Trinucleotide Repeat ExpansionTrinucleotide RepeatsDNA Repeat ExpansionFriedreich AtaxiaSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinSpinocerebellar AtaxiasIron-Binding ProteinsMachado-Joseph DiseaseAllelesNerve Tissue ProteinsMutationRepetitive Sequences, Nucleic AcidHeredodegenerative Disorders, Nervous SystemBase SequenceAmyotrophic Lateral SclerosisNuclear ProteinsGenomic InstabilityFrontotemporal DementiaFlap EndonucleasesMolecular Sequence DataAnticipation, GeneticMicrosatellite RepeatsDNANucleic Acid ConformationPeptidesInverted Repeat SequencesMinisatellite RepeatsTandem Repeat SequencesPedigreeCerebellar AtaxiaAge of OnsetIntranuclear Inclusion BodiesChromosome FragilityMuscular Dystrophy, OculopharyngealGenetic Diseases, InbornRNA-Binding ProteinsPolymerase Chain ReactionPolymorphism, GeneticNeurodegenerative DiseasesPhenotypeProteinsDNA RepairSequence Analysis, DNAReceptors, AndrogenModels, GeneticMice, TransgenicGenotypeDNA PrimersGenes, DominantMyoclonic Epilepsies, ProgressiveDNA ReplicationGenome, HumanTranscription, GeneticMutS Homolog 2 ProteinGenetic MarkersRepetitive Sequences, Amino AcidHeterozygoteExonsNucleic Acid HeteroduplexesSaccharomyces cerevisiaeDNA-Binding ProteinsRNA, MessengerDisease Models, Animal