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 SystemNerve Tissue ProteinsMolecular Sequence DataGenomic InstabilityFrontotemporal DementiaMicrosatellite RepeatsFlap EndonucleasesDNAAnticipation, GeneticNucleic Acid ConformationInverted Repeat SequencesMinisatellite RepeatsPedigreeTandem Repeat SequencesCerebellar AtaxiaAge of OnsetIntranuclear Inclusion BodiesChromosome FragilityMuscular Dystrophy, OculopharyngealPolymerase Chain ReactionRNA-Binding ProteinsGenetic Diseases, InbornPolymorphism, GeneticNuclear ProteinsAmyotrophic Lateral SclerosisPhenotypeNeurodegenerative DiseasesSequence Analysis, DNAProteinsPeptidesDNA RepairModels, GeneticReceptors, AndrogenTranscription, GeneticMice, TransgenicDNA PrimersGenotypeRNA, MessengerDNA-Binding ProteinsGenome, HumanGenes, DominantDNA ReplicationAmino Acid SequenceGenetic MarkersSaccharomyces cerevisiaeMyoclonic Epilepsies, ProgressiveHeterozygoteExonsMutS Homolog 2 ProteinDisease Models, AnimalRepetitive Sequences, Amino AcidNucleic Acid HeteroduplexesTranscription FactorsGene FrequencyGenetic VariationChromosome MappingSaccharomyces cerevisiae Proteins