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Chang Y, Jia HQ, Xu B, Yang L, Xu YT, Zhang JY, Wang MQ, Yang LX, Song ZC. Metadherin inhibits chemosensitivity of triple-negative breast cancer to paclitaxel via activation of AKT/GSK-3β signaling pathway. Chem Biol Drug Des 2024; 103:e14416. [PMID: 38093418 DOI: 10.1111/cbdd.14416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 10/23/2023] [Accepted: 11/09/2023] [Indexed: 01/18/2024]
Abstract
Triple-negative breast cancer (TNBC) has an aggressive clinical course, and paclitaxel (PTX)-based chemotherapy remains the main therapeutic drug. Metadherin (MTDH) acts as an oncogene that regulates proliferation, invasion, metastasis, and chemoresistance. This study aimed to investigate whether TNBC chemosensitivity to PTX was related to the MTDH/AKT/glycogen synthase kinase-3beta (GSK-3β) pathway. Clinical baseline characteristics and immunohistochemistry (IHC) were used to evaluate the expression and prognosis of MTDH and AKT (protein kinase B, PKB) in TNBC patient samples. MTDH shRNA, MTDH overexpression vector, MK-2206, and PTX intervention were used in cell models and mouse tumor-bearing models. Afterwards, mRNA and protein levels were assessed using quantitative real-time polymerase chain reaction and Western blot. Evaluate the level of tumor cell apoptosis and cell cycle using flow cytometry. Cell viability was detected using Cell Count Kit 8. The in vivo imaging system is used to analyze the growth of tumors. We found that higher expression of MTDH or AKT resulted in poorer disease-free survival and a lower Miller-Payne grade. MTDH promotes cell proliferation and increases p-AKT and p-GSK-3β expression in TNBC cells. Notably, suppression of AKT terminated MTDH overexpression-induced cell proliferation and apoptosis. MTDH knockdown or the AKT inhibitor MK2206 reduced the p-AKT and p-GSK-3β ratio, reduced cell viability and proliferation, increased cell apoptosis, and increased chemosensitivity to PTX. In vivo, xenograft tumors of an MTDH knockdown+MK2206 group treated with PTX were the smallest compared to other groups. In short, MTDH inhibits TNBC chemosensitivity to PTX by activating the AKT/GSK-3β signaling pathway.
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Affiliation(s)
- Yan Chang
- Department of Breast Center, Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, P.R. China
- Department of Breast Surgery, Affiliated Hospital of Hebei Engineering University, Handan, Hebei, P.R. China
| | - Hui-Qin Jia
- Department of Breast Center, Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, P.R. China
| | - Bin Xu
- Department of Breast Center, Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, P.R. China
| | - Liu Yang
- Department of Breast Center, Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, P.R. China
| | - Ye-Tong Xu
- Department of Breast Center, Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, P.R. China
| | - Jing-Yu Zhang
- Department of Breast Center, Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, P.R. China
| | - Mei-Qi Wang
- Department of Breast Center, Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, P.R. China
- Key Laboratory for Breast Cancer Molecular Medicine of Hebei Province, Shijiazhuang, Hebei, P.R. China
| | - Li-Xian Yang
- Department of Breast Surgery, Xingtai People's Hospital, Xingtai, Hebei, P.R. China
| | - Zhen-Chuan Song
- Department of Breast Center, Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, P.R. China
- Key Laboratory for Breast Cancer Molecular Medicine of Hebei Province, Shijiazhuang, Hebei, P.R. China
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2
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Zhang Y, Zhao F. [Retracted] MicroRNA‑758 inhibits tumorous behavior in tongue squamous cell carcinoma by directly targeting metadherin. Mol Med Rep 2023; 27:114. [PMID: 37114565 PMCID: PMC10170475 DOI: 10.3892/mmr.2023.13001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Accepted: 11/30/2018] [Indexed: 04/29/2023] Open
Abstract
Following the publication of this paper, it was drawn to the Editor's attention by a concerned reader that certain of the Transwell invasion assay data shown in Fig. 5E were strikingly similar to data appearing in different form in other articles written by different authors at different research institutes, several of which have already been retracted. Owing to the fact that the contentious data in the above article had already been published prior to its submission to Molecular Medicine Reports, the Editor has decided that this paper should be retracted from the Journal. After having been in contact with the authors, they accepted the decision to retract the paper. The Editor apologizes to the readership for any inconvenience caused. [Molecular Medicine Reports 19: 1883‑1890, 2019; DOI: 10.3892/mmr.2019.9805].
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Affiliation(s)
- Yulan Zhang
- Department of Stomatology, Affiliated Hospital of Inner Mongolia University for The Nationalities, Tongliao, Inner Mongolia 028000, P.R. China
| | - Fuquan Zhao
- Department of Cardiovascular Intervention, Affiliated Hospital of Inner Mongolia University for The Nationalities, Tongliao, Inner Mongolia 028000, P.R. China
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Ortiz-Soto G, Babilonia-Díaz NS, Lacourt-Ventura MY, Rivera-Rodríguez DM, Quiñones-Rodríguez JI, Colón-Vargas M, Almodóvar-Rivera I, Ferrer-Torres LE, Suárez-Arroyo IJ, Martínez-Montemayor MM. Metadherin Regulates Inflammatory Breast Cancer Invasion and Metastasis. Int J Mol Sci 2023; 24:ijms24054694. [PMID: 36902125 PMCID: PMC10002532 DOI: 10.3390/ijms24054694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 02/25/2023] [Accepted: 02/26/2023] [Indexed: 03/05/2023] Open
Abstract
Inflammatory breast cancer (IBC) is one of the most lethal subtypes of breast cancer (BC), accounting for approximately 1-5% of all cases of BC. Challenges in IBC include accurate and early diagnosis and the development of effective targeted therapies. Our previous studies identified the overexpression of metadherin (MTDH) in the plasma membrane of IBC cells, further confirmed in patient tissues. MTDH has been found to play a role in signaling pathways related to cancer. However, its mechanism of action in the progression of IBC remains unknown. To evaluate the function of MTDH, SUM-149 and SUM-190 IBC cells were edited with CRISPR/Cas9 vectors for in vitro characterization studies and used in mouse IBC xenografts. Our results demonstrate that the absence of MTDH significantly reduces IBC cell migration, proliferation, tumor spheroid formation, and the expression of NF-κB and STAT3 signaling molecules, which are crucial oncogenic pathways in IBC. Furthermore, IBC xenografts showed significant differences in tumor growth patterns, and lung tissue revealed epithelial-like cells in 43% of wild-type (WT) compared to 29% of CRISPR xenografts. Our study emphasizes the role of MTDH as a potential therapeutic target for the progression of IBC.
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Affiliation(s)
- Gabriela Ortiz-Soto
- Department of Biochemistry, Universidad Central del Caribe-School of Medicine, Bayamón, PR 00960, USA
| | - Natalia S. Babilonia-Díaz
- Department of Biochemistry, Universidad Central del Caribe-School of Medicine, Bayamón, PR 00960, USA
| | | | | | - Jailenne I. Quiñones-Rodríguez
- Department of Clinical Anatomy, College of Osteopathic Medicine, Sam Houston State University, Conroe, TX 77304, USA
- Department of Anatomy and Cell Biology, School of Medicine, Universidad Central del Caribe, Bayamón, PR 00960, USA
| | - Mónica Colón-Vargas
- Department of Mathematical Sciences, University of Puerto Rico at Mayagüez, Mayagüez, PR 00681, USA
| | - Israel Almodóvar-Rivera
- Department of Mathematical Sciences, University of Puerto Rico at Mayagüez, Mayagüez, PR 00681, USA
| | - Luis E. Ferrer-Torres
- Department of Pathology and Laboratory Medicine, Hospital Interamericano de Medicina Avanzada (H.I.M.A.)—San Pablo Caguas, Caguas, PR 00725, USA
- Department of Immunopathology, Hato Rey Pathology Associates Inc. (HRPLABS), San Juan, PR 00936, USA
| | - Ivette J. Suárez-Arroyo
- Department of Biochemistry, Universidad Central del Caribe-School of Medicine, Bayamón, PR 00960, USA
| | - Michelle M. Martínez-Montemayor
- Department of Biochemistry, Universidad Central del Caribe-School of Medicine, Bayamón, PR 00960, USA
- Correspondence: or ; Tel.: +1-787-798-3001 (ext. 2152)
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Pan D, Jia Z, Li W, Dou Z. [Corrigendum] The targeting of MTDH by miR‑145‑5p or miR‑145‑3p is associated with prognosis and regulates the growth and metastasis of prostate cancer cells. Int J Oncol 2023; 62:29. [PMID: 36633139 PMCID: PMC9851119 DOI: 10.3892/ijo.2023.5477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Accepted: 03/01/2019] [Indexed: 01/11/2023] Open
Abstract
Following the publication of the above article, an interested reader drew to the authors' attention that the Transwell invasion assay images in Fig. 3B on p. 1961 representing the Con/PWR‑1E and the PC‑3/siMTDH experiments contained overlapping sections, such that they appeared to have been derived from the same original source, even though they were intending to have shown the results from differently performed experiments. Similarly, in Fig. 8A on p. 1965, the representative images selected for the PC‑3/miR‑145‑3p and LNCaP/miR‑145‑3p data panels were also found to contain overlapping sections. After having consulted their original data, the authors realized that these errors had occurred while compiling the affected figure parts. The revised versions of Figs. 3 and 8, containing the data from one of the repeated experiments in Fig. 3B and 8A, are shown on the next two pages. Concerns about the western blots featured in Figs. 4C and D and 9F were also raised by the interested reader; upon querying these with the authors, however, they were able to provide the full blots in these cases, thereby confirming their authenticity. The authors regret that these errors went unnoticed prior to publication, and thank the Editor of International Journal of Oncology for allowing them the opportunity to publish this corrigendum. All the authors agree with the publication of this corrigendum; furthermore, they also apologize to the readership of the journal for any inconvenience caused. [International Journal of Oncology 54: 1955‑1968, 2019; DOI: 10.3892/ijo.2019.4782].
