Spastic Paraplegia, HereditaryParaplegiaParaparesis, SpasticPedigreeGenetic Diseases, InbornMuscle SpasticityMutationMutation, MissenseAdaptor Protein Complex 4Genes, RecessiveGenes, DominantAdenosine TriphosphatasesParaparesis, Tropical SpasticGenetic LinkagePhenotypeCerebellar AtaxiaReflex, BabinskiAgenesis of Corpus CallosumSyndromeSpasmLod ScoreChromosome MappingDNA Mutational AnalysisSpinal Cord IschemiaHeterozygotePelizaeus-Merzbacher DiseaseChromosomes, Human, Pair 2Codon, NonsenseCerebral PalsyHuman CharacteristicsHereditary Sensory and Motor NeuropathyQuadriplegiaOptic AtrophyAge of OnsetGenetic HeterogeneityExonsExomeSpinal CordMolecular Sequence DataLeukocyte L1 Antigen ComplexPoint MutationHereditySpinocerebellar DegenerationsIntellectual DisabilityConsanguinitySpinal Cord InjuriesATP-Dependent ProteasesMyelin Proteolipid ProteinCorpus CallosumBase SequenceMotor NeuronsFamily HealthFerrochelataseMetalloendopeptidasesTuberculosis, SpinalMembrane ProteinsGenotypeGTP PhosphohydrolasesParaparesisAortic Aneurysm, ThoracicAxonsSex Chromosome AberrationsDisease Models, AnimalAmino Acid SequenceGenetic MarkersMicrotubulesSpinal Cord CompressionMotor Neuron DiseaseOptic Atrophies, HereditaryProteinsCystic FibrosisHydrocephalusLaminectomyGenetic TherapyMagnetic Resonance ImagingX ChromosomeNeural ConductionHaplotypesChromosomes, Human, Pair 14Equinus DeformityGenetic TestingGenetic Predisposition to DiseaseChromosomes, Human, Pair 15Genome, Human