2013
eNOS-derived nitric oxide regulates endothelial barrier function through VE-cadherin and Rho GTPases
Di Lorenzo A, Lin MI, Murata T, Landskroner-Eiger S, Schleicher M, Kothiya M, Iwakiri Y, Yu J, Huang PL, Sessa WC. eNOS-derived nitric oxide regulates endothelial barrier function through VE-cadherin and Rho GTPases. Journal Of Cell Science 2013, 126: 5541-5552. PMID: 24046447, PMCID: PMC3860306, DOI: 10.1242/jcs.115972.Peer-Reviewed Original ResearchMeSH KeywordsAdherens JunctionsAnimalsAntigens, CDCadherinsCapillary PermeabilityCells, CulturedCSK Tyrosine-Protein KinaseEndothelial CellsEndothelium, VascularGuanine Nucleotide Exchange FactorsHumansMaleMiceMice, Inbred C57BLMice, KnockoutNitric OxideNitric Oxide Synthase Type IIIPhosphorylationProtein Processing, Post-TranslationalProtein TransportSrc-Family KinasesStress FibersT-Lymphoma Invasion and Metastasis-inducing Protein 1Vascular Endothelial Growth Factor AConceptsAdherens junctionsVE-cadherinExchange factor Tiam1Vascular endothelial growth factorStress fiber formationEndothelial NO synthaseEndothelial adherens junctionsVE-cadherin phosphorylationCytoskeletal architectureRho GTPasesCortical actinCytoskeletal remodelingRac GTPaseC-SrcRac guanineRho activationMolecular mechanismsPhysiological roleEndothelial barrier functionFiber formationENOS activationGrowth factorEnhanced activationActivationNitric oxide
2012
Proteomic Identification of S-Nitrosylated Golgi Proteins: New Insights into Endothelial Cell Regulation by eNOS-Derived NO
Sangwung P, Greco TM, Wang Y, Ischiropoulos H, Sessa WC, Iwakiri Y. Proteomic Identification of S-Nitrosylated Golgi Proteins: New Insights into Endothelial Cell Regulation by eNOS-Derived NO. PLOS ONE 2012, 7: e31564. PMID: 22363674, PMCID: PMC3283662, DOI: 10.1371/journal.pone.0031564.Peer-Reviewed Original ResearchConceptsGolgi proteinsGolgi phosphoprotein 3S-nitrosylationGolgi apparatusCysteine residuesSelective S-nitrosylationPlasma membrane caveolaeGolgi/endoplasmic reticulumProtein S-nitrosylationTarget cysteine residuesEndothelial cellsEndothelial nitric oxide synthaseMembrane caveolaeEndothelial cell lysatesProteomic identificationEndothelial cell regulationGolgi membranesBiotin switchCell regulationEndoplasmic reticulumENOS stimulationCell lysatesProteinImmunoprecipitationWestern blot
2011
S-nitrosylation of proteins: A new insight into endothelial cell function regulated by eNOS-derived NO
Iwakiri Y. S-nitrosylation of proteins: A new insight into endothelial cell function regulated by eNOS-derived NO. Nitric Oxide 2011, 25: 95-101. PMID: 21554971, PMCID: PMC3152628, DOI: 10.1016/j.niox.2011.04.014.BooksConceptsS-nitrosylationCellular processesGolgi apparatusIntracellular membrane domainPlasma membrane caveolaeEndothelial cell functionCell functionProtein traffickingMembrane caveolaeMembrane domainsCytoplasmic faceTarget proteinsCell cycleSignaling mechanismMessenger moleculesCell growthRedox stateProteinNitric oxide synthaseIntracellular reactionsNew insightsEndothelial NOSNitric oxideEndothelial nitric oxide synthaseFamily members
2008
Vascular biology and pathobiology of the liver: Report of a single‐topic symposium
Iwakiri Y, Grisham M, Shah V. Vascular biology and pathobiology of the liver: Report of a single‐topic symposium. Hepatology 2008, 47: 1754-1763. PMID: 18393322, PMCID: PMC2724750, DOI: 10.1002/hep.22203.BooksMeSH KeywordsAnimalsFibroblastsHumansHypertension, PortalLiverLiver CirculationLiver CirrhosisModels, AnimalNitric OxideNitric Oxide Synthase Type IIIReperfusion InjuryZebrafishConceptsPortal hypertensionVascular biologyIschemia-reperfusion injurySingle Topic ConferenceMajority of morbidityClinical sequelaeIR injurySpecific disease syndromesLiver diseaseVascular syndromesVascular diseaseVascular cell signalingHypertensionDisease syndromeLiver cellsSyndromeMajor vascular defectsLiverVascular defectsInjuryDiseasePathobiologyAmerican AssociationCell signalingCirrhosis
