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
2005
Differential responsiveness of early- and late-passage endothelial cells to shear stress
Kudo FA, Warycha B, Juran PJ, Asada H, Teso D, Aziz F, Frattini J, Sumpio BE, Nishibe T, Cha C, Dardik A. Differential responsiveness of early- and late-passage endothelial cells to shear stress. The American Journal Of Surgery 2005, 190: 763-769. PMID: 16226955, DOI: 10.1016/j.amjsurg.2005.07.017.Peer-Reviewed Original ResearchMeSH KeywordsAgingAnimalsAortaApoptosisBlotting, WesternCattleCell CountCell DivisionCell ProliferationCells, CulturedEndothelium, VascularIn Vitro TechniquesMuscle, Smooth, VascularPhosphorylationProliferating Cell Nuclear AntigenProtein Serine-Threonine KinasesProtein-Tyrosine KinasesProto-Oncogene ProteinsProto-Oncogene Proteins c-aktShear StrengthStress, MechanicalTumor Suppressor Protein p53ConceptsLate passage endothelial cellsOrbital shear stressEarly passage cellsSmooth muscle cell migrationMuscle cell migrationEndothelial cellsSenescence modelAkt phosphorylationCell migrationProtein kinase B activationPassage cellsKinase B activationCell proliferationVascular disease increasesLate passage cellsBovine aortic endothelial cellsNuclear antigen reactivityAortic endothelial cellsEndothelial cell proliferationNeointimal hyperplasiaAntigen reactivityTotal AktBoyden chamberB activationWestern blottingShear 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 pathways
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 SMCsPathway