1
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Patra S, Roy PK, Dey A, Mandal M. Impact of HMGB1 on cancer development and therapeutic insights focused on CNS malignancy. Biochim Biophys Acta Rev Cancer 2024; 1879:189105. [PMID: 38701938 DOI: 10.1016/j.bbcan.2024.189105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 04/24/2024] [Accepted: 04/28/2024] [Indexed: 05/06/2024]
Abstract
The present study explores the complex roles of High Mobility Group Box 1 (HMGB1) in the context of cancer development, emphasizing glioblastoma (GBM) and other central nervous system (CNS) cancers. HMGB1, primarily known for its involvement in inflammation and angiogenesis, emerges as a multifaceted player in the tumorigenesis of GBM. The overexpression of HMGB1 correlates with glioma malignancy, influencing key pathways like RAGE/MEK/ERK and RAGE/Rac1. Additionally, HMGB1 secretion is linked to the maintenance of glioma stem cells (GSCs) and contributes to the tumor microenvironment's (TME) vascular leakiness. Henceforth, our review discusses the bidirectional impact of HMGB1, acting as both a promoter of tumor progression and a mediator of anti-tumor immune responses. Notably, HMGB1 exhibits tumor-suppressive roles by inducing apoptosis, limiting cellular proliferation, and enhancing the sensitivity of GBM to therapeutic interventions. This dualistic nature of HMGB1 calls for a nuanced understanding of its implications in GBM pathogenesis, offering potential avenues for more effective and personalized treatment strategies. The findings underscore the need to explore HMGB1 as a prognostic marker, therapeutic target, and a promising tool for stimulating anti-tumor immunity in GBM.
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Affiliation(s)
- Sucharita Patra
- Cancer Biology Lab, School of Medical Science and Technology, Indian Institute of Technology Kharagpur, West Bengal, India.
| | - Pritam Kumar Roy
- Cancer Biology Lab, School of Medical Science and Technology, Indian Institute of Technology Kharagpur, West Bengal, India.
| | - Ankita Dey
- Cancer Biology Lab, School of Medical Science and Technology, Indian Institute of Technology Kharagpur, West Bengal, India.
| | - Mahitosh Mandal
- Cancer Biology Lab, School of Medical Science and Technology, Indian Institute of Technology Kharagpur, West Bengal, India.
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2
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Abdolmaleky HM, Zhou JR. Underlying Mechanisms of Brain Aging and Neurodegenerative Diseases as Potential Targets for Preventive or Therapeutic Strategies Using Phytochemicals. Nutrients 2023; 15:3456. [PMID: 37571393 PMCID: PMC10473240 DOI: 10.3390/nu15153456] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 07/30/2023] [Accepted: 08/01/2023] [Indexed: 08/13/2023] Open
Abstract
During aging, several tissues and biological systems undergo a progressive decline in function, leading to age-associated diseases such as neurodegenerative, inflammatory, metabolic, and cardiovascular diseases and cancer. In this review, we focus on the molecular underpinning of senescence and neurodegeneration related to age-associated brain diseases, in particular, Alzheimer's and Parkinson's diseases, along with introducing nutrients or phytochemicals that modulate age-associated molecular dysfunctions, potentially offering preventive or therapeutic benefits. Based on current knowledge, the dysregulation of microglia genes and neuroinflammation, telomere attrition, neuronal stem cell degradation, vascular system dysfunction, reactive oxygen species, loss of chromosome X inactivation in females, and gut microbiome dysbiosis have been seen to play pivotal roles in neurodegeneration in an interactive manner. There are several phytochemicals (e.g., curcumin, EGCG, fucoidan, galangin, astin C, apigenin, resveratrol, phytic acid, acacetin, daucosterol, silibinin, sulforaphane, withaferin A, and betulinic acid) that modulate the dysfunction of one or several key genes (e.g., TREM2, C3, C3aR1, TNFA, NF-kb, TGFB1&2, SIRT1&6, HMGB1, and STING) affected in the aged brain. Although phytochemicals have shown promise in slowing down the progression of age-related brain diseases, more studies to identify their efficacy, alone or in combinations, in preclinical systems can help to design novel nutritional strategies for the management of neurodegenerative diseases in humans.
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Affiliation(s)
| | - Jin-Rong Zhou
- Nutrition/Metabolism Laboratory, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA;
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3
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Abdolmaleky HM, Martin M, Zhou JR, Thiagalingam S. Epigenetic Alterations of Brain Non-Neuronal Cells in Major Mental Diseases. Genes (Basel) 2023; 14:896. [PMID: 37107654 PMCID: PMC10137903 DOI: 10.3390/genes14040896] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/22/2023] [Accepted: 04/06/2023] [Indexed: 04/29/2023] Open
Abstract
The tissue-specific expression and epigenetic dysregulation of many genes in cells derived from the postmortem brains of patients have been reported to provide a fundamental biological framework for major mental diseases such as autism, schizophrenia, bipolar disorder, and major depression. However, until recently, the impact of non-neuronal brain cells, which arises due to cell-type-specific alterations, has not been adequately scrutinized; this is because of the absence of techniques that directly evaluate their functionality. With the emergence of single-cell technologies, such as RNA sequencing (RNA-seq) and other novel techniques, various studies have now started to uncover the cell-type-specific expression and DNA methylation regulation of many genes (e.g., TREM2, MECP2, SLC1A2, TGFB2, NTRK2, S100B, KCNJ10, and HMGB1, and several complement genes such as C1q, C3, C3R, and C4) in the non-neuronal brain cells involved in the pathogenesis of mental diseases. Additionally, several lines of experimental evidence indicate that inflammation and inflammation-induced oxidative stress, as well as many insidious/latent infectious elements including the gut microbiome, alter the expression status and the epigenetic landscapes of brain non-neuronal cells. Here, we present supporting evidence highlighting the importance of the contribution of the brain's non-neuronal cells (in particular, microglia and different types of astrocytes) in the pathogenesis of mental diseases. Furthermore, we also address the potential impacts of the gut microbiome in the dysfunction of enteric and brain glia, as well as astrocytes, which, in turn, may affect neuronal functions in mental disorders. Finally, we present evidence that supports that microbiota transplantations from the affected individuals or mice provoke the corresponding disease-like behavior in the recipient mice, while specific bacterial species may have beneficial effects.
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Affiliation(s)
- Hamid Mostafavi Abdolmaleky
- Department of Medicine (Biomedical Genetics), Boston University Chobanian & Avedisian School of Medicine, Boston, MA 02118, USA;
- Department of Surgery, Nutrition/Metabolism Laboratory, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Marian Martin
- Department of Neurology, Albert Einstein College of Medicine, New York, NY 10461, USA
| | - Jin-Rong Zhou
- Department of Surgery, Nutrition/Metabolism Laboratory, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Sam Thiagalingam
- Department of Medicine (Biomedical Genetics), Boston University Chobanian & Avedisian School of Medicine, Boston, MA 02118, USA;
- Department of Pathology & Laboratory Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, MA 02118, USA
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4
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Rajabi A, Kayedi M, Rahimi S, Dashti F, Mirazimi SMA, Homayoonfal M, Mahdian SMA, Hamblin MR, Tamtaji OR, Afrasiabi A, Jafari A, Mirzaei H. Non-coding RNAs and glioma: Focus on cancer stem cells. Mol Ther Oncolytics 2022; 27:100-123. [PMID: 36321132 PMCID: PMC9593299 DOI: 10.1016/j.omto.2022.09.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Glioblastoma and gliomas can have a wide range of histopathologic subtypes. These heterogeneous histologic phenotypes originate from tumor cells with the distinct functions of tumorigenesis and self-renewal, called glioma stem cells (GSCs). GSCs are characterized based on multi-layered epigenetic mechanisms, which control the expression of many genes. This epigenetic regulatory mechanism is often based on functional non-coding RNAs (ncRNAs). ncRNAs have become increasingly important in the pathogenesis of human cancer and work as oncogenes or tumor suppressors to regulate carcinogenesis and progression. These RNAs by being involved in chromatin remodeling and modification, transcriptional regulation, and alternative splicing of pre-mRNA, as well as mRNA stability and protein translation, play a key role in tumor development and progression. Numerous studies have been performed to try to understand the dysregulation pattern of these ncRNAs in tumors and cancer stem cells (CSCs), which show robust differentiation and self-regeneration capacity. This review provides recent findings on the role of ncRNAs in glioma development and progression, particularly their effects on CSCs, thus accelerating the clinical implementation of ncRNAs as promising tumor biomarkers and therapeutic targets.
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Affiliation(s)
- Ali Rajabi
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | - Mehrdad Kayedi
- Department of Radiology, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Shiva Rahimi
- School of Medicine,Fasa University of Medical Sciences, Fasa, Iran
| | - Fatemeh Dashti
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | - Seyed Mohammad Ali Mirazimi
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | - Mina Homayoonfal
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Seyed Mohammad Amin Mahdian
- Department of Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Michael R. Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein 2028, South Africa
| | - Omid Reza Tamtaji
- Electrophysiology Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
- Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Afrasiabi
- Department of Internal Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Ameneh Jafari
- Advanced Therapy Medicinal Product (ATMP) Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran
- Proteomics Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
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Ye Y, Lin Y, Chi Z, Zhang J, Cai F, Zhu Y, Tang D, Lin Q. Rolling circle amplification (RCA) -based biosensor system for the fluorescent detection of miR-129-2-3p miRNA. PeerJ 2022; 10:e14257. [PMID: 36312756 PMCID: PMC9610657 DOI: 10.7717/peerj.14257] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 09/27/2022] [Indexed: 01/26/2023] Open
Abstract
Herein, a versatile fluorescent bioanalysis platform for sensitive and specific screening of target miRNA (miR-129-2-3p) was innovatively designed by applying target-induced rolling circle amplification (RCA) for efficient signal amplification. Specifically, miR-129-2-3p was used as a ligation template to facilitate its ligation with padlock probes, followed by an RCA reaction in the presence of phi29 DNA polymerase. The dsDNA fragments and products were stained by SYBR Green I and then detected by fluorescence spectrophotometry. As a result, miR-129-2-3p concentrations as low as 50 nM could be detected. Furthermore, the expression of miR-129-2-3p in breast cancer patients was about twice that in healthy people. Therefore, the results indicated that the RCA-based biosensor system could be a valuable platform for miRNA detection in clinical diagnosis and biomedical study.
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Affiliation(s)
- Yan Ye
- Fujian Normal University, College of Life Sciences, Fuzhou, Fujian, P. R. China
| | - Yao Lin
- Cooperation Base of Traditional Chinese Medicine-Oriented Chronic Disease Prevention and Treatment, Innovation and Transformation Center, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Zilin Chi
- Fujian Normal University, College of Life Sciences, Fuzhou, Fujian, P. R. China
| | - Jiasheng Zhang
- The First Affiliated Hospital of Fujian Medical University, Department of Thyroid and Breast Surgery, Fuzhou, Fujian, P. R. China
| | - Fan Cai
- Fujian Normal University, College of Life Sciences, Fuzhou, Fujian, P. R. China
| | - Youzhi Zhu
- The First Affiliated Hospital of Fujian Medical University, Department of Thyroid and Breast Surgery, Fuzhou, Fujian, P. R. China
| | - Dianping Tang
- Fuzhou University, Key Laboratory for Analytical Science of Food Safety and Biology (MOE & Fujian Province), State Key Laboratory of Photocatalysis on Energy and Environment, Department of Chemistry, Fuzhou, Fujian, P. R. China.
| | - Qingqiang Lin
- Fujian Normal University, College of Life Sciences, Fuzhou, Fujian, P. R. China
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6
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Chen W, Hong L, Hou C, Zong G, Zhang J. Up-regulation of LINC00665 contributes to the progression of glioma and correlates with its MRI characteristics. Am J Transl Res 2022; 14:2988-3002. [PMID: 35702084 PMCID: PMC9185054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 03/22/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND LncRNA LINC00665 partakes in controlling the malignant phenotype of cancer cells, but its role in glioma and the related regulatory mechanism remain uncertain. METHODS RT-PCR was exploited to examine LINC00665 expression. The relationships among the LINC00665 expression, the clinicopathologic values and magnetic resonance imaging (MRI) characteristics of glioma were analyzed. The multiplication, movement, and aggressiveness of glioma cell lines were evaluated by CCK-8, EdU, and Transwell experiments after constructing LINC00665 overexpression and LINC00665 knockdown cell models. A dual-luciferase reporter gene experiment and RIP experiment were executed to validate the interactions between LINC00665 and miR-129-5p, and between miR-129-5p and HMGB1. Western blot and RT-PCR were conducted to find the impact of LINC00665 and miR-129-5p on HMGB1 expression. Nude mouse model was also constructed to examine the impact of LINC00665 on multiplication and aggressiveness of glioma cells in vivo. RESULTS LINC00665 expression was markedly increased in glioma. High LINC00665 expression in glioma was closely linked to larger tumor diameter, higher pathologic grade, heterogeneous MRI signal of the tumor, increased peritumoral edema, and stronger MRI enhancement characteristics. LINC00665 overexpression facilitated the malignant behavior of glioma cells, while LINC00665 knockdown played the reverse role. Mechanistically, LINC00665 could decoy miR-129-5p, and indirectly increased HMGB1 expression. CONCLUSION LINC00665 functions as an oncogenic lncRNA in glioma, to accelerate glioma progression by modulating miR-129-5p and increasing HMGB1 expression.