2007
Loss of Akt1 Leads to Severe Atherosclerosis and Occlusive Coronary Artery Disease
Fernández-Hernando C, Ackah E, Yu J, Suárez Y, Murata T, Iwakiri Y, Prendergast J, Miao RQ, Birnbaum MJ, Sessa WC. Loss of Akt1 Leads to Severe Atherosclerosis and Occlusive Coronary Artery Disease. Cell Metabolism 2007, 6: 446-457. PMID: 18054314, PMCID: PMC3621848, DOI: 10.1016/j.cmet.2007.10.007.Peer-Reviewed Original ResearchMeSH KeywordsAcute Coronary SyndromeAnimalsApolipoproteins EApoptosisAtherosclerosisBone Marrow TransplantationCoronary OcclusionDisease Models, AnimalEndothelial CellsFemaleHumansInflammation MediatorsMacrophagesMaleMiceMice, KnockoutNitric Oxide Synthase Type IINitric Oxide Synthase Type IIIProto-Oncogene Proteins c-aktConceptsLoss of Akt1Apolipoprotein E knockout backgroundOcclusive coronary artery diseaseBone marrow transfer experimentsAcute coronary syndromeCoronary artery diseaseLesion expansionCoronary syndromeCoronary atherosclerosisSevere atherosclerosisArtery diseaseInflammatory mediatorsCoronary lesionsVascular protectionVascular originProinflammatory genesENOS phosphorylationCardiovascular systemLesion formationGenetic ablationEndothelial cellsAtherogenesisEnhanced expressionKnockout backgroundVessel wallThe Molecules
Iwakiri Y. The Molecules. Journal Of Clinical Gastroenterology 2007, 41: s288-s294. PMID: 17975478, DOI: 10.1097/mcg.0b013e3181468b4c.BooksMeSH KeywordsAdrenomedullinAnimalsArteriesBiological FactorsCannabinoid Receptor ModulatorsCarbon MonoxideCoenzymesEndothelium, VascularEpoprostenolHumansHydrogen SulfideHypertension, PortalLiver CirrhosisNitric OxideNitric Oxide Synthase Type IIIPortal PressureSplanchnic CirculationTumor Necrosis Factor-alphaUp-RegulationVascular Endothelial Growth Factor AVasodilationVasodilator Agents
2006
Nitric oxide synthase generates nitric oxide locally to regulate compartmentalized protein S-nitrosylation and protein trafficking
Iwakiri Y, Satoh A, Chatterjee S, Toomre DK, Chalouni CM, Fulton D, Groszmann RJ, Shah VH, Sessa WC. Nitric oxide synthase generates nitric oxide locally to regulate compartmentalized protein S-nitrosylation and protein trafficking. Proceedings Of The National Academy Of Sciences Of The United States Of America 2006, 103: 19777-19782. PMID: 17170139, PMCID: PMC1750883, DOI: 10.1073/pnas.0605907103.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCattleCell LineChlorocebus aethiopsGolgi ApparatusKineticsNitric OxideNitric Oxide Synthase Type IIIProtein TransportS-NitrosothiolsConceptsProtein S-nitrosylationS-nitrosylationN-ethylmaleimide-sensitive factorPlasma membrane caveolaeAlters protein functionSpecific cysteine residuesSpecific posttranslational modificationsSpecific S-nitrosylationS-nitrosylation reactionsIntracellular transport processesProtein traffickingMembrane caveolaeProtein functionProtein transportPosttranslational modificationsCysteine residuesPlasma membraneTarget proteinsENOS localizationGolgi apparatusEndoplasmic reticulumGolgiDiffusible natureNOS actionGenerate nitric oxideMild increases in portal pressure upregulate vascular endothelial growth factor and endothelial nitric oxide synthase in the intestinal microcirculatory bed, leading to a hyperdynamic state
