2018
Platelet-derived growth factor-D enables liver myofibroblasts to promote tumor lymphangiogenesis in cholangiocarcinoma
Cadamuro M, Brivio S, Mertens J, Vismara M, Moncsek A, Milani C, Fingas C, Cristina Malerba M, Nardo G, Dall'Olmo L, Milani E, Mariotti V, Stecca T, Massani M, Spirli C, Fiorotto R, Indraccolo S, Strazzabosco M, Fabris L. Platelet-derived growth factor-D enables liver myofibroblasts to promote tumor lymphangiogenesis in cholangiocarcinoma. Journal Of Hepatology 2018, 70: 700-709. PMID: 30553841, PMCID: PMC10878126, DOI: 10.1016/j.jhep.2018.12.004.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBile Duct NeoplasmsCancer-Associated FibroblastsCell Line, TumorCholangiocarcinomaDisease Models, AnimalEndothelial CellsHeterograftsHumansImatinib MesylateLiverLymphangiogenesisLymphokinesMaleMiceMice, SCIDMyofibroblastsPlatelet-Derived Growth FactorProtein Kinase InhibitorsRatsRats, Inbred F344Receptor, Platelet-Derived Growth Factor betaVascular Endothelial Growth Factor AVascular Endothelial Growth Factor CConceptsCancer-associated fibroblastsLymphatic endothelial cellsCholangiocarcinoma specimensMetastatic spreadStromal reactionLiver myofibroblastsGrowth factorExtensive stromal reactionLymph node metastasisEarly metastatic spreadLevels of VEGFBH3 mimetic navitoclaxPlatelet-derived growth factorRole of PDGFVascular growth factorsTumor-associated lymphangiogenesisVEGF-C secretionTransendothelial electric resistanceCholangiocarcinoma invasivenessHuman lymphatic endothelial cellsCurative therapyNode metastasisBiliary treeEarly metastasisPDGFRβ inhibitor
2017
Animal models of biliary injury and altered bile acid metabolism
Mariotti V, Strazzabosco M, Fabris L, Calvisi DF. Animal models of biliary injury and altered bile acid metabolism. Biochimica Et Biophysica Acta (BBA) - Molecular Basis Of Disease 2017, 1864: 1254-1261. PMID: 28709963, PMCID: PMC5764833, DOI: 10.1016/j.bbadis.2017.06.027.Peer-Reviewed Original ResearchConceptsBile acid metabolismBiliary injuryMouse modelAnimal modelsDistinct immune systemCholestatic liver injuryAcid metabolismJesus BanalesMarco MarzioniNicholas LaRussoPeter JansenBiliary repairLiver injuryDuctular reactionLiver repairObstructive cholestasisDisease progressionPeribiliary inflammationMain phenotypic featuresBiliary dysgenesisViral infectionImmune systemLiver homeostasisLiver phenotypeHuman setting
2013
Vascular biology of the biliary epithelium
Morell CM, Fabris L, Strazzabosco M. Vascular biology of the biliary epithelium. Journal Of Gastroenterology And Hepatology 2013, 28: 26-32. PMID: 23855292, PMCID: PMC3721432, DOI: 10.1111/jgh.12022.Peer-Reviewed Original ResearchMeSH KeywordsAngiopoietinsAnimalsAutocrine CommunicationBile Duct DiseasesBile Ducts, IntrahepaticEpithelial CellsEpitheliumHumansLiverLiver Diseases, AlcoholicLiver RegenerationNeovascularization, PathologicParacrine CommunicationPlatelet-Derived Growth FactorRatsSignal TransductionVascular Endothelial Growth Factor AConceptsBile ductIntrahepatic bile ductsHepatic arteryPeribiliary plexusUnderlying molecular mechanismsArterial supplyLiver repairNormal organ physiologyLiver pathophysiologyVascular cell typesPathophysiological settingsVascular structuresStrong associationVascular biologyDifferent vascular cell typesCholangiocytesAngiogenic signalsLiver developmentCell typesMolecular mechanismsOrgan physiologyDuctAssociationCross talk
2009
Diferentially expressed adenylyl cyclase isoforms mediate secretory functions in cholangiocyte subpopulation
