Motor NeuronsNeuronsMotor Neuron DiseaseLigandsCell SurvivalSurvival of Motor Neuron 1 ProteinNeurons, AfferentApoptosisSurvival of Motor Neuron 2 ProteinMotor CortexSurvival RateEvoked Potentials, MotorSpinal CordAmyotrophic Lateral SclerosisCells, CulturedMuscular Atrophy, SpinalApoptosis Regulatory ProteinsMotor ActivityCaspasesSignal TransductionCaspase 3Time FactorsAxonsSMN Complex ProteinsNerve Tissue ProteinsFas Ligand ProteinImmunohistochemistryAction PotentialsProto-Oncogene Proteins c-bcl-2Inhibitor of Apoptosis ProteinsMice, TransgenicCell Line, TumorMice, Inbred C57BLDisease-Free SurvivalIn Situ Nick-End LabelingSurvivalMutationNerve DegenerationDNA FragmentationDisease Models, AnimalCell LineMolecular Motor ProteinsMice, Knockoutbcl-2-Associated X ProteinElectric StimulationSynapsesCell DeathSurvival AnalysisBlotting, WesternNeuromuscular DiseasesMolecular Sequence DataGanglia, InvertebrateRNA, MessengerMitochondriaDose-Response Relationship, DrugSuperoxide DismutaseElectrophysiologyCell DifferentiationX-Linked Inhibitor of Apoptosis ProteinInterneuronsCell ProliferationBrainEnzyme ActivationGraft SurvivalAnimals, NewbornSynaptic TransmissionProtein BindingRats, Sprague-DawleyTransfectionMovementTumor Cells, CulturedCD40 LigandCholinergic NeuronsDopaminergic NeuronsAplysiaMembrane PotentialsCaspase InhibitorsCASP8 and FADD-Like Apoptosis Regulating ProteinApoptosis Inducing FactorGene Expression RegulationCaspase 9Amino Acid SequenceAnterior Horn CellsNeuromuscular JunctionSensory Receptor CellsCell CountElectromyographyGanglia, SpinalMembrane GlycoproteinsTumor Suppressor Protein p53Models, BiologicalDendritesEnzyme InhibitorsPatch-Clamp TechniquesCerebral CortexAntineoplastic AgentsCaspase 8Proto-Oncogene ProteinsAnimals, Genetically ModifiedReverse Transcriptase Polymerase Chain Reaction