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Gut microbiota-associated bile acid deconjugation accelerates hepatic steatosis in ob/ob mice

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dc.contributor.authorPark, M. -Y.-
dc.contributor.authorKim, S. J.-
dc.contributor.authorKo, E. K.-
dc.contributor.authorAhn, S. -H.-
dc.contributor.authorSeo, H.-
dc.contributor.authorSung, M. -K.-
dc.date.available2021-02-22T11:24:32Z-
dc.date.issued2016-09-
dc.identifier.issn1364-5072-
dc.identifier.issn1365-2672-
dc.identifier.urihttps://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/9435-
dc.description.abstractAimNonalcoholic hepatic fat accumulation has been hypothesized to be associated with alterations in gut microbiota composition, although mechanistic explanations for this link are largely insufficient. The aim of this study was to elucidate the microbiota-driven mechanisms involved in the development of nonalcoholic hepatic steatosis. Methods and ResultsOb/ob mice and their wild-type lean control mice were fed an AIN-93G diet for 12weeks. Faecal microbiota composition, faecal bile acid (BA) profile and intestinal and hepatic markers of BA metabolism were analysed. Ob/ob mice had significantly less faecal taurine-conjugated BAs compared to their lean controls. The proportions of butyrate-producing bacteria were lower in ob/ob mice compared to those in lean mice. Intestinal expression of farnesoid X receptor (FXR) mRNA was significantly higher, whereas hepatic expression of cholesterol-7-hydroxylase 1 (CYP7A1) and small heterodimer partner (SHP) were significantly lower in ob/ob mice compared to those in control mice. ConclusionMicrobiota-associated BAs deconjugation may induce nonalcoholic fatty liver disease (NAFLD) by activating intestinal FXR signalling and blocking hepatic FXR-SHP pathway, thereby accelerating fat synthesis. Significance and Impact of the StudyWe provided evidences that changes in the gut microbiota and their metabolites can alter the profile of BAs, thereby providing a mechanism by which an altered microbiota profile contributes to the development of NAFLD.-
dc.format.extent11-
dc.language영어-
dc.language.isoENG-
dc.publisherBlackwell Publishing Inc.-
dc.titleGut microbiota-associated bile acid deconjugation accelerates hepatic steatosis in ob/ob mice-
dc.typeArticle-
dc.publisher.location미국-
dc.identifier.doi10.1111/jam.13158-
dc.identifier.scopusid2-s2.0-84982141394-
dc.identifier.wosid000383404900018-
dc.identifier.bibliographicCitationJournal of Applied Microbiology, v.121, no.3, pp 800 - 810-
dc.citation.titleJournal of Applied Microbiology-
dc.citation.volume121-
dc.citation.number3-
dc.citation.startPage800-
dc.citation.endPage810-
dc.type.docTypeArticle-
dc.description.isOpenAccessY-
dc.description.journalRegisteredClasssci-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaBiotechnology & Applied Microbiology-
dc.relation.journalResearchAreaMicrobiology-
dc.relation.journalWebOfScienceCategoryBiotechnology & Applied Microbiology-
dc.relation.journalWebOfScienceCategoryMicrobiology-
dc.subject.keywordPlusNONALCOHOLIC FATTY LIVER-
dc.subject.keywordPlusFARNESOID-X-RECEPTOR-
dc.subject.keywordPlusLIPID-METABOLISM-
dc.subject.keywordPlusN-6/N-3 RATIO-
dc.subject.keywordPlusDISEASE-
dc.subject.keywordPlusSTEATOHEPATITIS-
dc.subject.keywordPlusEXPRESSION-
dc.subject.keywordPlusFXR-
dc.subject.keywordPlusHOMEOSTASIS-
dc.subject.keywordPlusINHIBITION-
dc.subject.keywordAuthorbile acids-
dc.subject.keywordAuthorfarnesoid X receptor-
dc.subject.keywordAuthorintestinal microbiota-
dc.subject.keywordAuthorliver diseases-
dc.subject.keywordAuthormechanisms of action-
dc.subject.keywordAuthormetabolic processes-
dc.subject.keywordAuthorsmall heterodimer partner-
dc.identifier.urlhttps://sfamjournals.onlinelibrary.wiley.com/doi/full/10.1111/jam.13158-
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