Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesMutationRepetitive Sequences, Nucleic AcidBase SequenceMolecular Sequence DataTandem Repeat SequencesSpinocerebellar AtaxiasMachado-Joseph DiseaseDNAHeredodegenerative Disorders, Nervous SystemGenomic InstabilityMinisatellite RepeatsNerve Tissue ProteinsPolymorphism, GeneticDinucleotide RepeatsNucleic Acid ConformationPolymerase Chain ReactionGenetic MarkersFlap EndonucleasesFrontotemporal DementiaPedigreeGenetic VariationAnticipation, GeneticInverted Repeat SequencesSequence Analysis, DNADNA, SatelliteModels, GeneticAge of OnsetCerebellar AtaxiaGenotypeIntranuclear Inclusion BodiesChromosome FragilityDNA PrimersRNA-Binding ProteinsGenetic Diseases, InbornMuscular Dystrophy, OculopharyngealNuclear ProteinsPhenotypeDNA RepairDNA-Binding ProteinsChromosome MappingCell LineAmino Acid SequenceHaplotypesAmyotrophic Lateral SclerosisGene FrequencyGenetics, PopulationTranscription, GeneticPeptidesHeterozygoteNeurodegenerative DiseasesProteinsGenome, HumanRecombination, GeneticSaccharomyces cerevisiaeGenetic LinkageEvolution, MolecularMice, TransgenicReceptors, AndrogenRNA, MessengerPhylogenySaccharomyces cerevisiae ProteinsMutS Homolog 2 ProteinDNA, PlantGenes, DominantExonsDNA ReplicationRepetitive Sequences, Amino AcidDisease Models, AnimalSequence DeletionDNA Mutational AnalysisDNA, FungalExpressed Sequence TagsReplication Protein AMyoclonic Epilepsies, ProgressiveSpecies SpecificityPlasmidsDNA, ViralGenetic LociNucleic Acid HeteroduplexesTandem Mass SpectrometryChromosomes, Human, XRNAPromoter Regions, GeneticProtein-Serine-Threonine KinasesRNA, ViralTranscription FactorsCells, CulturedX Chromosome