1
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Shahcheraghi SH, Asl ER, Lotfi M, Ayatollahi J, Khaleghinejad SH, Aljabali AAA, Bakshi HA, El-Tanani M, Charbe NB, Serrano-Aroca Á, Mishra V, Mishra Y, Goyal R, Hromić-Jahjefendić A, Uversky VN, Lotfi M, Tambuwala MM. Non-coding RNAs as Key Regulators of the Notch Signaling Pathway in Glioblastoma: Diagnostic, Prognostic, and Therapeutic Targets. CNS & NEUROLOGICAL DISORDERS DRUG TARGETS 2024; 23:1203-1216. [PMID: 38279763 DOI: 10.2174/0118715273277458231213063147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Revised: 10/20/2023] [Accepted: 10/31/2023] [Indexed: 01/28/2024]
Abstract
Glioblastoma multiforme (GBM) is a highly invasive brain malignancy originating from astrocytes, accounting for approximately 30% of central nervous system malignancies. Despite advancements in therapeutic strategies including surgery, chemotherapy, and radiopharmaceutical drugs, the prognosis for GBM patients remains dismal. The aggressive nature of GBM necessitates the identification of molecular targets and the exploration of effective treatments to inhibit its proliferation. The Notch signaling pathway, which plays a critical role in cellular homeostasis, becomes deregulated in GBM, leading to increased expression of pathway target genes such as MYC, Hes1, and Hey1, thereby promoting cellular proliferation and differentiation. Recent research has highlighted the regulatory role of non-coding RNAs (ncRNAs) in modulating Notch signaling by targeting critical mRNA expression at the post-transcriptional or transcriptional levels. Specifically, various types of ncRNAs, including long non-coding RNAs (lncRNAs) and microRNAs (miRNAs), have been shown to control multiple target genes and significantly contribute to the carcinogenesis of GBM. Furthermore, these ncRNAs hold promise as prognostic and predictive markers for GBM. This review aims to summarize the latest studies investigating the regulatory effects of ncRNAs on the Notch signaling pathway in GBM.
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Affiliation(s)
- Seyed Hossein Shahcheraghi
- Department of Medical Genetics, School of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
- Infectious Diseases Research Center, Shahid Sadoughi Hospital, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Elmira Roshani Asl
- Social Determinants of Health Research Center, Saveh University of Medical Sciences, Saveh, Iran
| | - Malihe Lotfi
- Department of Medical Genetics and Molecular Medicine, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Jamshid Ayatollahi
- Infectious Diseases Research Center, Shahid Sadoughi Hospital, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
- Hematology and Oncology Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | | | - Alaa A A Aljabali
- Department of Pharmaceutics and Pharmaceutical Technology, Yarmouk University, Irbid, Jordan
| | - Hamid A Bakshi
- The Hormel Institute, University of Minnesota, Austin, MN 55912, USA
| | - Mohamed El-Tanani
- Ras Al Khaimah Medical and Health Sciences University, Ras Al Khaimah, United Arab Emirates
| | - Nitin B Charbe
- Center for Pharmacometrics & Systems Pharmacology, Department of Pharmaceutics (Lake Nona), University of Florida, Orlando, FL, USA
| | - Ángel Serrano-Aroca
- Biomaterials & Bioengineering Lab, Centro de Investigación Traslacional San Alberto Magno, Universidad Católica de Valencia, San Vicente Mártir, Valencia, 46001, Spain
| | - Vijay Mishra
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, 144411, India
| | - Yachana Mishra
- Department of Zoology, School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, Punjab, 144411, India
| | - Rohit Goyal
- School of Pharmaceutical Sciences, Shoolini University of Biotechnology & Management Sciences, Solan, India
| | - Altijana Hromić-Jahjefendić
- Department of Genetics and Bioengineering, Faculty of Engineering and Natural Sciences, International University of Sarajevo, Hrasnicka cesta 15, 71000 Sarajevo, Bosnia and Herzegovina
| | - Vladimir N Uversky
- Department of Molecular Medicine and USF Health Byrd Alzheimer's Institute, Morsani College of Medicine, University of South Florida, Tampa, FL 33612, USA
| | - Marzieh Lotfi
- Abortion Research Center, Reproductive Sciences Institute, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Murtaza M Tambuwala
- Lincoln Medical School, University of Lincoln, Brayford Pool Campus, Lincoln LN6 7TS, UK
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2
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Wei J, Gilboa E, Calin GA, Heimberger AB. Immune Modulatory Short Noncoding RNAs Targeting the Glioblastoma Microenvironment. Front Oncol 2021; 11:682129. [PMID: 34532286 PMCID: PMC8438301 DOI: 10.3389/fonc.2021.682129] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 08/11/2021] [Indexed: 12/22/2022] Open
Abstract
Glioblastomas are heterogeneous and have a poor prognosis. Glioblastoma cells interact with their neighbors to form a tumor-permissive and immunosuppressive microenvironment. Short noncoding RNAs are relevant mediators of the dynamic crosstalk among cancer, stromal, and immune cells in establishing the glioblastoma microenvironment. In addition to the ease of combinatorial strategies that are capable of multimodal modulation for both reversing immune suppression and enhancing antitumor immunity, their small size provides an opportunity to overcome the limitations of blood-brain-barrier (BBB) permeability. To enhance glioblastoma delivery, these RNAs have been conjugated with various molecules or packed within delivery vehicles for enhanced tissue-specific delivery and increased payload. Here, we focus on the role of RNA therapeutics by appraising which types of nucleotides are most effective in immune modulation, lead therapeutic candidates, and clarify how to optimize delivery of the therapeutic RNAs and their conjugates specifically to the glioblastoma microenvironment.
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Affiliation(s)
- Jun Wei
- Department of Immunology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Eli Gilboa
- Department of Microbiology & Immunology, Dodson Interdisciplinary Immunotherapy Institute, Sylvester Comprehensive Cancer Center, University of Miami, Miami, FL, United States
| | - George A Calin
- Departments of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Amy B Heimberger
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
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3
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Zhao Z, Zhang C, Li M, Yu X, Liu H, Chen Q, Wang J, Shen S, Jiang J. Integrative Analysis of miRNA-mediated Competing Endogenous RNA Network Reveals the lncRNAs-mRNAs Interaction in Glioblastoma Stem Cell Differentiation. Curr Bioinform 2021. [DOI: 10.2174/1574893615999200511074226] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Background:
Competing endogenous RNA (ceRNA) networks play a pivotal role in
tumor diagnosis and progression. Numerous studies have explored the functional landscape and
prognostic significance of ceRNA interaction within differentiated tumor cells.
Objective:
We propose a new perspective by exploring ceRNA networks in the process of
glioblastoma stem cell (GSC) differentiation.
Methods:
In this study, expression profiles of lncRNAs and mRNAs were compared between GSCs
and differentiated glioblastoma cells. Using a comprehensive computational method, miRNAmediated
and GSC differentiation-associated ceRNA crosstalk between lncRNAs and mRNAs was
identified. A ceRNA network was then established to select potential candidates that regulate GSC
differentiation.
