2000
A double mutation in families with periodic paralysis defines new aspects of sodium channel slow inactivation
Bendahhou S, Cummins T, Hahn A, Langlois S, Waxman S, Ptácek L. A double mutation in families with periodic paralysis defines new aspects of sodium channel slow inactivation. Journal Of Clinical Investigation 2000, 106: 431-438. PMID: 10930446, PMCID: PMC314328, DOI: 10.1172/jci9654.Peer-Reviewed Original ResearchConceptsChannel slow inactivationPeriodic paralysisSlow inactivationSodium channel slow inactivationMalignant hyperthermia susceptibilitySkeletal muscle disordersHuman skeletal muscleParalytic attacksMuscle disordersHyperkalemic periodic paralysisSkeletal muscleParalysisDisease-causing mutationsNovel mutationsHyperKPPChannel defectsMolecular determinantsAlpha subunitMutant channelsMutationsDouble mutationInactivationPatientsTransmembrane segments S5
1999
Activation and Inactivation of the Voltage-Gated Sodium Channel: Role of Segment S5 Revealed by a Novel Hyperkalaemic Periodic Paralysis Mutation
Bendahhou S, Cummins T, Tawil R, Waxman S, Ptácek L. Activation and Inactivation of the Voltage-Gated Sodium Channel: Role of Segment S5 Revealed by a Novel Hyperkalaemic Periodic Paralysis Mutation. Journal Of Neuroscience 1999, 19: 4762-4771. PMID: 10366610, PMCID: PMC6782655, DOI: 10.1523/jneurosci.19-12-04762.1999.Peer-Reviewed Original ResearchMeSH KeywordsCells, CulturedDNA Mutational AnalysisDNA PrimersGene ExpressionHumansHyperkalemiaIon Channel GatingKidneyKineticsMaleMiddle AgedMolecular Sequence DataNAV1.4 Voltage-Gated Sodium ChannelParalyses, Familial PeriodicPatch-Clamp TechniquesPoint MutationProtein Structure, TertiarySequence Homology, Amino AcidSodium ChannelsTransfectionConceptsSegments S5Point mutationsS5 segmentVoltage-Gated Sodium ChannelSodium channelsTransmembrane segments S5Cytoplasmic interfaceWild-type channelsParalysis phenotypeHomologous domainsVoltage-sensitive sodium channelsPotassium-aggravated myotoniaNew point mutationPhenylalanine substitutionSkeletal muscle disordersHyperkalaemic periodic paralysisFast inactivationSecond domainMutationsGenesChannel deactivationInactivationChannel activationSlow inactivationT704M mutation
1994
In situ hybridization localization of the Na+ channel β1 subunit mRNA in rat CNS neurons
Oh Y, Sashihara S, Waxman S. In situ hybridization localization of the Na+ channel β1 subunit mRNA in rat CNS neurons. Neuroscience Letters 1994, 176: 119-122. PMID: 7970226, DOI: 10.1016/0304-3940(94)90885-0.Peer-Reviewed Original ResearchConceptsBeta 1 mRNASpinal cordGranule cellsChannel beta 1 subunit (Na beta 1) mRNABeta 1 mRNA expressionDentate granule cellsAdult rat hippocampusCA1 pyramidal cellsRat CNS neuronsBeta 1 subunit mRNASitu hybridization histochemistryCNS neuronsPyramidal cellsRat hippocampusSitu hybridization localizationChannel β1Gray matterHybridization histochemistryPurkinje cellsMRNA expressionSubunit mRNAsModerate expressionDifferent neuronsStrong expressionNeurons