Muscular Atrophy, SpinalSpinal Muscular Atrophies of ChildhoodSurvival of Motor Neuron 1 ProteinSMN Complex ProteinsSurvival of Motor Neuron 2 ProteinMotor NeuronsSpinal CordMuscular AtrophyAtrophyNeuronal Apoptosis-Inhibitory ProteinMotor Neuron DiseaseCyclic AMP Response Element-Binding ProteinNeuronsRNA-Binding ProteinsAnterior Horn CellsNerve Tissue ProteinsRibonucleoproteins, Small NuclearDEAD Box Protein 20Muscular Disorders, AtrophicBulbo-Spinal Atrophy, X-LinkedSpinal Cord InjuriesChromosomes, Human, Pair 5ExonsCoiled BodiesDisease Models, AnimalAmyotrophic Lateral SclerosisNeurons, AfferentsnRNP Core ProteinsCell SurvivalAxonsSpinal Cord DiseasesMotor ActivityMice, TransgenicMotor CortexEvoked Potentials, MotorSurvival RateNerve DegenerationNeuromuscular DiseasesNeuromuscular JunctionElectromyographyMuscle, SkeletalPedigreePhenotypeHeterozygote DetectionMutationGene DeletionGlycine-tRNA LigaseHomozygoteNeuromuscular Junction DiseasesRNA SplicingAction PotentialsNeural ConductionCells, CulturedTime FactorsArthrogryposisImmunohistochemistrySpinal Nerve RootsOptic AtrophyFasciculationGene DosageBulbar Palsy, ProgressiveSynapsesMolecular Sequence DataMice, KnockoutAnimals, NewbornCharcot-Marie-Tooth DiseaseSpinal NervesGenes, DominantContractureRNA, MessengerSpliceosomesInjections, SpinalGenes, RecessiveMusclesGanglia, SpinalAlternative SplicingMuscle WeaknessChemistry, AnalyticMice, Inbred C57BLGenetic LinkagePrenatal DiagnosisElectric StimulationBase SequenceVocal Cord ParalysisBrainSurvival AnalysisCentral Nervous SystemHereditary Sensory and Motor NeuropathyDisease-Free SurvivalGenetic CounselingGrowth ConesNeuritesRespiratory ParalysisFibroblastsGene Expression RegulationValproic AcidMutation, MissenseSurvivalGenetic TestingMultiple System Atrophy