Abraldes JG, Iwakiri Y, Loureiro-Silva M, Haq O, Sessa WC, Groszmann RJ. Mild increases in portal pressure upregulate vascular endothelial growth factor and endothelial nitric oxide synthase in the intestinal microcirculatory bed, leading to a hyperdynamic state. AJP Gastrointestinal And Liver Physiology 2006, 290: g980-g987. PMID: 16603731, DOI: 10.1152/ajpgi.00336.2005.Peer-Reviewed Original ResearchMeSH KeywordsAngiogenesis InhibitorsAnimalsEndothelium, VascularHypertension, PortalIndolesIntestinal MucosaIntestinesJejunumMaleMicrocirculationNeovascularization, PathologicNitric Oxide SynthaseNitric Oxide Synthase Type IIIPortal PressurePyrrolesRatsUp-RegulationVascular Endothelial Growth Factor AVasodilationConceptsEndothelial NO synthasePortal hypertensionPortal vein ligationHyperdynamic circulationPortal pressureENOS expressionMild increaseVEGF expressionUpregulates Vascular Endothelial Growth FactorNitric oxideEndothelial nitric oxide synthaseAdvanced portal hypertensionVascular endothelial growth factorNitric oxide synthaseEndothelial growth factorInhibition of VEGFHyperdynamic statePVL ratsSplanchnic hemodynamicsIntestinal microcirculationPortosystemic shuntingVein ligationSham ratsOxide synthaseNO synthase
2004
Targeting of Endothelial Nitric-oxide Synthase to the Cytoplasmic Face of the Golgi Complex or Plasma Membrane Regulates Akt- Versus Calcium-dependent Mechanisms for Nitric Oxide Release*
Fulton D, Babbitt R, Zoellner S, Fontana J, Acevedo L, McCabe TJ, Iwakiri Y, Sessa WC. Targeting of Endothelial Nitric-oxide Synthase to the Cytoplasmic Face of the Golgi Complex or Plasma Membrane Regulates Akt- Versus Calcium-dependent Mechanisms for Nitric Oxide Release*. Journal Of Biological Chemistry 2004, 279: 30349-30357. PMID: 15136572, DOI: 10.1074/jbc.m402155200.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBlotting, WesternCalciumCalmodulinCell MembraneCOS CellsCysteineCytoplasmEndothelium, VascularGolgi ApparatusHumansMicroscopy, FluorescenceMyristic AcidsNitric OxideNitric Oxide SynthaseNitric Oxide Synthase Type IIIPalmitic AcidsPhosphorylationProtein Serine-Threonine KinasesProtein Structure, TertiaryProto-Oncogene ProteinsProto-Oncogene Proteins c-aktSerineTransfectionUmbilical VeinsConceptsPlasma membraneGolgi complexAkt-dependent phosphorylationEndothelial nitricoxide synthasePool of enzymesCalcium-dependent activationCytoplasmic faceGolgi membranesENOS constructMembrane versionFusion proteinCytoplasmic aspectFunctional rolePhosphorylationENOS activationHeterogeneous localizationMembraneCalcium fluxCalcium-dependent mechanismSynthaseActivationEndothelial nitric oxide synthaseFurther activationComplexesNitricoxide synthase
2003
Mesenteric vasoconstriction triggers nitric oxide overproduction in the superior mesenteric artery of portal hypertensive rats
Tsai MH, Iwakiri Y, Cadelina G, Sessa WC, Groszmann RJ. Mesenteric vasoconstriction triggers nitric oxide overproduction in the superior mesenteric artery of portal hypertensive rats. Gastroenterology 2003, 125: 1452-1461. PMID: 14598261, DOI: 10.1016/j.gastro.2003.07.014.Peer-Reviewed Original ResearchConceptsPartial portal vein ligationSuperior mesenteric arterySMA vascular resistancePortal hypertensive ratsRAL ratsMesenteric vasoconstrictionPortal pressureVascular resistanceArterial pressureHypertensive ratsMesenteric arteryNitric oxide synthase activityNitric oxide synthase enzyme activitySMA blood flowMean arterial pressurePerfusion pressure changesPortal vein ligationENOS protein expressionSham-operated ratsOxide synthase activityMonomethyl-L-arginineNitric oxide overproductionEffects of vasoconstrictionRenal artery ligationENOS catalytic activitySelective inhibition of tumor microvascular permeability by cavtratin blocks tumor progression in mice