Strazzabosco M, Fiorotto R, Melero S, Glaser S, Francis H, Spirli C, Alpini G. Diferentially expressed adenylyl cyclase isoforms mediate secretory functions in cholangiocyte subpopulation. Hepatology 2009, 50: 244-252. PMID: 19444869, PMCID: PMC2738985, DOI: 10.1002/hep.22926.Peer-Reviewed Original ResearchConceptsSoluble adenylyl cyclaseAdenylyl cyclasesGene expressionAC isoformsCyclic adenosine monophosphateAC gene expressionDifferent tissue specificitiesGroup of enzymesAdenylyl cyclase isoformsTissue specificityCholangiocyte secretionCyclase isoformsIsoformsSAC inhibitorIsohydric changesAdenylyl cyclaseIsoform expressionSACS geneReal-time polymerase chain reactionGenesAdenosine monophosphateAC8ExpressionCAMP levelsCAMP production
2001
Proinflammatory Cytokines Inhibit Secretion in Rat Bile Duct Epithelium
Spirlı̀ C, Nathanson M, Fiorotto R, Duner E, Denson L, Sanz J, Di Virgilio F, Okolicsanyi L, Casagrande F, Strazzabosco M. Proinflammatory Cytokines Inhibit Secretion in Rat Bile Duct Epithelium. Gastroenterology 2001, 121: 156-169. PMID: 11438505, DOI: 10.1053/gast.2001.25516.Peer-Reviewed Original ResearchConceptsProinflammatory cytokinesFluorescein-labeled dextranIL-1Interferon gammaCAMP-dependent fluid secretionCystic fibrosis transmembrane conductance regulatorBile duct epitheliumRat bile duct epitheliaTumor necrosis factorCyclic adenosine monophosphate levelsSecretin receptorAdenosine monophosphate levelsBile duct unitsDuctular cholestasisPortal inflammationCholestatic disordersIL-6Inflammatory cytokinesTNF-alphaBiliary epitheliumNecrosis factorCellular cyclic adenosine monophosphate (cAMP) levelsDuct epitheliumPurinergic agonistsSR expression
1998
Functional polarity of Na+/H+and Cl−/ HCO 3 − exchangers in a rat cholangiocyte cell line
Spirlì C, Granato A, Zsembery A, Anglani F, Okolicsànyi L, LaRusso N, Crepaldi G, Strazzabosco M. Functional polarity of Na+/H+and Cl−/ HCO 3 − exchangers in a rat cholangiocyte cell line. American Journal Of Physiology 1998, 275: g1236-g1245. PMID: 9843758, DOI: 10.1152/ajpgi.1998.275.6.g1236.Peer-Reviewed Original ResearchConceptsRat cholangiocyte cell lineCholangiocyte cell lineHOE 642Intrahepatic bile duct cellsCell linesNHE isoformsBile duct cellsAcid-base transportersPHi recoveryApical administrationBasolateral amilorideSeparate perfusionFirst functional descriptionAcid loadBasolateral aspectNHE3 gene expressionDuct cellsGene expressionRT-PCRApical amilorideElectrolyte transportAE2 mRNAAmilorideHCO-3IsoformsPurinergic regulation of acid/base transport in human and rat biliary epithelial cell lines
Zsembery Á, Spirlì C, Granato A, LaRusso N, Okolicsanyi L, Crepaldi G, Strazzabosco M. Purinergic regulation of acid/base transport in human and rat biliary epithelial cell lines. Hepatology 1998, 28: 914-920. PMID: 9755225, DOI: 10.1002/hep.510280403.Peer-Reviewed Original ResearchConceptsCholangiocyte cell lineNHE activityPurinergic agonistsBiliary epithelial cell lineExtracellular ATPCell linesIntracellular cyclic adenosine monophosphate (cAMP) concentrationsBiliary HCO3- secretionRat cholangiocyte cell lineCyclic adenosine monophosphate concentrationsAdenosine receptor agonistsBiliary epithelial cellsMz-ChA-1 cellsAdenosine monophosphate concentrationsSynergistic stimulatory effectApical administrationEpithelial cell lineReceptor agonistP2Y2 receptorPurinergic receptorsBile volumePharmacological profileApical Cl- channelsBasolateral administrationHCO3- secretion
1994
Regulation of activity and apical targeting of the Cl-/HCO3- exchanger in rat hepatocytes.
