Motor NeuronsNeuronsMotor Neuron DiseaseCell SurvivalSurvival of Motor Neuron 1 ProteinNeurons, AfferentApoptosisSurvival of Motor Neuron 2 ProteinMotor CortexSurvival RateEvoked Potentials, MotorSpinal CordAmyotrophic Lateral SclerosisCells, CulturedMuscular Atrophy, SpinalMotor ActivityCaspasesSignal TransductionApoptosis Regulatory ProteinsCaspase 3Time FactorsAxonsSMN Complex ProteinsNerve Tissue ProteinsImmunohistochemistryAction PotentialsProto-Oncogene Proteins c-bcl-2Inhibitor of Apoptosis ProteinsMice, TransgenicMice, Inbred C57BLCell Line, TumorDisease-Free SurvivalMutationCell LineMolecular Sequence DataIn Situ Nick-End LabelingSurvivalDisease Models, AnimalNerve DegenerationDNA FragmentationMolecular Motor ProteinsMice, Knockoutbcl-2-Associated X ProteinSynapsesElectric StimulationBlotting, WesternCell DeathRNA, MessengerSurvival AnalysisNeuromuscular DiseasesGanglia, InvertebrateMitochondriaCell Adhesion MoleculesSuperoxide DismutaseElectrophysiologyCell DifferentiationDose-Response Relationship, DrugAmino Acid SequenceCell ProliferationEnzyme ActivationBrainAnimals, NewbornX-Linked Inhibitor of Apoptosis ProteinInterneuronsSynaptic TransmissionGraft SurvivalTransfectionRats, Sprague-DawleyTumor Cells, CulturedMovementModels, BiologicalGene Expression RegulationCholinergic NeuronsMembrane PotentialsDopaminergic NeuronsAplysiaProtein BindingApoptosis Inducing FactorEnzyme InhibitorsCaspase InhibitorsNeuromuscular JunctionTumor Suppressor Protein p53Cell CountGanglia, SpinalDendritesAnterior Horn CellsCaspase 9Sensory Receptor CellsGreen Fluorescent ProteinsElectromyographyCASP8 and FADD-Like Apoptosis Regulating ProteinAntineoplastic AgentsCerebral CortexPatch-Clamp TechniquesPhosphorylationReverse Transcriptase Polymerase Chain ReactionAnimals, Genetically ModifiedProto-Oncogene ProteinsGene Expression Regulation, DevelopmentalBase Sequence