Muscular Atrophy, SpinalSMN Complex ProteinsSurvival of Motor Neuron 1 ProteinSpinal Muscular Atrophies of ChildhoodSurvival of Motor Neuron 2 ProteinRibonucleoproteins, Small NuclearAtrophyMuscular AtrophySpinal CordMotor NeuronsNeuronal Apoptosis-Inhibitory ProteinCyclic AMP Response Element-Binding ProteinRNA-Binding ProteinsAnterior Horn CellsMuscular Disorders, AtrophicBulbo-Spinal Atrophy, X-LinkedNerve Tissue ProteinsSpinal Cord InjuriesDEAD Box Protein 20Chromosomes, Human, Pair 5ExonsSpinal Cord DiseasesCoiled BodiesMotor Neuron DiseasesnRNP Core ProteinsDisease Models, AnimalSeverity of Illness IndexOptic AtrophyPedigreeHeterozygote DetectionMuscle, SkeletalGlycine-tRNA LigaseMice, TransgenicPhenotypeSpinal Nerve RootsInjections, SpinalGene DeletionNeuromuscular Junction DiseasesHomozygoteSpinal NervesRNA SplicingArthrogryposisMultiple System AtrophyAnesthesia, SpinalElectromyographyAxonsNeuromuscular JunctionContractureNerve DegenerationNeuromuscular DiseasesCharcot-Marie-Tooth DiseaseReceptors, AndrogenGene DosageMutationSpinal Cord NeoplasmsSpinal CanalMuscle WeaknessVocal Cord ParalysisSpinal DiseasesSpinal Cord CompressionGenes, RecessiveNeural ConductionChemistry, AnalyticGenetic LinkageGenes, DominantSpinal NeoplasmsFasciculationPrenatal DiagnosisGenetic CounselingSpliceosomes