the α9 nicotinic receptor by ototoxic aminoglycosides. Neuropharmacology 2000, 39: 2525-2532. PMID: 11044724, DOI: 10.1016/s0028-3908(00)00056-3.Peer-Reviewed Original ResearchConceptsAlpha9 nicotinic acetylcholine receptorConcentration of acetylcholineNicotinic acetylcholine receptorsOrgan of CortiOuter hair cellsConcentration-dependent mannerEfferent functionCholinergic receptorsOtotoxic aminoglycosidesNicotinic receptorsAcetylcholine receptorsNon-competitive typeAcetylcholineHair cellsAminoglycosidesGentamicinXenopus laevis oocytesReceptorsAminoglycoside antibioticsReversible actionAlpha9Rank orderPresent studyAntagonistic effectLaevis oocytesHigh calcium permeability and calcium block of the α9 nicotinic acetylcholine receptor
Katz E, Verbitsky M, Rothlin C, Vetter D, Heinemann S, Elgoyhen A. High calcium permeability and calcium block of the α9 nicotinic acetylcholine receptor. Hearing Research 2000, 141: 117-128. PMID: 10713500, DOI: 10.1016/s0378-5955(99)00214-2.Peer-Reviewed Original ResearchConceptsOuter hair cellsAlpha9 receptorNicotinic acetylcholine receptorsAcetylcholine receptorsAlpha9 nicotinic acetylcholine receptorΑ9 nicotinic acetylcholine receptorHair cellsOlivocochlear efferent fibersHigh calcium permeabilityAuditory nerve fiber activityNerve fiber activityEfferent fibersCholinergic receptorsOlivocochlear fibersVoltage-dependent mannerSynaptic transmissionCalcium permeabilityInhibitory synapseFiber activityReceptorsXenopus laevis oocytesMonovalent currentsLaevis oocytesSynapseCalcium block
1999
The α9 Nicotinic Acetylcholine Receptor Shares Pharmacological Properties with Type A γ-Aminobutyric Acid, Glycine, and Type 3 Serotonin Receptors
Rothlin C, Katz E, Verbitsky M, Elgoyhen A. The α9 Nicotinic Acetylcholine Receptor Shares Pharmacological Properties with Type A γ-Aminobutyric Acid, Glycine, and Type 3 Serotonin Receptors. Molecular Pharmacology 1999, 55: 248-254. PMID: 9927615, DOI: 10.1124/mol.55.2.248.Peer-Reviewed Original ResearchMeSH KeywordsAcetylcholineAnimalsBariumBicucullineCalciumChelating AgentsDNA, ComplementaryEgtazic AcidFemaleGABA AntagonistsGlycineGlycine AgentsIndolesMembrane PotentialsOocytesReceptors, GABA-AReceptors, GlycineReceptors, NicotinicReceptors, SerotoninReceptors, Serotonin, 5-HT3Recombinant Fusion ProteinsSerotoninSerotonin AntagonistsStrychnineTropisetronXenopus laevisConceptsPharmacological propertiesGamma-aminobutyric acid receptor antagonist bicucullineAlpha9 nicotinic acetylcholine receptorACh-evoked currentsAgonist maximal responseType 3 serotonin receptorReceptor antagonist bicucullineGlycinergic antagonist strychnineGamma-aminobutyric acidNicotinic acetylcholine receptorsSimilar pharmacological propertiesCochlear outer hair cellsOuter hair cellsConcentration-dependent mannerCys-loop familyAlpha9 nAChRAntagonist bicucullineAntagonist strychnineCholinergic receptorsΓ-aminobutyric acidCys-loop receptorsSerotonin receptorsMaximal responseAcetylcholine receptorsHair cells