Sphingomyelin PhosphodiesteraseCeramidesSphingomyelinsBenzylidene CompoundsSphingolipidsNiemann-Pick DiseasesCeramidasesGalactosylgalactosylglucosylceramidasePyronesAntipainEnzyme ActivationSphingosinePhosphoric Diester HydrolasesFumonisinsAniline CompoundsApoptosisSignal TransductionDaunorubicinMagnesiumEnzyme InhibitorsHydrolysisCells, CulturedCaveolaeReceptors, Tumor Necrosis Factor, Type IAmidesCell MembraneTumor Necrosis Factor-alphaHL-60 CellsType C PhospholipasesKineticsTumor Cells, CulturedHydrogen-Ion ConcentrationNeutral CeramidasePhospholipidsIsoenzymesCell DeathCell LineBacillus cereusMolecular Sequence DataFibroblastsGlutathioneReceptors, Tumor Necrosis FactorProtein Kinase CAmino Acid SequenceDose-Response Relationship, DrugReactive Oxygen SpeciesTime FactorsNeutral RedNiemann-Pick Disease, Type ATransfectionPhosphorylationCell Line, TumorSerine C-PalmitoyltransferaseLysosomesNiemann-Pick Disease, Type B