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Affiliation(s)
- Dong Pan
- Department of Urology Surgery, the First Affiliated Hospital and College of Clinical Medicine of Henan University of Science and Technology, Luoyang, Henan 471003, P.R. China
| | - Zhaohui Jia
- Department of Urology Surgery, the First Affiliated Hospital and College of Clinical Medicine of Henan University of Science and Technology, Luoyang, Henan 471003, P.R. China
| | - Wensheng Li
- Department of Urology Surgery, the First Affiliated Hospital and College of Clinical Medicine of Henan University of Science and Technology, Luoyang, Henan 471003, P.R. China
| | - Zhongling Dou
- Department of Urology Surgery, the First Affiliated Hospital and College of Clinical Medicine of Henan University of Science and Technology, Luoyang, Henan 471003, P.R. China
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Wei W, Lin C, Hu R, Huang J, Chen X, Zhou L, Wei J, Deng YB, Wang CF. LOC102553417 silencing facilitates the apoptosis of hepatic stellate cells via the miR‑30e/MTDH axis. Mol Med Rep 2022; 26:349. [PMID: 36177898 PMCID: PMC9551410 DOI: 10.3892/mmr.2022.12865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 08/05/2022] [Indexed: 11/23/2022] Open
Abstract
Hepatic fibrosis is an inevitable pathological process in the progression of multiple chronic liver diseases and remains a major challenge in the treatment of liver diseases. The purpose of the present study was to demonstrate whether silencing of the long non-coding RNA LOC102553417 promoted hepatic stellate cell (HSC) apoptosis via the microRNA (miR)-30e/metadherin (MTDH) axis. A LOC102553417 silencing lentivirus was constructed and transduced into HSC-T6 cells. After confirming the silencing efficiency by reverse transcription-quantitative PCR, cell proliferation was assessed using the Cell Counting Kit-8 assay and apoptosis was assessed using flow cytometry. The interaction between LOC102553417 and miR-30e, and that between miR-30e and MTDH, was demonstrated using the dual-luciferase reporter assay and RNA binding protein immunoprecipitation. The apoptosis of HSC-T6 cells was detected after transfection of miR-30e mimics and inhibitors with or without silencing LOC102553417. Silencing of LOC102553417 curbed HSC-T6 cell proliferation and expedited their apoptosis. LOC102553417 was demonstrated to target miR-30e, whereas miR-30e targeted MTDH. In addition, LOC102553417 silencing significantly upregulated miR-30e expression levels, and significantly downregulated MTDH mRNA and protein expression levels, which resulted in a significantly reduced p-Akt/Akt ratio and significantly elevated p53 protein expression levels. Transfection with miR-30e mimic alone significantly enhanced HSC-T6 cell apoptosis and inhibits LOC102553417 and MTDH expressions, In addition, miR-30e mimic expedites the apoptosis of HSCs stimulated by LOC102553417 silencing; consistent results were obtained by reverse validation of miR-30e inhibitor. In conclusion, the present study demonstrated that LOC102553417 silencing stimulated the apoptosis of HSCs via the miR-30e/MTDH axis.
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Affiliation(s)
- Wujun Wei
- Center for Clinical Laboratory Diagnosis and Research, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi Zhuang Autonomous Region 533000, P.R. China
| | - Cheng Lin
- Oncology Department, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi Zhuang Autonomous Region 533000, P.R. China
| | - Rentong Hu
- Center for Clinical Laboratory Diagnosis and Research, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi Zhuang Autonomous Region 533000, P.R. China
| | - Jingjing Huang
- Department of Health Medicine, Baise Maternal and Child Health Hospital, Baise, Guangxi Zhuang Autonomous Region 533000, P.R. China
| | - Xiaohao Chen
- Center for Clinical Laboratory Diagnosis and Research, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi Zhuang Autonomous Region 533000, P.R. China
| | - Lv Zhou
- Center for Clinical Laboratory Diagnosis and Research, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi Zhuang Autonomous Region 533000, P.R. China
| | - Jiazhu Wei
- Center for Clinical Laboratory Diagnosis and Research, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi Zhuang Autonomous Region 533000, P.R. China
| | - Yi-Bin Deng
- Center for Clinical Laboratory Diagnosis and Research, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi Zhuang Autonomous Region 533000, P.R. China
| | - Chun-Fang Wang
- Center for Clinical Laboratory Diagnosis and Research, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi Zhuang Autonomous Region 533000, P.R. China
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Jia C, Tang D, Sun C, Yao L, Li F, Hu Y, Zhang X, Wu D. [Retracted] MicroRNA‑466 inhibits the aggressive behaviors of hepatocellular carcinoma by directly targeting metadherin. Oncol Rep 2022; 48:145. [PMID: 35762328 PMCID: PMC9260161 DOI: 10.3892/or.2022.8357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Accepted: 09/27/2018] [Indexed: 11/07/2022] Open
Affiliation(s)
- Chen Jia
- Department of Liver Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
| | - Desheng Tang
- Department of Liver Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
| | - Chen Sun
- Department of Liver Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
| | - Lei Yao
- Department of Liver Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
| | - Fujun Li
- Department of Liver Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
| | - Yanhua Hu
- Department of Liver Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
| | - Xinchen Zhang
- Department of Liver Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
| | - Dequan Wu
- Department of Liver Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
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Fang J, Zhu H, Xu P, Jiang R. Zingerone suppresses proliferation, invasion, and migration of hepatocellular carcinoma cells by the inhibition of MTDH-mediated PI3K/Akt pathway. J Recept Signal Transduct Res 2021; 42:409-417. [PMID: 34645355 DOI: 10.1080/10799893.2021.1988970] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
PURPOSE Previous studies have proved that zingerone was a therapeutic agent for many tumors. Metadherin (MTDH) acts as an oncogene and is involved in tumorigenesis. The purpose of this study was to explore the underlying mechanism of zingerone that regulates MTDH to affect hepatocellular carcinoma (HCC) progression. METHODS CCK-8 assay was performed to detect HCC cell proliferation. The invasion and migration abilities of HCC cells were evaluated using Transwell assay. The mRNA and protein levels in cells and tissues were measured using qRT-PCR and Western blot assays. Moreover, we established the HCC xenografts nude mice to evaluate the effect of zingerone on tumor growth. RESULTS We found that zingerone treatment significantly inhibited HCC cell malignant phenotype and tumor growth. Moreover, MTDH was highly expressed in HCC tissues and cell lines and was positively associated with poor overall survival of patients with HCC. Knockdown of MTDH notably suppressed the proliferation, invasion, and migration capacities of HCC cells. Mechanistically, inhibition of MTDH by zingerone impeded the malignant biological behavior of HCC cells by inactivating the PI3K/Akt pathway. CONCLUSION These results suggested that zingerone served as an effective therapeutic agent in HCC via blocking the MTDH-mediated PI3K/Akt pathway.
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Affiliation(s)
- Jian Fang
- Department of Hepatobiliary Surgery, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, China
| | - Huifen Zhu
- Department of Hepatobiliary Surgery, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, China
| | - Pengcheng Xu
- Department of Hepatobiliary Surgery, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, China
| | - Renya Jiang
- Department of Hepatobiliary Surgery, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, China
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Ali DA, Sabry NM, Kabel AM, Gaber RA, Mokhtar HM, Samy SM, Elrashidy MA, Salama SA, Abdelhai D. The Expression of Circulating miR-497 and Metadherin in Hepatocellular Carcinoma: Relation to the Tumor Characteristics and Patients' Survival. ACTA ACUST UNITED AC 2021; 57:866. [PMID: 34577789 DOI: 10.3390/medicina57090866] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Revised: 08/17/2021] [Accepted: 08/21/2021] [Indexed: 01/27/2023]
Abstract
Objectives: This study aimed to evaluate the prognostic significance and relationship of miR-497 and metadherin to hepatocellular carcinoma (HCC) tumor characteristics and patients’ survival. Methods: This study enrolled 120 (60 HCC patients and 60 healthy) subjects. Serum miR-497 and metadherin mRNA relative expression were analyzed by real-time quantitative reverse transcription polymerase chain reaction. The overall survival (OS) of HCC patients was assessed using the Kaplan–Meier curve and log-rank test. Results: Serum miR-497 showed statistically significant downregulation in HCC patients compared to controls (p < 0.001). Serum metadherin mRNA relative expression was significantly upregulated in HCC patients compared to controls (p < 0.001). Both serum miR-497 and metadherin mRNA expression were significantly associated with the number of tumor foci (p = 0.028 and 0.001, respectively), tumor size (p = 0.022 and <0.001, respectively), nodal metastasis (p = 0.003 and 0.003, respectively), distant metastasis (p = 0.003 and 0.003, respectively), vascular invasion (p = 0.040 and <0.001, respectively), and BCLC staging (p = 0.043 and 0.004, respectively). The overall survival was lower in patients with low miR-497 expression (p = 0.046) and in patients with high metadherin expression (p < 0.001). Conclusions: The expression levels of miR-497 showed downregulation in HCC patients, but metadherin expression showed upregulation. Both markers were inversely related and closely correlated with tumor characteristics and patients’ survival.
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Zhang W, Zhangyuan G, Wang F, Jin K, Shen H, Zhang L, Yuan X, Wang J, Zhang H, Yu W, Huang R, Xu X, Yin Y, Zhong G, Lin A, Sun B. The zinc finger protein Miz1 suppresses liver tumorigenesis by restricting hepatocyte-driven macrophage activation and inflammation. Immunity 2021; 54:1168-1185.e8. [PMID: 34038747 DOI: 10.1016/j.immuni.2021.04.027] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 01/20/2021] [Accepted: 04/29/2021] [Indexed: 12/16/2022]
Abstract
Chronic inflammation plays a central role in hepatocellular carcinoma (HCC), but the contribution of hepatocytes to tumor-associated inflammation is not clear. Here, we report that the zinc finger transcription factor Miz1 restricted hepatocyte-driven inflammation to suppress HCC, independently of its transcriptional activity. Miz1 was downregulated in HCC mouse models and a substantial fraction of HCC patients. Hepatocyte-specific Miz1 deletion in mice generated a distinct sub-group of hepatocytes that produced pro-inflammatory cytokines and chemokines, which skewed the polarization of the tumor-infiltrating macrophages toward pro-inflammatory phenotypes to promote HCC. Mechanistically, Miz1 sequestrated the oncoprotein metadherin (MTDH), preventing MTDH from promoting transcription factor nuclear factor κB (NF-κB) activation. A distinct sub-group of pro-inflammatory cytokine-producing hepatocytes was also seen in a subset of HCC patients. In addition, Miz1 expression inversely correated with disease recurrence and poor prognosis in HCC patients. Our findings identify Miz1 as a tumor suppressor that prevents hepatocytes from driving inflammation in HCC.
