Featured Publications
The Sympathetic Nervous System Promotes Hepatic Lymphangiogenesis, which Is Protective Against Liver Fibrosis
Tanaka M, Jeong J, Thomas C, Zhang X, Zhang P, Saruwatari J, Kondo R, McConnell M, Utsumi T, Iwakiri Y. The Sympathetic Nervous System Promotes Hepatic Lymphangiogenesis, which Is Protective Against Liver Fibrosis. American Journal Of Pathology 2023, 193: 2182-2202. PMID: 37673329, PMCID: PMC10699132, DOI: 10.1016/j.ajpath.2023.08.004.Peer-Reviewed Original ResearchConceptsPartial portal vein ligationNoncirrhotic portal hypertensionCirrhotic patientsVascular endothelial growth factorLiver fibrosisEndothelial growth factorPortal hypertensionSympathetic denervationSympathetic nervesBDL ratsVascular diseaseIdiopathic noncirrhotic portal hypertensionGrowth factorPortal hypertensive patientsPortal vein ligationSympathetic nervous systemMechanisms of lymphangiogenesisCeliac ganglionectomyHypertensive patientsLymphatic vessel numberLiver biopsyLiver cirrhosisVein ligationPPVL ratsHepatic lymphatic vesselsSingle-Cell Transcriptomics Reveals Zone-Specific Alterations of Liver Sinusoidal Endothelial Cells in Cirrhosis
Su T, Yang Y, Lai S, Jeong J, Jung Y, McConnell M, Utsumi T, Iwakiri Y. Single-Cell Transcriptomics Reveals Zone-Specific Alterations of Liver Sinusoidal Endothelial Cells in Cirrhosis. Cellular And Molecular Gastroenterology And Hepatology 2020, 11: 1139-1161. PMID: 33340713, PMCID: PMC7903131, DOI: 10.1016/j.jcmgh.2020.12.007.Peer-Reviewed Original ResearchConceptsLiver sinusoidal endothelial cellsCirrhotic miceSinusoidal endothelial cellsLiver cirrhosisEndothelial cellsIntrahepatic vascular resistanceCarbon tetrachloride inhalationNovel therapeutic strategiesNitric oxide productionCirrhotic mouse liverEC populationsVascular resistanceClinical complicationsLiver fibrosisTherapeutic strategiesCirrhosisOxide productionEndocytic receptorMiceAbstractTextZone 3Extracellular matrix genesVascular ECsLymphatic ECsMouse liverEnhanced 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
2020
Pathophysiology of Portal Hypertension
Iwakiri Y, Groszmann R. Pathophysiology of Portal Hypertension. 2020, 659-669. DOI: 10.1002/9781119436812.ch51.Peer-Reviewed Original ResearchPortal hypertensionGastroesophageal variceal hemorrhageHyperdynamic circulatory syndromeIntrahepatic portal hypertensionNew blood vessel formationPre-existing vascular bedExtrahepatic circulationVariceal hemorrhageCirculatory syndromeLiver cirrhosisLethal complicationVascular toneVascular bedHypertensionFrequent causeCell-specific modulationPlatelet activationBlood vessel formationOrgans/tissuesVasoconstrictor moleculesCirrhosisTherapeutic purposesVessel formationPathophysiologySubsequent development
2019
O-GlcNAc transferase suppresses necroptosis and liver fibrosis
Zhang B, Li MD, Yin R, Liu Y, Yang Y, Mitchell-Richards KA, Nam JH, Li R, Wang L, Iwakiri Y, Chung D, Robert ME, Ehrlich BE, Bennett AM, Yu J, Nathanson MH, Yang X. O-GlcNAc transferase suppresses necroptosis and liver fibrosis. JCI Insight 2019, 4: e127709. PMID: 31672932, PMCID: PMC6948774, DOI: 10.1172/jci.insight.127709.Peer-Reviewed Original ResearchConceptsReceptor-interacting protein kinase 3Liver fibrosisLiver diseaseHepatocyte necroptosisEthanol-induced liver injuryAlcoholic liver cirrhosisChronic liver diseaseMultiple liver diseasesWeeks of ageProtein expression levelsPortal inflammationLiver cirrhosisLiver injuryBallooning degenerationElevated protein expression levelsSpontaneous genetic modelFibrosisKey suppressorKey mediatorMiceProtein kinase 3CirrhosisExpression levelsGlcNAc levelsMixed lineage kinase
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
2010
The Systemic and Splanchnic Circulations
Iwakiri Y. The Systemic and Splanchnic Circulations. Clinical Gastroenterology 2010, 305-321. DOI: 10.1007/978-1-60761-866-9_15.Peer-Reviewed Original ResearchPortal hypertensionArterial vasodilatationSplanchnic circulationSystemic circulationNitric oxideInitiation of vasodilatationSystemic hemodynamic abnormalitiesDevelopment of complicationsSplanchnic blood flowProgressive vasodilatationHemodynamic abnormalitiesIntestinal microcirculationLiver cirrhosisLiver diseaseVasodilator moleculeHypertensionVasodilatationBlood flowCirrhosisPatientsMolecular mechanismsKey eventsSensory mechanismsCirculationComplications
2007
Vascular endothelial dysfunction in cirrhosis
Iwakiri Y, Groszmann RJ. Vascular endothelial dysfunction in cirrhosis. Journal Of Hepatology 2007, 46: 927-934. PMID: 17391799, DOI: 10.1016/j.jhep.2007.02.006.BooksConceptsEndothelium-dependent relaxationEndothelial dysfunctionSinusoidal endothelial cellsPortal hypertensionVascular nitric oxide levelsVascular endothelial dysfunctionNitric oxide levelsSEC dysfunctionVascular resistanceEarly key eventSplanchnic circulationLiver cirrhosisVasodilator moleculeLiver microcirculationSystemic circulationOxide levelsCirrhosisDysfunctionEndothelial cellsHypertensionMultiple diseasesKey eventsArteryMicrocirculationDisease