Dual 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 ResearchConceptsHigh-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