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