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Affiliation(s)
- Wangsheng Chen
- Department of Radiology, Hainan General Hospital, Hainan Hospital of Hainan Medical UniversityHaikou 570311, China
| | - Lan Hong
- Department of Gynecology, Hainan General Hospital/Hainan Hospital of Hainan Medical UniversityHaikou 570311, China
| | - Changlong Hou
- Department of Radiology, Shanghai East Hospital, Tongji University School of MedicineShanghai 200120, China
| | - Genlin Zong
- Department of Radiology, Shanghai East Hospital, Tongji University School of MedicineShanghai 200120, China
| | - Jianhua Zhang
- Department of Radiology, Shanghai East Hospital, Tongji University School of MedicineShanghai 200120, China
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7
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Yao A, Storr SJ, Inman M, Barwell L, Moody CJ, Martin SG. Cytotoxic and Radiosensitising Effects of a Novel Thioredoxin Reductase Inhibitor in Brain Cancers. Mol Neurobiol 2022; 59:3546-3563. [PMID: 35344158 PMCID: PMC9148287 DOI: 10.1007/s12035-022-02808-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 03/17/2022] [Indexed: 11/04/2022]
Abstract
The thioredoxin (Trx) system, a key antioxidant pathway, represents an attractive target for cancer therapy. This study investigated the chemotherapeutic and radiosensitising effects of a novel Trx reductase (TrxR) inhibitor, IQ10, on brain cancer cells and the underlying mechanisms of action. Five brain cancer cell lines and a normal cell type were used. TrxR activity and expression were assessed by insulin reduction assay and Western blotting, respectively. IQ10 cytotoxicity was evaluated using growth curve, resazurin reduction and clonogenic assays. Radiosensitivity was examined using clonogenic assay. Reactive oxygen species levels were examined by flow cytometry and DNA damage assessed by immunofluorescence. Epithelial-mesenchymal transition (EMT)-related gene expression was examined by RT-PCR array. IQ10 significantly inhibited TrxR activity but did not affect Trx system protein expression in brain cancer cells. The drug exhibited potent anti-proliferative and cytotoxic effects against brain cancer cells under both normoxic and hypoxic conditions in both 2D and 3D systems, with IC50s in the low micromolar range. It was up to ~ 1000-fold more potent than temozolomide. IQ10 substantially sensitised various brain cancer cells to radiation, with such effect being due, in part, to functional inhibition of TrxR, making cells less able to deal with oxidative stress and leading to increased oxidative DNA damage. IQ10 significantly downregulated EMT-associated gene expression suggesting potential anti-invasive and antimetastatic properties. This study suggests that IQ10 is a potent anticancer agent and could be used as either a single agent or combined with radiation, to treat brain cancers.
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Affiliation(s)
- Anqi Yao
- Nottingham Breast Cancer Research Centre, School of Medicine, Biodiscovery Institute, University of Nottingham, University Park, Nottingham, NG7 2RD, UK
| | - Sarah J Storr
- Nottingham Breast Cancer Research Centre, School of Medicine, Biodiscovery Institute, University of Nottingham, University Park, Nottingham, NG7 2RD, UK
| | - Martyn Inman
- School of Chemistry, University of Nottingham, University Park, Nottingham, NG7 2RD, UK
| | - Lucy Barwell
- Nottingham Breast Cancer Research Centre, School of Medicine, Biodiscovery Institute, University of Nottingham, University Park, Nottingham, NG7 2RD, UK
| | - Christopher J Moody
- School of Chemistry, University of Nottingham, University Park, Nottingham, NG7 2RD, UK
| | - Stewart G Martin
- Nottingham Breast Cancer Research Centre, School of Medicine, Biodiscovery Institute, University of Nottingham, University Park, Nottingham, NG7 2RD, UK.
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8
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Ghaemi S, Fekrirad Z, Zamani N, Rahmani R, Arefian E. Non-coding RNAs Enhance the Apoptosis Efficacy of Therapeutic Agents Used for the Treatment of Glioblastoma Multiform. J Drug Target 2022; 30:589-602. [DOI: 10.1080/1061186x.2022.2047191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Shokoofeh Ghaemi
- Department of Microbiology, School of Biology, College of Science, University of Tehran, Tehran, Iran
| | - Zahra Fekrirad
- Department of Microbiology, School of Biology, College of Science, University of Tehran, Tehran, Iran
| | - Nina Zamani
- Department of Microbiology, School of Biology, College of Science, University of Tehran, Tehran, Iran
| | - Rana Rahmani
- Department of Microbiology, School of Biology, College of Science, University of Tehran, Tehran, Iran
| | - Ehsan Arefian
- Department of Microbiology, School of Biology, College of Science, University of Tehran, Tehran, Iran
- Pediatric Cell Therapy Research Center, Tehran University of Medical Sciences, Tehran, Iran
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9
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Ma W, Zhao X, Gao Y, Yao X, Zhang J, Xu Q. Circular RNA circ_UBAP2 facilitates the progression of osteosarcoma by regulating microRNA miR-637/high-mobility group box (HMGB) 2 axis. Bioengineered 2022; 13:4411-4427. [PMID: 35114890 PMCID: PMC8974191 DOI: 10.1080/21655979.2022.2033447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Circular RNA circ_UBAP2 has been reported to be closely associated with various tumors. The present work focused on exploring the roles of circ_UBAP2 and its molecular mechanism in osteosarcoma (OS). Circ_UBAP2, miR-637, and high-mobility group box (HMGB) 2 levels in OS cells and tissues were detected by quantitative real-time polymerase chain reaction. The relationship between miR-637 and circ_UBAP2, as well as between miR-637 and HMGB2, was predicted and examined through bioinformatics analysis and luciferase reporter gene experiments. Moreover, OS cell growth, invasion, migration, and apoptosis were detected using the cell counting kit-8 (CCK-8), Transwell and flow cytometry assays, respectively. HMGB2 protein levels were measured using Western blotting. Xenograft tumor formation assay was also performed. Circ_UBAP2 showed high expression levels in OS tissues and cells, which was directly proportional to metastasis and clinical stage of OS. The overexpression of circ_UBAP2 enhanced the growth, invasion, and migration of OS cells, but suppressed their apoptosis. In contrast, circ_UBAP2 silencing had opposite effects. Furthermore, miR-637 served as a downstream target of circ_UBAP2, which played opposite roles to circ_UBAP2 in OS. More importantly, HMGB2 served as miR-637's downstream target. The xenograft experiments in nude mice also proved that knockdown of circ_UBAP2 could increase miR-637 expression, but decrease HMGB2 expression, thus alleviating OS progression. Mechanistically, circ_UBAP2 exerts a cancer-promoting effect on OS by downregulating miR-637 and upregulating the expression of HMGB2. Circ_UBAP2 plays a promoting role in OS, and the circ_UBAP2/miR-637/HMGB2 axis is involved in OS progression.
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Affiliation(s)
- Weiguo Ma
- Department of Clinical Laboratory, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China.,Zhengzhou Key Laboratory of Digestive Tumor Markers, Cancer Hospital of Zhengzhou University, Zhengzhou China
| | - Xin Zhao
- Department of Clinical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yun Gao
- Department of Clinical Laboratory, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China.,Zhengzhou Key Laboratory of Digestive Tumor Markers, Cancer Hospital of Zhengzhou University, Zhengzhou China
| | - Xiaobin Yao
- Department of Clinical Laboratory, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China.,Zhengzhou Key Laboratory of Digestive Tumor Markers, Cancer Hospital of Zhengzhou University, Zhengzhou China
| | - Junhua Zhang
- Department of Clinical Laboratory, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China.,Zhengzhou Key Laboratory of Digestive Tumor Markers, Cancer Hospital of Zhengzhou University, Zhengzhou China
| | - Qingxia Xu
- Department of Clinical Laboratory, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China.,Zhengzhou Key Laboratory of Digestive Tumor Markers, Cancer Hospital of Zhengzhou University, Zhengzhou China
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10
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Deep Sequencing of the Rat MCAO Cortexes Reveals Crucial circRNAs Involved in Early Stroke Events and Their Regulatory Networks. Neural Plast 2021; 2021:9942537. [PMID: 34868302 PMCID: PMC8635952 DOI: 10.1155/2021/9942537] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 09/22/2021] [Accepted: 11/01/2021] [Indexed: 01/22/2023] Open
Abstract
Circular RNAs (circRNAs) are highly enriched in the central nervous system and significantly involved in a range of brain-related physiological and pathological processes. Ischemic stroke is a complex disorder caused by multiple factors; however, whether brain-derived circRNAs participate in the complex regulatory networks involved in stroke pathogenesis remains unknown. Here, we successfully constructed a cerebral ischemia-injury model of middle cerebral artery occlusion (MCAO) in male Sprague-Dawley rats. Preliminary qualitative and quantitative analyses of poststroke cortical circRNAs were performed through deep sequencing, and RT-PCR and qRT-PCR were used for validation. Of the 24,858 circRNAs expressed in the rat cerebral cortex, 294 circRNAs were differentially expressed in the ipsilateral cerebral cortex between the MCAO and sham rat groups. Cluster, GO, and KEGG analyses showed enrichments of these circRNAs and their host genes in numerous biological processes and pathways closely related to stroke. We selected 106 of the 294 circRNAs and constructed a circRNA-miRNA-mRNA interaction network comprising 577 sponge miRNAs and 696 target mRNAs. In total, 15 key potential circRNAs were predicted to be involved in the posttranscriptional regulation of a series of downstream target genes, which are widely implicated in poststroke processes, such as oxidative stress, apoptosis, inflammatory response, and nerve regeneration, through the competing endogenous RNA mechanism. Thus, circRNAs appear to be involved in multilevel actions that regulate the vast network of multiple mechanisms and events that occur after a stroke. These results provide novel insights into the complex pathophysiological mechanisms of stroke.
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11
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Jiang H, Ge R, Chen S, Huang L, Mao J, Sheng L. miRNA-204-5p acts as tumor suppressor to influence the invasion and migration of astrocytoma by targeting ezrin and is downregulated by DNA methylation. Bioengineered 2021; 12:9301-9312. [PMID: 34723710 PMCID: PMC8809991 DOI: 10.1080/21655979.2021.2000244] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 10/26/2021] [Accepted: 10/27/2021] [Indexed: 12/15/2022] Open
Abstract
microRNAs (miRNAs), through their regulation of the expression and activity of numerous proteins, are involved in almost all cellular processes. As a consequence, dysregulation of miRNA expression is closely associated with the development and progression of cancers. Recently, DNA methylation has been shown to play a key role in miRNA expression dysregulation in tumors. miRNA-204-5p commonly acts in the suppression of oncogenes in tumors. In this study, the levels of miRNA-204-5p were found to be down-regulated in the astrocytoma samples. miRNA-204-5p expression was also down-regulated in two astrocytoma cell lines (U87MG and LN382). Examination of online databases showed that the miRNA-204-5p promoter regions exist in CpG islands, which might be subjected to differential methylation. Subsequently, we showed that the miRNA-204-5p promoter region was hypermethylated in the astrocytoma tissue samples and cell lines. Then we found that ezrin expression was down-regulated with an increase in miRNA-204-5p expression in LN382 and U87MG cells after 5-aza-2'-deoxycytidine (5'AZA) treatment compared with control DMSO treatment. In addition, LN382 and U87MG cells treated with 5'AZA exhibited significantly inhibited cell invasion and migration . In a recovery experiment, cell invasion and migration returned to normal levels as miRNA-204-5p and ezrin levels were restored. Overall, our study suggests that miRNA-204-5p acts as a tumor suppressor to influence astrocytoma invasion and migration by targeting ezrin and that miRNA-204-5p expression is downregulated by DNA methylation. This study provides a new potential strategy for astrocytoma treatment.
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Affiliation(s)
- Haibo Jiang
- Department of Emergency Intensive Care Unit, Yijishan Hospital, First Affiliated Hospital of Wannan Medical College, Wuhu City, China
| | - Ruixiang Ge
- Department of Neurosurgery, Yijishan Hospital, First Affiliated Hospital of Wannan Medical College, Wuhu City, China
| | - Siwen Chen
- Department of Reproductive Medicine, Yijishan Hospital, First Affiliated Hospital of Wannan Medical College, Wuhu City, China
| | - Laiquan Huang
- Department of Hematology, Yijishan Hospital, First Affiliated Hospital of Wannan Medical College, Wuhu City, China
| | - Jie Mao
- Department of Neurosurgery, Shenzhen Hospital of Southern Medical University, Shenzhen City, China
| | - Lili Sheng
- Department of Oncology, Yijishan Hospital, First Affiliated Hospital of Wannan Medical College, Wuhu City, China
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12
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Zhang YY, Bao HL, Dong LX, Liu Y, Zhang GW, An FM. Silenced lncRNA H19 and up-regulated microRNA-129 accelerates viability and restrains apoptosis of PC12 cells induced by Aβ 25-35 in a cellular model of Alzheimer's disease. Cell Cycle 2021; 20:112-125. [PMID: 33410377 DOI: 10.1080/15384101.2020.1863681] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Accumulating data manifest that long non-coding RNA (lncRNAs) are involved in all kinds of neurodegenerative disorders, consisting of the onset and progression of Alzheimer's disease (AD). The study was for the research of the mechanism of lncRNA H19 (H19) in viability and apoptosis of PC12 cells induced by Aβ25-35 in a cellular model of AD with the regulation of microRNA (miR)-129 and high mobility group box-1 protein (HMGB1). An AD cellular model of PC12 cells was established using Aβ25-35. The Aβ25-35-induced PC12 cells were transfected with si-H19 or miR-129 mimic to figure their roles in cell viability,apoptosis, mitochondrial membrane potential dysfunction and oxidative stress in AD. Luciferase reporter assay and RNA-pull down assay were employed for verification of the binding relationship between H19 and miR-129 and the targeting relationship between miR-129 and HMGB1. An AD mouse model was induced and brain tissues were collected. H19, miR-129 and HMGB1 were detected in Aβ25-35-treated cells and brain tissues of AD mice. Elevated H19, HMGB1 and decreased miR-129 were found in Aβ25-35-treated PC12 cells as well as in brain tissues of AD mice. Silenced H19 or elevated miR-129 promoted viability, inhibited apoptosis, prevented mitochondrial membrane potential dysfunction and decreased oxidative stress in Aβ25-35-treated PC12 cells. H19 could specifically bind to miR-129. MiR-129 specifically suppressed HMGB1 expression. This study suggests that silenced H19 and up-regulated miR-129 accelerates viability and represses apoptosis of PC12 cells stimulated by Aβ25-35 in AD, which is beneficial for AD treatment.
