Featured Publications
Enhancement of Impaired MRSA‐Infected Fracture Healing by Combinatorial Antibiotics and Modulation of Sustained Inflammation
Yu KE, Kwon H, Dussik CM, Cahill SV, Back J, Alder KD, Lee FY. Enhancement of Impaired MRSA‐Infected Fracture Healing by Combinatorial Antibiotics and Modulation of Sustained Inflammation. Journal Of Bone And Mineral Research 2020, 37: 1352-1365. PMID: 35616626, DOI: 10.1002/jbmr.4570.Peer-Reviewed Original ResearchConceptsMethicillin-resistant Staphylococcus aureusExcessive inflammationAntibiotic treatmentFracture healingTrametinib therapyInfected fracturesPro-inflammatory cytokine levelsPostoperative antibiotic administrationSetting of infectionMale C57BL/6 miceSystemic antibiotic treatmentAdjunctive therapeutic agentMRSA-infected miceImpaired callus formationFemoral fracture modelTherapeutic cohortCytokine levelsMRSA infectionMusculoskeletal infectionsPostoperative intervalsSystemic vancomycinAntibiotic administrationCytokine analysisC57BL/6 miceIntramedullary nailing
2017
Tendon stem/progenitor cells regulate inflammation in tendon healing via JNK and STAT3 signaling
Tarafder S, Chen E, Jun Y, Kao K, Sim KH, Back J, Lee FY, Lee CH. Tendon stem/progenitor cells regulate inflammation in tendon healing via JNK and STAT3 signaling. The FASEB Journal 2017, 31: 3991-3998. PMID: 28533328, PMCID: PMC5572690, DOI: 10.1096/fj.201700071r.Peer-Reviewed Original ResearchConceptsConnective tissue growth factorTendon stem/progenitor cellsIL-10 expressionStem/progenitor cellsIL-10TIMP-3 expressionTendon healingIL-1βProgenitor cellsTendon cellsElevated IL-10 expressionAnti-inflammatory IL-10Number of iNOSRat patellar tendonAnti-inflammatory roleAcute tendon injuryIL-6 expressionRegulation of inflammationTissue growth factorMMP-3 expressionNumber of CD146Improved tendon healingDifferent anatomic locationsWestern blot analysisPromising regenerative potential
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
ERK Signaling Regulates Macrophage Colony‐Stimulating Factor Expression Induced by Titanium Particles in MC3T3.E1 Murine Calvarial Preosteoblastic Cells
SEO SW, LEE D, CHO SK, KIM AD, MINEMATSU H, AYDEMIR A, GELLER JA, MACAULAY W, YANG J, LEE F. ERK Signaling Regulates Macrophage Colony‐Stimulating Factor Expression Induced by Titanium Particles in MC3T3.E1 Murine Calvarial Preosteoblastic Cells. Annals Of The New York Academy Of Sciences 2007, 1117: 151-158. PMID: 18056041, DOI: 10.1196/annals.1402.027.Peer-Reviewed Original ResearchConceptsM-CSF expressionExtracellular signal-regulated kinase (ERK) pathwaySignal-regulated kinase pathwayPreosteoblastic cellsSignal transduction pathwaysSpecific ERK inhibitorReverse transcriptase-polymerase chain reactionEnzyme-linked immunosorbent assayPreosteoclast proliferationTransduction pathwaysKinase pathwayMolecular mechanismsMacrophage colony-stimulating factorCellular environmentERK inhibitorPeriprosthetic osteolysisM-CSF productionNuclear factor kappa beta ligandCell populationsBeta ligandSignificant clinical problemTranscriptase-polymerase chain reactionExpressionDose-dependent mannerColony-stimulating factor
2005
The molecular pathophysiology of subacromial bursitis in rotator cuff disease
Blaine TA, Kim YS, Voloshin I, Chen D, Murakami K, Chang SS, Winchester R, Lee FY, O’Keefe R, Bigliani LU. The molecular pathophysiology of subacromial bursitis in rotator cuff disease. Journal Of Shoulder And Elbow Surgery 2005, 14: s84-s89. PMID: 15726092, DOI: 10.1016/j.jse.2004.09.022.Peer-Reviewed Original ResearchConceptsRotator cuff diseaseCuff diseaseSubacromial bursitisSubacromial bursaInstitutional review board-approved protocolAnti-inflammatory agentsExpression of metalloproteasesPresence of cytokinesSubacromial bursectomyShoulder surgerySubacromial impingementBiochemical pathophysiologyPatientsCytokine genesBursitisDiseaseMolecular pathophysiologyCyclooxygenaseGene expressionPattern of expressionInflammationPathophysiologyCytokinesMicroarray analysisFurther investigation