1999
Differential Inhibition of Glial K+ Currents by 4-AP
Bordey A, Sontheimer H. Differential Inhibition of Glial K+ Currents by 4-AP. Journal Of Neurophysiology 1999, 82: 3476-3487. PMID: 10601476, DOI: 10.1152/jn.1999.82.6.3476.Peer-Reviewed Original ResearchMeSH Keywords4-AminopyridineAction PotentialsAnimalsAstrocytesCells, CulturedDelayed Rectifier Potassium ChannelsElectrophysiologyLarge-Conductance Calcium-Activated Potassium ChannelsNeurogliaPatch-Clamp TechniquesPotassium Channel BlockersPotassium ChannelsPotassium Channels, Calcium-ActivatedPotassium Channels, Inwardly RectifyingPotassium Channels, Voltage-GatedRatsRats, Sprague-DawleySpinal CordTetraethylammoniumConceptsAcute spinal cord slicesSpinal cord slicesConcentration-dependent blockPotassium channel typesType currentsDose-dependent inhibitorNeuronal action potentialsCord slicesSpinal cordChannel blockersEpileptiform dischargesBrain slicesAction potentialsHomeostatic functionsA-currentAstrocytesDifferential inhibitionRepolarizationMembrane potentialChannel typesSlicesBlockersGlialCord
1998
Passive Glial Cells, Fact or Artifact?
Bordey A, Sontheimer H. Passive Glial Cells, Fact or Artifact? The Journal Of Membrane Biology 1998, 166: 213-222. PMID: 9843595, DOI: 10.1007/s002329900463.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsVoltage-activated currentsPassive astrocytesVoltage-dependent outwardCell accessAcute tissue slicesBath Ca2Glial cellsRat hippocampusSlice recordingsCultured astrocytesAstrocytesPipette solutionEffect of Ca2Tissue slicesMembrane capacitanceSuch cellsSubpopulationsCellsTransient maskingConcentration of Ca2Ca2SuperfusionHippocampusDoseElectrophysiological Properties of Human Astrocytic Tumor Cells In Situ: Enigma of Spiking Glial Cells
Bordey A, Sontheimer H. Electrophysiological Properties of Human Astrocytic Tumor Cells In Situ: Enigma of Spiking Glial Cells. Journal Of Neurophysiology 1998, 79: 2782-2793. PMID: 9582244, DOI: 10.1152/jn.1998.79.5.2782.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAstrocytesAstrocytomaBrain NeoplasmsCarcinomaCell DifferentiationChildChoroid Plexus NeoplasmsDelayed Rectifier Potassium ChannelsHumansIon TransportNeoplasm ProteinsNeoplastic Stem CellsNerve Tissue ProteinsPatch-Clamp TechniquesPotassiumPotassium Channel BlockersPotassium ChannelsPotassium Channels, Inwardly RectifyingPotassium Channels, Voltage-GatedSodium Channel BlockersSodium ChannelsSpinal CordTetraethylammoniumTetrodotoxinConceptsAstrocytoma cellsTumor cellsGlial cellsWhole-cell patch-clamp recordingsCell patch-clamp recordingsAction potential-like responsesOlder pediatric patientsSpinal cord astrocytesHuman astrocytic tumor cellsSensitive sodium currentsGroup of tumorsLow-grade astrocytomasPatch-clamp recordingsOutward potassium currentGlial tumor cellsAstrocytic tumor cellsGeneration of spikesHigh input resistancePeritumoral astrocytesPediatric patientsMicroM Ba2Pilocytic astrocytomaPotassium currentAstrocytesElectrophysiological properties
1997
Electrophysiological Evidence for Multiple Glycinergic Inputs to Neonatal Rat Sympathetic Preganglionic Neurons In Vitro
Krupp J, Bordey A, Feltz P. Electrophysiological Evidence for Multiple Glycinergic Inputs to Neonatal Rat Sympathetic Preganglionic Neurons In Vitro. European Journal Of Neuroscience 1997, 9: 1711-1719. PMID: 9283825, DOI: 10.1111/j.1460-9568.1997.tb01528.x.Peer-Reviewed Original ResearchConceptsInhibitory postsynaptic currentsTransverse spinal cord slicesSympathetic preganglionic neuronsSpinal cord slicesPreganglionic neuronsGlycinergic inputsCord slicesNeonatal rat sympathetic preganglionic neuronsGlycinergic inhibitory postsynaptic currentsRat sympathetic preganglionic neuronsExtracellular applicationGlutamate receptor agonistsHigh-frequency burstsDimethylphenylpiperazinium iodidePostsynaptic currentsNeonatal ratsReceptor agonistSynaptic activityElectrophysiological evidenceNeuronsPatchclamp techniqueProximal siteRegular intervalsFrequency of eventsTime patterns
1996
Nicotinic actions on neurones of the central autonomic area in rat spinal cord slices.
Bordey A, Feltz P, Trouslard J. Nicotinic actions on neurones of the central autonomic area in rat spinal cord slices. The Journal Of Physiology 1996, 497: 175-187. PMID: 8951720, PMCID: PMC1160921, DOI: 10.1113/jphysiol.1996.sp021758.Peer-Reviewed Original ResearchConceptsSpontaneous excitatory postsynaptic currentsCentral autonomic areaSympathetic preganglionic neuronesSpinal cord slicesGlutamate-induced currentsAutonomic areasCord slicesTransverse thoracolumbar spinal cord slicesAgonist rank order potencyAction potentialsRat spinal cord slicesWhole-cell patch-clamp techniqueNicotinic acetylcholine receptor agonistExcitatory synaptic activityPresence of tetrodotoxinAcetylcholine receptor agonistExcitatory postsynaptic currentsMembrane current noisePatch-clamp techniqueCurrent-clamp conditionsDetectable current responseRank order potencySEPSC amplitudeVoltage-clamp conditionsStrong inward rectificationPatch‐clamp characterization of nicotinic receptors in a subpopulation of lamina X neurones in rat spinal cord slices.
Bordey A, Feltz P, Trouslard J. Patch‐clamp characterization of nicotinic receptors in a subpopulation of lamina X neurones in rat spinal cord slices. The Journal Of Physiology 1996, 490: 673-678. PMID: 8683466, PMCID: PMC1158705, DOI: 10.1113/jphysiol.1996.sp021176.Peer-Reviewed Original ResearchConceptsLamina X neuronesSpinal cord slicesNicotinic acetylcholine receptorsCord slicesD-tubocurarineCentral canalTransverse thoracolumbar spinal cord slicesAcetylcholine receptorsAction potentialsRat spinal cord slicesWhole-cell patch-clamp techniqueDirect postsynaptic effectPatch-clamp techniqueStrong inward rectificationPostsynaptic effectsDorsal commissureNicotinic receptorsNicotinic agonistsPatch-clamp characterizationNeuronesVentral halfReceptors resultsReversal potentialReceptorsInward rectification
1995
Kinetics of A-currents in sympathetic preganglionic neurones and glial cells
Bordey A, Feltz P, Trouslard J. Kinetics of A-currents in sympathetic preganglionic neurones and glial cells. Neuroreport 1995, 7: 37-40. PMID: 8742411, DOI: 10.1097/00001756-199512290-00008.Peer-Reviewed Original Research