OsteoclastsRANK LigandBone ResorptionReceptor Activator of Nuclear Factor-kappa BOsteoprotegerinMacrophage Colony-Stimulating FactorAcid PhosphataseOsteoblastsCell DifferentiationBone and BonesBone Marrow CellsCathepsin KOsteolysisCells, CulturedNFATC Transcription FactorsOsteogenesisMembrane GlycoproteinsOsteopetrosisCarrier ProteinsBone RemodelingReceptors, Tumor Necrosis FactorInterleukin-1Coculture TechniquesCalcitriolMonocyte-Macrophage Precursor CellsMice, Inbred C57BLInterleukin-6Osteitis DeformansTumor Necrosis Factor-alphaReceptors, Cytoplasmic and NuclearInterleukin-11MacrophagesSkullSignal TransductionBone NeoplasmsMice, Inbred ICRMice, KnockoutGlycoproteinsTNF Receptor-Associated Factor 6OsteoporosisMonocytesIsoenzymesNF-kappa BRNA, MessengerOsteocytesStromal CellsParathyroid HormoneBone DevelopmentCytokinesReceptors, CalcitoninParathyroid Hormone-Related ProteinCalcitoninDental SacReverse Transcriptase Polymerase Chain ReactionGene Expression RegulationVacuolar Proton-Translocating ATPasesCell LineDromaiidaeReceptor, Macrophage Colony-Stimulating FactorReceptors, InterleukinCulture Media, ConditionedProto-Oncogene Proteins c-fosBone DensityRecombinant ProteinsStem CellsDinoprostoneInterleukin-2Cell FusionBone DiseasesMultiple MyelomaSynovial MembraneArthritis, RheumatoidGiant CellsInterleukin-18Mice, TransgenicGene ExpressionParacrine CommunicationReceptors, VitronectinUp-RegulationOvariectomyCell DivisionBone MarrowT-LymphocytesLipopolysaccharidesDose-Response Relationship, DrugDown-RegulationCell Culture TechniquesMice, Inbred BALB CArthritis, ExperimentalProstaglandin AntagonistsCell CountCell SurvivalAutocrine CommunicationInterleukin-4SpleenMice, Inbred C3HAntigens, CDInterleukinsBone Morphogenetic Protein 2Extracellular Signal-Regulated MAP Kinases