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 SystemMinisatellite RepeatsPolymorphism, GeneticNerve Tissue ProteinsGenomic InstabilityGenetic MarkersDNADinucleotide RepeatsPedigreeGenetic VariationFrontotemporal DementiaFlap EndonucleasesPolymerase Chain ReactionAnticipation, GeneticGenetics, PopulationNucleic Acid ConformationInverted Repeat SequencesDNA, SatelliteSequence Analysis, DNAGenetic Diseases, InbornAge of OnsetCerebellar AtaxiaGenotypeModels, GeneticIntranuclear Inclusion BodiesGeneticsChromosome FragilityMuscular Dystrophy, OculopharyngealPhenotypeRNA-Binding ProteinsChromosome MappingDNA PrimersGene FrequencyHaplotypesAmyotrophic Lateral SclerosisHeterozygoteGenetic LinkageGenome, HumanNeurodegenerative DiseasesNuclear ProteinsDNA RepairPeptidesProteinsEvolution, MolecularReceptors, AndrogenDNA, PlantMice, TransgenicAmino Acid SequenceGenes, DominantMutS Homolog 2 ProteinTranscription, GeneticDNA ReplicationExonsRecombination, GeneticExpressed Sequence TagsSaccharomyces cerevisiaePhylogenyRepetitive Sequences, Amino AcidGenetic TestingGenetic LociDNA-Binding ProteinsMyoclonic Epilepsies, ProgressiveTandem Mass SpectrometryChromosomes, Human, XDNA Mutational AnalysisDisease Models, AnimalRNA, MessengerNucleic Acid HeteroduplexesSpecies SpecificityX Chromosome