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Yvone GM, Breunig JJ. Pediatric low-grade glioma models: advances and ongoing challenges. Front Oncol 2024; 13:1346949. [PMID: 38318325 PMCID: PMC10839015 DOI: 10.3389/fonc.2023.1346949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 12/29/2023] [Indexed: 02/07/2024] Open
Abstract
Pediatric low-grade gliomas represent the most common childhood brain tumor class. While often curable, some tumors fail to respond and even successful treatments can have life-long side effects. Many clinical trials are underway for pediatric low-grade gliomas. However, these trials are expensive and challenging to organize due to the heterogeneity of patients and subtypes. Advances in sequencing technologies are helping to mitigate this by revealing the molecular landscapes of mutations in pediatric low-grade glioma. Functionalizing these mutations in the form of preclinical models is the next step in both understanding the disease mechanisms as well as for testing therapeutics. However, such models are often more difficult to generate due to their less proliferative nature, and the heterogeneity of tumor microenvironments, cell(s)-of-origin, and genetic alterations. In this review, we discuss the molecular and genetic alterations and the various preclinical models generated for the different types of pediatric low-grade gliomas. We examined the different preclinical models for pediatric low-grade gliomas, summarizing the scientific advances made to the field and therapeutic implications. We also discuss the advantages and limitations of the various models. This review highlights the importance of preclinical models for pediatric low-grade gliomas while noting the challenges and future directions of these models to improve therapeutic outcomes of pediatric low-grade gliomas.
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Affiliation(s)
- Griselda Metta Yvone
- Board of Governors Regenerative Medicine Institute, Cedars-Sinai Medical Center, Los Angeles, CA, United States
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, United States
| | - Joshua J. Breunig
- Board of Governors Regenerative Medicine Institute, Cedars-Sinai Medical Center, Los Angeles, CA, United States
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, United States
- Center for Neural Sciences in Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, United States
- Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA, United States
- Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
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Marastoni E, Ammendola S, Rossi S, Giovannoni I, Broggi G, Masotto B, Feletti A, Barresi V. H3 K27M mutation in rosette-forming glioneuronal tumors: a potential diagnostic pitfall. Virchows Arch 2024:10.1007/s00428-024-03739-2. [PMID: 38233563 DOI: 10.1007/s00428-024-03739-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 12/18/2023] [Accepted: 01/11/2024] [Indexed: 01/19/2024]
Abstract
According to the fifth edition of the World Health Organization (WHO) classification of tumors of the central nervous system (CNS), diffuse midline glioma H3 K27-altered is a grade 4 infiltrative glioma that arises from midline anatomical structures and is characterized by the loss of H3 K27me3 and co-occurring H3 K27M mutation or EZHIP overexpression. However, the H3 K27M mutation has also been observed in circumscribed gliomas and glioneuronal tumors arising in midline anatomical structures, which may result in diagnostic pitfalls.Rosette-forming glioneuronal tumor (RGNT) is a CNS WHO grade 1 neoplasm that histologically features neurocytic and glial components and originates in midline anatomical structures.This study aimed to assess whether RGNTs, similar to other midline tumors, may exhibit immunohistochemical loss of H3 K27me3 and harbor the H3 K27M mutation.All seven analyzed RGNTs displayed immunohistochemical loss of H3 K27me3 in all tumor cells or H3 K27me3 mosaic immunostaining. In one case, H3 K27me3 loss was associated with the H3 K27M mutation, whereas the other six cases did not exhibit any H3 mutations or EZHIP overexpression. During a follow-up period of 23 months, the H3 K27M-mutant case remained unchanged in size despite partial resection, indicating that the H3 mutation may not confer higher biological aggressiveness to RGNT.The immunohistochemical loss of H3 K27me3 co-occurring with the H3 K27M mutation may result in the potential misdiagnosis of RGNT, especially in cases of small biopsy specimens consisting of only the glial component.