Results:
Based on the specific ceRNA network related to GSC differentiation, we identified lnc
MYOSLID: 11 as a ceRNA that regulated the expression of the downstream gene PXN by
competitively binding with hsa-miR-149-3p. After Kaplan-Meier (KM) survival analysis, the
expression of PXN gene (PPXN = 0.0015) and lnc MYOSLID: 11 (PMYOSLID: 11=0.041) showed
significant correlation with glioblastoma in 160 patients from TCGA.
Conclusion:
This result sheds light on a potential way of studying the ceRNA network, which can
provide clues for developing new diagnostic methods and finding therapeutic targets for clinical
treatment of glioblastoma.
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Affiliation(s)
- Zhenyu Zhao
- Department of Neurosurgery, Chinese PLA General Hospital, Beijing, China
| | - Cheng Zhang
- Department of Medical Genetics and Molecular Diagnostic Laboratory, Shanghai Children's Medical Center, Shanghai Jiao tong University School of Medicine, Shanghai, China
| | - Mi Li
- Department of Mathematics & Statistics, Boston University, Boston, MA, United States
| | - Xinguang Yu
- Department of Neurosurgery, Chinese PLA General Hospital, Beijing, China
| | - Hailong Liu
- Department of Neurosurgery, Chinese PLA General Hospital, Beijing, China
| | - Qi Chen
- National Engineering Laboratory for Medical Big Data Application Technology, Chinese PLA General Hospital, Beijing, China
| | - Jian Wang
- Department of Neurosurgery, Chinese PLA General Hospital, Beijing, China
| | - Shaopin Shen
- Department of Neurosurgery, Chinese PLA General Hospital, Beijing, China
| | - Jingjing Jiang
- Clinical Data and Specimen Repositories, Chinese PLA General Hospital, Beijing, China
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4
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Balaji E V, Kumar N, Satarker S, Nampoothiri M. Zinc as a plausible epigenetic modulator of glioblastoma multiforme. Eur J Pharmacol 2020; 887:173549. [PMID: 32926916 DOI: 10.1016/j.ejphar.2020.173549] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 08/26/2020] [Accepted: 09/09/2020] [Indexed: 01/04/2023]
Abstract
Glioblastoma Multiforme (GBM) is an aggressive brain tumor (WHO grade 4 astrocytoma) with unknown causes and is associated with a reduced life expectancy. The available treatment options namely radiotherapy, surgery and chemotherapy have failed to improve life expectancy. Out of the various therapeutic approaches, epigenetic therapy is one of the most studied. Epigenetic therapy is involved in the effective treatment of GBM by inhibiting DNA methyltransferase, histone deacetylation and non-coding RNA. It also promotes the expression of the tumor suppressor gene and is involved in the suppression of the oncogene. Various targets are being studied to implement proper epigenetic regulation to control GBM effectively. Zinc is one of the micronutrients which is considered to maintain epigenetic regulation by promoting the proper DNA folding, protecting genetic material from the oxidative damage and controlling the enzyme activation involved in the epigenetic regulation. Here, we are discussing the importance of zinc in regulating the epigenetic modifications and assessing its role in glioblastoma research. The discussion also highlights the importance of artificial intelligence using epigenetics for envisaging the glioma progression, diagnosis and its management.
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Affiliation(s)
- Vignesh Balaji E
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, 576104, India
| | - Nitesh Kumar
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, 576104, India
| | - Sairaj Satarker
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, 576104, India
| | - Madhavan Nampoothiri
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, 576104, India.
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5
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Kim Y, Lee D, Lawler S. Collective invasion of glioma cells through OCT1 signalling and interaction with reactive astrocytes after surgery. Philos Trans R Soc Lond B Biol Sci 2020; 375:20190390. [PMID: 32713306 DOI: 10.1098/rstb.2019.0390] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Glioblastoma multiforme (GBM) is the most aggressive form of brain cancer with a short median survival time. GBM is characterized by the hallmarks of aggressive proliferation and cellular infiltration of normal brain tissue. miR-451 and its downstream molecules are known to play a pivotal role in regulation of the balance of proliferation and aggressive invasion in response to metabolic stress in the tumour microenvironment (TME). Surgery-induced transition in reactive astrocyte populations can play a significant role in tumour dynamics. In this work, we develop a multi-scale mathematical model of miR-451-LKB1-AMPK-OCT1-mTOR pathway signalling and individual cell dynamics of the tumour and reactive astrocytes after surgery. We show how the effects of fluctuating glucose on tumour cells need to be reprogrammed by taking into account the recent history of glucose variations and an AMPK/miR-451 reciprocal feedback loop. The model shows how variations in glucose availability significantly affect the activity of signalling molecules and, in turn, lead to critical cell migration. The model also predicts that microsurgery of a primary tumour induces phenotypical changes in reactive astrocytes and stem cell-like astrocytes promoting tumour cell proliferation and migration by Cxcl5. Finally, we investigated a new anti-tumour strategy by Cxcl5-targeting drugs. This article is part of the theme issue 'Multi-scale analysis and modelling of collective migration in biological systems'.
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Affiliation(s)
- Yangjin Kim
- Department of Mathematics, Konkuk University, Seoul 05029, Republic of Korea.,Mathematical Biosciences Institute, Ohio State University, Columbus, OH 43210, USA
| | - Donggu Lee
- Department of Mathematics, Konkuk University, Seoul 05029, Republic of Korea
| | - Sean Lawler
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
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6
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Profiling cytotoxic microRNAs in pediatric and adult glioblastoma cells by high-content screening, identification, and validation of miR-1300. Oncogene 2020; 39:5292-5306. [PMID: 32555332 PMCID: PMC7378045 DOI: 10.1038/s41388-020-1360-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 05/20/2020] [Accepted: 06/05/2020] [Indexed: 01/05/2023]
Abstract
MicroRNAs play an important role in the regulation of mRNA translation and have therapeutic potential in cancer and other diseases. To profile the landscape of microRNAs with significant cytotoxicity in the context of glioblastoma (GBM), we performed a high-throughput screen in adult and pediatric GBM cells using a synthetic oligonucleotide library representing all known human microRNAs. Bioinformatics analysis was used to refine this list and the top seven microRNAs were validated in a larger panel of GBM cells using state-of-the-art in vitro assays. The cytotoxic effect of our most relevant candidate was assessed in a preclinical model. Our screen identified ~100 significantly cytotoxic microRNAs with 70% concordance between cell lines. MicroRNA-1300 (miR-1300) was the most potent and robust candidate. We observed a striking binucleated phenotype in miR-1300 transfected cells due to cytokinesis failure followed by apoptosis. This was also observed in two stem-like patient-derived cultures. We identified the physiological role of miR-1300 as a regulator of endomitosis in megakaryocyte differentiation where blockade of cytokinesis is an essential step. In GBM cells, where miR-1300 is normally not expressed, the oncogene Epithelial Cell Transforming 2 (ECT2) was validated as a direct key target. ECT2 siRNA phenocopied the effects of miR-1300, and ECT2 overexpression led to rescue of miR-1300 induced binucleation. We showed that ectopic expression of miR-1300 led to decreased tumor growth in an orthotopic GBM model. Our screen provides a resource for the neuro-oncology community and identified miR-1300 as a novel regulator of endomitosis with translatable potential for therapeutic application.
