1
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Cancer Stem Cell and Aggressiveness Traits Are Promoted by Stable Endothelin-Converting Enzyme-1c in Glioblastoma Cells. Cells 2023; 12:cells12030506. [PMID: 36766848 PMCID: PMC9914402 DOI: 10.3390/cells12030506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 01/17/2023] [Accepted: 01/30/2023] [Indexed: 02/05/2023] Open
Abstract
Glioblastoma (GBM) is the most common and aggressive type of brain tumor due to its elevated recurrence following treatments. This is mainly mediated by a subpopulation of cells with stemness traits termed glioblastoma stem-like cells (GSCs), which are extremely resistant to anti-neoplastic drugs. Thus, an advancement in the understanding of the molecular processes underlying GSC occurrence should contribute significantly towards progress in reducing aggressiveness. High levels of endothelin-converting enzyme-1 (ECE1), key for endothelin-1 (ET-1) peptide activation, have been linked to the malignant progression of GBM. There are four known isoforms of ECE1 that activate ET-1, which only differ in their cytoplasmic N-terminal sequences. Isoform ECE1c is phosphorylated at Ser-18 and Ser-20 by protein kinase CK2, which increases its stability and hence promotes aggressiveness traits in colon cancer cells. In order to study whether ECE1c exerts a malignant effect in GBM, we designed an ECE1c mutant by switching a putative ubiquitination lysine proximal to the phospho-serines Lys-6-to-Arg (i.e., K6R). This ECE1cK6R mutant was stably expressed in U87MG, T98G, and U251 GBM cells, and their behavior was compared to either mock or wild-type ECE1c-expressing clone cells. ECE1cK6R behaved as a highly stable protein in all cell lines, and its expression promoted self-renewal and the enrichment of a stem-like population characterized by enhanced neurospheroid formation, as well as increased expression of stem-like surface markers. These ECE1cK6R-derived GSC-like cells also displayed enhanced resistance to the GBM-related chemotherapy drugs temozolomide and gemcitabine and increased expression of the ABCG2 efflux pump. In addition, ECE1cK6R cells displayed enhanced metastasis-associated traits, such as the modulation of adhesion and the enhancement of cell migration and invasion. In conclusion, the acquisition of a GSC-like phenotype, together with heightened chemoresistance and invasiveness traits, allows us to suggest phospho-ECE1c as a novel marker for poor prognosis as well as a potential therapeutic target for GBM.
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2
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Aissani N, Sebai H. Potent anti-glioblastoma effect of 4-methylthio-3-butenyl isothiocyanate from Raphanus sativus and antioxidant activity. INTERNATIONAL JOURNAL OF FOOD PROPERTIES 2022. [DOI: 10.1080/10942912.2022.2115064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Affiliation(s)
- Nadhem Aissani
- Laboratory of Functional Physiology and Valorization of Bioresources, High Institute of Biotechnology of Beja, University of Jendouba, Beja, Tunisia
| | - Hichem Sebai
- Laboratory of Functional Physiology and Valorization of Bioresources, High Institute of Biotechnology of Beja, University of Jendouba, Beja, Tunisia
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3
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Altinoz MA, Ozpinar A, Hacker E, Ozpinar A. Combining locoregional CAR-T cells, autologous + allogeneic tumor lysate vaccination and levamisole in treatment of glioblastoma. Immunopharmacol Immunotoxicol 2022; 44:797-808. [PMID: 35670420 DOI: 10.1080/08923973.2022.2086136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Glioblastoma multiforme (GBM) is an aggressive brain malignancy and harbors a microenvironment limiting immune cells activity. CAR-T cells are being tested in the treatment of cancers and there exist reports which demonstrate dramatic regression of multicentric GBMs following intrathecal treatment with CAR-T cells. In this article, a triple approach for immune treatment of GBM is proposed. First, GBM tumor specimens for each patient will be saved and cultured to obtain tumor lysates. Then, levamisole will be applied, which possesses immunostimulating, anti-glycolytic, and anti-angiogenic features. Following priming the immune system, GBM patients will be injected with lysates of their own tumor cells plus lysates from a GBM cell line, U251. After 3 months of this treatment, CAR-T cells (transduced with IL13Rα2-CAR) will be applied via intratumoral approach. As such, genetically-modified and native immunocytes may 'meet' in the vicinity of deeply-invading tumor cells and demonstrate greater efficacy via cell-cell interactions. By this, a self-propagating cyclic process - a cancer-immunity cycle - may be initiated to eradicate cancer cells.
