2023
An optogenetic-phosphoproteomic study reveals dynamic Akt1 signaling profiles in endothelial cells
Zhou W, Li W, Wang S, Salovska B, Hu Z, Tao B, Di Y, Punyamurtula U, Turk B, Sessa W, Liu Y. An optogenetic-phosphoproteomic study reveals dynamic Akt1 signaling profiles in endothelial cells. Nature Communications 2023, 14: 3803. PMID: 37365174, PMCID: PMC10293293, DOI: 10.1038/s41467-023-39514-1.Peer-Reviewed Original ResearchMeSH KeywordsEndothelial CellsHumansOptogeneticsPhosphorylationProtein Serine-Threonine KinasesProto-Oncogene Proteins c-aktSignal TransductionConceptsPhosphorylation sitesSerine/threonine kinase AktMass spectrometry-based phosphoproteomicsThreonine kinase AktAkt-dependent phosphorylationAberrant Akt activationEndothelial cellsKinase substrateKinase AktCell signalingPhosphorylation profilePhenotypic outcomesDownstream signalingAkt activationAkt1 phosphorylationHuman diseasesSystem-level analysisAKT1Vascular endothelial cellsRich resourcePhosphorylationSignalingGrowth factorAktCells
2022
Inflammatory 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
2016
Genome-wide RNAi screen reveals ALK1 mediates LDL uptake and transcytosis in endothelial cells
Kraehling JR, Chidlow JH, Rajagopal C, Sugiyama MG, Fowler JW, Lee MY, Zhang X, Ramírez CM, Park EJ, Tao B, Chen K, Kuruvilla L, Larriveé B, Folta-Stogniew E, Ola R, Rotllan N, Zhou W, Nagle MW, Herz J, Williams KJ, Eichmann A, Lee WL, Fernández-Hernando C, Sessa WC. Genome-wide RNAi screen reveals ALK1 mediates LDL uptake and transcytosis in endothelial cells. Nature Communications 2016, 7: 13516. PMID: 27869117, PMCID: PMC5121336, DOI: 10.1038/ncomms13516.Peer-Reviewed Original ResearchConceptsActivin-like kinase 1Wide RNAi screenGWA data setsLDL uptakeEndothelial cellsIdentification of pathwaysLDL receptorRNAi screenEndocytic pathwayLysosomal degradationKinase 1LDL transcytosisPhysiological roleGenetic ablationUptake of LDLPathwayFunctional LDL receptorsCellsLow affinityTranscytosisUptakeALK1Unique opportunityAortic endotheliumAnimals