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Catalano M, Limatola C, Trettel F. Non-neoplastic astrocytes: key players for brain tumor progression. Front Cell Neurosci 2024; 17:1352130. [PMID: 38293652 PMCID: PMC10825036 DOI: 10.3389/fncel.2023.1352130] [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: 12/07/2023] [Accepted: 12/26/2023] [Indexed: 02/01/2024] Open
Abstract
Astrocytes are highly plastic cells whose activity is essential to maintain the cerebral homeostasis, regulating synaptogenesis and synaptic transmission, vascular and metabolic functions, ions, neuro- and gliotransmitters concentrations. In pathological conditions, astrocytes may undergo transient or long-lasting molecular and functional changes that contribute to disease resolution or exacerbation. In recent years, many studies demonstrated that non-neoplastic astrocytes are key cells of the tumor microenvironment that contribute to the pathogenesis of glioblastoma, the most common primary malignant brain tumor and of secondary metastatic brain tumors. This Mini Review covers the recent development of research on non-neoplastic astrocytes as tumor-modulators. Their double-edged capability to promote cancer progression or to represent potential tools to counteract brain tumors will be discussed.
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Affiliation(s)
- Myriam Catalano
- Laboratory of Neuroimmunology, Department of Physiology and Pharmacology, Sapienza University of Rome, Rome, Italy
| | - Cristina Limatola
- Laboratory of Neuroimmunology, Department of Physiology and Pharmacology, Sapienza University of Rome, Rome, Italy
- IRCCS Neuromed, Pozzilli, Italy
| | - Flavia Trettel
- Laboratory of Neuroimmunology, Department of Physiology and Pharmacology, Sapienza University of Rome, Rome, Italy
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2
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Jaraíz-Rodríguez M, Del Prado L, Balsa E. Metabolic remodeling in astrocytes: Paving the path to brain tumor development. Neurobiol Dis 2023; 188:106327. [PMID: 37839712 DOI: 10.1016/j.nbd.2023.106327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 10/11/2023] [Accepted: 10/12/2023] [Indexed: 10/17/2023] Open
Abstract
The brain is a highly metabolic organ, composed of multiple cell classes, that controls crucial functions of the body. Although neurons have traditionally been the main protagonist, astrocytes have gained significant attention over the last decade. In this regard, astrocytes are a type of glial cells that have recently emerged as critical regulators of central nervous system (CNS) function and play a significant role in maintaining brain energy metabolism. However, in certain scenarios, astrocyte behavior can go awry, which poses a significant threat to brain integrity and function. This is definitively the case for mutations that turn normal astrocytes and astrocytic precursors into gliomas, an aggressive type of brain tumor. In addition, healthy astrocytes can interact with tumor cells, becoming part of the tumor microenvironment and influencing disease progression. In this review, we discuss the recent evidence suggesting that disturbed metabolism in astrocytes can contribute to the development and progression of fatal human diseases such as cancer. Emphasis is placed on detailing the molecular bases and metabolic pathways of this disease and highlighting unique metabolic vulnerabilities that can potentially be exploited to develop successful therapeutic opportunities.
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Affiliation(s)
- Myriam Jaraíz-Rodríguez
- Centro de Biología Molecular Severo Ochoa (CBMSO), Consejo Superior de Investigaciones Científicas-Universidad Autónoma de Madrid (CSIC-UAM), Madrid, Spain
| | - Lucia Del Prado
- Centro de Biología Molecular Severo Ochoa (CBMSO), Consejo Superior de Investigaciones Científicas-Universidad Autónoma de Madrid (CSIC-UAM), Madrid, Spain
| | - Eduardo Balsa
- Centro de Biología Molecular Severo Ochoa (CBMSO), Consejo Superior de Investigaciones Científicas-Universidad Autónoma de Madrid (CSIC-UAM), Madrid, Spain; Instituto Universitario de Biología Molecular - IUBM (Universidad Autónoma de Madrid), Madrid, Spain.
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3
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Sim J, Park J, Moon JS, Lim J. Dysregulation of inflammasome activation in glioma. Cell Commun Signal 2023; 21:239. [PMID: 37723542 PMCID: PMC10506313 DOI: 10.1186/s12964-023-01255-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 08/01/2023] [Indexed: 09/20/2023] Open
Abstract
Gliomas are the most common brain tumors characterized by complicated heterogeneity. The genetic, molecular, and histological pathology of gliomas is characterized by high neuro-inflammation. The inflammatory microenvironment in the central nervous system (CNS) has been closely linked with inflammasomes that control the inflammatory response and coordinate innate host defenses. Dysregulation of the inflammasome causes an abnormal inflammatory response, leading to carcinogenesis in glioma. Because of the clinical importance of the various physiological properties of the inflammasome in glioma, the inflammasome has been suggested as a promising treatment target for glioma management. Here, we summarize the current knowledge on the contribution of the inflammasomes in glioma and therapeutic insights. Video Abstract.
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Affiliation(s)
- JeongMin Sim
- Department of Biomedical Science, College of Life Science, CHA University, Pocheon, 11160, Republic of Korea
- Department of Neurosurgery, CHA Bundang Medical Center, CHA University College of Medicine, 59 Yatap-Ro, Bundang-Gu, Seongnam, 13496, Republic of Korea
| | - JeongMan Park
- Department of Biomedical Science, College of Life Science, CHA University, Pocheon, 11160, Republic of Korea
- Department of Neurosurgery, CHA Bundang Medical Center, CHA University College of Medicine, 59 Yatap-Ro, Bundang-Gu, Seongnam, 13496, Republic of Korea
| | - Jong-Seok Moon
- Department of Integrated Biomedical Science, Soonchunhyang Institute of Medi-Bio Science (SIMS), Soonchunhyang University, Cheonan, 31151, Republic of Korea.
| | - Jaejoon Lim
- Department of Biomedical Science, College of Life Science, CHA University, Pocheon, 11160, Republic of Korea.
- Department of Neurosurgery, CHA Bundang Medical Center, CHA University College of Medicine, 59 Yatap-Ro, Bundang-Gu, Seongnam, 13496, Republic of Korea.
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4
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Adhikari AS, Sullivan T, Bargaje R, Lu L, O’Sullivan TN, Song Y, Van Dyke T. Abrogation of Rb Tumor Suppression Initiates GBM in Differentiated Astrocytes by Driving a Progenitor Cell Program. Front Oncol 2022; 12:904479. [PMID: 35814428 PMCID: PMC9263358 DOI: 10.3389/fonc.2022.904479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 05/09/2022] [Indexed: 11/17/2022] Open
Abstract
Glioblastoma (GBM) remains lethal with no effective treatments. Despite the comprehensive identification of commonly perturbed molecular pathways, little is known about the disease’s etiology, particularly in early stages. Several studies indicate that GBM is initiated in neural progenitor and/or stem cells. Here, we report that differentiated astrocytes are susceptible to GBM development when initiated by perturbation of the RB pathway, which induces a progenitor phenotype. In vitro and in vivo inactivation of Rb tumor suppression (TS) induces cortical astrocytes to proliferate rapidly, express progenitor markers, repress differentiation markers, and form self-renewing neurospheres that are susceptible to multi-lineage differentiation. This phenotype is sufficient to cause grade II astrocytomas which stochastically progress to GBM. Together with previous findings, these results demonstrate that cell susceptibility to GBM depends on the initiating driver.
