2024
IL-1β Induces Human Endothelial Surface Expression of IL-15 by Relieving let-7c-3p Suppression of Protein Translation.
Mullan C, Summer L, Lopez-Giraldez F, Tobiasova Z, Manes T, Yasothan S, Song G, Jane-Wit D, Saltzman W, Pober J. IL-1β Induces Human Endothelial Surface Expression of IL-15 by Relieving let-7c-3p Suppression of Protein Translation. The Journal Of Immunology 2024, 213: 1338-1348. PMID: 39302113, PMCID: PMC11493510, DOI: 10.4049/jimmunol.2400331.Peer-Reviewed Original ResearchIL-15Surface expressionIL-1BIL-15 transcriptsEndothelial cellsCD8 T cell activationExpression of IL-15EC surface expressionIL-15 transpresentationComplement activationGraft endothelial cellsActivity of CTLT cell activationIL-15 mRNAEndothelial surface expressionAbsence of complement activationCultured human endothelial cellsIL-1-mediated activationIL-15RAProtein translationAllograft rejectionRNA polymerase II-mediated transcriptionHuman endothelial cellsSuppression of protein translationmTORC1 Signaling in Brain Endothelial Progenitors Contributes to CCM Pathogenesis
Min W, Qin L, Zhang H, López-Giráldez F, Jiang N, Kim Y, Mohan V, Su M, Murray K, Grutzendler J, Zhou J. mTORC1 Signaling in Brain Endothelial Progenitors Contributes to CCM Pathogenesis. Circulation Research 2024, 135: e94-e113. PMID: 38957991, PMCID: PMC11293987, DOI: 10.1161/circresaha.123.324015.Peer-Reviewed Original ResearchCerebral vascular malformationsEndothelial progenitor cellsBlood-brain barrier integritySingle-cell RNA sequencing analysisDisruption of blood-brain barrier integrityBarrier integrityResident endothelial progenitor cellsRNA sequencing analysisTissue immunofluorescence analysisEndothelial cellsEPC clustersStem cell markersFocal neurological deficitsBrain's neurovascular unitMTOR signalingHuman CCM lesionsMTORC1 signalingBlood-brain barrierCapillary endothelial cellsCCM pathogenesisVascular malformationsLesion signaturesNeurological deficitsCell markersClonal expansion
2021
Tumor necrosis factor‐induced ArhGEF10 selectively activates RhoB contributing to human microvascular endothelial cell tight junction disruption
Khan A, Ni W, Lopez‐Giraldez F, Kluger MS, Pober JS, Pierce RW. Tumor necrosis factor‐induced ArhGEF10 selectively activates RhoB contributing to human microvascular endothelial cell tight junction disruption. The FASEB Journal 2021, 35: e21627. PMID: 33948992, PMCID: PMC9026622, DOI: 10.1096/fj.202002783rr.Peer-Reviewed Original ResearchConceptsCapillary endothelial cellsHuman dermal microvascular endothelial cellsMicrovascular endothelial cellsEndothelial cellsTight junctionsCultured human microvascular endothelial cellsEC tight junctionsLoss of barrierCapillary leak syndromeCapillary barrier functionDermal microvascular endothelial cellsRhoB activationTight junction disruptionDisrupts tight junctionsHuman microvascular endothelial cellsExtent of TNFHuman capillary endothelial cellsLeak syndromeOverwhelming inflammationCapillary leakBarrier lossTJ disruptionJunction disruptionRhoB knockdownTNF
2019
Progenitor-derived human endothelial cells evade alloimmunity by CRISPR/Cas9-mediated complete ablation of MHC expression
Merola J, Reschke M, Pierce RW, Qin L, Spindler S, Baltazar T, Manes TD, Lopez-Giraldez F, Li G, Bracaglia LG, Xie C, Kirkiles-Smith N, Saltzman WM, Tietjen GT, Tellides G, Pober JS. Progenitor-derived human endothelial cells evade alloimmunity by CRISPR/Cas9-mediated complete ablation of MHC expression. JCI Insight 2019, 4 PMID: 31527312, PMCID: PMC6824302, DOI: 10.1172/jci.insight.129739.Peer-Reviewed Original ResearchMeSH KeywordsAllograftsAnimalsBeta 2-MicroglobulinCD4-Positive T-LymphocytesCD8-Positive T-LymphocytesCell DifferentiationCells, CulturedCRISPR-Cas SystemsDisease Models, AnimalEndothelial CellsEndothelial Progenitor CellsFemaleFetal BloodGene Knockout TechniquesGraft RejectionHealthy VolunteersHumansIsoantibodiesKiller Cells, NaturalLymphocyte ActivationMiceMicrovesselsNuclear ProteinsOrgan TransplantationPrimary Cell CultureTissue EngineeringTrans-ActivatorsConceptsDonor-specific antibodiesClass II transactivatorEndothelial cellsMHC expressionAllogeneic natural killer (NK) cellsT effector memory cellsEffector memory T cellsClass IClass II major histocompatibility complex moleculesEffector memory cellsMHC molecule expressionMemory T cellsNatural killer cellsAlloreactive cytotoxic T lymphocytesAllogeneic endothelial cellsMajor histocompatibility complex moleculesCytotoxic T lymphocytesClass I MHC moleculesHistocompatibility complex moleculesI MHC moleculesAllogeneic CD4Donor leukocytesHuman endothelial cellsGraft perfusionKiller cells
2018
Interferon-γ converts human microvascular pericytes into negative regulators of alloimmunity through induction of indoleamine 2,3-dioxygenase 1
Liu R, Merola J, Manes TD, Qin L, Tietjen GT, López-Giráldez F, Broecker V, Fang C, Xie C, Chen PM, Kirkiles-Smith NC, Jane-Wit D, Pober JS. Interferon-γ converts human microvascular pericytes into negative regulators of alloimmunity through induction of indoleamine 2,3-dioxygenase 1. JCI Insight 2018, 3: e97881. PMID: 29515027, PMCID: PMC5922286, DOI: 10.1172/jci.insight.97881.Peer-Reviewed Original ResearchMeSH KeywordsAllograftsAnimalsAntigen PresentationCell CommunicationCells, CulturedDisease Models, AnimalEndothelial CellsEndothelium, VascularFemaleGraft RejectionHealthy VolunteersHuman Umbilical Vein Endothelial CellsHumansIndoleamine-Pyrrole 2,3,-DioxygenaseInterferon-gammaIsoantigensMice, SCIDMicrovesselsPericytesPrimary Cell CultureRNA, Small InterferingSkinSkin TransplantationT-Lymphocytes, CytotoxicTransplantation ChimeraTransplantation, HomologousTryptophanConceptsInduction of indoleamineHuman pericytesEndothelial cellsAllograft rejectionTryptophan depletionT cellsAcute T cell-mediated rejectionT cell-mediated rejectionEffector memory T cellsDioxygenase 1Early acute rejectionCell-mediated rejectionSkin allograft rejectionAlloreactive T cellsHuman renal allograftsMemory T cellsRole of ECsContribution of pericytesAcute rejectionRenal allograftsImmunoregulatory effectsImmunosuppressive propertiesHuman allograftsMouse modelMicrovascular pericytes