2021
Cerebellar Kv3.3 potassium channels activate TANK-binding kinase 1 to regulate trafficking of the cell survival protein Hax-1
Zhang Y, Varela L, Szigeti-Buck K, Williams A, Stoiljkovic M, Šestan-Peša M, Henao-Mejia J, D’Acunzo P, Levy E, Flavell RA, Horvath TL, Kaczmarek LK. Cerebellar Kv3.3 potassium channels activate TANK-binding kinase 1 to regulate trafficking of the cell survival protein Hax-1. Nature Communications 2021, 12: 1731. PMID: 33741962, PMCID: PMC7979925, DOI: 10.1038/s41467-021-22003-8.Peer-Reviewed Original ResearchConceptsTank Binding Kinase 1HAX-1Kv3.3 potassium channelMultivesicular bodiesKinase 1TANK-binding kinase 1Activation of caspasesAnti-apoptotic proteinsPotassium channelsMembrane proteinsBiochemical pathwaysCerebellar neuronsChannels bindCell deathTBK1 activityIon channelsMutant channelsCellular constituentsTraffickingKv3.3 channelsProteinNeuronal survivalMutationsChannel inactivationCaspases
2016
Kv3.3 Channels Bind Hax-1 and Arp2/3 to Assemble a Stable Local Actin Network that Regulates Channel Gating
Zhang Y, Zhang XF, Fleming MR, Amiri A, El-Hassar L, Surguchev AA, Hyland C, Jenkins DP, Desai R, Brown MR, Gazula VR, Waters MF, Large CH, Horvath TL, Navaratnam D, Vaccarino FM, Forscher P, Kaczmarek LK. Kv3.3 Channels Bind Hax-1 and Arp2/3 to Assemble a Stable Local Actin Network that Regulates Channel Gating. Cell 2016, 165: 434-448. PMID: 26997484, PMCID: PMC4826296, DOI: 10.1016/j.cell.2016.02.009.Peer-Reviewed Original ResearchMeSH KeywordsActin CytoskeletonActin-Related Protein 2Actin-Related Protein 2-3 ComplexActin-Related Protein 3Adaptor Proteins, Signal TransducingAmino Acid SequenceCell MembraneMolecular Sequence DataMutationNeuronsPluripotent Stem CellsRac GTP-Binding ProteinsShaw Potassium ChannelsSignal TransductionSpinocerebellar AtaxiasConceptsCytoplasmic C-terminusProline-rich domainPlasma membraneHAX-1Actin nucleationC-terminusCortical actin filament networkLocal actin networkStem cell-derived neuronsActin filament networkCell-derived neuronsAnti-apoptotic proteinsActin cytoskeletonKv3.3 potassium channelActin assemblyActin structuresActin networkArp2/3Channel gatingFilament networkGrowth conesCerebellar neurodegenerationKv3.3TerminusPotassium channels
2015
Kv3.3 potassium channels and spinocerebellar ataxia
Zhang Y, Kaczmarek LK. Kv3.3 potassium channels and spinocerebellar ataxia. The Journal Of Physiology 2015, 594: 4677-4684. PMID: 26442672, PMCID: PMC4983625, DOI: 10.1113/jp271343.Peer-Reviewed Original ResearchConceptsPurkinje cellsPotassium channelsAuditory brainstem nucleiCentral nervous systemUnique neurodegenerative diseaseCerebellar Purkinje cellsVoltage-dependent potassium channelsSpinocerebellar ataxia type 13Neuronal survivalBrainstem nucleiExtracerebellar symptomsCerebellar degenerationNervous systemNeurodegenerative diseasesComplex spikesNormal functionKv3.3Disease-causing mutationsType 13Kv3.3 potassium channelSpinocerebellar ataxiaHigh rateCerebellumDifferent mutationsPhysiological functions