1
|
Pu XY, Zheng DF, Lv T, Zhou YJ, Yang JY, Jiang L. Overexpression of transcription factor 3 drives hepatocarcinoma development by enhancing cell proliferation via activating Wnt signaling pathway. Hepatobiliary Pancreat Dis Int 2022; 21:378-386. [PMID: 35033448 DOI: 10.1016/j.hbpd.2022.01.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 12/02/2021] [Indexed: 02/08/2023]
Abstract
BACKGROUND Transcription factor 3 (TCF3) plays pivotal roles in embryonic development, stem cell maintenance and carcinogenesis. However, its role in hepatocellular carcinoma (HCC) remains largely unknown. This study aimed to analyze the correlation between TCF3 expression and clinicopathological features of HCC, and further explore the underlying mechanism in HCC progression. METHODS The expression of TCF3 was collected from the Cancer Genome Atlas (TCGA) and the Gene Expression Omnibus (GEO) HCC datasets, and further confirmed by immunostaining and Western blotting assays. The correlation between TCF3 expression and the clinicopathological features was evaluated. Bioinformatical analysis and in vitro experiments were conducted to explore the potential role of TCF3 in HCC development. RESULTS Both the mRNA and protein levels of TCF3 were significantly higher in HCC tumor tissues compared to tumor adjacent tissues (P < 0.001 and P < 0.01). Analysis based on TCGA datasets showed that TCF3 was positively correlated with tumor clinical stage and grade, and patients with high TCF3 expression had shorter overall survival (P = 0.012), disease-specific survival (P = 0.022) and progression-free survival (P = 0.013). Similarly, the immunostaining results revealed that the high expression of TCF3 was closely correlated with tumor size (P = 0.001) and TNM stage (P = 0.002), and TCF3 was an independent risk factor of HCC. In vitro study exhibited that TCF3 knockdown dramatically suppressed cancer cell proliferation, and the underlying mechanism might be that the silencing of TCF3 reduced the expression of critical regulating proteins towards cell cycle and proteins involved in Wnt signaling pathways. CONCLUSIONS TCF3 expression is significantly elevated in HCC and positively associated with the tumor size and TNM stage, as well as poor prognosis of HCC patients. The mechanism might be that TCF3 promotes cancer cell proliferation via activating Wnt signaling pathway.
Collapse
Affiliation(s)
- Xing-Yu Pu
- Department of Liver Surgery and Liver Transplantation Center, West China Hospital, Sichuan University, Chengdu 610041, China; Laboratory of Liver Transplantation, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Dao-Feng Zheng
- Department of Liver Surgery and Liver Transplantation Center, West China Hospital, Sichuan University, Chengdu 610041, China; Laboratory of Liver Transplantation, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Tao Lv
- Department of Liver Surgery and Liver Transplantation Center, West China Hospital, Sichuan University, Chengdu 610041, China; Laboratory of Liver Transplantation, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Yong-Jie Zhou
- Department of Liver Surgery and Liver Transplantation Center, West China Hospital, Sichuan University, Chengdu 610041, China; Laboratory of Liver Transplantation, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Jia-Yin Yang
- Department of Liver Surgery and Liver Transplantation Center, West China Hospital, Sichuan University, Chengdu 610041, China; Laboratory of Liver Transplantation, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Li Jiang
- Department of Liver Surgery and Liver Transplantation Center, West China Hospital, Sichuan University, Chengdu 610041, China; Laboratory of Liver Transplantation, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China.
| |
Collapse
|
2
|
Dong Y, Wang Q, Sun J, Liu H, Wang H. Long non-coding RNA TPTEP1 exerts inhibitory effects on hepatocellular carcinoma by impairing microRNA-454-3p-mediated DLG5 downregulation. Dig Liver Dis 2022; 54:268-279. [PMID: 34238665 DOI: 10.1016/j.dld.2021.04.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 04/07/2021] [Accepted: 04/13/2021] [Indexed: 12/11/2022]
Abstract
BACKGROUND Hepatocellular carcinoma (HCC) is usually diagnosed at late stages, making it the second cause of malignancy-related death across the world. Long noncoding RNAs (lncRNAs) are of significance to tumorigenesis, highly suggestive of their functional roles as novel biomarkers for cancer therapy. The current study investigated the specific role of lncRNA TPTE pseudogene 1 (TPTEP1) in HCC. METHODS Expression of lncRNA TPTEP1, microRNA-454-3p (miR-454-3p) and discs large homolog 5 (DLG5) was determined in tissues samples from the recruited patients with HCC. Cell proliferation, migration and invasion assays were performed to determine effects of lncRNA TPTEP1, miR-454-3p and DLG5 on the malignant phenotype of tumor cells. Finally, the mouse HCC model was also established to disclose the tumor suppressor effects of lncRNA TPTEP1 in vivo. RESULTS LncRNA TPTEP1 was downregulated both in HCC cells and tissues, and played a negative regulatory role in HCC cell proliferation, migration and invasion. Mechanistically, lncRNA TPTEP1 competitively bound to miR-454-3p, thereby upregulating its endogenous target DLG5. Moreover, lncRNA TPTEP1 hindered activation of the protein kinase B signaling pathway, causing inhibited malignant phenotypes of HCC cells. Also, lncRNA TPTEP1 suppressed tumor growth and extrahepatic metastasis (lung) via miR-454-3p/DLG5 axis. CONCLUSION Taken together, this research revealed a concrete mechanism of lncRNA TPTEP1 in HCC.
