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
2008
What are the local and systemic biologic reactions and mediators to wear debris, and what host factors determine or modulate the biologic response to wear particles?
Tuan RS, Lee FY, T Konttinen Y, Wilkinson JM, Smith RL. What are the local and systemic biologic reactions and mediators to wear debris, and what host factors determine or modulate the biologic response to wear particles? Journal Of The American Academy Of Orthopaedic Surgeons 2008, 16 Suppl 1: s42-8. PMID: 18612013, PMCID: PMC2714366, DOI: 10.5435/00124635-200800001-00010.Peer-Reviewed Original ResearchMeSH KeywordsBasic Helix-Loop-Helix Transcription FactorsBiocompatible MaterialsBone ResorptionDinoprostoneEndothelial CellsFibroblastsForeign-Body ReactionHumansInterleukin-1Interleukin-6Interleukin-8Joint ProsthesisMacrophage Colony-Stimulating FactorOsteoclastsOsteogenesisProsthesis FailureRANK LigandStem CellsT-LymphocytesTumor Necrosis Factor-alphaConceptsBone lossTNF-alphaIL-1Inflammatory bone lossPro-osteoclastogenic cytokinesGene functionHost inflammatory responsePeriprosthetic bone lossBone marrow-derived mesenchymal stem cellsMarrow-derived mesenchymal stem cellsGenetic variationBasic science dataMolecular mechanismsMesenchymal stem cellsMechanism of actionPeriprosthetic inflammationIL-6IL-8M-SCFInflammatory responseT cellsStem cellsAltered susceptibilityBiologic effectsOsteoprogenitor cells