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7
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Xu Y, Doonan SR, Ordog T, Bailey RC. Translational Opportunities for Microfluidic Technologies to Enable Precision Epigenomics. Anal Chem 2020; 92:7989-7997. [PMID: 32496751 DOI: 10.1021/acs.analchem.0c01288] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Personalizing health care by taking genetic, environmental, and lifestyle factors into account is central to modern medicine. The crucial and pervasive roles epigenetic factors play in shaping gene-environment interactions are now well recognized. However, identifying robust epigenetic biomarkers and translating them to clinical tests has been difficult due in part to limitations of available platforms to detect epigenetic features genome-wide (epigenomic assays). This Feature introduces several important prospects for precision epigenomics, highlights capabilities and limitations of current laboratory technologies, and emphasizes opportunities for microfluidic tools to facilitate translation of epigenetic analyses to the clinic, with a particular focus on methods to profile gene-associated histone modifications and their impacts on chromatin structure and gene expression.
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Affiliation(s)
- Yi Xu
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Steven R Doonan
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Tamas Ordog
- Epigenomics Program, Center for Individualized Medicine, Department of Physiology and Biomedical Engineering, and Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, United States
| | - Ryan C Bailey
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States
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8
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Liu J, Cheng C, Jiao J, Huang W, Huang J, Sun J, Shao J. MircoRNA-129-5p suppresses the development of glioma by targeting HOXC10. Pathol Res Pract 2020; 216:152868. [PMID: 32111444 DOI: 10.1016/j.prp.2020.152868] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Revised: 01/15/2020] [Accepted: 02/10/2020] [Indexed: 12/29/2022]
Abstract
BACKGROUND miR-129-5p has been reported to be abnormally expressed and plays an important role in the progression of various malignancies. However, its role in gliomas and its exact molecular mechanism need further research. METHODS AND MATERIALS RT-qPCR was performed to evaluate miR-129-5p and HOXC10 mRNA expression levels in tissues and cell lines. Cell proliferation was detected via Cell Counting Kit-8 (CCK-8), 5-ethynyl-2'-deoxyuridine (EdU) and clone formation assays. Luciferase assays were used to validate the binding of seeds between miR-129-5p and HOXC10. A tumor xenograft model was developed to study the effect of miR-129-5p on glioma growth in vivo. RESULTS miR-129-5p was expressed at low levels in glioma tissues and cell lines. miR-129-5p overexpression inhibited glioma proliferation, migration and invasion. miR-129-5p negatively and directly targeted HOXC10. At the same time, HOXC10 was upregulated in glioma cancer, and HOXC10 knockdown inhibited cell proliferation, migration and invasion. CONCLUSION miR-129-5p inhibits glioma development by altering HOXC10 expression and may therefore serve as a new diagnostic marker and therapeutic target for glioma in the future.
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Affiliation(s)
- Jin Liu
- Department of Neurosurgery, Wuxi People's Hospital of Nanjing Medical University, Wuxi, 214023, Jiangsu, China
| | - Chao Cheng
- Department of Neurosurgery, Wuxi People's Hospital of Nanjing Medical University, Wuxi, 214023, Jiangsu, China
| | - Jiantong Jiao
- Department of Neurosurgery, Wuxi People's Hospital of Nanjing Medical University, Wuxi, 214023, Jiangsu, China
| | - Weiyi Huang
- Department of Neurosurgery, Wuxi People's Hospital of Nanjing Medical University, Wuxi, 214023, Jiangsu, China
| | - Jin Huang
- Department of Neurosurgery, Wuxi People's Hospital of Nanjing Medical University, Wuxi, 214023, Jiangsu, China
| | - Jun Sun
- Department of Neurosurgery, Wuxi People's Hospital of Nanjing Medical University, Wuxi, 214023, Jiangsu, China.
| | - Junfei Shao
- Department of Neurosurgery, Wuxi People's Hospital of Nanjing Medical University, Wuxi, 214023, Jiangsu, China.
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9
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Paulmurugan R, Malhotra M, Massoud TF. The protean world of non-coding RNAs in glioblastoma. J Mol Med (Berl) 2019; 97:909-925. [PMID: 31129756 DOI: 10.1007/s00109-019-01798-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 05/05/2019] [Accepted: 05/13/2019] [Indexed: 12/12/2022]
Abstract
Non-coding ribonucleic acids (ncRNAs) are a diverse group of RNA molecules that are mostly not translated into proteins following transcription. We review the role of ncRNAs in the pathobiology of glioblastoma (GBM), and their potential applications for GBM therapy. Significant advances in our understanding of the protean manifestations of ncRNAs have been made, allowing us to better decipher the molecular complexity of GBM. A large number of regulatory ncRNAs appear to have a greater influence on the molecular pathology of GBM than thought previously. Importantly, also, a range of therapeutic approaches are emerging whereby ncRNA-based systems may be used to molecularly target GBM. The most successful of these is RNA interference, and some of these strategies are being evaluated in ongoing clinical trials. However, a number of limitations exist in the clinical translation of ncRNA-based therapeutic systems, such as delivery mechanisms and cytotoxicity; concerted research endeavors are currently underway in an attempt to overcome these. Ongoing and future studies will determine the potential practical role for ncRNA-based therapeutic systems in the clinical management of GBM. These applications may be especially promising, given that current treatment options are limited and prognosis remains poor for this challenging malignancy.
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Affiliation(s)
- Ramasamy Paulmurugan
- Cellular Pathway Imaging Laboratory (CPIL), Molecular Imaging Program at Stanford, Stanford University School of Medicine, 3155 Porter Drive, Palo Alto, CA, 94305, USA.
| | - Meenakshi Malhotra
- Laboratory of Experimental and Molecular Neuroimaging (LEMNI), Molecular Imaging Program at Stanford, Stanford University School of Medicine, 300 Pasteur Drive, Grant S-031, Stanford, CA, 94305-5105, USA
| | - Tarik F Massoud
- Laboratory of Experimental and Molecular Neuroimaging (LEMNI), Molecular Imaging Program at Stanford, Stanford University School of Medicine, 300 Pasteur Drive, Grant S-031, Stanford, CA, 94305-5105, USA.