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Affiliation(s)
- Amit S. Adhikari
- Mouse Cancer Genetics Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD, United States
- *Correspondence: Amit S. Adhikari,
| | - Teresa Sullivan
- Mouse Cancer Genetics Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD, United States
| | | | - Lucy Lu
- Mouse Cancer Genetics Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD, United States
| | - T Norene O’Sullivan
- Mouse Cancer Genetics Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD, United States
| | - Yurong Song
- Mouse Cancer Genetics Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD, United States
| | - Terry Van Dyke
- Mouse Cancer Genetics Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD, United States
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5
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Prevot V, Sharif A. The polygamous GnRH neuron: Astrocytic and tanycytic communication with a neuroendocrine neuronal population. J Neuroendocrinol 2022; 34:e13104. [PMID: 35233849 DOI: 10.1111/jne.13104] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 01/12/2022] [Accepted: 01/30/2022] [Indexed: 11/28/2022]
Abstract
To ensure the survival of the species, hypothalamic neuroendocrine circuits controlling fertility, which converge onto neurons producing gonadotropin-releasing hormone (GnRH), must respond to fluctuating physiological conditions by undergoing rapid and reversible structural and functional changes. However, GnRH neurons do not act alone, but through reciprocal interactions with multiple hypothalamic cell populations, including several glial and endothelial cell types. For instance, it has long been known that in the hypothalamic median eminence, where GnRH axons terminate and release their neurohormone into the pituitary portal blood circulation, morphological plasticity displayed by distal processes of tanycytes modifies their relationship with adjacent neurons as well as the spatial properties of the neurohemal junction. These alterations not only regulate the capacity of GnRH neurons to release their neurohormone, but also the activation of discrete non-neuronal pathways that mediate feedback by peripheral hormones onto the hypothalamus. Additionally, a recent breakthrough has demonstrated that GnRH neurons themselves orchestrate the establishment of their neuroendocrine circuitry during postnatal development by recruiting an entourage of newborn astrocytes that escort them into adulthood and, via signalling through gliotransmitters such as prostaglandin E2, modulate their activity and GnRH release. Intriguingly, several environmental and behavioural toxins perturb these neuron-glia interactions and consequently, reproductive maturation and fertility. Deciphering the communication between GnRH neurons and other neural cell types constituting hypothalamic neuroendocrine circuits is thus critical both to understanding physiological processes such as puberty, oestrous cyclicity and aging, and to developing novel therapeutic strategies for dysfunctions of these processes, including the effects of endocrine disruptors.
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Affiliation(s)
- Vincent Prevot
- Univ. Lille, Inserm, CHU Lille, Laboratory of Development and Plasticity of the Neuroendocrine Brain, Lille Neuroscience & Cognition, UMR-S1172, FHU 1000 Days for Health, Lille, France
| | - Ariane Sharif
- Univ. Lille, Inserm, CHU Lille, Laboratory of Development and Plasticity of the Neuroendocrine Brain, Lille Neuroscience & Cognition, UMR-S1172, FHU 1000 Days for Health, Lille, France
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6
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Pediatric brain tumors as a developmental disease. Curr Opin Oncol 2021; 33:608-614. [PMID: 34431811 DOI: 10.1097/cco.0000000000000782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE OF REVIEW Brain tumors are the most frequent solid cancer in the pediatric population. Owing to the rarity of environmental clues about their origin, it is tempting to consider these neoplasms as developmental processes gone awry. Our review will explore the heuristic power of this hypothesis and the influence of these findings on the clinical management. RECENT FINDING A more accurate description of cancer predisposition syndrome has shown their frequent association with developmental abnormalities. Several genes involved in pediatric brain tumor oncogenesis are involved in developmental processes. Modeling of several pediatric brain tumor in cerebral organoids, mimicking embryonal stage of brain development, indicates that early events during brain development create the conditions necessary for their oncogenesis. SUMMARY The onset of multiple brain tumor types early in life suggests a functional relationship between brain development and oncogenesis. A growing body of evidence seems to support the hypothesis that some of the main developmental steps in the brain can be highjacked by the tumors during their initiation. Collaborations between neuroscientists and oncologists should provide room for improvement in the knowledge for these neoplasms.
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Almairac F, Turchi L, Sakakini N, Debruyne DN, Elkeurti S, Gjernes E, Polo B, Bianchini L, Fontaine D, Paquis P, Chneiweiss H, Junier MP, Verrando P, Burel-Vandenbos F, Virolle T. ERK-Mediated Loss of miR-199a-3p and Induction of EGR1 Act as a "Toggle Switch" of GBM Cell Dedifferentiation into NANOG- and OCT4-Positive Cells. Cancer Res 2020; 80:3236-3250. [PMID: 32366479 DOI: 10.1158/0008-5472.can-19-0855] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 01/27/2020] [Accepted: 04/29/2020] [Indexed: 11/16/2022]
Abstract
There is great interest in understanding how the cancer stem cell population may be maintained in solid tumors. Here, we show that tumor cells exhibiting stem-like properties and expression of pluripotency markers NANOG and OCT4 can arise from original differentiated tumor cells freshly isolated from human glioblastomas (GBM) and that have never known any serum culture conditions. Induction of EGR1 by EGFR/ERK signaling promoted cell conversion from a less aggressive, more differentiated cellular state to a self-renewing and strongly tumorigenic state, expressing NANOG and OCT4. Expression of these pluripotency markers occurred before the cells re-entered the cell cycle, demonstrating their capacity to change and dedifferentiate without any cell divisions. In differentiated GBM cells, ERK-mediated repression of miR-199a-3p induced EGR1 protein expression and triggered dedifferentiation. Overall, this signaling pathway constitutes an ERK-mediated "toggle switch" that promotes pluripotency marker expression and stem-like features in GBM cells. SIGNIFICANCE: This study defines an ERK-mediated molecular mechanism of dedifferentiation of GBM cells into a stem-like state, expressing markers of pluripotency.See related commentary by Koncar and Agnihotri, p. 3195.
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Affiliation(s)
- Fabien Almairac
- Université Côte D'Azur, CNRS, INSERM, Institut de Biologie Valrose, Nice, France.,Service de Neurochirurgie, Hôpital Pasteur, CHU de Nice, France
| | - Laurent Turchi
- Université Côte D'Azur, CNRS, INSERM, Institut de Biologie Valrose, Nice, France.,DRCI, CHU de Nice, France
| | - Nathalie Sakakini
- Université Côte D'Azur, CNRS, INSERM, Institut de Biologie Valrose, Nice, France
| | | | - Sarah Elkeurti
- Université Côte D'Azur, CNRS, INSERM, Institut de Biologie Valrose, Nice, France
| | - Elisabet Gjernes
- Université Côte D'Azur, CNRS, INSERM, Institut de Biologie Valrose, Nice, France
| | - Beatrice Polo
- Université Côte D'Azur, CNRS, INSERM, Institut de Biologie Valrose, Nice, France
| | - Laurence Bianchini
- Laboratory of Solid Tumor Genetics, Université Côte d'Azur (UCA), CNRS UMR7284, INSERM U1081, Institute for Research on Cancer and Aging, Nice (IRCAN), Nice, France
| | - Denys Fontaine
- Service de Neurochirurgie, Hôpital Pasteur, CHU de Nice, France
| | - Philippe Paquis
- Université Côte D'Azur, CNRS, INSERM, Institut de Biologie Valrose, Nice, France.,Service de Neurochirurgie, Hôpital Pasteur, CHU de Nice, France
| | - Herve Chneiweiss
- CNRS UMR8246 Neuroscience Paris Seine - IBPS; Team Glial Plasticity; 7 quai Saint-Bernard, Paris, France.,Inserm U1130, Neuroscience Paris Seine - IBPS; Team Glial Plasticity; 7 quai Saint-Bernard, Paris, France.,Sorbonne University, Neuroscience Paris Seine - IBPS; Team Glial Plasticity; 7 quai Saint-Bernard, Paris, France
| | - Marie-Pierre Junier
- CNRS UMR8246 Neuroscience Paris Seine - IBPS; Team Glial Plasticity; 7 quai Saint-Bernard, Paris, France.,Inserm U1130, Neuroscience Paris Seine - IBPS; Team Glial Plasticity; 7 quai Saint-Bernard, Paris, France.,Sorbonne University, Neuroscience Paris Seine - IBPS; Team Glial Plasticity; 7 quai Saint-Bernard, Paris, France
| | - Patrick Verrando
- Université Côte D'Azur, CNRS, INSERM, Institut de Biologie Valrose, Nice, France
| | - Fanny Burel-Vandenbos
- Université Côte D'Azur, CNRS, INSERM, Institut de Biologie Valrose, Nice, France.,Service d'Anatomopathologie, Hôpital Pasteur, CHU de Nice, France
| | - Thierry Virolle
- Université Côte D'Azur, CNRS, INSERM, Institut de Biologie Valrose, Nice, France.
