2014
Pigment Epithelium-Derived Factor (PEDF) Suppresses IL-1β-Mediated c-Jun N-Terminal Kinase (JNK) Activation to Improve Hepatocyte Insulin Signaling
Gattu AK, Birkenfeld AL, Iwakiri Y, Jay S, Saltzman M, Doll J, Protiva P, Samuel VT, Crawford SE, Chung C. Pigment Epithelium-Derived Factor (PEDF) Suppresses IL-1β-Mediated c-Jun N-Terminal Kinase (JNK) Activation to Improve Hepatocyte Insulin Signaling. Endocrinology 2014, 155: 1373-1385. PMID: 24456163, PMCID: PMC5393334, DOI: 10.1210/en.2013-1785.Peer-Reviewed Original ResearchMeSH KeywordsAdipocytesAnimalsEye ProteinsGene Expression RegulationGlucose Tolerance TestHepatocytesHumansInflammationInsulinInsulin ResistanceInterleukin-1betaJNK Mitogen-Activated Protein KinasesLiverMaleMetabolic SyndromeMetabolomicsMiceMice, Inbred C57BLMice, KnockoutMicrospheresNerve Growth FactorsObesityPalmitic AcidPhenotypeRNA InterferenceSerpinsSignal TransductionSuccinic AcidConceptsPigment epithelium-derived factorKO miceMetabolic syndromeIL-1βC-Jun N-terminal kinase (JNK) activationElevated pigment epithelium-derived factorIL-1β challengeHuman hepatocytesIL-1β expressionHuman metabolic syndromeEpithelium-derived factorPEDF-knockout miceInflammatory markersGlucose intoleranceSerum levelsC-Jun N-terminal kinaseKinase activationAntiinflammatory proteinHepatic insulinKnockout micePigment epitheliumN-terminal kinaseMiceSyndromeMetabolic homeostasis
2013
Reticulon 4B (Nogo‐B) facilitates hepatocyte proliferation and liver regeneration in mice
Gao L, Utsumi T, Tashiro K, Liu B, Zhang D, Swenson ES, Iwakiri Y. Reticulon 4B (Nogo‐B) facilitates hepatocyte proliferation and liver regeneration in mice. Hepatology 2013, 57: 1992-2003. PMID: 23299899, PMCID: PMC3628958, DOI: 10.1002/hep.26235.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell ProliferationEpidermal Growth FactorHepatectomyHepatocyte Growth FactorHepatocytesInterleukin-6LiverLiver RegenerationMaleMiceMice, Inbred C57BLMice, KnockoutModels, AnimalMyelin ProteinsNogo ProteinsSignal TransductionSTAT3 Transcription FactorTime FactorsTransforming Growth Factor betaConceptsHepatocyte growth factorRole of NogoInterleukin-6Hepatocyte proliferationLiver regenerationEpidermal growth factorReticulon 4BTGF-β1Growth factorKi67 labeling indexB knockout miceHepatic stellate cellsReal-time polymerase chain reactionQuantitative real-time polymerase chain reactionIL-6/signal transducerGrowth factor βTime-dependent mannerRemnant liverKO miceLiver fibrosisPolymerase chain reactionInhibitor of DNAStellate cellsKnockout miceLabeling indexAbsence of Nogo-B (Reticulon 4B) Facilitates Hepatic Stellate Cell Apoptosis and Diminishes Hepatic Fibrosis in Mice
Tashiro K, Satoh A, Utsumi T, Chung C, Iwakiri Y. Absence of Nogo-B (Reticulon 4B) Facilitates Hepatic Stellate Cell Apoptosis and Diminishes Hepatic Fibrosis in Mice. American Journal Of Pathology 2013, 182: 786-795. PMID: 23313137, PMCID: PMC3586693, DOI: 10.1016/j.ajpath.2012.11.032.Peer-Reviewed Original ResearchConceptsHepatic stellate cell apoptosisMF-HSCsStellate cell apoptosisHepatic fibrosisKO miceCell apoptosisHuman hepatic stellate cellsRole of NogoCarbon tetrachloride inhalationCaspase-3B knockout miceHepatic stellate cellsPotential therapeutic strategyApoptosis of HSCsWT miceFibrotic areasLiver fibrosisSelective blockadeExperimental cirrhosisLX2 cellsCirrhotic liverStellate cellsTherapeutic strategiesKnockout miceFibrosis
2003
Selective inhibition of tumor microvascular permeability by cavtratin blocks tumor progression in mice
Gratton J, Lin MI, Yu J, Weiss ED, Jiang ZL, Fairchild TA, Iwakiri Y, Groszmann R, Claffey KP, Cheng Y, Sessa WC. Selective inhibition of tumor microvascular permeability by cavtratin blocks tumor progression in mice. Cancer Cell 2003, 4: 31-39. PMID: 12892711, DOI: 10.1016/s1535-6108(03)00168-5.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCapillary PermeabilityCarcinoma, HepatocellularCarcinoma, Lewis LungCaveolin 1CaveolinsDisease ProgressionEndothelium, VascularEnzyme InhibitorsLiver Neoplasms, ExperimentalLung NeoplasmsMaleMiceMice, Inbred C57BLMice, KnockoutMice, NudeNeovascularization, PhysiologicNitric Oxide SynthaseNitric Oxide Synthase Type IINitric Oxide Synthase Type IIIPeptide FragmentsVascular Endothelial Growth Factor AConceptsEndothelial nitric oxide synthaseTumor progressionAntitumor actionDelays tumor progressionENOS knockout miceNitric oxide synthaseTumor blood vesselsTumor microvascular permeabilityOxide synthaseMicrovascular permeabilityKnockout miceAntiangiogenic effectsTumor vasculatureCell-permeable peptideMicrovascular hyperpermeabilityNovel targetNormal vasculatureHyperpermeabilityBlood vesselsCavtratinAntitumor therapyProgressionMiceSelective inhibitionVasculature
2002
Mice with targeted deletion of eNOS develop hyperdynamic circulation associated with portal hypertension
Iwakiri Y, Cadelina G, Sessa WC, Groszmann RJ. Mice with targeted deletion of eNOS develop hyperdynamic circulation associated with portal hypertension. AJP Gastrointestinal And Liver Physiology 2002, 283: g1074-g1081. PMID: 12381520, DOI: 10.1152/ajpgi.00145.2002.Peer-Reviewed Original ResearchConceptsPartial portal vein ligationEndothelial NO synthaseHyperdynamic circulatory statePortal hypertensive animalsHyperdynamic circulationPortal hypertensionCirculatory stateHypertensive animalsInducible NOSNitric oxideLevels of vasodilatorsPortal vein ligationSham-operated groupSham-operated animalsSystemic vasodilationSplanchnic circulationPeripheral resistanceVein ligationSham animalsNO synthaseKnockout miceGene deletionINOS geneHemodynamic characteristicsMice