Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesMutationRepetitive Sequences, Nucleic AcidBase SequenceGene AmplificationTandem Repeat SequencesMolecular Sequence DataSpinocerebellar AtaxiasPolymerase Chain ReactionMachado-Joseph DiseaseDNAGenetic MarkersHeredodegenerative Disorders, Nervous SystemPolymorphism, GeneticMinisatellite RepeatsGenomic InstabilityNerve Tissue ProteinsDinucleotide RepeatsPedigreeGenetic VariationGenetic LociSequence Analysis, DNAFrontotemporal DementiaFlap EndonucleasesAnticipation, GeneticChromosome MappingNucleic Acid ConformationDNA, SatelliteGenotypeInverted Repeat SequencesDNA PrimersNucleic Acid Amplification TechniquesModels, GeneticAge of OnsetCerebellar AtaxiaChromosome FragilityGenetic Diseases, InbornIntranuclear Inclusion BodiesPhenotypeMuscular Dystrophy, OculopharyngealGenetic LinkageRNA-Binding ProteinsGene FrequencyHeterozygoteGenetics, PopulationGenome, HumanNuclear ProteinsAmyotrophic Lateral SclerosisHaplotypesNeurodegenerative DiseasesDNA RepairPeptidesProteinsAmino Acid SequenceEvolution, MolecularTranscription, GeneticExonsDNA, PlantPhylogenyRecombination, GeneticGenes, DominantMice, TransgenicReceptors, AndrogenDNA ReplicationRNA, MessengerDNA-Binding ProteinsDNA Mutational AnalysisMutS Homolog 2 ProteinQuantitative Trait LociExpressed Sequence TagsSaccharomyces cerevisiaeSpecies SpecificityRepetitive Sequences, Amino AcidChromosomes, Human, XMyoclonic Epilepsies, ProgressiveTandem Mass SpectrometryCell LineX ChromosomeNucleic Acid HeteroduplexesBlotting, SouthernDisease Models, AnimalSequence DeletionGenetic TestingRNAPolymorphism, Single NucleotidePromoter Regions, GeneticSaccharomyces cerevisiae ProteinsDNA, Fungal