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Affiliation(s)
- Meric A Altinoz
- Department of Biochemistry, Acibadem University, Istanbul, Turkey
| | - Alp Ozpinar
- Department of Neurosurgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Emily Hacker
- Department of Neurosurgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Aysel Ozpinar
- Department of Biochemistry, Acibadem University, Istanbul, Turkey
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4
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Hashemi M, abbasiazam A, Oraee-Yazdani S, Lenzer J. Response of human glioblastoma cells to hyperthermia: Cellular apoptosis and molecular events. Tissue Cell 2022; 75:101751. [DOI: 10.1016/j.tice.2022.101751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 02/03/2022] [Indexed: 10/19/2022]
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5
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Effects of Vitexin, a Natural Flavonoid Glycoside, on the Proliferation, Invasion, and Apoptosis of Human U251 Glioblastoma Cells. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:3129155. [PMID: 35281458 PMCID: PMC8906934 DOI: 10.1155/2022/3129155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 01/25/2022] [Accepted: 01/27/2022] [Indexed: 11/18/2022]
Abstract
Glioblastoma is a highly aggressive brain tumor characterized by high recurrence and poor prognosis. Vitexin has shown activities against esophageal, liver, lung, colorectal, and ovarian cancers; however, there is little knowledge on the activity of vitexin against glioblastoma. This study was therefore designed with aims to examine the effects of vitexin on proliferation, invasion, and apoptosis of human U251 glioblastoma cells and explore the underlying molecular mechanisms using mRNA sequencing and molecular docking. Vitexin was found to inhibit cell proliferation, colony formation, and invasion and promote apoptosis in U251 cells. mRNA sequencing identified 499 differentially expressed genes in vitexin-treated U251 cells relative to controls, including 154 upregulated genes and 345 downregulated genes. Gene ontology (GO) term enrichment analysis revealed that the upregulated genes were most significantly enriched in intrinsic apoptotic signaling pathway and the downregulated genes were most significantly enriched in positive regulation of cell development and positive regulation of locomotion relating to biological processes, endoplasmic reticulum lumen and side of membrane relating to cellular components, and receptor ligand activity and receptor regulator activity relating to molecular functions. Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis revealed that the upregulated genes were involved in the pathways of transcriptional misregulation in cancer and the downregulated genes were involved in FoxO and JAK/STAT signaling pathways. Western blotting assay revealed that vitexin treatment resulted in reduced p-JAK1, p-JAK3, and p-STAT3 protein expression in U251 cells relative to untreated controls, and molecular docking predicted that vitexin had docking scores of –8.8, –10.8, and –10.5 kJ/mol with STAT3, JAK1, and JAK2, respectively. The results of the present study demonstrate that vitexin inhibits the proliferation and invasion and induces the apoptosis of glioblastoma U251 cells through suppressing the JAK/STAT3 signaling pathway, and vitexin may be a promising potential agent for the chemotherapy of glioblastoma.
