Trinucleotide RepeatsTrinucleotide Repeat ExpansionFriedreich AtaxiaFragile X SyndromeMyotonic DystrophySpinocerebellar DegenerationsHuntington DiseaseFragile X Mental Retardation ProteinRepetitive Sequences, Nucleic AcidBase SequenceMachado-Joseph DiseaseAllelesMicrosatellite RepeatsHeredodegenerative Disorders, Nervous SystemMolecular Sequence DataGenomic InstabilityNucleic Acid ConformationMinisatellite RepeatsDNANerve Tissue ProteinsTandem Repeat SequencesInverted Repeat SequencesSpinocerebellar AtaxiasFlap EndonucleasesAnticipation, GeneticIron-Binding ProteinsChromosome FragilityMutationGenetic Diseases, InbornPolymerase Chain ReactionPolymorphism, GeneticIntranuclear Inclusion BodiesRNA-Binding ProteinsPedigreeCerebellar AtaxiaAge of OnsetMuscular Dystrophy, OculopharyngealNeurodegenerative DiseasesReceptors, AndrogenDNA RepairNuclear ProteinsSequence Analysis, DNANucleic Acid HeteroduplexesModels, GeneticPeptidesChromosomes, Human, XTranscription, GeneticDinucleotide RepeatsDNA, SatelliteDNA ReplicationSaccharomyces cerevisiaeDNA PrimersPhenotypeGenome, HumanOligodeoxyribonucleotidesChromosome MappingGenotypeGenetic MarkersMutS Homolog 2 ProteinAmino Acid SequenceNucleic Acid DenaturationGene FrequencySequence DeletionExonsEndodeoxyribonucleasesMice, TransgenicX ChromosomeNervous System DiseasesSaccharomyces cerevisiae ProteinsHeterozygoteDNA-Binding ProteinsGenes, DominantRNA, MessengerGenetic VariationRNAAnkyrin RepeatBlotting, SouthernRecombination, GeneticDNA, FungalCell LineIntellectual DisabilityRepetitive Sequences, Amino AcidPoint MutationDisease Models, AnimalProteinsDNA Mutational AnalysisOligonucleotidesProtein-Serine-Threonine KinasesGenetic TestingDNA, ComplementaryPromoter Regions, GeneticGenetic LinkageTranscription FactorsHaplotypesGene Expression