Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaHuntington DiseaseDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeFragile X Mental Retardation ProteinSpinocerebellar AtaxiasMicrosatellite RepeatsNerve Tissue ProteinsAllelesPeptidesIron-Binding ProteinsMachado-Joseph DiseasePolymorphism, GeneticMutationNuclear ProteinsHeredodegenerative Disorders, Nervous SystemRepetitive Sequences, Nucleic AcidInclusion BodiesIntranuclear Inclusion BodiesPolymorphism, Single NucleotideMolecular Sequence DataBase SequenceReceptors, AndrogenNeurodegenerative DiseasesMuscular Disorders, AtrophicPolymerase Chain ReactionGenetic MarkersGene FrequencyDNAGenetic VariationDinucleotide RepeatsMinisatellite RepeatsGenomic InstabilityMice, TransgenicChest Wall OscillationGenotypeTandem Repeat SequencesHaplotypesSequence Analysis, DNAFrontotemporal DementiaFlap EndonucleasesAnticipation, GeneticNucleic Acid ConformationAge of OnsetCerebellar AtaxiaDisease Models, AnimalInverted Repeat SequencesDNA, SatellitePhenotypeModels, GeneticGenetic Predisposition to DiseaseAmino Acid SequenceDNA PrimersMuscular Atrophy, SpinalGenetic Diseases, InbornMyoclonic Epilepsies, ProgressiveNerve DegenerationChromosome FragilityMuscular Dystrophy, OculopharyngealRNA-Binding ProteinsHeterozygoteChromosome MappingCell LineGenetics, PopulationAmyotrophic Lateral SclerosisExonsBrainCell NucleusNeuronsGenetic LinkageProteinsGenome, HumanDNA RepairPurkinje CellsRepressor ProteinsCase-Control StudiesRepetitive Sequences, Amino AcidCOS CellsProtein BindingEvolution, MolecularTranscription, GeneticGenes, DominantDNA, PlantDNA-Binding ProteinsSaccharomyces cerevisiaeDNA Mutational AnalysisProtein Structure, TertiaryPhylogenyTransfectionMutS Homolog 2 ProteinRNA, MessengerLinkage DisequilibriumGenetic LociExpressed Sequence TagsGreen Fluorescent ProteinsPromoter Regions, Genetic