2014
Hepatic dimethylarginine-dimethylaminohydrolase1 is reduced in cirrhosis and is a target for therapy in portal hypertension
Mookerjee RP, Mehta G, Balasubramaniyan V, Mohamed Fel Z, Davies N, Sharma V, Iwakiri Y, Jalan R. Hepatic dimethylarginine-dimethylaminohydrolase1 is reduced in cirrhosis and is a target for therapy in portal hypertension. Journal Of Hepatology 2014, 62: 325-331. PMID: 25152204, PMCID: PMC4530584, DOI: 10.1016/j.jhep.2014.08.024.Peer-Reviewed Original ResearchConceptsDDAH-1 expressionMean arterial pressurePortal hypertensionENOS activityDDAH-1Farnesoid X receptor (FXR) agonismFXR agonist obeticholic acidPortal pressure reductionAgonist obeticholic acidPortal pressure measurementsHealthy liver tissueArterial pressureENOS inhibitorHuman cirrhosisBDL ratsObeticholic acidSpecific molecular targetsPlasma ALTReceptor agonismSaline controlsCirrhosisCirrhosis ratsHypertensionOA treatmentTranslational studies
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 activity