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您的检索式：作者名="Amanda Ricciuto"
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| 1 | Gut microbiome in primary sclerosing cholangitis:A review显示文摘Primary sclerosing cholangitis(PSC)is a chronic cholestatic liver disease characterized by biliary inflammation and stricturing.Exploration of the pathogenesis of PSC in light of its association with inflammatory bowel disease(IBD)and the“gut-liver”axis is an emerging area of interest.A growing number of studies have begun to elucidate the role of the gut microbiota,its metabolites and its influence on host immune responses in the development of PSC and PSCIBD.Studies of the fecal microbiota have highlighted enriched levels of certain species,including Veillonella,Streptococcus and Enterococcus,among others.A heightened immune response to enteric dysbiosis and bacterial translocation have also been implicated.For example,Klebsiella pneumoniae strains derived from gnotobiotic mice transplanted with PSC-IBD microbiota were found to induce pore formation in human intestinal epithelial cells and enhanced Th17 responses.Gut microbes have additionally been hypothesized to be implicated in PSC pathogenesis through their role in the synthesis of various metabolites,including bile acids(BAs),which function as signaling molecules with important gut and hepatic effects.An expanded knowledge of the gut microbiome as it relates to PSC offers critical insight into the development of microbe-altering therapeutic interventions,such as antibiotics,nutritional interventions and fecal microbial transplantation.Some of these have already shown some preliminary evidence of benefit.Despite exciting progress in the field,much work remains to be done;areas that are particularly lacking include functional characterization of the microbiome and examination of pediatric populations.In this review,we summarize studies that have investigated the microbiome in PSC and PSC-IBD as well as putative mechanisms,including the potential role of metabolites,such as BAs.We then briefly review the evidence for interventions with microbe-altering properties for treating PSC. | Rebecca Little Eytan Wine Binita M Kamath Anne M Griffiths Amanda Ricciuto | 2020 | World Journal of Gastroenterology2020，26，21： | 5 |
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