Spinocerebellar AtaxiasTrinucleotide Repeat ExpansionTrinucleotide RepeatsSpinocerebellar DegenerationsMachado-Joseph DiseaseDNA Repeat ExpansionFriedreich AtaxiaCerebellar AtaxiaMyotonic DystrophyFragile X SyndromeHuntington DiseaseNerve Tissue ProteinsAtaxiaFragile X Mental Retardation ProteinSpinocerebellar TractsIntranuclear Inclusion BodiesIron-Binding ProteinsAllelesPurkinje CellsMutationCerebellumHeredodegenerative Disorders, Nervous SystemNuclear ProteinsAge of OnsetPedigreeAnticipation, GeneticPeptidesRepetitive Sequences, Nucleic AcidInclusion BodiesShaw Potassium ChannelsRegression (Psychology)Genes, DominantBase SequenceMolecular Sequence DataNerve DegenerationNeurodegenerative DiseasesPhenotypeMicrosatellite RepeatsMice, TransgenicGenetic Diseases, InbornFounder EffectRepressor ProteinsDNAGenetic LinkageDisease Models, AnimalGait AtaxiaCalcium Channels, Q-TypeGenomic InstabilityChromosomes, Human, Pair 19Chromosome MappingBrainFamily HealthHaplotypesCalcium Channels, P-TypeProteinsGenotypeFrontotemporal DementiaAtrophyFlap EndonucleasesAmino Acid SequencePolymerase Chain ReactionGene FrequencyNeuronsNucleic Acid ConformationRNA-Binding ProteinsInverted Repeat SequencesMagnetic Resonance ImagingMinisatellite RepeatsTandem Repeat SequencesMutation, MissenseMyoclonic Epilepsies, ProgressiveGenetic MarkersPolymorphism, GeneticSpectrinAnimals, Genetically ModifiedCell LineRNA, MessengerChromosome FragilityProtein BindingMuscular Dystrophy, OculopharyngealCalcium ChannelsSequence Analysis, DNAGenetic TestingExonsDNA Mutational AnalysisCell NucleusModels, GeneticKv1.1 Potassium ChannelCOS CellsAmyotrophic Lateral SclerosisGenome, HumanHEK293 CellsTranscription FactorsChromosomes, Human, Pair 20Chromosomes, Human, Pair 6DiseaseCase-Control StudiesGene Expression RegulationAtaxia TelangiectasiaMice, Inbred C57BL