2022
Coronavirus Lung Infection Impairs Host Immunity against Secondary Bacterial Infection by Promoting Lysosomal Dysfunction.
Peng X, Kim J, Gupta G, Agaronyan K, Mankowski MC, Korde A, Takyar SS, Shin HJ, Habet V, Voth S, Audia JP, Chang D, Liu X, Wang L, Cai Y, Tian X, Ishibe S, Kang MJ, Compton S, Wilen CB, Dela Cruz CS, Sharma L. Coronavirus Lung Infection Impairs Host Immunity against Secondary Bacterial Infection by Promoting Lysosomal Dysfunction. The Journal Of Immunology 2022, 209: 1314-1322. PMID: 36165196, PMCID: PMC9523490, DOI: 10.4049/jimmunol.2200198.Peer-Reviewed Original ResearchConceptsSARS-CoV-2Bacterial infectionsMouse modelCoronavirus infectionLysosomal dysfunctionMajor health care challengeLung immune cellsLung tissue damageSecondary bacterial infectionImpair host immunityIL-1β releaseHealth care challengesCell deathPyroptotic cell deathBacterial killing abilityIL-1βBacterial clearanceImmune cellsSecondary infectionHost immunityAlveolar macrophagesTissue damageΒ-coronavirusStructural cellsCare challenges
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