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
Nuclear presence of nuclear factor of activated T cells (NFAT) c3 and c4 is required for Toll-like receptor-activated innate inflammatory response of monocytes/macrophages
Minematsu H, Shin MJ, Aydemir A, Kim KO, Nizami SA, Chung GJ, Lee FY. Nuclear presence of nuclear factor of activated T cells (NFAT) c3 and c4 is required for Toll-like receptor-activated innate inflammatory response of monocytes/macrophages. Cellular Signalling 2011, 23: 1785-1793. PMID: 21726630, PMCID: PMC3169434, DOI: 10.1016/j.cellsig.2011.06.013.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBone MarrowCell NucleusChromatin ImmunoprecipitationCytokinesHumansImmunity, InnateImmunohistochemistryLipopeptidesLipopolysaccharidesMacrophagesMiceMice, KnockoutMonocytesNFATC Transcription FactorsNF-kappa BOligopeptidesPrimary Cell CultureRNA Polymerase IIRNA, MessengerSignal TransductionToll-Like ReceptorsTumor Necrosis Factor-alphaConceptsBone marrow-derived macrophagesInnate immune responseImmune responseLPS stimulationNuclear factorNFAT-luciferase reporterProinflammatory cytokine expressionInnate inflammatory responseTLR ligand stimulationToll-like receptorsActivated T cells c3Monocytes/macrophagesActivated T cellsInnate immune regulationRole of NFATsTNF mRNA expressionMarrow-derived macrophagesImmune regulatory proteinsTLR4 ligandCytokine expressionLess TNFTLR1/2 ligandInflammatory responseImmune regulationT cells
2007
Orthopedic Implant Particle‐Induced Tumor Necrosis Factor‐α Production in Macrophage–Monocyte Lineage Cells Is Mediated by Nuclear Factor of Activated T Cells
MINEMATSU H, SHIN MJ, AYDEMIR A, SEO SW, KIM DW, BLAINE TA, MACIÁN F, YANG J, LEE F. Orthopedic Implant Particle‐Induced Tumor Necrosis Factor‐α Production in Macrophage–Monocyte Lineage Cells Is Mediated by Nuclear Factor of Activated T Cells. Annals Of The New York Academy Of Sciences 2007, 1117: 143-150. PMID: 18056040, DOI: 10.1196/annals.1402.026.Peer-Reviewed Original ResearchConceptsActivated T cellsT cellsLineage cellsTumor Necrosis Factor-α ProductionNuclear factorMonocyte-macrophage lineage cellsTNF-alpha protein secretionTNF-alpha expressionTNF-alpha productionTNF-alpha gene expressionTumor necrosis factorMurine macrophage-like RAW264.7Macrophage-like RAW264.7TNF-alpha inductionMonocyte-macrophage cellsTNF-alphaNecrosis factorSpecific molecular mechanismsImplant particlesJoint prosthesesMolecular mechanisms
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