Benedetti A, Strazzabosco M, Ng O, Boyer J. Regulation of activity and apical targeting of the Cl-/HCO3- exchanger in rat hepatocytes. Proceedings Of The National Academy Of Sciences Of The United States Of America 1994, 91: 792-796. PMID: 8290601, PMCID: PMC43035, DOI: 10.1073/pnas.91.2.792.Peer-Reviewed Original ResearchConceptsApical targetingExchange activityRegulation of activityMembrane localizationCl-/HCO3Dibutyryl cAMPProtein kinase C agonistsRat hepatocytesProtein kinase C agonist phorbolEcto-ATPaseConfocal microscopyCanalicular domainC agonistsProteinVesiclesTargetingCanalicular localizationLocalizationCAMPHepatocyte coupletsHepatocytesActivityRegulationPhorbolColchicine
1993
Intracellular alkalinization stimulates bile flow and vesicular-mediated exocytosis in IPRL
Bruck R, Benedetti A, Strazzabosco M, Boyer J. Intracellular alkalinization stimulates bile flow and vesicular-mediated exocytosis in IPRL. American Journal Of Physiology 1993, 265: g347-g353. PMID: 8368316, DOI: 10.1152/ajpgi.1993.265.2.g347.Peer-Reviewed Original ResearchMeSH Keywords4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic Acid4,4'-Diisothiocyanostilbene-2,2'-Disulfonic AcidAlkaliesAnimalsAnionsBariumBicarbonatesBileBiological TransportColchicineExocytosisHorseradish PeroxidaseHydrogen-Ion ConcentrationIn Vitro TechniquesIntracellular MembranesLiverMalePotassium ChannelsRatsRats, Sprague-DawleyConceptsBiliary HCO3- excretionBile flowHCO3- excretionIntracellular alkalinizationHCO3- exchangerAcute alkaline loadVesicle-mediated exocytosisBiliary excretionTransient increasePH recoveryAlkaline loadMembrane depolarizationRat liverChannel blocker BaCl2Intact liverLiverAlkalinizationMM NH4ClHCO3- concentrationDisulfonic acidDIDSRat hepatocytesColchicinePretreatmentExocytosis
1991
Cl(-)-HCO3- exchanger in isolated rat hepatocytes: role in regulation of intracellular pH
Benedetti A, Strazzabosco M, Corasanti J, Haddad P, Graf J, Boyer J. Cl(-)-HCO3- exchanger in isolated rat hepatocytes: role in regulation of intracellular pH. American Journal Of Physiology 1991, 261: g512-g522. PMID: 1887897, DOI: 10.1152/ajpgi.1991.261.3.g512.Peer-Reviewed Original ResearchMeSH Keywords4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic Acid4,4'-Diisothiocyanostilbene-2,2'-Disulfonic AcidAmmoniaAnimalsBariumBicarbonatesCarrier ProteinsCells, CulturedChloride-Bicarbonate AntiportersChloridesHydrogen-Ion ConcentrationIntracellular FluidKineticsLiverMaleRatsRats, Inbred StrainsConceptsAlkaline loadPH-sensitive dye BCECFMM H2DIDSPHi recoveryRegulation of intracellularRat hepatocyte monolayersAcid extrudersMM DIDSRat hepatocytesElectrophysiological techniquesDye BCECFHCO3- exchangerIsolated rat hepatocytesConstant pHoIntracellularMembrane potentialHepatocyte monolayersHepatocytesAcid loadingEffect of Silibinin on biliary lipid composition experimental and clinical study
