Journal of Clinical and Translational Hepatology

Journal of Clinical and Translational Hepatology

Thursday, 12 / 09 / 2021

Articles

Abstract

ORIGINAL ARTICLE

Development and Validation of an RNA Binding Protein-associated Prognostic Model for Hepatocellular Carcinoma

Hao Zhang , Peng Xia, Weijie Ma and Yufeng Yuan*

Department of Hepatobiliary and Pancreatic Surgery, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
*Correspondence to:Yufeng Yuan, Department of Hepatobiliary and Pancreatic Surgery, Zhongnan Hospital of Wuhan University, Donghu Road 169#, Wuhan, Hubei 430071, China. ORCID: https://orcid.org/0000-0003-3924-3803. E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

Journal of Clinical and Translational Hepatology 2021;9(5):635-646 DOI: 10.14218/JCTH.2020.00103
Received:November 7, 2020 Accepted:March 26, 2021 Published online:April 13, 2021

Abstract

Background and Aims:The survival rate of patients with hepatocellular carcinoma is variable. The abnormal expression of RNA-binding proteins (RBPs) is closely related to the occurrence and development of malignant tumors. The primary aim of this study was to identify RBPs related to the prognosis of liver cancer and to construct a prognostic model of liver cancer.

Methods:We downloaded the hepatocellular carcinoma gene sequencing data from The Cancer Genome Atlas (cancergenome.nih.gov/) database, constructed a protein-protein interaction network, and used Cytoscape to realize the visualization. From among 325 abnormally expressed genes for RBPs, 9 (XPO5, enhancer of zeste 2 polycomb repressive complex 2 subunit [EZH2], CSTF2, BRCA1, RRP12, MRPL54, EIF2AK4, PPARGC1A, and SEPSECS) were selected for construction of the prognostic model. Then, we further verified the results through the Gene Expression Omnibus (www.ncbi.nlm.nih.gov/geo/ ) database and in vitro experiments.

Results:A prognostic model was constructed, which determined that the survival time of patients in the high-risk group was significantly shorter than that of the low-risk group (p<0.01). Univariate and multivariate Cox regression analysis suggested that the risk score was an independent prognostic factor (p<0.01). We also constructed a nomogram based on the risk score, survival time, and survival status. At the same time, we verified the high expression and cancer-promoting effects of EZH2 in tumors.

Conclusions:Survival, receiver operating characteristic curve and independent prognostic analyses demonstrated that we constructed a good prognostic model, which might be useful for estimating the survival of patients with hepatocellular carcinoma.

Keywords

Hepatocellular carcinoma, RNA binding protein, Prognostic model, Nomogram

Journal of Clinical and Translational Hepatology 2021 vol. 9, 635-646  [ Html  ] [ PDF Full-text ]

© 2021 Authors. This is an Open Access article distributed under the terms of the  Creative Commons Attribution-Noncommercial 4.0 License(CC BY-NC 4.0), permitting all non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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