Collapse
Affiliation(s)
- Yuandi Dong
- Department of Hepatobiliary Pancreatic Surgery, The Affiliated Tumor Hospital of Harbin Medical University, Harbin 150000, PR China; Department of Interventional Vascular Surgery, The First Affiliated Hospital of Harbin Medical University, No. 23, Youzheng Street, Nangang District, Harbin, Heilongjiang Province 150000, PR China
| | - Qingshan Wang
- Department of Interventional Vascular Surgery, The First Affiliated Hospital of Harbin Medical University, No. 23, Youzheng Street, Nangang District, Harbin, Heilongjiang Province 150000, PR China; Department of Vascular Surgery, Heilongjiang Provincial Hospital, Harbin 150000, PR China
| | - Jianmin Sun
- Department of Hepatobiliary Pancreatic Surgery, The Affiliated Tumor Hospital of Harbin Medical University, Harbin 150000, PR China
| | - Haishi Liu
- Department of Hepatobiliary Pancreatic Surgery, The Affiliated Tumor Hospital of Harbin Medical University, Harbin 150000, PR China
| | - Haiyang Wang
- Department of Interventional Vascular Surgery, The First Affiliated Hospital of Harbin Medical University, No. 23, Youzheng Street, Nangang District, Harbin, Heilongjiang Province 150000, PR China.
| |
Collapse
|
3
|
Mangoud NOM, Ali SA, El Kassas M, Soror SH. Chitinase 3-like-1, Tolloid-like protein 1, and intergenic gene polymorphisms are predictors for hepatocellular carcinoma development after hepatitis C virus eradication by direct-acting antivirals. IUBMB Life 2021; 73:474-482. [PMID: 33347699 DOI: 10.1002/iub.2444] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Revised: 12/19/2020] [Accepted: 12/20/2020] [Indexed: 02/02/2023]
Abstract
Hepatocellular carcinoma (HCC) is a major cause of cancer death in Egypt. There is still a risk for HCC development even after eradicating hepatitis C virus (HCV) by direct-acting antivirals (DAAs). Chitinase-3-like-protein-1 (CHI3L1), a biomarker for predicting many diseases, plays an essential role in inflammation, angiogenesis, and antiapoptosis. Tolloid-like protein 1 (TLL1) may be involved in hepatic fibrogenesis and carcinogenesis. This study aimed to determine the role and combined effect of CHI3L1 (rs880633), TLL1 (rs1503298), and an intergenic (rs597533) polymorphisms on the risk of developing HCC in Egyptian patients after achieving sustained virological response (SVR) by DAAs. Blood samples were collected from 68 HCC patients, 77 non-HCC subjects, and 80 healthy controls. The DNA was extracted and analyzed for rs880633, rs1503298, and rs597533 using Genotyping TaqMan™ assay. The result of the present study showed a significant difference in genotypes and alleles frequencies in both (rs880633) and (rs597533) in HCC group as compared to healthy control and also as compared to the non-HCC group. However, regarding to (rs1503298) genotypes and alleles between the HCC and non-HCC groups, there were no significant differences. Combined polymorphism in more than one gene simultaneously showed a higher risk to HCC after SVR than an individual locus. Both allelic and genotypic variations of the CHI3L1 gene (rs880633) and an intergenic (rs597533) seemed to be significant predictors confirming a great risk for HCC susceptibility in Egyptian patients achieved SVR. Patients with a polymorphism in more than one gene showed an increased risk to HCC after SVR rather than individual locus.
Collapse
Affiliation(s)
- Nadia O M Mangoud
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy, Helwan University, Helwan, Egypt
| | - Sahar A Ali
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy, Helwan University, Helwan, Egypt
| | - Mohamed El Kassas
- Endemic Medicine Department, Faculty of Medicine, Helwan University, Helwan, Egypt
| | - Sameh H Soror
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy, Helwan University, Helwan, Egypt
| |
Collapse
|