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Supplementary Material for: Identification and Verification of Ubiquitin D as a gene associated with HCV-induced HCC

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posted on 21.06.2022, 08:33 authored by Li H., Liu S., Lin Y., Shi X., Du N., Yao J., Liu R., Du Y., Yang K.
Introduction: Accumulated studies have suggested that hepatitis C virus (HCV) infection is one of the leading causes for hepatocellular carcinoma (HCC). However, the mechanisms underlying the effect of HCV on the occurrence of HCC is still poorly understood. Methods: HCV infection datasets (GSE82177 and GSE17856) and HCC datasets (TCGA-LIHC (The Cancer Genome Atlas Liver Hepatocellular Carcinoma) and GSE89377) were downloaded from Gene Expression Omnibus (GEO) or TCGA for analysis. The common differentially expressed genes (DEGs) in the above four datasets were identified by R software. The expression of Ubiquitin D (UBD) in HCV infected HepG2 cells was detected by RT-qPCR and western blot, respectively. The interaction between NS3 and p53 was detected by Co-Immunoprecipitation. The influence of UBD on the proliferation and migration ability of HepG2 cells was evaluated by CCK-8 and wound healing assay, respectively. Results: UBD was upregulated in both HCV infected samples and HCC samples. HCV NS3 interacted with p53 and inhibited its expression. HCV NS3 induced UBD promoted the proliferation and migration of HepG2 cells. Conclusion: Our results suggest that HCV NS3 induced UBD is positively correlated with the development of HCV-related HCC during HCV infection. Targeting UBD could be a potential strategy for preventing and treating HCV-induced HCC.

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