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Affiliation(s)
- Elena Marastoni
- Department of Diagnostics and Public Health, University of Verona, Policlinico G.B. Rossi, P.le L.A. Scuro, 10, 37138, Verona, Italy
| | - Serena Ammendola
- Department of Diagnostics and Public Health, University of Verona, Policlinico G.B. Rossi, P.le L.A. Scuro, 10, 37138, Verona, Italy
| | - Sabrina Rossi
- Unit of Anatomic Pathology, Ospedale Pediatrico Bambino Gesù, Rome, Italy
| | | | - Giuseppe Broggi
- Department of Medical and Surgical Sciences and Advanced Technologies, G.F. Ingrassia, Anatomic Pathology, University of Catania, Catania, Italy
| | - Barbara Masotto
- Unit of Cranial Posterior Fossa Surgery, University and Hospital Trust of Verona, Verona, Italy
| | - Alberto Feletti
- Department of Neurosciences, University of Verona, Verona, Italy
| | - Valeria Barresi
- Department of Diagnostics and Public Health, University of Verona, Policlinico G.B. Rossi, P.le L.A. Scuro, 10, 37138, Verona, Italy.
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Baeza-Kallee N, Bergès R, Hein V, Cabaret S, Garcia J, Gros A, Tabouret E, Tchoghandjian A, Colin C, Figarella-Branger D. Deciphering the Action of Neuraminidase in Glioblastoma Models. Int J Mol Sci 2023; 24:11645. [PMID: 37511403 PMCID: PMC10380381 DOI: 10.3390/ijms241411645] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 07/11/2023] [Accepted: 07/17/2023] [Indexed: 07/30/2023] Open
Abstract
Glioblastoma (GBM) contains cancer stem cells (CSC) that are resistant to treatment. GBM CSC expresses glycolipids recognized by the A2B5 antibody. A2B5, induced by the enzyme ST8 alpha-N-acetyl-neuraminide alpha-2,8-sialyl transferase 3 (ST8Sia3), plays a crucial role in the proliferation, migration, clonogenicity and tumorigenesis of GBM CSC. Our aim was to characterize the resulting effects of neuraminidase that removes A2B5 in order to target GBM CSC. To this end, we set up a GBM organotypic slice model; quantified A2B5 expression by flow cytometry in U87-MG, U87-ST8Sia3 and GBM CSC lines, treated or not by neuraminidase; performed RNAseq and DNA methylation profiling; and analyzed the ganglioside expression by liquid chromatography-mass spectrometry in these cell lines, treated or not with neuraminidase. Results demonstrated that neuraminidase decreased A2B5 expression, tumor size and regrowth after surgical removal in the organotypic slice model but did not induce a distinct transcriptomic or epigenetic signature in GBM CSC lines. RNAseq analysis revealed that OLIG2, CHI3L1, TIMP3, TNFAIP2, and TNFAIP6 transcripts were significantly overexpressed in U87-ST8Sia3 compared to U87-MG. RT-qPCR confirmed these results and demonstrated that neuraminidase decreased gene expression in GBM CSC lines. Moreover, neuraminidase drastically reduced ganglioside expression in GBM CSC lines. Neuraminidase, by its pleiotropic action, is an attractive local treatment against GBM.
