Membrane Estrogen Receptor Engagement Activates Endothelial Nitric Oxide Synthase via the PI3-Kinase–Akt Pathway in Human Endothelial Cells
Haynes M, Sinha D, Russell K, Collinge M, Fulton D, Morales-Ruiz M, Sessa W, Bender J. Membrane Estrogen Receptor Engagement Activates Endothelial Nitric Oxide Synthase via the PI3-Kinase–Akt Pathway in Human Endothelial Cells. Circulation Research 2000, 87: 677-682. PMID: 11029403, DOI: 10.1161/01.res.87.8.677.Peer-Reviewed Original ResearchMeSH KeywordsAdenoviridaeBinding SitesCell MembraneCells, CulturedChromonesEndothelium, VascularEnzyme InhibitorsEstradiolGenes, DominantHumansMorpholinesNitric OxideNitric Oxide SynthaseNitric Oxide Synthase Type IIIPhosphatidylinositol 3-KinasesPhosphoinositide-3 Kinase InhibitorsPhosphorylationProtein Serine-Threonine KinasesProto-Oncogene ProteinsProto-Oncogene Proteins c-aktReceptors, EstrogenSerum Albumin, BovineSignal TransductionTransduction, GeneticConceptsPI3-kinaseKinase-Akt pathwayDominant-negative AktPI3-kinase inhibitorRapid eNOS phosphorylationRapid Akt phosphorylationActivation of eNOSAkt-dependent pathwayEndothelial nitric oxide synthaseAkt substratePhosphatidylinositol 3ENOS phosphorylationCritical residuesSerine 473Human endothelial cellsEstrogen receptor antagonist ICI 182Cell membrane sitesHuman endothelial cell lineAkt pathwayAkt phosphorylationPhosphorylationReceptor engagementEndothelial cell lineActivation eventsFunctional involvementHuman vascular endothelial cells contain membrane binding sites for estradiol, which mediate rapid intracellular signaling
Russell K, Haynes M, Sinha D, Clerisme E, Bender J. Human vascular endothelial cells contain membrane binding sites for estradiol, which mediate rapid intracellular signaling. Proceedings Of The National Academy Of Sciences Of The United States Of America 2000, 97: 5930-5935. PMID: 10823945, PMCID: PMC18536, DOI: 10.1073/pnas.97.11.5930.Peer-Reviewed Original ResearchMeSH KeywordsAntibodies, MonoclonalCell LineCell Membrane PermeabilityCells, CulturedCyclic GMPEndothelium, VascularEstradiolFlow CytometryHumansMAP Kinase Signaling SystemMitogen-Activated Protein Kinase 1Mitogen-Activated Protein Kinase 3Mitogen-Activated Protein KinasesNitric OxideReceptors, EstrogenRecombinant Fusion ProteinsSerum Albumin, BovineSignal TransductionTime FactorsTransfectionConceptsHuman endothelial cellsEstrogen receptorEndothelial cellsMitogen-activated protein kinaseER antagonist ICIHuman vascular endothelial cellsMembrane estrogen receptorsMembrane-impermeant formVascular endothelial cellsRapid intracellularRapid nongenomic responsesAntagonist ICIVascular functionE2 treatmentAcute effectsERalpha antibodyCGMP productionCardiovascular systemNongenomic responsesCytometric analysisEstrogen inducesGuanylate cyclaseRapid effectsNO releaseEarly effects