Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesPhenotypeMutationRepetitive Sequences, Nucleic AcidBase SequenceTandem Repeat SequencesMolecular Sequence DataSpinocerebellar AtaxiasPedigreeMachado-Joseph DiseaseHeredodegenerative Disorders, Nervous SystemPolymorphism, GeneticNerve Tissue ProteinsDNAGenetic MarkersMinisatellite RepeatsPolymerase Chain ReactionGenomic InstabilityDinucleotide RepeatsGenetic VariationGenotypeFrontotemporal DementiaFlap EndonucleasesAnticipation, GeneticAge of OnsetSequence Analysis, DNANucleic Acid ConformationGenetic Diseases, InbornInverted Repeat SequencesDNA, SatelliteModels, GeneticCerebellar AtaxiaChromosome MappingIntranuclear Inclusion BodiesGenetic LinkageHaplotypesDNA PrimersChromosome FragilityHeterozygoteMuscular Dystrophy, OculopharyngealRNA-Binding ProteinsNuclear ProteinsGene FrequencyAmyotrophic Lateral SclerosisMice, TransgenicGenome, HumanNeurodegenerative DiseasesGenes, DominantProteinsAmino Acid SequenceDisease Models, AnimalDNA Mutational AnalysisExonsGenetics, PopulationDNA RepairPeptidesTranscription, GeneticRNA, MessengerDNA-Binding ProteinsReceptors, AndrogenEvolution, MolecularGenetic Predisposition to DiseaseSaccharomyces cerevisiaeDNA, PlantDNA ReplicationMutS Homolog 2 ProteinGenetic LociPolymorphism, Single NucleotidePhylogenyRecombination, GeneticCell LineGenetic TestingRepetitive Sequences, Amino AcidSequence DeletionPoint MutationExpressed Sequence TagsMyoclonic Epilepsies, ProgressiveTandem Mass SpectrometrySpecies SpecificityChromosomes, Human, XBrainNucleic Acid HeteroduplexesSaccharomyces cerevisiae ProteinsTranscription FactorsGene ExpressionRNAMuscular Atrophy, SpinalX ChromosomePromoter Regions, Genetic