OsteoprotegerinReceptor Activator of Nuclear Factor-kappa BRANK LigandOsteoclastsBone ResorptionReceptors, Tumor Necrosis FactorReceptors, Cytoplasmic and NuclearGlycoproteinsMembrane GlycoproteinsOsteoblastsCarrier ProteinsBone RemodelingOsteolysisBone and BonesAcid PhosphataseMacrophage Colony-Stimulating FactorCell DifferentiationOsteoporosisBone DensityCells, CulturedTissue Plasminogen ActivatorOsteogenesisCathepsin KBone NeoplasmsNFATC Transcription FactorsPlasminogen Activator Inhibitor 1Urokinase-Type Plasminogen ActivatorBone Marrow CellsCalcinosisOsteopetrosisRNA, MessengerNF-kappa BOsteitis DeformansSignal TransductionBone DiseasesVascular CalcificationBiological MarkersCoculture TechniquesTNF Receptor-Associated Factor 6Alveolar Bone LossBone Diseases, MetabolicReverse Transcriptase Polymerase Chain ReactionGene Expression RegulationTumor Necrosis Factor-alphaCell LineMice, Inbred C57BLParathyroid HormoneOsteocalcinAlkaline PhosphataseOsteosclerosisPeriapical GranulomaMice, KnockoutBone Density Conservation AgentsUp-RegulationIsoenzymesTumor Necrosis Factor Decoy ReceptorsTNF-Related Apoptosis-Inducing LigandInterleukin-6Multiple MyelomaDiphosphonatesArthritis, ExperimentalMacrophagesSkullRecombinant ProteinsLigandsGene ExpressionStromal CellsSynovial MembraneArthritis, RheumatoidReceptors, Urokinase Plasminogen ActivatorEnzyme-Linked Immunosorbent AssayPlasminogen ActivatorsCytokinesCulture Media, ConditionedParathyroid Hormone-Related ProteinCollagen Type ICore Binding Factor Alpha 1 SubunitG(M2) Activator ProteinX-Ray MicrotomographyDose-Response Relationship, DrugOsteopontinCalcitriolMonocyte-Macrophage Precursor CellsReceptor, Macrophage Colony-Stimulating FactorPeriodontitisTime FactorsProto-Oncogene Proteins c-fosDisease Models, AnimalDown-RegulationBlotting, WesternCell Line, TumorInterleukin-1HypercalcemiaTranscription FactorsImmunohistochemistryProtein BindingGingivaOvariectomyApoptosis