Identification of UBE2T as an independent prognostic biomarker for gallbladder cancer Erratum in /10.3892/ol.2020.12230

Zhu,Xuan; Li,Tao; Niu,Xing; Chen,Lijie; Ge,Chunlin

doi:10.3892/ol.2020.11903

Identification of UBE2T as an independent prognostic biomarker for gallbladder cancer

Erratum in: /10.3892/ol.2020.12230

Authors:
- Xuan Zhu
- Tao Li
- Xing Niu
- Lijie Chen
- Chunlin Ge
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Affiliations: Department of General Surgery, First Affiliated Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China, Department of General Surgery, Fukuang General Hospital, Fushun, Liaoning 113008, P.R. China, Department of Second Clinical College, Shengjing Hospital Affiliated to China Medical University, Shenyang, Liaoning 110004, P.R. China, Department of Third Clinical College, China Medical University, Shenyang, Liaoning 110122, P.R. China
Published online on: July 24, 2020 https://doi.org/10.3892/ol.2020.11903
Article Number: 44
Copyright: © Zhu et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Gallbladder cancer is the most common biliary tract malignant tumor, with unfavorable patient outcomes. The present study aimed to identify potential diagnostic or prognostic biomarkers for gallbladder cancer. To do so, differentially expressed genes in the gallbladder walls and tumor tissues of patients with gallbladder cancer were analyzed via microarray. Furthermore, a protein‑protein interaction network was constructed and genes with a degree score >10 were selected as hub genes. As ubiquitin conjugating enzyme E2T (UBE2T) was considered to be a hub gene, its expression was assessed via reverse transcription‑quantitative (RT‑q)PCR and immunohistochemistry (IHC). In addition, the association between UBE2T expression and the clinicopathological characteristics of patients with gallbladder cancer was analyzed using the χ² test. Furthermore, all patients were divided into high‑ and low groups based on UBE2T expression level and overall survival analysis was performed. Univariate and multivariate Cox regression analyses were performed to determine whether UBE2T may serve as an independent risk factor for gallbladder cancer. The results demonstrated that UBE2T expression was upregulated in the gallbladder walls and tumor tissues of patients with gallbladder cancer. Furthermore, UBE2T expression level was confirmed to be upregulated following RT‑qPCR, and results from IHC demonstrated that UBE2T was predominantly expressed in the cytoplasm of gallbladder cancer cells. In addition, high UBE2T expression level was associated with clinical stage, T classification, N classification and M classification. The results from Univariate and multivariate analyses indicated that UBE2T expression level may be considered as an independent risk factor for gallbladder cancer. Taken together, the findings from this study suggested that high UBE2T expression level may contribute to the poor prognosis of patients with gallbladder cancer, and that UBE2T may act as an independent prognostic biomarker for these patients.

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