2014
Pathophysiology of Portal Hypertension
Iwakiri Y. Pathophysiology of Portal Hypertension. Clinics In Liver Disease 2014, 18: 281-291. PMID: 24679494, PMCID: PMC3971388, DOI: 10.1016/j.cld.2013.12.001.BooksConceptsPortal hypertensionBlood flowHyperdynamic circulatory syndromeIntrahepatic vascular resistancePortal blood flowVascular resistanceArterial vasodilationCirculatory syndromeEsophageal varicesLiver cirrhosisMajor complicationsLiver diseaseCollateral vesselsPortal circulationSystemic circulationHypertensionPathologic conditionsClinical researchCirrhosisVaricesVasodilationAscitesComplicationsPathophysiologySyndrome
2007
The 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
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
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 synthaseIncreased phosphodiesterase-5 expression is involved in the decreased vasodilator response to nitric oxide in cirrhotic rat livers
Loureiro-Silva MR, Iwakiri Y, Abraldes JG, Haq O, Groszmann RJ. Increased phosphodiesterase-5 expression is involved in the decreased vasodilator response to nitric oxide in cirrhotic rat livers. Journal Of Hepatology 2006, 44: 886-893. PMID: 16545481, DOI: 10.1016/j.jhep.2006.01.032.Peer-Reviewed Original ResearchMeSH Keywords3',5'-Cyclic-GMP PhosphodiesterasesAnimalsCyclic Nucleotide Phosphodiesterases, Type 5Enzyme InhibitorsLiver CirculationLiver CirrhosisMaleNitric OxideNitric Oxide SynthaseOmega-N-MethylargininePhosphodiesterase InhibitorsPhosphoric Diester HydrolasesPiperazinesPurinesRatsRats, Sprague-DawleySildenafil CitrateSulfonesVasodilationConceptsPDE-5 expressionPhosphodiesterase-5 expressionCirrhotic liverCirrhotic rat liverPresence of sildenafilNitric oxideVasodilator responseDeficient responseNormal liverAscitic cirrhotic ratsDecreased vascular responseDecreased vasodilator responseConcentration-response curvesRat liverCyclic guanosine 3Second messenger cyclic guanosine 3Vasodilator effectCirrhotic ratsVascular responsesBACKGROUND/Liver perfusionDecreased responseSpontaneous NO donorSildenafil citrateNO donorThe hyperdynamic circulation of chronic liver diseases: From the patient to the molecule
Iwakiri Y, Groszmann RJ. The hyperdynamic circulation of chronic liver diseases: From the patient to the molecule. Hepatology 2006, 43: s121-s131. PMID: 16447289, DOI: 10.1002/hep.20993.BooksMeSH KeywordsAdrenomedullinAnimalsBiological FactorsBlood PressureCannabinoid Receptor ModulatorsCarbon MonoxideChronic DiseaseDisease Models, AnimalEndothelium, VascularHumansHydrogen SulfideHypertension, PortalLiverLiver DiseasesNitric OxidePeptidesSplanchnic CirculationTumor Necrosis Factor-alphaVasodilationConceptsHyperdynamic circulatory syndromeChronic liver diseaseCirculatory syndromeLiver diseaseVasodilator moleculeClinical observationsExperimental modelComplex pathophysiological mechanismsHyperdynamic circulationProgressive vasodilatationPortal hypertensionPathophysiological mechanismsVascular abnormalitiesComplex syndromeMultiple organsPatientsNitric oxideSyndromeVasodilatationDiseaseDetrimental effectsHypertensionAbnormalitiesComplex mechanisms