Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesRepetitive Sequences, Nucleic AcidMutationBase SequenceSpinocerebellar AtaxiasMachado-Joseph DiseaseMolecular Sequence DataHeredodegenerative Disorders, Nervous SystemNerve Tissue ProteinsGenomic InstabilityDNADinucleotide RepeatsPolymorphism, GeneticGenetic MarkersMinisatellite RepeatsFrontotemporal DementiaFlap EndonucleasesPedigreeAnticipation, GeneticTandem Repeat SequencesPolymerase Chain ReactionNucleic Acid ConformationInverted Repeat SequencesGenetic VariationDNA, SatelliteCerebellar AtaxiaSequence Analysis, DNAAge of OnsetIntranuclear Inclusion BodiesChromosome FragilityGenetic Diseases, InbornMuscular Dystrophy, OculopharyngealRNA-Binding ProteinsGenotypeModels, GeneticChromosome MappingDNA PrimersPhenotypeAmyotrophic Lateral SclerosisNuclear ProteinsGene FrequencyHaplotypesNeurodegenerative DiseasesHeterozygoteGenetics, PopulationDNA RepairGenome, HumanProteinsGenetic LinkagePeptidesReceptors, AndrogenEvolution, MolecularMice, TransgenicExonsTranscription, GeneticAmino Acid SequenceDNA, PlantDNA ReplicationMutS Homolog 2 ProteinGenes, DominantSaccharomyces cerevisiaeExpressed Sequence TagsDNA-Binding ProteinsMyoclonic Epilepsies, ProgressiveRecombination, GeneticPhylogenyRNA, MessengerRepetitive Sequences, Amino AcidChromosomes, Human, XNucleic Acid HeteroduplexesGenetic LociDNA Mutational AnalysisDisease Models, Animal