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 ResearchMeSH KeywordsAnimalsBiofilmsHumansMiceMice, Inbred C57BLMice, KnockoutPseudomonas aeruginosaSuccinatesConceptsHost immune responseImmune responseDownregulation of lipopolysaccharidesIntractable pneumoniaPseudomonas aeruginosaInfected lungsChronic infectionImmune clearanceHuman airwaysImmunostimulatory propertiesMyeloid cellsHigh mortalityAirwayInfectionOpportunistic bacteriaLipopolysaccharideAeruginosaBiofilm formationResponsePneumoniaLungTherapyMortalityClearanceUpregulation
2019
CFTR-PTEN–dependent mitochondrial metabolic dysfunction promotes Pseudomonas aeruginosa airway infection
Riquelme SA, Lozano C, Moustafa AM, Liimatta K, Tomlinson KL, Britto C, Khanal S, Gill SK, Narechania A, Azcona-Gutiérrez JM, DiMango E, Saénz Y, Planet P, Prince A. CFTR-PTEN–dependent mitochondrial metabolic dysfunction promotes Pseudomonas aeruginosa airway infection. Science Translational Medicine 2019, 11 PMID: 31270271, PMCID: PMC6784538, DOI: 10.1126/scitranslmed.aav4634.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCarboxy-LyasesColony Count, MicrobialCystic FibrosisCystic Fibrosis Transmembrane Conductance RegulatorHCT116 CellsHumansHypoxia-Inducible Factor 1, alpha SubunitImmunityInterleukin-1betaLungMice, Inbred C57BLMiddle AgedMitochondriaOxidantsOxidative StressPseudomonas aeruginosaPseudomonas InfectionsPTEN PhosphohydrolaseReactive Oxygen SpeciesSuccinatesConceptsCystic fibrosis transmembrane conductance regulatorImmune-responsive gene 1Fibrosis transmembrane conductance regulatorEffect of PTENTransmembrane conductance regulatorPlasma membraneChromosome 10Reactive oxygen speciesConductance regulatorTumor suppressorTensin homologGene 1Mitochondrial functionMitochondrial activityAnti-inflammatory host responsesCell proliferationOxygen speciesPTENMyeloid cellsCFTR dysfunctionMetabolic defectsHost responseActivity contributesHomologComplexes
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