Trinucleotide Repeat ExpansionTrinucleotide RepeatsChromosomal InstabilityFriedreich AtaxiaDNA Repeat ExpansionPhenotypeSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesGenomic InstabilityMutationRepetitive Sequences, Nucleic AcidBase SequenceTandem Repeat SequencesMolecular Sequence DataSpinocerebellar AtaxiasMachado-Joseph DiseaseHeredodegenerative Disorders, Nervous SystemDNAPolymorphism, GeneticMinisatellite RepeatsDinucleotide RepeatsNerve Tissue ProteinsGenetic MarkersPedigreePolymerase Chain ReactionFlap EndonucleasesAnticipation, GeneticFrontotemporal DementiaGenetic VariationDNA, SatelliteNucleic Acid ConformationInverted Repeat SequencesSequence Analysis, DNAGenotypeAge of OnsetChromosome FragilityCerebellar AtaxiaModels, GeneticJoint InstabilityGenetic Diseases, InbornIntranuclear Inclusion BodiesMuscular Dystrophy, OculopharyngealRNA-Binding ProteinsDNA PrimersChromosome MappingDNA RepairNuclear ProteinsHeterozygoteGene FrequencyHaplotypesAmyotrophic Lateral SclerosisNeurodegenerative DiseasesGenome, HumanGenetics, PopulationGenetic LinkageProteinsPeptidesMutS Homolog 2 ProteinAmino Acid SequenceMice, TransgenicMicrosatellite InstabilityDNA-Binding ProteinsDNA ReplicationTranscription, GeneticSaccharomyces cerevisiaeGenes, DominantEvolution, MolecularRecombination, GeneticExonsReceptors, AndrogenRNA, MessengerDNA Mutational AnalysisDNA, PlantDisease Models, AnimalRepetitive Sequences, Amino AcidCell LineExpressed Sequence TagsPhylogenySaccharomyces cerevisiae ProteinsChromosomes, Human, XMyoclonic Epilepsies, ProgressiveTandem Mass SpectrometryGenetic LociSequence DeletionNucleic Acid HeteroduplexesSpecies SpecificityX ChromosomeGenetic TestingProtein-Serine-Threonine Kinases