2013
Clinical implications of the angiosome model in peripheral vascular disease
Sumpio BE, Forsythe RO, Ziegler KR, van Baal JG, Lepantalo MJ, Hinchliffe RJ. Clinical implications of the angiosome model in peripheral vascular disease. Journal Of Vascular Surgery 2013, 58: 814-826. PMID: 23972249, DOI: 10.1016/j.jvs.2013.06.056.Peer-Reviewed Original ResearchConceptsPeripheral vascular diseaseVascular diseaseAngiosome modelVascular surgeryCritical limb ischemiaLarger patient populationReperfusion strategyProspective trialRevascularization attemptsSuccessful revascularizationLimb ischemiaSecondary amputationProspective studyFluorescent angiographyPatient populationVascular operationsAngiosome conceptEndovascular proceduresUnhealed woundsSystematic reviewClinical implicationsDiseaseSurgeryCurrent literatureSignificant rate
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 ResearchConceptsLaminar flowOscillatory flowCyclic strainUnidirectional laminar flowUniform laminar flowMechanical stressDisturbed flowTF RNA expressionHuman umbilical vein endothelial cellsFlowStatic controlHigh TF expressionTF expressionForceMechanical forcesEndothelial cellsRNA expressionSustained amplification
2010
The critical role of hemodynamics in the development of cerebral vascular disease.
Nixon AM, Gunel M, Sumpio BE. The critical role of hemodynamics in the development of cerebral vascular disease. Journal Of Neurosurgery 2010, 112: 1240-53. PMID: 19943737, DOI: 10.3171/2009.10.jns09759.Peer-Reviewed Original ResearchConceptsCerebral vascular diseaseVascular diseaseUnique hemodynamic conditionsExtracranial atherosclerosisArtery diseaseIntracranial atherosclerosisIntracranial saccular aneurysmsTreatment optionsVascular disordersHemodynamic parametersAneurysm formationSaccular aneurysmHemodynamic conditionsNormal levelsVascular biologyDiseaseMultiple studiesMore studiesPatient-specific dataAtherosclerosisHemodynamicsMagnitude of WSSRiskLow wall shear stressDisorders
2006
p38 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
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 literature
2003
Oscillatory shear stress increases smooth muscle cell proliferation and akt phosphorylation
Haga M, Yamashita A, Paszkowiak J, Sumpio BE, Dardik A. Oscillatory shear stress increases smooth muscle cell proliferation and akt phosphorylation. Journal Of Vascular Surgery 2003, 37: 1277-1284. PMID: 12764276, DOI: 10.1016/s0741-5214(03)00329-x.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCattleCell Physiological PhenomenaDisease Models, AnimalHemodynamicsIn Vitro TechniquesMyocytes, Smooth MuscleOscillometryPhosphatidylinositol 3-KinasesPhosphorylationProtein Serine-Threonine KinasesProto-Oncogene ProteinsProto-Oncogene Proteins c-aktShear StrengthSignal TransductionStress, PhysiologicalVascular DiseasesConceptsSignal transduction pathwaysAkt phosphorylationTransduction pathwaysPI3K-Akt signal transduction pathwaySmooth muscle cell proliferationMuscle cell proliferationCell proliferationControl cellsOscillatory shear stressMaximal phosphorylationPI3K inhibitorsCell numberSurvival pathwaysAkt activationBovine aortic SMCSMC survivalInhibitor LY294002Akt pathwayPhosphorylationWestern blot techniqueControl survivalDNA synthesisK inhibitorsAortic SMCsPathwayShear 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
2001
The Integrin-Mediated Cyclic Strain-Induced Signaling Pathway in Vascular Endothelial Cells
Frangos S, Knox R, Yano Y, Chen E, Di Luozzo G, Chen A, Sumpio B. The Integrin-Mediated Cyclic Strain-Induced Signaling Pathway in Vascular Endothelial Cells. Endothelium 2001, 8: 1-10. PMID: 11409847, DOI: 10.3109/10623320109063153.Peer-Reviewed Original ResearchConceptsMitogen-activated protein kinase (MAPK) familyCytoplasmic protein kinaseProtein kinase familySignal transduction pathwaysFocal adhesion kinaseExtracellular matrix receptorsProcess of phosphorylationEndothelial cellsKinase familySignal transductionTranscription factorsAdhesion kinaseProtein kinaseTransduction pathwaysMatrix receptorsGene expressionTyrosine residuesSignaling pathwaysCyclic circumferential strainVascular endothelial cellsPathwayKinaseIntegrinsHemodynamic forcesVasculature results
