2023
microRNA-33 deficiency in macrophages enhances autophagy, improves mitochondrial homeostasis, and protects against lung fibrosis
Ahangari F, Price N, Malik S, Chioccioli M, Bärnthaler T, Adams T, Kim J, Pradeep S, Ding S, Cosme C, Rose K, McDonough J, Aurelien N, Ibarra G, Omote N, Schupp J, DeIuliis G, Nunez J, Sharma L, Ryu C, Dela Cruz C, Liu X, Prasse A, Rosas I, Bahal R, Fernandez-Hernando C, Kaminski N. microRNA-33 deficiency in macrophages enhances autophagy, improves mitochondrial homeostasis, and protects against lung fibrosis. JCI Insight 2023, 8: e158100. PMID: 36626225, PMCID: PMC9977502, DOI: 10.1172/jci.insight.158100.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAutophagyBleomycinHomeostasisHumansIdiopathic Pulmonary FibrosisMacrophagesMiceMicroRNAsMitochondriaConceptsIdiopathic pulmonary fibrosisPulmonary fibrosisMiR-33MiR-33 levelsSpecific genetic ablationBronchoalveolar lavage cellsNovel therapeutic approachesMitochondrial homeostasisFatty acid metabolismMacrophages protectsBleomycin injuryLavage cellsLung fibrosisHealthy controlsInflammatory responseTherapeutic approachesImmunometabolic responsesCholesterol effluxFibrosisFatal diseasePharmacological inhibitionSterol regulatory element-binding protein (SREBP) genesGenetic ablationMacrophagesEx vivo mouse
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
2019
Mechanosensation of cyclical force by PIEZO1 is essential for innate immunity
Solis AG, Bielecki P, Steach HR, Sharma L, Harman CCD, Yun S, de Zoete MR, Warnock JN, To SDF, York AG, Mack M, Schwartz MA, Dela Cruz CS, Palm NW, Jackson R, Flavell RA. Mechanosensation of cyclical force by PIEZO1 is essential for innate immunity. Nature 2019, 573: 69-74. PMID: 31435009, PMCID: PMC6939392, DOI: 10.1038/s41586-019-1485-8.Peer-Reviewed Original ResearchConceptsInnate immune cellsImmune cellsInflammatory responseInnate immune systemCyclical hydrostatic pressurePulmonary inflammationImmune responseImmune systemInnate immunityBacterial infectionsIon channel Piezo1InflammationPhysiological fluctuationsImmunityPhysiological roleLocal microenvironmentCellsPiezo1Direct recognitionResponseAutoinflammationLungInfectionMice
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
Chitin and Its Effects on Inflammatory and Immune Responses
Elieh Ali Komi D, Sharma L, Dela Cruz CS. Chitin and Its Effects on Inflammatory and Immune Responses. Clinical Reviews In Allergy & Immunology 2017, 54: 213-223. PMID: 28251581, PMCID: PMC5680136, DOI: 10.1007/s12016-017-8600-0.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsImmune cellsCytokine productionImmune systemAdaptive immune cellsAlternative macrophage activationHost immune systemPathogen-associated molecular patternsPattern recognition receptorsTLR-2Mammalian immune systemImmunological aspectsAllergic responsesIntraperitoneal administrationLeukocyte recruitmentImmune responseAdaptive immunityMacrophage activationImmune recognitionRecognition receptorsTrue chitinasesNKR-P1Molecular patternsPotential targetMammalian chitinasesMammalian receptors
2014
Assessment of Phagocytic Activity of Cultured Macrophages Using Fluorescence Microscopy and Flow Cytometry
Sharma L, Wu W, Dholakiya SL, Gorasiya S, Wu J, Sitapara R, Patel V, Wang M, Zur M, Reddy S, Siegelaub N, Bamba K, Barile FA, Mantell LL. Assessment of Phagocytic Activity of Cultured Macrophages Using Fluorescence Microscopy and Flow Cytometry. Methods In Molecular Biology 2014, 1172: 137-145. PMID: 24908301, DOI: 10.1007/978-1-4939-0928-5_12.ChaptersMeSH KeywordsAnimalsCell LineFlow CytometryFluorescein-5-isothiocyanateFluorescent DyesGene ExpressionGranulocyte-Macrophage Colony-Stimulating FactorHMGB1 ProteinInterleukin-1betaMacrophagesMiceMicroscopy, FluorescenceMicrospheresPhagocytosisTransforming Growth Factor beta1Tumor Necrosis Factor-alphaConceptsCultured macrophagesHigh mobility group box 1Individual cellsInnate immune systemFluorescence microscopyNumerous diseasesPhagocytic processFluorescence microscopePhagocytic functionPhagocytic activityCell debrisPhagocytosisFlow cytometryMobility group box 1PhagocytesGroup box 1GM-CSFMacrophagesImmune systemTGF-β1Different cytokinesFlow cytometerIL-1βEngulfmentHomeostasis