2020
Mechanisms of Epithelial Immunity Evasion by Respiratory Bacterial Pathogens
Sharma L, Feng J, Britto CJ, Dela Cruz CS. Mechanisms of Epithelial Immunity Evasion by Respiratory Bacterial Pathogens. Frontiers In Immunology 2020, 11: 91. PMID: 32117248, PMCID: PMC7027138, DOI: 10.3389/fimmu.2020.00091.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsBacterial lung infectionsImmune cellsBacterial clearanceRespiratory bacterial pathogensEpithelial cellsLung infectionSecretion of cytokinesEpithelial host defenseMuco-ciliary clearanceHuge economic burdenRespiratory epithelial cellsLung epithelial surfaceMajor healthcare challengeEpithelial immune mechanismsBacterial pathogensAntimicrobial peptide productionImmune mechanismsImmune protectionMucus productionEconomic burdenPathogen clearanceEpithelial immunityHost defenseClinical researchEpithelial resistance
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