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Affiliation(s)
- Yan-Yun Zhang
- College of Nursing, Inner Mongolia University for Nationalities , Tongliao, P.R. China.,Institute of Dementia, Inner Mongolia University for Nationalities , Tongliao, P.R. China
| | - Hai-Lan Bao
- College of Nursing, Inner Mongolia University for Nationalities , Tongliao, P.R. China.,Institute of Dementia, Inner Mongolia University for Nationalities , Tongliao, P.R. China
| | - Li-Xia Dong
- College of Nursing, Inner Mongolia University for Nationalities , Tongliao, P.R. China.,Institute of Dementia, Inner Mongolia University for Nationalities , Tongliao, P.R. China
| | - Yu Liu
- College of Nursing, Inner Mongolia University for Nationalities , Tongliao, P.R. China.,Institute of Dementia, Inner Mongolia University for Nationalities , Tongliao, P.R. China
| | - Guo-Wei Zhang
- College of Nursing, Inner Mongolia University for Nationalities , Tongliao, P.R. China.,Institute of Dementia, Inner Mongolia University for Nationalities , Tongliao, P.R. China
| | - Feng-Mao An
- Institute of Dementia, Inner Mongolia University for Nationalities , Tongliao, P.R. China.,Inner Mongolia Key Laboratory, Mongolian Medicine Pharmacology for Cardio-Cerebral Vascular System, Tongliao, Inner Mongolia, P.R. China
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13
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MiR-129-5p shuttled by human synovial mesenchymal stem cell-derived exosomes relieves IL-1β induced osteoarthritis via targeting HMGB1. Life Sci 2021; 269:118987. [PMID: 33417958 DOI: 10.1016/j.lfs.2020.118987] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 12/18/2020] [Accepted: 12/23/2020] [Indexed: 12/20/2022]
Abstract
AIMS To explore the therapeutic effect of miR-129-5p carried by exosomes from Human Synovial Mesenchymal Stem Cell (HS-MSC) on osteoarthritis(OA). MATERIALS AND METHODS The levels of miR-129-5p and high mobility group protein -1 (HMGB1) and interleukin-1β (IL-1β) in the joint fluid of OA patients were respectively detected via real-time quantitative reverse transcription-PCR (RT-PCR) and enzyme-linked immunosorbent assay (ELISA). IL-1β was taken to act on chondrocytes for the establishment of OA model in vitro. Ultracentrifugation was conducted to isolate HS-MSC exosomes (HS-MSC-Exo) from the supernatant. Western blot and ELISA were carried out to measure the expression of iNOS, COX2, MMP13, Collagen 2, TLR4, NF-κB, Caspase3, Bcl-2, HMGB1 in chondrocytes. Flow cytometry was conducted to detect the apoptosis of chondrocytes. Besides, bioinformatics was employed to predict the targeted relationship between miR-129-5p and HMGB1, which was further verified via dual luciferase activity experiments. KEY FINDINGS The results illustrated that miR-129-5p was decreased in OA patients and IL-1β-induced chondrocytes, while HMGB1 was notably upregulated. HS-MSC-Exo rich in miR-129-5p remarkably declined the inflammatory response and apoptosis of chondrocytes, while HS-MSC-Exo deficient in miR-129-5p increased the IL-1β-mediated inflammatory response and apoptosis of chondrocytes. In terms of mechanism, miR-129-5p targets the 3'UTR end of HMGB1 and inhibits IL-1β-mediated upregulation of HMGB1. SIGNIFICANCE In a word, this paper proved that miR-129-5p, existing in HS-MSC-Exo, can suppress the IL-1β-mediated OA by inhibiting HMGB1 release.
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Wu J, Guo X, Xu D, Zhang H. LINC00662 sponges miR-107 accelerating the invasiveness and proliferation of glioma cells. J Cancer 2020; 11:5700-5712. [PMID: 32913464 PMCID: PMC7477458 DOI: 10.7150/jca.46381] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Accepted: 06/28/2020] [Indexed: 12/16/2022] Open
Abstract
Increasing evidence revealed that the aberrant expression of long non-coding RNAs (lncRNAs) has been implicated in tumorigenesis. However, the role and mechanisms of LINC00662 in glioma have not been elucidated. Here, we show that upregulation of LINC00662 expression in glioma is associated with advanced clinical features and poor prognosis. Our results from loss-of-function assays suggest that LINC00662 silencing suppresses the proliferative and invasive abilities of glioma cells. In vivo, glioma growth was inhibited by depletion of LINC00662 in nude mice. Mechanistically, LINC00662 directly interacts with miR-107. The High-mobility group box 1 protein (HMGB1) is a known target of miR-107. Moreover, rescue assays reveal that HMGB1 overexpression (or miR-107 inhibition) reverses the glioma growth inhibition caused by LINC00662 knockdown. In conclusion, our results indicate that LINC00662 acts as an oncogene in glioma by modulating the miR-107/HMGB1 axis, suggesting that LINC00662 could be a novel therapeutic target for glioma treatment.
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Affiliation(s)
- Jinsong Wu
- Department of Neurosurgery, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, Luoyang 471003 Henan China
| | - Xiaolong Guo
- Department of Neurosurgery, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, Luoyang 471003 Henan China
| | - Dongxiao Xu
- Department of Neurosurgery, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, Luoyang 471003 Henan China
| | - Hongri Zhang
- Department of Neurosurgery, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, Luoyang 471003 Henan China
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15
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Hashemi M, Mohammadipour M, Rostami S, Soltanpour MS. Promoter DNA Methylation Frequency and Clinicopathological Role o f miR-129-2 Gene in Patients with Chronic Lymphocytic Leukemia. Oman Med J 2020; 35:e151. [PMID: 32724662 PMCID: PMC7383833 DOI: 10.5001/omj.2020.71] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Accepted: 11/30/2019] [Indexed: 01/14/2023] Open
Abstract
Objectives Chronic lymphocytic leukemia (CLL) is characterized by the accumulation of apparently mature B-type lymphocytes in the lymphohematopoietic organs. Methylation in promoters of tumor suppressor genes is one of the mechanisms that causes blood malignancy. In this study, we evaluated the promoter DNA methylation status of miR-129-2 tumor suppressor gene and its association with clinical and laboratory parameters of patients with CLL. Methods We studied the promoter DNA methylation frequency of the miR-129-2 gene in 50 patients with CLL and 50 healthy controls using methylation-specific polymerase chain reaction methods. Statistical analysis was performed using SPSS-18 software, and a p-value < 0.050 was considered statistically significant. Results The frequency of promoter DNA methylation of the miR-129-2 gene was significantly higher in the CLL group compared with control group (38.0% vs. 0.0%, p < 0.001; χ2 = 23.457). The promoter DNA methylation frequency of miR-129-2 gene was not significantly different between the two sexes (p = 0.236). A significant but weak correlation was seen between the methylated state of the miR-129-2 gene and organomegaly (p = 0.019, r = 0.330) as well as hemoglobin levels (p = 0.020, r = -0.233). However, binary logistic regression analysis indicated organomegaly as the only clinical biomarker with a statistically significant association with the hypermethylated miR-129-2 gene state (p = 0.046). Conclusions The high frequency of promoter DNA methylation of the miR-129-2 gene in the CLL group compared to the control group, as well as its significant association with organomegaly, suggests the importance of this epigenetic biomarker in the pathogenesis and prognosis of CLL disease.
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Affiliation(s)
- Morteza Hashemi
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
| | - Mahshid Mohammadipour
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
| | - Shahrbano Rostami
- Hematology-Oncology and Stem Cell Transplantation Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Soleiman Soltanpour
- Department of Medical Laboratory Sciences, School of Paramedical Sciences, Zanjan University of Medical Sciences, Zanjan, Iran
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Zhu HL, Chen YQ, Zhang ZF. Downregulation of lncRNA ZFAS1 and upregulation of microRNA-129 repress endocrine disturbance, increase proliferation and inhibit apoptosis of ovarian granulosa cells in polycystic ovarian syndrome by downregulating HMGB1. Genomics 2020; 112:3597-3608. [PMID: 32320818 DOI: 10.1016/j.ygeno.2020.04.011] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 01/17/2020] [Accepted: 04/17/2020] [Indexed: 12/14/2022]
Abstract
OBJECTIVE The objective was to find the role of long-non-coding RNA zinc finger antisense 1 (lncRNA ZFAS1)/microRNA (miR)-129/high-mobility group box protein 1 (HMGB1) axis in polycystic ovary syndrome (PCOS). METHODS Ovarian granulosa cells from non-PCOS patients and PCOS patients were collected, and HMGB1, miR-129 and lncRNA ZFAS1 expression were detected. Ovarian granulosa cells were transfected with si-ZFAS1 or miR-129 mimics to verify their roles in P4 and E2 secretion, and the biological functions of ovarian granulosa cells. RESULTS LncRNA ZFAS1 and HMGB1 were elevated, while miR-129 was down-regulated in ovarian granulosa cells of PCOS patients. Down-regulated lncRNA ZFAS1 or overexpressed miR-129 could decrease HMGB1 expression, increase P4 and E2 secretion, promote proliferation activity while inhibit apoptosis of ovarian granulosa cells in PCOS. CONCLUSION LncRNA ZFAS1 could bind to miR-129 to promote HMGB1 expression, thereby affecting the endocrine disturbance, proliferation and apoptosis of ovarian granulosa cells in PCOS.
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Affiliation(s)
- Hong-Li Zhu
- Department of Gynecology and Obstetrics, Affiliated Hangzhou People's Hospital of Nanjing Medical University, Hangzhou 310010, Zhejiang, PR China
| | - Yue-Qun Chen
- Department of Gynecology and Obstetrics, Affiliated Hangzhou First People's Hospital of Zhejiang University, Hangzhou 310010, Zhejiang, PR China
| | - Zhi-Fen Zhang
- Department of Gynecology and Obstetrics, Affiliated Hangzhou People's Hospital of Nanjing Medical University, Hangzhou 310010, Zhejiang, PR China.
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17
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Xu C, Du Z, Ren S, Liang X, Li H. MiR-129-5p sensitization of lung cancer cells to etoposide-induced apoptosis by reducing YWHAB. J Cancer 2020; 11:858-866. [PMID: 31949489 PMCID: PMC6959023 DOI: 10.7150/jca.35410] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Accepted: 09/22/2019] [Indexed: 12/17/2022] Open
Abstract
Background: Lung cancer is the most common cause of death from cancer worldwide and recent studies have revealed that microRNAs play critical roles to regulate lung carcinogenesis. microRNA-129-5p (miR-129-5p) has been reported to regulate cell proliferation and invasion in lung cancer, but its role in lung cancer apoptosis remains unknown. Methods: The expression of miR-129-5p and YWHAB in lung cancer tissues were analyzed from data downloaded from the NCBI Gene Expression Omnibus (GEO) database. Luciferase reporter assay, Western blot and qRT-PCR were used to determine the regulatory effect of miR-129-5p on YWHAB. Cell apoptosis was detected by using the PI/Annexin V Cell Apoptosis Kit. The effect of miR-129-5p and YWHAB on the survival of lung cancer patients was also explored. Results: In this study, by combining the data derived from six GEO database, our results showed that miR-129-5p was downregulated in lung cancer tissues and YWHAB was upregulated in lung cancer patient' serum. A significant negative correlation between miR-129-5p and YWHAB was found in lung cancer tissues. Both the expression of YWHAB and miR-129-5p were associated significantly with prognosis (overall survival) in patients with lung cancer. Overexpression of miR-129-5p promotes VP16-induced lung cancer cell apoptosis and YWHAB was shown to be a direct downstream target of miR-129-5p. Conclusion: Overexpression of expression miR-129-5p contributes to etoposide-induced lung cancer apoptosis by modulating YWHAB.
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Affiliation(s)
- Chengshan Xu
- National Center for Clinical Laboratories, Beijing Hospital, National Center of Gerontology; Institute of GeriatricMedicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Zhongli Du
- National Center for Clinical Laboratories, Beijing Hospital, National Center of Gerontology; Institute of GeriatricMedicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Simei Ren
- National Center for Clinical Laboratories, Beijing Hospital, National Center of Gerontology; Institute of GeriatricMedicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Xiaoshuan Liang
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Huihui Li
- Department of Medical Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong Province, China
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18
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Moradimotlagh A, Arefian E, Rezazadeh Valojerdi R, Ghaemi S, Jamshidi Adegani F, Soleimani M. MicroRNA-129 Inhibits Glioma Cell Growth by Targeting CDK4, CDK6, and MDM2. MOLECULAR THERAPY. NUCLEIC ACIDS 2019; 19:759-764. [PMID: 31954330 PMCID: PMC6965505 DOI: 10.1016/j.omtn.2019.11.033] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 10/09/2019] [Accepted: 11/08/2019] [Indexed: 01/12/2023]
Abstract
Glioblastoma is the most common malignant primary brain tumor among adults and one of the most lethal cancers. It is characterized by the deregulation of signaling pathways involving proliferation, growth, survival, and other factors. MicroRNAs (miRNAs) play a role in the regulation of genes by affecting the 3′ untranslated region (UTR) of mRNA and affect many cell functions. The present study showed that miR-129 decreased the expression of retinoblastoma and p53 signaling pathways’ genes, including CDK4, CDK6, and MDM2. The real-time PCR data indicated that expression of CDK4 in U251 and U87 cell lines declined by 69.8% and 47% (p < 0.05), respectively, and expression of CDK6 and MDM2 in U251 cells decreased by 55.3% (p < 0.0001) and 34.7% (p < 0.05), respectively. Luciferase assays confirmed that overexpression of miR-129 decreased the expression of the CDK4 gene by 58.9% (p < 0.01), CDK6 by 35.7% (p < 0.0001), and MDM2 by 49% (p < 0.001). Moreover, cell cycle assays showed a decrease of the G2-phase population to 10% and pre-G2 arrest in U87 cells (p < 0.05). Additionally, wound healing assays indicated that miR-129 overexpression inhibits cell growth of glioblastoma cells. These findings introduced novel targets for miR-129 in glioblastoma cells.