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10
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Kim Y, Kang H, Powathil G, Kim H, Trucu D, Lee W, Lawler S, Chaplain M. Role of extracellular matrix and microenvironment in regulation of tumor growth and LAR-mediated invasion in glioblastoma. PLoS One 2018; 13:e0204865. [PMID: 30286133 PMCID: PMC6171904 DOI: 10.1371/journal.pone.0204865] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Accepted: 09/14/2018] [Indexed: 02/06/2023] Open
Abstract
The cellular dispersion and therapeutic control of glioblastoma, the most aggressive type of primary brain cancer, depends critically on the migration patterns after surgery and intracellular responses of the individual cancer cells in response to external biochemical cues in the microenvironment. Recent studies have shown that miR-451 regulates downstream molecules including AMPK/CAB39/MARK and mTOR to determine the balance between rapid proliferation and invasion in response to metabolic stress in the harsh tumor microenvironment. Surgical removal of the main tumor is inevitably followed by recurrence of the tumor due to inaccessibility of dispersed tumor cells in normal brain tissue. In order to address this complex process of cell proliferation and invasion and its response to conventional treatment, we propose a mathematical model that analyzes the intracellular dynamics of the miR-451-AMPK- mTOR-cell cycle signaling pathway within a cell. The model identifies a key mechanism underlying the molecular switches between proliferative phase and migratory phase in response to metabolic stress in response to fluctuating glucose levels. We show how up- or down-regulation of components in these pathways affects the key cellular decision to infiltrate or proliferate in a complex microenvironment in the absence and presence of time delays and stochastic noise. Glycosylated chondroitin sulfate proteoglycans (CSPGs), a major component of the extracellular matrix (ECM) in the brain, contribute to the physical structure of the local brain microenvironment but also induce or inhibit glioma invasion by regulating the dynamics of the CSPG receptor LAR as well as the spatiotemporal activation status of resident astrocytes and tumor-associated microglia. Using a multi-scale mathematical model, we investigate a CSPG-induced switch between invasive and non-invasive tumors through the coordination of ECM-cell adhesion and dynamic changes in stromal cells. We show that the CSPG-rich microenvironment is associated with non-invasive tumor lesions through LAR-CSGAG binding while the absence of glycosylated CSPGs induce the critical glioma invasion. We illustrate how high molecular weight CSPGs can regulate the exodus of local reactive astrocytes from the main tumor lesion, leading to encapsulation of non-invasive tumor and inhibition of tumor invasion. These different CSPG conditions also change the spatial profiles of ramified and activated microglia. The complex distribution of CSPGs in the tumor microenvironment can determine the nonlinear invasion behaviors of glioma cells, which suggests the need for careful therapeutic strategies.
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Affiliation(s)
- Yangjin Kim
- Department of Mathematics, Konkuk University, Seoul, Republic of Korea
- Mathematical Biosciences Institute, Ohio State University, Columbus, Ohio, United States of America
| | - Hyunji Kang
- Molecular Imaging Research Center, Korea Institute of Radiological and Medical Sciences, Seoul, Republic of Korea
| | - Gibin Powathil
- Department of Mathematics, Swansea University, Swansea, United Kingdom
| | - Hyeongi Kim
- Molecular Imaging Research Center, Korea Institute of Radiological and Medical Sciences, Seoul, Republic of Korea
| | - Dumitru Trucu
- Division of Mathematics, University of Dundee, Dundee, United Kingdom
| | - Wanho Lee
- National Institute for Mathematical Sciences, Daejeon, Republic of Korea
| | - Sean Lawler
- Department of neurosurgery, Brigham and Women’s Hospital & Harvard Medical School, Boston, Massachusetts, United States of America
| | - Mark Chaplain
- School of Mathematics and Statistics, Mathematical Institute, University of St Andrews, St Andrews, United Kingdom
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11
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Bian EB, Xiong ZG, Li J. New advances of lncRNAs in liver fibrosis, with specific focus on lncRNA-miRNA interactions. J Cell Physiol 2018; 234:2194-2203. [PMID: 30229908 DOI: 10.1002/jcp.27069] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Accepted: 06/25/2018] [Indexed: 12/22/2022]
Abstract
Noncoding RNAs (ncRNAs) were initially thought to be transcriptional byproducts. However, recent advances of ncRNAs research have increased our understanding of the importance of ncRNA in gene regulation and disease pathogenesis. Consistent with these developments, liver fibrosis research is also experiencing rapid growth in the investigation of links between ncRNAs and the pathology of this disease. The initial focus was on studying the function and regulation mechanisms of microRNAs (miRNAs). However, recently, elucidation of the mechanisms of long noncoding RNAs (lncRNAs) and lncRNA-mediated liver fibrosis has just commenced. In this review, we emphasize on abnormal expression of lncRNAs in liver fibrosis. Furthermore, we also discuss that the interaction of lncRNAs with miRNAs is involved in the regulation of the expression of protein-coding genes in liver fibrosis. Recent advances in understanding dysregulated lncRNAs expression and the lncRNAs-miRNAs interaction in liver fibrosis will help for developing new therapeutic targets and biomarkers of liver fibrosis.
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Affiliation(s)
- Er-Bao Bian
- Department of Neurosurgery, The Second Hospital of Anhui Medical University, Hefei, China.,Department of Basic and Clinical Pharmacology, School of Pharmacy, Anhui Medical University, Hefei, China
| | - Zhi-Gang Xiong
- Department of Basic and Clinical Pharmacology, School of Pharmacy, Anhui Medical University, Hefei, China.,Department of Neuropharmacology, Neuroscience Institute, Morehouse School of Medicine, Atlanta, Georgia
| | - Jun Li
- Department of Basic and Clinical Pharmacology, School of Pharmacy, Anhui Medical University, Hefei, China
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12
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Cheray M, Joseph B. Epigenetics Control Microglia Plasticity. Front Cell Neurosci 2018; 12:243. [PMID: 30123114 PMCID: PMC6085560 DOI: 10.3389/fncel.2018.00243] [Citation(s) in RCA: 92] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Accepted: 07/18/2018] [Indexed: 01/31/2023] Open
Abstract
Microglia, resident immune cells of the central nervous system, fulfill multiple functions in the brain throughout life. These microglial functions range from participation in innate and adaptive immune responses, involvement in the development of the brain and its homeostasis maintenance, to contribution to degenerative, traumatic, and proliferative diseases; and take place in the developing, the aging, the healthy, or the diseased brain. Thus, an impressive level of cellular plasticity, appears as a requirement for the pleiotropic biological functions of microglia. Epigenetic changes, including histone modifications or DNA methylation as well as microRNA expression, are important modifiers of gene expression, and have been involved in cell phenotype regulation and reprogramming and are therefore part of the mechanisms regulating cellular plasticity. Here, we review and discuss the epigenetic mechanisms, which are emerging as contributors to this microglial cellular plasticity and thereby can constitute interesting targets to modulate microglia associated brain diseases, including developmental diseases, neurodegenerative diseases as well as cancer.
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Affiliation(s)
- Mathilde Cheray
- Toxicology Unit, Institute of Environmental Medicine, Karolinska Institutet, Solna, Sweden
| | - Bertrand Joseph
- Toxicology Unit, Institute of Environmental Medicine, Karolinska Institutet, Solna, Sweden
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13
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Exploring Long Noncoding RNAs in Glioblastoma: Regulatory Mechanisms and Clinical Potentials. Int J Genomics 2018; 2018:2895958. [PMID: 30116729 PMCID: PMC6079499 DOI: 10.1155/2018/2895958] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 05/18/2018] [Accepted: 06/20/2018] [Indexed: 02/06/2023] Open
Abstract
Gliomas are primary brain tumors presumably derived from glial cells. The WHO grade IV glioblastoma (GBM), characterized by rapid cell proliferation, easily recrudescent, high morbidity, and mortality, is the most common, devastating, and lethal gliomas. Molecular mechanisms underlying the pathogenesis and progression of GBMs with potential diagnostic and therapeutic value have been explored industriously. With the advent of high-throughput technologies, numerous long noncoding RNAs (lncRNAs) aberrantly expressed in GBMs were discovered recently, some of them probably involved in GBM initiation, malignant progression, relapse and resistant to therapy, or showing diagnostic and prognostic value. In this review, we summarized the profile of lncRNAs that has been extensively investigated in glioma research, with a focus on their regulatory mechanisms. Then, their diagnostic, prognostic, and therapeutic implications were also discussed.