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8
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Abstract
The details of adult neurogenesis, including environmental triggers, region specificity, and species homology remain an area of intense investigation. Slowing or halting age-related cognitive dysfunction, or restoring neurons lost to disease or injury represent just a fraction of potential therapeutic applications. New neurons can derive from stem cells, pluripotent neural progenitor cells, or non-neuronal glial cells, such as astrocytes. Astrocytes must be epigenetically “reprogrammed” to become neurons, which can occur both naturally in vivo, and via artificial exogenous treatments. While neural progenitor cells are localized to a few neurogenic zones in the adult brain, astrocytes populate almost every brain structure. In this review, we will summarize recent research into neurogenesis that arises from conversion of post-mitotic astrocytes, detail the genetic and epigenetic pathways that regulate this process, and discuss the possible clinical relevance in supplementing stem-cell neurogenic therapies.
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Affiliation(s)
- Brian B Griffiths
- Department of Anesthesiology, Pain & Perioperative Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Anvee Bhutani
- Department of Anesthesiology, Pain & Perioperative Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Creed M Stary
- Department of Anesthesiology, Pain & Perioperative Medicine, Stanford University School of Medicine, Stanford, CA, USA
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9
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The Role of SVZ Stem Cells in Glioblastoma. Cancers (Basel) 2019; 11:cancers11040448. [PMID: 30934929 PMCID: PMC6521108 DOI: 10.3390/cancers11040448] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 03/22/2019] [Accepted: 03/26/2019] [Indexed: 12/27/2022] Open
Abstract
As most common primary brain cancer, glioblastoma is also the most aggressive and malignant form of cancer in the adult central nervous system. Glioblastomas are genetic and transcriptional heterogeneous tumors, which in spite of intensive research are poorly understood. Over the years conventional therapies failed to affect a cure, resulting in low survival rates of affected patients. To improve the clinical outcome, an important approach is to identify the cells of origin. One potential source for these are neural stem cells (NSCs) located in the subventricular zone, which is one of two niches in the adult nervous system where NSCs with the capacity of self-renewal and proliferation reside. These cells normally give rise to neuronal as well as glial progenitor cells. This review summarizes current findings about links between NSCs and cancer stem cells in glioblastoma and discusses current therapeutic approaches, which arise as a result of identifying the cell of origin in glioblastoma.
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10
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Singh SR, Aggarwal P, Hou SX. Cancer Stem Cells and Stem Cell Tumors in Drosophila. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1167:175-190. [DOI: 10.1007/978-3-030-23629-8_10] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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11
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Schiffer D, Annovazzi L, Casalone C, Corona C, Mellai M. Glioblastoma: Microenvironment and Niche Concept. Cancers (Basel) 2018; 11:cancers11010005. [PMID: 30577488 PMCID: PMC6357107 DOI: 10.3390/cancers11010005] [Citation(s) in RCA: 128] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 12/07/2018] [Accepted: 12/07/2018] [Indexed: 01/11/2023] Open
Abstract
The niche concept was originally developed to describe the location of normal neural stem cells (NSCs) in the subependymal layer of the sub-ventricular zone. In this paper, its significance has been extended to the location of tumor stem cells in glioblastoma (GB) to discuss the relationship between GB stem cells (GSCs) and endothelial cells (ECs). Their interaction is basically conceived as responsible for tumor growth, invasion and recurrence. Niches are described as the points of utmost expression of the tumor microenvironment (TME), therefore including everything in the tumor except for tumor cells: NSCs, reactive astrocytes, ECs, glioma-associated microglia/macrophages (GAMs), myeloid cells, pericytes, fibroblasts, etc. and all intrinsic and extrinsic signaling pathways. Perivascular (PVNs), perinecrotic (PNNs) and invasive niches were described from the pathological point of view, highlighting the basic significance of the EC/tumor stem cell couple. PNN development was reinterpreted based on the concept that hyperproliferative areas of GB are composed of GSCs/progenitors. TME was depicted in its function as the main regulator of everything that happens in the tumor. A particular emphasis was given to GAMs, pericytes and reactive astrocytes as important elements affecting proliferation, growth, invasion and resistance to therapies of tumor cells.
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Affiliation(s)
- Davide Schiffer
- Professore Emerito di Neurologia, Università di Torino, Corso Bramante 88/90, 10126 Torino, Italy.
| | - Laura Annovazzi
- Ex Centro Ricerche/Fondazione Policlinico di Monza, Via P. Micca 29, 13100 Vercelli, Italy.
| | - Cristina Casalone
- Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d'Aosta, Via Bologna 148, 10154 Torino, Italy.
| | - Cristiano Corona
- Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d'Aosta, Via Bologna 148, 10154 Torino, Italy.
| | - Marta Mellai
- Dipartimento di Scienze della Salute, Scuola di Medicina, Università del Piemonte Orientale "A. Avogadro", Corso Mazzini 18, 28100 Novara, Italy.
- Fondazione Edo ed Elvo Tempia Valenta-Onlus, Via Malta 3, 13900 Biella, Italy.
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12
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Ledur PF, Onzi GR, Zong H, Lenz G. Culture conditions defining glioblastoma cells behavior: what is the impact for novel discoveries? Oncotarget 2017; 8:69185-69197. [PMID: 28978189 PMCID: PMC5620329 DOI: 10.18632/oncotarget.20193] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Accepted: 08/02/2017] [Indexed: 11/25/2022] Open
Abstract
In cancer research, the use of established cell lines has gradually been replaced by primary cell cultures due to their better representation of in vivo cancer cell behaviors. However, a major challenge with primary culture involves the finding of growth conditions that minimize alterations in the biological state of the cells. To ensure reproducibility and translational potentials for research findings, culture conditions need to be chosen so that the cell population in culture best mimics tumor cells in vivo. Glioblastoma (GBM) is one of the most aggressive and heterogeneous tumor types and the GBM research field would certainly benefit from culture conditions that could maintain the original plethora of phenotype of the cells. Here, we review culture media and supplementation options for GBM cultures, the rationale behind their use, and how much those choices affect drug-screening outcomes. We provide an overview of 120 papers that use primary GBM cultures and discuss the current predominant conditions. We also show important primary research data indicating that “mis-cultured” glioma cells can acquire unnatural drug sensitivity, which would have devastating effects for clinical translations. Finally, we propose the concurrent test of four culture conditions to minimize the loss of cell coverage in culture.
