Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinIron-Binding ProteinsAllelesMutationRepetitive Sequences, Nucleic AcidGenetic Diseases, InbornMachado-Joseph DiseaseSpinocerebellar AtaxiasBase SequencePedigreeHeredodegenerative Disorders, Nervous SystemMolecular Sequence DataNerve Tissue ProteinsMicrosatellite RepeatsGenomic InstabilityDNAFrontotemporal DementiaFlap EndonucleasesAnticipation, GeneticMinisatellite RepeatsNucleic Acid ConformationChromosome MappingInverted Repeat SequencesAge of OnsetTandem Repeat SequencesPhenotypeCerebellar AtaxiaPolymerase Chain ReactionGenetic LinkageGenetic MarkersIntranuclear Inclusion BodiesChromosome FragilityPolymorphism, GeneticMuscular Dystrophy, OculopharyngealRNA-Binding ProteinsModels, GeneticGenetic LociGenome, HumanNuclear ProteinsGenotypeSequence Analysis, DNAProteinsGenes, DominantAmyotrophic Lateral SclerosisDiseaseNeurodegenerative DiseasesPeptidesDNA RepairHeterozygoteDNA PrimersGene FrequencyExonsMice, TransgenicGenetic VariationReceptors, AndrogenHaplotypesAmino Acid SequenceDNA Mutational AnalysisTranscription, GeneticGenetic Predisposition to DiseaseRepetitive Sequences, Amino AcidChromosomes, Human, XSaccharomyces cerevisiaeDNA ReplicationRNA, MessengerGenetic TestingDisease Models, AnimalDNA-Binding ProteinsRecombination, GeneticMyoclonic Epilepsies, ProgressiveDNA, SatelliteQuantitative Trait LociMutS Homolog 2 ProteinX ChromosomeNucleic Acid Heteroduplexes