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6
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Petterson SA, Sørensen MD, Kristensen BW. Expression Profiling of Primary and Recurrent Glioblastomas Reveals a Reduced Level of Pentraxin 3 in Recurrent Glioblastomas. J Neuropathol Exp Neurol 2021; 79:975-985. [PMID: 32791527 DOI: 10.1093/jnen/nlaa088] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Glioblastomas (GBM) are highly infiltrative tumors and despite intensive treatment tumor recurrence is inevitable. The immune microenvironment in recurrent GBM is poorly characterized, but it is potentially influenced by therapeutic interventions with surgery, radiotherapy, and chemotherapy. The aim of this study was to obtain a deeper insight in the immune microenvironment in primary and recurrent GBM. Primary and recurrent glioblastoma samples from 18 patients were identified and expression profiling of 770 myeloid innate immune-related markers was performed. Leukemia inhibitory factor and pentraxin 3 were expressed at lower levels in recurrent tumors. Using in silico data and immunohistochemical staining, this was validated for pentraxin 3. Both high leukemia inhibitory factor and pentraxin 3 expression appeared to be associated with shorter survival in primary and recurrent GBM using in silico data. In primary GBM, gene set analysis also showed higher expression of genes involved in metabolism, extracellular matrix remodeling and complement activation, whereas genes involved in T cell activation and checkpoint signaling were expressed at higher levels in recurrent GBM. The reduced level of pentraxin 3 in recurrent glioblastomas and the gene set analysis results suggest an altered microenvironment in recurrent GBM that might be more active.
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Affiliation(s)
- Stine Asferg Petterson
- Department of Pathology, Odense University Hospital, Odense, Denmark.,Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Mia Dahl Sørensen
- Department of Pathology, Odense University Hospital, Odense, Denmark.,Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Bjarne Winther Kristensen
- Department of Pathology, Odense University Hospital, Odense, Denmark.,Department of Clinical Research, University of Southern Denmark, Odense, Denmark
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7
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Sun Z, Wang L, Zhou Y, Dong L, Ma W, Lv L, Zhang J, Wang X. Glioblastoma Stem Cell-Derived Exosomes Enhance Stemness and Tumorigenicity of Glioma Cells by Transferring Notch1 Protein. Cell Mol Neurobiol 2019; 40:767-784. [PMID: 31853695 DOI: 10.1007/s10571-019-00771-8] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Accepted: 12/03/2019] [Indexed: 02/05/2023]
Abstract
Exosomes contain plenty of bioactive information, playing an important role in intercellular communication by transfer their bioactive molecular contents to recipient cells. Glioblastoma stem cells (GSCs) and non-GSC glioma cells coexist in GBM microenvironment; GSC-released exosomes contain intracellular signaling molecules, which may affect the biological phenotypes of recipient cells. However, whether GSC exosomes could affect the biological phenotype of non-GSC glioma cells has not yet been defined. To explore whether GSC exosomes could reprogramme non-GSC glioma cells into GSCs and its possible mechanism involved, non-GSC glioma cells were treated with GSCs released exosomes; the potential mechanisms of action were studied with RNA interference, Notch inhibitors and Western blot analysis. The proliferation, neurosphere formation, invasive capacities, and tumorigenicity of non-GSC glioma cells were increased significantly after GSC exosome treatment; Notch1 signaling pathway was activated in GSCs; Notch1 protein was highly enriched in GSC exosomes; Notch1 signaling pathway and stemness-related protein expressions were increased in GSC exosome treated non-GSC glioma cells and these cell generated tumor tissues; Notch1 protein expression in GSCs and their exosomes, and the neurosphere formation of GSCs were decreased by Notch1 RNA interference; Notch1 signaling pathway protein and stemness protein expressions were decreased in GSC exosome treated non-GSC glioma cells by Notch1 RNA interference and Notch inhibitors. The findings in this study indicated that GSC exosomes act as information carriers, mediated non-GSC glioma cell dedifferentiation into GSCs by delivering Notch1 protein through Notch1 signaling activation, and enhanced stemness and tumorigenicity of non-GSC glioma cells.
