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
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