Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeFuchs' Endothelial DystrophyHuntington DiseaseFragile X Mental Retardation ProteinIron-Binding ProteinsAllelesPolymorphism, GeneticMutationRepetitive Sequences, Nucleic AcidPolymorphism, Single NucleotideCollagen Type VIIISpinocerebellar AtaxiasBase SequenceMachado-Joseph DiseaseHeredodegenerative Disorders, Nervous SystemMolecular Sequence DataNerve Tissue ProteinsMicrosatellite RepeatsDNAGenomic InstabilityPedigreePolymerase Chain ReactionFrontotemporal DementiaFlap EndonucleasesMinisatellite RepeatsAnticipation, GeneticGene FrequencyTandem Repeat SequencesNucleic Acid ConformationInverted Repeat SequencesAge of OnsetGenotypeCerebellar AtaxiaIntranuclear Inclusion BodiesChromosome FragilityDescemet Stripping Endothelial KeratoplastyMuscular Dystrophy, OculopharyngealGenetic Diseases, InbornGenetic Predisposition to DiseaseRNA-Binding ProteinsHaplotypesPhenotypeSequence Analysis, DNAEndothelium, CornealKeratoplasty, PenetratingAmyotrophic Lateral SclerosisNuclear ProteinsNeurodegenerative DiseasesGenetic VariationKeratoconusModels, GeneticGenetic MarkersDNA RepairProteinsCase-Control StudiesDNA PrimersPeptidesCorneal EdemaHeterozygoteExonsReceptors, AndrogenGenome, HumanMice, TransgenicDescemet MembraneIridocyclitisGenes, DominantDNA Mutational AnalysisTranscription, GeneticDNA-Binding ProteinsChromosome MappingAmino Acid SequenceDNA ReplicationMyoclonic Epilepsies, ProgressiveRNA, MessengerMutS Homolog 2 ProteinRepetitive Sequences, Amino AcidNucleic Acid HeteroduplexesSaccharomyces cerevisiaePromoter Regions, GeneticDinucleotide RepeatsGenetic LinkageDisease Models, AnimalGenetic TestingChromosomes, Human, X