2011
Actin and ERK1/2-CEBPβ signaling mediates phagocytosis-induced innate immune response of osteoprogenitor cells
Lee HG, Minematsu H, Kim KO, Aydemir A, Shin MJ, Nizami SA, Chung KJ, Hsu AC, Jacobs CR, Lee FY. Actin and ERK1/2-CEBPβ signaling mediates phagocytosis-induced innate immune response of osteoprogenitor cells. Biomaterials 2011, 32: 9197-9206. PMID: 21899882, PMCID: PMC3193180, DOI: 10.1016/j.biomaterials.2011.08.059.Peer-Reviewed Original ResearchMeSH KeywordsActinsAdhesivenessAnimalsBenzimidazolesBone and BonesCCAAT-Enhancer-Binding Protein-betaCyclooxygenase 2Cytochalasin DExtracellular Signal-Regulated MAP KinasesGene Expression RegulationHumansImmunity, InnateInflammationInterleukin-6MAP Kinase Signaling SystemMiceModels, BiologicalOsteogenesisOsteolysisPhagocytosisProtein Kinase InhibitorsSignal TransductionSkullStem CellsTime FactorsTitaniumConceptsInflammatory osteolysisInflammatory responseMacrophage-mediated inflammatory responsesKey inflammatory pathwaysSuitable therapeutic targetInflammatory gene expressionInnate immune responseOsteoprogenitor cellsInflammatory cascadeInflammatory pathwaysImmune responseTherapeutic targetHost bone-implant interfaceAZD6244 treatmentIntracellular mechanismsBone-implant interfaceBone formationCellular mechanismsERK pathwayInflammationΒ pathwayOsteoclastogenesisOsteolysisIntracellular signalingImplant osteointegration
2005
μ-Calpain Regulates Receptor Activator of NF-κB Ligand (RANKL)-supported Osteoclastogenesis via NF-κB Activation in RAW 264.7 Cells*
Lee FY, Kim DW, Karmin JA, Hong D, Chang SS, Fujisawa M, Takayanagi H, Bigliani LU, Blaine TA, Lee HJ. μ-Calpain Regulates Receptor Activator of NF-κB Ligand (RANKL)-supported Osteoclastogenesis via NF-κB Activation in RAW 264.7 Cells*. Journal Of Biological Chemistry 2005, 280: 29929-29936. PMID: 15955824, DOI: 10.1074/jbc.m414600200.Peer-Reviewed Original ResearchConceptsRAW 264.7 cellsNF-kappaB activationReceptor activatorCalpain inhibitorsCell-permeable calpain inhibitorMatrix metalloproteinase-9Regulation of RANKLNF-κB activationNF-κB ligandNF-kappaB ligandMonocyte/macrophage progenitorsRole of calpainMurine RAW 264.7 cellsCell typesMetalloproteinase-9Osteoclastogenic markersCalpain activationResistant acidDecreased expressionOsteoclastogenesisRANKLCalpain activityMu-calpainInhibitorsActivation