Motor NeuronsReceptor, trkBNeuronsMotor Neuron DiseaseSurvival of Motor Neuron 1 ProteinNeurons, AfferentCell SurvivalSurvival of Motor Neuron 2 ProteinMotor CortexSurvival RateEvoked Potentials, MotorSpinal CordAmyotrophic Lateral SclerosisMuscular Atrophy, SpinalMotor ActivityBrain-Derived Neurotrophic FactorAxonsSMN Complex ProteinsNerve Tissue ProteinsAction PotentialsDisease-Free SurvivalTime FactorsSurvivalCells, CulturedReceptor, Ciliary Neurotrophic FactorSynapsesNerve DegenerationElectric StimulationMolecular Motor ProteinsImmunohistochemistryMice, TransgenicNeuromuscular DiseasesGanglia, InvertebrateSurvival AnalysisInterneuronsElectrophysiologySynaptic TransmissionNerve Growth FactorsGraft SurvivalDisease Models, AnimalDendritesMovementHippocampusSuperoxide DismutaseCholinergic NeuronsSignal TransductionAnimals, NewbornBrainAnterior Horn CellsAplysiaMice, Inbred C57BLDopaminergic NeuronsNeuromuscular JunctionReceptors, Nerve Growth FactorSensory Receptor CellsGanglia, SpinalMutationElectromyographyPatch-Clamp TechniquesNeural InhibitionCerebral CortexFacial NerveBulbar Palsy, ProgressiveGABAergic NeuronsModels, NeurologicalMice, KnockoutReceptor, trkCAxonal TransportRats, Sprague-DawleyAnimals, Genetically ModifiedMembrane PotentialsCell Countgamma-Aminobutyric AcidNeuronal PlasticityMotor Skills DisordersBrain StemGreen Fluorescent ProteinsCell DifferentiationBehavior, AnimalAnalysis of VarianceNeuropeptidesGene Expression Regulation, DevelopmentalCentral Nervous SystemNeurotrophin 3Cell DeathTreatment OutcomeCholine O-AcetyltransferaseNeural ConductionApoptosisNerve NetExcitatory Postsynaptic PotentialsGangliaChick EmbryoNeurofilament ProteinsCyclic AMP Response Element-Binding ProteinGlutamic AcidGrasshoppersLocomotionNeurons, EfferentRNA, Messenger