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Papadimitriou MA, Panoutsopoulou K, Pilala KM, Scorilas A, Avgeris M. Epi-miRNAs: Modern mediators of methylation status in human cancers. WILEY INTERDISCIPLINARY REVIEWS. RNA 2023; 14:e1735. [PMID: 35580998 DOI: 10.1002/wrna.1735] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 04/07/2022] [Accepted: 04/11/2022] [Indexed: 02/01/2023]
Abstract
Methylation of the fundamental macromolecules, DNA/RNA, and proteins, is remarkably abundant, evolutionarily conserved, and functionally significant in cellular homeostasis and normal tissue/organism development. Disrupted methylation imprinting is strongly linked to loss of the physiological equilibrium and numerous human pathologies, and most importantly to carcinogenesis, tumor heterogeneity, and cancer progression. Mounting recent evidence has documented the active implication of miRNAs in the orchestration of the multicomponent cellular methylation machineries and the deregulation of methylation profile in the epigenetic, epitranscriptomic, and epiproteomic levels during cancer onset and progression. The elucidation of such regulatory networks between the miRNome and the cellular methylation machineries has led to the emergence of a novel subclass of miRNAs, namely "epi-miRNAs" or "epi-miRs." Herein, we have summarized the existing knowledge on the functional role of epi-miRs in the methylation dynamic landscape of human cancers and their clinical utility in modern cancer diagnostics and tailored therapeutics. This article is categorized under: RNA in Disease and Development > RNA in Disease.
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Affiliation(s)
- Maria-Alexandra Papadimitriou
- Department of Biochemistry and Molecular Biology, Faculty of Biology, National and Kapodistrian University of Athens, Athens, Greece
| | - Konstantina Panoutsopoulou
- Department of Biochemistry and Molecular Biology, Faculty of Biology, National and Kapodistrian University of Athens, Athens, Greece
| | - Katerina-Marina Pilala
- Department of Biochemistry and Molecular Biology, Faculty of Biology, National and Kapodistrian University of Athens, Athens, Greece
| | - Andreas Scorilas
- Department of Biochemistry and Molecular Biology, Faculty of Biology, National and Kapodistrian University of Athens, Athens, Greece
| | - Margaritis Avgeris
- Department of Biochemistry and Molecular Biology, Faculty of Biology, National and Kapodistrian University of Athens, Athens, Greece.,Laboratory of Clinical Biochemistry - Molecular Diagnostics, Second Department of Pediatrics, School of Medicine, National and Kapodistrian University of Athens, "P. & A. Kyriakou" Children's Hospital, Athens, Greece
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2
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Loe AKH, Zhu L, Kim TH. Chromatin and noncoding RNA-mediated mechanisms of gastric tumorigenesis. Exp Mol Med 2023; 55:22-31. [PMID: 36653445 PMCID: PMC9898530 DOI: 10.1038/s12276-023-00926-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 11/08/2022] [Accepted: 11/22/2022] [Indexed: 01/20/2023] Open
Abstract
Gastric cancer (GC) is one of the most common and deadly cancers in the world. It is a multifactorial disease highly influenced by environmental factors, which include radiation, smoking, diet, and infectious pathogens. Accumulating evidence suggests that epigenetic regulators are frequently altered in GC, playing critical roles in gastric tumorigenesis. Epigenetic regulation involves DNA methylation, histone modification, and noncoding RNAs. While it is known that environmental factors cause widespread alterations in DNA methylation, promoting carcinogenesis, the chromatin- and noncoding RNA-mediated mechanisms of gastric tumorigenesis are still poorly understood. In this review, we focus on discussing recent discoveries addressing the roles of histone modifiers and noncoding RNAs and the mechanisms of their interactions in gastric tumorigenesis. A better understanding of epigenetic regulation would likely facilitate the development of novel therapeutic approaches targeting specific epigenetic regulators in GC.
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Affiliation(s)
- Adrian Kwan Ho Loe
- grid.42327.300000 0004 0473 9646Program in Developmental & Stem Cell Biology, The Hospital for Sick Children, Toronto, ON M5G 0A4 Canada ,grid.17063.330000 0001 2157 2938Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8 Canada
| | - Lexin Zhu
- grid.42327.300000 0004 0473 9646Program in Developmental & Stem Cell Biology, The Hospital for Sick Children, Toronto, ON M5G 0A4 Canada ,grid.17063.330000 0001 2157 2938Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8 Canada
| | - Tae-Hee Kim
- Program in Developmental & Stem Cell Biology, The Hospital for Sick Children, Toronto, ON, M5G 0A4, Canada. .,Department of Molecular Genetics, University of Toronto, Toronto, ON, M5S 1A8, Canada.
