Activation of a Potassium Channel Mutation That Causes Spinocerebellar Ataxia Promotes Aggregation of the RhoGEF Domain‐Containing Protein Plekhg4
Zhang Y, Andrawis A, Kaczmarek L. Activation of a Potassium Channel Mutation That Causes Spinocerebellar Ataxia Promotes Aggregation of the RhoGEF Domain‐Containing Protein Plekhg4. The FASEB Journal 2025, 39: e70552. PMID: 40249242, DOI: 10.1096/fj.202402809rr.Peer-Reviewed Original ResearchConceptsGuanine nucleotide exchange factorKv3.3 channelsNucleation of actin filamentsPlasma membraneNucleotide exchange factorPurkinje neuronsRegulating Rac1 activitySpinocerebellar ataxiaPotassium channel mutationsAuditory brainstem neuronsCerebellar Purkinje neuronsActin nucleationPurkinje cell activityWild-type channelsExchange factorActin filamentsPotential new therapeutic approachCytoplasmic proteinsTreatment of spinocerebellar ataxiaRac1 activationHAX-1Cytoplasmic aggregatesRegulate excitabilityBrainstem neuronsCHO cells
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