Muscular Atrophy, SpinalSpinal Muscular Atrophies of ChildhoodSurvival of Motor Neuron 1 ProteinAtrophySMN Complex ProteinsMuscular AtrophySurvival of Motor Neuron 2 ProteinSpinal CordGenetic Diseases, InbornMuscular Disorders, AtrophicBulbo-Spinal Atrophy, X-LinkedSpinal Cord InjuriesNeuronal Apoptosis-Inhibitory ProteinCyclic AMP Response Element-Binding ProteinMotor NeuronsAnterior Horn CellsRNA-Binding ProteinsNerve Tissue ProteinsSpinal Cord DiseasesOptic AtrophyMotor Neuron DiseaseRibonucleoproteins, Small NuclearDisease Models, AnimalExonsDEAD Box Protein 20MutationChromosomes, Human, Pair 5Spinal Nerve RootsInjections, SpinalPedigreeSpinal NervesPhenotypeCoiled BodiesMultiple System AtrophyAnesthesia, SpinalReceptors, AndrogensnRNP Core ProteinsMuscle, SkeletalSpinal Cord NeoplasmsSpinal CanalHeterozygote DetectionMice, TransgenicSpinal DiseasesSpinal Cord CompressionSpinal NeoplasmsGenes, RecessiveGenetic CounselingGenetic TestingBulbar Palsy, ProgressiveSpinal StenosisPrenatal DiagnosisHomozygoteGene DeletionSpinal FusionGenetic TherapyElectromyographyGenetic LinkageTrinucleotide Repeat ExpansionTrinucleotide RepeatsNerve DegenerationRNA SplicingCharcot-Marie-Tooth DiseaseMuscle WeaknessMagnetic Resonance ImagingBase SequenceMolecular Sequence DataContractureOlivopontocerebellar AtrophiesEugenicsNeuromuscular DiseasesAxonsGlycine-tRNA LigaseGenetics, MedicalArthrogryposisNeural ConductionGenes, DominantChromosome MappingVocal Cord ParalysisGene DosageSpinal InjuriesGenetic Diseases, Y-LinkedGyrate AtrophyMutation, MissenseDNA Mutational AnalysisNeuromuscular JunctionPolymerase Chain ReactionNeuromuscular Junction DiseasesAllelesMuscular DystrophiesAmyotrophic Lateral SclerosisGenotypeSpinal Cord IschemiaGanglia, SpinalHeterozygoteAlternative SplicingSural NerveGeographic AtrophyMice, KnockoutBrainFounder Effect