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Affiliation(s)
| | - Raphaël Bergès
- Aix Marseille Univ, CNRS, INP, Inst Neurophysiopathol, 13005 Marseille, France
| | - Victoria Hein
- Aix Marseille Univ, CNRS, INP, Inst Neurophysiopathol, 13005 Marseille, France
| | - Stéphanie Cabaret
- ChemoSens Platform, Centre des Sciences du Goût et de l'Alimentation, InstitutAgro, CNRS, INRAE, Université de Bourgogne Franche-Comté, 21000 Dijon, France
| | - Jeremy Garcia
- APHM, CHU Timone, Service d'Anatomie Pathologique et de Neuropathologie, 13005 Marseille, France
| | - Abigaëlle Gros
- Aix Marseille Univ, CNRS, INP, Inst Neurophysiopathol, 13005 Marseille, France
- APHM, CHU Timone, Service d'Anatomie Pathologique et de Neuropathologie, 13005 Marseille, France
| | - Emeline Tabouret
- Aix Marseille Univ, CNRS, INP, Inst Neurophysiopathol, 13005 Marseille, France
- APHM, CHU Timone, Service de Neurooncologie, 13005 Marseille, France
| | | | - Carole Colin
- Aix Marseille Univ, CNRS, INP, Inst Neurophysiopathol, 13005 Marseille, France
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Métais A, Tauziède-Espariat A, Garcia J, Appay R, Uro-Coste E, Meyronet D, Maurage CA, Vandenbos F, Rigau V, Chiforeanu DC, Pallud J, Senova S, Saffroy R, Colin C, Edjlali M, Varlet P, Figarella-Branger D, Godfraind C, Gauchotte G, Mokhtari K, Bielle F, Escande F, Fina F. Clinico-pathological and epigenetic heterogeneity of diffuse gliomas with FGFR3::TACC3 fusion. Acta Neuropathol Commun 2023; 11:14. [PMID: 36647073 PMCID: PMC9843943 DOI: 10.1186/s40478-023-01506-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 01/03/2023] [Indexed: 01/17/2023] Open
Abstract
BACKGROUND Gliomas with FGFR3::TACC3 fusion mainly occur in adults, display pathological features of glioblastomas (GB) and are usually classified as glioblastoma, IDH-wildtype. However, cases demonstrating pathological features of low-grade glioma (LGG) lead to difficulties in classification and clinical management. We report a series of 8 GB and 14 LGG with FGFR3:TACC3 fusion in order to better characterize them. METHODS Centralized pathological examination, search for TERT promoter mutation and DNA-methylation profiling were performed in all cases. Search for prognostic factors was done by the Kaplan-Meir method. RESULTS TERT promoter mutation was recorded in all GB and 6/14 LGG. Among the 7 cases with a methylation score > 0.9 in the classifier (v12.5), 2 were classified as glioblastoma, 4 as ganglioglioma (GG) and 1 as dysembryoplastic neuroepithelial tumor (DNET). t-SNE analysis showed that the 22 cases clustered into three groups: one included 12 cases close to glioblastoma, IDH-wildtype methylation class (MC), 5 cases each clustered with GG or DNET MC but none with PLNTY MC. Unsupervised clustering analysis revealed four groups, two of them being clearly distinct: 5 cases shared age (< 40), pathological features of LGG, lack of TERT promoter mutation, FGFR3(Exon 17)::TACC3(Exon 10) fusion type and LGG MC. In contrast, 4 cases shared age (> 40), pathological features of glioblastoma, and were TERT-mutated. Relevant factors associated with a better prognosis were age < 40 and lack of TERT promoter mutation. CONCLUSION Among gliomas with FGFR3::TACC3 fusion, age, TERT promoter mutation, pathological features, DNA-methylation profiling and fusion subtype are of interest to determine patients' risk.
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Affiliation(s)
- Alice Métais
- GHU Psychiatrie et Neurosciences, Site Sainte-Anne, service de Neuropathologie, Paris, France ,grid.5842.b0000 0001 2171 2558Institut de Psychiatrie et Neurosciences de Paris (IPNP), UMR_S1266, INSERM, Equipe IMA-BRAIN (Imaging Biomarkers for Brain Development and Disorders), Université de Paris, Paris, France
| | - Arnault Tauziède-Espariat
