Spastic Paraplegia, HereditaryParaplegiaGenes, RecessiveParaparesis, SpasticPedigreeMuscle SpasticityConsanguinityGenes, DominantMutationAdaptor Protein Complex 4Lod ScoreMutation, MissenseCerebellar AtaxiaSyndromeAdenosine TriphosphatasesGenetic LinkagePhenotypeParaparesis, Tropical SpasticDNA Mutational AnalysisHomozygoteChromosome MappingChromosomes, Human, Pair 2Agenesis of Corpus CallosumHeterozygoteReflex, BabinskiIntellectual DisabilityGenetic HeterogeneitySpasmPolycystic Kidney, Autosomal RecessiveOptic AtrophyExomeAge of OnsetPelizaeus-Merzbacher DiseaseSpinal Cord IschemiaHereditary Sensory and Motor NeuropathyCerebral PalsySpinocerebellar DegenerationsCodon, NonsenseHuman CharacteristicsHaplotypesQuadriplegiaExonsMolecular Sequence DataSpinal CordLeukocyte L1 Antigen ComplexSex Chromosome AberrationsATP-Dependent ProteasesSpinal Cord InjuriesMotor NeuronsMyelin Proteolipid ProteinBase SequenceRetinitis PigmentosaGenotypeCorpus CallosumMetalloendopeptidasesAxonsGenetic MarkersMicrocephalyAbnormalities, MultipleX ChromosomeTuberculosis, SpinalGTP PhosphohydrolasesFamily HealthOptic Atrophies, HereditaryParaparesisAortic Aneurysm, ThoracicMembrane ProteinsMotor Neuron DiseasePoint MutationIchthyosisMicrotubulesAmino Acid SequenceMagnetic Resonance ImagingSpinal Cord CompressionHydrocephalusChromosomes, Human, Pair 14Chromosomes, Human, Pair 15HypotrichosisNeural ConductionMembrane Transport ProteinsLaminectomyFrameshift MutationProteinsDisease Models, AnimalIchthyosiform Erythroderma, CongenitalSequence Analysis, DNABrainNerve DegenerationEndosomesEquinus Deformity