Featured Publications
Concurrent targeting of glycolysis in bacteria and host cell inflammation in septic arthritis
Kwon H, Yu K, Cahill S, Alder K, Dussik C, Kim S, Sharma L, Back J, Oh I, Lee F. Concurrent targeting of glycolysis in bacteria and host cell inflammation in septic arthritis. EMBO Molecular Medicine 2022, 14: emmm202115284. PMID: 36354099, PMCID: PMC9728052, DOI: 10.15252/emmm.202115284.Peer-Reviewed Original ResearchConceptsDrug dimethyl fumarateSeptic arthritisIntracellular MRSABacterial joint infectionSoft tissue infectionsAnti-inflammatory effectsInfection-associated inflammationNovel therapeutic paradigmContext of infectionConventional antibiotic treatmentHost cellsAdjuvant administrationSurgical treatmentTissue infectionsClinical symptomsInflammatory machineryJoint infectionBacterial burdenAntibiotic treatmentCell inflammationHost inflammationArthritisInflammationIntraarticular inflammationTherapeutic paradigmEnhancement 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 ResearchMeSH KeywordsAnimalsAnti-Bacterial AgentsCytokinesFemoral FracturesFracture HealingInflammationMaleMethicillin-Resistant Staphylococcus aureusMiceMice, Inbred C57BLRifampinStaphylococcal InfectionsVancomycinX-Ray MicrotomographyConceptsMethicillin-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 nailingConstruction and evaluation of a clinically relevant model of septic arthritis
Kwon H, Yu K, Lee F. Construction and evaluation of a clinically relevant model of septic arthritis. Lab Animal 2022, 52: 11-26. PMID: 36564668, DOI: 10.1038/s41684-022-01089-7.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnti-Bacterial AgentsArthritis, InfectiousHumansMethicillin-Resistant Staphylococcus aureusMiceMice, Inbred C57BLStaphylococcal InfectionsConceptsSeptic arthritisAnimal modelsMethicillin-resistant Staphylococcus aureus culturesIntra-articular inflammationReproducible animal modelRelevant mouse modelExperimental animal modelsMRSA infectionCartilage destructionC57BL/6J miceInflammatory pathologyJoint diseaseTherapeutic medicationsMouse modelArthritisSynovial fluidClinical relevancePotential treatmentHuman patientsKnee jointDirect inoculationAureus culturesMRSAMiceStaphylococcus aureus culturesDual therapeutic targeting of intra-articular inflammation and intracellular bacteria enhances chondroprotection in septic arthritis
Kwon HK, Lee I, Yu KE, Cahill SV, Alder KD, Lee S, Dussik CM, Back J, Choi J, Song L, Kyriakides TR, Lee FY. Dual therapeutic targeting of intra-articular inflammation and intracellular bacteria enhances chondroprotection in septic arthritis. Science Advances 2021, 7: eabf2665. PMID: 34172438, PMCID: PMC8232912, DOI: 10.1126/sciadv.abf2665.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnti-Bacterial AgentsArthritis, InfectiousInflammationMethicillin-Resistant Staphylococcus aureusMiceStaphylococcal InfectionsConceptsIntra-articular inflammationSeptic arthritisBacterial infectionsDual therapeutic targetingKnee septic arthritisPromising new therapeutic strategyArticular cartilageChallenging clinical problemNovel treatment modalitiesIntracellular bacteriaNew therapeutic strategiesAdjuvant targetingTreatment modalitiesBacterial eradicationSuccessful treatmentHost inflammationCausative bacteriaMurine modelTherapeutic strategiesArthritisTherapeutic goalsClinical problemTherapeutic targetingInflammationVital organsLocally delivered adjuvant biofilm‐penetrating antibiotics rescue impaired endochondral fracture healing caused by MRSA infection
Cahill SV, Kwon H, Back J, Lee I, Lee S, Alder KD, Hao Z, Yu KE, Dussik CM, Kyriakides T, Lee F. Locally delivered adjuvant biofilm‐penetrating antibiotics rescue impaired endochondral fracture healing caused by MRSA infection. Journal Of Orthopaedic Research® 2021, 39: 402-414. PMID: 33336805, DOI: 10.1002/jor.24965.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibiotics, AntitubercularBacterial LoadDrug Evaluation, PreclinicalFracture HealingFractures, OpenHydrogelsMaleMethicillin-Resistant Staphylococcus aureusMice, Inbred C57BLOsteomyelitisRifampinStaphylococcal InfectionsConceptsHigh-dose rifampinFracture healingMRSA infectionMethicillin-resistant Staphylococcus aureus osteomyelitisColony-forming unitsTissue bacterial loadStaphylococcus aureus osteomyelitisReactive bone formationRadiographic union scaleEndochondral fracture healingBacterial CFU countsPoor callus formationSoft callus formationTibia scoresRifampin therapyDevastating complicationMRSA colonizationClinical efficacyInfected fracturesTibial radiographsTreatment responseMurine modelIntramedullary pinOpen fracturesO stain
2023
Parathyroid hormone therapy improves MRSA-infected fracture healing in a murine diabetic model
Kwon H, Cahill S, Yu K, Alder K, Dussik C, Jeong J, Back J, Lee F. Parathyroid hormone therapy improves MRSA-infected fracture healing in a murine diabetic model. Frontiers In Cellular And Infection Microbiology 2023, 13: 1230568. PMID: 37829606, PMCID: PMC10565816, DOI: 10.3389/fcimb.2023.1230568.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsDiabetes Mellitus, ExperimentalDiabetes Mellitus, Type 2Fracture HealingMethicillin-Resistant Staphylococcus aureusMiceParathyroid HormoneTeriparatideX-Ray MicrotomographyConceptsFracture healingTeriparatide treatmentType 2 diabetic mouse modelType 2 diabetes mellitus miceBone volume/total volumeMurine diabetic modelTotal mineral densityIntermittent parathyroid hormoneSystemic antibiotic therapyImpairs fracture healingPoor fracture healingAdjuvant therapeutic agentDiabetes mellitus miceDiabetic mouse modelBlood glucose levelsCombination of antibioticsRadiographic union scaleTibia fracture modelIPTH treatmentSeptic nonunionNondiabetic counterpartsT2DM miceHormone therapyAntibiotic therapyMRSA infectionTranscriptomic identification of genes expressed in invasive S. aureus diabetic foot ulcer infection
Agidigbi T, Kwon H, Knight J, Zhao D, Lee F, Oh I. Transcriptomic identification of genes expressed in invasive S. aureus diabetic foot ulcer infection. Frontiers In Cellular And Infection Microbiology 2023, 13: 1198115. PMID: 37434783, PMCID: PMC10332306, DOI: 10.3389/fcimb.2023.1198115.Peer-Reviewed Original ResearchMeSH KeywordsCommunicable DiseasesDiabetes MellitusDiabetic FootHistonesHumansLeukocytes, MononuclearMethicillin-Resistant Staphylococcus aureusStaphylococcus aureusTranscriptomeConceptsDiabetic foot ulcersPeripheral blood mononuclear cellsHost immune responseActive infectionImmune responseDiabetic foot ulcer infectionsInfected diabetic foot ulcersFoot ulcer infectionsPatients 8 weeksIntravenous antibiotic therapyBlood mononuclear cellsWound healing statusDFU infectionsPBMC expressionSalvage therapyUlcer infectionDifferent time pointsAntibiotic therapyMajor complicationsSurgical treatmentFoot ulcersMononuclear cellsPotential intervention optionsSpecies-specific infectionTreatment response