Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyHuntington DiseaseFragile X SyndromeFragile X Mental Retardation ProteinIron-Binding ProteinsAllelesSpinocerebellar AtaxiasHeredodegenerative Disorders, Nervous SystemMachado-Joseph DiseaseNerve Tissue ProteinsMutationCell DeathRepetitive Sequences, Nucleic AcidBase SequenceIntranuclear Inclusion BodiesNeurodegenerative DiseasesNuclear ProteinsMolecular Sequence DataGenomic InstabilityFrontotemporal DementiaFlap EndonucleasesAnticipation, GeneticMicrosatellite RepeatsDNACerebellar AtaxiaAcinetobacterInverted Repeat SequencesMinisatellite RepeatsPedigreeTandem Repeat SequencesAge of OnsetMyoclonic Epilepsies, ProgressiveChromosome FragilityMuscular Dystrophy, OculopharyngealRNA-Binding ProteinsReceptors, AndrogenGenetic Diseases, InbornPolymerase Chain ReactionInclusion BodiesAmyotrophic Lateral SclerosisMice, TransgenicPolymorphism, GeneticPhenotypeProteinsLinariaMuscular Disorders, AtrophicDisease Models, AnimalDNA RepairSequence Analysis, DNAModels, GeneticExonsAmino Acid SequenceTranscription, GeneticDNA PrimersSaccharomyces cerevisiaeCell LineGenotypeGenes, DominantBrainDNA-Binding ProteinsDNA ReplicationGenome, HumanRNA, MessengerSaccharomyces cerevisiae ProteinsMutS Homolog 2 ProteinGenetic MarkersHeterozygoteNucleic Acid HeteroduplexesAtaxiaMuscular Atrophy, Spinal