Spastic Paraplegia, HereditaryParaplegiaGenes, DominantParaparesis, SpasticPedigreeMuscle SpasticityPolycystic Kidney, Autosomal DominantGenes, RecessiveLod ScoreAdaptor Protein Complex 4Genetic LinkageMutationCerebellar AtaxiaMutation, MissenseAdenosine TriphosphatasesParaparesis, Tropical SpasticPhenotypeChromosomes, Human, Pair 2DNA Mutational AnalysisSyndromeReflex, BabinskiChromosome MappingGenetic HeterogeneityAgenesis of Corpus CallosumAge of OnsetSpasmSpinocerebellar DegenerationsSpinal Cord IschemiaPelizaeus-Merzbacher DiseaseHereditary Sensory and Motor NeuropathyHeterozygoteCerebral PalsyOptic AtrophyExomeHuman CharacteristicsConsanguinityQuadriplegiaHaplotypesIntellectual DisabilitySpinal CordTRPP Cation ChannelsMolecular Sequence DataLeukocyte L1 Antigen ComplexGTP PhosphohydrolasesSpinal Cord InjuriesExonsRetinitis PigmentosaATP-Dependent ProteasesMyelin Proteolipid ProteinGenetic MarkersMotor NeuronsCorpus CallosumCodon, NonsenseFamily HealthAortic Aneurysm, ThoracicAxonsMetalloendopeptidasesTuberculosis, SpinalParaparesisSex Chromosome AberrationsOptic Atrophy, Autosomal DominantBase SequenceGenotypeMicrotubulesOptic Atrophies, HereditaryMotor Neuron DiseasePoint MutationMagnetic Resonance ImagingMembrane ProteinsSpinal Cord CompressionX ChromosomeChromosomes, Human, Pair 14Chromosomes, Human, Pair 15Neural ConductionHomozygoteHydrocephalusLaminectomyBrainProteinsPolycystic Kidney DiseasesDisease Models, AnimalAmino Acid SequenceCataractCADASILEquinus DeformityEndoplasmic ReticulumEndosomes