Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyDNA Mismatch RepairFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesDNA RepairMutS Homolog 2 ProteinBase Pair MismatchMutationBase SequenceRepetitive Sequences, Nucleic AcidMolecular Sequence DataMutS DNA Mismatch-Binding ProteinTandem Repeat SequencesNucleic Acid HeteroduplexesDNASpinocerebellar AtaxiasGenomic InstabilityDNA-Binding ProteinsDNA Repair EnzymesMachado-Joseph DiseaseNuclear ProteinsDinucleotide RepeatsPolymerase Chain ReactionHeredodegenerative Disorders, Nervous SystemPolymorphism, GeneticNerve Tissue ProteinsMinisatellite RepeatsGenetic MarkersPedigreeFlap EndonucleasesNucleic Acid ConformationAnticipation, GeneticDNA, SatelliteColorectal Neoplasms, Hereditary NonpolyposisFrontotemporal DementiaGenetic VariationPhenotypeModels, GeneticAdaptor Proteins, Signal TransducingSequence Analysis, DNADNA PrimersInverted Repeat SequencesGenotypeAge of OnsetRecombination, GeneticCerebellar AtaxiaSaccharomyces cerevisiaeIntranuclear Inclusion BodiesChromosome FragilityDNA ReplicationRNA-Binding ProteinsGenetic Diseases, InbornHeterozygoteAmino Acid SequenceMuscular Dystrophy, OculopharyngealProteinsAdenosine TriphosphatasesChromosome MappingMice, TransgenicMicrosatellite InstabilitySaccharomyces cerevisiae ProteinsDNA DamageGene FrequencyDNA Mutational AnalysisCell LineAmyotrophic Lateral SclerosisEndodeoxyribonucleasesRNA, MessengerHaplotypesPeptidesTranscription, GeneticNeurodegenerative DiseasesGenome, HumanGenetics, PopulationDNA, FungalCarrier ProteinsFrameshift MutationExonsGenetic LinkageNeoplasm ProteinsEvolution, MolecularPromoter Regions, GeneticSequence DeletionEscherichia coliGene ExpressionMutagenesisReceptors, AndrogenGenes, DominantGenetic TestingTranscription FactorsDisease Models, Animal