Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesRepetitive Sequences, Nucleic AcidMutationBase SequenceMolecular Sequence DataTandem Repeat SequencesSpinocerebellar AtaxiasMachado-Joseph DiseaseDNAHeredodegenerative Disorders, Nervous SystemMinisatellite RepeatsDinucleotide RepeatsAmino Acid MotifsPolymorphism, GeneticNerve Tissue ProteinsGenomic InstabilityNucleic Acid ConformationPolymerase Chain ReactionGenetic MarkersFrontotemporal DementiaFlap EndonucleasesPedigreeAnticipation, GeneticGenetic VariationSequence Analysis, DNAInverted Repeat SequencesModels, GeneticDNA, SatelliteCerebellar AtaxiaAge of OnsetIntranuclear Inclusion BodiesChromosome FragilityGenetic Diseases, InbornRNA-Binding ProteinsDNA PrimersMuscular Dystrophy, OculopharyngealGenotypeAmino Acid SequenceChromosome MappingNuclear ProteinsPhenotypeDNA RepairAmyotrophic Lateral SclerosisPeptidesGenome, HumanGene FrequencyHaplotypesNeurodegenerative DiseasesGenetics, PopulationEvolution, MolecularHeterozygoteProteinsDNA ReplicationTranscription, GeneticGenetic LinkageRepetitive Sequences, Amino AcidSaccharomyces cerevisiaeDNA-Binding ProteinsReceptors, AndrogenNucleic Acid HeteroduplexesMice, TransgenicRecombination, GeneticPhylogenyDNA, PlantExonsGenes, DominantMutS Homolog 2 ProteinSequence DeletionRNA, MessengerExpressed Sequence TagsCell LineSaccharomyces cerevisiae ProteinsTandem Mass SpectrometryMyoclonic Epilepsies, ProgressiveDNA Mutational AnalysisSpecies SpecificityChromosomes, Human, XRNAGenetic LociFrameshift MutationOligodeoxyribonucleotidesDisease Models, AnimalDNA, FungalPromoter Regions, GeneticNucleotide Motifs