Trinucleotide Repeat ExpansionTrinucleotide RepeatsMicrosatellite RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinIron-Binding ProteinsAllelesRepetitive Sequences, Nucleic AcidMutationBase SequenceSpinocerebellar AtaxiasMachado-Joseph DiseaseHeredodegenerative Disorders, Nervous SystemMolecular Sequence DataNerve Tissue ProteinsGenomic InstabilityDinucleotide RepeatsPolymorphism, GeneticDNAMinisatellite RepeatsGenetic MarkersFrontotemporal DementiaFlap EndonucleasesPedigreeAnticipation, GeneticTandem Repeat SequencesPolymerase Chain ReactionGenetic VariationNucleic Acid ConformationInverted Repeat SequencesDNA, SatelliteCerebellar AtaxiaAge of OnsetIntranuclear Inclusion BodiesSequence Analysis, DNAChromosome FragilityMuscular Dystrophy, OculopharyngealGenetic Diseases, InbornGenotypeRNA-Binding ProteinsModels, GeneticPhenotypeDNA PrimersAmyotrophic Lateral SclerosisHaplotypesChromosome MappingGenetics, PopulationNeurodegenerative DiseasesGene FrequencyNuclear ProteinsHeterozygoteDNA RepairPeptidesGenome, HumanProteinsGenetic LinkageMice, TransgenicReceptors, AndrogenEvolution, MolecularMutS Homolog 2 ProteinGenes, DominantDNA, PlantDNA ReplicationExonsTranscription, GeneticMyoclonic Epilepsies, ProgressiveSaccharomyces cerevisiaeExpressed Sequence TagsDNA-Binding ProteinsPhylogenyRecombination, GeneticRepetitive Sequences, Amino AcidAmino Acid SequenceChromosomes, Human, XDisease Models, AnimalRNA, MessengerNucleic Acid HeteroduplexesGenetic LociDNA Mutational Analysis