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Affiliation(s)
- Pítia Flores Ledur
- Department of Biophysics and Center of Biotechnology, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS-Brazil
| | - Giovana Ravizzoni Onzi
- Department of Biophysics and Center of Biotechnology, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS-Brazil
| | - Hui Zong
- Department of Microbiology, Immunology, and Cancer Biology, University of Virginia, Charlottesville, VA, USA
| | - Guido Lenz
- Department of Biophysics and Center of Biotechnology, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS-Brazil
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13
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Leclerc C, Haeich J, Aulestia FJ, Kilhoffer MC, Miller AL, Néant I, Webb SE, Schaeffer E, Junier MP, Chneiweiss H, Moreau M. Calcium signaling orchestrates glioblastoma development: Facts and conjunctures. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2016; 1863:1447-59. [PMID: 26826650 DOI: 10.1016/j.bbamcr.2016.01.018] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Revised: 01/18/2016] [Accepted: 01/22/2016] [Indexed: 01/06/2023]
Abstract
While it is a relatively rare disease, glioblastoma multiform (GBM) is one of the more deadly adult cancers. Following current interventions, the tumor is never eliminated whatever the treatment performed; whether it is radiotherapy, chemotherapy, or surgery. One hypothesis to explain this poor outcome is the "cancer stem cell" hypothesis. This concept proposes that a minority of cells within the tumor mass share many of the properties of adult neural stem cells and it is these that are responsible for the growth of the tumor and its resistance to existing therapies. Accumulating evidence suggests that Ca(2+) might also be an important positive regulator of tumorigenesis in GBM, in processes involving quiescence, maintenance, proliferation, or migration. Glioblastoma tumors are generally thought to develop by co-opting pathways that are involved in the formation of an organ. We propose that the cells initiating the tumor, and subsequently the cells of the tumor mass, must hijack the different checkpoints that evolution has selected in order to prevent the pathological development of an organ. In this article, two main points are discussed. (i) The first is the establishment of a so-called "cellular society," which is required to create a favorable microenvironment. (ii) The second is that GBM can be considered to be an organism, which fights to survive and develop. Since GBM evolves in a limited space, its only chance of development is to overcome the evolutionary checkpoints. For example, the deregulation of the normal Ca(2+) signaling elements contributes to the progression of the disease. Thus, by manipulating the Ca(2+) signaling, the GBM cells might not be killed, but might be reprogrammed toward a new fate that is either easy to cure or that has no aberrant functioning. This article is part of a Special Issue entitled: Calcium and Cell Fate. Guest Editors: Jacques Haiech, Claus Heizmann, Joachim Krebs, Thierry Capiod and Olivier Mignen.
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Affiliation(s)
- Catherine Leclerc
- Centre de Biologie du Développement, Université Toulouse 3, 118 route de Narbonne, F31062 Toulouse, Cedex 04, France; CNRS UMR5547, Toulouse F31062, France.
| | - Jacques Haeich
- Laboratoire d'Innovation Thérapeutique, Laboratoire d'Excellence Médalis, UMR 7200 Université de Strasbourg / CNRS, 67412 Illkirch, France
| | - Francisco J Aulestia
- Centre de Biologie du Développement, Université Toulouse 3, 118 route de Narbonne, F31062 Toulouse, Cedex 04, France
| | - Marie-Claude Kilhoffer
- Laboratoire d'Innovation Thérapeutique, Laboratoire d'Excellence Médalis, UMR 7200 Université de Strasbourg / CNRS, 67412 Illkirch, France
| | - Andrew L Miller
- Division of Life Science and State Key Laboratory of Molecular Neuroscience, HKUST, Clear Water Bay, Hong Kong, PR China
| | - Isabelle Néant
- Centre de Biologie du Développement, Université Toulouse 3, 118 route de Narbonne, F31062 Toulouse, Cedex 04, France; CNRS UMR5547, Toulouse F31062, France
| | - Sarah E Webb
- Division of Life Science and State Key Laboratory of Molecular Neuroscience, HKUST, Clear Water Bay, Hong Kong, PR China
| | - Etienne Schaeffer
- IREBS UMR7242 ESBS, Pôle API, Parc d'Innovation d'Illkirch, 67412 Illkirch cedex, France
| | - Marie-Pierre Junier
- Sorbonne Universités, UPMC Univ Paris 06, Centre National de la Recherche Scientifique (CNRS), UMR8246, Institut National de la Santé et de la Recherche Medicale (INSERM), U1130, Institut de Biologie Paris Seine (IBPS), Neuroscience Paris Seine (NPS), Team Glial Plasticity, 7/9 Quai St Bernard, Paris, France
| | - Hervé Chneiweiss
- Sorbonne Universités, UPMC Univ Paris 06, Centre National de la Recherche Scientifique (CNRS), UMR8246, Institut National de la Santé et de la Recherche Medicale (INSERM), U1130, Institut de Biologie Paris Seine (IBPS), Neuroscience Paris Seine (NPS), Team Glial Plasticity, 7/9 Quai St Bernard, Paris, France
| | - Marc Moreau
- Centre de Biologie du Développement, Université Toulouse 3, 118 route de Narbonne, F31062 Toulouse, Cedex 04, France; CNRS UMR5547, Toulouse F31062, France
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14
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Lichti CF, Wildburger NC, Shavkunov AS, Mostovenko E, Liu H, Sulman EP, Nilsson CL. The proteomic landscape of glioma stem-like cells. EUPA OPEN PROTEOMICS 2015. [DOI: 10.1016/j.euprot.2015.06.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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15
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Bentaib A, De Tullio P, Chneiweiss H, Hermans E, Junier MP, Leprince P. Data in support of metabolic reprogramming in transformed mouse cortical astrocytes: A proteomic study. Data Brief 2015. [PMID: 26217695 PMCID: PMC4459766 DOI: 10.1016/j.dib.2014.09.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
2D-DIGE analysis coupled with mass spectrometry is a global, without a priori, comparative proteomic approach particularly suited to identify and quantify enzymes isoforms and structural proteins, thus making it an efficient tool for the characterization of the changes in cell phenotypes that occur in physiological and pathological conditions. In this data article in support of the research article entitled “Metabolic reprogramming in transformed mouse cortical astrocytes: a proteomic study” [1] we illustrate the changes in protein profile that occur during the metabolic reprogramming undergone by cultured mouse astrocytes in a model of in-vitro cancerous transformation [2].
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Affiliation(s)
| | - Pascal De Tullio
- Pharmaceutical Chemistry, Department of Pharmacy, University of Liège, Liège, Belgium
| | - Hervé Chneiweiss
- Glial Plasticity and Cerebral Tumors, UMR8246 CNRS/U1130 Inserm/ UMCR18, Université Pierre et Marie Curie, Paris, France
| | - Emmanuel Hermans
- Institute of Neurosciences, Group of Neuropharmacology, Université Catholique de Louvain, Brussels, Belgium
| | - Marie-Pierre Junier
- Glial Plasticity and Cerebral Tumors, UMR8246 CNRS/U1130 Inserm/ UMCR18, Université Pierre et Marie Curie, Paris, France
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16
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Zong H, Parada LF, Baker SJ. Cell of origin for malignant gliomas and its implication in therapeutic development. Cold Spring Harb Perspect Biol 2015; 7:cshperspect.a020610. [PMID: 25635044 DOI: 10.1101/cshperspect.a020610] [Citation(s) in RCA: 123] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Malignant glioma remains incurable despite tremendous advancement in basic research and clinical practice. The identification of the cell(s) of origin should provide deep insights into leverage points for one to halt disease progression. Here we summarize recent studies that support the notion that neural stem cell (NSC), astrocyte, and oligodendrocyte precursor cell (OPC) can all serve as the cell of origin. We also lay out important considerations on technical rigor for further exploring this subject. Finally, we share perspectives on how one could apply the knowledge of cell of origin to develop effective treatment methods. Although it will be a difficult battle, victory should be within reach as along as we continue to assimilate new information and facilitate the collaboration among basic scientists, translational researchers, and clinicians.