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Affiliation(s)
- Wenjie Zhang
- Department of Hepatobiliary Surgery, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, Jiangsu Province, China; Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Guangyan Zhangyuan
- Department of Hepatobiliary Surgery, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, Jiangsu Province, China; Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Fei Wang
- Department of Hepatobiliary Surgery, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, Jiangsu Province, China; Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Kangpeng Jin
- Department of Hepatobiliary Surgery, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, Jiangsu Province, China; Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Haiyuan Shen
- Department of Hepatobiliary Surgery, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, Jiangsu Province, China; Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Liansheng Zhang
- The State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai 200031, China; Ben May Department for Cancer Research, University of Chicago, Chicago, IL 60637, USA
| | - Xiang Yuan
- The State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai 200031, China; Ben May Department for Cancer Research, University of Chicago, Chicago, IL 60637, USA
| | - Jincheng Wang
- Department of Hepatobiliary Surgery, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, Jiangsu Province, China; Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Haitian Zhang
- Department of Hepatobiliary Surgery, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, Jiangsu Province, China; Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Weiwei Yu
- Department of Hepatobiliary Surgery, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, Jiangsu Province, China; Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Ruyi Huang
- Department of Hepatobiliary Surgery, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, Jiangsu Province, China; Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Xiaoliang Xu
- Department of Hepatobiliary Surgery, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, Jiangsu Province, China; Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Yin Yin
- Department of Hepatobiliary Surgery, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, Jiangsu Province, China; Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Guisheng Zhong
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Anning Lin
- Ben May Department for Cancer Research, University of Chicago, Chicago, IL 60637, USA; Institute of Modern Biology, Nanjing University, Nanjing 20018, China.
| | - Beicheng Sun
- Department of Hepatobiliary Surgery, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, Jiangsu Province, China; Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China.
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10
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Rong C, Shi Y, Huang J, Wang X, Shimizu R, Mori Y, Murai A, Liang J. The Effect of Metadherin on NF-κB Activation and Downstream Genes in Ovarian Cancer. Cell Transplant 2021; 29:963689720905506. [PMID: 32207338 PMCID: PMC7444209 DOI: 10.1177/0963689720905506] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Ovarian cancer (OC) is the most aggressive gynecological cancer. Even
with the advances in detection and therapeutics, it still remains
clinically challenging and there is a pressing need to identify novel
therapeutic strategies. In searching for rational molecular targets,
we identified metadherin (MTDH), a multifunctional gene associated
with several tumor types but previously unrecognized in OC. In this
study, we found the MTDH is overexpressed in OC tissues. Through in
vitro assays with overexpression cells, we characterized the role of
MTDH. We confirmed MTDH stable overexpression significantly increased
the expression of TNF-α, IL-6, IL-8, IL-10, and IL-1β. Interestingly,
NF-kappa-B (NF-κB) and MTDH were found in a feed-forward loop motif.
Thus, our findings support the notion that the MTDH and NF-κB
signaling network contributes to OC traits. MTDH represents a new
OC-associated gene that can contribute to insights of OC biology and
suggests other treatment strategies.
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Affiliation(s)
- Chunhong Rong
- Department of Pathology, China-Japan Friendship Hospital, Beijing, China
| | - Yanfen Shi
- Department of Pathology, China-Japan Friendship Hospital, Beijing, China
| | - Jun Huang
- Department of Pathology, China-Japan Friendship Hospital, Beijing, China
| | - Xinyue Wang
- Department of Gynecology and Obstetrics, Changping Hospital of Chinese and Western Medicine, Beijing, China
| | - Risa Shimizu
- Department of Medicine and Molecular Science, Gunma University, Maebeshi, Japan
| | - Yuki Mori
- Department of Medicine and Molecular Science, Gunma University, Maebeshi, Japan
| | - Akiko Murai
- Department of Gynecology Oncology, University of Chicago, Chicago, IL, USA
| | - Jing Liang
- Department of Gynecology and Obstetrics, China-Japan Friendship Hospital, Beijing, China
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11
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Wang Z, Deng M, Chen L, Wang W, Liu G, Liu D, Han Z, Zhou Y. Circular RNA Circ-03955 Promotes Epithelial-Mesenchymal Transition in Osteosarcoma by Regulating miR-3662/ Metadherin Pathway. Front Oncol 2020; 10:545460. [PMID: 33312941 PMCID: PMC7708376 DOI: 10.3389/fonc.2020.545460] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Accepted: 09/14/2020] [Indexed: 01/05/2023] Open
Abstract
Osteosarcoma is the most common primary malignant tumor, especially in children and adolescents. Circular RNAs (circRNAs) are found to play roles in the progression of osteosarcoma. However, the exact functions of circRNAs in osteosarcoma development still need to be clarified. We obtained differentially expressed circRNAs and miRNAs from a GSE99671 data set (GEO database). The gene co-expression network of ceRNAs and osteosarcoma-related genes was analyzed using the STRING database. qRT-PCR was used to detect the expression of circ-03955 and miR-3662. Transwell assays and flow cytometry were performed to detect phenotypic changes in cell function. A xenograft tumor model was established using BALB/c nude mice. Dual luciferase activity and RNA immunoprecipitation assays were performed to assess the relationship between circ-03955, miR-3662, and metadherin (MTDH). Immunohistochemistry, immunofluorescence, and Western blotting were used to assess protein expression levels. Circ-03955 was significantly upregulated, and miR-3662 was downregulated in osteosarcoma. Circ-03955 silencing inhibited the growth and metastasis of osteosarcoma. Mechanism analysis revealed that circ-03955 could bind to miR-3662, and the latter could target MTDH, leading to its suppressed expression and facilitating epithelial-mesenchymal transition (EMT). All these findings demonstrate that the presence of circ-03955 promotes EMT in osteosarcoma by acting as miR-3662 sponge-mediated MTDH expression.
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Affiliation(s)
- Zhengguang Wang
- Department of Orthopaedics, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Mingsi Deng
- Department of Stomatology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Liangjian Chen
- Department of Stomatology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Weiguo Wang
- Department of Orthopaedics, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Gengyan Liu
- Department of Orthopaedics, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Dongbiao Liu
- Department of Orthopaedics, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Zhipeng Han
- Department of Orthopaedics, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Yong Zhou
- Department of Orthopaedics, The Third Xiangya Hospital, Central South University, Changsha, China
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12
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Nguyen YT, Moon JY, Ediriweera MK, Cho SK. Phenethyl Isothiocyanate Suppresses Stemness in the Chemo- and Radio-Resistant Triple-Negative Breast Cancer Cell Line MDA-MB-231/IR Via Downregulation of Metadherin. Cancers (Basel) 2020; 12:E268. [PMID: 31979093 DOI: 10.3390/cancers12020268] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Accepted: 01/20/2020] [Indexed: 02/08/2023] Open
Abstract
Resistance to chemotherapy and radiation therapy is considered a major therapeutic barrier in breast cancer. Cancer stem cells (CSCs) play a prominent role in chemo and radiotherapy resistance. The established chemo and radio-resistant triple-negative breast cancer (TNBC) cell line MDA-MB-231/IR displays greater CSC characteristics than the parental MDA-MB-231 cells. Escalating evidence demonstrates that metadherin (MTDH) is associated with a number of cancer signaling pathways as well as breast cancer therapy resistance, making it an attractive therapeutic target. Kaplan–Meier plot analysis revealed a correlation between higher levels of MTDH and shorter lifetimes in breast cancer and TNBC patients. Moreover, there was a positive correlation between the MTDH and CD44 expression levels in The Cancer Genome Atlas breast cancer database. We demonstrate that MTDH plays a pivotal role in the regulation of stemness in MDA-MB-231/IR cells. Knockdown of MTDH in MDA-MB-231/IR cells resulted in a reduction in the CSC population, aldehyde dehydrogenase activity, and major CSC markers, including β-catenin, CD44+, and Slug. In addition, MTDH knockdown increased reactive oxygen species (ROS) levels in MDA-MB-231/IR cells. We found that phenethyl isothiocyanate (PEITC), a well-known pro-oxidant phytochemical, suppressed stemness in MDA-MB-231/IR cells through ROS modulation via the downregulation of MTDH. Co-treatment of PEITC and N-Acetylcysteine (a ROS scavenger) caused alterations in PEITC induced cell death and CSC markers. Moreover, PEITC regulated MTDH expression at the post-transcriptional level, which was confirmed using cycloheximide, a protein synthesis inhibitor.
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13
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Li B, Zhao J, Zhao Q, Wu D, Zhang C, Zhao K, Song Y, Gao C. MicroRNA-618 Directly Targets Metadherin mRNA To Suppress The Malignant Phenotype Of Osteosarcoma Cells By Reducing PTEN-AKT Pathway Output. Onco Targets Ther 2019; 12:9795-9807. [PMID: 31814737 PMCID: PMC6863364 DOI: 10.2147/ott.s219440] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Accepted: 10/07/2019] [Indexed: 12/20/2022] Open
Abstract
Purpose Dysregulation of microRNA-618 (miR-618) has been observed in multiple types of human cancer. However, whether miR-618 is implicated in osteosarcoma (OS) initiation and progression is still unclear. Hence, we measured the expression of miR-618 in OS tissues and cell lines. In addition, the roles of miR-618 and the mechanisms underlying its activities in OS cells were examined. Methods The expression status of miR-618 in OS was analyzed by reverse-transcription quantitative PCR. The regulatory roles of miR-618 overexpression in OS were explored by the Cell Counting Kit-8 assay, flow-cytometric analysis, Transwell cell migration and invasion assays, and a tumor xenograft experiment. Results The results revealed that the expression of miR-618 was notably lower in OS tissues and cell lines, and that the low miR-618 expression significantly correlated with the clinical stage and distant metastasis among patients with OS. Exogenous miR-618 expression significantly suppressed OS cell proliferation, migration, and invasion and induced apoptosis in vitro as well as slowed tumor growth in vivo. Mechanism investigation indicated that metadherin (MTDH) is a direct target gene of miR-618 in OS cells. A knockdown of MTDH mimicked the tumor-suppressive effects of miR-618 upregulation on OS cells. Notably, resumption of MTDH expression attenuated the miR-618–mediated reduction in OS cell growth and metastasis in vitro. In addition, miR-618 overexpression reduced the PTEN–AKT pathway output in OS cells both in vitro and in vivo through downregulation of MTDH. Conclusion To the best of our knowledge, this is the first study to show that miR-618 exerts crucial tumor-suppressive actions in OS pathogenesis by directly targeting MTDH mRNA and reducing PTEN–AKT pathway output. These results will help to elucidate the functions of miR-618 in OS and suggest that this miRNA may be investigated as a therapeutic target in this disease.