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3
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Yang RB, Lin FF, Yang J, Chen B, Zhang MH, Lu QP, Xiao B, Liu Y, Zheng K, Qiu YR. Retraction Note: Overexpression of CAV3 facilitates bone formation via the Wnt signaling pathway in osteoporotic rats. Endocrine 2022; 76:751. [PMID: 35275343 DOI: 10.1007/s12020-022-03032-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Run-Bao Yang
- Department of Orthopedics and Traumatology, Longyan First Hospital, Longyan, 364000, P. R. China
| | - Feng-Fei Lin
- Department of Orthopedic Surgery, Fuzhou Second Hospital, Fuzhou, 350007, P. R. China
| | - Jun Yang
- Department of Orthopedics and Traumatology, Longyan First Hospital, Longyan, 364000, P. R. China
| | - Bin Chen
- Department of Orthopedic Surgery, Fuzhou Second Hospital, Fuzhou, 350007, P. R. China
| | - Ming-Hua Zhang
- Department of Orthopedics and Traumatology, Longyan First Hospital, Longyan, 364000, P. R. China
| | - Qiao-Ping Lu
- Department of Orthopedics and Traumatology, Longyan First Hospital, Longyan, 364000, P. R. China
| | - Bo Xiao
- Department of Orthopedics and Traumatology, Longyan First Hospital, Longyan, 364000, P. R. China
| | - Yan Liu
- Department of Orthopedics and Traumatology, Longyan First Hospital, Longyan, 364000, P. R. China
| | - Ke Zheng
- Department of Orthopedic Surgery, Fuzhou Second Hospital, Fuzhou, 350007, P. R. China
| | - Yong-Rong Qiu
- Department of Orthopaedics Surgery, Longyan First Hospital, Longyan, 364000, P. R. China.
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4
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Yang Q, Chen Y, Guo R, Dai Y, Tang L, Zhao Y, Wu X, Li M, Du F, Shen J, Yi T, Xiao Z, Wen Q. Interaction of ncRNA and Epigenetic Modifications in Gastric Cancer: Focus on Histone Modification. Front Oncol 2022; 11:822745. [PMID: 35155211 PMCID: PMC8826423 DOI: 10.3389/fonc.2021.822745] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 12/28/2021] [Indexed: 12/24/2022] Open
Abstract
Gastric cancer has developed as a very common gastrointestinal tumors, with recent effective advancements in the diagnosis and treatment of early gastric cancer. However, the prognosis for gastric cancer remains poor. As a result, there is in sore need of better understanding the mechanisms of gastric cancer development and progression to improve existing diagnostic and treatment options. In recent years, epigenetics has been recognized as an important contributor on tumor progression. Epigenetic changes in cancer include chromatin remodeling, DNA methylation and histone modifications. An increasing number of studies demonstrated that noncoding RNAs (ncRNAs) are associated with epigenetic changes in gastric cancer. Herein, we describe the molecular interactions of histone modifications and ncRNAs in epigenetics. We focus on ncRNA-mediated histone modifications of gene expression associated with tumorigenesis and progression in gastric cancer. This molecular mechanism will contribute to our deeper understanding of gastric carcinogenesis and progression, thus providing innovations in gastric cancer diagnosis and treatment strategies.
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Affiliation(s)
- Qingfan Yang
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Southwest Medical University, Luzhou, China.,South Sichuan Institute of Translational Medicine, Luzhou, China
| | - Yu Chen
- South Sichuan Institute of Translational Medicine, Luzhou, China.,Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, China.,Cell Therapy & Cell Drugs of Luzhou Key Laboratory, Luzhou, China
| | - Rui Guo
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Southwest Medical University, Luzhou, China
| | - Yalan Dai
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Southwest Medical University, Luzhou, China.,South Sichuan Institute of Translational Medicine, Luzhou, China
| | - Liyao Tang
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, China.,Cell Therapy & Cell Drugs of Luzhou Key Laboratory, Luzhou, China
| | - Yueshui Zhao
- South Sichuan Institute of Translational Medicine, Luzhou, China.,Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, China.,Cell Therapy & Cell Drugs of Luzhou Key Laboratory, Luzhou, China
| | - Xu Wu
- South Sichuan Institute of Translational Medicine, Luzhou, China.,Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, China.,Cell Therapy & Cell Drugs of Luzhou Key Laboratory, Luzhou, China
| | - Mingxing Li
- South Sichuan Institute of Translational Medicine, Luzhou, China.,Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, China.,Cell Therapy & Cell Drugs of Luzhou Key Laboratory, Luzhou, China
| | - Fukuan Du
- South Sichuan Institute of Translational Medicine, Luzhou, China.,Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, China.,Cell Therapy & Cell Drugs of Luzhou Key Laboratory, Luzhou, China
| | - Jing Shen
- South Sichuan Institute of Translational Medicine, Luzhou, China.,Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, China.,Cell Therapy & Cell Drugs of Luzhou Key Laboratory, Luzhou, China
| | - Tao Yi
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, Hong Kong SAR, China
| | - Zhangang Xiao
- South Sichuan Institute of Translational Medicine, Luzhou, China.,Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, China.,Cell Therapy & Cell Drugs of Luzhou Key Laboratory, Luzhou, China
