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Schisandrae chinensis Fructus Extract Ameliorates Muscle Atrophy in Streptozotocin-Induced Diabetic Mice by Downregulation of the CREB-KLF15 and Autophagy-Lysosomal Pathways

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dc.contributor.authorChoi, Ho-Jung-
dc.contributor.authorYeon, Myeong-Hoon-
dc.contributor.authorJun, Hee-Sook-
dc.date.accessioned2021-10-02T05:40:23Z-
dc.date.available2021-10-02T05:40:23Z-
dc.date.created2021-10-02-
dc.date.issued2021-09-
dc.identifier.issn2073-4409-
dc.identifier.urihttps://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/82284-
dc.description.abstractType 1 diabetes mellitus is an autoimmune disease caused by the destruction of pancreatic beta cells. Many patients with type 1 diabetes experience skeletal muscle wasting. Although the link between type 1 diabetes and muscle wasting is not clearly known, insulin insufficiency and hyperglycemia may contribute to decreased muscle mass. In this study, we investigated the therapeutic effect of the ethanolic extract of Schisandrae chinensis Fructus (SFe) on muscle wasting in streptozotocin (STZ)-induced diabetic mice. STZ-diabetic C57BL/6 mice (blood glucose level >= 300 mg/dL) were orally administered SFe (250 or 500 mg/kg/day) for 6 weeks. We observed that SFe administration did not change blood glucose levels but increased gastrocnemius muscle weight, cross-sectional area, and grip strength in STZ-induced diabetic mice. Administration of SFe (500 mg/kg) decreased the expression of atrophic factors, such as MuRF1 and atrogin-1, but did not alter the expression of muscle synthetic factors. Further studies showed that SFe administration decreased the expression of KLF15 and p-CREB, which are upstream molecules of atrophic factors. Examination of the expression of molecules involved in autophagy-lysosomal pathways (e.g., p62/SQSTM1, Atg7, Beclin-1, ULK-1, LC3-I, and LC3-II) revealed that SFe administration significantly decreased the expression of p62/SQSTM1, LC3-I, and LC3-II; however, no changes were observed in the expression of Atg7, Beclin-1, or ULK-1. Our results suggest that SFe ameliorated muscle wasting in STZ-induced diabetic mice by decreasing protein degradation via downregulation of the CREB-KLF15-mediated UPS system and the p62/SQSTM1-mediated autophagy-lysosomal pathway.-
dc.language영어-
dc.language.isoen-
dc.publisherMDPI-
dc.relation.isPartOfCELLS-
dc.titleSchisandrae chinensis Fructus Extract Ameliorates Muscle Atrophy in Streptozotocin-Induced Diabetic Mice by Downregulation of the CREB-KLF15 and Autophagy-Lysosomal Pathways-
dc.typeArticle-
dc.type.rimsART-
dc.description.journalClass1-
dc.identifier.wosid000699505700001-
dc.identifier.doi10.3390/cells10092283-
dc.identifier.bibliographicCitationCELLS, v.10, no.9-
dc.description.isOpenAccessN-
dc.identifier.scopusid2-s2.0-85115887993-
dc.citation.titleCELLS-
dc.citation.volume10-
dc.citation.number9-
dc.contributor.affiliatedAuthorChoi, Ho-Jung-
dc.contributor.affiliatedAuthorYeon, Myeong-Hoon-
dc.contributor.affiliatedAuthorJun, Hee-Sook-
dc.type.docTypeArticle-
dc.subject.keywordAuthorSchisandrae chinensis Fructus-
dc.subject.keywordAuthormuscle wasting-
dc.subject.keywordAuthormuscle protein degradation-
dc.subject.keywordAuthorstreptozotocin-induced diabetic mice-
dc.subject.keywordPlusPROTEIN BREAKDOWN-
dc.subject.keywordPlusGLUCONEOGENESIS-
dc.subject.keywordPlusACTIVATION-
dc.subject.keywordPlusMECHANISMS-
dc.subject.keywordPlusATROGIN-1-
dc.subject.keywordPlusSTRENGTH-
dc.subject.keywordPlusRECEPTOR-
dc.subject.keywordPlusKLF15-
dc.relation.journalResearchAreaCell Biology-
dc.relation.journalWebOfScienceCategoryCell Biology-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
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