Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesGenomic InstabilityMutationRepetitive Sequences, Nucleic AcidBase SequenceTandem Repeat SequencesMolecular Sequence DataSpinocerebellar AtaxiasMachado-Joseph DiseaseDNAHeredodegenerative Disorders, Nervous SystemPolymorphism, GeneticMinisatellite RepeatsDinucleotide RepeatsPolymerase Chain ReactionGenetic MarkersNerve Tissue ProteinsPedigreeGenetic VariationFlap EndonucleasesSequence Analysis, DNAAnticipation, GeneticFrontotemporal DementiaDNA, SatelliteNucleic Acid ConformationChromosomal InstabilityInverted Repeat SequencesChromosome FragilityModels, GeneticAge of OnsetCerebellar AtaxiaGenotypeJoint InstabilityGenetic Diseases, InbornChromosome MappingIntranuclear Inclusion BodiesPhenotypeMuscular Dystrophy, OculopharyngealDNA PrimersRNA-Binding ProteinsDNA RepairGenome, HumanNuclear ProteinsHeterozygoteGene FrequencyHaplotypesAmyotrophic Lateral SclerosisGenetics, PopulationNeurodegenerative DiseasesAmino Acid SequenceProteinsGenetic LinkageMutS Homolog 2 ProteinEvolution, MolecularPeptidesMicrosatellite InstabilityExonsDNA ReplicationTranscription, GeneticDNA-Binding ProteinsRecombination, GeneticPhylogenyMice, TransgenicDNA, PlantReceptors, AndrogenSaccharomyces cerevisiaeRNA, MessengerGenes, DominantExpressed Sequence TagsDNA Mutational AnalysisGenomeRepetitive Sequences, Amino AcidGenetic LociChromosomes, Human, XSpecies SpecificityCell LineTandem Mass SpectrometryMyoclonic Epilepsies, ProgressiveSequence DeletionNucleic Acid HeteroduplexesSaccharomyces cerevisiae ProteinsGenomic LibraryDisease Models, AnimalGenetic TestingX ChromosomePromoter Regions, GeneticRNA