Trinucleotide Repeat ExpansionTrinucleotide RepeatsMicrosatellite RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinIron-Binding ProteinsAllelesMutationRepetitive Sequences, Nucleic AcidBase SequenceSpinocerebellar AtaxiasMachado-Joseph DiseaseMolecular Sequence DataHeredodegenerative Disorders, Nervous SystemGenomic InstabilityNerve Tissue ProteinsDNAPolymorphism, GeneticDinucleotide RepeatsGenetic MarkersPolymerase Chain ReactionMinisatellite RepeatsFrontotemporal DementiaFlap EndonucleasesPedigreeAnticipation, GeneticTandem Repeat SequencesNucleic Acid ConformationInverted Repeat SequencesGenetic VariationDNA, SatelliteCerebellar AtaxiaAge of OnsetSequence Analysis, DNAIntranuclear Inclusion BodiesChromosome FragilityGenetic Diseases, InbornMuscular Dystrophy, OculopharyngealGenotypeRNA-Binding ProteinsModels, GeneticDNA PrimersPhenotypeChromosome MappingAmyotrophic Lateral SclerosisHeterozygoteGene FrequencyHaplotypesNeurodegenerative DiseasesDNA RepairGenetics, PopulationNuclear ProteinsPeptidesProteinsGenome, HumanMice, TransgenicGenetic LinkageReceptors, AndrogenRNA, MessengerTranscription, GeneticMutS Homolog 2 ProteinExonsGenes, DominantDNA-Binding ProteinsDisease Models, AnimalDNA ReplicationEvolution, MolecularDNA, PlantAmino Acid SequenceTumor Markers, BiologicalDNA Mutational AnalysisCell LineExpressed Sequence TagsSaccharomyces cerevisiaeMyoclonic Epilepsies, ProgressiveTumor Necrosis Factor-alphaTumor BurdenRecombination, GeneticChromosomes, Human, XRepetitive Sequences, Amino AcidNucleic Acid HeteroduplexesCell Line, TumorGenetic LociPhylogeny