2021
A KCNC1 mutation in epilepsy of infancy with focal migrating seizures produces functional channels that fail to be regulated by PKC phosphorylation
Zhang Y, Ali SR, Nabbout R, Barcia G, Kaczmarek LK. A KCNC1 mutation in epilepsy of infancy with focal migrating seizures produces functional channels that fail to be regulated by PKC phosphorylation. Journal Of Neurophysiology 2021, 126: 532-539. PMID: 34232791, PMCID: PMC8409950, DOI: 10.1152/jn.00257.2021.Peer-Reviewed Original ResearchConceptsFunctional channelsProtein kinase C.Serious human diseasesPotassium channelsWild-type channelsEpilepsy of infancyChannel modulationTerminal domainIon channel mutationsPKC phosphorylationC-terminusNormal neuronal functionChannel proteinsKv3.1 potassium channelRegulatory sitesKinase C.Human diseasesChannel functionPhosphorylationIon channelsMutationsNovo variantsChannel mutationsBiophysical propertiesNeuronal function
2016
Stimulation of Slack K+ Channels Alters Mass at the Plasma Membrane by Triggering Dissociation of a Phosphatase-Regulatory Complex
Fleming MR, Brown MR, Kronengold J, Zhang Y, Jenkins DP, Barcia G, Nabbout R, Bausch AE, Ruth P, Lukowski R, Navaratnam DS, Kaczmarek LK. Stimulation of Slack K+ Channels Alters Mass at the Plasma Membrane by Triggering Dissociation of a Phosphatase-Regulatory Complex. Cell Reports 2016, 16: 2281-2288. PMID: 27545877, PMCID: PMC5123741, DOI: 10.1016/j.celrep.2016.07.024.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAnimalsBiosensing TechniquesBithionolBridged Bicyclo Compounds, HeterocyclicCell MembraneCerebral CortexFragile X Mental Retardation ProteinGene Expression RegulationHEK293 CellsHumansIon TransportMiceMice, KnockoutMicrofilament ProteinsMutationNerve Tissue ProteinsNeuronsPatch-Clamp TechniquesPhosphorylationPotassium ChannelsPotassium Channels, Sodium-ActivatedPrimary Cell CultureProtein BindingRNA, Small InterferingSignal TransductionThiazolidinesXenopus laevisConceptsProtein phosphatase 1Plasma membraneProtein kinase C.C-terminal residuesPhactr-1Potassium channelsPhosphatase 1Terminal domainSlack channelsHuman mutationsKinase C.Sodium-activated potassium channelsPharmacological activatorsOptical biosensor assayChannel stimulationSlack currentsBiosensor assaysMembraneMutantsPhosphorylationIntellectual disabilityProteinMutationsSevere intellectual disabilityActivator
2015
Receptors and Transduction Mechanisms II: Indirectly Coupled Receptor/Ion Channel Systems
Levitan I, Kaczmarek L. Receptors and Transduction Mechanisms II: Indirectly Coupled Receptor/Ion Channel Systems. 2015, 263-294. DOI: 10.1093/med/9780199773893.003.0012.ChaptersProtein phosphorylationSecond messenger-dependent protein kinasesReceptor-channel couplingIon channel proteinsAppropriate biological responseExtracellular signalsDirect phosphorylationSpecific membrane receptorsProtein kinaseRegulatory componentsChannel proteinsSecond messenger systemsMembrane receptorsTransduction mechanismsIon channelsPhosphorylationBiological responsesMessenger systemsIon channel systemsDiversityTarget cellsSignal recognitionNeuronal excitabilityCellsKinase
2012
An evolutionarily conserved mode of modulation of Shaw‐like K+ channels
