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dc.contributor.authorGu, Ming-Yao-
dc.contributor.authorChun, Yoon Sun-
dc.contributor.authorYong, Ryu Shi-
dc.contributor.authorYang, Hyun Ok-
dc.date.accessioned2024-01-19T21:01:26Z-
dc.date.available2024-01-19T21:01:26Z-
dc.date.created2021-09-02-
dc.date.issued2019-02-
dc.identifier.issn1613-4125-
dc.identifier.urihttps://pubs.kist.re.kr/handle/201004/120427-
dc.description.abstractScope In the previous study, Glycyrrhiza uralensis Fisch extract (GUE) inhibited A beta secretion by inhibiting beta-site APP-cleaving enzyme 1 (BACE1) transcription, and the active compounds semilicoisoflavone B (SB) and licoflavonol (LF) inhibited A beta secretion. SB corresponds to the same mechanism as GUE, but LF has a different mechanism. In this study, the mechanism underlying inhibition of A beta by LF is investigated. Methods and results The effects of LF on A beta, sAPP alpha, and sAPP beta secretion are evaluated by ELISA, and the effect of LF on BACE1 expression is detected by western blotting. It is found that the effect of LF on A beta secretion is due to promotion of BACE1 protein degradation, and that the effect of LF on A beta and BACE1 expression is attenuated after cotreatment with the lysosome inhibitor chloroquine. In a subsequent mechanistic study, it is found that LF increases BACE1 phosphorylation to increase its interactions with ADP ribosylation factor-binding proteins 1 and 3 (GGA1 and GGA3, respectively) and eventually facilitate BACE1 delivery to lysosomes for degradation. Conclusion This study is the first to demonstrate that the BACE1 phosphorylation inducer LF can modulate BACE1 trafficking and lead to facilitating degradation of BACE1, eventually decreasing A beta secretion.-
dc.languageEnglish-
dc.publisherWILEY-
dc.subjectAMYLOID PRECURSOR PROTEIN-
dc.subjectGGA PROTEINS-
dc.subjectRETROGRADE TRANSPORT-
dc.subjectCELL BIOLOGY-
dc.subjectAPP-
dc.subjectTRAFFICKING-
dc.subjectMEMAPSIN-2-
dc.subjectENDOSOMES-
dc.subjectUBIQUITIN-
dc.subjectRETROMER-
dc.titleLicoflavonol Reduces A beta Secretion by Increasing BACE1 Phosphorylation to Facilitate BACE1 Degradation-
dc.typeArticle-
dc.identifier.doi10.1002/mnfr.201800474-
dc.description.journalClass1-
dc.identifier.bibliographicCitationMOLECULAR NUTRITION & FOOD RESEARCH, v.63, no.3-
dc.citation.titleMOLECULAR NUTRITION & FOOD RESEARCH-
dc.citation.volume63-
dc.citation.number3-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.identifier.wosid000457651500011-
dc.identifier.scopusid2-s2.0-85059855378-
dc.relation.journalWebOfScienceCategoryFood Science & Technology-
dc.relation.journalResearchAreaFood Science & Technology-
dc.type.docTypeArticle-
dc.subject.keywordPlusAMYLOID PRECURSOR PROTEIN-
dc.subject.keywordPlusGGA PROTEINS-
dc.subject.keywordPlusRETROGRADE TRANSPORT-
dc.subject.keywordPlusCELL BIOLOGY-
dc.subject.keywordPlusAPP-
dc.subject.keywordPlusTRAFFICKING-
dc.subject.keywordPlusMEMAPSIN-2-
dc.subject.keywordPlusENDOSOMES-
dc.subject.keywordPlusUBIQUITIN-
dc.subject.keywordPlusRETROMER-
dc.subject.keywordAuthorAlzheimer&apos-
dc.subject.keywordAuthors disease-
dc.subject.keywordAuthoramyloid beta-
dc.subject.keywordAuthorBACE1-
dc.subject.keywordAuthorlicoflavonol-
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