Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinIron-Binding ProteinsAllelesMutationRepetitive Sequences, Nucleic AcidBase SequenceGenetic Diseases, InbornMolecular Sequence DataMachado-Joseph DiseaseSpinocerebellar AtaxiasNucleotidesHeredodegenerative Disorders, Nervous SystemNerve Tissue ProteinsPedigreeDNAMicrosatellite RepeatsNucleic Acid ConformationGenomic InstabilityFlap EndonucleasesFrontotemporal DementiaAnticipation, GeneticInverted Repeat SequencesMinisatellite RepeatsTandem Repeat SequencesAge of OnsetPolymerase Chain ReactionCerebellar AtaxiaIntranuclear Inclusion BodiesPhenotypeChromosome FragilityRNA-Binding ProteinsPolymorphism, GeneticMuscular Dystrophy, OculopharyngealSequence Analysis, DNAChromosome MappingModels, GeneticAmino Acid SequenceGenetic MarkersNuclear ProteinsGenome, HumanProteinsGenotypeGenetic LinkageAmyotrophic Lateral SclerosisDiseaseDNA RepairGenes, DominantNeurodegenerative DiseasesPeptidesHaplotypesDNA PrimersPolymorphism, Single NucleotideExonsTranscription, GeneticGenetic VariationGene FrequencyRNA, MessengerDNA Mutational AnalysisHeterozygoteMice, TransgenicReceptors, AndrogenSaccharomyces cerevisiaeDNA ReplicationDNA-Binding ProteinsRepetitive Sequences, Amino AcidGenetic Predisposition to DiseaseChromosomes, Human, XCloning, MolecularGenetic TestingDisease Models, AnimalMyoclonic Epilepsies, ProgressiveNucleic Acid HeteroduplexesCell LineMutS Homolog 2 ProteinRecombination, GeneticRNADNA, SatelliteSequence DeletionSaccharomyces cerevisiae Proteins