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Affiliation(s)
- Bohan Li
- Health Management Center, The Second Hospital of Shandong University, Shandong 250033, People's Republic of China
| | - Jie Zhao
- Department of Spine Surgery, The Second Hospital of Shandong University, Shandong 250033, People's Republic of China
| | - Qian Zhao
- Jinan Central Hospital, The Affiliated Hospital of Shandong University, Shandong 250013, People's Republic of China
| | - Dongjin Wu
- Department of Spine Surgery, The Second Hospital of Shandong University, Shandong 250033, People's Republic of China
| | - Cheng Zhang
- Department of Spine Surgery, The Second Hospital of Shandong University, Shandong 250033, People's Republic of China
| | - Kun Zhao
- Department of Spine Surgery, The Second Hospital of Shandong University, Shandong 250033, People's Republic of China
| | - Yang Song
- Department of Spine Surgery, The Second Hospital of Shandong University, Shandong 250033, People's Republic of China
| | - Chunzheng Gao
- Department of Spine Surgery, The Second Hospital of Shandong University, Shandong 250033, People's Republic of China
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14
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Feng D, Yu X, Tian X, Meng H, Jiang Y, Song H, Li W, Zhang H, Geng J. Metadherin Promotes Malignant Phenotypes And Induces Beta-Catenin Nuclear Translocation And Epithelial-Mesenchymal Transition In Gastric Cancer. Cancer Manag Res 2019; 11:8911-8921. [PMID: 31632151 PMCID: PMC6792945 DOI: 10.2147/cmar.s221422] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Accepted: 09/29/2019] [Indexed: 01/09/2023] Open
Abstract
Purpose Metadherin (MTDH), as an oncogene, is associated with metastasis and poor prognosis. This study investigated MTDH expressions and development of gastric cancer (GC) cell phenotypes and the contribution of MTDH to epithelial–mesenchymal transition (EMT). Patients and methods MTDH expression was assayed in human GC cell lines and tumor tissue from 92 GC patients. Functional experiments were performed to characterize MTDH activity. Expressions of EMT-related proteins (vimentin and E-cadherin), phosphorylated β-catenin and β-catenin were assayed by immunohistochemistry, Western blotting, immunofluorescence, and co-immunoprecipitation, respectively. Results MTDH expressions were higher in GC tissue than that in gastric mucosa from the same patient. MTDH overexpression was correlated with metastasis and enhanced malignant GC phenotypes, i.e., proliferation, migration, invasiveness, and chemoresistance. MTDH overexpression was associated with expressions of vimentin, E-cadherin and cancer stem-cell biomarkers including CD44, CD133, and Oct4. MTDH complexed with β-catenin and decreased phosphorylated β-catenin levels to facilitate β-catenin translocation into the nucleus and expressions of downstream genes. Conclusion MTDH overexpression in GC cells is associated with EMT and development of cancer stem cell malignant phenotypes and affects the subcellular translocation of β-catenin. The results warrant investigation of the prognostic value of MTDH in GC and as a therapeutic target.
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Affiliation(s)
- Di Feng
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, People's Republic of China
| | - Xiaoyu Yu
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, People's Republic of China
| | - Xing Tian
- Department of Microbiology and Center of Infectious Disease, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, People's Republic of China
| | - Hongxue Meng
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, People's Republic of China
| | - Yang Jiang
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, People's Republic of China
| | - HongTao Song
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, People's Republic of China
| | - WenQi Li
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, People's Republic of China
| | - HaoCheng Zhang
- Department of Pharmacy, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150070, People's Republic of China
| | - Jingshu Geng
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, People's Republic of China
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15
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Li T, Li Y, Sun H. MicroRNA-876 is sponged by long noncoding RNA LINC00707 and directly targets metadherin to inhibit breast cancer malignancy. Cancer Manag Res 2019; 11:5255-5269. [PMID: 31239777 PMCID: PMC6559252 DOI: 10.2147/cmar.s210845] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Accepted: 05/06/2019] [Indexed: 12/13/2022] Open
Abstract
Background: MicroRNA-876-5p (miR-876) dysregulation contributes to the aggressiveness of various types of human cancer. This study was aimed at measuring miR-876 expression in breast cancer, determining the specific roles of miR-876 in the progression of breast cancer and understanding the corresponding molecular mechanisms. Materials and methods: miR-876 expression in breast cancer tissues and cell lines was quantified via RT-qPCR. The effect of miR-876 upregulation on the malignant phenotype of breast cancer cells was investigated using CCK-8 assays, flow cytometry, Transwell migration and invasion assays and tumor xenograft experiments. The mechanisms underlying the tumor-suppressive action of miR-876 in breast cancer cells were explored using bioinformatic analysis, luciferase reporter assays, RT-qPCR and Western blot analysis. Results: miR-876 was found to be underexpressed in breast cancer tissues and cell lines. Decreased miR-876 expression notably correlated with lymphatic invasion metastasis, TNM stage and differentiation grade. Overall survival was lower among patients with breast cancer and low miR-876 expression than in patients with high miR-876 expression. Restoration of miR-876 expression decreased breast cancer cell proliferation, migration and invasion in vitro and restricted tumor growth in vivo as well as increased cell apoptosis. Metadherin (MTDH) was identified as a novel target of miR-876 in breast cancer cells. Furthermore, long intergenic nonprotein-coding RNA 707 (LINC00707) acted as a molecular sponge for miR-876, thereby regulating MTDH expression in breast cancer. Finally, silencing miR-876 expression attenuated the influence of a LINC00707 knockdown on the malignancy of breast cancer cells. Conclusion: This study, thus, revealed the vital functions of the LINC00707–miR-876–MTDH pathway in breast cancer and provided attractive targets and markers for its treatment.
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Affiliation(s)
- Tong Li
- Department of General Surgery, The Fourth People's Hospital of Jinan, Jinan, Shandong 250031, People's Republic of China
| | - Yunpeng Li
- Department of General Surgery, Ningjin County People's Hospital, Ningjin, Shandong 253400, People's Republic of China
| | - Hongyan Sun
- Department of General Surgery, The Fourth People's Hospital of Jinan, Jinan, Shandong 250031, People's Republic of China
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16
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Yang F, Zhang C, Xu C, Fu F, Han D, Li H. MicroRNA-559 plays an inhibitory role in the malignant progression of glioblastoma cells by directly targeting metadherin. Onco Targets Ther 2019; 12:4415-4426. [PMID: 31239710 PMCID: PMC6556469 DOI: 10.2147/ott.s202309] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 03/18/2019] [Indexed: 12/25/2022] Open
Abstract
Purpose: Several microRNAs (miRNAs) that are aberrantly expressed in glioblastoma multiforme (GBM) play a significant role in GBM formation and progression. The expression profile and functions of miR-559 in GBM remain unclear. Here, we quantified the expression and investigated the involvement of miR-559 in the oncogenicity of GBM cells in vitro and in vivo. Material and methods: Reverse-transcription quantitative polymerase chain reaction (RT-qPCR) was carried out to determine miR-559 expression in GBM tissues and cell lines. A series of functional assays was performed to evaluate the effects of miR-559 overexpression on GBM cell proliferation, apoptosis, migration, and invasion in vitro and on GBM tumor growth in vivo. The regulatory mechanisms of miR-559 action in GBM cells were then explored. Results: The expression of miR‑559 was lower in GBM tissues and cell lines and significantly correlated with the Karnofsky performance score and tumor size among patients with GBM. Exogenous miR‑559 expression inhibited GBM cell proliferation, migration, and invasion and promoted apoptosis. MiR-559 overexpression decreased tumor growth in vivo. Mechanistic experiments confirmed metadherin (MTDH) as a direct target gene of miR-559 in GBM. Silencing of MTDH induced effects similar to those of miR-559 upregulation in GBM cells, whereas MTDH expression restoration attenuated the antitumor effects of miR‑559 in GBM cells. Protein kinase B (AKT) in the phosphatase and tensin homolog (PTEN)–AKT signaling pathway was found to be deactivated in GBM cells after upregulation of miR-559 both in vitro and in vivo. Conclusion: MiR-559 acts as a tumor suppressor in GBM cells in vitro and in vivo, at least in part through the downregulation of MTDH and inhibition of AKT in the PTEN–AKT pathway. Therefore, targeting the miR-559–MTDH axis may be a promising therapeutic strategy for patients with GBM.
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Affiliation(s)
| | | | - Congbin Xu
- Department of Radiology, The Third People's Hospital of Linyi, Linyi, Shandong 276023, People's Republic of China
| | | | | | - Hongliang Li
- Department of Emergency, The People's Hospital of Linyi East Medical District, Linyi, Shandong 276000, People's Republic of China
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17
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Zhang Z, Qin H, Jiang B, Chen W, Cao W, Zhao X, Yuan H, Qi W, Zhuo D, Guo H. miR-30e-5p suppresses cell proliferation and migration in bladder cancer through regulating metadherin. J Cell Biochem 2019; 120:15924-15932. [PMID: 31069875 DOI: 10.1002/jcb.28866] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Accepted: 04/01/2019] [Indexed: 12/11/2022]
Abstract
Recent studies have suggested that miR-30e-5p is dysregulated in several human carcinomas; however, the mechanism of miR-30e-5p in bladder cancer (BCa) remains unknown. Here, we confirmed that the expression of miR-30e-5p was decreased in human BCa specimens and cell lines by quantitative reverse-transcription polymerase chain reaction (qRT-PCR). Upregulation of miR-30e-5p decreased the proliferation and migration in T24 and UM-UC-3 cells. Metadherin (MTDH) was a potential target for miR-30e-5p through bioinformatics analysis. Dual-luciferase assays were conducted to validate the interaction between miR-30e-5p and MTDH, which demonstrates that the relative luciferase activity was significantly downregulated after transfected miR-30e-5p mimic compared with control mimic in 293T cells. We also detected that whether silencing of MTDH by using small interfering(si)-MTDH matched effects caused by miR-30e-5p overexpression in BCa cells lines by Cell Counting Kit-8 (CCK-8), colony formation, and transwell assay, and we found the effects of silencing of MTDH same as miR-30e-5p overexpression. Furthermore, we verified that the restoration of MTDH in miR-30e-5p-overexpressed BCa cells rescued the inhibitory effects of miR-30e-5p. In conclusion, these results demonstrated that miR-30e-5p may inhibit BCa cells growth and invasiveness by targeting MTDH and may be a promising therapeutic agent for treating clinical BCa patients.