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14
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Yu Q, Xue Y, Liu J, Xi Z, Li Z, Liu Y. Fibronectin Promotes the Malignancy of Glioma Stem-Like Cells Via Modulation of Cell Adhesion, Differentiation, Proliferation and Chemoresistance. Front Mol Neurosci 2018; 11:130. [PMID: 29706869 PMCID: PMC5908975 DOI: 10.3389/fnmol.2018.00130] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Accepted: 03/29/2018] [Indexed: 12/12/2022] Open
Abstract
Glioma stem-like cells (GSCs) are regarded as the sources of oncogenesis, recurrence, invasion and chemoresistance in malignant gliomas. Growing evidence suggests that the microenvironment surrounding GSCs interacts with tumor cells to influence biological behavior; however, the functional mechanisms involved are still unclear. In the present study, we investigated the modulation of GSCs triggered by fibronectin (FN), a main component of the extracellular matrix (ECM), in terms of cell adhesion, differentiation, proliferation and chemoresistance. We demonstrated that pre-coated FN prompted increased adherence by GSCs, with increased matrix metallopeptidases (MMPs)-2 and -9 expression, in a concentration-dependent manner. Decreases in sox-2 and nestin levels, and increased levels of glial fibrillary acidic protein (GFAP) and β-tubulin were also found in GSCs, indicating cell differentiation driven by FN. Further investigation revealed that FN promoted cell growth, as demonstrated by the elevation of Ki-67, with the activation of p-ERK1/2 and cyclin D1 also evident. In addition, FN suppressed p53-mediated apoptosis and upregulated P-glycoprotein expression, making GSCs more chemoresistant to alkylating agents such as carmustine. In contrast, this effect was reversed by an integrin inhibitor, cilengitide. Activation of the focal adhesion kinase/paxillin/AKT signaling pathway was involved in the modulation of GSCs by FN. Focusing on the interactions between tumor cells and the ECM may be an encouraging aspect of research on novel chemotherapeutic therapies in future.
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Affiliation(s)
- Qi Yu
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, China.,Liaoning Clinical Medical Research Center in Nervous System Disease, Shenyang, China.,Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, China
| | - Yixue Xue
- Department of Neurobiology, College of Basic Medicine, China Medical University, Shenyang, China.,Key Laboratory of Cell Biology, Ministry of Public Health of China, China Medical University, Shenyang, China.,Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical University, Shenyang, China
| | - Jing Liu
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, China.,Liaoning Clinical Medical Research Center in Nervous System Disease, Shenyang, China.,Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, China
| | - Zhuo Xi
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, China.,Liaoning Clinical Medical Research Center in Nervous System Disease, Shenyang, China.,Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, China
| | - Zhen Li
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, China.,Liaoning Clinical Medical Research Center in Nervous System Disease, Shenyang, China.,Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, China
| | - Yunhui Liu
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, China.,Liaoning Clinical Medical Research Center in Nervous System Disease, Shenyang, China.,Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, China
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15
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Shi J, Dong B, Cao J, Mao Y, Guan W, Peng Y, Wang S. Long non-coding RNA in glioma: signaling pathways. Oncotarget 2018; 8:27582-27592. [PMID: 28187439 PMCID: PMC5432359 DOI: 10.18632/oncotarget.15175] [Citation(s) in RCA: 99] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2016] [Accepted: 01/24/2017] [Indexed: 12/19/2022] Open
Abstract
Glioma is regarded as the most prevalent malignant carcinoma of the central nervous system. Thus, the development of new therapeutic strategies targeting glioma is of significant clinical importance. Long non-coding RNAs (lncRNAs) are functional RNA molecules without a protein-coding function and are reportedly involved in the initiation and progression of glioma. Dysregulation of lncRNAs in glioma is due to activation of several signaling pathways, such as the BRD4-HOTAIR-β-catenin/PDCD4, p53-Hif-H19/IGF2 and CRNDE/mTOR pathways. Furthermore, microRNAs (miRNAs) such as miR-675 also interact with lncRNAs in glioma. Thus, exploring the mechanisms by which lncRNA control processes will be instrumental for devising new effective therapies against glioma.
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Affiliation(s)
- Jia Shi
- Department of Neurosurgery, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Bo Dong
- Department of Neurosurgery, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Jiachao Cao
- Department of Neurosurgery, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Yumin Mao
- Department of Neurosurgery, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Wei Guan
- Department of Neurosurgery, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Ya Peng
- Department of Neurosurgery, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Suinuan Wang
- Department of Neurosurgery, The Third Affiliated Hospital of Soochow University, Changzhou, China
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16
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Hu C, Yu M, Ren Y, Li K, Maggio DM, Mei C, Ye L, Wei J, Jin J, Zhuang Z, Tong H. PP2A inhibition from LB100 therapy enhances daunorubicin cytotoxicity in secondary acute myeloid leukemia via miR-181b-1 upregulation. Sci Rep 2017; 7:2894. [PMID: 28588271 PMCID: PMC5460144 DOI: 10.1038/s41598-017-03058-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Accepted: 04/21/2017] [Indexed: 12/11/2022] Open
Abstract
Patients with secondary acute myeloid leukemia (sAML) arising from myelodysplastic syndromes have a poor prognosis marked by an increased resistance to chemotherapy. An urgent need exists for adjuvant treatments that can enhance or replace current therapeutic options. Here we show the potential of LB100, a small-molecule protein phosphatase 2 A (PP2A) inhibitor, as a monotherapy and chemosensitizing agent for sAML using an in-vitro and in-vivo approach. We demonstrate that LB100 decreases cell viability through caspase activation and G2/M cell-cycle arrest. LB100 enhances daunorubicin (DNR) cytotoxicity resulting in decreased xenograft volumes and improved overall survival. LB100 profoundly upregulates miR-181b-1, which we show directly binds to the 3′ untranslated region of Bcl-2 mRNA leading to its translational inhibition. MiR-181b-1 ectopic overexpression further diminishes Bcl-2 expression leading to suppression of sAML cell growth, and enhancement of DNR cytotoxicity. Our research highlights the therapeutic potential of LB100, and provides new insights into the mechanism of LB100 chemosensitization.
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Affiliation(s)
- Chao Hu
- Department of Hematology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, People's Republic of China
| | - Mengxia Yu
- Department of Hematology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, People's Republic of China.,Department of Hematology, Hangzhou First People's Hospital, Hangzhou, 310006, Zhejiang Province, People's Republic of China
| | - Yanling Ren
- Department of Hematology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, People's Republic of China.,Myelodysplastic Syndromes Diagnosis and Therapy Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, People's Republic of China
| | - Kongfei Li
- Department of Hematology, Yin Zhou People's Hospital, Ningbo, 315040, Zhejiang Province, People's Republic of China
| | - Dominic M Maggio
- Surgical Neurology Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Chen Mei
- Department of Hematology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, People's Republic of China.,Myelodysplastic Syndromes Diagnosis and Therapy Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, People's Republic of China
| | - Li Ye
- Department of Hematology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, People's Republic of China.,Myelodysplastic Syndromes Diagnosis and Therapy Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, People's Republic of China
| | - Juying Wei
- Department of Hematology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, People's Republic of China
| | - Jie Jin
- Department of Hematology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, People's Republic of China
| | - Zhengping Zhuang
- Surgical Neurology Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, 20892, USA.
| | - Hongyan Tong
- Department of Hematology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, People's Republic of China. .,Myelodysplastic Syndromes Diagnosis and Therapy Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, People's Republic of China.
