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, AnimalInfant, NewbornOptic AtrophyInfant, PrematurePedigreeArgininosuccinate LyaseGlycine-tRNA LigaseMuscle, SkeletalSpinal Nerve RootsMice, TransgenicInjections, SpinalPhenotypeGene DeletionNeuromuscular Junction DiseasesSpinal NervesRNA SplicingHomozygoteArthrogryposisMultiple System AtrophyAnesthesia, SpinalElectromyographyAxonsDyskeratosis CongenitaContractureNerve DegenerationDysgerminomaReceptors, AndrogenCharcot-Marie-Tooth DiseaseGene DosageMutationSpinal Cord NeoplasmsSpinal CanalVocal Cord ParalysisMuscle WeaknessSpinal DiseasesSpinal Cord CompressionGenes, RecessiveNeural ConductionChemistry, AnalyticPrenatal DiagnosisSpinal NeoplasmsGenetic LinkageGenes, DominantFasciculationInfant, Premature, DiseasesInfant CareInfant FoodGenetic CounselingSpliceosomesRespiratory ParalysisAlternative SplicingAmyotrophic Lateral SclerosisMagnetic Resonance ImagingBulbar Palsy, ProgressiveSpinal StenosisSpinal FusionValproic AcidMotor ActivityGenetic TestingMolecular Sequence DataAclarubicinFibroblastsOlivopontocerebellar AtrophiesMuscular DystrophiesMutation, MissenseBase SequenceHereditary Sensory and Motor NeuropathyGenetic TherapyInfant FormulaHeterogeneous-Nuclear Ribonucleoprotein Group A-BHeLa CellsMusclesSpinal InjuriesRNA, MessengerMuscle Strength Dynamometer