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
Macrophage-Derived 25-Hydroxycholesterol Promotes Vascular Inflammation, Atherogenesis, and Lesion Remodeling
Canfrán-Duque A, Rotllan N, Zhang X, Andrés-Blasco I, Thompson B, Sun J, Price N, Fernández-Fuertes M, Fowler J, Gómez-Coronado D, Sessa W, Giannarelli C, Schneider R, Tellides G, McDonald J, Fernández-Hernando C, Suárez Y. Macrophage-Derived 25-Hydroxycholesterol Promotes Vascular Inflammation, Atherogenesis, and Lesion Remodeling. Circulation 2022, 147: 388-408. PMID: 36416142, PMCID: PMC9892282, DOI: 10.1161/circulationaha.122.059062.Peer-Reviewed Original ResearchConceptsLipid-loaded macrophagesLineage-tracing mouse modelsSREBP transcriptional activityCholesterol biosynthetic intermediatesWestern diet feedingAccessible cholesterolDifferent macrophage populationsTranscriptomic analysisKey immune regulatorsPlasma membraneAtherosclerosis progressionImmune activationTranscriptional activityGene expressionDiet feedingInflammatory responseMouse bone marrowLiver X receptorBiosynthetic intermediatesSterol metabolismApoptosis susceptibilityToll-like receptor 4Proinflammatory gene expressionHuman coronary atherosclerotic lesionsMouse atherosclerotic plaques
2020
Uncovering the Specific Functions of miR-33 in Regulation of Feeding and Cardiometabolic Diseases Linked to Aging
Price N, Zhang X, Fernandez-Tussy P, de Cabo R, Fernandez-Hernando C. Uncovering the Specific Functions of miR-33 in Regulation of Feeding and Cardiometabolic Diseases Linked to Aging. Innovation In Aging 2020, 4: 128-128. PMCID: PMC7741365, DOI: 10.1093/geroni/igaa057.421.Peer-Reviewed Original ResearchMiR-33Cardiometabolic diseasesMetabolic dysfunctionHigh fat diet fed miceFat Diet-Fed MiceMetabolic tissuesDiet fed miceDevelopment of obesityMacrophage cholesterol effluxDevelopment of atherosclerosisRegulation of feedingCholesterol transporter ABCA1Unique mouse modelKey metabolic tissuesDifferent metabolic tissuesFeeding behaviorFed miceHeart diseaseInflammatory responseMouse modelRelated health issuesCholesterol effluxKnockout miceDeficient animalsAtherosclerosis
2019
Endothelial TGF-β signalling drives vascular inflammation and atherosclerosis
Chen PY, Qin L, Li G, Wang Z, Dahlman JE, Malagon-Lopez J, Gujja S, Cilfone N, Kauffman K, Sun L, Sun H, Zhang X, Aryal B, Canfran-Duque A, Liu R, Kusters P, Sehgal A, Jiao Y, Anderson D, Gulcher J, Fernandez-Hernando C, Lutgens E, Schwartz M, Pober J, Chittenden T, Tellides G, Simons M. Endothelial TGF-β signalling drives vascular inflammation and atherosclerosis. Nature Metabolism 2019, 1: 912-926. PMID: 31572976, PMCID: PMC6767930, DOI: 10.1038/s42255-019-0102-3.Peer-Reviewed Original ResearchConceptsTGF-β signalingVascular inflammationDisease progressionPlaque growthProgressive vascular diseaseVessel wall inflammationChronic inflammatory responseSpecific therapeutic interventionsAtherosclerotic plaque growthHyperlipidemic micePlaque inflammationWall inflammationProinflammatory effectsVascular diseaseInflammatory responseVascular permeabilityAtherosclerotic plaquesAbnormal shear stressTherapeutic interventionsInflammationEndothelial TGFΒ signalingVessel wallAtherosclerosisLipid retention
2016
Age‐associated vascular inflammation promotes monocytosis during atherogenesis
Du W, Wong C, Song Y, Shen H, Mori D, Rotllan N, Price N, Dobrian AD, Meng H, Kleinstein SH, Fernandez‐Hernando C, Goldstein DR. Age‐associated vascular inflammation promotes monocytosis during atherogenesis. Aging Cell 2016, 15: 766-777. PMID: 27135421, PMCID: PMC4933655, DOI: 10.1111/acel.12488.Peer-Reviewed Original ResearchMeSH KeywordsAgingAnimalsAortaAtherosclerosisBlood VesselsCell CountChemotaxisCulture Media, ConditionedDiet, High-FatDown-RegulationHematopoiesisHemodynamicsInflammationInflammation MediatorsInsulin ResistanceInterleukin-6LeukocytosisMacrophagesMaleMiceMice, Inbred C57BLMonocytesOligonucleotide Array Sequence AnalysisReceptors, LDLStromal CellsUp-RegulationConceptsHigh-fat dietVascular inflammationMacrophage accumulationAtherosclerotic aortaBone marrow transplant experimentsStromal factorsElevated blood pressureVascular smooth muscle cellsLow-fat dietSmooth muscle cellsBlood pressurePeripheral monocytosisProinflammatory stateInflammatory stateLDL levelsIL-6Insulin resistancePeripheral bloodEnhanced atherogenesisInflammatory responseMetabolic dysfunctionYoung aortasMurine modelProduction of osteopontinCCL-2
2014
Hematopoietic Akt2 deficiency attenuates the progression of atherosclerosis
Rodlan N, Chamorro‐Jorganes A, Araldi E, Wanschel AC, Aryal B, Aranda JF, Goedeke L, Salerno AG, Ramírez CM, Sessa WC, Suárez Y, Fernández‐Hernando C. Hematopoietic Akt2 deficiency attenuates the progression of atherosclerosis. The FASEB Journal 2014, 29: 597-610. PMID: 25392271, PMCID: PMC4314230, DOI: 10.1096/fj.14-262097.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAtherosclerosisBlood GlucoseBone Marrow CellsBone Marrow TransplantationCell MovementCholesterolCytokinesDisease ProgressionInflammationInsulinLeukocytesLipidsLipoproteins, LDLMacrophagesMaleMiceMice, Inbred C57BLMice, KnockoutMicroscopy, ConfocalMicroscopy, FluorescencePlaque, AtheroscleroticProto-Oncogene Proteins c-aktReceptors, LDLConceptsProgression of atherosclerosisSerine-threonine protein kinaseBone marrow cellsAkt2-deficient miceInsulin-responsive tissuesWild-type bone marrow cellsProtein kinaseMarrow cellsAkt2 deficiencyAkt2Higher plasma lipidsWild-type miceMice resultsProatherogenic cytokinesObese subjectsPlasma lipidsProinflammatory cytokinesInsulin resistanceInflammatory responseGlucose levelsAtherosclerotic plaquesCholesterol metabolismAtherosclerosisMacrophage migrationMarked reduction