2011
Varying Effects of Hemodynamic Forces on Tissue Factor RNA Expression in Human Endothelial Cells
Abe R, Yamashita N, Rochier A, Nixon A, Abe R, Madri JA, Sumpio BE. Varying Effects of Hemodynamic Forces on Tissue Factor RNA Expression in Human Endothelial Cells. Journal Of Surgical Research 2011, 170: 150-156. PMID: 21592524, DOI: 10.1016/j.jss.2011.04.002.Peer-Reviewed Original ResearchMeSH KeywordsAtherosclerosisCells, CulturedEndothelial CellsHemodynamicsHumansPulsatile FlowRNA, MessengerStress, MechanicalThrombinThromboplastinConceptsLaminar flowOscillatory flowCyclic strainUnidirectional laminar flowUniform laminar flowMechanical stressDisturbed flowTF RNA expressionHuman umbilical vein endothelial cellsFlowStatic controlHigh TF expressionTF expressionForceMechanical forcesEndothelial cellsRNA expressionSustained amplificationLaminar shear, but not orbital shear, has a synergistic effect with thrombin stimulation on tissue factor expression in human umbilical vein endothelial cells
Rochier A, Nixon A, Yamashita N, Abe R, Abe R, Madri JA, Sumpio BE. Laminar shear, but not orbital shear, has a synergistic effect with thrombin stimulation on tissue factor expression in human umbilical vein endothelial cells. Journal Of Vascular Surgery 2011, 54: 480-488. PMID: 21367569, DOI: 10.1016/j.jvs.2011.01.002.Peer-Reviewed Original ResearchAnalysis of VarianceBlotting, WesternCell Culture TechniquesCells, CulturedEndothelial CellsEnzyme ActivationHumansMechanotransduction, CellularMitogen-Activated Protein Kinase 1Mitogen-Activated Protein Kinase 3P38 Mitogen-Activated Protein KinasesPhosphorylationProtein Kinase InhibitorsRNA, MessengerStress, MechanicalThrombinThromboplastinTime FactorsUp-RegulationPulsatile to-fro flow induces greater and sustained expression of tissue factor RNA in HUVEC than unidirectional laminar flow
Abe R, Yamashita N, Rochier A, Abe R, Nixon A, Madri JA, Sumpio BE. Pulsatile to-fro flow induces greater and sustained expression of tissue factor RNA in HUVEC than unidirectional laminar flow. AJP Heart And Circulatory Physiology 2011, 300: h1345-h1351. PMID: 21257914, PMCID: PMC3075035, DOI: 10.1152/ajpheart.01197.2010.Peer-Reviewed Original Research
2010
The Effects of Freezing versus Supercooling on Vascular Cells: Implications for Balloon Cryoplasty
Basco MT, Yiu WK, Cheng SW, Sumpio BE. The Effects of Freezing versus Supercooling on Vascular Cells: Implications for Balloon Cryoplasty. Journal Of Vascular And Interventional Radiology 2010, 21: 910-915. PMID: 20417120, PMCID: PMC2878641, DOI: 10.1016/j.jvir.2010.02.016.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsApoptosisCatheterizationCattleCell SurvivalCells, CulturedCold TemperatureCryosurgeryEndothelial CellsFreezing
2008
Differential Effects of Shear Stress and Cyclic Strain on Sp1 Phosphorylation by Protein Kinase Cζ Modulates Membrane Type 1–Matrix Metalloproteinase in Endothelial Cells
Kim JI, Cordova AC, Hirayama Y, Madri JA, Sumpio BE. Differential Effects of Shear Stress and Cyclic Strain on Sp1 Phosphorylation by Protein Kinase Cζ Modulates Membrane Type 1–Matrix Metalloproteinase in Endothelial Cells. Endothelium 2008, 15: 33-42. PMID: 18568943, PMCID: PMC2644408, DOI: 10.1080/10623320802092260.Peer-Reviewed Original ResearchConceptsSp1 phosphorylationMT1-MMP expressionPromoter sitesPKCzeta inhibitorProtein kinase CzetaAffinity of Sp1Egr-1 bindingProtein kinase CζExtracellular matrix remodelingEndothelial cell migrationSp1Cell migrationPhosphorylationMatrix remodelingProtein expressionCyclic strainExpressionMembrane typeEndothelial cellsKey roleCzetaInhibitorsCζMetalloproteinaseAffinity
