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Heterogeneity in liver histopathology is associated with GSK-3 beta activity and mitochondrial dysfunction in end-stage diabetic rats on differential diets

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dc.contributor.authorLee, Jun-Ho-
dc.contributor.authorChoi, Soo-Bong-
dc.contributor.authorSung, Dong-Jun-
dc.contributor.authorJin, Mingli-
dc.contributor.authorLee, Ju-Han-
dc.contributor.authorMun, Ji-Young-
dc.contributor.authorHwang, Tae-Sook-
dc.contributor.authorHan, Sang-Don-
dc.contributor.authorRo, Young-Tae-
dc.contributor.authorKim, Sung-Young-
dc.contributor.authorYou, Jueng-Soo-
dc.contributor.authorLim, Inja-
dc.contributor.authorNoh, Yun-Hee-
dc.date.accessioned2023-08-16T09:48:26Z-
dc.date.available2023-08-16T09:48:26Z-
dc.date.created2022-01-11-
dc.date.issued2020-02-
dc.identifier.issn1976-6696-
dc.identifier.urihttp://scholarworks.bwise.kr/kbri/handle/2023.sw.kbri/644-
dc.description.abstractWhile liver histopathology is heterogeneous in diabetes, the underlying mechanisms remain unclear. We investigated whether glycemic variation resulting from differential diets can induce heterogeneity in diabetic liver and the underlying molecular mechanisms. We generated end-stage non-obese diabetic model rats by subtotal-pancreatectomy in male Sprague-Dawley rats and ad libitum diet for 7 weeks (n = 33). The rats were then divided into three groups, and fed a standard- or a low-protein diet (18 or 6 kcal%, respectively), for another 7 weeks: to maintain hyperglycemia, 11 rats were fed ad libitum (18AL group); to achieve euglycemia, 11 were calorie-restricted (18R group), and 11 were both calorie- and protein-restricted with the low-protein diet (6R group). Overnight-fasted liver samples were collected after the differential diets together with sham-control (18S group), and histology and molecular changes were compared. Hyperglycemic-18AL showed glycogenic hepatopathy (GH) without steatosis, with the highest GSK-3 beta inactivation because of Aid activation during hyperglycemia; mitochondrial function was not impaired, compared to the 18S group. Euglycemic-18R showed neither GH nor steatosis, with intermediate GSK-3 beta activation and mitochondrial dysfunction. However, euglycemic-6R showed both GH and steatosis despite the highest GSK-3 beta activity and no molecular evidence of increased lipogenesis or decreased ApoB expression, where mitochondrial dysfunction was highest among the groups. In conclusion, heterogeneous liver histopathology developed in end-stage non-obese diabetic rats as the glycemic levels varied with differential diets, in which protein content in the diets as well as glycemic levels differentially influenced GSK-3 beta activity and mitochondrial function in insulin-deficient state.-
dc.language영어-
dc.language.isoen-
dc.publisherKOREAN SOCIETY BIOCHEMISTRY & MOLECULAR BIOLOGY-
dc.titleHeterogeneity in liver histopathology is associated with GSK-3 beta activity and mitochondrial dysfunction in end-stage diabetic rats on differential diets-
dc.typeArticle-
dc.contributor.affiliatedAuthorMun, Ji-Young-
dc.identifier.doi10.5483/BMBRep.2020.53.2.114-
dc.identifier.scopusid2-s2.0-85081109432-
dc.identifier.wosid000518179300006-
dc.identifier.bibliographicCitationBMB REPORTS, v.53, no.2, pp.100 - 105-
dc.relation.isPartOfBMB REPORTS-
dc.citation.titleBMB REPORTS-
dc.citation.volume53-
dc.citation.number2-
dc.citation.startPage100-
dc.citation.endPage105-
dc.type.rimsART-
dc.type.docTypeArticle-
dc.identifier.kciidART002560624-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.description.journalRegisteredClasskci-
dc.relation.journalResearchAreaBiochemistry & Molecular Biology-
dc.relation.journalWebOfScienceCategoryBiochemistry & Molecular Biology-
dc.subject.keywordPlusBETA-CELL FAILURE-
dc.subject.keywordPlusHEPATIC STEATOSIS-
dc.subject.keywordPlusINSULIN-RESISTANCE-
dc.subject.keywordPlusDISEASE-
dc.subject.keywordPlusPATHOGENESIS-
dc.subject.keywordPlusMECHANISMS-
dc.subject.keywordPlusGLUCOSE-
dc.subject.keywordPlusOBESITY-
dc.subject.keywordAuthorDiabetes-
dc.subject.keywordAuthorGlycogenic hepatopathy-
dc.subject.keywordAuthorGSK-3 beta-
dc.subject.keywordAuthorMitochondrial function-
dc.subject.keywordAuthorNon-alcoholic hepatosteatosis-
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