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Proteogenomic characterization of hepatocellular carcinoma

Ng, Charlotte K. Y. and Dazert, Eva and Boldanova, Tujana and Coto-Llerena, Mairene and Nuciforo, Sandro and Ercan, Caner and Suslov, Aleksei and Meier, Marie-Anne and Bock, Thomas and Schmidt, Alexander and Ketterer, Sylvia and Wang, Xueya and Wieland , Stefan and Matter, Matthias S. and Colombi, Marco and Piscuoglio, Salvatore and Terracciano, Luigi and Hall, Michael N. and Heim, Markus H.. (2021) Proteogenomic characterization of hepatocellular carcinoma.

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Abstract

We performed a proteogenomic analysis of hepatocellular carcinomas (HCCs) across clinical stages and etiologies. We identified pathways differentially regulated on the genomic, transcriptomic, proteomic and phosphoproteomic levels. These pathways are involved in the organization of cellular components, cell cycle control, signaling pathways, transcriptional and translational control and metabolism. Analyses of CNA-mRNA and mRNA-protein correlations identified candidate driver genes involved in epithelial-to-mesenchymal transition, the Wnt-β- catenin pathway, transcriptional control, cholesterol biosynthesis and sphingolipid metabolism. The activity of targetable kinases aurora kinase A and CDKs was upregulated. We found that CTNNB1 mutations are associated with altered phosphorylation of proteins involved in actin filament organization, whereas TP53 mutations are associated with elevated CDK1/2/5 activity and altered phosphorylation of proteins involved in lipid and mRNA metabolism. Integrative clustering identified HCC subgroups with distinct regulation of biological processes, metabolic reprogramming and kinase activation. Our analysis provides insights into the molecular processes underlying HCCs.
Faculties and Departments:05 Faculty of Science > Departement Biozentrum > Growth & Development > Biochemistry (Hall)
UniBasel Contributors:Hall, Michael N.
Item Type:Working Paper
Publisher:Cold Spring Harbor Laboratory
Note:Publication type according to Uni Basel Research Database: Discussion paper / Internet publication
Language:English
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Last Modified:03 Mar 2022 14:36
Deposited On:03 Mar 2022 14:35

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