Gratton J, Lin MI, Yu J, Weiss ED, Jiang ZL, Fairchild TA, Iwakiri Y, Groszmann R, Claffey KP, Cheng Y, Sessa WC. Selective inhibition of tumor microvascular permeability by cavtratin blocks tumor progression in mice. Cancer Cell 2003, 4: 31-39. PMID: 12892711, DOI: 10.1016/s1535-6108(03)00168-5.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCapillary PermeabilityCarcinoma, HepatocellularCarcinoma, Lewis LungCaveolin 1CaveolinsDisease ProgressionEndothelium, VascularEnzyme InhibitorsLiver Neoplasms, ExperimentalLung NeoplasmsMaleMiceMice, Inbred C57BLMice, KnockoutMice, NudeNeovascularization, PhysiologicNitric Oxide SynthaseNitric Oxide Synthase Type IINitric Oxide Synthase Type IIIPeptide FragmentsVascular Endothelial Growth Factor AConceptsEndothelial nitric oxide synthaseTumor progressionAntitumor actionDelays tumor progressionENOS knockout miceNitric oxide synthaseTumor blood vesselsTumor microvascular permeabilityOxide synthaseMicrovascular permeabilityKnockout miceAntiangiogenic effectsTumor vasculatureCell-permeable peptideMicrovascular hyperpermeabilityNovel targetNormal vasculatureHyperpermeabilityBlood vesselsCavtratinAntitumor therapyProgressionMiceSelective inhibitionVasculature
2002
Mice with targeted deletion of eNOS develop hyperdynamic circulation associated with portal hypertension
Iwakiri Y, Cadelina G, Sessa WC, Groszmann RJ. Mice with targeted deletion of eNOS develop hyperdynamic circulation associated with portal hypertension. AJP Gastrointestinal And Liver Physiology 2002, 283: g1074-g1081. PMID: 12381520, DOI: 10.1152/ajpgi.00145.2002.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBlood CirculationEnzyme InhibitorsHemodynamicsHypertension, PortalMiceMice, KnockoutNitric Oxide SynthaseNitric Oxide Synthase Type IINitric Oxide Synthase Type IIINitroarginineConceptsPartial portal vein ligationEndothelial NO synthaseHyperdynamic circulatory statePortal hypertensive animalsHyperdynamic circulationPortal hypertensionCirculatory stateHypertensive animalsInducible NOSNitric oxideLevels of vasodilatorsPortal vein ligationSham-operated groupSham-operated animalsSystemic vasodilationSplanchnic circulationPeripheral resistanceVein ligationSham animalsNO synthaseKnockout miceGene deletionINOS geneHemodynamic characteristicsMicePhosphorylation of eNOS initiates excessive NO production in early phases of portal hypertension
Iwakiri Y, Tsai MH, McCabe TJ, Gratton JP, Fulton D, Groszmann RJ, Sessa WC. Phosphorylation of eNOS initiates excessive NO production in early phases of portal hypertension. AJP Heart And Circulatory Physiology 2002, 282: h2084-h2090. PMID: 12003815, DOI: 10.1152/ajpheart.00675.2001.Peer-Reviewed Original ResearchMeSH KeywordsAdrenergic alpha-1 Receptor AgonistsAndrostadienesAnimalsEnzyme InhibitorsHypertension, PortalLigationMaleMesenteric Artery, SuperiorMethoxamineNitric OxideNitric Oxide SynthaseNitric Oxide Synthase Type IIIOmega-N-MethylargininePhosphorylationPortal VeinProtein Serine-Threonine KinasesProto-Oncogene ProteinsProto-Oncogene Proteins c-aktRatsRats, Sprague-DawleyVasoconstrictor AgentsWortmanninConceptsEndothelial nitric oxide synthasePortal vein ligationPhosphorylation of eNOSMesenteric arterial bedPortal hypertensionPVL groupArterial bedNO productionMale Sprague-Dawley ratsEarly portal hypertensionMonomethyl-L-arginineNitric oxide synthaseSprague-Dawley ratsExcessive NO productionG protein-coupled receptorsVivo perfusion studiesPVL ratsProtein-coupled receptorsPerfusion pressureSham groupVein ligationENOS expressionOxide synthaseReduced responsivenessKinase/Akt pathway