| | - Qinglian Wen
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Southwest Medical University, Luzhou, China.,South Sichuan Institute of Translational Medicine, Luzhou, China
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5
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Liu G, Guo W, Qin J, Lin Z. OTUB2 Facilitates Tumorigenesis of Gastric Cancer Through Promoting KDM1A-Mediated Stem Cell-Like Properties. Front Oncol 2021; 11:711735. [PMID: 34646768 PMCID: PMC8503518 DOI: 10.3389/fonc.2021.711735] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Accepted: 09/06/2021] [Indexed: 12/12/2022] Open
Abstract
Otubain 2 (OTUB2), a deubiquitinating enzyme, overexpression is considered to predict poor outcome in various cancers. However, the function and potential regulatory mechanisms of OTUB2 in gastric cancer (GC) progression remains unclear. To determine how OTUB2 participate in GC progression, the gain and loss of-function experiments were conducted in vivo and in vitro. We found that OTUB2 was upregulated in GC samples (n=140) and cells. Moreover, the overall, first progression and post progression survival rates of GC patients with high OTUB2 expression showed a poorer prognosis than that in those patients with low OTUB2 expression. Down-regulation of OTUB2 suppressed sphere formation and reduced expression of stem cell markers in GC cells. Furthermore, OTUB2-silenced GC cells also showed a decreased proliferation, invasion, migration, and in vivo tumorigenic ability. However, OTUB2 overexpression showed the opposite effects. Notably, we demonstrated that OTUB2 increased lysine-specific histone demethylase 1A (KDM1A) expression through deubiquitination. KDM1A, a demethylase known to promote demethylation of downstream genes, was identified to promote the maintenance of cancer stem cell characteristics. Moreover, the alterations caused by OTUB2 overexpression were partly inversed by KDM1A knockdown and in turn KDM1A overexpression reversed the changes induced by OTUB2 shRNA. Taken together, we demonstrate that OTUB2 may serve as a vital driver in GC tumorigenesis by enhancing KDM1A-mediated stem cell-like properties.
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Affiliation(s)
- Guangming Liu
- Department of Gastroenterology, The First Hospital of Jilin University, Changchun, China
| | - Wei Guo
- Department of Hematology, The First Hospital of Jilin University, Changchun, China
| | - Junjie Qin
- Department of Gastroenterology, The First Hospital of Jilin University, Changchun, China
| | - Zhiliang Lin
- Department of Colorectal Disease Specialty, Intestinal Microenvironment Treatment Center of General Surgery, Shanghai Tenth People's Hospital, Tenth People's Hospital of Tongji University, Shanghai, China
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6
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Liu X, Ma R, Yi B, Riker AI, Xi Y. MicroRNAs are involved in the development and progression of gastric cancer. Acta Pharmacol Sin 2021; 42:1018-1026. [PMID: 33037405 PMCID: PMC8208993 DOI: 10.1038/s41401-020-00540-0] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Accepted: 09/14/2020] [Indexed: 02/08/2023] Open
Abstract
MicroRNAs (miRNAs) are recognized as an essential component of the RNA family, exerting multiple and intricate biological functions, particularly in the process of tumorigenesis, proliferation, and metastatic progression. MiRNAs are altered in gastric cancer (GC), showing activity as both tumor suppressors and oncogenes, although their true roles have not been fully understood. This review will focus upon the recent advances of miRNA studies related to the regulatory mechanisms of gastric tumor cell proliferation, apoptosis, and cell cycle. We hope to provide an in-depth insight into the mechanistic role of miRNAs in GC development and progression. In particular, we summarize the latest studies relevant to miRNAs' impact upon the epithelial-mesenchymal transition, tumor microenvironment, and chemoresistance in GC cells. We expect to elucidate the molecular mechanisms involving miRNAs for better understanding the etiology of GC, and facilitating the development of new treatment regimens for the treatment of GC.
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Affiliation(s)
- Xiaolin Liu
- Department of Genetics and Stanley S. Scott Cancer Center, Louisiana State University Health Sciences Center, New Orleans, LA, USA
- Department of Oncology, the First Affiliated Hospital of Shandong First Medical University, Jinan, 250014, China
| | - Ruixia Ma
- Department of Genetics and Stanley S. Scott Cancer Center, Louisiana State University Health Sciences Center, New Orleans, LA, USA
- Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Cancer Institute, Xuzhou Medical University, Xuzhou, 221000, China
| | - Bin Yi
- Department of Genetics and Stanley S. Scott Cancer Center, Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | - Adam I Riker
- Geaton and JoAnn DeCesaris Cancer Institute, Department of Surgery, Anne Arundel Medical Center, Cancer Service Line, Luminis Health, Annapolis, MD, USA.
| | - Yaguang Xi
- Department of Genetics and Stanley S. Scott Cancer Center, Louisiana State University Health Sciences Center, New Orleans, LA, USA.
