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PXD052214

PXD052214 is an original dataset announced via ProteomeXchange.

Dataset Summary
TitleDYRK1B phosphorylates FOXO1 to promote hepatic gluconeogenesis
DescriptionDual-specificity tyrosine phosphorylation-regulated kinase 1B (DYRK1B), a member of the CMGC group of kinase, is associated with metabolic syndrome. However, the molecular mechanisms involved remain elusive. In this study, we demonstrate that Dyrk1b expression is induced in liver by fasting and in diabetic mice. Using both in vivo and in vitro studies, we show that DYRK1B promotes hepatic gluconeogenesis and glucose intolerance. Liver-specific Dyrk1b conditional knockout mice were protected from diet-induced hyperglycemia. Mechanistically, DYRK1B interacts with and phosphorylates FOXO1, primarily at Thr467/Ser468, which is essential for its nuclear localization. Additionally, DYRK1B inhibits AKT mediated FOXO1 phosphorylation at Thr24 and Ser256, thereby enhancing its nuclear retention. DYRK1B mediated phosphorylation enhances the expression of gluconeogenic genes and promotes gluconeogenesis. Further, a pharmacological inhibitor of DYRK1B significantly reduced blood glucose levels in diabetic mice. Collectively, these findings offer new insights into DYRK1B’s role in the glucose metabolism and identify it as a new therapeutic target for treating diabetes.
HostingRepositoryPRIDE
AnnounceDate2025-05-07
AnnouncementXMLSubmission_2025-05-06_16:01:19.237.xml
DigitalObjectIdentifier
ReviewLevelPeer-reviewed dataset
DatasetOriginOriginal dataset
RepositorySupportUnsupported dataset by repository
PrimarySubmitterShanshan Li
SpeciesList scientific name: Mus musculus (Mouse); NCBI TaxID: 10090;
ModificationListphosphorylated residue
InstrumentQ Exactive
Dataset History
RevisionDatetimeStatusChangeLog Entry
02024-05-13 05:55:11ID requested
12025-05-06 16:01:20announced
Publication List
Li S, Huang K, Xu C, Zhang H, Wang X, Zhang R, Lu Y, Mohan M, Hu C, DYRK1B phosphorylates FOXO1 to promote hepatic gluconeogenesis. Nucleic Acids Res, 53(8):(2025) [pubmed]
10.1093/nar/gkaf319;
Keyword List
submitter keyword: DYRK1B, Diabetes, FOXO1,Gluconeogenesis, Phosphorylation
Contact List
Cheng Hu
contact affiliationShanghai Diabetes Institute, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine
contact emailalfredhc@sjtu.edu.cn
lab head
Shanshan Li
contact affiliationShanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine
contact emaillynn1991@alumni.sjtu.edu.cn
dataset submitter
Full Dataset Link List
Dataset FTP location
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