Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionMyotonic DystrophyHeredodegenerative Disorders, Nervous SystemSpinocerebellar DegenerationsFragile X SyndromeFragile X Mental Retardation ProteinHuntington DiseaseIron-Binding ProteinsTripletsAllelesRepetitive Sequences, Nucleic AcidSpinocerebellar AtaxiasMutationBase SequenceFrontotemporal DementiaMolecular Sequence DataMachado-Joseph DiseaseAnticipation, GeneticNerve Tissue ProteinsDNANucleic Acid ConformationGenomic InstabilityFlap EndonucleasesTandem Repeat SequencesPedigreeGenetic Diseases, InbornMicrosatellite RepeatsMinisatellite RepeatsAmyotrophic Lateral SclerosisInverted Repeat SequencesRNA-Binding ProteinsAge of OnsetCerebellar AtaxiaIntranuclear Inclusion BodiesPolymerase Chain ReactionMuscular Dystrophy, OculopharyngealNeurodegenerative DiseasesChromosome FragilityPhenotypePolymorphism, GeneticNuclear ProteinsTranscription, GeneticProteinsModels, GeneticPeptidesDNA PrimersMyoclonic Epilepsies, ProgressiveSequence Analysis, DNARNA, MessengerDNA RepairRepetitive Sequences, Amino AcidAmino Acid SequenceDNA-Binding ProteinsGenotypeDNA ReplicationMice, TransgenicExonsSaccharomyces cerevisiaeGenome, HumanPregnancy, TripletUnverricht-Lundborg SyndromeMyotonic DisordersNucleic Acid HeteroduplexesGenes, DominantReceptors, AndrogenAtaxiaTranscription FactorsNervous System Diseases