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7
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Zhang X, Huang T, Zhai H, Peng W, Zhou Y, Li Q, Yang H. Inhibition of lysine-specific demethylase 1A suppresses neointimal hyperplasia by targeting bone morphogenetic protein 2 and mediating vascular smooth muscle cell phenotype. Cell Prolif 2019; 53:e12711. [PMID: 31737960 PMCID: PMC6985674 DOI: 10.1111/cpr.12711] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 09/17/2019] [Accepted: 10/02/2019] [Indexed: 02/06/2023] Open
Abstract
OBJECTIVES Vascular disorders are associated with phenotypical switching of vascular smooth muscle cells (VSMCs). We investigated the effect of bone morphogenetic protein (BMP)-2 in controlling VSMC phenotype and vascular disorder progression. Lysine (K)-specific demethylase 1A (KDM1A) has been identified to target BMP-2 and is employed as a therapeutic means of regulating BMP-2 expression in VSMCs. MATERIALS AND METHODS VSMCs were stimulated with angiotensin II, and the expression of KDM1A and BMP-2 was detected. VSMC proliferation, apoptosis, and phenotype were evaluated. An in vivo aortic injury model was established, and VSMC behaviour was evaluated by the expression of key markers. The activation of BMP-2-associated signalling pathways was examined. RESULTS We confirmed the inhibitory effect of KDM1A on BMP-2 activity and demonstrated that KDM1A inhibition prevented VSMC transformation from a contractile to synthetic phenotype. In angiotensin II-treated VSMCs, KDM1A inhibition triggered a decrease in cell proliferation and inflammatory response. In vivo, KDM1A inhibition alleviated post-surgery neointimal formation and collagen deposition, preventing VSMCs from switching into a synthetic phenotype and suppressing disease onset. These processes were mediated by BMP-2 through canonical small mothers against decapentaplegic signalling, which was associated with the activation of BMP receptors 1A and 1B. CONCLUSIONS The regulatory correlation between KDM1A and BMP-2 offers insights into vascular remodelling and VSMC phenotypic modulation. The reported findings contribute to the development of innovative strategies against vascular disorders.
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Affiliation(s)
- Xiaobo Zhang
- Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tao Huang
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Heng Zhai
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wenpeng Peng
- Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yong Zhou
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qi Li
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Haifeng Yang
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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8
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Zhao D, Ma Y, Li X, Lu X. microRNA-211 promotes invasion and migration of colorectal cancer cells by targeting FABP4 via PPARγ. J Cell Physiol 2019; 234:15429-15437. [PMID: 30809808 DOI: 10.1002/jcp.28190] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Accepted: 01/10/2019] [Indexed: 02/06/2023]
Abstract
Fatty acid binding protein 4 (FABP4) is a novel tumor regulator that is abnormally expressed in many human cancers. In our study, upregulated microRNA-211 (miR-211) and reduced FABP4 expression were detected in colorectal cancer (CRC) patients and CRC cells. Mimic miR-211 or anti-miR-211 were transfected to investigate the effects of miR-211 on SW480 cells. The results showed that miR-211 promoted but anti-miR-211 inhibited cell migration, invasion, and epithelial-mesenchymal transition (EMT) of SW480 cells. Luciferase activity was decreased after cotransfection with miR-211 and WT-FABP4-UTR in SW480 cells. And reduced FABP4 protein expression by miR-211 indicated that FABP4 was the targeted gene of miR-211. miR-211 inhibited the activation of peroxisome proliferator-activated receptor (PPAR) γ, whereas overexpression of FABP4 reversed that effect. Finally, FABP4 inhibited the migration, invasion, and EMT of SW480 cells, whereas PPARγ agonist reversed the effects of FABP4. Thus, the miR-211/FABP4/PPARγ axis may be a novel target for CRC therapy.
