Trinucleotide RepeatsTrinucleotide Repeat ExpansionFriedreich AtaxiaFragile X SyndromeMyotonic DystrophySpinocerebellar DegenerationsHuntington DiseaseFragile X Mental Retardation ProteinRepetitive Sequences, Nucleic AcidBase SequenceMicrosatellite RepeatsMolecular Sequence DataMachado-Joseph DiseaseAllelesHeredodegenerative Disorders, Nervous SystemGenomic InstabilityNucleic Acid ConformationMinisatellite RepeatsDNATandem Repeat SequencesNerve Tissue ProteinsGenetic LociInverted Repeat SequencesSpinocerebellar AtaxiasFlap EndonucleasesMutationPolymorphism, GeneticAnticipation, GeneticChromosome FragilityIron-Binding ProteinsPolymerase Chain ReactionPedigreeGenetic Diseases, InbornChromosome MappingRNA-Binding ProteinsIntranuclear Inclusion BodiesCerebellar AtaxiaAge of OnsetSequence Analysis, DNAModels, GeneticMuscular Dystrophy, OculopharyngealNeurodegenerative DiseasesGenetic MarkersDNA RepairReceptors, AndrogenNuclear ProteinsPhenotypeGenotypeNucleic Acid HeteroduplexesTranscription, GeneticGenetic LinkageDNA PrimersGenome, HumanChromosomes, Human, XQuantitative Trait LociPeptidesDNA, SatelliteGenetic VariationGene FrequencyAmino Acid SequenceSaccharomyces cerevisiaeDinucleotide RepeatsDNA ReplicationHeterozygoteX ChromosomeRecombination, GeneticExonsGenes, DominantOligodeoxyribonucleotidesSequence DeletionMice, TransgenicMutS Homolog 2 ProteinDNA-Binding ProteinsNucleic Acid DenaturationBlotting, SouthernRNA, MessengerSaccharomyces cerevisiae ProteinsEndodeoxyribonucleasesNervous System DiseasesRNADNA, FungalCell LineAnkyrin RepeatDNA Mutational AnalysisProteinsIntellectual DisabilityPoint MutationDisease Models, AnimalPromoter Regions, GeneticRepetitive Sequences, Amino AcidGenetic TestingTranscription FactorsOligonucleotidesDNA, ComplementaryProtein-Serine-Threonine KinasesCloning, MolecularGene ExpressionHaplotypesBrain