2007
Direct comparison of endothelial cell and smooth muscle cell response to supercooling and rewarming
Yiu WK, Cheng SW, Sumpio BE. Direct comparison of endothelial cell and smooth muscle cell response to supercooling and rewarming. Journal Of Vascular Surgery 2007, 46: 557-564.e2. PMID: 17826245, DOI: 10.1016/j.jvs.2007.04.072.Peer-Reviewed Original ResearchAnimalsAorta, ThoracicApoptosisBlotting, WesternCattleCell ProliferationCells, CulturedCryopreservationDensitometryEndothelial CellsEnzyme ActivationIn Situ Nick-End LabelingMitogen-Activated Protein Kinase 1Mitogen-Activated Protein Kinase 3Muscle, Smooth, VascularPhosphorylationProto-Oncogene Proteins c-aktRewarmingEffects of different types of fluid shear stress on endothelial cell proliferation and survival
Kadohama T, Nishimura K, Hoshino Y, Sasajima T, Sumpio BE. Effects of different types of fluid shear stress on endothelial cell proliferation and survival. Journal Of Cellular Physiology 2007, 212: 244-251. PMID: 17323381, DOI: 10.1002/jcp.21024.Peer-Reviewed Original ResearchPhosphatase PTEN is inactivated in bovine aortic endothelial cells exposed to cyclic strain
Hoshino Y, Nishimura K, Sumpio BE. Phosphatase PTEN is inactivated in bovine aortic endothelial cells exposed to cyclic strain. Journal Of Cellular Biochemistry 2007, 100: 515-526. PMID: 16927376, DOI: 10.1002/jcb.21085.Peer-Reviewed Original ResearchConceptsCasein kinase 2Transfection of ECsPTEN plasmidVascular cell morphologyEndothelial cellsPI3K activitySuppression of apoptosisPI3K-Akt pathwayLipid phosphataseMaximal activityPhosphatase PTENPhospho-PTENPTEN activityBovine aortic endothelial cellsIntracellular phosphatidylinositolUpstream regulatorAkt activityKinase 2Phospho-AKT activityK activityTime-dependent mannerAortic endothelial cellsCell morphologyCell proliferationPTENRole of Ligand-Specific Integrins in Endothelial Cell Alignment and Elongation Induced by Cyclic Strain
Hirayama Y, Sumpio BE. Role of Ligand-Specific Integrins in Endothelial Cell Alignment and Elongation Induced by Cyclic Strain. Endothelium 2007, 14: 275-283. PMID: 18080865, DOI: 10.1080/10623320701746248.Peer-Reviewed Original ResearchConceptsEndothelial cellsP38 MAPKAnti-alpha2 integrin antibodyMorphological changesP38 mitogen-activated protein kinase (MAPK) pathwayCycles/minIntegrin-blocking antibodiesP38 MAPK pathwayMitogen-activated protein kinase pathwayAlpha 5Integrin antibodyProtein kinase pathwayMAPK pathwayAntibodiesKinase pathwayMAPKMultiple biological processesActivationIntegrinsCritical roleCyclic strainPathway
2006
PECAM-1 Affects GSK-3β-Mediated β-Catenin Phosphorylation and Degradation
