2012
Aggravation of inflammatory response by costimulation with titanium particles and mechanical perturbations in osteoblast- and macrophage-like cells
Lee HG, Hsu A, Goto H, Nizami S, Lee JH, Cadet ER, Tang P, Shaji R, Chandhanayinyong C, Kweon SH, Oh DS, Tawfeek H, Lee FY. Aggravation of inflammatory response by costimulation with titanium particles and mechanical perturbations in osteoblast- and macrophage-like cells. American Journal Of Physiology - Cell Physiology 2012, 304: c431-c439. PMID: 23255578, PMCID: PMC3602649, DOI: 10.1152/ajpcell.00202.2012.Peer-Reviewed Original ResearchConceptsBone-implant junctionEffect of particlesAbsence of TiWear particlesShear stressMechanical loadingTitanium particlesMetal implantsMechanical perturbationsMechanical strainFluid pressureParticlesBone tissueOsseous integrationTiOsteoprogenitor cellsImplant failureLoadingGene expressionCombined effectMechanical stimuliInterface
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