1999
Localization of Atherosclerosis: Role of Hemodynamics
Frangos S, Gahtan V, Sumpio B. Localization of Atherosclerosis: Role of Hemodynamics. JAMA Surgery 1999, 134: 1142-1149. PMID: 10522862, DOI: 10.1001/archsurg.134.10.1142.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultArteriosclerosisEndothelium, VascularFemaleHemodynamicsHumansMaleRisk FactorsStress, MechanicalConceptsEndothelial cell structureCoronary arteryAortic archRisk factorsAbdominal aortaChronic diseasesVascular endotheliumCircumferential strainRole of hemodynamicsLesionsHemodynamic forcesCyclic circumferential strainMajor branchesSusceptible sitesAtherosclerosisArteryAortaHemodynamicsAtherogenesisEndotheliumDiseasePhosphatidylinositol-3 Kinase Dependent MAP Kinase Activation via p21ras in Endothelial Cells Exposed to Cyclic Strain
Ikeda M, Kito H, Sumpio B. Phosphatidylinositol-3 Kinase Dependent MAP Kinase Activation via p21ras in Endothelial Cells Exposed to Cyclic Strain. Biochemical And Biophysical Research Communications 1999, 257: 668-671. PMID: 10208841, DOI: 10.1006/bbrc.1999.0532.Peer-Reviewed Original ResearchMeSH KeywordsAndrostadienesAnimalsAortaCalcium-Calmodulin-Dependent Protein KinasesCattleCells, CulturedChromonesEndothelium, VascularEnzyme ActivationGuanosine TriphosphateHemodynamicsMorpholinesOncogene Protein p21(ras)Phosphatidylinositol 3-KinasesPhosphoinositide-3 Kinase InhibitorsPhosphorylationSignal TransductionStress, MechanicalTime FactorsWortmanninConceptsERK1/2 activationPhosphatidylinositol-3 kinase inhibitorMAP kinase activationExtracellular signal-regulated protein kinases 1Endothelial cellsMechanical stretchKinase inhibitorsERK1/2 phosphorylationEffect of wortmanninPossible involvementHemodynamic forcesProtein kinase 1ActivationKinase 1Upstream pathwaysRapid activationKinase activationSignal transduction pathwaysP21ras activationLY294002ERK1 activationERK2 activation
1995
Endothelial Cell Control of Vasomotor Tone
Oluwole B, McMillen M, Sumpio B. Endothelial Cell Control of Vasomotor Tone. Annals Of Vascular Surgery 1995, 9: 293-301. PMID: 7543275, DOI: 10.1007/bf02135291.Peer-Reviewed Original Research
1993
Phospholipase C: A Putative Mechanotransducer for Endothelial Cell Response to Acute Hemodynamic Changes
Brophy CM, Mills I, Rosales O, Isales C, Sumpio BE. Phospholipase C: A Putative Mechanotransducer for Endothelial Cell Response to Acute Hemodynamic Changes. Biochemical And Biophysical Research Communications 1993, 190: 576-581. PMID: 8427600, DOI: 10.1006/bbrc.1993.1087.Peer-Reviewed Original ResearchConceptsEndothelial cellsAcute hemodynamic changesPhospholipase C activationHemodynamic changesProduction of inositolAcute decreaseAcute increaseIP3 generationEndothelial cell responsesCell responsesIP3 productionPutative mechanotransducersTransient increaseSpecific signal transduction pathwaysOngoing studiesCardiac cycleC activationSignal transduction pathwaysTransduction pathways
1991
Morphological response of human endothelial cells subjected to cyclic strain in vitro
Iba T, Sumpio B. Morphological response of human endothelial cells subjected to cyclic strain in vitro. Microvascular Research 1991, 42: 245-254. PMID: 1779881, DOI: 10.1016/0026-2862(91)90059-k.Peer-Reviewed Original ResearchHemodynamic forces and the biology of the endothelium: signal transduction pathways in endothelial cells subjected to physical forces in vitro
Sumpio B. Hemodynamic forces and the biology of the endothelium: signal transduction pathways in endothelial cells subjected to physical forces in vitro. Journal Of Vascular Surgery 1991, 13: 744-746. PMID: 2027223, DOI: 10.1016/0741-5214(91)90372-2.Peer-Reviewed Original Research