Muscular Atrophy, SpinalSpinal Muscular Atrophies of ChildhoodSurvival of Motor Neuron 1 ProteinSMN Complex ProteinsSurvival of Motor Neuron 2 ProteinMuscular AtrophySpinal CordCyclic AMP Response Element-Binding ProteinAtrophyRNA-Binding ProteinsNerve Tissue ProteinsNeuronal Apoptosis-Inhibitory ProteinExonsSpinal Cord InjuriesMotor NeuronsAnterior Horn CellsMuscular Disorders, AtrophicBulbo-Spinal Atrophy, X-LinkedRibonucleoproteins, Small NuclearDEAD Box Protein 20Spinal Cord DiseasesChromosomes, Human, Pair 5Coiled BodiesMotor Neuron DiseaseDisease Models, AnimalsnRNP Core ProteinsInjections, SpinalSpinal Nerve RootsSpinal NervesAnesthesia, SpinalOptic AtrophySpinal Cord NeoplasmsPedigreeSpinal CanalSpinal DiseasesSpinal Cord CompressionHeterozygote DetectionMuscle, SkeletalSpinal NeoplasmsMice, TransgenicGlycine-tRNA LigasePhenotypeGene DeletionAxonsSpinal StenosisElectromyographySpinal FusionNeuromuscular Junction DiseasesHomozygoteRNA SplicingArthrogryposisMultiple System AtrophyNeuromuscular JunctionNerve DegenerationContractureNeuromuscular DiseasesReceptors, AndrogenCharcot-Marie-Tooth DiseaseMutationGene DosageMuscle WeaknessNeural ConductionVocal Cord ParalysisSpinal InjuriesGenes, RecessiveMagnetic Resonance ImagingChemistry, AnalyticGenes, DominantGenetic LinkageFasciculationAmyotrophic Lateral SclerosisPrenatal DiagnosisRespiratory ParalysisSpinal Cord IschemiaGenetic CounselingSpliceosomesMotor ActivityGanglia, SpinalAlternative SplicingBulbar Palsy, ProgressiveValproic Acid