Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesRepetitive Sequences, Nucleic AcidMutationBase SequenceTandem Repeat SequencesSpinocerebellar AtaxiasMolecular Sequence DataMachado-Joseph DiseaseHeredodegenerative Disorders, Nervous SystemMinisatellite RepeatsDinucleotide RepeatsDNAPolymorphism, GeneticNerve Tissue ProteinsGenomic InstabilityNucleic Acid ConformationGenetic MarkersPolymerase Chain ReactionFrontotemporal DementiaFlap EndonucleasesPedigreeAnticipation, GeneticGenetic VariationInverted Repeat SequencesDNA, SatelliteSequence Analysis, DNAModels, GeneticCerebellar AtaxiaAge of OnsetIntranuclear Inclusion BodiesChromosome FragilityGenetic Diseases, InbornMuscular Dystrophy, OculopharyngealGenotypeRNA-Binding ProteinsDNA PrimersChromosome MappingAmyotrophic Lateral SclerosisDNA RepairPhenotypeGene FrequencyHaplotypesGenome, HumanNeurodegenerative DiseasesGenetics, PopulationHeterozygoteNuclear ProteinsPeptidesDNA ReplicationEvolution, MolecularProteinsGenetic LinkageTranscription, GeneticRepetitive Sequences, Amino AcidReceptors, AndrogenAmino Acid SequenceNucleic Acid HeteroduplexesSaccharomyces cerevisiaeMice, TransgenicRecombination, GeneticMutS Homolog 2 ProteinDNA, PlantGenes, DominantExonsDNA-Binding ProteinsPhylogenyExpressed Sequence TagsRNA, MessengerMyoclonic Epilepsies, ProgressiveSequence DeletionTandem Mass SpectrometryChromosomes, Human, XGenetic LociSpecies SpecificityDNA Mutational AnalysisSaccharomyces cerevisiae ProteinsFrameshift MutationDisease Models, Animal