2021
MicroRNA miR-24-3p reduces DNA damage responses, apoptosis, and susceptibility to chronic obstructive pulmonary disease
Nouws J, Wan F, Finnemore E, Roque W, Kim SJ, Bazan IS, Li CX, Sköld C, Dai Q, Yan X, Chioccioli M, Neumeister V, Britto CJ, Sweasy J, Bindra RS, Wheelock ÅM, Gomez JL, Kaminski N, Lee PJ, Sauler M. MicroRNA miR-24-3p reduces DNA damage responses, apoptosis, and susceptibility to chronic obstructive pulmonary disease. JCI Insight 2021, 6: e134218. PMID: 33290275, PMCID: PMC7934877, DOI: 10.1172/jci.insight.134218.Peer-Reviewed Original ResearchConceptsCellular stress responseStress responseHomology-directed DNA repairDNA damage responseProtein BRCA1Damage responseCellular stressDNA repairProtein BimCOPD lung tissueLung epithelial cellsCellular responsesExpression arraysEpithelial cell apoptosisDNA damageChronic obstructive pulmonary diseaseBRCA1 expressionCell apoptosisApoptosisEpithelial cellsCritical mechanismMicroRNAsRegulatorObstructive pulmonary diseaseIncreases Susceptibility
2020
Pseudomonas aeruginosa Utilizes Host-Derived Itaconate to Redirect Its Metabolism to Promote Biofilm Formation
Riquelme SA, Liimatta K, Wong Fok Lung T, Fields B, Ahn D, Chen D, Lozano C, Sáenz Y, Uhlemann AC, Kahl BC, Britto CJ, DiMango E, Prince A. Pseudomonas aeruginosa Utilizes Host-Derived Itaconate to Redirect Its Metabolism to Promote Biofilm Formation. Cell Metabolism 2020, 31: 1091-1106.e6. PMID: 32428444, PMCID: PMC7272298, DOI: 10.1016/j.cmet.2020.04.017.Peer-Reviewed Original ResearchConceptsHost immune responseImmune responseDownregulation of lipopolysaccharidesIntractable pneumoniaPseudomonas aeruginosaInfected lungsChronic infectionImmune clearanceHuman airwaysImmunostimulatory propertiesMyeloid cellsHigh mortalityAirwayInfectionOpportunistic bacteriaLipopolysaccharideAeruginosaBiofilm formationResponsePneumoniaLungTherapyMortalityClearanceUpregulation
2018
Regulation and Role of Chitotriosidase during Lung Infection with Klebsiella pneumoniae
Sharma L, Amick AK, Vasudevan S, Lee SW, Marion CR, Liu W, Brady V, Losier A, Bermejo SD, Britto CJ, Lee CG, Elias JA, Dela Cruz CS. Regulation and Role of Chitotriosidase during Lung Infection with Klebsiella pneumoniae. The Journal Of Immunology 2018, 201: 615-626. PMID: 29891554, PMCID: PMC6291403, DOI: 10.4049/jimmunol.1701782.Peer-Reviewed Original ResearchConceptsLung infectionMouse modelRole of chitotriosidaseBronchoalveolar lavage fluidNumber of neutrophilsSimilar inflammatory responseRole of CHIT1Antibiotic therapyImproved survivalInflammatory changesLavage fluidInflammatory responseNeutrophil proteasesBacterial disseminationTrue chitinasesInfectionBeneficial effectsDetrimental roleAkt pathwayKlebsiella pneumoniaeAkt inhibitorCHIT1Chitinase-like proteinsMiceAkt activation
2017
Ezrin links CFTR to TLR4 signaling to orchestrate anti-bacterial immune response in macrophages
Di Pietro C, Zhang PX, O’Rourke T, Murray TS, Wang L, Britto CJ, Koff JL, Krause DS, Egan ME, Bruscia EM. Ezrin links CFTR to TLR4 signaling to orchestrate anti-bacterial immune response in macrophages. Scientific Reports 2017, 7: 10882. PMID: 28883468, PMCID: PMC5589856, DOI: 10.1038/s41598-017-11012-7.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell LineCystic FibrosisCystic Fibrosis Transmembrane Conductance RegulatorCytoskeletal ProteinsDisease Models, AnimalMacrophage ActivationMacrophagesMicePhosphatidylinositol 3-KinasesProto-Oncogene Proteins c-aktPseudomonas aeruginosaPseudomonas InfectionsSignal TransductionToll-Like Receptor 4ConceptsCystic fibrosis transmembrane conductance regulatorPI3K/AktFibrosis transmembrane conductance regulatorTransmembrane conductance regulatorPI3K/Akt signalingConductance regulatorAnti-bacterial immune responseAkt signalingAltered localizationEzrinCystic fibrosis diseaseMφ activationAktProtein levelsFibrosis diseaseActivationImmune regulationPhagocytosisInductionDirect linkSignalingRegulatorImmune responseMΦMacrophages
2013
Short Palate, Lung, and Nasal Epithelial Clone–1 Is a Tightly Regulated Airway Sensor in Innate and Adaptive Immunity
Britto CJ, Liu Q, Curran DR, Patham B, Dela Cruz CS, Cohn L. Short Palate, Lung, and Nasal Epithelial Clone–1 Is a Tightly Regulated Airway Sensor in Innate and Adaptive Immunity. American Journal Of Respiratory Cell And Molecular Biology 2013, 48: 717-724. PMID: 23470624, PMCID: PMC3727874, DOI: 10.1165/rcmb.2012-0072oc.Peer-Reviewed Original ResearchMeSH KeywordsAdaptive ImmunityAnimalsCell Line, TumorGene Expression RegulationGlycoproteinsHumansImmunity, InnateImmunohistochemistryInflammationInfluenza A virusInterferon-gammaLipopolysaccharidesLungMiceMice, Inbred C57BLPhosphoproteinsPneumonia, BacterialPseudomonas aeruginosaRespiratory MucosaRespiratory Tract InfectionsStreptococcus pneumoniaeConceptsNasal epithelial clone 1Lower respiratory tractRespiratory tractAirway inflammationShort palateTh2-induced airway inflammationHost defenseAllergic airway inflammationCommon respiratory pathogensAirway epithelial cellsModel of pneumoniaAirway surface liquidPathogen-associated molecular patternsGreatest environmental exposureClone 1Mucociliary clearanceRespiratory pathogensAirway sensorsRespiratory epitheliumAdaptive immunitySPLUNC1IFN-γ actBasal conditionsMRNA expressionMolecular patterns