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17
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Bertoldo MJ, Locatelli Y, O'Neill C, Mermillod P. Impacts of and interactions between environmental stress and epigenetic programming during early embryo development. Reprod Fertil Dev 2017; 27:1125-36. [PMID: 24965854 DOI: 10.1071/rd14049] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2014] [Accepted: 03/31/2014] [Indexed: 01/24/2023] Open
Abstract
The processes of assisted reproductive technologies (ART) involve a variety of interventions that impact on the oocyte and embryo. Critically, these interventions cause considerable stress and coincide with important imprinting events throughout gametogenesis, fertilisation and early embryonic development. It is now accepted that the IVM and in vitro development of gametes and embryos can perturb the natural course of development to varying degrees of severity. Altered gene expression and, more recently, imprinting disorders relating to ART have become a focused area of research. Although various hypotheses have been put forward, most research has been observational, with little attempt to discover the mechanisms and periods of sensitivity during embryo development that are influenced by the culture conditions following fertilisation. The embryo possesses innate survival factor signalling pathways, yet when an embryo is placed in culture, this signalling in response to in vitro stress becomes critically important in mitigating the effects of stresses caused by the in vitro environment. It is apparent that not all embryos possess this ability to adequately adapt to the stresses experienced in vitro, most probably due to an inadequate oocyte. It is speculated that it is important that embryos use their survival signalling mechanisms to maintain normal epigenetic programming. The seeming redundancy in the function of various survival signalling pathways would support this notion. Any invasion into the natural, highly orchestrated and dynamic process of sexual reproduction could perturb the normal progression of epigenetic programming. Therefore the source of gametes and the subsequent culture conditions of gametes and embryos are critically important and require careful attention. It is the aim of this review to highlight avenues of research to elucidate the effects of stress and the relationship with epigenetic programming. The short- and long-term health and viability of human and animal embryos derived in vitro will also be discussed.
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Affiliation(s)
- Michael J Bertoldo
- Institut National de la Recherche Agronomique (INRA), UMR85 Physiologie de la Reproduction et des Comportements, F-37380 Nouzilly, France
| | - Yann Locatelli
- Institut National de la Recherche Agronomique (INRA), UMR85 Physiologie de la Reproduction et des Comportements, F-37380 Nouzilly, France
| | - Christopher O'Neill
- Centre for Developmental and Regenerative Medicine, Kolling Institute for Medical Research, Sydney Medical School, University of Sydney, NSW 2065, Australia
| | - Pascal Mermillod
- Institut National de la Recherche Agronomique (INRA), UMR85 Physiologie de la Reproduction et des Comportements, F-37380 Nouzilly, France
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18
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Xue W, Li L, Tian X, Fan Z, Yue Y, Zhang C, Ding X, Song X, Ma B, Zhai Y, Lu J, Kan Q, Zhao J. Integrated analysis profiles of long non-coding RNAs reveal potential biomarkers of drug resistance in lung cancer. Oncotarget 2017; 8:62868-62879. [PMID: 28968955 PMCID: PMC5609887 DOI: 10.18632/oncotarget.16444] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2016] [Accepted: 02/28/2017] [Indexed: 12/21/2022] Open
Abstract
Lung cancer is one of the leading causes of cancer-related death. Resistance to chemotherapy and molecularly targeted therapies is a major problem that can contribute substantially to high mortality. The roles of long non-coding RNAs (lncRNAs) in drug resistance of lung cancer are insufficiently understood. Here, we identified a distinct drug resistance-related transcriptional signature and constructed a functional lncRNA-mRNA co-expression network. We found that 34 lncRNAs and 103 mRNAs have differential expression in drug resistance of lung cancer, in which 10 lncRNAs were down regulated and 24 up regulated; 49 mRNAs were down regulated and 54 up regulated. LncRNAs-mRNAs expression network analysis revealed a role for lncRNAs in modulating cancer-related pathways. We also found that two pair lncRNAs and their subnetworks were highly related to drug resistance. NR_028502.1/NR_028505.1 were found differentially co-expressed with nine mRNAs, and highly correlated with better clinical outcome. NR_030725.1/NR_030726.1 co-expressed with eleven mRNAs, and were associated with poor survival in patients with lung cancer. Our work comprehensively identified expression signature of resistance-associated lncRNAs and their inter-regulated mRNAs in lung cancer.
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Affiliation(s)
- Wenhua Xue
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Lifeng Li
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China.,Biotherapy Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China.,Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Xin Tian
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Zhirui Fan
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Ying Yue
- Biotherapy Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China.,Department of Clinical Laboratory, The No.7. People's Hospital in Zhengzhou, Zhengzhou 450016, Henan, China
| | - Chaoqi Zhang
- Biotherapy Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China.,Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Xianfei Ding
- Department of General ICU, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Xiaoqin Song
- Engineering Research Center of Digital Medicine, Zhengzhou 450052, Henan, China.,Engineering Laboratory for Digital Telemedicine Service, Zhengzhou 450052, Henan, China
| | - Bingjun Ma
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Yunkai Zhai
- Engineering Research Center of Digital Medicine, Zhengzhou 450052, Henan, China.,Engineering Laboratory for Digital Telemedicine Service, Zhengzhou 450052, Henan, China
| | - Jingli Lu
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Quancheng Kan
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Jie Zhao
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China.,Engineering Research Center of Digital Medicine, Zhengzhou 450052, Henan, China.,Engineering Laboratory for Digital Telemedicine Service, Zhengzhou 450052, Henan, China
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19
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Callari M, Guffanti A, Soldà G, Merlino G, Fina E, Brini E, Moles A, Cappelletti V, Daidone MG. In-depth characterization of breast cancer tumor-promoting cell transcriptome by RNA sequencing and microarrays. Oncotarget 2016; 7:976-94. [PMID: 26556871 PMCID: PMC4808046 DOI: 10.18632/oncotarget.5810] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2015] [Accepted: 10/22/2015] [Indexed: 02/07/2023] Open
Abstract
Numerous studies have reported the existence of tumor-promoting cells (TPC) with self-renewal potential and a relevant role in drug resistance. However, pathways and modifications involved in the maintenance of such tumor subpopulations are still only partially understood. Sequencing-based approaches offer the opportunity for a detailed study of TPC including their transcriptome modulation. Using microarrays and RNA sequencing approaches, we compared the transcriptional profiles of parental MCF7 breast cancer cells with MCF7-derived TPC (i.e. MCFS). Data were explored using different bioinformatic approaches, and major findings were experimentally validated. The different analytical pipelines (Lifescope and Cufflinks based) yielded similar although not identical results. RNA sequencing data partially overlapped microarray results and displayed a higher dynamic range, although overall the two approaches concordantly predicted pathway modifications. Several biological functions were altered in TPC, ranging from production of inflammatory cytokines (i.e., IL-8 and MCP-1) to proliferation and response to steroid hormones. More than 300 non-coding RNAs were defined as differentially expressed, and 2,471 potential splicing events were identified. A consensus signature of genes up-regulated in TPC was derived and was found to be significantly associated with insensitivity to fulvestrant in a public breast cancer patient dataset. Overall, we obtained a detailed portrait of the transcriptome of a breast cancer TPC line, highlighted the role of non-coding RNAs and differential splicing, and identified a gene signature with a potential as a context-specific biomarker in patients receiving endocrine treatment.