Biswas P, Canosa S, Schoenfeld D, Schoenfeld J, Li P, Cheas LC, Zhang J, Cordova A, Sumpio B, Madri JA. PECAM-1 Affects GSK-3β-Mediated β-Catenin Phosphorylation and Degradation. American Journal Of Pathology 2006, 169: 314-324. PMID: 16816383, PMCID: PMC1698776, DOI: 10.2353/ajpath.2006.051112.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBeta CateninBlotting, WesternCapillary PermeabilityCells, CulturedEndothelial CellsFluorescent Antibody TechniqueGlycogen Synthase Kinase 3Glycogen Synthase Kinase 3 betaHistamineHistamine AgentsHumansMiceModels, BiologicalPhosphatidylinositol 3-KinasesPhosphorylationPlatelet Endothelial Cell Adhesion Molecule-1Proto-Oncogene Proteins c-aktReceptors, HistamineSignal TransductionConceptsAdherens junctionsSerine phosphorylationSrc homology 2 domainBeta-catenin expression levelsAdherens junction componentsSerine phosphorylation levelEndothelial cellsΒ-catenin phosphorylationPECAM-1Cell biological responsesCytoplasmic domainSHP-2Proteosomal degradationGSK-3betaDynamic regulatorJunction componentsPhosphorylation levelsPhosphorylationEndothelial cell adhesion molecule-1Expression levelsGSK-3βBiological responsesEndothelial barrier permeabilityMice exhibitCell adhesion molecule-1Role of AKT in cyclic strain-induced endothelial cell proliferation and survival
Nishimura K, Li W, Hoshino Y, Kadohama T, Asada H, Ohgi S, Sumpio BE. Role of AKT in cyclic strain-induced endothelial cell proliferation and survival. American Journal Of Physiology - Cell Physiology 2006, 290: c812-c821. PMID: 16469863, DOI: 10.1152/ajpcell.00347.2005.Peer-Reviewed Original ResearchConceptsEndothelial cellsCycles/minRole of AktEC proliferationCultured bovine aortic endothelial cellsSurvival of ECsAortic endothelial cellsApoptotic endothelial cellsGSK-3betaBovine aortic endothelial cellsEndothelial cell proliferationFrequency of strainsPositive cellsGlycogen synthase kinaseKinase-dead AktCell proliferationCaspase-3AktSurvivalCell numberSynthase kinaseProliferationEarly phosphorylationBad phosphorylationp38 Mitogen-Activated Protein Kinase Activation in Endothelial Cell Is Implicated in Cell Alignment and Elongation Induced by Fluid Shear Stress
Kadohama T, Akasaka N, Nishimura K, Hoshino Y, Sasajima T, Sumpio BE. p38 Mitogen-Activated Protein Kinase Activation in Endothelial Cell Is Implicated in Cell Alignment and Elongation Induced by Fluid Shear Stress. Endothelium 2006, 13: 43-50. PMID: 16885066, DOI: 10.1080/10623320600660219.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodiesAtherosclerosisBlood PressureBlood VesselsCattleCell PolarityCell ShapeCells, CulturedDose-Response Relationship, DrugEndothelial CellsEnzyme ActivationEnzyme InhibitorsHemodynamicsMAP Kinase Signaling SystemP38 Mitogen-Activated Protein KinasesPhosphorylationRegional Blood FlowStress, MechanicalTime FactorsConceptsStatic endothelial cellsFluid shear stressP38 MAPKP38 Mitogen-Activated Protein Kinase ActivationMitogen-Activated Protein Kinase ActivationEndothelial cellsProtein kinase activationP38 MAPK inhibitor SB-203580Inhibitor SB 203580Cell alignmentProtein kinaseBovine aortic endothelial cellsLaminar shear stressKinase activationSB 203580P38 mitogenCultured bovine aortic endothelial cellsEC elongationAortic endothelial cellsMAPKCellsElongationActivationMorphometric analysisKinase
2005
Shear stress-stimulated endothelial cells induce smooth muscle cell chemotaxis via platelet-derived growth factor-BB and interleukin-1α