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Affiliation(s)
- Hui Zong
- Department of Microbiology, Immunology, and Cancer Biology, University of Virginia, Charlottesville, Virginia 22908
| | - Luis F Parada
- Department of Developmental Biology, University of Texas Southwestern Medical Center, Dallas, Texas 75390
| | - Suzanne J Baker
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, Tennessee 38105
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17
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Cell transcriptional state alters genomic patterns of DNA double-strand break repair in human astrocytes. Nat Commun 2014; 5:5799. [PMID: 25517576 DOI: 10.1038/ncomms6799] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2014] [Accepted: 11/07/2014] [Indexed: 01/11/2023] Open
Abstract
The misrepair of DNA double-strand breaks in close spatial proximity within the nucleus can result in chromosomal rearrangements that are important in the pathogenesis of haematopoietic and solid malignancies. It is unknown why certain epigenetic states, such as those found in stem or progenitor cells, appear to facilitate neoplastic transformation. Here we show that altering the transcriptional state of human astrocytes alters patterns of DNA damage repair from ionizing radiation at a gene locus-specific and genome-wide level. Astrocytes induced into a reactive state exhibit increased DNA repair, compared with non-reactive cells, in actively transcribed chromatin after irradiation. In mapping these repair sites, we identify misrepair events and repair hotspots that are unique to each state. The precise characterization of genomic regions susceptible to mutation in specific transcriptional states provides new opportunities for addressing clonal evolution in solid cancers, in particular those where double-strand break induction is a cornerstone of clinical intervention.
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18
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Bentaib A, De Tullio P, Chneiweiss H, Hermans E, Junier MP, Leprince P. Metabolic reprogramming in transformed mouse cortical astrocytes: A proteomic study. J Proteomics 2014; 113:292-314. [PMID: 25305589 DOI: 10.1016/j.jprot.2014.09.019] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2014] [Revised: 09/02/2014] [Accepted: 09/22/2014] [Indexed: 11/29/2022]
Abstract
Metabolic reprogramming is thought to play a key role in sustaining the survival and proliferation of cancer cells. These changes facilitate for example the uptake and release of nutrients required for nucleotide, protein and lipid synthesis necessary for macromolecule assembly and tumor growth. We applied a 2D-DIGE (two-dimensional differential in-gel electrophoresis) quantitative proteomic analysis to characterize the proteomes of mouse astrocytes that underwent in vitro cancerous transformation, and of their normal counterparts. Metabolic reprogramming effects on enzymatic and structural protein expression as well as associated metabolites abundance were quantified. Using enzymatic activity measurements and zymography, we documented and confirmed several changes in abundance and activity of various isoenzymes likely to participate in metabolic reprogramming. We found that after transformation, the cells increase their expression of glycolytic enzymes, thus augmenting their ability to use aerobic glycolysis (Warburg effect). An increased capacity to dispose of reducing equivalents through lactate production was also documented. Major effects on carbohydrates, amino acids and nucleotides metabolic enzymes were also observed. Conversely, the transformed cells reduced their enzymatic capacity for reactions of tricarboxylic acid oxidation, for neurotransmitter (glutamate) metabolism, for oxidative stress defense and their expression of astroglial markers. BIOLOGICAL SIGNIFICANCE The use of a global approach based on a 2D DIGE analysis allows obtaining a comprehensive view of the metabolic reprogramming undergone by astrocytes upon cancerous transformation. Indeed, except for a few enzymes such as pyruvate carboxylase and glutaminase that were not detected in our initial analysis, pertinent information on the abundance of most enzymes belonging to pathways relevant to metabolic reprogramming was directly obtained. In this in vitro model, transformation causes major losses of astrocyte-specific proteins and functions and the acquisition of metabolic adaptations that favor intermediate metabolites production for increased macromolecule biosynthesis. Thus our approach appears to be readily applicable for the investigation of changes in protein abundance that determine various transformed cell phenotypes. It could similarly be applied to the evaluation of the effects of treatments aimed at correcting the consequences of cell transformation.
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Affiliation(s)
| | - Pascal De Tullio
- Pharmaceutical chemistry, Department of Pharmacy, University of Liège, Liège, Belgium
| | - Hervé Chneiweiss
- Glial Plasticity and Cerebral Tumors, UMR8246 CNRS/U1130 Inserm/ UMCR18, Université Pierre et Marie Curie, Paris, France
| | - Emmanuel Hermans
- Institute of Neurosciences, Group of Neuropharmacology, Université Catholique de Louvain, Brussels, Belgium
| | - Marie-Pierre Junier
- Glial Plasticity and Cerebral Tumors, UMR8246 CNRS/U1130 Inserm/ UMCR18, Université Pierre et Marie Curie, Paris, France
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19
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Zhou W, Jiang Z, Li X, Xu Y, Shao Z. Cytokines: shifting the balance between glioma cells and tumor microenvironment after irradiation. J Cancer Res Clin Oncol 2014; 141:575-89. [PMID: 25005789 DOI: 10.1007/s00432-014-1772-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2014] [Accepted: 06/30/2014] [Indexed: 12/13/2022]
Abstract
Malignant gliomas invariably recur after irradiation, showing radioresistance. Meanwhile, cranial irradiation can bring some risk for developing cognitive dysfunction. There is increasing evidence that cytokines play their peculiar roles in these processes. On the one hand, cytokines directly influence the progression of malignant glioma, promoting or suppressing tumor progression. On the other hand, cytokines indirectly contribute to the immunologic response against gliomas, exhibiting pro-inflammatory or immunosuppressive activities. We propose that cytokines are not simply unregulated products from tumor cells or immune cells, but mediators finely adjust the balance between glioma cells and tumor microenvironment after irradiation. The paper, therefore, focuses on the changes of cytokines after irradiation, analyzing how these mediate the response of tumor cells and normal cells to irradiation. In addition, cytokine-based immunotherapeutic strategies, accompanied with irradiation, for the treatment of gliomas are also discussed.
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Affiliation(s)
- Wei Zhou
- Department of Radiation Oncology, Cancer Centre, Qilu Hospital, Shandong University, 44 Wenhuaxi Road, Jinan, 250012, Shandong, China
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20
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Thirant C, Gavard J, Junier MP, Chneiweiss H. Critical multiple angiogenic factors secreted by glioblastoma stem-like cells underline the need for combinatorial anti-angiogenic therapeutic strategies. Proteomics Clin Appl 2014; 7:79-90. [PMID: 23229792 DOI: 10.1002/prca.201200102] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2012] [Revised: 10/31/2012] [Accepted: 11/14/2012] [Indexed: 01/06/2023]
Abstract
Glioblastomas are the most frequent adult primary brain tumors that still remain fatal despite major clinical efforts. As in other solid tumors, populations of glioblastoma stem-like cells (GSCs) endowed with tumor initiating and therapeutic resistance properties have been identified. Glioblastomas are highly vascularized tumors resulting in a rich dialog between GSCs and endothelial cells. In one direction, endothelial cells and their secreted proteins are able to sustain GSC properties while, in turn, GSCs can promote neoangiogenesis, modulate endothelial cell functions and may even transdifferentiate into endothelial cells. Accordingly, targeting tumor vasculature seems a promising issue despite incomplete and transient results obtained from anti-vascular endothelial growth factor therapeutic trials. Recent findings of novel GSC-secreted molecules with pro-angiogenic properties (Semaphorin 3A, hepatoma-derived growth factor) open the path to the design of a concerted attack of glioblastoma vasculature that could overcome the development of resistance to single-targeted therapies while keeping away the toxicity of the treatments.