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Affiliation(s)
- Dongmei Zhao
- Department of Pathology, Affiliated Cancer Hospital of Zhengzhou University, Henan Provincal Cancer Hospital, Zhengzhou, Henan, China
| | - Yanying Ma
- Department of Pathology, Affiliated Cancer Hospital of Zhengzhou University, Henan Provincal Cancer Hospital, Zhengzhou, Henan, China
| | - Xu Li
- Department of Pathology, Affiliated Cancer Hospital of Zhengzhou University, Henan Provincal Cancer Hospital, Zhengzhou, Henan, China
| | - Xiaoyu Lu
- Department of Pathology, Affiliated Cancer Hospital of Zhengzhou University, Henan Provincal Cancer Hospital, Zhengzhou, Henan, China
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9
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Mo Y, Fang RH, Wu J, Si Y, Jia SQ, Li Q, Bai JZ, She XN, Wang JQ. MicroRNA-329 upregulation impairs the HMGB2/β-catenin pathway and regulates cell biological behaviors in melanoma. J Cell Physiol 2019; 234:23518-23527. [PMID: 31219186 DOI: 10.1002/jcp.28920] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 05/17/2019] [Accepted: 05/20/2019] [Indexed: 12/29/2022]
Abstract
Melanoma is responsible for the majority of deaths caused by skin cancer. Antitumor activity of microRNA-329 (miR-329) has been seen in several human cancers. In this study, we identify whether miR-329 serves as a candidate regulator in melanoma. Melanoma-related differentially expressed genes were screened with its potential molecular mechanism predicted. Melanoma tissues and pigmented nevus tissues were collected, where the levels of miR-329 and high-mobility group box 2 (HMGB2) were determined. To characterize the regulatory role of miR-329 on HMGB2 and the β-catenin pathway in melanoma cell activities, miR-329 mimics, miR-329 inhibitors, and siRNA-HMGB2 were transfected into melanoma cells. Cell viability, migration, invasion, cell cycle, and apoptosis were assessed. miR-329 was predicted to influence melanoma by targeting HMGB2 via the β-catenin pathway. High level of HMGB2 and low miR-329 expression were observed in melanoma tissues. HMGB2 was targeted and negatively regulated by miR-329. In melanoma cells transfected with miR-329 mimics or siRNA-HMGB2, cell proliferation, migration, and invasion were impeded, yet cell cycle arrest and apoptosis were promoted, corresponding to decreased levels of β-catenin, cyclin D1, and vimentin and increased levels of GSK3β and E-cadherin. Collectively, our results show that miR-329 can suppress the melanoma progression by downregulating HMGB2 via the β-catenin pathway.
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Affiliation(s)
- You Mo
- Department of Dermatology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, P.R. China
| | - Rui-Hua Fang
- Department of Dermatology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, P.R. China
| | - Jiang Wu
- Department of Dermatology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, P.R. China
| | - Yuan Si
- Department of Dermatology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, P.R. China
| | - Shu-Qing Jia
- Department of Dermatology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, P.R. China
| | - Qun Li
- Department of Dermatology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, P.R. China
| | - Jing-Zhu Bai
- Department of Dermatology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, P.R. China
| | - Xi-Ning She
- Department of Dermatology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, P.R. China
| | - Jian-Qin Wang
- Institute of Dermatology, Guangzhou Medical University, Guangzhou, P.R. China.,Department of Dermatology, Guangzhou Institute of Dermatology, Guangzhou, P.R. China
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10
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Zhang W, Sun W, Qin Y, Wu C, He L, Zhang T, Shao L, Zhang H, Zhang P. Knockdown of KDM1A suppresses tumour migration and invasion by epigenetically regulating the TIMP1/MMP9 pathway in papillary thyroid cancer. J Cell Mol Med 2019; 23:4933-4944. [PMID: 31211500 PMCID: PMC6653290 DOI: 10.1111/jcmm.14311] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 02/10/2019] [Accepted: 02/20/2019] [Indexed: 12/31/2022] Open
Abstract
Epigenetic dysregulation plays an important role in cancer. Histone demethylation is a well‐known mechanism of epigenetic regulation that promotes or inhibits tumourigenesis in various malignant tumours. However, the pathogenic role of histone demethylation modifiers in papillary thyroid cancer (PTC), which has a high incidence of early lymphatic metastasis, is largely unknown. Here, we detected the expression of common histone demethylation modifiers and found that the histone H3 lysine 4 (H3K4) and H3 lysine 9 (H3K9) demethylase KDM1A (or lysine demethylase 1A) is frequently overexpressed in PTC tissues and cell lines. High KDM1A expression correlated positively with age <55 years and lymph node metastasis in patients with PTC. Moreover, KDM1A was required for PTC cell migration and invasion. KDM1A knockdown inhibited the migration and invasive abilities of PTC cells both in vitro and in vivo. We also identified tissue inhibitor of metalloproteinase 1 (TIMP1) as a key KDM1A target gene. KDM1A activated matrix metalloproteinase 9 (MMP9) through epigenetic repression of TIMP1 expression by demethylating H3K4me2 at the TIMP1 promoter region. Rescue experiments clarified these findings. Altogether, we have uncovered a new mechanism of KDM1A repression of TIMP1 in PTC and suggest that KDM1A may be a promising therapeutic target in PTC.