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Affiliation(s)
- Zhenxing Zhang
- Department of Urology, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China.,Department of Urology, The First Affiliated Hospital of Wannan Medical College, Wuhu, Anhui, People's Republic of China
| | - Haixiang Qin
- Department of Urology, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Bo Jiang
- Department of Urology, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Wei Chen
- Department of Urology, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Wenmin Cao
- Department of Urology, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Xiaozhi Zhao
- Department of Urology, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Hui Yuan
- Department of Urology, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Wei Qi
- Department of Urology, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Dong Zhuo
- Department of Urology, The First Affiliated Hospital of Wannan Medical College, Wuhu, Anhui, People's Republic of China
| | - Hongqian Guo
- Department of Urology, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
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18
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Dhiman G, Srivastava N, Goyal M, Rakha E, Lothion-Roy J, Mongan NP, Miftakhova RR, Khaiboullina SF, Rizvanov AA, Baranwal M. Metadherin: A Therapeutic Target in Multiple Cancers. Front Oncol 2019; 9:349. [PMID: 31131259 PMCID: PMC6509227 DOI: 10.3389/fonc.2019.00349] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Accepted: 04/15/2019] [Indexed: 12/24/2022] Open
Abstract
Altered expression of many genes and proteins is essential for cancer development and progression. Recently, the affected expression of metadherin (MTDH), also known as AEG-1 (Astrocyte Elevated Gene 1) and Lyric, has been implicated in various aspects of cancer progression and metastasis. Elevated expression of MTDH/AEG-1 has been reported in many cancers including breast, prostate, liver, and esophageal cancers, whereas its expression is low or absent in non-malignant tissues. These expression studies suggest that MTDH may represent a potential tumor associated antigen. MTDH also regulates multiple signaling pathways including PI3K/Akt, NF-κB, Wnt/β-catenin, and MAPK which cooperate to promote the tumorigenic and metastatic potential of transformed cells. Several microRNA have also been found to be associated with the increased MTDH expression in different cancers. Increased MTDH levels were linked to the tumor chemoresistance making it an attractive novel therapeutic target. In this review, we summarize data on MTDH function in various cancers.
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Affiliation(s)
- Gourav Dhiman
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala, India
| | - Neha Srivastava
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala, India
| | - Mehendi Goyal
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala, India
| | - Emad Rakha
- Faculty of Medicine and Health Sciences, School of Medicine, University of Nottingham, Nottingham, United Kingdom
| | - Jennifer Lothion-Roy
- Faculty of Medicine and Health Sciences, School of Veterinary Medicine and Science, University of Nottingham, Nottingham, United Kingdom
| | - Nigel P Mongan
- Faculty of Medicine and Health Sciences, School of Veterinary Medicine and Science, University of Nottingham, Nottingham, United Kingdom
| | - Regina R Miftakhova
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
| | - Svetlana F Khaiboullina
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia.,Department of Microbiology and Immunology, University of Nevada, Reno, NV, United States
| | - Albert A Rizvanov
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
| | - Manoj Baranwal
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala, India
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19
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Pan D, Jia Z, Li W, Dou Z. The targeting of MTDH by miR‑145‑5p or miR‑145‑3p is associated with prognosis and regulates the growth and metastasis of prostate cancer cells. Int J Oncol 2019; 54:1955-1968. [PMID: 31081051 PMCID: PMC6521930 DOI: 10.3892/ijo.2019.4782] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Accepted: 03/01/2019] [Indexed: 01/13/2023] Open
Abstract
Studies have rarely been conducted on the role of miRNAs in prostate cancer (PCa) cell progression by directly targeting MTDH, at least to the best of our knowledge. Thus, the present study aimed to identify miRNAs closely related with metadherin (MTDH) and to determine their roles in PCa. For this purpose, the expression levels of MTDH in PCa tissues and cell lines were examined by RT‑qPCR, immunohistochemistry and western blot analysis. By cell transfection, MTDH was either overexpressed in the normal prostate epithelial cell lines or silenced in tumor cell lines to determine cell viability, invasion and migration. Bioinformatics analysis, RT‑qPCR, western blot analysis, dual‑luciferase reporter assay and MTT assay were performed to identify direct the target of MTDH and to examine tumor cell viability. Rescue experiments using the PC‑3 and LNCaP cells were carried out by MTT assay, scratch wound assay, Transwell assay, RT‑qPCR and western blot analysis. Experiments were also conducted using 46 PCa human cancer and adjacent tissues, as wells as on 501 cases of PCa from the TCGA database. It was confirmed that the overexpression of MTDH was associated with a poor prognosis of patients. The overexpression of MTDH was found to promote the viability, invasion and migration of PCa cells. miR‑145‑5p and miR‑145‑3p identified from 16 miRNAs were found to be closely related to PCa and to be the targets of MTDH. Both these miRNAs were found to significantly suppress the growth and metastasis of PCa cells by negatively regulating the expression of MTDH. On the whole, the findings of this study demonstrate that MTDH functions as an oncogene in PCa and the inhibition of MTDH by miR‑145‑5p or miR‑145‑3p suppressed the growth and metastasis of PCa cells. The miR‑145‑5p/MTDH and miR‑145‑3p/MTDH pathways may thus become novel treatment targets for PCa.
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Affiliation(s)
| | | | | | - Zhongling Dou
- Correspondence to: Dr Zhongling Dou, Department of Urology Surgery, The First Affiliated Hospital and College of Clinical Medicine of Henan University of Science and Technology, 24 Jinghua Road, Jianxi, Luoyang, Henan 471003, P.R. China, E-mail:
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20
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Zhang L, Li C, Cao L, Li H, Zou H, Li H, Pei H. microRNA-877 inhibits malignant progression of colorectal cancer by directly targeting MTDH and regulating the PTEN/Akt pathway. Cancer Manag Res 2019; 11:2769-2781. [PMID: 31114332 PMCID: PMC6497869 DOI: 10.2147/cmar.s194073] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Accepted: 02/15/2019] [Indexed: 12/13/2022] Open
Abstract
Background: Recently, microRNA-877-5p (miR-877) was recognized as a cancer-associated miRNA in hepatocellular and renal cell carcinomas. However, little is known regarding its expression pattern and role in colorectal cancer (CRC) tumorigenesis. Material and methods: In the present study, reverse-transcription quantitative polymerase chain reaction was performed to detect miR-877 expression in CRC tissues and cell lines. A series of functional experiments were used to determine the effects of miR-877 upregulation on CRC cell proliferation, colony formation, apoptosis, migration, and invasion. In addition, the regulatory role of miR-877 in tumor growth was examined in vivo using a xenograft experiment. More importantly, the mechanisms underlying the action of miR-877 in CRC were explored. Results: A significant decrease in the expression of miR-877 was observed in CRC tissues and cell lines. Low miR-877 expression correlated with lymph node metastasis and TNM stage of CRC patients. Functional experiments revealed that ectopic expression of miR-877 suppressed CRC cell proliferation and colony formation ability, induced cell apoptosis, inhibited cell migration and invasion in vitro, and reduced tumor growth in vivo. Metadherin (MTDH) was recognized as a direct target of miR-877 in CRC cells. It was notably overexpressed in CRC tissues, and its expression was inversely correlated with that of miR-877 expression. Furthermore, MTDH knockdown simulated the tumor suppressor activity of miR-877 in CRC cells. MTDH restoration impaired the suppressive effects of miR-877 on malignant phenotypes of CRC cells. In addition, miR-877 inhibited the activation of the PTEN/Akt signaling pathway by regulating MTDH expression both in vitro and in vivo. Conclusion: Collectively, these results demonstrate that miR-877 inhibits the progression of CRC, at least partly by the direct targeting of MTDH and regulation of the PTEN/Akt pathway. Thus, miR-877 may serve as a potential therapeutic target for the treatment of patients with CRC.
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Affiliation(s)
- Lunqiang Zhang
- Department of Gastrointestinal Surgery, Xiangya Hospital, Central South University, Hunan 410008, People's Republic of China
| | - Chenglong Li
- Department of Gastrointestinal Surgery, Xiangya Hospital, Central South University, Hunan 410008, People's Republic of China
| | - Lijun Cao
- Department of Anesthesiology, The Second Xiangya Hospital of Central South University, Hunan 410011, People's Republic of China
| | - Hui Li
- Department of Anesthesiology, The Second Xiangya Hospital of Central South University, Hunan 410011, People's Republic of China
| | - Haiding Zou
- Department of Anesthesiology, The Second Xiangya Hospital of Central South University, Hunan 410011, People's Republic of China
| | - Hongqin Li
- Department of Anesthesiology, The Second Xiangya Hospital of Central South University, Hunan 410011, People's Republic of China
| | - Haiping Pei
- Department of Gastrointestinal Surgery, Xiangya Hospital, Central South University, Hunan 410008, People's Republic of China
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Guo R, Jin X, Tian Y, Huang X, Li Z, Yang J. [Calcium channel blocker diltizem transiently inhibits migration and up-regulates metadherin expression in hepatocellular carcinoma cells in vitro]. Nan Fang Yi Ke Da Xue Xue Bao 2019; 39:298-303. [PMID: 31068314 DOI: 10.12122/j.issn.1673-4254.2019.03.07] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To investigate the effect of calcium channel blocker diltizem in reversing multi-drug resistance (MDR) and on metadherin expression in hepatocellular carcinoma cells and explore the molecular mechanism. METHODS Hepatocellular carcinoma MHCC97H and 7402 cells were treated with diltiazem hydrochloride, a calcium channel blocker (0, 25, 50, 100, 200, and 400 μmol/L), for 12, 24, or 48 h. Wound healing assay was employed to assess the changes in the mobility and migration of the cells following the treatments, and the changes in the expression levels of metadherin mRNA and protein and P-gp protein were determined using RT-PCR and immunocytochemistry. RESULTS Diltiazem hydrochloride could transiently inhibit the migration and movement of MHCC97H and 7402 cells in vitro in a time-and concentration-dependent manner (P < 0.05). Diltiazem hydrochloride at different concentrations also transiently up-regulated the expressions of metadherin mRNA and protein but did not inhibit the expression of P-gp protein in MHCC97H and 7402 cells. CONCLUSIONS Calcium channel blocker can transiently inhibit the migration of hepatocellular carcinoma cells in vitro and up-regulate the expression of metadherin mRNA and protein through a feedback mechanism, suggesting the potential risk of calcium channel blockers for promoting tumor progression during the treatment of malignant tumors.
