2020
IL-17A/F enable cholangiocytes to restrict T cell-driven experimental cholangitis by upregulating PD-L1 expression
Stein S, Henze L, Poch T, Carambia A, Krech T, Preti M, Schuran FA, Reich M, Keitel V, Fiorotto R, Strazzabosco M, Fischer L, Li J, Müller LM, Wagner J, Gagliani N, Herkel J, Schwinge D, Schramm C. IL-17A/F enable cholangiocytes to restrict T cell-driven experimental cholangitis by upregulating PD-L1 expression. Journal Of Hepatology 2020, 74: 919-930. PMID: 33197512, PMCID: PMC8778963, DOI: 10.1016/j.jhep.2020.10.035.Peer-Reviewed Original ResearchConceptsIL-17A/FIL-17PD-L1T cellsOT-1Mouse modelAutoimmune cholestatic liver diseaseCell death ligand 1Cholangiocyte organoidsMajor histocompatibility complex IBile duct inflammationAntigen-specific CD8Bile duct injuryPD-L1 expressionDeath ligand 1Driver of inflammationTreatment of cholangitisCholestatic liver diseaseResponse of miceImportant protective effectDuct inflammationExperimental cholangitisDuct injuryAdoptive transferCytotoxic CD8
2018
Animal models of cholestasis: An update on inflammatory cholangiopathies
Mariotti V, Cadamuro M, Spirli C, Fiorotto R, Strazzabosco M, Fabris L. Animal models of cholestasis: An update on inflammatory cholangiopathies. Biochimica Et Biophysica Acta (BBA) - Molecular Basis Of Disease 2018, 1865: 954-964. PMID: 30398152, DOI: 10.1016/j.bbadis.2018.07.025.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsAnimal modelsPro-fibrotic signalsChronic liver diseasePrimary biliary cholangitisBile duct ligationFrequent clinical conditionBiliary injuryBiliary cholangitisBiliary obstructionLiver diseaseBiliary epitheliumDuct ligationInflammatory cholangiopathyAdaptive immunityClinical conditionsControversial diseasePathogenetic sequenceCholangiopathyCholestasisExperimental modelCholangitisDiseasePrimary targetChemical inductionCell elements
2015
Stimulation of nuclear receptor peroxisome proliferator–activated receptor‐γ limits NF‐κB‐dependent inflammation in mouse cystic fibrosis biliary epithelium
Scirpo R, Fiorotto R, Villani A, Amenduni M, Spirli C, Strazzabosco M. Stimulation of nuclear receptor peroxisome proliferator–activated receptor‐γ limits NF‐κB‐dependent inflammation in mouse cystic fibrosis biliary epithelium. Hepatology 2015, 62: 1551-1562. PMID: 26199136, PMCID: PMC4618241, DOI: 10.1002/hep.28000.Peer-Reviewed Original ResearchConceptsCystic fibrosis-associated liver diseaseNF-κB-dependent inflammationCFTR knockout miceLiver diseaseToll-like receptor-4/nuclear factor kappaB-cells inhibitor alphaCystic fibrosis transmembrane conductance regulator knockout miceKappa light polypeptide gene enhancerPeroxisome proliferator-activated receptorStimulation of PPARDextran sodium sulfateAnti-inflammatory effectsChronic inflammatory stateLight polypeptide gene enhancerNuclear receptorsNuclear factor kappaProliferator-activated receptorDependent immune mechanismQuality of lifeActivated B cellsCystic fibrosis patientsChronic cholangiopathiesInflammatory stateProinflammatory cytokinesPortal endotoxemia
2011
Loss of CFTR Affects Biliary Epithelium Innate Immunity and Causes TLR4–NF-κB—Mediated Inflammatory Response in Mice
Fiorotto R, Scirpo R, Trauner M, Fabris L, Hoque R, Spirli C, Strazzabosco M. Loss of CFTR Affects Biliary Epithelium Innate Immunity and Causes TLR4–NF-κB—Mediated Inflammatory Response in Mice. Gastroenterology 2011, 141: 1498-1508.e5. PMID: 21712022, PMCID: PMC3186841, DOI: 10.1053/j.gastro.2011.06.052.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnti-Bacterial AgentsBile DuctsCholagogues and CholereticsCholangitisColitisCytokinesDextran SulfateDisease Models, AnimalEpithelial CellsHEK293 CellsHumansImmunity, InnateInflammation MediatorsKeratin-19Leukocyte Common AntigensLipopolysaccharidesMiceMice, Inbred C57BLMice, Inbred CFTRMice, KnockoutNeomycinNF-kappa BPhosphorylationPolymyxin BSrc-Family KinasesTime FactorsToll-Like Receptor 4TransfectionUrsodeoxycholic AcidConceptsCFTR KO miceBiliary epitheliumCystic fibrosisPortal inflammationBiliary damageInflammatory responseInnate immunityGut-derived bacterial productsTLR4 inhibitor TAK-242Toll-like receptor 4Cystic fibrosis transmembrane conductance regulatorInhibitor TAK-242Wild-type littermatesActivation of NFNuclear factor κBOral neomycinTLR4-NFTAK-242Liver damagePathogenetic roleBile flowDuctular reactionReceptor 4Cytokine secretionUrsodeoxycholic acid