Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesMutationRepetitive Sequences, Nucleic AcidBase SequenceTandem Repeat SequencesSpinocerebellar AtaxiasMolecular Sequence DataMachado-Joseph DiseaseHeredodegenerative Disorders, Nervous SystemGenetic MarkersMinisatellite RepeatsPolymorphism, GeneticDNANerve Tissue ProteinsGenomic InstabilityDinucleotide RepeatsPedigreePolymerase Chain ReactionGenetic VariationGenetic LociFrontotemporal DementiaFlap EndonucleasesAnticipation, GeneticNucleic Acid ConformationChromosome MappingDNA, SatelliteInverted Repeat SequencesSequence Analysis, DNAGenotypeAge of OnsetCerebellar AtaxiaModels, GeneticIntranuclear Inclusion BodiesGenetic Diseases, InbornChromosome FragilityMuscular Dystrophy, OculopharyngealPhenotypeGenetic LinkageRNA-Binding ProteinsDNA PrimersGene FrequencyGenetics, PopulationHeterozygoteAmyotrophic Lateral SclerosisNuclear ProteinsGenome, HumanHaplotypesNeurodegenerative DiseasesDNA RepairPeptidesProteinsEvolution, MolecularAmino Acid SequenceGenes, DominantMice, TransgenicDNA, PlantReceptors, AndrogenTranscription, GeneticRecombination, GeneticExonsDNA ReplicationMutS Homolog 2 ProteinQuantitative Trait LociSaccharomyces cerevisiaeDNA-Binding ProteinsPhylogenyExpressed Sequence TagsRepetitive Sequences, Amino AcidRNA, MessengerMyoclonic Epilepsies, ProgressiveChromosomes, Human, XTandem Mass SpectrometryDNA Mutational AnalysisX ChromosomeNucleic Acid HeteroduplexesSpecies SpecificityDisease Models, Animal