2006
Pharmacological activation and inhibition of Slack (Slo2.2) channels
Yang B, Gribkoff VK, Pan J, Damagnez V, Dworetzky SI, Boissard CG, Bhattacharjee A, Yan Y, Sigworth FJ, Kaczmarek LK. Pharmacological activation and inhibition of Slack (Slo2.2) channels. Neuropharmacology 2006, 51: 896-906. PMID: 16876206, DOI: 10.1016/j.neuropharm.2006.06.003.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnti-Infective Agents, LocalBepridilBithionolCalcium Channel BlockersCell Line, TransformedDose-Response Relationship, DrugDose-Response Relationship, RadiationElectric StimulationEnzyme ActivationEnzyme InhibitorsHumansMembrane PotentialsOocytesPatch-Clamp TechniquesPotassium Channels, Calcium-ActivatedQuinidineTransfectionXenopusConceptsSlack channelsConcentration-dependent mannerIschemic injuryPharmacological activationKNa channelsMammalian brainFiring ratePharmacological propertiesChannel subunitsReversible increaseChannel activityCell linesBepridilHEK cellsRobust activatorNeuronsStable cell linesInhibitionExcised patchesXenopus oocytesPresent studyBithionolChannel openingSpecific roleMembrane patchesOpposite Regulation of Slick and Slack K+ Channels by Neuromodulators
Santi CM, Ferreira G, Yang B, Gazula VR, Butler A, Wei A, Kaczmarek LK, Salkoff L. Opposite Regulation of Slick and Slack K+ Channels by Neuromodulators. Journal Of Neuroscience 2006, 26: 5059-5068. PMID: 16687497, PMCID: PMC6674240, DOI: 10.1523/jneurosci.3372-05.2006.Peer-Reviewed Original ResearchConceptsSlo2 channelsHippocampal brain sectionsCultured hippocampal neuronsProtein kinase CWhole-cell currentsPKC activator PMANeuronal excitabilityHippocampal neuronsBrain sectionsBasal levelsImmunocytochemical techniquesGalphaq proteinElectrical activitySlo2.1Activator PMAReceptorsChannel gene familyWidespread expressionChannel activityExcitabilityNeuromodulatorsIntracellular concentrationPotential of cellsBrainXenopus oocytes
1997
Properties and regulation of the minK potassium channel protein
Kaczmarek L, Blumenthal E. Properties and regulation of the minK potassium channel protein. Physiological Reviews 1997, 77: 627-641. PMID: 9234960, DOI: 10.1152/physrev.1997.77.3.627.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsMinK proteinSingle transmembrane segmentPotassium channel proteinChannel-forming subunitTransmembrane segmentsMink genesChannel proteinsSecond messengerAmino acidsKvLQT1 channelsXenopus oocytesProteinNative currentsEpithelial cellsMinK mRNAIon selectivityVoltage-dependent potassium currentsResultant channelPotassium currentStrong candidateCellsGenesSubunitsVestibular organsMessenger
1994
The minK potassium channel exists in functional and nonfunctional forms when expressed in the plasma membrane of Xenopus oocytes
Blumenthal E, Kaczmarek L. The minK potassium channel exists in functional and nonfunctional forms when expressed in the plasma membrane of Xenopus oocytes. Journal Of Neuroscience 1994, 14: 3097-3105. PMID: 7514215, PMCID: PMC6577436, DOI: 10.1523/jneurosci.14-05-03097.1994.Peer-Reviewed Original ResearchConceptsN-terminal domainMinK proteinPlasma membraneInjected mRNAXenopus oocytesMinK potassium channelsFunctional potassium channelsPotassium channelsAmino acid epitopeProtein sequencesLevels of proteinMink genesLive oocytesIntracellular cAMP levelsKinetics of activationProteinOocytesMinK mRNANonfunctional formMRNASurface expressionRNAMinK currentsMRNA levelsCAMP levels
1992
Structure and regulation of the MinK potassium channel
