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 SystemGenetic MarkersPolymorphism, GeneticNerve Tissue ProteinsGenomic InstabilityDNADinucleotide RepeatsPedigreeMinisatellite RepeatsGenetic LociFrontotemporal DementiaPolymerase Chain ReactionFlap EndonucleasesTandem Repeat SequencesGenetic VariationAnticipation, GeneticNucleic Acid ConformationInverted Repeat SequencesDNA, SatelliteChromosome MappingSequence Analysis, DNAGenotypeAge of OnsetCerebellar AtaxiaIntranuclear Inclusion BodiesModels, GeneticGenetic Diseases, InbornChromosome FragilityMuscular Dystrophy, OculopharyngealPhenotypeGenetic LinkageRNA-Binding ProteinsDNA PrimersGene FrequencyGenetics, PopulationHeterozygoteAmyotrophic Lateral SclerosisGenome, HumanNuclear ProteinsNeurodegenerative DiseasesHaplotypesDNA RepairProteinsPeptidesGenes, DominantMice, TransgenicEvolution, MolecularReceptors, AndrogenDNA, PlantRecombination, GeneticTranscription, GeneticExonsMutS Homolog 2 ProteinQuantitative Trait LociDNA ReplicationSaccharomyces cerevisiaeExpressed Sequence TagsAmino Acid SequenceDNA-Binding ProteinsMyoclonic Epilepsies, ProgressivePhylogenyChromosomes, Human, XDNA Mutational AnalysisRNA, MessengerRepetitive Sequences, Amino AcidNucleic Acid HeteroduplexesX ChromosomeDisease Models, AnimalSpecies Specificity