Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesChromosome MappingMutationChromosomesBase SequenceTranscription, GeneticRepetitive Sequences, Nucleic AcidTranscription FactorsMolecular Sequence DataDNASpinocerebellar AtaxiasMachado-Joseph DiseaseGenetic MarkersX ChromosomeHeredodegenerative Disorders, Nervous SystemNerve Tissue ProteinsPolymerase Chain ReactionPedigreePolymorphism, GeneticGenomic InstabilityDinucleotide RepeatsNucleic Acid ConformationNuclear ProteinsMinisatellite RepeatsSequence Analysis, DNATandem Repeat SequencesGenetic VariationModels, GeneticFrontotemporal DementiaDNA, SatelliteFlap EndonucleasesChromosome BandingAnticipation, GeneticPhenotypeGenetic LinkageChromosome FragilityInverted Repeat SequencesGenotypeDNA-Binding ProteinsChromosomes, Human, Pair 9RNA, MessengerSex ChromosomesChromosomes, Human, XChromosome AberrationsAge of OnsetAmino Acid SequenceCerebellar AtaxiaPromoter Regions, GeneticChromosomes, Human, Pair 1Chromosomes, HumanRNA-Binding ProteinsIntranuclear Inclusion BodiesGenetic Diseases, InbornCell LineHaplotypesMuscular Dystrophy, OculopharyngealHeterozygoteDNA PrimersGene Expression RegulationGenome, HumanChromosome SegregationSaccharomyces cerevisiaeChromosomes, BacterialChromosome DeletionGene FrequencyChromosomes, Human, Pair 6Chromosomes, PlantRecombination, GeneticProteinsChromosomes, Human, Pair 7Chromosomes, Human, Pair 11DNA ReplicationAmyotrophic Lateral SclerosisChromosomes, Human, Pair 17Genetics, PopulationEvolution, MolecularChromosomes, Human, YChromosomes, MammalianMice, TransgenicDNA RepairNeurodegenerative DiseasesExonsChromosomes, Artificial, BacterialGenes, DominantSaccharomyces cerevisiae ProteinsPeptidesCloning, MolecularChromosomes, Human, Pair 21Chromosomes, Fungal