Dardik A, Yamashita A, Aziz F, Asada H, Sumpio BE. Shear stress-stimulated endothelial cells induce smooth muscle cell chemotaxis via platelet-derived growth factor-BB and interleukin-1α. Journal Of Vascular Surgery 2005, 41: 321-331. PMID: 15768016, DOI: 10.1016/j.jvs.2004.11.016.Peer-Reviewed Original ResearchConceptsSignal transduction pathwaysPlatelet-derived growth factorSMC chemotaxisCell signal transduction pathwaysMitogen-activated protein kinase pathwaySmooth muscle cell chemotaxisERK1/2 phosphorylationPDGF-BBExtracellular signal-regulated protein kinase 1/2Pathway inhibitor PD98059Protein kinase pathwayEndothelial cellsERK1/2 signal transduction pathwayProtein kinase 1/2Vascular smooth muscle cell migrationBovine aortic endothelial cellsKinase pathwayInhibitor PD98059Smooth muscle cell migrationHemodynamic forcesKinase 1/2Platelet-derived growthMuscle cell migrationWestern blot analysisTarget pathwaysMAPKs (ERK½, p38) and AKT Can Be Phosphorylated by Shear Stress Independently of Platelet Endothelial Cell Adhesion Molecule-1 (CD31) in Vascular Endothelial Cells*
Sumpio BE, Yun S, Cordova AC, Haga M, Zhang J, Koh Y, Madri JA. MAPKs (ERK½, p38) and AKT Can Be Phosphorylated by Shear Stress Independently of Platelet Endothelial Cell Adhesion Molecule-1 (CD31) in Vascular Endothelial Cells*. Journal Of Biological Chemistry 2005, 280: 11185-11191. PMID: 15668248, DOI: 10.1074/jbc.m414631200.Peer-Reviewed Original ResearchAnimalsCattleCell CommunicationEndothelial CellsEnzyme ActivationHumansMechanoreceptorsMiceMitogen-Activated Protein Kinase 1Mitogen-Activated Protein Kinase 3P38 Mitogen-Activated Protein KinasesPhosphorylationPlatelet Endothelial Cell Adhesion Molecule-1Protein Serine-Threonine KinasesProto-Oncogene ProteinsProto-Oncogene Proteins c-aktStress, MechanicalTyrosine
2004
Molecular and biological effects of hemodynamics on vascular cells.
Pradhan S, Sumpio B. Molecular and biological effects of hemodynamics on vascular cells. Frontiers In Bioscience-Landmark 2004, 9: 3276-85. PMID: 15353357, DOI: 10.2741/1480.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAtherosclerosisCell MovementCell ProliferationCells, CulturedCyclic AMPDiglyceridesDisease ProgressionEndothelial CellsExtracellular MatrixHemodynamicsHumansInositol 1,4,5-TrisphosphateIntercellular Adhesion Molecule-1Plasminogen ActivatorsProtein Kinase CRisk FactorsStress, MechanicalConceptsEndothelial cellsSignificant atherosclerotic plaqueSystemic risk factorsTissue plasminogen activatorCellular adhesion moleculesCurrent pertinent literatureCultured endothelial cellsRisk factorsSecond messenger systemsSignificant lesionsProtein kinase C pathwayICAM-1Atherosclerosis formationAtherosclerotic plaquesVascular anatomyKinase C pathwayNitric oxideVascular cellsPlasminogen activatorAdhesion moleculesBlood vesselsVascular biologyMessenger systemsVessel wallPertinent literatureCell signalling in vascular cells exposed to cyclic strain: the emerging role of protein phosphatases
Lee T, Sumpio BE. Cell signalling in vascular cells exposed to cyclic strain: the emerging role of protein phosphatases. Biotechnology And Applied Biochemistry 2004, 39: 129-139. PMID: 15032733, DOI: 10.1042/ba20030104.Peer-Reviewed Original ResearchConceptsPhosphorylation stateSerine/threonine residuesProtein phosphatase type 2AAbnormal phosphorylation stateCritical cellular functionsPhosphorylation of tyrosineRole of phosphatasesVascular cellsRole of proteinsThreonine residuesCellular functionsProtein kinaseIntracellular proteinsCellular growthHuman diseasesProteinPhosphataseType 2AEndothelial cellsCellsCardiac hypertrophyKinasePhosphorylationHaemodynamic forcesRoleEffects of Cyclic Strain on Vascular Cells
