Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinExonsMicrosatellite RepeatsCodonIron-Binding ProteinsAllelesMutationBase SequenceRepetitive Sequences, Nucleic AcidMolecular Sequence DataTandem Repeat SequencesSpinocerebellar AtaxiasMachado-Joseph DiseaseHeredodegenerative Disorders, Nervous SystemDNAPolymorphism, GeneticMinisatellite RepeatsPolymerase Chain ReactionNerve Tissue ProteinsGenomic InstabilityPedigreeDinucleotide RepeatsGenetic MarkersNucleic Acid ConformationFrontotemporal DementiaFlap EndonucleasesGenetic VariationAnticipation, GeneticSequence Analysis, DNAInverted Repeat SequencesDNA, SatelliteAge of OnsetCerebellar AtaxiaGenotypeModels, GeneticIntranuclear Inclusion BodiesGenetic Diseases, InbornChromosome FragilityMuscular Dystrophy, OculopharyngealDNA PrimersRNA-Binding ProteinsChromosome MappingPhenotypeCodon, TerminatorAmino Acid SequenceGene FrequencyHeterozygoteHaplotypesNuclear ProteinsAmyotrophic Lateral SclerosisGenetics, PopulationNeurodegenerative DiseasesGenome, HumanProteinsDNA RepairPeptidesGenetic LinkageEvolution, MolecularRNA, MessengerTranscription, GeneticDNA Mutational AnalysisReceptors, AndrogenMice, TransgenicGenes, DominantIntronsCodon, InitiatorDNA, PlantMutS Homolog 2 ProteinSaccharomyces cerevisiaeDNA ReplicationPhylogenyDNA-Binding ProteinsExpressed Sequence TagsRepetitive Sequences, Amino AcidRecombination, GeneticSequence DeletionMyoclonic Epilepsies, ProgressiveTandem Mass SpectrometryChromosomes, Human, XNucleic Acid HeteroduplexesGenetic LociCell LineSpecies SpecificityDisease Models, AnimalPoint MutationPromoter Regions, GeneticCloning, MolecularCodon, NonsenseX ChromosomeRNAGenetic TestingSaccharomyces cerevisiae Proteins