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Affiliation(s)
- Rui Guo
- Department of Pathology, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Xueyuan Jin
- Department of Pathology, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Yi Tian
- Department of Pathology, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Xiaozhong Huang
- Department of Pathology, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Zongfang Li
- National & Local Joint Engineering Research Center of Biodiagnostics and Biotherapy, Xi'an 710004, China
| | - Jun Yang
- Department of Pathology, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China.,National & Local Joint Engineering Research Center of Biodiagnostics and Biotherapy, Xi'an 710004, China
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Zhu YZ, Zhou K, Ruan LL, Sun F, Wang G, Li WF. Metadherin overexpression in perihilar cholangiocarcinoma is associated with lymph node metastasis and poor prognosis. Oncol Lett 2019; 17:4514-4520. [PMID: 30988817 PMCID: PMC6447862 DOI: 10.3892/ol.2019.10141] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2018] [Accepted: 01/22/2019] [Indexed: 12/17/2022] Open
Abstract
Metadherin (MTDH) is a protein that is also named astrocyte elevated gene-1, and is highly expressed in a number of different tumor tissues. Although the expression of MTDH is associated with tumor invasion and recurrence, the expression of this protein in perihilar cholangiocarcinoma (PCCA) and its clinical use have not yet been investigated. In the present study, the expression of MTDH in patients with PCCA was investigated in order to determine its clinicopathological use. An immunohistochemical method was used to detect MTDH expression and the epithelial-mesenchymal transition markers E-cadherin and vimentin in 66 cases of PCCA. In addition to the expression of MTDH, the clinical and pathological data and the postoperative outcomes were analyzed. The MTDH positive expression rate was 48.5% (32/66) in PCCA. A significantly higher MTDH expression level was identified in the poor tumor differentiation group compared with the well differentiation group (P=0.007). In the positive lymph node metastasis group, a significantly higher MTDH expression level was revealed compared with the negative lymph node metastasis group (P=0.023). No association was noted with regard to the expression of MTDH and the variables age, sex, tumor diameter, tumor grade and tumor classification stage. Positive MTDH expression was significantly associated with high vimentin expression (P=0.037) compared with negative vimentin expression and inversely associated with positive E-cadherin expression compared with negative E-cadherin expression (P=0.030). Survival analysis suggested that the high MTDH expression group was associated with a worse overall survival (OS) rate and recurrence free survival (RFS) rate compared with the low MTDH expression group (P<0.001 and P=0.01, respectively). Cox regression analysis indicated that the Tumor-Node-Metastasis, surgery margin and high MTDH expression were independent OS and RFS factors for PCCA. MTDH expression may serve an important function in PCCA tumor growth and metastasis. Targeting MTDH may have important therapeutic applications for patients with PCCA.
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Affiliation(s)
- Yan-Zhi Zhu
- Department of General Surgery, Taihe Hospital Affiliated with Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
| | - Ke Zhou
- Department of General Surgery, Taihe Hospital Affiliated with Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
| | - Lin-Lin Ruan
- Department of Pathology, Taihe Hospital Affiliated with Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
| | - Fu Sun
- Department of Pathology, First Affiliated Hospital of Xi'an Medical University, Xi'an, Shanxi 710000, P.R. China
| | - Gen Wang
- Department of General Surgery, Taihe Hospital Affiliated with Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
| | - Wen-Fang Li
- Department of General Surgery, Taihe Hospital Affiliated with Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
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23
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替米沙坦抑制单侧输尿管梗阻小鼠肾脏Mtdh表达而减轻肾脏纤维化. Nan Fang Yi Ke Da Xue Xue Bao 2019; 39. [PMID: 30890502 DOI: 10.12122/j.issn.1673-4254.2019.02.05] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
OBJECTIVE To explore the effect of telmisartan on the expression of metadherin in the kidney of mice with unilateral ureter obstruction. METHODS Eighteen male C57 mice were randomized into sham-operated group, model group and telmisartan treatment group. In the latter two groups, renal interstitial fibrosis as the result of unilateral ureter obstruction (UUO) was induced by unilateral ureteral ligation with or without telmisartan intervention. Renal pathological changes of the mice were assessed using Masson staining, and immunohistochemistry and Western blotting were used to detect the expression of extracellular matrix proteins and metadherin in the kidney of the mice. In the in vitro experiment, cultured mouse renal tubular epithelial cells (mTECs) were stimulated with transforming growth factor-β1 (TGF-β1) and transfected with a siRNA targeting metadherin, and the changes in the expressions of extracellular matrix proteins and metadherin were detected using Western blotting. RESULTS The expressions of extracellular matrix proteins and metadherin increased significantly in the kidney of mice with UUO (P < 0.05). Intervention with telmisartan significantly lowered the expressions of extracellular matrix proteins and metadherin and alleviated the pathology of renal fibrosis in mice with UUO (P < 0.05). In cultured mTECs, siRNA-mediated knockdown of metadherin obviously reversed TGF-β1-induced increase in the expressions of extracellular matrix proteins and metadherin. CONCLUSIONS Telmisartan can suppress the production of extracellular matrix proteins and the expression of metadhein to attenuate UUO-induced renal fibrosis in mice.
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Abstract
Objective MicroRNA-384 (miR-384) has been reported to function as a tumor suppressor in multiple cancers; however, its role in gastric cancer (GC) remains unclear. Methods We measured expression levels of miR-384 in GC cell lines and in a normal gastric cell line (GES-1). The association between miR-384 and the metadherin gene (MTDH) was assessed by luciferase reporter assay and western blot. The effects of the miR-384/MTDH axis on GC cell behaviors were measured by CCK-8, wound-healing, and transwell invasion assays. Results miR-384 was significantly downregulated in GC cell lines compared with normal gastric cells. MTDH was identified as a direct target of miR-384 by bioinformatics analysis, luciferase assay, and western blot. Functional assays demonstrated that miR-384 inhibited GC cell proliferation, migration, and invasion through targeting MTDH. Conclusion These results reveal that miR-384 acts as a tumor suppressor in GC and suggest that the miR-384/MTDH axis may be a potential therapeutic target for GC.
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Affiliation(s)
- Fang Wang
- Nursing Department, Second People's Hospital Affiliated to Fujian University of Traditional Chinese Medicine, Gulou District, Fuzhou, P. R. China
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25
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Jin H, Shi X, Zhao Y, Peng M, Kong Y, Qin D, Lv X. MicroRNA-30a Mediates Cell Migration and Invasion by Targeting Metadherin in Colorectal Cancer. Technol Cancer Res Treat 2018; 17:1533033818758108. [PMID: 29478367 PMCID: PMC5833214 DOI: 10.1177/1533033818758108] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
MicroRNAs play critical roles in the occurrence and progression in various cancers including colorectal cancer. Here, we found that microRNA-30a expression was significantly downregulated in colorectal cancer tissues compared to adjacent noncancerous tissues, and the suppression levels of microRNA-30a were significantly associated with tumor differentiation and lymph node metastasis. We also discovered that the expression level of microRNA-30a was inversely proportional to the invasive potential of several colorectal cancer cell lines. Moreover, overexpression of microRNA-30a in colorectal cancer cells inhibited activity of cell migration and invasion. Luciferase reporter assay confirmed metadherin could be a direct target of microRNA-30a, as the overexpression of microRNA-30a decreased metadherin expression at both the protein and messenger RNA levels. Furthermore, the knockdown of metadherin expression in SW620 significantly decreased cell metastasis and invasion. The upregulation of metadherin at the protein level negatively correlated with the expression of microRNA-30a in colorectal cancer tissues, and this upregulation could partially attenuate the effect induced by microRNA-30a. These findings indicate that microRNA-30a may act as a tumor suppressor in colorectal cancer and that microRNA-30a represses cell migration and invasion by decreasing metadherin, highlighting the therapeutic potential of microRNA-30a and metadherin in colorectal cancer treatment.
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Affiliation(s)
- Huifang Jin
- 1 Department of Blood Transfusion, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Xiaoqing Shi
- 2 Department of Clinical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Yanteng Zhao
- 1 Department of Blood Transfusion, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Mengle Peng
- 3 Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Yongkui Kong
- 1 Department of Blood Transfusion, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Dongchun Qin
- 2 Department of Clinical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Xianping Lv
- 1 Department of Blood Transfusion, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
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Abstract
We and others recently identified the gene metadherin (MTDH) as a functional driver in multiple aspects of cancer progression. It is overexpressed in cancer cells originating from a variety of tissues, partially due to DNA amplification of the chromosomal 8q22 region where this gene resides. The rapidly accumulated data from MTDH studies of the past several years have documented its role in tumorigenesis, angiogenesis, cell proliferation, survival, anchorage-independent growth, metastasis and chemoresistance. In particular, it simultaneously helps the primary tumor cells to survive conventional chemotherapy and spread to distant organs, both of which are major contributors to cancer therapy failure and ultimately patient death. The efforts to elucidate the molecular mechanism of MTDH functions led to observations indicating its involvement in several prominent cancer-related signaling pathways including Ras, c-Myc, PI3K/AKT, NF-κB, Wnt/β-catenin, and more recently, microRNA machinery. Herein we will briefly summarize the studies that establish MTDH as a promising target for cancer therapeutics.
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Affiliation(s)
- Yajun Liang
- The Key Laboratory of Stem Cell Biology, Institute of Health Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai JiaoTong University School of Medicine, Shanghai, China
| | - Da Fu
- The Key Laboratory of Stem Cell Biology, Institute of Health Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai JiaoTong University School of Medicine, Shanghai, China
| | - Guohong Hu
- The Key Laboratory of Stem Cell Biology, Institute of Health Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai JiaoTong University School of Medicine, Shanghai, China
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Yu C, Liu Y, Qin Z. Metadherin contributes to epithelial-mesenchymal transition and paclitaxel resistance induced by acidic extracellular pH in nasopharyngeal carcinoma. Oncol Lett 2018; 15:3858-3863. [PMID: 29456735 DOI: 10.3892/ol.2018.7760] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2016] [Accepted: 11/16/2017] [Indexed: 12/14/2022] Open
Abstract
Paclitaxel resistance is a challenge to the treatment of nasopharyngeal carcinoma (NPC). An acidic extracellular pH (pHe), a hallmark of solid tumors, is demonstrated to decrease the efficacy of chemotherapy. However, the precise function of acidic pHe in mediating chemotherapy in NPC remains unknown. In the present study, acidic pHe significantly decreased the cytotoxicity of paclitaxel in NPC cells. In addition, epithelial-mesenchymal transition (EMT)-like changes were observed in NPC cells cultured at acidic pHe. Metadherin (MTDH), a novel oncogene, is expressed in multiple types of solid tumor, and is associated with several malignant cell characteristics, including malignant cell transformation, proliferation, angiogenesis, chemoresistance, invasion and metastasis. In the present study, MTDH expression was increased in NPC cells that had been cultured at an acidic pHe. Furthermore, the silencing of MTDH expression reversed EMT molecular marker expression and sensitized NPC cells to paclitaxel. Taken together, the results of the present study provide evidence to support an association between acidic pHe-induced paclitaxel resistance and MTDH-mediated EMT in NPC cells. Thus, targeting MTDH may provide a novel strategy for overcoming chemoresistance in NPC therapy.