Kakisis JD, Liapis CD, Sumpio BE. Effects of Cyclic Strain on Vascular Cells. Endothelium 2004, 11: 17-28. PMID: 15203876, DOI: 10.1080/10623320490432452.Peer-Reviewed Original ResearchConceptsCAMP-responsive elementVascular cell morphologyExtracellular mechanical signalsMitogen-activated protein kinaseProtein kinase CPlatelet-derived growth factor receptorEarly growth responseCells senseNumerous genesActivator proteinTranscription factorsProtein kinaseGrowth factor receptorAP-2Chemical signalsSecond messengerKinase CG proteinsMechanical signalsCell nucleiGrowth responseIon channelsCell morphologyFactor receptorCell proliferation
2003
Shear Stress and Cyclic Strain May Suppress Apoptosis in Endothelial Cells by Different Pathways
Haga M, Chen A, Gortler D, Dardik A, Sumpio B. Shear Stress and Cyclic Strain May Suppress Apoptosis in Endothelial Cells by Different Pathways. Endothelium 2003, 10: 149-157. DOI: 10.1080/713715223.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsApoptosisBcl-Associated Death ProteinCarrier ProteinsCattleCells, CulturedCulture Media, Serum-FreeEndothelial CellsEnzyme InhibitorsHemodynamicsPhosphatidylinositol 3-KinasesPhosphoinositide-3 Kinase InhibitorsPhosphorylationProtein Serine-Threonine KinasesProto-Oncogene ProteinsProto-Oncogene Proteins c-aktSignal TransductionStress, MechanicalTranscription, GeneticConceptsPhosphorylation of AktEndothelial cellsPI3K inhibitionInhibition of apoptosisK inhibitionHemodynamic forcesAortic endothelial cellsBovine aortic endothelial cellsEffect of SSArterial levelsIntimal hyperplasiaDownstream target BadNormal endotheliumMaximal stimulationAkt phosphorylationLaminar shear stressApoptosisDownstream phosphorylationAktInhibitionCell survivalEC growthSerum withdrawalAlternate pathwayPhosphorylation of BadShear Stress and Cyclic Strain May Suppress Apoptosis in Endothelial Cells by Different Pathways
Haga M, Chen A, Gortler D, Dardik A, Sumpio B. Shear Stress and Cyclic Strain May Suppress Apoptosis in Endothelial Cells by Different Pathways. Endothelium 2003, 10: 149-157. PMID: 13129818, DOI: 10.1080/10623320390233463.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsApoptosisBcl-Associated Death ProteinCarrier ProteinsCattleCells, CulturedCulture Media, Serum-FreeEndothelial CellsEnzyme InhibitorsHemodynamicsPhosphatidylinositol 3-KinasesPhosphoinositide-3 Kinase InhibitorsPhosphorylationProtein Serine-Threonine KinasesProto-Oncogene ProteinsProto-Oncogene Proteins c-aktSignal TransductionStress, MechanicalTranscription, GeneticConceptsPhosphorylation of AktEndothelial cellsPI3K inhibitionInhibition of apoptosisK inhibitionHemodynamic forcesAortic endothelial cellsBovine aortic endothelial cellsEffect of SSArterial levelsIntimal hyperplasiaDownstream target BadNormal endotheliumMaximal stimulationAkt phosphorylationLaminar shear stressApoptosisDownstream phosphorylationAktInhibitionCell survivalEC growthSerum withdrawalAlternate pathwayPhosphorylation of Bad