Nassuato G, Iemmolo R, Strazzabosco M, Lirussi F, Deana R, Francesconi M, Muraca M, Passera D, Fragasso A, Orlando R, Csomós G, Okolicsányi L. Effect of Silibinin on biliary lipid composition experimental and clinical study. Journal Of Hepatology 1991, 12: 290-295. PMID: 1940257, DOI: 10.1016/0168-8278(91)90829-z.Peer-Reviewed Original ResearchConceptsBiliary lipid compositionBiliary cholesterol concentrationTotal bile salt concentrationBile salt concentrationBile flowBiliary cholesterolCholesterol concentrationsBody weightTotal liver cholesterol contentBile saturation indexSignificant dose-dependent inhibitionEffect of silymarinLiver cholesterol contentEffect of silibininDose-dependent inhibitionCoA reductase activitySilymarin treatmentLiver cholesterolPlacebo administrationCholecystectomized patientsControl ratsClinical studiesLipid compositionSilibinin doseSilibininEffect of UDCA on intracellular and biliary pH in isolated rat hepatocyte couplets and perfused livers
Strazzabosco M, Sakisaka S, Hayakawa T, Boyer J. Effect of UDCA on intracellular and biliary pH in isolated rat hepatocyte couplets and perfused livers. American Journal Of Physiology 1991, 260: g58-g69. PMID: 1987808, DOI: 10.1152/ajpgi.1991.260.1.g58.Peer-Reviewed Original ResearchConceptsBiliary HCO3- concentrationUrsodeoxycholic acidRat hepatocyte coupletsBiliary pHAcid loadEffect of UDCABile duct lumenHepatocyte coupletsIsolated rat hepatocyte coupletsBiliary epitheliumHCO3- concentrationDuct lumenRemoval of ClHCO3- exchangeRat liverLiverIPRLHepatocytesHypercholeresisPerfusateBileExcretionEpitheliumAmiloride
1989
Quantitative assessment of canalicular bile formation in isolated hepatocyte couplets using microscopic optical planimetry.
Gautam A, Ng O, Strazzabosco M, Boyer J. Quantitative assessment of canalicular bile formation in isolated hepatocyte couplets using microscopic optical planimetry. Journal Of Clinical Investigation 1989, 83: 565-573. PMID: 2913052, PMCID: PMC303716, DOI: 10.1172/jci113919.Peer-Reviewed Original Research
1986
The Effect of Drugs on Bile Flow and Composition
Okolicsanyi L, Lirussi F, Strazzabosco M, Jemmolo R, Orlando R, Nassuato G, Muraca M, Crepaldi G. The Effect of Drugs on Bile Flow and Composition. Drugs 1986, 31: 430-448. PMID: 2872047, DOI: 10.2165/00003495-198631050-00003.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBileBile Acids and SaltsCatsChlorpromazineCholagogues and CholereticsCholesterolClofibrateColchicineCricetinaeDehydrocholic AcidDiureticsDogsEnterohepatic CirculationEstrogensGlucagonGuinea PigsHumansInsulinLiverMacaca mulattaPhospholipidsRabbitsRatsRifampinRifamycinsSomatostatinTheophyllineUrsodeoxycholic AcidConceptsBile flowBile acidsBile acid sequestrant cholestyramineBiliary bile acid secretionBiliary cholesterol concentrationBiliary cholesterol saturationBiliary cholesterol secretionBile acid concentrationsBile acid secretionBiliary phospholipid concentrationDrug-induced changesComposition of bileUnconjugated bile acidsEffects of drugsVariety of drugsCholesterol secretionHepatic secretionDrug therapyCholesterol saturationUrsodeoxycholic acidBiliary lipidsAcid secretionCholesterol concentrationsD-thyroxineHepatobiliary route
1983
Effect of silybin on biliary lipid composition in rats
Nassuato G, Iemmolo R, Lirussi F, Orlando R, Giacon L, Venuti M, Strazzabosco M, Csomos G, Okolicsanyi L. Effect of silybin on biliary lipid composition in rats. Pharmacological Research Communications 1983, 15: 337-346. PMID: 6867072, DOI: 10.1016/s0031-6989(83)80043-5.Peer-Reviewed Original Research