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Affiliation(s)
- WenQian Zhang
- Department of Thyroid Surgery, The First Hospital of China Medical University, Shenyang Liaoning Province, China
| | - Wei Sun
- Department of Thyroid Surgery, The First Hospital of China Medical University, Shenyang Liaoning Province, China
| | - Yuan Qin
- Department of Thyroid Surgery, The First Hospital of China Medical University, Shenyang Liaoning Province, China
| | - CangHao Wu
- Department of Thyroid Surgery, The First Hospital of China Medical University, Shenyang Liaoning Province, China
| | - Liang He
- Department of Thyroid Surgery, The First Hospital of China Medical University, Shenyang Liaoning Province, China
| | - Ting Zhang
- Department of Thyroid Surgery, The First Hospital of China Medical University, Shenyang Liaoning Province, China
| | - Liang Shao
- Department of Thyroid Surgery, The First Hospital of China Medical University, Shenyang Liaoning Province, China
| | - Hao Zhang
- Department of Thyroid Surgery, The First Hospital of China Medical University, Shenyang Liaoning Province, China
| | - Ping Zhang
- Department of Thyroid Surgery, The First Hospital of China Medical University, Shenyang Liaoning Province, China
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11
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Huang Y, Zou Y, Lin L, Ma X, Zheng R. miR-101 regulates cell proliferation and apoptosis by targeting KDM1A in diffuse large B cell lymphoma. Cancer Manag Res 2019; 11:2739-2746. [PMID: 31040714 PMCID: PMC6455001 DOI: 10.2147/cmar.s197744] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Background miR-101 is reported to be associated with cell proliferation and apoptosis. However, it is unknown whether miR-101 expression affects cell proliferation and apoptosis in diffuse large B cell lymphoma (DLBCL). The aim of the present study was to investigate the expression of miR-101 and its effect on cell proliferation and apoptosis in DLBCL. Methods miR-101 expression was detected in 30 cases of patients with DLBCL and normal lymph node by qRT-PCR. Then, miR-101 expression was up-regulated and down-regulated in Originated Cell Line-Large Lymphoma 8 (OCL-LY8) cell line, respectively. MTT and flow cytometry assay were used to evaluate the effect of miR-101 on cell proliferation and apoptosis, respectively. As KDM1A was confirmed to be as a specific target of miR-101 by TargetScanHuman, the relationship between MiR-101 and KDM1A was further investigated. Results miR-101 expression in patients with DLBCL was significantly reduced compared those in normal lymph node (P<0.05). miR-101 expression was significantly associated with tumor size, clinical stage and International Prognostic Index (IPI) scores (P<0.05). In OCL-LY8 cell line, miR-101 down-regulation significantly promoted cell proliferation and suppressed cell apoptosis. Meanwhile, miR-101 up-regulation reversed this effect. In addition, miR-101 negatively regulated the expression of KDM1A. KDM1A down-regulation was oberved in normal tissues compared with those in DLBCL tissues, which inhibited cell proliferation and promoted cell apoptosis. Conclusion These data indicate that miR-101 regulates cell proliferation and apoptosis by targeting KDM1A, which provides a potential therapeutic for DLBCL patients.
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Affiliation(s)
- Yiqun Huang
- Department of Hematology, Zhangzhou Affiliated Hospital of Fujian Medical University, 363000 Zhangzhou, People's Republic of China,
| | - Yong Zou
- Department of Hematology, Zhangzhou Affiliated Hospital of Fujian Medical University, 363000 Zhangzhou, People's Republic of China,
| | - Luhui Lin
- Department of Hematology, Zhangzhou Affiliated Hospital of Fujian Medical University, 363000 Zhangzhou, People's Republic of China,
| | - Xudong Ma
- Department of Hematology, Zhangzhou Affiliated Hospital of Fujian Medical University, 363000 Zhangzhou, People's Republic of China,
| | - Ruiji Zheng
- Department of Hematology, Zhangzhou Affiliated Hospital of Fujian Medical University, 363000 Zhangzhou, People's Republic of China,
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12
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Shen F, Liu P, Xu Z, Li N, Yi Z, Tie X, Zhang Y, Gao L. CircRNA_001569 promotes cell proliferation through absorbing miR-145 in gastric cancer. J Biochem 2019; 165:27-36. [PMID: 30304349 DOI: 10.1093/jb/mvy079] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Accepted: 10/08/2018] [Indexed: 12/17/2022] Open
Abstract
Gastric cancer severely threatens human life, while its pathogenesis is still unclear. The present study was to explore the potential pathogenic mechanism underlying gastric cancer. Real-time PCR was performed to detect the expression of circRNA_001569 and miR-145; western blot was performed to detect the expression of NR4A2. Cell cycle and apoptosis was determined using flow cytometry, and cell viability was determined using Cell counting kit-8 (CCK-8) assay. Luciferase reporter assay was carried out to validate the relationship between miR-145 and NR4A2. Both circRNA_001569 and NR4A2 were overexpressed in tissues and cells of gastric cancer, while miR-145 was down-regulated. Overexpressed circRNA_001569 significantly increased cell viability, and decreased cell apoptosis, while down-regulated circRNA_001569 dramatically decreased cell viability and promoted cell apoptosis. CircRNA_001569 regulated the expression of miR-145, the effect of pcDNA-circRNA_001569 was abolished by miR-145 mimic and the effect of si-circRNA_001569 was abolished by miR-145 inhibitor. MiR-145 targets NR4A2 to regulate its expression. Overexpressed miR-145 suppressed cell viability and promoted cell apoptosis. Taken together, the present study indicated that overexpressed circRNA_001569 promoted cell viability of gastric cancer through suppressing the expression of miR-145, which was mediated by NR4A2. The research will provide great theoretical basis for further clinical diagnosis and therapy.
