2024
Fatty acid binding protein 5 suppression attenuates obesity-induced hepatocellular carcinoma by promoting ferroptosis and intratumoral immune rewiring
Sun J, Esplugues E, Bort A, Cardelo M, Ruz-Maldonado I, Fernández-Tussy P, Wong C, Wang H, Ojima I, Kaczocha M, Perry R, Suárez Y, Fernández-Hernando C. Fatty acid binding protein 5 suppression attenuates obesity-induced hepatocellular carcinoma by promoting ferroptosis and intratumoral immune rewiring. Nature Metabolism 2024, 6: 741-763. PMID: 38664583, DOI: 10.1038/s42255-024-01019-6.Peer-Reviewed Original ResearchConceptsFatty acid binding protein 5Tumor-associated macrophagesHepatocellular carcinomaImmunosuppressive phenotype of tumor-associated macrophagesIncreased CD8+ T cell activationCD8+ T cell activationPhenotype of tumor-associated macrophagesPro-inflammatory tumor microenvironmentCo-stimulatory molecules CD80T cell activationHepatocellular carcinoma burdenTransformation of hepatocytesBinding protein 5Potential therapeutic approachImmunosuppressive phenotypeTumor microenvironmentFerroptosis-induced cell deathMale miceEnhanced ferroptosisTherapeutic approachesPharmacological inhibitionGenetic ablationIncreased expressionSingle-cell atlasAnalysis of transformed cells
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