OsteoclastsBone ResorptionRANK LigandReceptor Activator of Nuclear Factor-kappa BOsteopetrosisAcid PhosphataseOsteoprotegerinCathepsin KBone and BonesOsteoblastsMacrophage Colony-Stimulating FactorCell DifferentiationBone RemodelingOsteolysisOsteogenesisBone Marrow CellsCells, CulturedNFATC Transcription FactorsVacuolar Proton-Translocating ATPasesMembrane GlycoproteinsOsteocytesDiphosphonatesCalcitoninSkullBone DevelopmentBone MatrixCarrier ProteinsOsteoporosisReceptors, Tumor Necrosis FactorCathepsinsReceptor, Macrophage Colony-Stimulating FactorBone NeoplasmsIsoenzymesBone Density Conservation AgentsBone DensityMice, Inbred C57BLSignal TransductionAlendronateMice, KnockoutBone DiseasesCoculture TechniquesMacrophagesOsteitis DeformansBone Diseases, MetabolicStem CellsTartratesReceptors, Cytoplasmic and NuclearTNF Receptor-Associated Factor 6X-Ray MicrotomographyParathyroid HormoneOsteopontinGlycoproteinsFemurCalcitriolCalcification, PhysiologicMonocyte-Macrophage Precursor CellsIntegrin beta3TibiaReceptors, VitronectinCell FusionProto-Oncogene Proteins pp60(c-src)Proto-Oncogene Proteins c-fosMonocytesReverse Transcriptase Polymerase Chain ReactionCell LineMicrophthalmia-Associated Transcription FactorOsteosclerosisGiant CellsNF-kappa BRNA, MessengerDentinMice, TransgenicMice, Inbred ICRCell SurvivalOvariectomyGiant Cell TumorsCell CountGene Expression Regulation