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Affiliation(s)
- Cécile Thirant
- Leukemia and Stem Cell Biology Laboratory, Department of Hematological Medicine, Rayne Institute, King's College London, London, UK
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21
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Abstract
Central nervous system tumors are the most frequent malignant tumor in children and the main cause of death in this age group after traffic accidents. The current estimates are that one adult in 2500 is a survivor of a brain tumor that occurred during childhood. These tumors are particularly heterogeneous in terms of histology/biology, treatment, and outcome. They share, however, a high risk of neurological and cognitive morbidity due to the disease itself and the treatment modalities (radiotherapy, surgery, and chemotherapy). Diagnosis is frequently delayed because symptoms are usually nonspecific at the beginning of the evolution. Posterior fossa is the most frequent site and the tumors present most frequently with signs of intracranial hypertension. Supratentorial tumors are more frequent in infants and in adolescents; seizures are not uncommon, especially for benign tumors. When adjuvant treatment is needed, radiotherapy is usually the mainstay apart from some histologies where chemotherapy may be sufficient: low-grade gliomas, desmoplastic medulloblastomas, malignant glial tumors in infants. Multidisciplinary care is best performed in tertiary care centers and should include early rehabilitation programs soon after surgery.
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Affiliation(s)
- Grill Jacques
- Brain Tumor Program, Department of Pediatric and Adolescent Oncology, Gustave Roussy Cancer Institute, Villejuif, France.
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22
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Thirant C, Galan-Moya EM, Dubois LG, Pinte S, Chafey P, Broussard C, Varlet P, Devaux B, Soncin F, Gavard J, Junier MP, Chneiweiss H. Differential proteomic analysis of human glioblastoma and neural stem cells reveals HDGF as a novel angiogenic secreted factor. Stem Cells 2012; 30:845-53. [PMID: 22331796 DOI: 10.1002/stem.1062] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Presence in glioblastomas of cancer cells with normal neural stem cell (NSC) properties, tumor initiating capacity, and resistance to current therapies suggests that glioblastoma stem-like cells (GSCs) play central roles in glioblastoma development. We cultured human GSCs endowed with all features of tumor stem cells, including tumor initiation after xenograft and radio-chemoresistance. We established proteomes from four GSC cultures and their corresponding whole tumor tissues (TTs) and from human NSCs. Two-dimensional difference gel electrophoresis and tandem mass spectrometry revealed a twofold increase of hepatoma-derived growth factor (HDGF) in GSCs as compared to TTs and NSCs. Western blot analysis confirmed HDGF overexpression in GSCs as well as its presence in GSC-conditioned medium, while, in contrast, no HDGF was detected in NSC secretome. At the functional level, GSC-conditioned medium induced migration of human cerebral endothelial cells that can be blocked by anti-HDGF antibodies. In vivo, GSC-conditioned medium induced neoangiogenesis, whereas HDGF-targeting siRNAs abrogated this effect. Altogether, our results identify a novel candidate, by which GSCs can support neoangiogenesis, a high-grade glioma hallmark. Our strategy illustrates the usefulness of comparative proteomic analysis to decipher molecular pathways, which underlie GSC properties.
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Affiliation(s)
- Cécile Thirant
- INSERM U894, Psychiatry and Neuroscience Center, Glial Plasticity Team, Cochin Institute, Paris Descartes University, Paris, France
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23
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Abstract
Glioma is the most frequent primary brain tumor of adults that has a presumably glial origin. Although our knowledge regarding molecular mechanisms and signaling pathways involved in gliomagenesis has increased immensely during the past decade, high-grade glioma remains a lethal disease with dismal prognosis. The failure of current therapies has to a large extent been ascribed the functional heterogeneity of glioma cells. One reason for this heterogeneity is most certainly the large number of variations in genetic alterations that can be found in high-grade gliomas. Another factor that may influence glioma heterogeneity could be the cell type from which the glioma is initiated. The cell of origin for glioma is still undefined, and additional knowledge about this issue may prove critical for a more complete understanding of glioma biology. Based on information from patients, developmental biology, and experimental glioma models, the most putative target cells include astrocytes, neural stem cells, and oligodendrocyte precursor cells, which are all discussed in more detail in this article. Animal modeling of glioma suggests that these three cell types have the capability to be the origin of glioma, and we have reason to believe that, depending on the initiating cell type, prognosis and response to therapy may be significantly different. Thus, it is essential to explore further the role of cellular origin in glioma.
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Affiliation(s)
- Yiwen Jiang
- Uppsala University, Department of Immunology, Genetics and Pathology, Rudbeck Laboratory, SE-75185 Uppsala, Sweden
| | - Lene Uhrbom
- Uppsala University, Department of Immunology, Genetics and Pathology, Rudbeck Laboratory, SE-75185 Uppsala, Sweden
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24
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Chneiweiss H. [Plasticity of the cellular phenotype]. Biol Aujourdhui 2011; 205:43-6. [PMID: 21501574 DOI: 10.1051/jbio/2011007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2010] [Indexed: 11/14/2022]
Abstract
The tragical consequences of the Hiroshima and Nagasaki atomic bombs in 1945 were to lead to the discovery of hematopoietic stem cells and their phenotypic plasticity, in response to environmental factors. These concepts were much later extended to the founding cells of other tissues. In the following collection of articles, the mechanisms underlying this plasticity, at the frontiers of developmental biology and oncology, are illustrated in the case of various cell types of neural origin and of some tumours.
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Affiliation(s)
- Hervé Chneiweiss
- Laboratoire de Plasticité Gliale, Centre de Psychiatrie et Neurosciences, UMR-S 894/Inserm, Université Paris-Descartes, CHU Sainte Ann, 2 ter rue d'Alésia, 75014 Paris, France.
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25
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Junier MP, Sharif A. [Instability of cell phenotype and tumor initiating cells in gliomas]. Biol Aujourdhui 2011; 205:63-74. [PMID: 21501577 DOI: 10.1051/jbio/2011002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2010] [Indexed: 05/30/2023]
Abstract
Gliomas, the most frequent primitive CNS tumors, have been suggested to originate from astrocytes or from neural progenitors/stem cells. However, the precise identity of the cells at the origin of gliomas remains a matter of debate because no pre-neoplastic state has been yet identified. TGFα, an EGF family member, is frequently over-expressed in the early stages of glioma progression. We questioned whether prolonged TGFα exposure affects the stability of the normal mature astrocyte phenotype and, eventually, their propensity to cancerous transformation. Using mouse astrocyte cultures devoid of residual neural stem cells or progenitors, we demonstrate that several days of TGFα-treatment result in the functional conversion of a population of mature astrocytes into radial glial cells, a population of neural progenitors, without any accompanying sign of cancerous transformation. In contrast, when astrocytes de-differentiated with TGFα were submitted to oncogenic stress using gamma irradiation, they acquired cancerous properties, forming high-grade glioma-like tumors after brain grafting. Gamma irradiation was without effect on astrocytes which were not treated with TGFα. These results suggested that most gliomas should contain tumor cells with stem-like properties (TSCs). Our study of 55 pediatric brain tumors show that tumor cells with stem cell-like or progenitor-like properties can be isolated from a majority of gliomas. Survival analysis showed an association between isolation of TSCs with extended self-renewal capabilities and a patient's higher mortality rate.
