Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesMutationRepetitive Sequences, Nucleic AcidBase SequenceTandem Repeat SequencesMolecular Sequence DataPoint MutationSpinocerebellar AtaxiasMachado-Joseph DiseasePedigreeHeredodegenerative Disorders, Nervous SystemPolymerase Chain ReactionDNAPolymorphism, GeneticNerve Tissue ProteinsMinisatellite RepeatsGenomic InstabilityDinucleotide RepeatsGenetic MarkersMutation, MissenseGenetic VariationSequence Analysis, DNAFrontotemporal DementiaFlap EndonucleasesAnticipation, GeneticNucleic Acid ConformationGenotypeInverted Repeat SequencesAge of OnsetDNA, SatelliteHeterozygoteCerebellar AtaxiaModels, GeneticGenetic Diseases, InbornDNA PrimersIntranuclear Inclusion BodiesPhenotypeChromosome MappingChromosome FragilityRNA-Binding ProteinsMuscular Dystrophy, OculopharyngealExonsGene FrequencyNuclear ProteinsAmino Acid SequenceGenetic LinkageAmyotrophic Lateral SclerosisFrameshift MutationDNA RepairGenetics, PopulationProteinsHaplotypesNeurodegenerative DiseasesGenome, HumanGenes, DominantDNA Mutational AnalysisPeptidesEvolution, MolecularMice, TransgenicTranscription, GeneticDNA-Binding ProteinsSaccharomyces cerevisiaeMutS Homolog 2 ProteinReceptors, AndrogenRecombination, GeneticDNA ReplicationRNA, MessengerSequence DeletionGenetic TestingCell LineDNA, PlantPhylogenyDisease Models, AnimalRepetitive Sequences, Amino AcidGerm-Line MutationChromosomes, Human, XExpressed Sequence TagsSpecies SpecificityMyoclonic Epilepsies, ProgressiveSaccharomyces cerevisiae ProteinsTandem Mass SpectrometryGenetic LociFounder EffectNucleic Acid HeteroduplexesX ChromosomeTranscription FactorsMutation RatePromoter Regions, GeneticAtaxia