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Affiliation(s)
- Atieh Moradimotlagh
- Department of Microbiology, School of Biology, College of Science, University of Tehran, Tehran, Iran
| | - Ehsan Arefian
- Department of Microbiology, School of Biology, College of Science, University of Tehran, Tehran, Iran.
| | | | - Shokoofeh Ghaemi
- Department of Microbiology, School of Biology, College of Science, University of Tehran, Tehran, Iran
| | - Fatemeh Jamshidi Adegani
- Laboratory for Stem Cell & Regenerative Medicine, Natural and Medicinal Sciences Research Center, University of Nizwa, PO Box 33, PC 616, Nizwa, Oman
| | - Masoud Soleimani
- Department of Hematology, School of Medical Science, Tarbiat Modares University, Tehran, Iran
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Zhang K, Mao T, He Z, Wu X, Peng Y, Chen Y, Dong Y, Ruan Z, Wang Z. Angiotensin I-converting enzyme gene plays a crucial role in the pathology of carcinomas in colorectal cancer. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2019; 47:2500-2506. [PMID: 31203648 DOI: 10.1080/21691401.2019.1626402] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Angiotensin I-Converting Enzyme (ACE, CD143) Gene plays a crucial role in the pathology of carcinomas in many cancers including colorectal cancer (CRC). However, the methylation of ACE was rarely reported. In this study, our purpose was to investigate the methylation status of ACE and explored its prognostic value in CRC. The expression of ACE was detected by quantitative real-time polymerase chain reaction (qRT-PCR) analysis while the methylation status of ACE was measured via methylation-specific polymerase chain reaction (MSP). The result demonstrated that ACE expression was up-regulated in tumour tissues and HT-29 cells compared with the controls. ACE was also confirmed to be hypomethylated in CRC. Next, we evaluated the influence of ACE hypomethylation on cell growth. It was proved to be a favourable factor for the cell proliferation, cell colony forming, but an inhibitor for the cell apoptosis of CRC cells according to MST assay, colony forming assay and flow cytometry assay. ACE hypomethylation was also considered to be related to the prognosis of CRC through Cox regression analysis. Taken together, the over-expression of ACE was regulated by its hypomethylation and the ACE hypomethylation might be an independent prognostic indicator in CRC.
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Affiliation(s)
- Keqian Zhang
- a Department of Oncology and Southwest Cancer Center, Southwest Hospital, Army Medical University , Chongqing , China
| | - Tianqi Mao
- b Department of Radiology, Southwest Hospital, Army Medical University , Chongqing , China
| | - Zhicheng He
- c Department of Pathology, Southwest Hospital, Army Medical University , Chongqing , China
| | - Xiaojiao Wu
- d Quality Management Section, Southwest Hospital, Army Medical University , Chongqing , China
| | - Yu Peng
- a Department of Oncology and Southwest Cancer Center, Southwest Hospital, Army Medical University , Chongqing , China
| | - Yanrong Chen
- a Department of Oncology and Southwest Cancer Center, Southwest Hospital, Army Medical University , Chongqing , China
| | - Yan Dong
- a Department of Oncology and Southwest Cancer Center, Southwest Hospital, Army Medical University , Chongqing , China
| | - Zhihua Ruan
- a Department of Oncology and Southwest Cancer Center, Southwest Hospital, Army Medical University , Chongqing , China
| | - Zhe Wang
- a Department of Oncology and Southwest Cancer Center, Southwest Hospital, Army Medical University , Chongqing , China
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20
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Shan G, Tang T, Xia Y, Qian HJ. Long non-coding RNA NEAT1 promotes bladder progression through regulating miR-410 mediated HMGB1. Biomed Pharmacother 2019; 121:109248. [PMID: 31734579 DOI: 10.1016/j.biopha.2019.109248] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Revised: 07/18/2019] [Accepted: 07/18/2019] [Indexed: 12/12/2022] Open
Abstract
LncRNA NEAT1 is reported as a crucial oncogene in multiple cancers. But, its biological role in bladder cancer is barely understood. Therefore, we concentrated on the function and role of NEAT1 in bladder cancer. Firstly, NEAT1 expression in bladder cancer cells was determined and it was displayed NEAT1 was significant elevated. NEAT1 was knockdown and overexpressed in T24 and J82 cells. Then it was indicated that NEAT1 silence greatly inhibited bladder cancer cell proliferation with an increased ratio of apoptotic cells and severe cell cycle arrest. Overexpression of NEAT1 exhibited a reversed process in bladder cancer cells. Additionally, in vivo experiments were employed using establishment of nude mice models. NEAT1 knockdown inhibited bladder cancer growth while increase of NEAT1 promoted bladder cancer development in vivo. By employing the bioinformatics analysis, we speculated that miR-410 was as a downstream target of NEAT1. Then, the targeting association between them was proved in our research and we implicated miR-410 was dramatically restrained in bladder cancer cells. Meanwhile, it was exhibited that miR-410 was negatively regulated by NEAT1. Apart from these, HMGB1 was speculated as a downstream target of miR-410. Dual-luciferase reporter assay was used to prove the correlation between miR-410 and HMGB1. Up-regulation of miR-410 restrained HMGB1 levels and NEAT1 can regulate HMGB1 level via sponging miR-410. To sum up, we implied NEAT1/miR-410/HMGB1 axis participated in bladder cancer.
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Affiliation(s)
- Guang Shan
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China.
| | - Tian Tang
- Department of Oncology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Yue Xia
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Hui-Jun Qian
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
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MicroRNA-129-5p suppresses proliferation, migration and invasion of retinoblastoma cells through PI3K/AKT signaling pathway by targeting PAX6. Pathol Res Pract 2019; 215:152641. [PMID: 31727502 DOI: 10.1016/j.prp.2019.152641] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 08/26/2019] [Accepted: 09/15/2019] [Indexed: 12/31/2022]
Abstract
BACKGROUND Retinoblastoma (RB) is the most common primary intraocular malignancy in children. Accumulating evidences have clarified that microRNAs (miRNAs) modulated signaling molecules by acting as oncogenes or tumor-suppressor genes in RB. Thus, in our study, we aimed to investigate the function of miR-129-5p in RB cells through PI3K/AKT signaling pathway by targeting PAX6. Two RB cell lines, Y79 and WERI-Rb-1, were selected in our study, followed by transfection of miR-129-5p inhibitor or si-PAX6 to explore the regulatory role of miR-129-5p in RB cell proliferation, invasion and migration. MATERIAL AND METHODS Dual-luciferase assay was used for the detection of targeting relationship between miR-129-5p and PAX6. Besides, western blot analysis was applied to detect expression of cell cycle-related factors (CDK2 and Cyclin E) and PI3K/AKT signaling pathway-related factors (p-AKT and AKT). Nude mice tumorigenesis experiment was used to evaluate the effect of miR-129a-5p on RB growth in vivo. RESULTS miR-129-5p was down-regulated in RB cell lines. miR-129-5p directly targeted the 3'-untranslated region of PAX6. Artificial down-regulation of miR-129-5p promoted cell proliferation, migration and invasion in RB cell lines Y79 and WERI-Rb-1, and promoted RB growth in vivo via PI3K/AKT signaling pathway, which could be reversed by transfection with silencing PAX6. CONCLUSION This study provides evidences that RB progression was suppressed by overexpressed miR-129-5p via direct targeting of PAX6 through PI3K/AKT signaling pathway, which may provide a molecular basis for better treatment for RB.
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A DSTYK mutation activates ERK1/2 signaling to promote intraspinal dissemination in a case of solitary fibrous tumor/hemangiopericytoma. J Transl Med 2019; 99:1501-1514. [PMID: 31201369 DOI: 10.1038/s41374-019-0274-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2019] [Revised: 04/20/2019] [Accepted: 04/23/2019] [Indexed: 12/18/2022] Open
Abstract
Intracranial solitary fibrous tumors/hemangiopericytomas (SFT/HPCs) are vascular tumors that have a high rate of local recurrence and extracranial metastases. Intradural extramedullary spinal dissemination of intracranial SFT/HPC is extremely rare. There is a paucity of data available to elucidate the molecular mechanisms of intraspinal dissemination of intracranial SFT/HPC. Herein, we presented a case of intracranial SFT/HPC with intraspinal metastasis. The resected tumor specimens were enrolled in a clinical sequencing program, including whole-exome and transcriptome sequencing. By comparing genomic sequencing data of the intracranial tumors with intraspinal metastasis, we established the somatic mutational profiles of these tumors. Clonality analysis revealed a distinct subclonal structure in the intracranial tumor and its intraspinal metastasis, which might reflect the possibility of intratumoral clonal selection and evolution during the process of tumor dissemination. Through bioinformatics analysis and Sanger sequencing validation, a DSTYK mutation (Met296Ile) was identified as a candidate driver of intraspinal metastasis in this SFT/HPC case. Further, an intracranial tumor-derived SFT/HPC cell line, HPC3, was established to explore the mechanisms of the DSTYK mutation in promoting SFT/HPC metastasis. Based on the HPC3 cell model, we found that the DSTYK mutation promoted cell migration and invasion of HPC3 cells via activation of ERK1/2 signaling, which was inhibited by the MEK/ERK inhibitor AZD6244. The DSTYK mutation was also shown to upregulate the expression of two metastasis-related molecules: MMP2 and MMP9 in HPC3 cells; however, this effect was attenuated by AZD6244 treatment. Therefore, the DSTYK mutation may activate ERK1/2/MMP2/9 signaling to promote tumor cell metastasis in SFT/HPC. In conclusion, our study revealed the potential role of DSTYK mutation in the regulation of intraspinal metastasis of SFT/HPC, which might provide new biological insights into this rare disease.
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Gorgulho CM, Romagnoli GG, Bharthi R, Lotze MT. Johnny on the Spot-Chronic Inflammation Is Driven by HMGB1. Front Immunol 2019; 10:1561. [PMID: 31379812 PMCID: PMC6660267 DOI: 10.3389/fimmu.2019.01561] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2019] [Accepted: 06/24/2019] [Indexed: 12/24/2022] Open
Abstract
Although much has been made of the role of HMGB1 acting as an acute damage associated molecular pattern (DAMP) molecule, prompting the response to tissue damage or injury, it is also released at sites of chronic inflammation including sites of infection, autoimmunity, and cancer. As such, the biology is distinguished from homeostasis and acute inflammation by the recruitment and persistence of myeloid derived suppressor cells, T regulatory cells, fibrosis and/or exuberant angiogenesis depending on the antecedents and the other individual inflammatory partners that HMGB1 binds and focuses, including IL-1β, CXCL12/SDF1, LPS, DNA, RNA, and sRAGE. High levels of HMGB1 released into the extracellular milieu and its persistence in the microenvironment can contribute to the pathogenesis of many if not all autoimmune disorders and is a key factor that drives inflammation further and worsens symptoms. HMGB1 is also pivotal in the maintenance of chronic inflammation and a “wound healing” type of immune response that ultimately contributes to the onset of carcinogenesis and tumor progression. Exosomes carrying HMGB1 and other instructive molecules are released and shape the response of various cells in the chronic inflammatory environment. Understanding the defining roles of REDOX, DAMPs and PAMPs, and the host response in chronic inflammation requires an alternative means for positing HMGB1's central role in limiting and focusing inflammation, distinguishing chronic from acute inflammation.
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Affiliation(s)
- Carolina M Gorgulho
- Tumor Immunology Laboratory, Department of Microbiology and Immunology, Botucatu Institute of Biosciences, São Paulo State University, Botucatu, Brazil.,DAMP Laboratory, Department of Surgery, Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA, United States
| | - Graziela G Romagnoli
- Tumor Immunology Laboratory, Department of Microbiology and Immunology, Botucatu Institute of Biosciences, São Paulo State University, Botucatu, Brazil
| | - Rosh Bharthi
- DAMP Laboratory, Department of Surgery, Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA, United States
| | - Michael T Lotze
- DAMP Laboratory, Department of Surgery, Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA, United States.,Department of Immunology, University of Pittsburgh, Pittsburgh, PA, United States.,Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, United States
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24
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Hu X, Chen M, Liu W, Li Y, Fu J. Preoperative plasma IGFBP2 is associated with nodal metastasis in patients with penile squamous cell carcinoma. Urol Oncol 2019; 37:452-461. [DOI: 10.1016/j.urolonc.2019.04.013] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Revised: 04/10/2019] [Accepted: 04/14/2019] [Indexed: 12/21/2022]
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25
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Jia L, Song Y, Song H, Wang G, Fan W, Li X, Zheng H, Yao A. Overexpression of high mobility group box 1 (HMGB1) has no correlation with the prognosis in glioma. Biomark Med 2019; 13:851-863. [PMID: 31241346 DOI: 10.2217/bmm-2019-0031] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Aim: We aimed to characterize the role of HMGB1 overexpression in glioma and to evaluate its use as a biomarker. Materials & methods: We used the gene expression datasets and tissue microarray to assess the expression levels of HMGB1 among gliomas of all grades; We then assessed its correlation with the malignancy and outcome of glioma. Results: The increase in HMGB1 mRNA and protein levels was found in glioma, but there was no correlation between HMGB1 expression and glioma malignancy, and overall survival and vital status of glioma patients. Conclusion: Overexpression of HMGB1 is not associated with the malignancy and outcome in glioma. And it is not the valuable biomarker for the early diagnosis of glioma.
