2024
Intestinal Nogo-B reduces GLP1 levels by binding to proglucagon on the endoplasmic reticulum to inhibit PCSK1 cleavage
Gong K, Xue C, Feng Z, Pan R, Wang M, Chen S, Chen Y, Guan Y, Dai L, Zhang S, Jiang L, Li L, Wang B, Yin Z, Ma L, Iwakiri Y, Tang J, Liao C, Chen H, Duan Y. Intestinal Nogo-B reduces GLP1 levels by binding to proglucagon on the endoplasmic reticulum to inhibit PCSK1 cleavage. Nature Communications 2024, 15: 6845. PMID: 39122737, PMCID: PMC11315690, DOI: 10.1038/s41467-024-51352-3.Peer-Reviewed Original ResearchConceptsEnteroendocrine cellsEndoplasmic reticulum (ER)-resident proteinGlucagon-like peptide 1Nogo-BEndoplasmic reticulumStimulate insulin secretionPotential therapeutic targetProglucagonGlucagon-like peptide 1 receptorInhibit glucagon secretionRegulatory processesIntestinal tractProglucagon fragmentInsulin secretionCleavageNogo-B knockoutTherapeutic targetPancreatic cellsPeptide 1Glucagon secretionCellsReticulonGolgiReticulon 4BInsulin resistance
2015
Nonalcoholic fatty liver disease induced by noncanonical Wnt and its rescue by Wnt3a
Wang S, Song K, Srivastava R, Dong C, Go G, Li N, Iwakiri Y, Mani A. Nonalcoholic fatty liver disease induced by noncanonical Wnt and its rescue by Wnt3a. The FASEB Journal 2015, 29: 3436-3445. PMID: 25917329, PMCID: PMC4511193, DOI: 10.1096/fj.15-271171.Peer-Reviewed Original ResearchMeSH KeywordsActinsAnimalsCell Line, TumorCell TransdifferentiationFatty LiverHep G2 CellsHepatocytesHumansLiverLow Density Lipoprotein Receptor-Related Protein-6MiceMice, Inbred C57BLNon-alcoholic Fatty Liver DiseaseProtein BindingProtein Kinase CProtein Kinase C-alphaRho-Associated KinasesSignal TransductionTransforming Growth Factor beta1VimentinWnt Signaling PathwayWnt3A ProteinConceptsNonalcoholic fatty liver diseaseFatty liver diseaseNonalcoholic steatohepatitisLiver diseaseLDL receptor-related protein 6NASH-related liver diseaseMetabolic risk factorsChronic liver diseaseEarly-onset atherosclerosisImportant potential therapeutic targetTGF-β1 activityPotential therapeutic targetDisease pathwaysRas homolog family member ASmooth muscle αFamily member ARisk factorsDisease progressionCommon causeLRP6 knockdownTherapeutic targetWnt3a administrationHepatocyte transdifferentiationDiseaseMuscle α
2013
The lymphatic vascular system in liver diseases: its role in ascites formation
Chung C, Iwakiri Y. The lymphatic vascular system in liver diseases: its role in ascites formation. Clinical And Molecular Hepatology 2013, 19: 99-104. PMID: 23837133, PMCID: PMC3701854, DOI: 10.3350/cmh.2013.19.2.99.BooksConceptsLiver fibrosis/cirrhosisFibrosis/cirrhosisLiver diseasePortal hypertensionAscites formationVascular systemLymphatic vascular systemNormal vascular functionPotential therapeutic targetVascular functionLiver tumorsTherapeutic targetDiseaseLymphatic systemTumor metastasisCirrhosisHypertensionLymphatic vesselsCirculatory systemPathogenesisLymphangiogenesisMetastasisTumorsLiverRole
2011
Reticulon 4B (Nogo‐B) is a novel regulator of hepatic fibrosis
Zhang D, Utsumi T, Huang H, Gao L, Sangwung P, Chung C, Shibao K, Okamoto K, Yamaguchi K, Groszmann RJ, Jozsef L, Hao Z, Sessa WC, Iwakiri Y. Reticulon 4B (Nogo‐B) is a novel regulator of hepatic fibrosis. Hepatology 2011, 53: 1306-1315. PMID: 21480333, PMCID: PMC3667398, DOI: 10.1002/hep.24200.Peer-Reviewed Original ResearchConceptsBile duct ligationLiver fibrosisPortal pressureKO micePortal hypertensionReticulon 4BWT mice 4 weeksMice 4 weeksFibrosis/cirrhosisSham-operated controlsB knockout miceHepatic stellate cellsPotential therapeutic targetHuman liver sectionsAbsence of NogoGrowth factor β stimulationMechanism of NogoTGFβ/SMAD2WT miceVascular injuryHepatic fibrosisSham operationCirrhotic liverDuct ligationStellate cells