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Affiliation(s)
- Zhen Sun
- Laboratory of Experimental Oncology, State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, West China Hospital, West China Clinical Medical School, Sichuan University, No. 1 Keyuan Road 4, Gaopeng Avenu, Hi-tech Zone, Chengdu, 610041, China
| | - Li Wang
- Laboratory of Experimental Oncology, State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, West China Hospital, West China Clinical Medical School, Sichuan University, No. 1 Keyuan Road 4, Gaopeng Avenu, Hi-tech Zone, Chengdu, 610041, China
| | - Yueling Zhou
- Laboratory of Experimental Oncology, State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, West China Hospital, West China Clinical Medical School, Sichuan University, No. 1 Keyuan Road 4, Gaopeng Avenu, Hi-tech Zone, Chengdu, 610041, China
| | - Lihua Dong
- Human Anatomy Department, School of Preclinical and Forensic Medcine, Sichuan University, Chengdu, 610041, China
| | - Weichao Ma
- Neurosurgery Department, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Liang Lv
- Neurosurgery Department, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Jie Zhang
- Laboratory of Experimental Oncology, State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, West China Hospital, West China Clinical Medical School, Sichuan University, No. 1 Keyuan Road 4, Gaopeng Avenu, Hi-tech Zone, Chengdu, 610041, China
| | - Xiujie Wang
- Laboratory of Experimental Oncology, State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, West China Hospital, West China Clinical Medical School, Sichuan University, No. 1 Keyuan Road 4, Gaopeng Avenu, Hi-tech Zone, Chengdu, 610041, China.
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8
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Adenosine Depletion as A New Strategy to Decrease Glioblastoma Stem-Like Cells Aggressiveness. Cells 2019; 8:cells8111353. [PMID: 31671624 PMCID: PMC6912503 DOI: 10.3390/cells8111353] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 10/22/2019] [Accepted: 10/27/2019] [Indexed: 12/30/2022] Open
Abstract
Glioblastoma is the brain tumor with the worst prognosis. This is mainly due to a cell subpopulation with an extremely aggressive potential, called glioblastoma stem-like cells (GSCs). These cells produce high levels of extracellular adenosine, which are increased even more under hypoxic conditions. Under hypoxia, adenosine signaling is related to HIF-2α expression, enhancing cell aggressiveness. Adenosine can be degraded using recombinant adenosine deaminase (ADA) to revert its pathological effects. The aim of this study was to degrade adenosine using ADA in order to decrease malignancy of GSCs. Adenosine depletion was performed using recombinant ADA. Migration and invasion were measured by transwell and matrigel-coated transwell assay, respectively. HIF-2α-dependent cell migration/invasion decreased in GSCs treated with ADA under hypoxia. MRPs-mediated chemoresistance and colony formation decreased in treatment with ADA. In conclusion, adenosine depletion using adenosine deaminase decreases GSCs aggressiveness.
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9
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Lee CW, Hsu LF, Lee MH, Lee IT, Liu JF, Chiang YC, Tsai MH. Extracts of Artocarpus communis Induce Mitochondria-Associated Apoptosis via Pro-oxidative Activity in Human Glioblastoma Cells. Front Pharmacol 2018; 9:411. [PMID: 29770114 PMCID: PMC5941989 DOI: 10.3389/fphar.2018.00411] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Accepted: 04/09/2018] [Indexed: 12/17/2022] Open
Abstract
Glioblastoma multiforme (GBM) is an extremely aggressive and devastating malignant tumor in the central nervous system. Its incidence is increasing and the prognosis is poor. Artocarpin is a natural prenylated flavonoid with various anti-inflammatory and anti-tumor properties. Studies have shown that artocarpin is associated with cell death of primary glioblastoma cells. However, the in vivo effects and the cellular and molecular mechanisms modulating the anticancer activities of artocarpin remain unknown. In this study, we demonstrated that treating the glioblastoma cell lines U87 and U118 cells with artocarpin induced apoptosis. Artocarpin-induced apoptosis is associated with caspase activation and poly (ADP-ribose) polymerase (PARP) cleavage and is mediated by the mitochondrial pathway. This is associated with mitochondrial depolarization, mitochondrial-derived reactive oxidative species (ROS) production, cytochrome c release, Bad and Bax upregulations, and Bcl-2 downregulation. Artocarpin induced NADPH oxidase/ROS generation plays an important role in the mitochondrial pathway activation. Furthermore, we found artocarpin-induced ROS production in mitochondria is associated with Akt- and ERK1/2 activation. After treatment with artocarpin, ROS causes PI3K/Akt/ERK1/2-induced cell death of these tumor cells. These observations were further verified by the results from the implantation of both U87 and U118 cells into in vivo mouse. In conclusion, our findings suggest that artocarpin induces mitochondria-associated apoptosis of glioma cells, suggesting that artocarpine can be a potential chemotherapeutic agent for future GBM treatment.
