Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesMutationRepetitive Sequences, Nucleic AcidBase SequenceTandem Repeat SequencesMolecular Sequence DataSpinocerebellar AtaxiasGenomic InstabilityMachado-Joseph DiseaseHeredodegenerative Disorders, Nervous SystemDNAPolymorphism, GeneticMinisatellite RepeatsGenetic MarkersNerve Tissue ProteinsGenetic VariationDinucleotide RepeatsPolymerase Chain ReactionPedigreeSequence Analysis, DNAFrontotemporal DementiaFlap EndonucleasesAnticipation, GeneticGenetics, PopulationNucleic Acid ConformationInverted Repeat SequencesDNA, SatelliteModels, GeneticGenotypeGenetic Diseases, InbornChromosome MappingAge of OnsetCerebellar AtaxiaPhenotypeIntranuclear Inclusion BodiesGeneticsChromosome FragilityMuscular Dystrophy, OculopharyngealRNA-Binding ProteinsDNA PrimersGenome, HumanGene FrequencyHaplotypesGenetic LinkageHeterozygoteAmyotrophic Lateral SclerosisNuclear ProteinsEvolution, MolecularDNA RepairNeurodegenerative DiseasesAmino Acid SequenceProteinsPeptidesPhylogenyExonsDNA, PlantTranscription, GeneticRecombination, GeneticMice, TransgenicReceptors, AndrogenGenes, DominantExpressed Sequence TagsDNA ReplicationGenetic LociMutS Homolog 2 ProteinSaccharomyces cerevisiaeGenomeDNA-Binding ProteinsGenetic TestingRNA, MessengerSpecies SpecificityDNA Mutational AnalysisRepetitive Sequences, Amino AcidChromosomes, Human, XMyoclonic Epilepsies, ProgressiveTandem Mass SpectrometryGenomic LibraryDisease Models, AnimalNucleic Acid HeteroduplexesGenomicsCell LineX ChromosomeSequence DeletionPolymorphism, Single NucleotideGenome, PlantSaccharomyces cerevisiae ProteinsGenetic Predisposition to Disease