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Affiliation(s)
- Liyun Jia
- Department of Medical Genetics & Cell Biology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - Yanan Song
- Department of Medical Genetics & Cell Biology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - Huiling Song
- Department of Medical Genetics & Cell Biology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - Gang Wang
- Henan Eye Institute, Henan Provincial People's Hospital, Zhengzhou, Henan Province, PR China
| | - Wange Fan
- Department of Medical Genetics & Cell Biology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - Xueli Li
- Department of Medical Genetics & Cell Biology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - Hong Zheng
- Department of Medical Genetics & Cell Biology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - Anhui Yao
- Department of Neurosurgery, 988th Hospital of Chinese People's Liberation Army, Zhengzhou, Henan Province, PR China.,Department of Neurosurgery, the General Hospital of PLA, Beijing, PR China
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26
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Gong Y, Wan JH, Zou W, Lian GY, Qin JL, Wang QM. MiR-29a inhibits invasion and metastasis of cervical cancer via modulating methylation of tumor suppressor SOCS1. Future Oncol 2019; 15:1729-1744. [PMID: 31038361 DOI: 10.2217/fon-2018-0497] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Aims: To investigate roles of miR-29a-DNMT1-SOCS1 axis in cervical cancer invasion and migration. Materials & methods: The methylation level of SOCS1 was determined by methylation specific PCR. The cell apoptosis, proliferation, migration and invasion were examined by Annexin-V/PI staining, MTT and colony formation assays, plus scratch and transwell assays respectively. The expressions of epithelial-mesenchymal transition and NF-κB related proteins were determined by western blotting. Results: MiR-29a was downregulated, accompanied with DNMT1 upregulation and SOCS1 downregulation in cervical cancer tissues. MiR-29a suppressed DNMT1, inhibited SOCS1 promoter methylation and upregulated its expression. Moreover, miR-29a promoted cell apoptosis, suppressed proliferation, inhibited migration and invasion via inactivation of NF-κB signaling pathway in cervical cancer cells. Conclusion: MiR-29a-DNMT1-SOCS1 axis plays an important role on invasion and metastasis in cervical cancer via NF-κB signaling pathway.
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Affiliation(s)
- Yi Gong
- Department of Obstetrics & Gynecology, The First Affiliated Hospital of Nanchang University, Nanchang 330006, PR China
| | - Jun-Hui Wan
- Department of Obstetrics & Gynecology, The First Affiliated Hospital of Nanchang University, Nanchang 330006, PR China
| | - Wei Zou
- Department of Infectious Diseases, The First Affiliated Hospital of Nanchang University, Nanchang 330006, PR China
| | - Guang-Yu Lian
- Department of Medicine & Therapeutics, The Chinese University of Hong Kong, Hong Kong SAR, PR China
| | - Jun-Li Qin
- Department of Obstetrics & Gynecology, The First Affiliated Hospital of Nanchang University, Nanchang 330006, PR China
| | - Qing-Ming Wang
- Department of Hematology, the Second Affiliated Hospital of Nanchang University, Nanchang 330006, PR China
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27
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Li W, Li C, Xiong Q, Tian X, Ru Q. MicroRNA-10b-5p downregulation inhibits the invasion of glioma cells via modulating homeobox B3 expression. Exp Ther Med 2019; 17:4577-4585. [PMID: 31105788 PMCID: PMC6507523 DOI: 10.3892/etm.2019.7506] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Accepted: 03/22/2019] [Indexed: 12/18/2022] Open
Abstract
MicroRNA-10b (miR-10b) has been reported to be specifically upregulated in glioma tissues and cell lines. The aim of the present study was to investigate the effect of miR-10b-5p on the proliferation and invasion of glioma cells, and the possible underlying molecular mechanism. Cell viability was evaluated using an MTT assay, and flow cytometry was performed for cell cycle analysis. The effects of miR-10b-5p on glioma cell migration and invasion were assessed using wound healing and Transwell assays, respectively. The activity of matrix metalloproteinase 2 (MMP2) was also determined using zymography. Furthermore, homeobox B3 (HOXB3) mRNA expression in glioma cells was examined using quantitative polymerase chain reaction analysis. The protein expression levels of HOXB3, high mobility group box 1 (HMGB1) and Ras homolog family member C (RhoC) were further measured using western blotting. It was observed that glioma cells transfected with miR-10b-5p inhibitor exhibited significantly decreased proliferation. The wound healing and Transwell assays demonstrated that the miR-10b-5p inhibitor reduced the ability of glioma cells to migrate and invade, while transfection with miR-10b-5p mimic exhibited the opposite effect. HOXB3 was downregulated by miR-10b-5p at both the mRNA and protein levels. In addition, the expression of proteins associated with migration and invasion, including HMGB1, RhoC and MMP2, was upregulated in glioma cells transfected with miR-10b-5p mimic, while these proteins were downregulated in cells transfected with miR-10b-5p inhibitor. Taken together, the findings of the present study indicated that miR-10b-5p downregulation suppressed glioma cell proliferation and invasion, possibly by modulating HOXB3, which may provide a novel bio-target for glioma therapy.
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Affiliation(s)
- Weiling Li
- Wuhan Institutes of Biomedical Sciences, Jianghan University, Wuhan, Hubei 430056, P.R. China
| | - Chaoying Li
- Wuhan Institutes of Biomedical Sciences, Jianghan University, Wuhan, Hubei 430056, P.R. China
| | - Qi Xiong
- Wuhan Institutes of Biomedical Sciences, Jianghan University, Wuhan, Hubei 430056, P.R. China
| | - Xiang Tian
- Wuhan Institutes of Biomedical Sciences, Jianghan University, Wuhan, Hubei 430056, P.R. China
| | - Qin Ru
- Wuhan Institutes of Biomedical Sciences, Jianghan University, Wuhan, Hubei 430056, P.R. China
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28
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Hu X, Chen M, Li Y, Wang Y, Wen S, Jun F. Aberrant CEACAM19 expression is associated with metastatic phenotype in penile cancer. Cancer Manag Res 2019; 11:715-725. [PMID: 30679925 PMCID: PMC6338120 DOI: 10.2147/cmar.s192385] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Objective A greater knowledge of the mechanisms of the pathogenesis of penile cancers may assist in the development of more tailored targeted therapy. Herein, we aimed to evaluate the expression of CEACAM19 in penile cancer and to explore its regulatory mechanisms. Material and methods This retrospective study enrolled 64 penile cancer patients who underwent penectomy between 2011 and 2015. CEACAM19 expression in tissues was detected by immunohistochemistry, which was analyzed in association with clinicopathological parameters. Kaplan–Meier analysis was performed to evaluate the relationship between CEACAM19 expression and prognosis of patients with penile cancer. Cell Counting Kit-8 assay and clonogenic assay were used to evaluate the cell viability and tumorigenic potential of penile cancer cell line, respectively; wound healing assay and transwell invasion assay were conducted to evaluate the effect of CEACAM19 depletion on cell migration and invasion in penile cancer cells; CEACAM19 protein expression was analyzed by Western blotting. Culture supranatant matrix metalloproteinase 2/9 (MMP2/9) was detected by ELISA. Results CEACAM19 was differentially expressed in non-cancerous and penile cancer tissues. Over-expression of CEACAM19 was significantly associated with nodal and distant metastasis, and predicted unfavorable cancer-specific survival in penile cancer. Depletion of CEACAM19 expression suppressed cell proliferation, reduced colony formation, and attenuated cell migration and invasion in Penl1 cells. Furthermore, knockdown of CEACAM19 expression attenuated the levels of p-Smad2/3 and reduced secretion of MMP2/9 in Penl1 cells. The effects of CEACAM19 might result from its function in regulating the Smad2/3 activation, as inhibition on Smad2/3 activation suppressed cell migration and invasion and reduced MMP2/9 secretion in Penl1 cells. Conclusion Over-expression of CEACAM19 might serve as a potential prognostic biomarker for clinical management of penile cancer. Strategies targeting CEACAM19-regulated signaling pathways may have a therapeutic benefit in penile cancer.
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Affiliation(s)
- Xiheng Hu
- Department of Urology, Xiangya Hospital, Central South University, Changsha, Human 410008, P.R. China
| | - Mingfeng Chen
- Department of Urology, Xiangya Hospital, Central South University, Changsha, Human 410008, P.R. China
| | - Yangle Li
- Department of Urology, Xiangya Hospital, Central South University, Changsha, Human 410008, P.R. China
| | - Yin Wang
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, Human 410008, P.R. China
| | - Sailan Wen
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, Human 410008, P.R. China
| | - Fu Jun
- Laboratory of Oncology Research, Department of Oncology, Xiangya Hospital, Central South University, Changsha, Human 410008, P.R. China,
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29
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Cheng P, Ma Y, Gao Z, Duan L. High Mobility Group Box 1 (HMGB1) Predicts Invasion and Poor Prognosis of Glioblastoma Multiforme via Activating AKT Signaling in an Autocrine Pathway. Med Sci Monit 2018; 24:8916-8924. [PMID: 30531692 PMCID: PMC6296343 DOI: 10.12659/msm.912104] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Background As a nuclear protein and a secreted protein, HMGB1 is involved in many cellular processes such as proliferation, transcription, and inflammation. The overexpression of HMGB1 in various types of cancers is reported, but its clinical significance and prognostic value in glioblastoma multiforme (GBM) has not been well defined. Material/Methods The expression of HMGB1 in 116 patients with GBM was investigated with immunohistochemistry, and was detected with qRT-PCR in 12 pairs of tumor tissues and adjacent tissues. The correlations between HMGB1 and clinicopathological factors were analyzed with the chi-square test. Prognostic value of HMGB1 was evaluated with univariate analysis and multivariate analysis. By knocking down HMGB1 by siRNA, the functions of HMGB1 in progression of GBM cell lines were investigated by experiments in vitro. Results In our study, patients with high HMGB1 expression accounted for 42.2% of all the patients. High HMGB1 was correlated with low survival rates and was identified as an independent prognostic factor of GBM. Knockdown of intracellular HMGB1 remarkably decreased GBM cells proliferation and invasion. In hypoxia, intracellular HMGB1 of GBM cells was released out and activated AKT and ERK signaling pathways, thus promoting GBM cell invasion in this autocrine pathway. Conclusions HMGB1 is an independent prognostic biomarker for unfavorable prognosis of patients with GBM. Released HMGB1 of GBM cells can activate AKT and ERK signaling pathways and promote GBM cells invasion in this autocrine pathway, indicating that anti-HMGB1 therapy may be a promising treatment for GBM.
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Affiliation(s)
- Peng Cheng
- Department of Critical Care Medicine, Yidu Central Hospital of Weifang, Weifang, Shandong, China (mainland)
| | - Yun Ma
- Department of Critical Care Medicine, Yidu Central Hospital of Weifang, Weifang, Shandong, China (mainland)
| | - Zhiqiang Gao
- Department of Nephrology, Yidu Central Hospital of Weifang, Weifang, Shandong, China (mainland)
| | - Lingling Duan
- Department of Geriatric Medicine, Jinan Central Hospital of Shandong University, Jinan, Shandong, China (mainland)
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30
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Hong B, Muili K, Bolyard C, Russell L, Lee TJ, Banasavadi-Siddegowda Y, Yoo JY, Yan Y, Ballester LY, Bockhorst KH, Kaur B. Suppression of HMGB1 Released in the Glioblastoma Tumor Microenvironment Reduces Tumoral Edema. MOLECULAR THERAPY-ONCOLYTICS 2018; 12:93-102. [PMID: 30719499 PMCID: PMC6350213 DOI: 10.1016/j.omto.2018.11.005] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 11/27/2018] [Indexed: 12/25/2022]
Abstract
HMGB1 is a ubiquitously expressed intracellular protein that binds DNA and transcription factors and regulates chromosomal structure and function. Under conditions of cell death or stress, it is actively or passively released by cells into the extracellular environment, where it functions as damage-associated molecular pattern (DAMP) that orchestrates pro-inflammatory cytokine release and inflammation. Our results demonstrate that HMGB1 is secreted in the tumor microenvironment after oncolytic HSV (oHSV) infection in vitro and in vivo. The impact of secreted HMGB1 on tumor growth and response to oncolytic viral therapy was evaluated by using HMGB1-blocking antibodies in vitro and in mice bearing intracranial tumors. IVIS and MRI imaging was utilized to visualize in real time virus spread, tumor growth, and changes in edema in mice. Our data showed that HMGB1 released in tumor microenvironment orchestrated increased vascular leakiness and edema. Further HMGB1 blocking antibodies rescued vascular leakiness and enhanced survival of intracranial glioma-bearing mice treated with oHSV.
