Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesMutationRepetitive Sequences, Nucleic AcidBase SequenceSpinocerebellar AtaxiasMachado-Joseph DiseaseMolecular Sequence DataHeredodegenerative Disorders, Nervous SystemPropensity ScoreNerve Tissue ProteinsGenomic InstabilityDinucleotide RepeatsPolymorphism, GeneticDNAGenetic MarkersMinisatellite RepeatsFrontotemporal DementiaFlap EndonucleasesPedigreeAnticipation, GeneticTandem Repeat SequencesPolymerase Chain ReactionNucleic Acid ConformationGenetic VariationInverted Repeat SequencesDNA, SatelliteCerebellar AtaxiaAge of OnsetIntranuclear Inclusion BodiesSequence Analysis, DNAChromosome FragilityGenetic Diseases, InbornMuscular Dystrophy, OculopharyngealGenotypeRNA-Binding ProteinsModels, GeneticDNA PrimersAmyotrophic Lateral SclerosisPhenotypeChromosome MappingNeurodegenerative DiseasesGene FrequencyHaplotypesHeterozygoteNuclear ProteinsGenetics, PopulationPeptidesProteinsDNA RepairGenome, HumanGenetic LinkageReceptors, AndrogenMice, TransgenicEvolution, MolecularMutS Homolog 2 ProteinGenes, DominantDNA ReplicationDNA, PlantAmino Acid SequenceExonsTranscription, GeneticSaccharomyces cerevisiaeMyoclonic Epilepsies, ProgressiveExpressed Sequence TagsDNA-Binding ProteinsRecombination, GeneticRepetitive Sequences, Amino AcidChromosomes, Human, XDisease Models, AnimalNucleic Acid HeteroduplexesRNA, MessengerDNA Mutational AnalysisGenetic LociPhylogeny