Electrophysiological 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 propertiesExpression of voltage-activated chloride currents in acute slices of human gliomas
Ullrich N, Bordey A, Gillespie GY, Sontheimer H. Expression of voltage-activated chloride currents in acute slices of human gliomas. Neuroscience 1998, 83: 1161-1173. PMID: 9502255, DOI: 10.1016/s0306-4522(97)00456-9.Peer-Reviewed Original ResearchConceptsAcute slicesChloride currentsGlioma cellsGrade tumorsGlial cellsPatient biopsiesWhole-cell patch-clamp recordingsChloride channelsHost glial cellsImplanted glioma cellsPathological tumor gradeLow-grade tumorsHigh-grade tumorsPatch-clamp recordingsSpecific Cl- channelsNormal glial cellsAstrocyte-like cellsShort-term cultureTumor gradePathological gradeSCID miceVoltage-activated sodiumIntracranial injectionPotassium currentExperimental tumors