Trinucleotide Repeat ExpansionFriedreich AtaxiaTrinucleotide RepeatsIron-Binding ProteinsDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinAllelesMutationRepetitive Sequences, Nucleic AcidSpinocerebellar AtaxiasMachado-Joseph DiseaseHeredodegenerative Disorders, Nervous SystemBase SequenceMolecular Sequence DataNerve Tissue ProteinsGenomic InstabilityDNAFrontotemporal DementiaFlap EndonucleasesAnticipation, GeneticMicrosatellite RepeatsIron-Sulfur ProteinsNucleic Acid ConformationInverted Repeat SequencesMinisatellite RepeatsTandem Repeat SequencesAconitate HydratasePedigreeIronCerebellar AtaxiaAge of OnsetIntranuclear Inclusion BodiesChromosome FragilityPhosphotransferases (Alcohol Group Acceptor)Muscular Dystrophy, OculopharyngealGenetic Diseases, InbornPolymerase Chain ReactionRNA-Binding ProteinsPhenotypeChromosomes, Human, Pair 9SculptureAtaxiaAmyotrophic Lateral SclerosisPolymorphism, GeneticNeurodegenerative DiseasesNuclear ProteinsMitochondriaReflex, BabinskiPeptidesProteinsDNA RepairRNA, MessengerSaccharomyces cerevisiaeDisease Models, AnimalMice, TransgenicSequence Analysis, DNAMedicine in ArtReceptors, AndrogenModels, GeneticGenetic LinkageDNA PrimersGenotypeHeterozygoteTranscription, GeneticCell LineAmino Acid SequenceSaccharomyces cerevisiae ProteinsGenes, DominantMyoclonic Epilepsies, ProgressiveDNA ReplicationChromosome MappingGenome, HumanIntronsMutS Homolog 2 ProteinGenetic MarkersRepetitive Sequences, Amino AcidPoint MutationExonsNucleic Acid HeteroduplexesMitochondrial ProteinsDNA-Binding Proteins