Cotella D, Hernandez‐Enriquez B, Duan Z, Wu X, Gazula V, Brown MR, Kaczmarek LK, Sesti F. An evolutionarily conserved mode of modulation of Shaw‐like K+ channels. The FASEB Journal 2012, 27: 1381-1393. PMID: 23233530, PMCID: PMC3606535, DOI: 10.1096/fj.12-222778.Peer-Reviewed Original ResearchConceptsEffect of phosphorylationC. elegansACP-2Acid phosphataseMammalian homologMammalian homologueCaenorhabditis elegansMouse nervous systemRegulatory partnersBiochemical experimentsMolecular mechanismsElegansBehavioral defectsMode of modulationPhosphorylationPharmacological disruptionShaw familyMammalian brainSubset of neuronsVentricular zonePhosphataseModel systemNervous systemMice resultsElectrophysiological analysis
2001
Casein Kinase 2 Determines the Voltage Dependence of the Kv3.1 Channel in Auditory Neurons and Transfected Cells
Macica C, Kaczmarek L. Casein Kinase 2 Determines the Voltage Dependence of the Kv3.1 Channel in Auditory Neurons and Transfected Cells. Journal Of Neuroscience 2001, 21: 1160-1168. PMID: 11160386, PMCID: PMC6762230, DOI: 10.1523/jneurosci.21-04-01160.2001.Peer-Reviewed Original ResearchMeSH KeywordsAlkaline PhosphataseAnimalsAuditory PathwaysBinding SitesBrain StemCasein Kinase IICDC2-CDC28 KinasesCHO CellsCricetinaeCyclin-Dependent Kinase 2Cyclin-Dependent KinasesElectric StimulationEnzyme InhibitorsIn Vitro TechniquesMembrane PotentialsNeuronsNeuropeptidesPatch-Clamp TechniquesPhosphorylationPotassium ChannelsPotassium Channels, Voltage-GatedPrecipitin TestsProtein Kinase CProtein Serine-Threonine KinasesRatsShaw Potassium ChannelsTetradecanoylphorbol AcetateTransfectionConceptsCasein kinase 2Kinase 2Casein kinase IIProtein kinase CKv3.1 channelsChinese hamster ovary cellsHamster ovary cellsConstitutive phosphorylationPhosphatase treatmentKinase IIKinase CTransfected CellsVoltage-dependent activationOvary cellsWhole-cell conductancePhosphorylationPotassium channelsRectifier channelsBiophysical characteristicsInactivationKv3.1 potassium channelVoltage dependenceActivationKv3.1Patch-clamp recordings
1996
Regulation of potassium channels by protein kinases
Jonas E, Kaczmarek L. Regulation of potassium channels by protein kinases. Current Opinion In Neurobiology 1996, 6: 318-323. PMID: 8794088, DOI: 10.1016/s0959-4388(96)80114-0.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus Statements
1991
Phosphorylation of membrane‐associated proteins by phorbol esters in isolated bag cell neurons of Aplysia
Azhderian E, Kaczmarek L. Phosphorylation of membrane‐associated proteins by phorbol esters in isolated bag cell neurons of Aplysia. Developmental Neurobiology 1991, 22: 105-115. PMID: 2030336, DOI: 10.1002/neu.480220202.Peer-Reviewed Original ResearchConceptsProtein kinase CBag cell neuronsKinase CPlasma membrane-containing fractionsProtein kinase C inhibitor H7Membrane-associated proteinsPhorbol esterExtent of phosphorylationMembrane-containing fractionsCell neuronsMembrane proteinsProtein phosphorylationNew speciesPhosphorylation statePlasma membraneTetradecanoyl phorbol 13Inhibitor H7Inactive phorbol esterIntact cellsPhosphate incorporationProtein extractsPhosphoproteinExtracellular mediumPhosphorylationProtein
1986
Phorbol Esters, Protein Phosphorylation and the Regulation of Neuronal Ion Channels
Kaczmarek L. Phorbol Esters, Protein Phosphorylation and the Regulation of Neuronal Ion Channels. Journal Of Experimental Biology 1986, 124: 375-392. PMID: 2428907, DOI: 10.1242/jeb.124.1.375.Peer-Reviewed Original ResearchConceptsProtein kinase CKinase CProtein kinase C resultsPhorbol esterNeuronal ion channelsProtein phosphorylationPlasma membraneLipid environmentIntact cellsIon channelsSuch activatorsEndogenous diacylglycerolVertebratesDiacylglycerolSynthetic diacylglycerolPhosphatidyl serineActivatorEndogenous electrical propertiesInactive speciesSynaptic transmissionInvertebratesCalcium channelsKinasePhosphorylationNervous system