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Affiliation(s)
- Bangxing Hong
- Department of Neurosurgery, McGovern Medical School, University of Texas Health Science Center, Houston, TX, USA
| | - Kamaldeen Muili
- The James Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA.,College of Health and Human Services, Bowling Green State University, Bowling Green, OH, USA
| | - Chelsea Bolyard
- The James Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA.,OhioHealth Research & Innovation Institute, OhioHealth, Columbus, OH, USA
| | - Luke Russell
- The James Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA.,Vyriad, Rochester, MN, USA
| | - Tae Jin Lee
- Department of Neurosurgery, McGovern Medical School, University of Texas Health Science Center, Houston, TX, USA
| | - Yeshavanth Banasavadi-Siddegowda
- Department of Neurosurgery, McGovern Medical School, University of Texas Health Science Center, Houston, TX, USA.,Surgical Neurology Branch, NINDS, NIH, Bethesda, MD, USA
| | - Ji Young Yoo
- Department of Neurosurgery, McGovern Medical School, University of Texas Health Science Center, Houston, TX, USA
| | - Yuanqing Yan
- Department of Neurosurgery, McGovern Medical School, University of Texas Health Science Center, Houston, TX, USA
| | - Leomar Y Ballester
- Department of Neurosurgery, McGovern Medical School, University of Texas Health Science Center, Houston, TX, USA.,Department of Pathology and Laboratory Medicine, McGovern Medical School, University of Texas Health Science Center, Houston, TX, USA
| | - Kurt H Bockhorst
- Department of Diagnostic and Interventional Imaging, University of Texas Health Science Center, Houston, TX, USA
| | - Balveen Kaur
- Department of Neurosurgery, McGovern Medical School, University of Texas Health Science Center, Houston, TX, USA.,The James Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA
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31
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Liu K, Zhang Y, Liu L, Yuan Q. MALAT1 promotes proliferation, migration, and invasion of MG63 cells by upregulation of TGIF2 via negatively regulating miR-129. Onco Targets Ther 2018; 11:8729-8740. [PMID: 30584331 PMCID: PMC6287664 DOI: 10.2147/ott.s182993] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Purpose This article aimed to investigate the mechanism by which MALAT1 and miR-129 affected the development of osteosarcoma. Methods Tumor tissues and adjacent tissues of 23 osteosarcoma patients were collected. Normal osteoblasts hFOB1.19 and osteosarcoma cells MG63 were cultured. MG63 cells were transfected and grouped: si-negative control (NC) group, si-MALAT1 group, miR-129 NC group, miR-129 mimics group, p-Empty vector group, p-MALAT1 group, p-MALAT1+ miR-129 mimics group, and p-MALAT1+ si-TGIF2 group. Luciferase reporter assay, Cell Counting Kit-8 assay, Transwell assay, quantitative reverse transcription PCR, Western blot, and Pearson correlation analysis were performed. Results MALAT1 expression in tumor tissues and MG63 cells was increased (P<0.01). High MALAT1 expression predicted poor prognosis of osteosarcoma patients. MG63 cells of si-MALAT1 group exhibited much lower cell viability, migration, and invasive cell numbers when compared with si-NC group (P<0.01). For MG63 cells of miR-129 mimics group, they had markedly lower cell viability, migration, and invasive cell numbers than miR-129 NC group (P<0.01). miR-129 was targetedly and negatively regulated by MALAT1. TGIF2, which was targetedly and negatively regulated by miR-129, was overexpressed in tumor tissues and MG63 cells (P<0.01). miR-129 overexpresison and TGIF2 downregulation significantly reversed the enhanced cell viability, migration, and invasion induced by MALAT1 (P<0.01). Conclusion MALAT1 promotes TGIF2 expression through negative regulation of miR-129, which further promotes the proliferation, migration, and invasion of MG63 cells.
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Affiliation(s)
- Kai Liu
- Department of Orthopedics, The First Affliated Hospital of Xi'an Jiaotong University, Xi'an, China,
| | - Yingang Zhang
- Department of Orthopedics, The First Affliated Hospital of Xi'an Jiaotong University, Xi'an, China,
| | - Liang Liu
- Department of Orthopedics, The First Affliated Hospital of Xi'an Jiaotong University, Xi'an, China,
| | - Qiling Yuan
- Department of Orthopedics, The First Affliated Hospital of Xi'an Jiaotong University, Xi'an, China,
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32
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Gaskell H, Ge X, Nieto N. High-Mobility Group Box-1 and Liver Disease. Hepatol Commun 2018; 2:1005-1020. [PMID: 30202816 PMCID: PMC6128227 DOI: 10.1002/hep4.1223] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Accepted: 06/03/2018] [Indexed: 12/12/2022] Open
Abstract
High‐mobility group box‐1 (HMGB1) is a ubiquitous protein. While initially thought to be simply an architectural protein due to its DNA‐binding ability, evidence from the last decade suggests that HMGB1 is a key protein participating in the pathogenesis of acute liver injury and chronic liver disease. When it is passively released or actively secreted after injury, HMGB1 acts as a damage‐associated molecular pattern that communicates injury and inflammation to neighboring cells by the receptor for advanced glycation end products or toll‐like receptor 4, among others. In the setting of acute liver injury, HMGB1 participates in ischemia/reperfusion, sepsis, and drug‐induced liver injury. In the context of chronic liver disease, it has been implicated in alcoholic liver disease, liver fibrosis, nonalcoholic steatohepatitis, and hepatocellular carcinoma. Recently, specific posttranslational modifications have been identified that could condition the effects of the protein in the liver. Here, we provide a detailed review of how HMGB1 signaling participates in acute liver injury and chronic liver disease.
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Affiliation(s)
- Harriet Gaskell
- Department of Pathology University of Illinois at Chicago Chicago IL
| | - Xiaodong Ge
- Department of Pathology University of Illinois at Chicago Chicago IL
| | - Natalia Nieto
- Department of Pathology University of Illinois at Chicago Chicago IL.,Department of Medicine University of Illinois at Chicago Chicago IL
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33
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The SNAIL/miR-128 axis regulated growth, invasion, metastasis, and epithelial-to-mesenchymal transition of gastric cancer. Oncotarget 2018; 8:39280-39295. [PMID: 28424413 PMCID: PMC5503613 DOI: 10.18632/oncotarget.16849] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Accepted: 03/11/2017] [Indexed: 02/07/2023] Open
Abstract
miR-128 is expressed in various tumors, but its expression and function in gastric cancer have not been defined. Thus, the goal of this study was to characterize miR-128 in gastric cancer. We found first that miR-128 is down-regulated in gastric cancer cell lines and tissues, and this dysregulation is correlated with DNA methylation and the transcription factor SNAIL. Using prediction tools, western blotting, and luciferase reporter assays, we found that Bmi-1 was the direct target of miR-128. Additionally, overexpression of miR-128 inhibited gastric cancer cell migration, invasion, and proliferation by targeting Bmi-1 in vitro and in vivo. We also documented, with receiver operating characteristic curves and Kaplan-Meier survival analysis, that miR-128 and Bmi-1 may be useful markers for diagnosing and estimating the prognosis of gastric cancer patients. As the epithelial-to-mesenchymal transition is an important mechanism associated with cancer invasion and metastasis, we inferred that miR-128 could regulate this mechanism in gastric cancer. In fact, we found that miR-128 could reverse epithelial-to-mesenchymal transition induced by Bmi-1 via the PI3K/AKT pathway. Because SNAIL also acts as a mesenchymal marker, our findings identified a novel positive feedback loop in which the transcription factor SNAIL curbs the expression of miR-128, and then down-regulated miR-128 promotes the expression of Bmi-1; finally, overexpression of Bmi-1 drives the epithelial-to-mesenchymal transition process via the PI3K/AKT pathway, and the expression of SNAIL is up-regulated.
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Xiong Z, Wang L, Wang Q, Yuan Y. LncRNA MALAT1/miR-129 axis promotes glioma tumorigenesis by targeting SOX2. J Cell Mol Med 2018; 22:3929-3940. [PMID: 29808528 PMCID: PMC6050487 DOI: 10.1111/jcmm.13667] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Accepted: 04/02/2018] [Indexed: 01/06/2023] Open
Abstract
We aimed to explore the interaction among lncRNA MALAT1, miR‐129 and SOX2. Besides, we would investigate the effect of MALAT1 on the proliferation of glioma stem cells and glioma tumorigenesis. Differentially expressed lncRNAs in glioma cells and glioma stem cells were screened out with microarray analysis. The targeting relationship between miR‐129 and MALAT1 or SOX2 was validated by dual‐luciferase reporter assay. The expressions of MALAT1, miR‐129 and SOX2mRNA in both glioma non‐stem cells and glioma stem cells were examined by qRT‐PCR assay. The impact of MALAT1 and miR‐129 on glioma stem cell proliferation was observed by CCK‐8 assay, EdU assay and sphere formation assay. The protein expression of SOX2 was determined by western blot. The effects of MALAT1 and miR‐129 on glioma tumour growth were further confirmed using xenograft mouse model. The mRNA expression of MALAT1 was significantly up‐regulated in glioma stem cells compared with non‐stem cells, while miR‐129 was significantly down‐regulated in glioma stem cells. MALAT1 knockdown inhibited glioma stem cell proliferation via miR‐129 enhancement. Meanwhile, miR‐129 directly targeted at SOX2 and suppressed cell viability and proliferation of glioma stem cells by suppressing SOX2 expression. The down‐regulation of MALAT1 and miR‐129 overexpression both suppressed glioma tumour growth via SOX2 expression promotion in vivo. MALAT1 enhanced glioma stem cell viability and proliferation abilities and promoted glioma tumorigenesis through suppressing miR‐129 and facilitating SOX2 expressions.
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Affiliation(s)
- Zhiyong Xiong
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Luyang Wang
- Department of Neurology, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qiangping Wang
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ye Yuan
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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35
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Xia L, Ke C, Lu J. NEAT1 contributes to neuropathic pain development through targeting miR‐381/HMGB1 axis in CCI rat models. J Cell Physiol 2018; 233:7103-7111. [PMID: 29633273 DOI: 10.1002/jcp.26526] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Accepted: 01/31/2018] [Indexed: 02/06/2023]
Affiliation(s)
- Lie‐Xin Xia
- Department of NeurologyFirst People's Hospital of JingzhouFirst Affiliated Hospital of Yangtze UniversityJingzhouHubeiP.R. China
| | - Chengming Ke
- Department of NeurologyFirst People's Hospital of JingzhouFirst Affiliated Hospital of Yangtze UniversityJingzhouHubeiP.R. China
| | - Jing‐Min Lu
- Department of NeurologyHuai'an Second People's HospitalThe Affiliated Huai'an Hospital of Xuzhou Medical UniversityHuai'anP. R. China
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36
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Cruickshank B, Giacomantonio M, Marcato P, McFarland S, Pol J, Gujar S. Dying to Be Noticed: Epigenetic Regulation of Immunogenic Cell Death for Cancer Immunotherapy. Front Immunol 2018; 9:654. [PMID: 29666625 PMCID: PMC5891575 DOI: 10.3389/fimmu.2018.00654] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Accepted: 03/16/2018] [Indexed: 12/13/2022] Open
Abstract
Immunogenic cell death (ICD) activates both innate and adaptive arms of the immune system during apoptotic cancer cell death. With respect to cancer immunotherapy, the process of ICD elicits enhanced adjuvanticity and antigenicity from dying cancer cells and consequently, promotes the development of clinically desired antitumor immunity. Cancer ICD requires the presentation of various "hallmarks" of immunomodulation, which include the cell-surface translocation of calreticulin, production of type I interferons, and release of high-mobility group box-1 and ATP, which through their compatible actions induce an immune response against cancer cells. Interestingly, recent reports investigating the use of epigenetic modifying drugs as anticancer therapeutics have identified several connections to ICD hallmarks. Epigenetic modifiers have a direct effect on cell viability and appear to fundamentally change the immunogenic properties of cancer cells, by actively subverting tumor microenvironment-associated immunoevasion and aiding in the development of an antitumor immune response. In this review, we critically discuss the current evidence that identifies direct links between epigenetic modifications and ICD hallmarks, and put forward an otherwise poorly understood role for epigenetic drugs as ICD inducers. We further discuss potential therapeutic innovations that aim to induce ICD during epigenetic drug therapy, generating highly efficacious cancer immunotherapies.
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Affiliation(s)
| | | | - Paola Marcato
- Department of Pathology, Dalhousie University, Halifax, NS, Canada
- Department of Microbiology and Immunology, Dalhousie University, Halifax, NS, Canada
| | - Sherri McFarland
- Department of Chemistry and Biochemistry, The University of North Carolina at Greensboro, Greensboro, NC, United States
- Department of Chemistry, Acadia University, Wolfville, NS, Canada
| | - Jonathan Pol
- Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
- INSERM, U1138, Paris, France
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Paris, France
- Université Paris Descartes, Université Sorbonne Paris Cité, Paris, France
- Université Pierre et Marie Curie, Paris, France
| | - Shashi Gujar
- Department of Pathology, Dalhousie University, Halifax, NS, Canada
- Department of Microbiology and Immunology, Dalhousie University, Halifax, NS, Canada
- Department of Biology, Dalhousie University, Halifax, NS, Canada
- Centre for Innovative and Collaborative Health Services Research, IWK Health Centre, Halifax, NS, Canada
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37
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Diao Y, Jin B, Huang L, Zhou W. MiR-129-5p inhibits glioma cell progression in vitro and in vivo by targeting TGIF2. J Cell Mol Med 2018; 22:2357-2367. [PMID: 29431269 PMCID: PMC5867105 DOI: 10.1111/jcmm.13529] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Accepted: 12/02/2017] [Indexed: 01/05/2023] Open
Abstract
This study purposed to explore the correlation between miR-129-5p and TGIF2 and their impacts on glioma cell progression. Differentially expressed miRNA was screened through microarray analysis. MiR-129-5p expression levels in glioma tissues and cells were measured by qRT-PCR. CCK-8 assay, flow cytometer, transwell assay and wound-healing assay were employed to detect cell proliferation, apoptosis and cycle, invasiveness and migration, respectively. Dual-luciferase reporting assay was performed to confirm the targeted relationship between miR-129-5p and TGIF2. The effects of TGIF2 expression on cell biological functions were also investigated using the indicated methods. Tumour xenograft was applied to explore the impact of miR-129-5p on tumorigenesis in vivo. MiR-129-5p expression was down-regulated in both glioma tissues and glioma cells, while TGIF2 expression was aberrantly higher than normal level. Dual-luciferase reporter assay validated the targeting relation between miR-129-5p and TGIF2. Overexpression of miR-129-5p or down-regulation of TGIF2 inhibited the proliferation, invasion and migration capacity of glioma cells U87 and U251, and meanwhile blocked the cell cycle as well as induced cell apoptosis. MiR-129-5p overexpression repressed the tumour development in vivo. MiR-129-5p and TGIF2 had opposite biological functions in glioma cells. MiR-129-5p could inhibit glioma cell progression by targeting TGIF2, shining light for the development of target treatment for glioma.