Blumenthal E, Kaczmarek L. Structure and regulation of the MinK potassium channel. Neurochemical Research 1992, 17: 869-876. PMID: 1407274, DOI: 10.1007/bf00993262.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsModulation by cAMP of a slowly activating potassium channel expressed in Xenopus oocytes
Blumenthal E, Kaczmarek L. Modulation by cAMP of a slowly activating potassium channel expressed in Xenopus oocytes. Journal Of Neuroscience 1992, 12: 290-296. PMID: 1370322, PMCID: PMC6575684, DOI: 10.1523/jneurosci.12-01-00290.1992.Peer-Reviewed Original ResearchMeSH Keywords8-Bromo Cyclic Adenosine MonophosphateAmino Acid SequenceAnimalsCell MembraneCyclic AMPFemaleGene ExpressionHumansMembrane PotentialsMembrane ProteinsMolecular Sequence DataMutagenesis, Site-DirectedOocytesPhosphorylationPotassium ChannelsPotassium Channels, Voltage-GatedProgesteroneProtein Kinase InhibitorsProtein KinasesRatsRNATransfectionXenopus laevisConceptsMinK proteinCAMP-dependent protein kinasePotential phosphorylation sitesXenopus oocytesCAMP levelsPhosphorylation sitesProtein kinasePlasma membraneKinase activityChannel proteinsIntracellular cAMP levelsProtein inhibitorProteinKinasePotassium channelsOocytesVoltage-dependent potassium currentsIsK
1990
Cloning and expression of cDNA and genomic clones encoding three delayed rectifier potassium channels in rat brain
Swanson R, Marshall J, Smith J, Williams J, Boyle M, Folander K, Luneau C, Antanavage J, Oliva C, Buhrow S, Bennet C, Stein R, Kaczmarek L. Cloning and expression of cDNA and genomic clones encoding three delayed rectifier potassium channels in rat brain. Neuron 1990, 4: 929-939. PMID: 2361015, DOI: 10.1016/0896-6273(90)90146-7.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsBase SequenceBrainCloning, MolecularDNAFemaleMembrane ProteinsMolecular Sequence DataOligonucleotide ProbesOocytesOrgan SpecificityPotassium ChannelsProtein BiosynthesisRatsRats, Inbred StrainsRestriction MappingRNA, MessengerSequence Homology, Nucleic AcidTranscription, GeneticXenopusEstrogen induction of a small, putative K+ channel mRNA in rat uterus
Pragnell M, Snay K, Trimmer J, MacLusky N, Naftolin F, Kaczmarek L, Boyle M. Estrogen induction of a small, putative K+ channel mRNA in rat uterus. Neuron 1990, 4: 807-812. PMID: 2344412, DOI: 10.1016/0896-6273(90)90207-v.Peer-Reviewed Original ResearchConceptsMRNA speciesAmino acid proteinProkaryotic ion channelsDramatic long-term changesMolecular cloningAcid proteinIon channel expressionMammalian sourcesIon channelsXenopus oocytesVoltage-dependent channelsSpeciesStructural motifsCritical roleChannel expressionMRNAChannel mRNAEstrogen inductionLong-term changesInductionCloningProteinMotifRegulationOocytes
1987
Xenopus Oocytes Injected with Rat Uterine RNA Express Very Slowly Activating Potassium Currents
Boyle M, Azhderian E, MacLusky N, Naftolin F, Kaczmarek L. Xenopus Oocytes Injected with Rat Uterine RNA Express Very Slowly Activating Potassium Currents. Science 1987, 235: 1221-1224. PMID: 2434999, DOI: 10.1126/science.2434999.Peer-Reviewed Original ResearchConceptsUterine smooth muscleSmooth musclePotassium currentAction potentialsVoltage-dependent potassium currentsInfluence of estrogenUteri of estrogenXenopus Oocytes InjectedOvariectomized ratsRat brainProlonged burstsEstrogenRepetitive burstsNegative membrane potentialsInjected oocytesRatsExcitable tissuesMuscleXenopus oocytesMembrane potentialOocytesDepolarizationMyometriumUterusBrain