Muscular Atrophy, SpinalGlycine-tRNA LigaseSpinal Muscular Atrophies of ChildhoodSurvival of Motor Neuron 1 ProteinSMN Complex ProteinsSurvival of Motor Neuron 2 ProteinVocal Cord ParalysisMuscular AtrophyAtrophyNeuronal Apoptosis-Inhibitory ProteinSpinal CordCyclic AMP Response Element-Binding ProteinRNA-Binding ProteinsMotor NeuronsAnterior Horn CellsNerve Tissue ProteinsRibonucleoproteins, Small NuclearDEAD Box Protein 20Muscular Disorders, AtrophicChromosomes, Human, Pair 5Bulbo-Spinal Atrophy, X-LinkedSpinal Cord InjuriesExonsCoiled BodiessnRNP Core ProteinsSpinal Cord DiseasesMotor Neuron DiseaseDisease Models, AnimalHeterozygote DetectionPedigreeGene DeletionNeuromuscular Junction DiseasesPhenotypeRNA SplicingMice, TransgenicHomozygoteMuscle, SkeletalOptic AtrophyArthrogryposisNeuromuscular JunctionGene DosageAxons