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Affiliation(s)
- Chiang-Wen Lee
- Division of Basic Medical Sciences, Department of Nursing, Chang Gung University of Science and Technology, Chiayi, Taiwan.,Chronic Diseases and Health Promotion Research Center, Chang Gung University of Science and Technology, Chiayi, Taiwan.,Research Center for Industry of Human Ecology and Research Center for Chinese Herbal Medicine, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan, Taiwan
| | - Lee-Fen Hsu
- Department of Respiratory Care, Chang Gung University of Science and Technology, Chiayi, Taiwan
| | - Ming-Hsueh Lee
- Division of Neurosurgery, Department of Surgery, Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - I-Ta Lee
- The Center of Translational Medicine, Department of Education and Research, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Ju-Fang Liu
- Central Laboratory, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, Taiwan
| | - Yao-Chang Chiang
- Division of Basic Medical Sciences, Department of Nursing, Chang Gung University of Science and Technology, Chiayi, Taiwan.,Center for Drug Abuse and Addiction, China Medical University Hospital, China Medical University, Taichung, Taiwan
| | - Ming-Horng Tsai
- Department of Pediatrics, Division of Neonatology and Pediatric Hematology/Oncology, Yunlin Chang Gung Memorial Hospital, Yunlin County, Taiwan.,College of Medicine, Chang Gung University, Taoyuan, Taiwan
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10
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Quezada C, Torres Á, Niechi I, Uribe D, Contreras-Duarte S, Toledo F, San Martín R, Gutiérrez J, Sobrevia L. Role of extracellular vesicles in glioma progression. Mol Aspects Med 2017; 60:38-51. [PMID: 29222067 DOI: 10.1016/j.mam.2017.12.003] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Revised: 12/01/2017] [Accepted: 12/04/2017] [Indexed: 12/15/2022]
Abstract
The role of extracellular vesicles in cancer biology has emerged as a focus of the study of great importance and has been shown to directly influence tumour development in several cancers including brain tumours, such as gliomas. Gliomas are the most aggressive brain tumours, and in the last time, a considerable effort has been made to understand their biology. Studies focus in the signalling pathways involved in the processes of angiogenesis, viability, drug resistance and immune response evasion, as well as gliomas ability to infiltrate healthy tissue, a phenomenon regulated by the migratory and invasive capacity of the cells within a tumour. In this review, we summarize the different types and classifications of extracellular vesicles, their intravesicular content, and their role in the regulation of tumour progression processes in glioma.
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Affiliation(s)
- Claudia Quezada
- Molecular Pathology Laboratory, Institute of Biochemistry and Microbiology, Faculty of Sciences, Universidad Austral de Chile, Valdivia, Chile.
| | - Ángelo Torres
- Molecular Pathology Laboratory, Institute of Biochemistry and Microbiology, Faculty of Sciences, Universidad Austral de Chile, Valdivia, Chile
| | - Ignacio Niechi
- Molecular Pathology Laboratory, Institute of Biochemistry and Microbiology, Faculty of Sciences, Universidad Austral de Chile, Valdivia, Chile
| | - Daniel Uribe
- Molecular Pathology Laboratory, Institute of Biochemistry and Microbiology, Faculty of Sciences, Universidad Austral de Chile, Valdivia, Chile
| | - Susana Contreras-Duarte
- Cellular and Molecular Physiology Laboratory (CMPL), Division of Obstetrics and Gynaecology, School of Medicine, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330024, Chile
| | - Fernando Toledo
- Cellular and Molecular Physiology Laboratory (CMPL), Division of Obstetrics and Gynaecology, School of Medicine, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330024, Chile; Department of Basic Sciences, Faculty of Sciences, Universidad del Bío-Bío, Chillán 3780000, Chile
| | - Rody San Martín
- Molecular Pathology Laboratory, Institute of Biochemistry and Microbiology, Faculty of Sciences, Universidad Austral de Chile, Valdivia, Chile
| | - Jaime Gutiérrez
- Cellular and Molecular Physiology Laboratory (CMPL), Division of Obstetrics and Gynaecology, School of Medicine, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330024, Chile; Cellular Signaling and Differentiation Laboratory (CSDL), School of Medical Technology, Health Sciences Faculty, Universidad San Sebastián, Santiago 7510157, Chile.