1985
Calcium/phosphatidylserine/diacylglycerol-dependent protein phosphorylation in the Aplysia nervous system
DeRiemer SA, Greengard P, Kaczmarek LK. Calcium/phosphatidylserine/diacylglycerol-dependent protein phosphorylation in the Aplysia nervous system. Journal Of Neuroscience 1985, 5: 2672-2676. PMID: 4045549, PMCID: PMC6565129, DOI: 10.1523/jneurosci.05-10-02672.1985.Peer-Reviewed Original ResearchConceptsProtein kinase CProtein kinase activityAplysia nervous systemBag cell neuronsKinase CProtein phosphorylationKinase activityDiacylglycerol-dependent protein kinaseEndogenous substrate proteinsEndogenous enzymesCytosolic fractionTumor-promoting phorbol diestersCell neuronsSubstrate proteinsCell clustersBag cell clustersProtein kinaseDalton proteinMammalian tissuesSpecific substratesNervous systemPhosphorylationBovine brainMammalian brainPolymixin B sulfateEnhancement of calcium current in Aplysia neurones by phorbol ester and protein kinase C
DeRiemer SA, Strong JA, Albert KA, Greengard P, Kaczmarek LK. Enhancement of calcium current in Aplysia neurones by phorbol ester and protein kinase C. Nature 1985, 313: 313-316. PMID: 2578617, DOI: 10.1038/313313a0.Peer-Reviewed Original ResearchConceptsProtein kinase CKinase CProtein kinase presentEndogenous protein kinase CKinase presentProtein kinase1Molecular mechanismsCellular componentsPhorbol ester TPAIon channelsPhorbol esterMammalian brainTumor-promoting phorbol ester TPAMollusc AplysiaPhysiological propertiesEnzymeNeuronal excitabilityDirect evidenceKinase1PhosphorylationProteinHigh concentrationsActivationAplysia
1984
Calcium/calmodulin-dependent protein phosphorylation in the nervous system of Aplysia
DeRiemer SA, Kaczmarek LK, Lai Y, McGuinness TL, Greengard P. Calcium/calmodulin-dependent protein phosphorylation in the nervous system of Aplysia. Journal Of Neuroscience 1984, 4: 1618-1625. PMID: 6726349, PMCID: PMC6564979, DOI: 10.1523/jneurosci.04-06-01618.1984.Peer-Reviewed Original ResearchConceptsCaM-dependent protein kinaseCaM-dependent protein phosphorylationProtein phosphorylationBag cell neuronsCalcium/calmodulin-dependent protein phosphorylationProtein kinaseAplysia CNSCalmodulin-dependent protein phosphorylationSynapsin IAplysia nervous systemMammalian nervous systemCalmodulin kinase IISubstrate proteinsControl of phosphorylationPhosphorylation stateNervous system proteinsKinase IICell neuronsSubcellular distributionMajor substrateSystem proteinsCell proteinsPhosphorylationNeuronal proteinsCell-free preparations
1982
Intracellular modulation of membrane channels by cyclic AMP-mediated protein phosphorylation in peptidergic neurons of Aplysia.
Strumwasser F, Kaczmarek L, Jennings K. Intracellular modulation of membrane channels by cyclic AMP-mediated protein phosphorylation in peptidergic neurons of Aplysia. The FASEB Journal 1982, 41: 2933-9. PMID: 6292000.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsProtein phosphorylationCyclic AMPPotassium channelsBag cell neuronsEgg-laying hormoneMembrane channelsIntracellular modulationPhosphorylationPeptidergic bag cell neuronsCell neuronsExact identityPeptidergic neuronsImportant componentControl eggsElectrical afterdischargeNeuroactive peptidesAMPEggsCorrelated behaviorNeuronsAplysiaPeptides