Featured Publications
Enhanced Meningeal Lymphatic Drainage Ameliorates Neuroinflammation and Hepatic Encephalopathy in Cirrhotic Rats
Hsu SJ, Zhang C, Jeong J, Lee SI, McConnell M, Utsumi T, Iwakiri Y. Enhanced Meningeal Lymphatic Drainage Ameliorates Neuroinflammation and Hepatic Encephalopathy in Cirrhotic Rats. Gastroenterology 2020, 160: 1315-1329.e13. PMID: 33227282, PMCID: PMC7956141, DOI: 10.1053/j.gastro.2020.11.036.Peer-Reviewed Original ResearchConceptsMeningeal lymphatic drainageLymphatic drainageMicroglia activationMotor functionBile duct ligation modelTumor necrosis factor αSerious neurologic complicationsMeningeal lymphatic systemNecrosis factor αDuct ligation modelNew therapeutic strategiesBrain inflammationNeurologic complicationsHepatic encephalopathyLiver cirrhosisLymph nodesRotarod testMotor dysfunctionCirrhotic ratsInterleukin-1βLigation modelInterferon γProinflammatory genesCisterna magnaTherapeutic strategies
2006
Increased 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 donor
2003
A liver-specific nitric oxide donor improves the intra-hepatic vascular response to both portal blood flow increase and methoxamine in cirrhotic rats
Loureiro-Silva MR, Cadelina GW, Iwakiri Y, Groszmann RJ. A liver-specific nitric oxide donor improves the intra-hepatic vascular response to both portal blood flow increase and methoxamine in cirrhotic rats. Journal Of Hepatology 2003, 39: 940-946. PMID: 14642609, DOI: 10.1016/j.jhep.2003.09.018.Peer-Reviewed Original ResearchConceptsBlood flow increasesCirrhotic ratsPortal pressureUrsodeoxycholic acidLiver perfusionFlow/pressure curvesNO donorAscitic cirrhotic ratsBlood volume expansionBasal heart rateSitu liver perfusionNitric oxide productionNitric oxide donorDose/response curveBlood flow measurementsPortal hypertensionHemodynamic effectsArterial pressureFlow increasesVascular responsesControl ratsBlood infusionBACKGROUND/Heart rateOxide donor44 A liver-specific nitric oxide donor improves the intra-hepatic vascular response to increase portal blood flow and methoxamine in cirrhotic rats
Loureiro-Silva M, Cadelina G, Iwakiri Y, Groszmann R. 44 A liver-specific nitric oxide donor improves the intra-hepatic vascular response to increase portal blood flow and methoxamine in cirrhotic rats. Hepatology 2003, 38: 176. DOI: 10.1016/s0270-9139(03)80087-3.Peer-Reviewed Original Research