| | - Luis Sobrevia
- Cellular and Molecular Physiology Laboratory (CMPL), Division of Obstetrics and Gynaecology, School of Medicine, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330024, Chile; Department of Physiology, Faculty of Pharmacy, Universidad de Sevilla, Seville E-41012, Spain; University of Queensland Centre for Clinical Research (UQCCR), Faculty of Medicine and Biomedical Sciences, University of Queensland, Herston, QLD 4029, Queensland, Australia.
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11
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Jiang H, Rivera-Molina Y, Gomez-Manzano C, Clise-Dwyer K, Bover L, Vence LM, Yuan Y, Lang FF, Toniatti C, Hossain MB, Fueyo J. Oncolytic Adenovirus and Tumor-Targeting Immune Modulatory Therapy Improve Autologous Cancer Vaccination. Cancer Res 2017; 77:3894-3907. [PMID: 28566332 PMCID: PMC5549681 DOI: 10.1158/0008-5472.can-17-0468] [Citation(s) in RCA: 143] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 04/20/2017] [Accepted: 05/23/2017] [Indexed: 01/10/2023]
Abstract
Oncolytic viruses selectively lyse tumor cells, disrupt immunosuppression within the tumor, and reactivate antitumor immunity, but they have yet to live up to their therapeutic potential. Immune checkpoint modulation has been efficacious in a variety of cancer with an immunogenic microenvironment, but is associated with toxicity due to nonspecific T-cell activation. Therefore, combining these two strategies would likely result in both effective and specific cancer therapy. To test the hypothesis, we first constructed oncolytic adenovirus Delta-24-RGDOX expressing the immune costimulator OX40 ligand (OX40L). Like its predecessor Delta-24-RGD, Delta-24-RGDOX induced immunogenic cell death and recruit lymphocytes to the tumor site. Compared with Delta-24-RGD, Delta-24-RGDOX exhibited superior tumor-specific activation of lymphocytes and proliferation of CD8+ T cells specific to tumor-associated antigens, resulting in cancer-specific immunity. Delta-24-RGDOX mediated more potent antiglioma activity in immunocompetent C57BL/6 but not immunodeficient athymic mice, leading to specific immune memory against the tumor. To further overcome the immune suppression mediated by programmed death-ligand 1 (PD-L1) expression on cancer cells accompanied with virotherapy, intratumoral injection of Delta-24-RGDOX and an anti-PD-L1 antibody showed synergistic inhibition of gliomas and significantly increased survival in mice. Our data demonstrate that combining an oncolytic virus with tumor-targeting immune checkpoint modulators elicits potent in situ autologous cancer vaccination, resulting in an efficacious, tumor-specific, and long-lasting therapeutic effect. Cancer Res; 77(14); 3894-907. ©2017 AACR.
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Affiliation(s)
- Hong Jiang
- Brain Tumor Center, The University of Texas MD Anderson Cancer Center, Houston, Texas.
| | - Yisel Rivera-Molina
- Brain Tumor Center, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | | | - Karen Clise-Dwyer
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Laura Bover
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Luis M Vence
- Department of Immunology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Ying Yuan
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Frederick F Lang
- Brain Tumor Center, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Carlo Toniatti
- Institute for Applied Cancer Science, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Mohammad B Hossain
- Brain Tumor Center, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Juan Fueyo
- Brain Tumor Center, The University of Texas MD Anderson Cancer Center, Houston, Texas.
