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 ResearchConceptsIdiopathic 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
2022
Airway basal cells show a dedifferentiated KRT17highPhenotype and promote fibrosis in idiopathic pulmonary fibrosis
Jaeger B, Schupp JC, Plappert L, Terwolbeck O, Artysh N, Kayser G, Engelhard P, Adams TS, Zweigerdt R, Kempf H, Lienenklaus S, Garrels W, Nazarenko I, Jonigk D, Wygrecka M, Klatt D, Schambach A, Kaminski N, Prasse A. Airway basal cells show a dedifferentiated KRT17highPhenotype and promote fibrosis in idiopathic pulmonary fibrosis. Nature Communications 2022, 13: 5637. PMID: 36163190, PMCID: PMC9513076, DOI: 10.1038/s41467-022-33193-0.Peer-Reviewed Original ResearchConceptsIdiopathic pulmonary fibrosisAirway basal cellsPulmonary fibrosisNovel mouse xenograft modelEffect of saracatinibBasal cellsLimited treatment optionsMouse xenograft modelLung developmental processesConnectivity Map analysisExtracellular matrix depositionIPF lungsBronchial brushSevere fibrosisTreatment optionsBronchial brushingsNRG miceHealthy volunteersXenograft modelCyst-like structuresProfibrotic changesAlveolar compartmentFatal diseaseFibrosisPotent Src inhibitorBAL Transcriptomes Characterize Idiopathic Pulmonary Fibrosis Endotypes With Prognostic Impact
De Sadeleer LJ, Verleden SE, Schupp JC, McDonough JE, Goos T, Yserbyt J, Bargagli E, Rottoli P, Kaminski N, Prasse A, Wuyts WA. BAL Transcriptomes Characterize Idiopathic Pulmonary Fibrosis Endotypes With Prognostic Impact. CHEST Journal 2022, 161: 1576-1588. PMID: 35063449, PMCID: PMC9424328, DOI: 10.1016/j.chest.2021.12.668.Peer-Reviewed Original ResearchConceptsIdiopathic pulmonary fibrosisIPF samplesIndependent validation cohortAvailable gene expression datasetsClinical characteristicsPrognostic impactWorse survivalPathophysiologic mechanismsPulmonary fibrosisClinical evolutionClinical variablesValidation cohortEnrichment analysisBAL samplesSurvival-associated genesBlood samplesEndotypesStudy designControl participantsMitochondrial dysfunctionPatientsFibrosisSurvivalTranscription factorsNumeric trends