2011
Cyclic Strain Delays the Expression of Tissue Factor Induced by Thrombin in Human Umbilical Vein Endothelial Cells
Yamashita N, Abe R, Nixon A, Rochier A, Madri J, Sumpio B. Cyclic Strain Delays the Expression of Tissue Factor Induced by Thrombin in Human Umbilical Vein Endothelial Cells. International Journal Of Angiology 2011, 20: 157-166. PMID: 22942631, PMCID: PMC3331651, DOI: 10.1055/s-0031-1284475.Peer-Reviewed Original ResearchHuman umbilical vein endothelial cellsUmbilical vein endothelial cellsVein endothelial cellsExtracellular signal-regulated protein kinase (ERK) inhibitorsProtein kinase inhibitorsEndothelial cellsEgr-1 levelsTF expressionERK activityERK inhibitorThrRNA expressionP38Messenger RNA expressionTF mRNA expressionCyclic strainCulture conditionsExpression of TFKinase inhibitorsExpressionStationary culture conditionsTissue factor expressionFactor expressionCellsMRNA expressionVarying 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
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
Role 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 strainPathwayRole of ligand specific integrins in endothelial cell alignment and elongation induced by cyclic strain
HIRAYAMA Y, Sumpio B. Role of ligand specific integrins in endothelial cell alignment and elongation induced by cyclic strain. The FASEB Journal 2007, 21: a752-a752. DOI: 10.1096/fasebj.21.6.a752-b.Peer-Reviewed Original Research
2003
Role of PP2A in the regulation of p38 MAPK activation in bovine aortic endothelial cells exposed to cyclic strain
Lee T, Kim SJ, Sumpio BE. Role of PP2A in the regulation of p38 MAPK activation in bovine aortic endothelial cells exposed to cyclic strain. Journal Of Cellular Physiology 2003, 194: 349-355. PMID: 12548554, DOI: 10.1002/jcp.10211.Peer-Reviewed Original ResearchConceptsP38 MAPK activationMAPK activationCatalytic subunitBovine aortic endothelial cellsPhospho-p38 MAPKOkadaic acidProtein phosphatase type 2AInhibitor of PP2AAortic endothelial cellsEndothelial cellsProtein kinaseRapid phosphorylationPP2AP38 mitogenRegulatory roleCell lysatesPhosphatase activityPP2AcMAPKPhosphorylationCyclic strainSubunitsType 2ACyclic strain resultsCells
2001
Cyclic strain activates the pro-survival Akt protein kinase in bovine aortic smooth muscle cells
Chen A, Gortler D, Kilaru S, Araim O, Frangos S, Sumpio B. Cyclic strain activates the pro-survival Akt protein kinase in bovine aortic smooth muscle cells. Surgery 2001, 130: 378-381. PMID: 11490374, DOI: 10.1067/msy.2001.116668.Peer-Reviewed Original ResearchConceptsBovine aortic smooth muscle cellsAortic smooth muscle cellsSmooth muscle cellsProtein kinaseSerine/threonine protein kinaseThreonine protein kinasePro-survival functionAkt protein kinasePro-survival Akt kinaseMuscle cellsPhosphorylation of AktPlatelet-derived growth factorInhibition of apoptosisAkt kinasePrevalence of apoptosisArterial endothelial cellsWestern blot analysisCell survivalAkt phosphorylationKinaseBlot analysisApoptosisCyclic strainPhosphorylationArterial SMC proliferation
1998
Cyclooxygenase Expression in Bovine Aortic Endothelial Cells Exposed to Cyclic Strain
Kito H, Yokoyama C, Inoue H, Tanabe T, Nakajima N, Sumpio B. Cyclooxygenase Expression in Bovine Aortic Endothelial Cells Exposed to Cyclic Strain. Endothelium 1998, 6: 107-112. PMID: 9930644, DOI: 10.3109/10623329809072197.Peer-Reviewed Original ResearchConceptsAortic endothelial cellsBovine aortic endothelial cellsEndothelial cellsInduction of COXCOX-1 expressionCOX-2 promoter activityExposure of ECsPromoter activityCycles/minCOX-2Cyclooxygenase expressionCOX-1Weak inducerMRNA expressionExtent of inductionNorthern blot analysisBlot analysisTransient transfection experimentsLipopolysaccharideMinimal effectExpressionInductionTransfection experimentsCyclic strainCells
1997
Gene Regulation by Mechanical Forces
Oluwole BO, Du W, Mills I, Sumpio BE. Gene Regulation by Mechanical Forces. Endothelium 1997, 5: 85-93. PMID: 9237042, DOI: 10.3109/10623329709079866.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCattleCell Adhesion MoleculesCell Culture TechniquesCells, CulturedEndothelinsEndothelium, VascularEpoprostenolFocal Adhesion Kinase 1Focal Adhesion Protein-Tyrosine KinasesGene Expression RegulationHemorheologyHumansMechanoreceptorsMembranes, ArtificialNitric OxideProtein-Tyrosine KinasesSignal TransductionStress, MechanicalTissue Plasminogen ActivatorTranscription FactorsTranscription, GeneticVacuumConceptsEndothelial cellsEndothelial cell functionCyclic strainVasoactive mediatorsSecond messenger cascadesNitric oxideBlood vesselsMechanical forcesCell functionMechanical deformationFlow of bloodMessenger cascadesLuminal surfaceSpecific response elementsPromoter geneResponse elementExternal forcesMediatorsCytoskeletal changesCellsForceProstacyclinExpressionTranscription levels
1996
Protein phosphatase 2A in stretch‐induced endothelial cell proliferation
Murata K, Mills I, Sumpio B. Protein phosphatase 2A in stretch‐induced endothelial cell proliferation. Journal Of Cellular Biochemistry 1996, 63: 311-319. PMID: 8913882, DOI: 10.1002/(sici)1097-4644(19961201)63:3<311::aid-jcb6>3.0.co;2-#.Peer-Reviewed Original ResearchConceptsProtein phosphatase 2APhosphatase 2AProtein phosphatase 2A activityProtein phosphatase 1Phosphatase 2A activityProtein kinase CPhosphatase 1Bovine aortic endothelial cellsOkadaic acidGrowth suppressorEndothelial cellsKinase CEndothelial cell proliferationCell growthFetal bovine serumCellular proliferationAortic endothelial cellsCell proliferationCyclic strainBovine serumKey mechanismProliferationCellsStrainsSuppressor