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Affiliation(s)
- Maurizio Callari
- Department of Experimental Oncology and Molecular Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | | | - Giulia Soldà
- Department of Biomedical Sciences, Humanitas University, Rozzano, Milan, Italy.,Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Giuseppe Merlino
- Department of Experimental Oncology and Molecular Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Emanuela Fina
- Department of Experimental Oncology and Molecular Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | | | | | - Vera Cappelletti
- Department of Experimental Oncology and Molecular Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Maria Grazia Daidone
- Department of Experimental Oncology and Molecular Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
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20
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Li H, Li H, Hao Y, Jiao Y, Li Z, Yue H, Xu Z, Wang S, Cao Y, Zhao J. Differential long non‑coding RNA and mRNA expression in differentiated human glioblastoma stem cells. Mol Med Rep 2016; 14:2067-76. [PMID: 27432080 DOI: 10.3892/mmr.2016.5505] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2015] [Accepted: 05/04/2016] [Indexed: 11/06/2022] Open
Abstract
Differentiation of glioblastoma stem cells (GSCs) may lead to inhibition of their self‑renewing ability and tumorigenic potential, as well as increasing their sensitivity to treatment. The critical role of long non‑coding RNAs (lncRNAs) in numerous biological processes has been revealed. However, the involvement of lncRNAs in GSC differentiation remains to be elucidated. In the present study, GSCs were isolated from patient samples and differentiation was induced. Using a high‑throughput microarray, the present study identified a profile of 1,545 lncRNAs and 2,729 mRNAs that differed between GSCs and their non‑differentiated counterparts. To ascertain the association between the altered lncRNAs and mRNAs, a co‑expression network was constructed in which 1,087 lncRNAs and 1,928 mRNAs altered upon GSC differentiation formed a total of 19,642 lncRNA‑mRNA pairs. Based on the co‑expression network, the lncRNA functions were additionally predicted by a cis‑ or trans‑ targeting program. Furthermore, three pairs of lncRNAs and their nearby target mRNAs were selected [ENSG00000261924.1‑regulatory associated protein of MTOR complex 1, ENSG00000235427.1‑caveolin 1 and Tax1 binding protein 3 (TAX1BP3)‑purinergic receptor P2X 5 (P2RX5)‑TAX1BP3] and their expression levels were validated by reverse transcription‑quantitative polymerase chain reaction. The altered lncRNAs were also regulated by various pluripotency transcription factors (POU domain, class 3, transcription factor, sex determining region Y‑box 2, spalt‑like transcription factor 2 and oligodendrocyte lineage transcription factor 2). In conclusion, the results of the present study revealed that lncRNAs may function in GSC differentiation by regulating their target mRNAs, and a set of lncRNAs were identified as candidates for further study concerning the future treatment of GSCs.
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Affiliation(s)
- Hao Li
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100050, P.R. China
| | - Haowen Li
- Laboratory of Clinical Medicine Research, Beijing Tiantan Hospital, Capital Medical University, Beijing 100050, P.R. China
| | - Yajing Hao
- Laboratory of Noncoding RNA, Institute of Biophysics, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Beijing 100101, P.R. China
| | - Yuming Jiao
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100050, P.R. China
| | - Zhicen Li
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100050, P.R. China
| | - Haiyan Yue
- Laboratory of Noncoding RNA, Institute of Biophysics, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Beijing 100101, P.R. China
| | - Zhe Xu
- Laboratory of Clinical Medicine Research, Beijing Tiantan Hospital, Capital Medical University, Beijing 100050, P.R. China
| | - Shuo Wang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100050, P.R. China
| | - Yong Cao
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100050, P.R. China
| | - Jizong Zhao
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100050, P.R. China
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21
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Iwadate Y. Epithelial-mesenchymal transition in glioblastoma progression. Oncol Lett 2016; 11:1615-1620. [PMID: 26998052 PMCID: PMC4774466 DOI: 10.3892/ol.2016.4113] [Citation(s) in RCA: 180] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2015] [Accepted: 12/10/2015] [Indexed: 12/16/2022] Open
Abstract
Epithelial-mesenchymal transition (EMT) is a reversible biological process that occurs in epithelial cells. EMT ultimately leads to the acquisition of a mesenchymal phenotype, characterized by increased cell motility and resistance to genotoxic agents. These processes mostly overlap with the acquirement of stem cell properties in differentiated tumor cells. With regard to gliomas, the clinical picture is heterogeneous, even within the same grades and histological categories of the disease. Furthermore, the areas of invasion and responses to radiochemotherapy are markedly different among cases, and occasionally even in the same patient. Such phenotypic diversity in glioma tissues may be caused by various microenvironmental factors, as well as intrinsic genetic alterations. The current review focuses on the EMT-inducing factors that are present in gliomas; these typically vary from those observed in epithelial cancers, as no basement membrane is present. Furthermore, the most important cell-cell contact factor, E-cadherin, is rarely expressed in gliomas. The microenvironment that induces EMT in gliomas is characterized by hypoxia and the enrichment of myeloid cells following stimulation by transforming growth factor-β. Anti-vascular endothelial growth factor therapy, including the use of bevacizumab, may be a suitable candidate to modulate the glioma microenvironment.
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Affiliation(s)
- Yasuo Iwadate
- Department of Neurological Surgery, Graduate School of Medicine, Chiba University, Chiba 260-2870, Japan
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22
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Xue L, Wang Y, Yue S, Zhang J. Low MiR-149 expression is associated with unfavorable prognosis and enhanced Akt/mTOR signaling in glioma. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2015; 8:11178-11184. [PMID: 26617839 PMCID: PMC4637654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 07/01/2015] [Accepted: 08/20/2015] [Indexed: 06/05/2023]
Abstract
MicroRNAs (miRs) play critical roles in the progression of glioma. Previous in vitro studies have described the anti-tumor role of miR-149 in cancer cells including glioma. In this study, we aimed to investigate whether miR-149 is associated with the prognosis of glioma patients. A total of 163 glioma patients who underwent tumor resection were included in our follow-up study. We found that the miR-149 expression was significantly lower in tumor tissues compared with that in normal tissues (P<0.05). Kaplan-Meier and analysis showed that the miR-149 expression status was significantly associated with the survival duration (logrank test, P<0.001), and multivariate Cox regression revealed that patients with low miR-149 expression were exposed to a 1.825 fold higher death risk (HR=1.825, 95% CI=1.031-3.229, P=0.039) compared with those with high miR-149 expression. Further study showed that Akt/mTOR signaling was hyperactive in low miR-149 expressing tissues. Our study thus demonstrates that miR-149 expression in glioma tissues is critically associated with the prognosis of patients, suggesting its potential clinical significance.