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Affiliation(s)
- Fengqian Shen
- Department of Oncology, Kaifeng Central Hospital, Kaifeng, Henan, China
| | - Peijie Liu
- Department of Oncology, Kaifeng Central Hospital, Kaifeng, Henan, China
| | - Zhiqiao Xu
- Department of Oncology, Kaifeng Central Hospital, Kaifeng, Henan, China
| | - Ning Li
- Department of Oncology, Kaifeng Central Hospital, Kaifeng, Henan, China
| | - Zhenying Yi
- Department of Oncology, Kaifeng Central Hospital, Kaifeng, Henan, China
| | - Xiaojing Tie
- Department of Oncology, Kaifeng Central Hospital, Kaifeng, Henan, China
| | - Yan Zhang
- Department of Oncology, Kaifeng Central Hospital, Kaifeng, Henan, China
| | - Ling Gao
- Department of Oncology, Kaifeng Central Hospital, Kaifeng, Henan, China
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13
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Chen H, Dai G, Cai Y, Gong Q, Wu W, Gao M, Fei Z. Vasodilator-stimulated phosphoprotein (VASP), a novel target of miR-4455, promotes gastric cancer cell proliferation, migration, and invasion, through activating the PI3K/AKT signaling pathway. Cancer Cell Int 2018; 18:97. [PMID: 30002604 PMCID: PMC6038240 DOI: 10.1186/s12935-018-0573-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Accepted: 05/25/2018] [Indexed: 02/03/2023] Open
Abstract
Background MicroRNAs (miRNAs) are small non-coding RNAs which play important roles in the carcinogenesis of gastric cancer (GC). Expression profiling of miRNAs in paired gastric cancer and adjacent normal gastric tissues has demonstrated that miR-4455 is down-regulated in gastric cancer tissues, but its functional role in the carcinogenesis of GC had not previously been investigated. Aims The purpose of this study was to investigate the functional and biological mechanisms of miR-4455 in the progression of GC, in vitro. Methods Expression of miR-4455 was compared in human GC tissue samples and paired adjacent normal tissue samples. The in vitro effects of miR-4455 expression in MGC-803 cells on their proliferation, invasion, and migration were assessed by MTT assays and 5-bromo-2′-deoxyuridine staining, matrigel-invasion analysis and wound healing assays. Bioinformatics analysis (using PicTar, target scan and miRBase target) was used to identify potential targets for miR-4455, and the luciferase reporter assay, qRT-PCR and Western-blotting analyses were used to confirm VASP as the target of miR-4455. In addition, the effects of downregulation of VASP on the activation of PI3K/AKT signaling pathway were measured using Western-blot analysis. Results The expression of miR-4455 was markedly down-regulated in gastric cancer tissues vs. adjacent normal tissues, and miR-4455 expression inhibited the proliferation, invasion and migration of MGC-803 GC cells in vitro. Luciferase reporter assays revealed that miR-4455 inhibited VASP expression by targeting the 3′-UTR sequence of VASP. Furthermore, silencing of VASP markedly inhibited the activation of the PI3K/AKT signaling pathway. Conclusion Our results suggest that miR-4455 functions as a tumor suppressor in gastric cancer, by targeting VASP leading to activation of the PI3K/AKT signaling pathway and the inhibition of VASP mediated proliferation, migration and invasion of gastric cancer cells. Electronic supplementary material The online version of this article (10.1186/s12935-018-0573-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Haiqun Chen
- 1Department of General Surgery, The ChongMing Branch of XinHua Hospital, The Affiliated Hospital of Shanghai Jiao Tong University, Shanghai, 200240 China
| | - Gang Dai
- 1Department of General Surgery, The ChongMing Branch of XinHua Hospital, The Affiliated Hospital of Shanghai Jiao Tong University, Shanghai, 200240 China
| | - Yiting Cai
- 1Department of General Surgery, The ChongMing Branch of XinHua Hospital, The Affiliated Hospital of Shanghai Jiao Tong University, Shanghai, 200240 China
| | - Qinhao Gong
- 1Department of General Surgery, The ChongMing Branch of XinHua Hospital, The Affiliated Hospital of Shanghai Jiao Tong University, Shanghai, 200240 China
| | - Wei Wu
- 1Department of General Surgery, The ChongMing Branch of XinHua Hospital, The Affiliated Hospital of Shanghai Jiao Tong University, Shanghai, 200240 China
| | - Min Gao
- 1Department of General Surgery, The ChongMing Branch of XinHua Hospital, The Affiliated Hospital of Shanghai Jiao Tong University, Shanghai, 200240 China
| | - Zhewei Fei
- 2Department of General Surgery, XinHua Hospital, The Affiliated Hospital of Shanghai Jiao Tong University, No. 1665, Kong Jiang Road, Shanghai, 200240 China
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14
