Hsp90 regulation of endothelial nitric oxide synthase contributes to vascular control in portal hypertension
Shah V, Wiest R, Garcia-Cardena G, Cadelina G, Groszmann R, Sessa W. Hsp90 regulation of endothelial nitric oxide synthase contributes to vascular control in portal hypertension. American Journal Of Physiology 1999, 277: g463-g468. PMID: 10444461, DOI: 10.1152/ajpgi.1999.277.2.g463.Peer-Reviewed Original ResearchMeSH KeywordsAcetylcholineAnimalsBenzoquinonesBlood VesselsHSP90 Heat-Shock ProteinsHypertension, PortalIn Vitro TechniquesLactams, MacrocyclicMaleMethoxamineMicrocirculationNitric OxideNitric Oxide SynthaseNitric Oxide Synthase Type IIIQuinonesRatsRats, Sprague-DawleySplanchnic CirculationTissue DistributionVasoconstrictor AgentsVasodilationVasodilator AgentsConceptsEndothelial nitric oxide synthasePortal vein ligationNitric oxide synthasePortal hypertensionMesenteric vasculatureOxide synthaseNormal animalsACh-dependent vasodilationExperimental portal hypertensionExcessive NO productionNO-dependent responsesNOS catalytic activityDependent vasodilationVein ligationVascular controlMesenteric circulationPVL animalsMesenteric vesselsHeat shock protein 90Sodium nitroprussideNO productionEndothelial liningHypertensionShock protein 90MethoxamineNO overproduction by eNOS precedes hyperdynamic splanchnic circulation in portal hypertensive rats
Wiest R, Shah V, Sessa W, Groszmann R. NO overproduction by eNOS precedes hyperdynamic splanchnic circulation in portal hypertensive rats. American Journal Of Physiology 1999, 276: g1043-g1051. PMID: 10198349, DOI: 10.1152/ajpgi.1999.276.4.g1043.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBlood Flow VelocityBlood PressureEndothelium, VascularHypertension, PortalKineticsLuminescent MeasurementsMaleMesenteric Artery, SuperiorMethoxamineNitric OxideNitric Oxide SynthaseNitric Oxide Synthase Type IIINitroarginineRatsRats, Sprague-DawleySplanchnic CirculationStress, MechanicalConceptsHyperdynamic splanchnic circulationSuperior mesenteric arterySplanchnic circulationSham ratsNitric oxide synthase upregulationHyperdynamic circulatory syndromeNO metabolites concentrationPortal hypertensive ratsENOS protein levelsHigh blood flowSignificant hyporesponsivenessArterial vasodilatationL-NNAPortal hypertensionPVL ratsAgonist methoxamineCirculatory syndromeENOS upregulationHypertensive ratsMesenteric arteryNomega-nitroNO inhibitorBlood flowDay 3L-arginine