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 plaquesInflammatory stress signaling via NF-kB alters accessible cholesterol to upregulate SREBP2 transcriptional activity in endothelial cells
Fowler JWM, Zhang R, Tao B, Boutagy NE, Sessa WC. Inflammatory stress signaling via NF-kB alters accessible cholesterol to upregulate SREBP2 transcriptional activity in endothelial cells. ELife 2022, 11: e79529. PMID: 35959888, PMCID: PMC9395194, DOI: 10.7554/elife.79529.Peer-Reviewed Original ResearchConceptsAcute inflammatory responseEndothelial cellsCholesterol homeostasisInflammatory stressInflammatory responsePro-inflammatory cytokinesSite of injuryCholesterol biosynthetic gene expressionNF-κB DNA bindingHuman endothelial cellsMultiple sclerosisInflammatory activationPrimary human endothelial cellsVascular endotheliumNF-κB-inducible genesTissue damageInducible targetAberrant activationRole of cholesterolSREBP2 activationMicrobial infectionsCholesterolKey transcription regulatorHomeostasisLeukocytes
2021
Characterization of a Novel Caveolin Modulator That Reduces Vascular Permeability and Ocular Inflammation
Bernatchez PN, Tao B, Bradshaw RA, Eveleth D, Sessa WC. Characterization of a Novel Caveolin Modulator That Reduces Vascular Permeability and Ocular Inflammation. Translational Vision Science & Technology 2021, 10: 21-21. PMID: 34111267, PMCID: PMC8132009, DOI: 10.1167/tvst.10.6.21.Peer-Reviewed Original ResearchMeSH KeywordsCapillary PermeabilityCaveolin 1Endothelial CellsHumansInflammationVascular Endothelial Growth Factor AConceptsOcular inflammationCell-permeable peptideRetinal damageVascular permeabilityModel of uveitisVascular endothelial growth factorNitric oxide releaseEndothelial growth factorNovel cell-permeable peptideEndothelial cell signalingVascular leakageClinical developmentInflammationOxide releaseEndothelial cellsNO releaseGrowth factorUveitisVEGFDistinct assaysPhage display technologyPresent studyVivoCell signalingPeptides
1998
Hypotension and inflammatory cytokine gene expression triggered by factor Xa–nitric oxide signaling
Papapetropoulos A, Piccardoni P, Cirino G, Bucci M, Sorrentino R, Cicala C, Johnson K, Zachariou V, Sessa W, Altieri D. Hypotension and inflammatory cytokine gene expression triggered by factor Xa–nitric oxide signaling. Proceedings Of The National Academy Of Sciences Of The United States Of America 1998, 95: 4738-4742. PMID: 9539808, PMCID: PMC22560, DOI: 10.1073/pnas.95.8.4738.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCells, CulturedCytokinesEndothelium, VascularFactor XaFibrinogenGene Expression RegulationHistamineHumansHypotensionInflammationInterleukin-6MaleNG-Nitroarginine Methyl EsterNitric OxidePolymerase Chain ReactionRatsRats, WistarSplanchnic CirculationStereoisomerismTumor Necrosis Factor-alphaUmbilical VeinsConceptsEffector cell protease receptor-1Cytokine gene expressionFactor XaReceptor 1NO synthase inhibitor LNitric oxideInflammatory cytokine gene expressionActivation of coagulationNitroarginine methyl esterEndothelial cell releaseTissue factor pathway inhibitorAcute phase responseEndothelial cell ligandsThrombin inhibitor hirudinInterleukin-6 mRNAFactor pathway inhibitorDose-dependent mannerVascular endothelial cellsL-NAMED-NAMEGrowth factor peptidesInterleukin-6Dose-dependent reactionCell ligandsPathway inhibitor