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Jamali L, Tofigh R, Tutunchi S, Panahi G, Borhani F, Akhavan S, Nourmohammadi P, Ghaderian SM, Rasouli M, Mirzaei H. Circulating microRNAs as diagnostic and therapeutic biomarkers in gastric and esophageal cancers. J Cell Physiol 2018; 233:8538-8550. [DOI: 10.1002/jcp.26850] [Citation(s) in RCA: 105] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Accepted: 05/10/2018] [Indexed: 12/19/2022]
Affiliation(s)
- Leila Jamali
- Department of Medical Genetics School of Medicine, Shahid Beheshti University of Medical Sciences Tehran Iran
| | | | - Sara Tutunchi
- Department of Medical Genetics Shahid Sadoughi University of Medical Sciences Yazd Iran
| | - Ghodratollah Panahi
- Department of Biochemistry Faculty of Medicine, Tehran University of Medical Sciences Tehran Iran
| | - Fatemeh Borhani
- Department of Basic Sciences Faculty of Medicine, Gonabad University of Medical Sciences Gonabad Iran
- Department of Basic Sciences Faculty of Medicine, Shahid Beheshti University of Medical Sciences Tehran Iran
| | - Saeedeh Akhavan
- Department of Biology School of Basic Sciences, Science and Research Branch, Islamic Azad University Tehran Iran
| | - Parisa Nourmohammadi
- Department of Medical Genetics Shahid Sadoughi University of Medical Sciences Yazd Iran
| | - Sayyed M.H. Ghaderian
- Urogenital Stem Cell Research Shahid Beheshti University of Medical Sciences Tehran Iran
| | - Milad Rasouli
- Department of Immunology Faculty of Medical Sciences, Tarbiat Modares University Tehran Iran
| | - Hamed Mirzaei
- Department of Medical Biotechnology School of Medicine Mashhad University of Medical Sciences Mashhad Iran
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15
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Yan F, Wang C, Li T, Cai W, Sun J. Role of miR-21 in the growth and metastasis of human salivary adenoid cystic carcinoma. Mol Med Rep 2018; 17:4237-4244. [PMID: 29328455 PMCID: PMC5802195 DOI: 10.3892/mmr.2018.8381] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Accepted: 11/09/2017] [Indexed: 12/19/2022] Open
Abstract
Aberrant microRNA (miRNA/miR) expression has been reported in various cancer types. miR-21, which is considered to be a proto-oncogene and is frequently overexpressed in certain cancer types, has been implicated in tumorigenesis. The aim of the present study was to investigate the effect of miR-21 degradation on tumor progression and its potential mechanisms in human salivary adenoid cystic carcinoma (SACC) development. Results of reverse transcription-quantitative polymerase chain reaction analysis indicated that SACC cells with high metastatic potential (SACC-LM cells) exhibited a significantly higher expression of miR-21 compared with SACC cells with a lower metastatic potential (SACC-83 cells). In addition, following transfection of SACC-LM cells with miR-21 inhibitor, cell viability was reduced, which may be a result of reduced cell proliferation and metastasis, and the induction of apoptosis, as determined by Cell Counting Kit-8, wound healing, Matrigel invasion and flow cytometry assays. Furthermore, bioinformatics analysis indicated that programmed cell death 4 (PDCD4), phosphatase and tensin homolog deleted on chromosome ten (PTEN) and B-cell lymphoma (Bcl)-2 are potential target genes of miR-21. Therefore, western blotting was performed to investigate the expression of these proteins, and the results demonstrated that miR-21 expression level was negatively associated with PDCD4 and PTEN protein expression, and positively associated with Bcl-2 protein expression, in SACC-LM cells, indicating that miR-21 may promote SACC progression via PDCD4, PTEN and Bcl-2. In conclusion, the present study indicates that miR-21 may be a novel target for SACC therapy and provide a novel basis for the clinical treatment of SACC.
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Affiliation(s)
- Fei Yan
- Department of Oral Medicine, School of Stomatology, Xuzhou Medical University, Xuzhou, Jiangsu 221000, P.R. China
| | - Chao Wang
- Department of Oral Medicine, School of Stomatology, Xuzhou Medical University, Xuzhou, Jiangsu 221000, P.R. China
| | - Ting Li
- Department of Oral Medicine, School of Stomatology, Xuzhou Medical University, Xuzhou, Jiangsu 221000, P.R. China
| | - Wenyan Cai
- Department of Stomatology, Children's Hospital Affiliated to Nanjing Medical University, Nanjing, Jiangsu 210000, P.R. China
| | - Jinhu Sun
- Department of Oral and Maxillofacial Surgery, School of Stomatology, Xuzhou Medical University, Xuzhou, Jiangsu 221000, P.R. China
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