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
2021
Eruptive xanthoma model reveals endothelial cells internalize and metabolize chylomicrons, leading to extravascular triglyceride accumulation
Cabodevilla AG, Tang S, Lee S, Mullick AE, Aleman JO, Hussain MM, Sessa WC, Abumrad NA, Goldberg IJ. Eruptive xanthoma model reveals endothelial cells internalize and metabolize chylomicrons, leading to extravascular triglyceride accumulation. Journal Of Clinical Investigation 2021, 131: e145800. PMID: 34128469, PMCID: PMC8203467, DOI: 10.1172/jci145800.Peer-Reviewed Original ResearchConceptsLPL-deficient miceScavenger receptor BISkin macrophagesEruptive xanthomasStudy of patientsLipid droplet biogenesisAccumulation of triglyceridesEndothelial cell barrierLipoprotein lipase hydrolysisChylomicron uptakeDroplet biogenesisReceptor BITG accumulationTissue uptakeTriglyceride accumulationDietary lipidsChylomicronsEndothelial cellsLipid accumulationAortic ECsLipid dropletsMacrophagesTriglyceridesHyperchylomicronemic patientsCultured ECs
2015
Endothelial Glucocorticoid Receptor Suppresses Atherogenesis—Brief Report
Goodwin JE, Zhang X, Rotllan N, Feng Y, Zhou H, Fernández-Hernando C, Yu J, Sessa WC. Endothelial Glucocorticoid Receptor Suppresses Atherogenesis—Brief Report. Arteriosclerosis Thrombosis And Vascular Biology 2015, 35: 779-782. PMID: 25810297, PMCID: PMC4375730, DOI: 10.1161/atvbaha.114.304525.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAortaAortic DiseasesApolipoproteins EAtherosclerosisBody WeightBrachiocephalic TrunkCholesterolDiet, High-FatDisease Models, AnimalEndothelial CellsGenotypeMacrophagesMice, Inbred C57BLMice, KnockoutPhenotypeReceptors, GlucocorticoidSeverity of Illness IndexTime FactorsTriglyceridesConceptsEndothelial glucocorticoid receptorGlucocorticoid receptorHigh-fat diet feedingApoE knockout backgroundSevere atherosclerotic lesionsGroups of micePathogenesis of atherosclerosisAortic sinusTotal cholesterolAtherosclerosis progressionBrachiocephalic arteryControl miceInflammatory milieuTonic inhibitionDiet feedingMacrophage recruitmentAtherosclerotic lesionsBody weightMiceKnockout backgroundReceptorsLesionsAtherosclerosisInflammationArtery