Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinIron-Binding ProteinsAllelesMutationRepetitive Sequences, Nucleic AcidSpinocerebellar AtaxiasMachado-Joseph DiseaseBase SequenceHeredodegenerative Disorders, Nervous SystemMolecular Sequence DataMicrosatellite RepeatsNerve Tissue ProteinsGenomic InstabilityDNAFrontotemporal DementiaFlap EndonucleasesAnticipation, GeneticPedigreeMinisatellite RepeatsNucleic Acid ConformationInverted Repeat SequencesTandem Repeat SequencesAge of OnsetCerebellar AtaxiaIntranuclear Inclusion BodiesChromosome FragilityPolymerase Chain ReactionMuscular Dystrophy, OculopharyngealGenetic Diseases, InbornRNA-Binding ProteinsPolymorphism, GeneticGenetic LociPhenotypeAmyotrophic Lateral SclerosisNuclear ProteinsNeurodegenerative DiseasesSequence Analysis, DNAModels, GeneticChromosome MappingGenotypeProteinsPeptidesGenetic MarkersDNA RepairMice, TransgenicReceptors, AndrogenDNA PrimersGenes, DominantGenome, HumanGenetic VariationTranscription, GeneticHeterozygoteGenetic LinkageAmino Acid SequenceDNA ReplicationExonsGene FrequencyMyoclonic Epilepsies, ProgressiveDisease Models, AnimalRNA, MessengerDNA-Binding ProteinsSaccharomyces cerevisiaeMutS Homolog 2 ProteinRepetitive Sequences, Amino AcidNucleic Acid HeteroduplexesRecombination, GeneticChromosomes, Human, X