Muscular Atrophy, SpinalSpinal Muscular Atrophies of ChildhoodSurvival of Motor Neuron 1 ProteinSMN Complex ProteinsSurvival of Motor Neuron 2 ProteinMuscular AtrophyCyclic AMP Response Element-Binding ProteinAtrophyRNA-Binding ProteinsSpinal CordNerve Tissue ProteinsNeuronal Apoptosis-Inhibitory ProteinExonsMotor NeuronsAnterior Horn CellsMuscular Disorders, AtrophicBulbo-Spinal Atrophy, X-LinkedSpinal Cord InjuriesRibonucleoproteins, Small NuclearDEAD Box Protein 20Chromosomes, Human, Pair 5Spinal Cord DiseasesCoiled BodiesMotor Neuron DiseasesnRNP Core ProteinsDisease Models, AnimalOptic AtrophyPedigreeHeterozygote DetectionMuscle, SkeletalMice, TransgenicGlycine-tRNA LigasePhenotypeSpinal Nerve RootsInjections, SpinalGene DeletionNeuromuscular Junction DiseasesHomozygoteSpinal NervesRNA SplicingMultiple System AtrophyArthrogryposisAxonsNerve DegenerationElectromyographyAnesthesia, SpinalNeuromuscular JunctionContractureNeuromuscular DiseasesMutationCharcot-Marie-Tooth DiseaseReceptors, AndrogenGene DosageSpinal Cord NeoplasmsSpinal CanalMuscle WeaknessVocal Cord ParalysisSpinal Cord CompressionGenes, RecessiveSpinal DiseasesNeural ConductionGenes, DominantGenetic LinkageSpinal NeoplasmsChemistry, AnalyticFasciculationBulbar Palsy, ProgressivePrenatal DiagnosisMagnetic Resonance ImagingAmyotrophic Lateral SclerosisGenetic CounselingSpliceosomesRespiratory ParalysisAlternative SplicingSpinal StenosisSpinal Fusion