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Affiliation(s)
- Liang Xue
- Department of Neurosurgery, Tianjin Medical University General Hospital Tianjin 300052, P. R. China
| | - Yi Wang
- Department of Neurosurgery, Tianjin Medical University General Hospital Tianjin 300052, P. R. China
| | - Shuyuan Yue
- Department of Neurosurgery, Tianjin Medical University General Hospital Tianjin 300052, P. R. China
| | - Jianning Zhang
- Department of Neurosurgery, Tianjin Medical University General Hospital Tianjin 300052, P. R. China
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23
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Safa AR, Saadatzadeh MR, Cohen-Gadol AA, Pollok KE, Bijangi-Vishehsaraei K. Glioblastoma stem cells (GSCs) epigenetic plasticity and interconversion between differentiated non-GSCs and GSCs. Genes Dis 2015; 2:152-163. [PMID: 26137500 PMCID: PMC4484766 DOI: 10.1016/j.gendis.2015.02.001] [Citation(s) in RCA: 152] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2015] [Accepted: 02/01/2015] [Indexed: 12/16/2022] Open
Abstract
Cancer stem cells (CSCs) or cancer initiating cells (CICs) maintain self-renewal and multilineage differentiation properties of various tumors, as well as the cellular heterogeneity consisting of several subpopulations within tumors. CSCs display the malignant phenotype, self-renewal ability, altered genomic stability, specific epigenetic signature, and most of the time can be phenotyped by cell surface markers (e.g., CD133, CD24, and CD44). Numerous studies support the concept that non-stem cancer cells (non-CSCs) are sensitive to cancer therapy while CSCs are relatively resistant to treatment. In glioblastoma stem cells (GSCs), there is clonal heterogeneity at the genetic level with distinct tumorigenic potential, and defined GSC marker expression resulting from clonal evolution which is likely to influence disease progression and response to treatment. Another level of complexity in glioblastoma multiforme (GBM) tumors is the dynamic equilibrium between GSCs and differentiated non-GSCs, and the potential for non-GSCs to revert (dedifferentiate) to GSCs due to epigenetic alteration which confers phenotypic plasticity to the tumor cell population. Moreover, exposure of the differentiated GBM cells to therapeutic doses of temozolomide (TMZ) or ionizing radiation (IR) increases the GSC pool both in vitro and in vivo. This review describes various subtypes of GBM, discusses the evolution of CSC models and epigenetic plasticity, as well as interconversion between GSCs and differentiated non-GSCs, and offers strategies to potentially eliminate GSCs.
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Affiliation(s)
- Ahmad R. Safa
- Indiana University Simon Cancer Center, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Mohammad Reza Saadatzadeh
- Indiana University Simon Cancer Center, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Department of Neurosurgery, IU School of Medicine and Goodman Campbell Brain and Spine, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Aaron A. Cohen-Gadol
- Department of Neurosurgery, IU School of Medicine and Goodman Campbell Brain and Spine, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Karen E. Pollok
- Indiana University Simon Cancer Center, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Khadijeh Bijangi-Vishehsaraei
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Otolaryngology-Head and Neck Surgery, Indiana University School of Medicine, Indianapolis, IN 46202, USA
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Tao H, Yang JJ, Shi KH. Non-coding RNAs as direct and indirect modulators of epigenetic mechanism regulation of cardiac fibrosis. Expert Opin Ther Targets 2015; 19:707-16. [PMID: 25652534 DOI: 10.1517/14728222.2014.1001740] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
INTRODUCTION Cardiac fibroblast activation is a pivotal cellular event in cardiac fibrosis. Numerous studies have indicated that epigenetic modifications control cardiac fibroblast activation. Greater knowledge of the role of epigenetic modifications could improve understanding of the cardiac fibrosis pathogenesis. AREAS COVERED The aim of this review is to describe the present knowledge about the important role of non-coding RNA (ncRNA) transcripts in epigenetic gene regulation in cardiac fibrosis and looks ahead on new perspectives of epigenetic modification research. Furthermore, we will discuss examples of ncRNAs that interact with histone modification or DNA methylation to regulate gene expression. EXPERT OPINION MicroRNAs (miRNAs) and long ncRNAs (lncRNAs) modulate several important aspects of function. Recently, some studies continue to find novel pathways, including the important role of ncRNA transcripts in epigenetic gene regulation. Targeting the miRNAs and lncRNAs can be a promising direction in cardiac fibrosis treatment. We discuss new perspectives of ncRNAs that interact with histone modification or DNA methylation to regulate gene expression, others that are targets of these epigenetic mechanisms. The emerging recognition of the diverse functions of ncRNAs in regulating gene expression by epigenetic mechanisms suggests that they may represent new targets for therapeutic intervention.
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Affiliation(s)
- Hui Tao
- The Second Hospital of Anhui Medical University, Department of Cardiothoracic Surgery , Fu Rong Road, Hefei 230601, Anhui Province , China +86 551 63869531 ; +86 551 63869531 ;
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Wang A, Chen L, Li C, Zhu Y. Heterogeneity in cancer stem cells. Cancer Lett 2015; 357:63-68. [DOI: 10.1016/j.canlet.2014.11.040] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2014] [Revised: 11/18/2014] [Accepted: 11/18/2014] [Indexed: 01/06/2023]
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Godlewski J, Krichevsky AM, Johnson MD, Chiocca EA, Bronisz A. Belonging to a network--microRNAs, extracellular vesicles, and the glioblastoma microenvironment. Neuro Oncol 2014; 17:652-62. [PMID: 25301812 DOI: 10.1093/neuonc/nou292] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2014] [Accepted: 09/09/2014] [Indexed: 12/14/2022] Open
Abstract
The complexity of glioblastoma multiforme (GBM) and its distinct pathophysiology belong to a unique brain microenvironment and its cellular interactions. Despite extensive evidence of a role for microRNAs in GBM cells, little is known about microRNA-dependent communication between different cellular compartments of the microenvironment that may contribute to the tumor phenotype. While the majority of microRNAs are found intracellularly, a significant number of microRNAs have been observed outside of cells, often encapsulated in secreted extracellular vesicles (EVs). The function of these circulating/secreted microRNAs has not been explored in the context of the brain tumor microenvironment. Establishing how microRNAs are involved in the regulation of oncogenic signaling networks between tumor cells and stroma is likely to add a needed additional layer of complexity to the tumor network, consisting of intercellular communication. More importantly, microRNA/EV signaling may provide an additional therapeutic target for this deadly disease.
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Affiliation(s)
- Jakub Godlewski
- Department of Neurosurgery (J.G., M.D.J., E.A.C., A.B.); Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts (A.M.K)
| | - Anna M Krichevsky
- Department of Neurosurgery (J.G., M.D.J., E.A.C., A.B.); Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts (A.M.K)
| | - Mark D Johnson
- Department of Neurosurgery (J.G., M.D.J., E.A.C., A.B.); Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts (A.M.K)
| | - E Antonio Chiocca
- Department of Neurosurgery (J.G., M.D.J., E.A.C., A.B.); Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts (A.M.K)
| | - Agnieszka Bronisz
- Department of Neurosurgery (J.G., M.D.J., E.A.C., A.B.); Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts (A.M.K)
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Saito Y. Alterations of epigenetics and microRNAs in cancer and cancer stem cell. Front Genet 2014; 5:283. [PMID: 25191339 PMCID: PMC4137225 DOI: 10.3389/fgene.2014.00283] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2014] [Accepted: 08/01/2014] [Indexed: 11/13/2022] Open
Affiliation(s)
- Yoshimasa Saito
- Division of Pharmacotherapeutics, Keio University Faculty of Pharmacy Tokyo, Japan
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