Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesRepetitive Sequences, Nucleic AcidMutationTandem Repeat SequencesBase SequenceSpinocerebellar AtaxiasMachado-Joseph DiseaseMolecular Sequence DataHeredodegenerative Disorders, Nervous SystemPropensity ScoreMinisatellite RepeatsNerve Tissue ProteinsGenomic InstabilityPolymorphism, GeneticDNADinucleotide RepeatsGenetic MarkersFrontotemporal DementiaPedigreeFlap EndonucleasesPolymerase Chain ReactionAnticipation, GeneticNucleic Acid ConformationGenetic VariationInverted Repeat SequencesDNA, SatelliteCerebellar AtaxiaSequence Analysis, DNAAge of OnsetIntranuclear Inclusion BodiesChromosome FragilityGenetic Diseases, InbornMuscular Dystrophy, OculopharyngealGenotypeRNA-Binding ProteinsModels, GeneticDNA PrimersPhenotypeAmyotrophic Lateral SclerosisChromosome MappingGene FrequencyHaplotypesPeptidesNeurodegenerative DiseasesNuclear ProteinsHeterozygoteProteinsGenetics, PopulationDNA RepairGenome, HumanGenetic LinkageAmino Acid SequenceEvolution, MolecularReceptors, AndrogenMice, TransgenicDNA ReplicationGenes, DominantMutS Homolog 2 ProteinDNA, PlantTranscription, GeneticExonsRepetitive Sequences, Amino AcidSaccharomyces cerevisiaeDNA-Binding ProteinsExpressed Sequence TagsRecombination, GeneticMyoclonic Epilepsies, ProgressiveTandem Mass SpectrometryPhylogenyRNA, MessengerChromosomes, Human, XDisease Models, AnimalNucleic Acid HeteroduplexesDNA Mutational AnalysisGenetic Loci