Zhengxiao Wei1, Xiaoqiong Duan2, Qi Li3, Qingfeng Li1, Yu Wang3. 1. Department of Clinical Laboratory, Public Health Clinical Center of Chengdu, Chengdu, China. 2. Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu, China. 3. College of Bioinformatics, Chongqing University of Posts and Telecommunications, Chongqing Key Laboratory of Big Data for Bio-intelligence, Chongqing, China.
Abstract
BACKGROUND: Ran-specific binding protein 1 (RANBP1) is involved in the regulation of the cell cycle, while its role in hepatocellular carcinoma (HCC) is unknown. Therefore, we aimed to demonstrate the association of RANBP1 with clinicopathologic features and potential biological functions in HCC based on The Cancer Genome Atlas (TCGA) data. METHODS: We assessed RANBP1 expression and its correlation with clinicopathologic features and evaluated the prognostic value of RANBP1 with Kaplan-Meier survival analysis and the MethSurv database. Univariate and multivariate Cox regression analyses were conducted to elucidate the factors responsible for prognosis. The identification of a co-expression network and the analysis of related biological events with RANBP1 in HCC were assessed using LinkedOmics. Moreover, gene set enrichment analysis (GSEA) was employed to annotate the biological function of RANBP1. We also explored the correlation between RANBP1 and tumor immune infiltrates using a single sample GSEA (ssGSEA). RESULTS: The expression of RANBP1 was found significantly elevated in HCC and linked to advanced T stage and histopathological grade. Up-regulated RANBP1 expression was linked to poor prognosis. High DNA methylation levels of RANBP1 were significantly linked to very poor overall survival (OS). Co-expression network analysis revealed that RANBP1 was involved in ribosome, spliceosome, deoxyribonucleic acid (DNA) replication, ribonucleic acid (RNA) transport, and cell cycle. GSEA showed enrichment of G2M-checkpoint, Wingless and Int-1 (Wnt) cell signaling, and DNA repair in the RANBP1 high-expression phenotype. By using ssGSEA analysis, the increased RANBP1 expression was positively linked to the immune infiltration level of T helper cell type-1 (Th1) and negatively linked to the immune infiltration levels of T helper cell type-17 (Th17). CONCLUSIONS: Findings suggest that RANBP1 may play a pivotal role in HCC prognosis and can potentially serve as a candidate biosignature and as a therapeutic target for HCC. 2021 Journal of Gastrointestinal Oncology. All rights reserved.
BACKGROUND: Ran-specific binding protein 1 (RANBP1) is involved in the regulation of the cell cycle, while its role in hepatocellular carcinoma (HCC) is unknown. Therefore, we aimed to demonstrate the association of RANBP1 with clinicopathologic features and potential biological functions in HCC based on The Cancer Genome Atlas (TCGA) data. METHODS: We assessed RANBP1 expression and its correlation with clinicopathologic features and evaluated the prognostic value of RANBP1 with Kaplan-Meier survival analysis and the MethSurv database. Univariate and multivariate Cox regression analyses were conducted to elucidate the factors responsible for prognosis. The identification of a co-expression network and the analysis of related biological events with RANBP1 in HCC were assessed using LinkedOmics. Moreover, gene set enrichment analysis (GSEA) was employed to annotate the biological function of RANBP1. We also explored the correlation between RANBP1 and tumor immune infiltrates using a single sample GSEA (ssGSEA). RESULTS: The expression of RANBP1 was found significantly elevated in HCC and linked to advanced T stage and histopathological grade. Up-regulated RANBP1 expression was linked to poor prognosis. High DNA methylation levels of RANBP1 were significantly linked to very poor overall survival (OS). Co-expression network analysis revealed that RANBP1 was involved in ribosome, spliceosome, deoxyribonucleic acid (DNA) replication, ribonucleic acid (RNA) transport, and cell cycle. GSEA showed enrichment of G2M-checkpoint, Wingless and Int-1 (Wnt) cell signaling, and DNA repair in the RANBP1 high-expression phenotype. By using ssGSEA analysis, the increased RANBP1 expression was positively linked to the immune infiltration level of T helper cell type-1 (Th1) and negatively linked to the immune infiltration levels of T helper cell type-17 (Th17). CONCLUSIONS: Findings suggest that RANBP1 may play a pivotal role in HCC prognosis and can potentially serve as a candidate biosignature and as a therapeutic target for HCC. 2021 Journal of Gastrointestinal Oncology. All rights reserved.
Entities:
Keywords:
Hepatocellular carcinoma (HCC); Ran-specific binding protein 1 (RANBP1); The Cancer Genome Atlas database (TCGA database); immune infiltration; prognosis
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