Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesRepetitive Sequences, Nucleic AcidTandem Repeat SequencesBase SequenceMutationMolecular Sequence DataSpinocerebellar AtaxiasMachado-Joseph DiseaseDNAHeredodegenerative Disorders, Nervous SystemAmino Acid MotifsMinisatellite RepeatsPolymorphism, GeneticDNA, SatelliteNerve Tissue ProteinsGenomic InstabilityDinucleotide RepeatsGenetic MarkersPolymerase Chain ReactionNucleic Acid ConformationFrontotemporal DementiaFlap EndonucleasesPedigreeGenetic VariationAnticipation, GeneticSequence Analysis, DNAInverted Repeat SequencesAmino Acid SequenceCerebellar AtaxiaAge of OnsetIntranuclear Inclusion BodiesRNA-Binding ProteinsModels, GeneticChromosome FragilityGenetic Diseases, InbornChromosome MappingMuscular Dystrophy, OculopharyngealDNA PrimersGenotypeNuclear ProteinsPhenotypePeptidesAmyotrophic Lateral SclerosisProteinsGene FrequencyHaplotypesNeurodegenerative DiseasesGenetics, PopulationHeterozygoteGenome, HumanEvolution, MolecularTranscription, GeneticGenetic LinkageDNA RepairRepetitive Sequences, Amino AcidDNA-Binding ProteinsDNA, PlantExonsSaccharomyces cerevisiaeRecombination, GeneticPhylogenyReceptors, AndrogenDNA ReplicationMice, TransgenicRNA, MessengerGenes, DominantMutS Homolog 2 ProteinCloning, MolecularCell LineExpressed Sequence TagsSpecies SpecificityDNA Mutational AnalysisPromoter Regions, GeneticTandem Mass SpectrometryMyoclonic Epilepsies, ProgressiveSequence DeletionChromosomes, Human, XTranscription FactorsRNANucleic Acid HeteroduplexesGenetic LociSaccharomyces cerevisiae ProteinsSequence AlignmentX ChromosomeOligodeoxyribonucleotidesDisease Models, AnimalDNA, FungalBlotting, SouthernNucleotide Motifs