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Affiliation(s)
- Yuling Diao
- Department of NeurosurgeryThe First Affiliated Hospital of Xinxiang Medical UniversityWeihuiHenanChina
| | - Baozhe Jin
- Department of NeurosurgeryThe First Affiliated Hospital of Xinxiang Medical UniversityWeihuiHenanChina
| | - Liyong Huang
- Department of NeurosurgeryThe First Affiliated Hospital of Xinxiang Medical UniversityWeihuiHenanChina
| | - Wenke Zhou
- Department of NeurosurgeryThe First Affiliated Hospital of Xinxiang Medical UniversityWeihuiHenanChina
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38
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MicroRNA-Mediated Regulation of HMGB1 in Human Hepatocellular Carcinoma. BIOMED RESEARCH INTERNATIONAL 2018; 2018:2754941. [PMID: 29651425 PMCID: PMC5832039 DOI: 10.1155/2018/2754941] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Accepted: 01/04/2018] [Indexed: 12/15/2022]
Abstract
High-mobility group box 1 (HMGB1) is a potential therapeutic target and novel biomarker in a variety of malignant tumors, including hepatocellular carcinoma (HCC). More recently, a number of microRNAs (miRNAs) are identified as a class of regulators for broad control of HMGB1-mediated biological actions in eukaryotic cells. In this review article we will describe representative miRNAs involved in regulating the HMGB1 signaling pathways in HCC cell lines and/or animal models. We also propose the possible mechanisms underlying the miRNA/HMGB1 axis and discuss the future clinical significance of miRNAs targeting HMGB1 molecule for HCC therapy.
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39
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Wilczyński M, Żytko E, Danielska J, Szymańska B, Dzieniecka M, Nowak M, Malinowski J, Owczarek D, Wilczyński JR. Clinical significance of miRNA-21, -103, -129, -150 in serous ovarian cancer. Arch Gynecol Obstet 2018; 297:741-748. [DOI: 10.1007/s00404-018-4660-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Accepted: 01/09/2018] [Indexed: 02/07/2023]
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40
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Methylation-mediated repression of microRNA-129-2 suppresses cell aggressiveness by inhibiting high mobility group box 1 in human hepatocellular carcinoma. Oncotarget 2018; 7:36909-36923. [PMID: 27191994 PMCID: PMC5095048 DOI: 10.18632/oncotarget.9377] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2015] [Accepted: 04/16/2016] [Indexed: 12/21/2022] Open
Abstract
Aberrant expression of microRNAs (miRNAs) and its dysfunction have been revealed as crucial modulators of cancer initiation and progression. MiR-129-2 has been reported to play a tumor suppressive role in different human malignancies. Here, we demonstrated that miR-129-2 was significantly decreased in hepatocellular carcinoma (HCC) tissues and cell lines. Furthermore, miR-129-2 was expressed at significant lower levels in aggressive and recurrent tumor tissues. Clinical analysis indicated that miR-129-2 expression was inversely correlated with venous infiltration, high Edmondson-Steiner grading and advanced tumor-node-metastasis (TNM) stage in HCC. Notably, miR-129-2 was an independent prognostic factor for indicating overall survival (OS) and disease-free survival (DFS) of HCC patients. Ectopic expression of miR-129-2 inhibited cell migration and invasion in vitro and in vivo. Furthermore, we confirmed that high mobility group box 1 (HMGB1) was a direct target of miR-129-2, and it abrogated the function of miR-129-2 in HCC. Mechanistic investigations showed that miR-129-2 overexpression inhibited AKT phosphorylation at Ser473 and decreased the expression of matrix metalloproteinase2/9 (MMP2/9). Upregulation of p-AKT abolished the decreased cell migration and invasion induced by miR-129-2 in HCC. Whereas inhibition of Akt phosphorylation significantly decreased HMGB1-enhanced HCC cell migration and invasion. Moreover, we found that miR-129-2 was downregulated by DNA methylation, and demethylation of miR-129-2 increased miR-129-2 expression in HCC cells and resulted in significant inhibitory effects on cell migration and invasion. In conclusion, miR-129-2 may serve as a prognostic indicator for HCC patients and exerts tumor suppressive role, at least in part, by inhibiting HMGB1.
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41
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Methylation of microRNA-129-5P modulates nucleus pulposus cell autophagy by targeting Beclin-1 in intervertebral disc degeneration. Oncotarget 2017; 8:86264-86276. [PMID: 29156793 PMCID: PMC5689683 DOI: 10.18632/oncotarget.21137] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2017] [Accepted: 08/06/2017] [Indexed: 12/11/2022] Open
Abstract
MicroRNAs play an important role in the etiology and progression of many diseases, including intervertebral disc degeneration (IVDD). The miRNA miR-129-5P regulates autophagy in various cancers, but its role in human nucleus pulposus (NP) cells is unclear. The present study investigated whether miR-129-5p regulates the expression of Beclin-1 which is known to induce autophagy in NP cells by evaluating their levels in normal and degenerative disc tissues and human NP cells transfected with miR-129-5P mimic or inhibitor by quantitative real-time (qRT-)PCR, western blotting, flow cytometry, and immunofluorescence analysis. A bioinformatics analysis was used to predict the relationship between miR-129-5P and Beclin-1, which was confirmed by the dual luciferase assay. DNA methylation status was assessed by methylation-specific PCR, and the effect of demethylation on miR-129-5P level and autophagy was examined by qRT-PCR, western blotting, and flow cytometry. We found that miR-129-5P expression was downregulated while that of Beclin-1 and LC3-II was upregulated in degenerative disc NP cells. Meanwhile, autophagy was reduced in human NP cells transfected with miR-129-5P mimic, whereas the opposite result was observed upon treatment with miR-129-5P inhibitor. Bioinformatics analysis and the luciferase reporter assay revealed that Beclin-1 is a target of and is inhibited by miR-129-5P. We also found that CpG islands in the miR-129-5P promoter region were hypermethylated in degenerative as compared to normal disc tissue. Thus, miR-129-5P blocks NP cell autophagy by directly inhibiting Beclin-1, a process that is dependent on miR-129-5P promoter methylation.
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42
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Ames H, Halushka MK, Rodriguez FJ. miRNA Regulation in Gliomas: Usual Suspects in Glial Tumorigenesis and Evolving Clinical Applications. J Neuropathol Exp Neurol 2017; 76:246-254. [PMID: 28431179 DOI: 10.1093/jnen/nlx005] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
In recent years, an increasing role for noncoding small RNAs (miRNA) has been uncovered in carcinogenesis. These oligonucleotides can promote degradation and/or inhibit translation of key mRNAs. Recent studies have also highlighted a possible role for miRNAs in adult and pediatric brain tumors, including high- and low-grade gliomas, medulloblastoma, ependymoma, and neoplasms associated with neurofibromatosis type 1. Gliomas represent the most common category of primary intraparenchymal brain tumors, and, for example, manipulation of signaling pathways, through inhibition of PTEN transcription appears to be an important function of miRNA dysregulation through miR-21, miR-106b, and miR-26a. Moreover, altered miRNA expression in gliomas play roles in the regulation of common tumorigenic processes, including receptor tyrosine kinase signaling, angiogenesis, invasion, suppression of differentiation, cell cycle enhancement, and inhibition of apoptosis. Suppression of differentiation requires the downregulation of a number of miRNAs that are both enriched in the brain and required for terminal glial differentiation, including miR-219 and miR-338. Our evolving understanding about the biology of gliomas make them attractive for miRNA study, given that recent evidence suggests that epigenetic and subtle genetic changes may contribute to their pathogenesis. Identification of key miRNAs also provides a rationale for developing robust biomarkers and inhibitory RNA strategies for therapeutic purposes in glioma patients.
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Affiliation(s)
- Heather Ames
- Division of Neuropathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Marc K Halushka
- Division of Cardiovascular Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.,Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Fausto J Rodriguez
- Division of Neuropathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.,Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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43
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Seidu RA, Wu M, Su Z, Xu H. Paradoxical Role of High Mobility Group Box 1 in Glioma: A Suppressor or a Promoter? Oncol Rev 2017; 11:325. [PMID: 28382190 PMCID: PMC5364998 DOI: 10.4081/oncol.2017.325] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2016] [Revised: 02/13/2017] [Accepted: 02/27/2017] [Indexed: 01/08/2023] Open
Abstract
Gliomas represent 60% of primary intracranial brain tumors and 80% of all malignant types, with highest morbidity and mortality worldwide. Although glioma has been extensively studied, the molecular mechanisms underlying its pathology remain poorly understood. Clarification of the molecular mechanisms involved in their development and/or treatment resistance is highly required. High mobility group box 1 protein (HMGB1) is a nuclear protein that can also act as an extracellular trigger of inflammation, proliferation and migration, through receptor for advanced glycation end products and toll like receptors in a number of cancers including gliomas. It is known that excessive release of HMGB1 in cancer leads to unlimited replicative potential, ability to develop blood vessels (angiogenesis), evasion of programmed cell death (apoptosis), self-sufficiency in growth signals, insensitivity to inhibitors of growth, inflammation, tissue invasion and metastasis. In this review we explore the mechanisms by which HMGB1 regulates apoptosis and autophagy in glioma. We also looked at how HMGB1 mediates glioma regression and promotes angiogenesis as well as possible signaling pathways with an attempt to provide potential therapeutic targets for the treatment of glioma.
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Affiliation(s)
- Richard A. Seidu
- Department of Neurosurgery, Affiliated Hospital of Jiangsu University (Jiangbin Hospital), Zhenjiang, China
- Department of Immunology, Jiangsu University, Zhenjiang, China
| | - Min Wu
- Department of Neurosurgery, Affiliated Hospital of Jiangsu University (Jiangbin Hospital), Zhenjiang, China
| | - Zhaoliang Su
- Department of Immunology, Jiangsu University, Zhenjiang, China
| | - Huaxi Xu
- Department of Immunology, Jiangsu University, Zhenjiang, China
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44
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Liu K, Huang J, Ni J, Song D, Ding M, Wang J, Huang X, Li W. MALAT1 promotes osteosarcoma development by regulation of HMGB1 via miR-142-3p and miR-129-5p. Cell Cycle 2017; 16:578-587. [PMID: 28346809 DOI: 10.1080/15384101.2017.1288324] [Citation(s) in RCA: 96] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Recently, emerging evidence has demonstrated that metastasis-associated lung adenocarcinoma transcript 1 (MALAT1), a long non-coding RNAs (lncRNAs), contributes to the initiation and development of tumors, including osteosarcoma (OS). Multiple studies have suggested an oncogenic role of MALAT1 and high-mobility group protein B1 (HMGB1) in OS tumorigenesis and metastasis, but the effects and mechanisms are not unanimous. Here, we showed that MALAT1 and HMGB1 were significantly increased in human OS cell lines and knockdown of MALAT1 reduced HMGB1 expression. By using online tools, we screen out 2 candidate miRNAs, miR-142-3p and miR-129-5p which may be associated with both MALAT1 and HMGB1. Luciferase reporter assay revealed a direct interaction between the 2 miRNAs and MALAT1, respectively, via a putative binding site within MALAT1. Meanwhile, both the 2 miRNAs could bind to HMGB1 3'-untranslated region (3'-UTR) and regulate HMGB1 expression. Moreover, knockdown of MALAT1 decreased HMGB1 expression, inhibited OS cell growth and promoted apoptosis, while miR-142-3p and miR-129-5p inhibitor partly restored the inhibitory effect of MALAT1 knockdown on HMGB1 expression, OS cell growth and the promotion of apoptosis. In OS tissues, the expression of MALAT1 and HMGB1 was upregulated while the expression of miR-142-3p and miR-129-5p was downregulated. Together, our results support a MALAT1/miR-142-3p/miR-129-5p/HMGB1 axis in OS cell proliferation and tumor progression. MALAT1 promoted OS cell growth through inhibition of miR-142-3p or miR-129-5p and by targeting HMGB1.
