Muscular Atrophy, SpinalSpinal Muscular Atrophies of ChildhoodSurvival of Motor Neuron 1 ProteinSMN Complex ProteinsSurvival of Motor Neuron 2 ProteinAtrophyMuscular AtrophySpinal CordNeuronal Apoptosis-Inhibitory ProteinCyclic AMP Response Element-Binding ProteinMotor NeuronsRNA-Binding ProteinsAnterior Horn CellsMuscular Disorders, AtrophicBulbo-Spinal Atrophy, X-LinkedNerve Tissue ProteinsSpinal Cord InjuriesRibonucleoproteins, Small NuclearDEAD Box Protein 20Chromosomes, Human, Pair 5ExonsSpinal Cord DiseasesCoiled BodiesMotor Neuron DiseasesnRNP Core ProteinsDisease Models, AnimalOptic AtrophyPedigreeHeterozygote DetectionMuscle, SkeletalGlycine-tRNA LigaseSpinal Nerve RootsMice, TransgenicInjections, SpinalPhenotypeGene DeletionNeuromuscular Junction DiseasesSpinal NervesRNA SplicingHomozygoteArthrogryposisMultiple System AtrophyMotor ActivityAnesthesia, SpinalElectromyographyAxonsNeuromuscular JunctionContractureNerve DegenerationNeuromuscular DiseasesReceptors, AndrogenCharcot-Marie-Tooth DiseaseGene DosageMutationMuscle WeaknessSpinal Cord NeoplasmsSpinal CanalVocal Cord ParalysisSpinal DiseasesSpinal Cord CompressionGenes, RecessiveNeural ConductionGenetic LinkageChemistry, AnalyticSpinal NeoplasmsGenes, DominantFasciculationPrenatal DiagnosisSpliceosomesGenetic CounselingAlternative SplicingAmyotrophic Lateral SclerosisRespiratory ParalysisSpinal StenosisBulbar Palsy, ProgressiveMagnetic Resonance ImagingSpinal FusionValproic AcidMolecular Sequence DataGenetic TestingFibroblastsAclarubicinBase SequenceMuscular DystrophiesOlivopontocerebellar AtrophiesMutation, MissenseHereditary Sensory and Motor NeuropathyGenetic TherapyHeLa CellsMusclesHeterogeneous-Nuclear Ribonucleoprotein Group A-BMuscle Strength DynamometerSpinal InjuriesRNA, MessengerChromosome MappingGyrate AtrophyScoliosisMice, KnockoutPolymerase Chain ReactionMuscle Strength