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12
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Lee G, Auffinger B, Guo D, Hasan T, Deheeger M, Tobias AL, Kim JY, Atashi F, Zhang L, Lesniak MS, James CD, Ahmed AU. Dedifferentiation of Glioma Cells to Glioma Stem-like Cells By Therapeutic Stress-induced HIF Signaling in the Recurrent GBM Model. Mol Cancer Ther 2016; 15:3064-3076. [PMID: 27765847 DOI: 10.1158/1535-7163.mct-15-0675] [Citation(s) in RCA: 84] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2015] [Revised: 09/23/2016] [Accepted: 09/25/2016] [Indexed: 12/12/2022]
Abstract
Increasing evidence exposes a subpopulation of cancer cells, known as cancer stem cells (CSCs), to be critical for the progression of several human malignancies, including glioblastoma multiforme. CSCs are highly tumorigenic, capable of self-renewal, and resistant to conventional therapies, and thus considered to be one of the key contributors to disease recurrence. To elucidate the poorly understood evolutionary path of tumor recurrence and the role of CSCs in this process, we developed patient-derived xenograft glioblastoma recurrent models induced by anti-glioma chemotherapy, temozolomide. In this model, we observed a significant phenotypic shift towards an undifferentiated population. We confirmed these findings in vitro as sorted CD133-negative populations cultured in differentiation-forcing media were found to acquire CD133 expression following chemotherapy treatment. To investigate this phenotypic switch at the single-cell level, glioma stem cell (GSC)-specific promoter-based reporter systems were engineered to track changes in the GSC population in real time. We observed the active phenotypic and functional switch of single non-stem glioma cells to a stem-like state and that temozolomide therapy significantly increased the rate of single-cell conversions. Importantly, we showed the therapy-induced hypoxia-inducible factors (HIF) 1α and HIF2α play key roles in allowing non-stem glioma cells to acquire stem-like traits, as the expression of both HIFs increase upon temozolomide therapy and knockdown of HIFs expression inhibits the interconversion between non-stem glioma cells and GSCs post-therapy. On the basis of our results, we propose that anti-glioma chemotherapy promotes the accumulation of HIFs in the glioblastoma multiforme cells that induces the formation of therapy-resistant GSCs responsible for recurrence. Mol Cancer Ther; 15(12); 3064-76. ©2016 AACR.
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Affiliation(s)
- Gina Lee
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Brenda Auffinger
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Donna Guo
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Tanwir Hasan
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Marc Deheeger
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Alex L Tobias
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Jeong Yeon Kim
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Fatemeh Atashi
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Lingjiao Zhang
- Department of Surgery, University of Chicago, Chicago, Illinois
| | - Maciej S Lesniak
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - C David James
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Atique U Ahmed
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois.
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13
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Li V, Langan TJ, Rodgers KR, Chou RC. Differential and kinetic effects of cell cycle inhibitors on neoplastic and primary astrocytes. Cell Cycle 2016; 15:2669-2679. [PMID: 27579767 DOI: 10.1080/15384101.2016.1220454] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Alterations in cell cycle regulation underlie the unrestricted growth of neoplastic astrocytes. Chemotherapeutic interventions of gliomas have poor prognostic outcomes due to drug resistance and drug toxicity. Here, we examined the in vitro growth kinetics of C6 glioma (C6G) cells and primary astrocytes and their responses to 2 phase-specific inhibitors, lovastatin and hydroxyurea. C6G cells demonstrated a shorter G1 phase and an earlier peak of DNA synthesis in S phase than primary astrocytes. As C6G cells and primary astrocytes re-entered the cell cycle in the presence of lovastatin or hydroxyurea, they exhibited different sensitivities to the inhibitory effects of these agents, as measured by [3H]-thymidine incorporation. Compared to primary astrocytes, C6G cells were more sensitive to lovastatin, but less sensitive to hydroxyurea. Studies using 2 different paradigms of exposure uncovered dramatic differences in the kinetics of DNA synthesis inhibition by these 2 agents in C6G cells and primary astrocytes. One notable difference was the ability of C6G cells to more easily recover from the inhibitory effects of hydroxyurea following short exposure. Our results provide insight into C6 glioma drug resistance as well as the inhibitory effects of these 2 phase-specific inhibitors and their chemotherapeutic potential.