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Affiliation(s)
- Ke Liu
- a Department of Ophthalmology , The Second Xiangya Hospital, Central South University , Changsha , Hunan , P.R. China
| | - Jun Huang
- b Department of Orthopaedics , The Second Xiangya Hospital, Central South University , Changsha , Hunan , P.R. China
| | - Jiangdong Ni
- b Department of Orthopaedics , The Second Xiangya Hospital, Central South University , Changsha , Hunan , P.R. China
| | - Deye Song
- b Department of Orthopaedics , The Second Xiangya Hospital, Central South University , Changsha , Hunan , P.R. China
| | - Muliang Ding
- b Department of Orthopaedics , The Second Xiangya Hospital, Central South University , Changsha , Hunan , P.R. China
| | - Junjie Wang
- b Department of Orthopaedics , The Second Xiangya Hospital, Central South University , Changsha , Hunan , P.R. China
| | - Xianzhe Huang
- b Department of Orthopaedics , The Second Xiangya Hospital, Central South University , Changsha , Hunan , P.R. China
| | - Wenzhao Li
- b Department of Orthopaedics , The Second Xiangya Hospital, Central South University , Changsha , Hunan , P.R. China
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45
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He Z, Wang Y, Huang G, Wang Q, Zhao D, Chen L. The lncRNA UCA1 interacts with miR-182 to modulate glioma proliferation and migration by targeting iASPP. Arch Biochem Biophys 2017; 623-624:1-8. [PMID: 28137422 DOI: 10.1016/j.abb.2017.01.013] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Revised: 01/17/2017] [Accepted: 01/25/2017] [Indexed: 01/03/2023]
Abstract
Long non-coding RNA (lncRNA) urothelial carcinoma associated 1 (UCA1) has been reported to be involved in the development and progression of many types of tumors including breast cancer, gastric cancer, and bladder cancer. However, the exact effects and molecular mechanisms of UCA1 in glioma progression remain unclear up to now. In this study, we firstly found that UCA1 was upregulated in glioma tumor samples and negatively correlated with survival time. Then, we investigated the role of UCA1 in human glioma cell lines. Our results showed that upregulation of lncRNA-UCA1 in glioma tissues and cell lines could promote glioma cell proliferation and migration through interaction with miR-182, and knockdown of UCA1 inhibited the proliferation and migration of human glioma cell. In addition, miR-182 dependent inhibitor of apoptosis-stimulating protein of p53 (iASPP) was required in the regulation of UCA1 induced glioma cell proliferation. Taken together, UCA1 might promote proliferation and migration of glioma, to regulate the tumor growth and metastasis via miR-182 dependent iASPP regulation. Therefore, lncRNA-UCA1 could be regarded as a therapeutic target in human glioma.
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Affiliation(s)
- Zongze He
- Department of Neurosurgery, Hospital of University of Electronic Science and Technology of China and Sichuan Provincial People's Hospital, Chengdu, Sichuan Province 610072, China
| | - Yujue Wang
- Department of Neurosurgery, Kai Luan General Hospital, Tangshan City, Hebei Province 063000, China
| | - Guangfu Huang
- Department of Neurosurgery, Hospital of University of Electronic Science and Technology of China and Sichuan Provincial People's Hospital, Chengdu, Sichuan Province 610072, China
| | - Qi Wang
- Department of Neurosurgery, Hospital of University of Electronic Science and Technology of China and Sichuan Provincial People's Hospital, Chengdu, Sichuan Province 610072, China
| | - Dongdong Zhao
- Department of Neurosurgery, Hospital of University of Electronic Science and Technology of China and Sichuan Provincial People's Hospital, Chengdu, Sichuan Province 610072, China.
| | - Longyi Chen
- Department of Neurosurgery, Hospital of University of Electronic Science and Technology of China and Sichuan Provincial People's Hospital, Chengdu, Sichuan Province 610072, China.
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46
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Zhang J, Fu J, Pan Y, Zhang X, Shen L. Silencing of miR-1247 by DNA methylation promoted non-small-cell lung cancer cell invasion and migration by effects of STMN1. Onco Targets Ther 2016; 9:7297-7307. [PMID: 27942223 PMCID: PMC5138046 DOI: 10.2147/ott.s111291] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
MicroRNAs (miRNAs) play an important role in cancer development and progression, altering several biological functions by affecting targets through either degradation of mRNAs or suppression of protein translation. One such miRNA, miR-1247, is downregulated in various cancers, but its biological role in non-small-cell lung cancer (NSCLC) is unknown. This study found that the expression of miR-1247 was significantly reduced in NSCLC cell lines and tumor tissues compared with matched normal lung tissues and cell lines as a result of DNA hypermethylation. Overexpression of miR-1247 or demethylation by 5-azacytidine (5-Aza) treatment dramatically inhibited cell growth, migration, invasion, and cell cycle progression. Furthermore, Stathmin 1 (STMN1) was found to be an immediate and functional target of miR-1247. The expression of STMN1 was significantly increased in NSCLC cell lines but was decreased by 5-Aza treatment. In addition, miR-1247 upregulation partially inhibited STMN1-induced promotion of migration and invasion of A549 and H1299 cells. The results suggest that miR-1247 was silenced by DNA methylation. MiR-1247 and its downstream target gene STMN1 may therefore be a future target for the treatment of NSCLC.
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Affiliation(s)
- Juan Zhang
- Department of Oncology Radiotherapy, Xiangya Hospital; Department of Oncology, The Third Xiangya Hospital, Central Southern University, Changsha, Hunan, People's Republic of China
| | - Jun Fu
- Department of Oncology Radiotherapy, Xiangya Hospital
| | - Yuliang Pan
- Department of Oncology, The Third Xiangya Hospital, Central Southern University, Changsha, Hunan, People's Republic of China
| | - Xi Zhang
- Department of Oncology, The Third Xiangya Hospital, Central Southern University, Changsha, Hunan, People's Republic of China
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47
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Yu Y, Zhao Y, Sun XH, Ge J, Zhang B, Wang X, Cao XC. Down-regulation of miR-129-5p via the Twist1-Snail feedback loop stimulates the epithelial-mesenchymal transition and is associated with poor prognosis in breast cancer. Oncotarget 2016; 6:34423-36. [PMID: 26460733 PMCID: PMC4741463 DOI: 10.18632/oncotarget.5406] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2015] [Accepted: 09/25/2015] [Indexed: 12/14/2022] Open
Abstract
The epithelial to mesenchymal transition (EMT) plays a pivotal role in breast cancer progression. We found that overexpression of miR-129-5p reversed EMT, whereas depletion of miR-129-5p induced EMT in breast cancer cells. We demonstrated that Twist1 is a direct target of miR-129-5p. Both Twist1 and Snail transcriptionally suppressed miR-129-5p expression. Levels of miR-129-5p were low in breast cancer tissues. miR-129-5p down-regulation correlated with advanced clinical stage and poor prognosis in patients with breast cancer. miR-129-5p expression negatively correlated with Twist1 and Snail expression. Thus, miR-129-5p down-regulation fosters EMT in breast cancer by increasing Twist1-Snail and activating a negative feedback loop.
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Affiliation(s)
- Yue Yu
- The First Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin 300060, China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin 300060, China.,Key Laboratory of Breast Cancer Prevention and Therapy, Tianjin Medical University, Ministry of Education, Tianjin 300060, China
| | - Ying Zhao
- The First Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin 300060, China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin 300060, China.,Key Laboratory of Breast Cancer Prevention and Therapy, Tianjin Medical University, Ministry of Education, Tianjin 300060, China
| | - Xiao-Hu Sun
- The First Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin 300060, China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin 300060, China.,Key Laboratory of Breast Cancer Prevention and Therapy, Tianjin Medical University, Ministry of Education, Tianjin 300060, China
| | - Jie Ge
- The First Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin 300060, China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin 300060, China.,Key Laboratory of Breast Cancer Prevention and Therapy, Tianjin Medical University, Ministry of Education, Tianjin 300060, China
| | - Bin Zhang
- The First Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin 300060, China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin 300060, China.,Key Laboratory of Breast Cancer Prevention and Therapy, Tianjin Medical University, Ministry of Education, Tianjin 300060, China
| | - Xin Wang
- The First Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin 300060, China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin 300060, China.,Key Laboratory of Breast Cancer Prevention and Therapy, Tianjin Medical University, Ministry of Education, Tianjin 300060, China
| | - Xu-Chen Cao
- The First Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin 300060, China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin 300060, China.,Key Laboratory of Breast Cancer Prevention and Therapy, Tianjin Medical University, Ministry of Education, Tianjin 300060, China
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48
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Liu Q, Wang Y, Yang T, Wei W. Protective effects of miR-25 against hypoxia/reoxygenation‑induced fibrosis and apoptosis of H9c2 cells. Int J Mol Med 2016; 38:1225-34. [PMID: 27513215 DOI: 10.3892/ijmm.2016.2702] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Accepted: 07/21/2016] [Indexed: 11/06/2022] Open
Abstract
It has been previously demonstrated that microRNA (miR)-25 plays critical roles in collagen deposition. Ischemia/reperfusion injury to the myocardium results in fibrosis and collagen deposition. However, whether miR-25 is involved in the development of hypoxia/reoxygenation (H/R)‑induced fibrosis in cardiomyocytes or not remains largely unknown. For this purpose, in the present study, cardiomyocyte H9c2 cells were subjected to H/R. The techniques of flow cytometry, western blot analysis and RT-qPCR were used and we observed increases in the cell apoptosis rate and fibrosis as well as blocking of the cell cycle in the G1 phase. Moreover, the expression of miR-25 was downregulated after H/R and high‑mobility group box 1 (HMGB1) expression was increased. We also found that the overexpression of miR-25 under conditions of H/R inhibited fibrosis and cell apoptosis as well as reversing the cell cycle blocking. Additionally, the targeting of HMGB1 by miR-25 was confirmed by a dual‑luciferase reporter gene assay. Moreover, the effects of miR-25 were further enhanced by a transforming growth factor-β1 (TGF-β1)/Smad3 inhibitor, SB431542, as fibrosis was reduced and apoptosis was suppressed. In conclusion, the protective effects of miR-25 against H/R-induced fibrosis and apoptosis H9c2 cells were due to direct targeting of HMGB1 through the downregulation of the TGF-β1/Smad3 signaling pathway.
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Affiliation(s)
- Qifang Liu
- Department of Cardiology, Xiangya Hospital, Central South University, Changsha, Hunan 410078, P.R. China
| | - Yongjin Wang
- Department of Cardiology, Heping Hospital, Changzhi Medical College, Changzhi, Shanxi 046000, P.R. China
| | - Tianlun Yang
- Department of Cardiology, Xiangya Hospital, Central South University, Changsha, Hunan 410078, P.R. China
| | - Wu Wei
- Department of Cardiology, Heping Hospital, Changzhi Medical College, Changzhi, Shanxi 046000, P.R. China
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49
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Cheng W, Ren X, Cai J, Zhang C, Li M, Wang K, Liu Y, Han S, Wu A. A five-miRNA signature with prognostic and predictive value for MGMT promoter-methylated glioblastoma patients. Oncotarget 2016; 6:29285-95. [PMID: 26320189 PMCID: PMC4745726 DOI: 10.18632/oncotarget.4978] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2015] [Accepted: 07/11/2015] [Indexed: 11/25/2022] Open
Abstract
Although O(6)-methylguanine DNA methyltransferase (MGMT) promoter methylation status is an important marker for glioblastoma multiforme (GBM), there is considerable variability in the clinical outcome of patients with similar methylation profiles. The present study aimed to refine the prognostic and predictive value of MGMT promoter status in GBM by identifying a micro (mi)RNA risk signature. Data from The Cancer Genome Atlas was used for this study, with MGMT promoter-methylated samples randomly divided into training and internal validation sets. Data from The Chinese Glioma Genome Atlas was used for independent validation. A five miRNA-based risk signature was established for MGMT promoter-methylated GBM to distinguish cases as high- or low-risk with distinct prognoses, which was confirmed using internal and external validation sets. Importantly, the prognostic value of the signature was significant in different cohorts stratified by clinicopathologic factors and alkylating chemotherapy, and a multivariate Cox analysis found it to be an independent prognostic marker along with age and chemotherapy. Based on these three factors, we developed a quantitative model with greater accuracy for predicting the 1-year survival of patients with MGMT promoter-methylated GBM. These results indicate that the five-miRNA signature is an independent risk predictor for GBM with MGMT promoter methylation and can be used to identify patients at high risk of unfavorable outcome and resistant to alkylating chemotherapy, underscoring its potential for personalized GBM management.
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Affiliation(s)
- Wen Cheng
- Department of Neurosurgery, The First Hospital of China Medical University, Shenyang, China
| | - Xiufang Ren
- Department of Pathology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Jinquan Cai
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Chuanbao Zhang
- Beijing Neurosurgical Institute, Beijing, China.,Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Mingyang Li
- Beijing Neurosurgical Institute, Beijing, China.,Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Kuanyu Wang
- Department of Neurosurgery, The First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Yang Liu
- Department of Neurosurgery, The First Hospital of China Medical University, Shenyang, China
| | - Sheng Han
- Department of Neurosurgery, The First Hospital of China Medical University, Shenyang, China
| | - Anhua Wu
- Department of Neurosurgery, The First Hospital of China Medical University, Shenyang, China
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Abstract
Adult diffuse gliomas account for the majority of primary malignant brain tumours, and are in most cases lethal. Current therapies are often only marginally effective, and improved options will almost certainly benefit from further insight into the various processes contributing to gliomagenesis and pathology. While molecular characterization of these tumours classifies them on the basis of genetic alterations and chromosomal abnormalities, DNA methylation patterns are increasingly understood to play a role in glioma pathogenesis. Indeed, a subset of gliomas associated with improved survival is characterized by the glioma CpG island methylator phenotype (G-CIMP), which can be induced by the expression of mutant isocitrate dehydrogenase (IDH1/2). Aberrant methylation of particular genes or regulatory elements, within the context of G-CIMP-positive and/or negative tumours, has also been shown to be associated with differential survival. In this review, we provide an overview of the current knowledge regarding the role of DNA methylation in adult diffuse gliomas. In particular, we discuss IDH mutations and G-CIMP, MGMT promoter methylation, DNA methylation-mediated microRNA regulation and aberrant methylation of specific genes or groups of genes.
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