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Affiliation(s)
- Marie-Pierre Junier
- Inserm, UMR894, Équipe Plasticité gliale, Université Paris V, 75006 Paris, France.
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26
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Chow LM, Endersby R, Zhu X, Rankin S, Qu C, Zhang J, Broniscer A, Ellison DW, Baker SJ. Cooperativity within and among Pten, p53, and Rb pathways induces high-grade astrocytoma in adult brain. Cancer Cell 2011; 19:305-16. [PMID: 21397855 PMCID: PMC3060664 DOI: 10.1016/j.ccr.2011.01.039] [Citation(s) in RCA: 203] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2010] [Revised: 11/23/2010] [Accepted: 01/10/2011] [Indexed: 12/26/2022]
Abstract
Mutations in the PTEN, TP53, and RB1 pathways are obligate events in the pathogenesis of human glioblastomas. We induced various combinations of deletions in these tumor suppressors in astrocytes and neural precursors in mature mice, resulting in astrocytomas ranging from grade III to grade IV (glioblastoma). There was selection for mutation of multiple genes within a pathway, shown by somatic amplifications of genes in the PI3K or Rb pathway in tumors in which Pten or Rb deletion was an initiating event. Despite multiple mutations within PI3K and Rb pathways, elevated Mapk activation was not consistent. Gene expression profiling revealed striking similarities to subclasses of human diffuse astrocytoma. Astrocytomas were found within and outside of proliferative niches in the adult brain.
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Affiliation(s)
- Lionel M.L. Chow
- Department of Developmental Neurobiology, St. Jude Children’s Research Hospital, Memphis, TN 38105
| | - Raelene Endersby
- Department of Developmental Neurobiology, St. Jude Children’s Research Hospital, Memphis, TN 38105
| | - Xiaoyan Zhu
- Department of Developmental Neurobiology, St. Jude Children’s Research Hospital, Memphis, TN 38105
| | - Sherri Rankin
- Department of Developmental Neurobiology, St. Jude Children’s Research Hospital, Memphis, TN 38105
| | - Chunxu Qu
- Hartwell Center for Bioinformatics and Biotechnology, St. Jude Children’s Research Hospital, Memphis, TN 38105
| | - Junyuan Zhang
- Department of Developmental Neurobiology, St. Jude Children’s Research Hospital, Memphis, TN 38105
| | - Alberto Broniscer
- Department of Oncology, St. Jude Children’s Research Hospital, Memphis, TN 38105
| | - David W. Ellison
- Department of Pathology, St. Jude Children’s Research Hospital, Memphis, TN 38105
| | - Suzanne J. Baker
- Department of Developmental Neurobiology, St. Jude Children’s Research Hospital, Memphis, TN 38105
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27
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Siebzehnrubl FA, Reynolds BA, Vescovi A, Steindler DA, Deleyrolle LP. The origins of glioma: E Pluribus Unum? Glia 2011; 59:1135-47. [DOI: 10.1002/glia.21143] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2010] [Accepted: 12/17/2010] [Indexed: 01/19/2023]
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28
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Thirant C, Bessette B, Varlet P, Puget S, Cadusseau J, Dos Reis Tavares S, Studler JM, Silvestre DC, Susini A, Villa C, Miquel C, Bogeas A, Surena AL, Dias-Morais A, Léonard N, Pflumio F, Bièche I, Boussin FD, Sainte-Rose C, Grill J, Daumas-Duport C, Chneiweiss H, Junier MP. Clinical relevance of tumor cells with stem-like properties in pediatric brain tumors. PLoS One 2011; 6:e16375. [PMID: 21297991 PMCID: PMC3030582 DOI: 10.1371/journal.pone.0016375] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2010] [Accepted: 12/19/2010] [Indexed: 11/19/2022] Open
Abstract
Background Primitive brain tumors are the leading cause of cancer-related death in children. Tumor cells with stem-like properties (TSCs), thought to account for tumorigenesis and therapeutic resistance, have been isolated from high-grade gliomas in adults. Whether TSCs are a common component of pediatric brain tumors and are of clinical relevance remains to be determined. Methodology/Principal Findings Tumor cells with self-renewal properties were isolated with cell biology techniques from a majority of 55 pediatric brain tumors samples, regardless of their histopathologies and grades of malignancy (57% of embryonal tumors, 57% of low-grade gliomas and neuro-glial tumors, 70% of ependymomas, 91% of high-grade gliomas). Most high-grade glioma-derived oncospheres (10/12) sustained long-term self-renewal akin to neural stem cells (>7 self-renewals), whereas cells with limited renewing abilities akin to neural progenitors dominated in all other tumors. Regardless of tumor entities, the young age group was associated with self-renewal properties akin to neural stem cells (P = 0.05, chi-square test). Survival analysis of the cohort showed an association between isolation of cells with long-term self-renewal abilities and a higher patient mortality rate (P = 0.013, log-rank test). Sampling of low- and high-grade glioma cultures showed that self-renewing cells forming oncospheres shared a molecular profile comprising embryonic and neural stem cell markers. Further characterization performed on subsets of high-grade gliomas and one low-grade glioma culture showed combination of this profile with mesenchymal markers, the radio-chemoresistance of the cells and the formation of aggressive tumors after intracerebral grafting. Conclusions/Significance In brain tumors affecting adult patients, TSCs have been isolated only from high-grade gliomas. In contrast, our data show that tumor cells with stem cell-like or progenitor-like properties can be isolated from a wide range of histological sub-types and grades of pediatric brain tumors. They suggest that cellular mechanisms fueling tumor development differ between adult and pediatric brain tumors.