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Affiliation(s)
- Veetai Li
- a Department of Neurosurgery , Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo , Buffalo , New York , USA
| | - Thomas J Langan
- b Department of Neurology , Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo , Buffalo , New York , USA.,c Department of Pediatrics , Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo , Buffalo , New York , USA.,d Department of Physiology and Biophysics of Medicine and Biomedical Sciences , State University of New York at Buffalo , Buffalo , New York , USA.,e Hunter James Kelly Research Institute, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo , Buffalo , New York , USA
| | - Kyla R Rodgers
- f Department of Medicine , Geisel School of Medicine at Dartmouth , Lebanon , New Hampshire , USA
| | - Richard C Chou
- f Department of Medicine , Geisel School of Medicine at Dartmouth , Lebanon , New Hampshire , USA
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KOSTOPOULOS S, KONSTANDINOU C, SIDIROPOULOS K, RAVAZOULA P, KALATZIS I, ASVESTAS P, CAVOURAS D, GLOTSOS D. Assessing the performance of four different categories of histological criteria in brain tumours grading by means of a computer-aided diagnosis image analysis system. J Microsc 2015; 260:37-46. [DOI: 10.1111/jmi.12264] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2014] [Accepted: 04/13/2015] [Indexed: 11/29/2022]
Affiliation(s)
- S. KOSTOPOULOS
- Medical Image and Signal Processing Laboratory; Department of Biomedical Engineering, Technological Educational Institute of Athens; 12210 Egaleo Athens Greece
| | - C. KONSTANDINOU
- Department of Medical Physics; University of Patras; 26504 Rio Patras Greece
| | - K. SIDIROPOULOS
- School of Engineering and Design; Brunel University West London; Uxbridge Middlesex UB8 3PH United Kingdom
| | - P. RAVAZOULA
- Department of Pathology; University Hospital of Patras; 26504 Rio Patras Greece
| | - I. KALATZIS
- Medical Image and Signal Processing Laboratory; Department of Biomedical Engineering, Technological Educational Institute of Athens; 12210 Egaleo Athens Greece
| | - P. ASVESTAS
- Medical Image and Signal Processing Laboratory; Department of Biomedical Engineering, Technological Educational Institute of Athens; 12210 Egaleo Athens Greece
| | - D. CAVOURAS
- Medical Image and Signal Processing Laboratory; Department of Biomedical Engineering, Technological Educational Institute of Athens; 12210 Egaleo Athens Greece
| | - D. GLOTSOS
- Medical Image and Signal Processing Laboratory; Department of Biomedical Engineering, Technological Educational Institute of Athens; 12210 Egaleo Athens Greece
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15
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Incorporation of biomarkers in phase II studies of recurrent glioblastoma. Tumour Biol 2014; 36:153-62. [PMID: 25534238 DOI: 10.1007/s13277-014-2960-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2014] [Accepted: 12/05/2014] [Indexed: 01/15/2023] Open
Abstract
The survival trends for glioblastoma (GBM) patients have remained largely static, reflecting a lack of improvement in the therapeutic options for patients. Less than 5 % of newly diagnosed GBM survives more than 5 years. Tumor relapse is nearly universal and the majority of patients do not respond to further systemic therapy. The results from phase II studies conducted with recurrent GBM patients have not translated to successful confirmatory studies and thus we have reached a significant roadblock in the development of new treatments for patients with recurrent GBM. The development of new, active, and potentially targeted drugs for the treatment of recurrent GBM represents a major unmet need. The incorporation of diagnostic/companion biomarker combinations into the phase II studies and appropriate stratification of the patients is lagging significantly behind other larger cancer groups such as breast, non-small cell lung cancer, and melanoma. We herein carried out a systematic review of the phase II clinical studies conducted in patients with recurrent GBM (2010-2013 inclusive) to assess the degree of biomarker incorporation within the clinical trial design.
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