Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinRepetitive Sequences, Nucleic AcidIron-Binding ProteinsAllelesBase SequenceMultigene FamilyMutationMolecular Sequence DataSpinocerebellar AtaxiasGene ConversionMachado-Joseph DiseaseHeredodegenerative Disorders, Nervous SystemRecombination, GeneticNerve Tissue ProteinsGenomic InstabilityFrontotemporal DementiaFlap EndonucleasesAnticipation, GeneticMicrosatellite RepeatsDNANucleic Acid ConformationInverted Repeat SequencesMinisatellite RepeatsTandem Repeat SequencesPedigreeCerebellar AtaxiaEvolution, MolecularAge of OnsetIntranuclear Inclusion BodiesAmino Acid SequenceChromosome FragilityMuscular Dystrophy, OculopharyngealGenetic Diseases, InbornRNA-Binding ProteinsPolymerase Chain ReactionAmyotrophic Lateral SclerosisDNA, RibosomalPolymorphism, GeneticNeurodegenerative DiseasesNuclear ProteinsPhenotypePeptidesProteinsDNA 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