Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinIron-Binding ProteinsAllelesMutationRepetitive Sequences, Nucleic AcidGenomeBase SequenceSpinocerebellar AtaxiasMachado-Joseph DiseaseHeredodegenerative Disorders, Nervous SystemMolecular Sequence DataGenomic InstabilityNerve Tissue ProteinsGenome, BacterialMicrosatellite RepeatsDNAGenome, HumanFrontotemporal DementiaFlap EndonucleasesAnticipation, GeneticNucleic Acid ConformationGenome, ViralInverted Repeat SequencesTandem Repeat SequencesMinisatellite RepeatsPedigreeSequence Analysis, DNACerebellar AtaxiaAge of OnsetPolymerase Chain ReactionIntranuclear Inclusion BodiesChromosome FragilityMuscular Dystrophy, OculopharyngealGenetic Diseases, InbornRNA-Binding ProteinsGenome, PlantPolymorphism, GeneticAmyotrophic Lateral SclerosisPhenotypeModels, GeneticNuclear ProteinsNeurodegenerative DiseasesDNA RepairProteinsPeptidesGenotypeAmino Acid SequenceTranscription, GeneticMice, TransgenicDNA PrimersReceptors, AndrogenChromosome MappingGenetic VariationDNA ReplicationGenetic MarkersEvolution, MolecularGenome, MitochondrialGenome, FungalPhylogenySaccharomyces cerevisiaeExonsRNA, MessengerGenes, DominantRecombination, GeneticDNA-Binding ProteinsMyoclonic Epilepsies, ProgressiveDisease Models, AnimalHeterozygoteRepetitive Sequences, Amino AcidMutS Homolog 2 ProteinNucleic Acid HeteroduplexesCell LineGene FrequencySaccharomyces cerevisiae ProteinsHaplotypes