Trinucleotide Repeat ExpansionMyotonic DystrophyTrinucleotide RepeatsDNA Repeat ExpansionFriedreich AtaxiaSpinocerebellar DegenerationsFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinIron-Binding ProteinsMuscular DystrophiesAllelesMyotonic DisordersRepetitive Sequences, Nucleic AcidMutationBase SequenceSpinocerebellar AtaxiasHeredodegenerative Disorders, Nervous SystemMuscular Dystrophy, DuchenneRNA-Binding ProteinsPedigreeMachado-Joseph DiseaseMolecular Sequence DataAnticipation, GeneticGenomic InstabilityCorneal Dystrophies, HereditaryDNANerve Tissue ProteinsMicrosatellite RepeatsMinisatellite RepeatsAge of OnsetMuscular Dystrophy, OculopharyngealFrontotemporal DementiaFlap EndonucleasesNucleic Acid ConformationMuscular Dystrophy, AnimalMyotoniaPolymerase Chain ReactionTandem Repeat SequencesInverted Repeat SequencesProtein-Serine-Threonine KinasesMuscular Dystrophy, FacioscapulohumeralCerebellar AtaxiaPhenotypeIntranuclear Inclusion BodiesChromosome FragilityGenetic Diseases, InbornPolymorphism, GeneticFuchs' Endothelial DystrophyMice, TransgenicExonsNuclear ProteinsGenes, DominantMuscle, SkeletalAmyotrophic Lateral SclerosisRNANeurodegenerative DiseasesModels, GeneticDNA PrimersRNA, MessengerDisease Models, AnimalChromosomes, Human, Pair 19Retinal DystrophiesGenetic MarkersProteinsPeptidesGenotypeSequence Analysis, DNAHeterozygoteDystrophinDNA RepairDNA Mutational AnalysisAmino Acid SequenceGenetic LinkageReceptors, AndrogenTranscription, GeneticAlternative SplicingDNA-Binding ProteinsChromosome MappingGenetic TestingCell LineHaplotypesBlotting, SouthernGene FrequencyGenome, HumanBrainDNA ReplicationMosaicismMyoclonic Epilepsies, ProgressiveRepetitive Sequences, Amino AcidMutS Homolog 2 ProteinMyoblastsNucleic Acid HeteroduplexesSaccharomyces cerevisiaeFounder Effect