Spinocerebellar AtaxiasSpinocerebellar DegenerationsMachado-Joseph DiseaseCerebellar AtaxiaSpinocerebellar TractsAtaxiaTrinucleotide Repeat ExpansionTrinucleotide RepeatsNerve Tissue ProteinsFriedreich AtaxiaCerebellumPurkinje CellsDNA Repeat ExpansionGait AtaxiaIntranuclear Inclusion BodiesAge of OnsetNuclear ProteinsPedigreeHeredodegenerative Disorders, Nervous SystemShaw Potassium ChannelsPeptidesInclusion BodiesAnticipation, GeneticRegression (Psychology)Genes, DominantMutationNerve DegenerationNeurodegenerative DiseasesAtaxia TelangiectasiaMyoclonic Cerebellar DyssynergiaChromosomes, Human, Pair 6Chromosomes, Human, Pair 20Repressor ProteinsAtaxia Telangiectasia Mutated ProteinsMultiple System AtrophyAtrophyCalcium Channels, Q-TypeDNA Probes, HLAFounder EffectMagnetic Resonance ImagingChromosomes, Human, Pair 19Patents as TopicFamily HealthGenetic LinkageMyoclonic Epilepsies, ProgressivePhenotypeMice, TransgenicCalcium Channels, P-TypeBrainCerebellar DiseasesRotarod Performance TestMice, Neurologic MutantsAllelesMutation, MissenseDisease Models, AnimalOcular Motility DisordersRepetitive Sequences, Nucleic AcidNeuronsHuntington DiseaseBrain StemLicensureHaplotypesMolecular Diagnostic TechniquesMolecular Sequence DataInositol 1,4,5-Trisphosphate ReceptorsCalcium ChannelsAnimals, Genetically ModifiedSpinal CordGenetic TestingChromosome MappingDNA Breaks, Single-StrandedTATA-Box Binding Protein