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Ma N, Li Z, Yan J, Liu X, He L, Xie R, Lu X. Diverse roles of UBE2T in cancer (Review). Oncol Rep 2023; 49:69. [PMID: 36825587 PMCID: PMC9996685 DOI: 10.3892/or.2023.8506] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 02/10/2023] [Indexed: 02/25/2023] Open
Abstract
As a leading cause of mortalities worldwide, cancer results from accumulation of both genetic and epigenetic alterations. Disruption of epigenetic regulation in cancer, particularly aberrant ubiquitination, has drawn increasing interest in recent years. The present study aimed to review the roles of ubiquitin‑conjugating enzyme E2 T (UBE2T) and its associated pathways in the pathogenesis of pan‑cancer, and the development of small‑molecule modulators to regulate ubiquitination for treatment strategies. The current study comprehensively investigated the expression landscape and functional significance of UBE2T, as well as its correlation with cancer cell sensitivity to chemotherapy/radiotherapy. Multiple levels of evidence suggested that aberrant UBE2T played important roles in pan‑cancer. Information was collected from 16 clinical trials on ubiquitin enzymes, and it was found that these molecules had an important role in the ubiquitin‑proteasome system. Further studies are necessary to explore their feasibility and effectiveness as diagnostic and prognostic biomarkers, or as up/down‑stream and therapeutic targets for cancer treatment.
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Affiliation(s)
- Nengqian Ma
- Department of Hepatobiliary Surgery, Affiliated Nanhua Hospital, Hengyang Medical College, University of South China, Zhuhui, Hengyang, Hunan 421002, P.R. China
| | - Zhangzhan Li
- Radiotherapy Center, Department of Oncology, Affiliated Nanhua Hospital, Hengyang Medical College, University of South China, Zhuhui, Hengyang, Hunan 421002, P.R. China
| | - Jingting Yan
- Department of Ultrasound Medicine, Hengyang Central Hospital, Zhuhui, Hengyang, Hunan 421002, P.R. China
| | - Xianrong Liu
- Department of Hepatobiliary Surgery, Affiliated Nanhua Hospital, Hengyang Medical College, University of South China, Zhuhui, Hengyang, Hunan 421002, P.R. China
| | - Liyan He
- Department of Pain Rehabilitation, Affiliated Nanhua Hospital, Hengyang Medical College, University of South China, Zhuhui, Hengyang, Hunan 421002, P.R. China
| | - Ruijie Xie
- Department of Hand and Microsurgery, Affiliated Nanhua Hospital, Hengyang Medical College, University of South China, Zhuhui, Hengyang, Hunan 421002, P.R. China
| | - Xianzhou Lu
- Department of Hepatobiliary Surgery, Affiliated Nanhua Hospital, Hengyang Medical College, University of South China, Zhuhui, Hengyang, Hunan 421002, P.R. China
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Lei X, Hu X, Lu Q, Fu W, Sun W, Ma Q, Huang D, Xu Q. Ubiquitin‑conjugating enzymes as potential biomarkers and therapeutic targets for digestive system cancers (Review). Oncol Rep 2023; 49:63. [PMID: 36799184 PMCID: PMC9944987 DOI: 10.3892/or.2023.8500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 01/16/2023] [Indexed: 02/15/2023] Open
Abstract
Digestive system cancers are the leading cause of cancer‑related death worldwide due to their high morbidity and mortality rates. The current treatment methods include surgical treatment, chemotherapy, radiotherapy and endoscopic treatment, and the precisely targeted therapy of digestive system cancers requires to be further studied. The ubiquitin‑proteasome system is the main pathway for protein degradation in cells and the ubiquitin‑conjugating enzymes (E2s) have a decisive role in the specific selection of target proteins for degradation. The E2s have an important physiological role in digestive system cancers, which is related to the clinical tumor stage, differentiation degree and poor prognosis. Furthermore, they are involved in the physiological processes of digestive system tumor cell proliferation, migration, invasion, stemness, drug resistance and autophagy. In the present article, the progress and achievements of the E2s in gastric cancer, hepatocellular carcinoma, pancreatic cancer, colorectal cancer, intrahepatic cholangiocarcinoma, gallbladder cancer and esophageal squamous cell carcinoma were reviewed, which may provide early screening indicators and reliable therapeutic targets for digestive system cancers.
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Affiliation(s)
- Xiangxiang Lei
- Institute of Basic Medical Sciences and Forensic Medicine, Hangzhou Medical College, Hangzhou, Zhejiang 310053, P.R. China
| | - Xiaoge Hu
- The Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang 310014, P.R. China
| | - Qiliang Lu
- Qingdao Medical College, Qingdao University, Qingdao, Shandong 266000, P.R. China
| | - Wen Fu
- Qingdao Medical College, Qingdao University, Qingdao, Shandong 266000, P.R. China
| | - Wen Sun
- Second Clinical Medical Institute, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Qiancheng Ma
- Institute of Bioengineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, P.R. China
| | - Dongsheng Huang
- The Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang 310014, P.R. China,Correspondence to: Dr Dongsheng Huang or Dr Qiuran Xu, The Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, 158 Shangtang Road, Gongshu, Hangzhou, Zhejiang 310014, P.R. China, E-mail:
| | - Qiuran Xu
- The Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang 310014, P.R. China,Correspondence to: Dr Dongsheng Huang or Dr Qiuran Xu, The Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, 158 Shangtang Road, Gongshu, Hangzhou, Zhejiang 310014, P.R. China, E-mail:
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Du X, Song H, Shen N, Hua R, Yang G. The Molecular Basis of Ubiquitin-Conjugating Enzymes (E2s) as a Potential Target for Cancer Therapy. Int J Mol Sci 2021; 22:ijms22073440. [PMID: 33810518 PMCID: PMC8037234 DOI: 10.3390/ijms22073440] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 03/18/2021] [Accepted: 03/23/2021] [Indexed: 01/06/2023] Open
Abstract
Ubiquitin-conjugating enzymes (E2s) are one of the three enzymes required by the ubiquitin-proteasome pathway to connect activated ubiquitin to target proteins via ubiquitin ligases. E2s determine the connection type of the ubiquitin chains, and different types of ubiquitin chains regulate the stability and activity of substrate proteins. Thus, E2s participate in the regulation of a variety of biological processes. In recent years, the importance of E2s in human health and diseases has been particularly emphasized. Studies have shown that E2s are dysregulated in variety of cancers, thus it might be a potential therapeutic target. However, the molecular basis of E2s as a therapeutic target has not been described systematically. We reviewed this issue from the perspective of the special position and role of E2s in the ubiquitin-proteasome pathway, the structure of E2s and biological processes they are involved in. In addition, the inhibitors and microRNAs targeting E2s are also summarized. This article not only provides a direction for the development of effective drugs but also lays a foundation for further study on this enzyme in the future.
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