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Affiliation(s)
- Changyun Yu
- Department of Otolaryngology Head and Neck Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450000, P.R. China
| | - Yong Liu
- Department of Otolaryngology Head and Neck Surgery, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Zhaobing Qin
- Department of Otolaryngology Head and Neck Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450000, P.R. China
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Zhang Y, Wang Y, Wang J. MicroRNA-584 inhibits cell proliferation and invasion in non-small cell lung cancer by directly targeting MTDH. Exp Ther Med 2017; 15:2203-2211. [PMID: 29434826 DOI: 10.3892/etm.2017.5624] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Accepted: 11/21/2017] [Indexed: 12/14/2022] Open
Abstract
Lung cancer is the third most frequent human malignant tumour and the leading cause of cancer-associated mortality worldwide. Emerging lines of evidence have demonstrated that microRNAs (miRNAs) are upregulated or downregulated in non-small cell lung cancer (NSCLC), and this phenomenon is involved in the regulation of various processes during tumorigenesis and progression, including tumour groWTh, apoptosis, cell invasion, and tumour metastasis. Therefore, understanding the molecular mechanism that associates abnormally expressed miRNAs with NSCLC formation and development may lead to the identification of novel diagnostic, and therapeutic targets for patients with NSCLC. miRNA-584 (miR-584) functions as a tumour suppressor in several types of cancer. However, the expression pattern, detailed biological function and underlying molecular mechanism of miR-584 in NSCLC remain unclear. Therefore, the present study detected the expression of miR-584 in NSCLC, investigated its role in NSCLC cells and determined its underlying molecular mechanism. In the current study, it was demonstrated that miR-584 was downregulated in NSCLC tissues and cell lines. Low miR-584 expression was correlated with tumour size, tumour node metastasis stage and distant metastasis. Overexpression of miR-584 inhibited cell proliferation and invasion in NSCLC. Additionally, metadherin was identified as a direct target gene of miR-584 in NSCLC as confirmed by a series of experiments. Moreover, upregulation of miR-584 was involved in the regulation of the phosphatase and tensin homolog/Akt serine/threonine kinase signalling pathway in NSCLC. Thus, miR-584 may serve as a tumor-suppressor, and the results of the present study provide a reference for future research into the potential mechanisms underlying NSCLC progression.
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Affiliation(s)
- Yixiang Zhang
- Department of Thoracic Surgery, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, P.R. China
| | - Yanjun Wang
- Department of Thoracic Surgery, Dalian University Affiliated Xinhua Hospital, Dalian, Liaoning 116011, P.R. China
| | - Jinguang Wang
- Department of Thoracic Surgery, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, P.R. China
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Qiao W, Cao N, Yang L. MicroRNA-154 inhibits the growth and metastasis of gastric cancer cells by directly targeting MTDH. Oncol Lett 2017; 14:3268-3274. [PMID: 28927076 PMCID: PMC5588056 DOI: 10.3892/ol.2017.6558] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Accepted: 02/03/2017] [Indexed: 11/06/2022] Open
Abstract
MicroRNAs (miRNAs) are a group of non-protein-coding, highly conserved single-stranded RNA molecules. The abnormal expression of miRNAs has been demonstrated to have an important function in the carcinogenesis and progression of gastric cancer. microRNA-154 (miR-154) has been reported to be downregulated in non-small cell lung, colorectal and prostate cancer. However, the expression and roles of miR-154 in gastric cancer remain to be established. The present study measured the expression levels of miR-154 in gastric cancer tissues and cell lines. miR-154 was found to be significantly downregulated in gastric cancer tissues and cell lines. In addition, functional studies indicated that the overexpression of miR-154 inhibited the proliferation, migration and invasion of gastric cancer cells. Using TargetScan, a dual luciferase reporter assay, reverse transcription-quantitative polymerase chain reaction and western blot analysis, metadherin (MTDH) was revealed as a novel miR-154 target. In addition, knocking down MTDH lead to a similar effect as overexpressing-154 in gastric cells. The present findings indicate that miR-154 was downregulated in gastric cancer, and inhibited tumor behaviors of gastric cancer cells partially through the downregulation of MTDH. Therefore, the miR-154/MTDH axis may be a novel therapeutic to treat patients with gastric cancer.
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Affiliation(s)
- Wenhui Qiao
- Department of General Surgery, The First Hospital of Lanzhou University, Chengguan, Lanzhou, Gansu 730000, P.R. China,Correspondence to: Professor Wenhui Qiao, Department of General Surgery, The First Hospital of Lanzhou University. 1 Donggang Dong Road, Chengguan, Lanzhou, Gansu 730000, P.R. China, E-mail:
| | - Nong Cao
- Department of General Surgery, The First Hospital of Lanzhou University, Chengguan, Lanzhou, Gansu 730000, P.R. China
| | - Lei Yang
- Department of General Surgery, The First Hospital of Lanzhou University, Chengguan, Lanzhou, Gansu 730000, P.R. China
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Suzuki K, Takano S, Yoshitomi H, Nishino H, Kagawa S, Shimizu H, Furukawa K, Miyazaki M, Ohtsuka M. Metadherin promotes metastasis by supporting putative cancer stem cell properties and epithelial plasticity in pancreatic cancer. Oncotarget 2017; 8:66098-66111. [PMID: 29029495 PMCID: PMC5630395 DOI: 10.18632/oncotarget.19802] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Accepted: 07/12/2017] [Indexed: 12/31/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) has a high metastatic potential. However, the mechanism of metastatic colonization in PDAC remains poorly understood. Metadherin (MTDH) has emerged in recent years as a crucial mediator of metastasis in several cancer types, although the biological role of MTDH in PDAC has not been investigated. Here, we demonstrated the functional roles of MTDH in PDAC progression, especially focusing on the metastatic cascade. In vitro studies showed that MTDH provides cancer stem cell (CSC) properties in metastatic PDAC cells and contributes to anoikis resistance with epithelial characteristics in PDAC cells. We also performed in vivo studies using both orthotopic transplantation and intra-portal vein injection as experimental models of liver metastasis to examine the function of MTDH at the metastatic site. MTDH knockdown dramatically reduced the incidence of liver metastases along with epithelial features in both experimental mouse models. Collectively, MTDH facilitates metastatic colonization with putative CSC and epithelial properties in PDAC cells. PDAC cells were transiently treated with TGF-β1 to investigate the roles of MTDH on epithelial plasticity. Intriguingly, MTDH expression was negatively correlated with Twist1 expression during the Mesenchymal-Epithelial transition (MET) induction in metastatic PDAC cells. These results suggest that MTDH may contribute to MET induction via downregulation of Twsit1. Lastly, immunohistochemistry indicated that MTDH overexpression is closely associated with hematogenous metastasis and predicts poor prognosis in patients with PDAC. This is the first demonstration of MTDH function in PDAC metastatic colonization. Our data suggest that MTDH targeting therapy could be applied to control PDAC metastasis.
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Affiliation(s)
- Kensuke Suzuki
- Department of General Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Shigetsugu Takano
- Department of General Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Hideyuki Yoshitomi
- Department of General Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Hitoe Nishino
- Department of General Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Shingo Kagawa
- Department of General Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Hiroaki Shimizu
- Department of General Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Katsunori Furukawa
- Department of General Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Masaru Miyazaki
- Department of General Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Masayuki Ohtsuka
- Department of General Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
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Hu C, Lv L, Peng J, Liu D, Wang X, Zhou Y, Huo J. MicroRNA-375 suppresses esophageal cancer cell growth and invasion by repressing metadherin expression. Oncol Lett 2017; 13:4769-4775. [PMID: 28599478 PMCID: PMC5453002 DOI: 10.3892/ol.2017.6098] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2016] [Accepted: 02/03/2017] [Indexed: 11/08/2022] Open
Abstract
Accumulating evidence indicates that aberrant expression of microRNAs is involved in tumorigenesis, tumor progression and response to therapy. MicroRNA-375 (miR-375) is an important cancer-associated RNA that is downregulated in multiple types of cancer. In the present study, the potential effects of and underlying molecular mechanism for miR-375 in esophageal cancer were investigated. The expression of miR-375 in paired esophageal squamous cell carcinoma (ESCC) and non-tumor tissues from 10 patients was quantified using the reverse transcription-quantitative polymerase chain reaction. The miR-375 levels in the ESCC cell line EC109 and a normal esophageal epithelial cell line, Het-1A, were also detected. The effect of miR-375 on ESCC cell growth and invasion was determined using Cell Counting kit-8, flow cytometry and invasion assays. A luciferase assay was conducted for target identification. The results of the present study revealed that miR-375 was downregulated in ESCC tumor tissue and EC109 cells compared with normal tissue and Het-1A cells (P<0.01). Overexpression of miR-375 inhibited EC109 cell growth and invasion, and induced cell cycle arrest. In addition, metadherin (MTDH) was demonstrated to be a direct target of miR-375 (P<0.01). The overexpression of miR-375 downregulated MTDH (P<0.01), cyclin D1 (P<0.05) and vascular endothelial growth factor (P<0.01) expression, while upregulating epithelial cadherin (P<0.01) expression, which may account for its effect on ESCC cell proliferation and invasion. The results of the present study suggest that the miR-375/MTDH axis represents a target for the treatment of ESCC.