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Affiliation(s)
- Cécile Thirant
- Inserm, UMR894, Team Glial Plasticity, University Paris Descartes, Paris, France
| | - Barbara Bessette
- Inserm, UMR894, Team Glial Plasticity, University Paris Descartes, Paris, France
| | - Pascale Varlet
- Inserm, UMR894, Team Glial Plasticity, University Paris Descartes, Paris, France
- Department of Neuropathology, Hospital Sainte-Anne, Paris, France
| | - Stéphanie Puget
- Pediatric Neurosurgical Department. Hospital Necker, University Paris Descartes, Paris, France
- CNRS UMR 8203, Vectorology and Anticancer Therapeutics, Gustave Roussy Cancer Institute, Villejuif, France
| | | | | | - Jeanne-Marie Studler
- Inserm, UMR894, Team Glial Plasticity, University Paris Descartes, Paris, France
- Collège de France, Paris, France
| | - David Carlos Silvestre
- Laboratoire de Radiopathologie UMR 967, CEA-INSERM-Université Paris VII, Fontenay-aux-Roses, France
| | - Aurélie Susini
- Laboratoire d'Oncogénétique - INSERM U735, Institut Curie/Hôpital René Huguenin, St-Cloud, France
| | - Chiara Villa
- Inserm, UMR894, Team Glial Plasticity, University Paris Descartes, Paris, France
- Department of Neuropathology, Hospital Sainte-Anne, Paris, France
| | - Catherine Miquel
- Inserm, UMR894, Team Glial Plasticity, University Paris Descartes, Paris, France
- Department of Neuropathology, Hospital Sainte-Anne, Paris, France
| | - Alexandra Bogeas
- Inserm, UMR894, Team Glial Plasticity, University Paris Descartes, Paris, France
| | - Anne-Laure Surena
- Inserm, UMR894, Team Glial Plasticity, University Paris Descartes, Paris, France
| | - Amélia Dias-Morais
- Inserm, UMR894, Team Glial Plasticity, University Paris Descartes, Paris, France
| | - Nadine Léonard
- Inserm, UMR894, Team Glial Plasticity, University Paris Descartes, Paris, France
- Department of Neuropathology, Hospital Sainte-Anne, Paris, France
| | - Françoise Pflumio
- Laboratoire des Cellules Souches Hématopoïétiques et Leucémiques, UMR U967, CEA-INSERM-Université Paris VII, Fontenay-aux-Roses, France
| | - Ivan Bièche
- Laboratoire d'Oncogénétique - INSERM U735, Institut Curie/Hôpital René Huguenin, St-Cloud, France
| | - François D. Boussin
- Laboratoire de Radiopathologie UMR 967, CEA-INSERM-Université Paris VII, Fontenay-aux-Roses, France
| | - Christian Sainte-Rose
- Pediatric Neurosurgical Department. Hospital Necker, University Paris Descartes, Paris, France
| | - Jacques Grill
- CNRS UMR 8203, Vectorology and Anticancer Therapeutics, Gustave Roussy Cancer Institute, Villejuif, France
| | - Catherine Daumas-Duport
- Inserm, UMR894, Team Glial Plasticity, University Paris Descartes, Paris, France
- Department of Neuropathology, Hospital Sainte-Anne, Paris, France
| | - Hervé Chneiweiss
- Inserm, UMR894, Team Glial Plasticity, University Paris Descartes, Paris, France
| | - Marie-Pierre Junier
- Inserm, UMR894, Team Glial Plasticity, University Paris Descartes, Paris, France
- Department of Neuropathology, Hospital Sainte-Anne, Paris, France
- * E-mail:
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29
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Prevot V, Hanchate NK, Bellefontaine N, Sharif A, Parkash J, Estrella C, Allet C, de Seranno S, Campagne C, de Tassigny XD, Baroncini M. Function-related structural plasticity of the GnRH system: a role for neuronal-glial-endothelial interactions. Front Neuroendocrinol 2010; 31:241-58. [PMID: 20546773 DOI: 10.1016/j.yfrne.2010.05.003] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2010] [Revised: 05/17/2010] [Accepted: 05/18/2010] [Indexed: 12/18/2022]
Abstract
As the final common pathway for the central control of gonadotropin secretion, GnRH neurons are subjected to numerous regulatory homeostatic and external factors to achieve levels of fertility appropriate to the organism. The GnRH system thus provides an excellent model in which to investigate the complex relationships between neurosecretion, morphological plasticity and the expression of a physiological function. Throughout the reproductive cycle beginning from postnatal sexual development and the onset of puberty to reproductive senescence, and even within the ovarian cycle itself, all levels of the GnRH system undergo morphological plasticity. This structural plasticity within the GnRH system appears crucial to the timely control of reproductive competence within the individual, and as such must have coordinated actions of multiple signals secreted from glial cells, endothelial cells, and GnRH neurons. Thus, the GnRH system must be viewed as a complete neuro-glial-vascular unit that works in concert to maintain the reproductive axis.
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Affiliation(s)
- Vincent Prevot
- Inserm, Jean-Pierre Aubert Research Center, U837, Development and Plasticity of the Postnatal Brain, F-59000 Lille, France.
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Sharif A, Prevot V. ErbB receptor signaling in astrocytes: a mediator of neuron-glia communication in the mature central nervous system. Neurochem Int 2010; 57:344-58. [PMID: 20685225 DOI: 10.1016/j.neuint.2010.05.012] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2009] [Revised: 03/29/2010] [Accepted: 05/18/2010] [Indexed: 10/19/2022]
Abstract
Astrocytes are now recognized as active players in the developing and mature central nervous system. Each astrocyte contacts vascular structures and thousands of synapses within discrete territories. These cells receive a myriad of inputs and generate appropriate responses to regulate the function of brain microdomains. Emerging evidence has implicated receptors of the ErbB tyrosine kinase family in the integration and processing of neuronal inputs by astrocytes: ErbB receptors can be activated by a wide range of neuronal stimuli; they control critical steps of glutamate-glutamine metabolism; and they regulate the biosynthesis and release of various glial-derived neurotrophic factors, gliomediators and gliotransmitters. These key properties of astrocytic ErbB signaling in neuron-glia interactions have significance for the physiology of the mature central nervous system, as exemplified by the central control of reproduction within the hypothalamus, and are also likely to contribute to pathological situations, since both dysregulation of ErbB signaling and glial dysfunction occur in many neurological disorders.
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Affiliation(s)
- Ariane Sharif
- Inserm, Jean-Pierre Aubert Research Center, U837, Development and Plasticity of the postnatal Brain, Lille, France.
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The bright and the dark sides of DNA repair in stem cells. J Biomed Biotechnol 2010; 2010:845396. [PMID: 20396397 PMCID: PMC2852612 DOI: 10.1155/2010/845396] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2009] [Revised: 11/16/2009] [Accepted: 02/01/2010] [Indexed: 12/22/2022] Open
Abstract
DNA repair is a double-edged sword in stem cells. It protects normal stem cells in both embryonic and adult tissues from genetic damage, thus allowing perpetuation of intact genomes into new tissues. Fast and efficient DNA repair mechanisms have evolved in normal stem and progenitor cells. Upon differentiation, a certain degree of somatic mutations becomes more acceptable and, consequently, DNA repair dims. DNA repair turns into a problem when stem cells transform and become cancerous. Transformed stem cells drive growth of a number of tumours (e.g., high grade gliomas) and being particularly resistant to chemo- and radiotherapeutic agents often cause relapses. The contribution of DNA repair to resistance of these tumour-driving cells is the subject of intense research, in order to find novel agents that may sensitize them to chemotherapy and radiotherapy.
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Patru C, Romao L, Varlet P, Coulombel L, Raponi E, Cadusseau J, Renault-Mihara F, Thirant C, Leonard N, Berhneim A, Mihalescu-Maingot M, Haiech J, Bièche I, Moura-Neto V, Daumas-Duport C, Junier MP, Chneiweiss H. CD133, CD15/SSEA-1, CD34 or side populations do not resume tumor-initiating properties of long-term cultured cancer stem cells from human malignant glio-neuronal tumors. BMC Cancer 2010; 10:66. [PMID: 20181261 PMCID: PMC2841664 DOI: 10.1186/1471-2407-10-66] [Citation(s) in RCA: 78] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2009] [Accepted: 02/24/2010] [Indexed: 11/15/2022] Open
Abstract
Background Tumor initiating cells (TICs) provide a new paradigm for developing original therapeutic strategies. Methods We screened for TICs in 47 human adult brain malignant tumors. Cells forming floating spheres in culture, and endowed with all of the features expected from tumor cells with stem-like properties were obtained from glioblastomas, medulloblastoma but not oligodendrogliomas. Results A long-term self-renewal capacity was particularly observed for cells of malignant glio-neuronal tumors (MGNTs). Cell sorting, karyotyping and proteomic analysis demonstrated cell stability throughout prolonged passages. Xenografts of fewer than 500 cells in Nude mouse brains induced a progressively growing tumor. CD133, CD15/LeX/Ssea-1, CD34 expressions, or exclusion of Hoechst dye occurred in subsets of cells forming spheres, but was not predictive of their capacity to form secondary spheres or tumors, or to resist high doses of temozolomide. Conclusions Our results further highlight the specificity of a subset of high-grade gliomas, MGNT. TICs derived from these tumors represent a new tool to screen for innovative therapies.
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Affiliation(s)
- Cristina Patru
- Glial Plasticity lab, Inserm UMR 894, University Paris Descartes, Paris, France
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