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Affiliation(s)
- Changmei Hu
- Department of Gastroenterology, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, P.R. China
| | - Liang Lv
- Department of Gastroenterology, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, P.R. China
| | - Jie Peng
- Department of Haematology, Xiangya Hospital of Central South University, Changsha, Hunan 410078, P.R. China
| | - Deliang Liu
- Department of Gastroenterology, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, P.R. China
| | - Xuehong Wang
- Department of Gastroenterology, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, P.R. China
| | - Yuqian Zhou
- Department of Gastroenterology, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, P.R. China
| | - Jirong Huo
- Department of Gastroenterology, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, P.R. China
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Li WF, Ou Q, Dai H, Liu CA. Lentiviral-Mediated Short Hairpin RNA Knockdown of MTDH Inhibits Cell Growth and Induces Apoptosis by Regulating the PTEN/AKT Pathway in Hepatocellular Carcinoma. Int J Mol Sci 2015; 16:19419-32. [PMID: 26287185 PMCID: PMC4581304 DOI: 10.3390/ijms160819419] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Accepted: 08/10/2015] [Indexed: 12/19/2022] Open
Abstract
The activation of oncogenes and the loss of tumor suppressor genes are believed to play critical roles in the pathogenesis of human hepatocellular carcinoma (HCC). Metaherin (MTDH), also called astrocyte elevated gene-1 (AEG-1), is frequently amplified in a variety of cancers, but the roles of MTDH with regard to growth and apoptosis in HCC have not yet been studied. In the present study, we first analyzed the expression of MTDH in HCC samples. We found that MTDH protein levels are higher in most HCC cancerous tissues compared with their matched adjacent non-tumor tissues. Additionally, the MTDH mRNA was also higher in HCC tissues compared to their matched adjacent non-tumor tissues. Knockdown of the endogenous MTDH using small interfering RNA further showed that deficiency of MTDH suppressed cell growth and caused apoptosis in HCC cells. Knockdown MTDH promoted PTEN and p53 expression in HCC cells and inhibited AKT phosphorylation. Knockdown MTDH also inhibited tumor growth in vivo. All these results indicated that MTDH protein levels in most HCC tissues are higher than non-tumor tissues, and knockdown of MTDH inhibited growth and induced apoptosis in HCC cells through the activation of PTEN. Therefore, MTDH might be an effective targeted therapy gene for HCC.
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Affiliation(s)
- Wen-Fang Li
- Department of Hepatibiliary Surgery, the Second Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.
| | - Qin Ou
- Department of Cancer Research Center, Hubei Medical University, Shiyan 442000, China.
| | - Hang Dai
- Department of Hepatibiliary Surgery, the Second Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.
| | - Chang-An Liu
- Department of Hepatibiliary Surgery, the Second Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.
- State Key Laboratory of Ultrasound Engineering in Medicine Co-Founded by Chongqing and the Ministry of Science and Technology, Shiyan 442000, China.
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33
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Haug S, Schnerch D, Halbach S, Mastroianni J, Dumit VI, Follo M, Hasenburg A, Köhler M, Dierbach H, Herzog S, Proske A, Werner M, Dengjel J, Brummer T, Laßmann S, Wäsch R, Zeiser R. Metadherin exon 11 skipping variant enhances metastatic spread of ovarian cancer. Int J Cancer 2014; 136:2328-40. [PMID: 25346496 DOI: 10.1002/ijc.29289] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2014] [Accepted: 10/17/2014] [Indexed: 11/12/2022]
Abstract
Metastatic ovarian cancer has a dismal prognosis and current chemotherapeutic approaches have very limited success. Metadherin (MTDH) is expressed in human ovarian cancer tissue and its expression inversely correlates with patients overall survival. Consistent with these studies, we observed MTDH expression in tissue specimens of FIGO Stage III ovarian carcinomas (72/83 cases). However, we also observed this in normal human ovarian epithelial (OE) cells, which raised the question of whether MTDH-variants with functional differences exist. We identified a novel MTDH exon 11 skipping variant (MTDHdel) which was seen at higher levels in ovarian cancer compared to benign OE cells. We analyzed MTDH-binding partner interactions and found that 12 members of the small ribosomal subunit and several mRNA binding proteins bound stronger to MTDHdel than to wildtype MTDH which indicates differential effects on gene translation. Knockdown of MTDH in ovarian cancer cells reduced the amount of distant metastases and improved the survival of ovarian cancer-bearing mice. Selective overexpression of the MTDHdel enhanced murine and human ovarian cancer progression and caused a malignant phenotype in originally benign human OE cells. MTDHdel was detectable in microdissected ovarian cancer cells of some human tissue specimens of ovarian carcinomas. In summary, we have identified a novel MTDH exon 11 skipping variant that shows enhanced binding to small ribosomal subunit members and that caused reduced overall survival of ovarian cancer bearing mice. Based on the findings in the murine system and in human tissues, MTDHdel must be considered a major promalignant factor for ovarian cancer.
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Affiliation(s)
- Stefan Haug
- Department of Hematology and Oncology, Freiburg University Medical Center, University of Freiburg, Germany; Department of Psychiatry and Psychotherapy, Freiburg University Medical Center, University of Freiburg, Germany
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34
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Wang Z, Wei YB, Gao YL, Yan B, Yang JR, Guo Q. Metadherin in prostate, bladder, and kidney cancer: A systematic review. Mol Clin Oncol 2014; 2:1139-1144. [PMID: 25279212 DOI: 10.3892/mco.2014.392] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2014] [Accepted: 08/11/2014] [Indexed: 01/25/2023] Open
Abstract
Metadherin (MTDH) has been identified as an important oncogene in carcinogenesis, tumor progression and metastasis in numerous malignancies, through signal transduction pathways. MTDH is a potential biomarker and therapeutic target in cancers. The present systematic review was performed to search for studies regarding MTDH and prostate, bladder and kidney cancer using several databases and the eligible studies were reviewed. MTDH expression was found to significantly increase in prostate, bladder and kidney cancers, not only in clinical tissue samples, but also in cancer cell lines. Reviewing the clinical and statistical analysis revealed that MTDH may be involved in urologic cancer progression, metastasis and prognosis. MTDH may be an independent or one of the cofactors in urologic cancers for prediction of patient survival, and may be involved in potential anticancer strategies. MTDH may be associated with several signal transduction pathways in urologic cancers, indicating latent targets to develop anticancer therapeutic strategy. Further studies are required to confirm these findings.
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Affiliation(s)
- Zhao Wang
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, P.R. China
| | - Yong-Bao Wei
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, P.R. China
| | - Yun-Liang Gao
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, P.R. China
| | - Bin Yan
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, P.R. China
| | - Jin-Rui Yang
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, P.R. China
| | - Qiong Guo
- Department of Urology, The Third Hospital of Changsha, Changsha, Hunan 410015, P.R. China
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Li PP, Feng LL, Chen N, Lu K, Meng XH, Ge XL, Lv X, Wang X. Metadherin interference inhibits proliferation and enhances chemo-sensitivity to doxorubicin in diffuse large B cell lymphoma. Int J Clin Exp Med 2014; 7:2081-2086. [PMID: 25232390 PMCID: PMC4161550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2014] [Accepted: 07/09/2014] [Indexed: 06/03/2023]
Abstract
Metadherin (MTDH) is highly expressed in many tumors and is involved in the proliferation, metastasis and drug resistance of tumor cells by regulating multiple signaling pathways. Our previous studies demonstrated that MTDH is overexpressed in diffuse large B cell lymphoma (DLBCL) and involved in apoptosis resistance, in part, via Wnt signaling. Here, we investigated the role of MTDH in the chemo-sensitivity of DLBCL. The study was performed in the DLBCL cell line LY8 to investigate the relationship between MTDH expression and doxorubicin (DOX) sensitivity in DLBCL. A MTDH interference model was developed in LY8 cells by transfected with lentivirus which is carrying MTDH interference sequence. Western blot was used to detect the protein expression. A CCK-8 assay was used to evaluate cell proliferation. The results showed that DOX treatment had no effect on the intracellular MTDH expression of LY8 cells. The proliferation of LY8 cells was inhibited after MTDH interference. MTDH interference increased the DOX sensitivity in the LY8 cell lines. The results suggested that MTDH is a potential therapeutic target in DLBCL, and it cooperates with DOX in treatment of DLBCL.
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Affiliation(s)
- Pei-Pei Li
- Department of Hematology, Shandong Provincial Hospital Affiliated to Shandong UniversityJinan 250012, Shandong, China
| | - Li-Li Feng
- Department of Hematology, Shandong Provincial Hospital Affiliated to Shandong UniversityJinan 250012, Shandong, China
| | - Na Chen
- Department of Hematology, Shandong Provincial Hospital Affiliated to Shandong UniversityJinan 250012, Shandong, China
| | - Kang Lu
- Department of Hematology, Shandong Provincial Hospital Affiliated to Shandong UniversityJinan 250012, Shandong, China
| | - Xiao-Hui Meng
- Institute of Diagnostics, School of Medicine, Shandong UniversityJinan 250012, Shandong, China
| | - Xue-Ling Ge
- Department of Hematology, Shandong Provincial Hospital Affiliated to Shandong UniversityJinan 250012, Shandong, China
| | - Xiao Lv
- Department of Hematology, Shandong Provincial Hospital Affiliated to Shandong UniversityJinan 250012, Shandong, China
| | - Xin Wang
- Department of Hematology, Shandong Provincial Hospital Affiliated to Shandong UniversityJinan 250012, Shandong, China
- Institute of Diagnostics, School of Medicine, Shandong UniversityJinan 250012, Shandong, China
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Abstract
Tumor development is initiated by an accumulation of numerous genetic and epigenetic alterations that promote tumor initiation, invasion and metastasis. Astrocyte elevated gene-1 [AEG-1; also known as Metadherin (MTDH) and Lysine-rich CEACAM1 co-isolated (LYRIC)] has emerged in recent years as a potentially crucial mediator of tumor malignancy, and a key converging point of a complex network of oncogenic signaling pathways. AEG-1/MTDH has a multifunctional role in tumor development that has been found to be involved in the following signaling cascades: i) The Ha-Ras and PI3K/Akt pathways; ii) the nuclear factor-κB signaling pathway; iii) the ERK/mitogen-activated protein kinase and Wnt/β-catenin pathways; and iv) the Aurora-A kinase signaling pathway. Studies have established that AEG-1/MTDH is crucial in tumor progression, including transformation, the evasion of apoptosis, invasion, angiogenesis and metastasis. In addition, recent clinical studies have convincingly associated AEG-1/MTDH with tumor progression and poor prognosis in a number of cancer types, including hepatocellular, esophageal squamous cell, gallbladder and renal cell carcinomas, breast, non-small cell lung, prostate, gastric and colorectal cancers, and glioma, melanoma, neuroblastoma and osteosarcoma. AEG-1/MTDH may be used as a biomarker to identify subgroups of patients who require more intensive treatments and who are likely to benefit from AEG-1/MTDH-targeted therapies. The therapeutic targeting of AEG-1/MTDH may simultaneously block metastasis, suppress tumor growth and enhance the efficacy of chemotherapeutic treatments.
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Affiliation(s)
- Yong Huang
- Department of Gastrointestinal Surgery, Provincial Hospital Affiliated to Shandong University, Jinan, Shandong 250021, P.R. China ; Department of General Surgery, Zao Zhuang Municipal Hospital, Zaozhuang, Shandong 277101, P.R. China
| | - LE-Ping Li
- Department of Gastrointestinal Surgery, Provincial Hospital Affiliated to Shandong University, Jinan, Shandong 250021, P.R. China
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