- GHU Psychiatrie et Neurosciences, Site Sainte-Anne, service de Neuropathologie, Paris, France ,grid.5842.b0000 0001 2171 2558Institut de Psychiatrie et Neurosciences de Paris (IPNP), UMR_S1266, INSERM, Equipe IMA-BRAIN (Imaging Biomarkers for Brain Development and Disorders), Université de Paris, Paris, France
| | - Jeremy Garcia
- grid.411266.60000 0001 0404 1115APHM, CHU Timone, Service d’Anatomie Pathologique et de Neuropathologie, Marseille, France
| | - Romain Appay
- grid.411266.60000 0001 0404 1115APHM, CHU Timone, Service d’Anatomie Pathologique et de Neuropathologie, Marseille, France ,grid.464051.20000 0004 0385 4984Aix-Marseille Univ, CNRS, INP, Inst Neurophysiopathol, Marseille, France
| | - Emmanuelle Uro-Coste
- grid.411175.70000 0001 1457 2980Department of Pathology, Toulouse University Hospital, Toulouse, France
| | - David Meyronet
- grid.413852.90000 0001 2163 3825Groupe Hospitalier Est, Département de Neuropathologie, Hospices Civils de Lyon, Bron, France ,grid.7849.20000 0001 2150 7757Claude Bernard University Lyon 1, Lyon, France ,grid.462282.80000 0004 0384 0005Department of Cancer cell plasticity – INSERM U1052, Cancer Research Center of Lyon, Lyon, France
| | - Claude-Alain Maurage
- grid.410463.40000 0004 0471 8845Department of Pathology, Lille University Hospital, Lille, France
| | - Fanny Vandenbos
- grid.464719.90000 0004 0639 4696Department of Neuropathology, Hôpital Pasteur, Nice, France
| | - Valérie Rigau
- grid.121334.60000 0001 2097 0141Department of Pathology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France
| | - Dan Christian Chiforeanu
- grid.414271.5Service d’Anatomie et Cytologie Pathologiques, Pontchaillou University Hospital, Rennes, France
| | - Johan Pallud
- grid.5842.b0000 0001 2171 2558Institut de Psychiatrie et Neurosciences de Paris (IPNP), UMR_S1266, INSERM, Equipe IMA-BRAIN (Imaging Biomarkers for Brain Development and Disorders), Université de Paris, Paris, France ,Department of Neurosurgery, GHU Paris Psychiatrie et Neurosciences, Paris, France
| | - Suhan Senova
- grid.50550.350000 0001 2175 4109Departments of Neurosurgery and Psychiatry, Assistance Publique-Hôpitaux de Paris (APHP) Groupe Henri-Mondor Albert-Chenevier, Créteil, France
| | - Raphaël Saffroy
- grid.413133.70000 0001 0206 8146Department of Biochemistry and Oncogenetic, APHP, Paul-Brousse Hospital, Villejuif, France
| | - Carole Colin
- grid.464051.20000 0004 0385 4984Aix-Marseille Univ, CNRS, INP, Inst Neurophysiopathol, Marseille, France
| | - Myriam Edjlali
- grid.460789.40000 0004 4910 6535Department of Radiology, APHP, Hôpitaux Raymond-Poincaré and Ambroise Paré, DMU Smart Imaging, U 1179 UVSQ/Paris-Saclay, GH Université Paris-Saclay, Paris, France ,grid.503243.3Laboratoire d’imagerie Biomédicale Multimodale (BioMaps), CEA, CNRS, Inserm, Service Hospitalier Frédéric Joliot, Université Paris-Saclay, Orsay, France
| | - Pascale Varlet
- GHU Psychiatrie et Neurosciences, Site Sainte-Anne, service de Neuropathologie, Paris, France ,grid.5842.b0000 0001 2171 2558Institut de Psychiatrie et Neurosciences de Paris (IPNP), UMR_S1266, INSERM, Equipe IMA-BRAIN (Imaging Biomarkers for Brain Development and Disorders), Université de Paris, Paris, France
| | - Dominique Figarella-Branger
- grid.411266.60000 0001 0404 1115APHM, CHU Timone, Service d’Anatomie Pathologique et de Neuropathologie, Marseille, France ,grid.464051.20000 0004 0385 4984Aix-Marseille Univ, CNRS, INP, Inst Neurophysiopathol, Marseille, France
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Jesus-Ribeiro J, Rebelo O, Ribeiro IP, Pires LM, Melo JD, Sales F, Santana I, Freire A, Melo JB. The landscape of common genetic drivers and DNA methylation in low-grade (epilepsy-associated) neuroepithelial tumors: A review. Neuropathology 2022; 42:467-482. [PMID: 35844095 DOI: 10.1111/neup.12846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 05/05/2022] [Accepted: 06/05/2022] [Indexed: 12/15/2022]
Abstract
Low-grade neuroepithelial tumors (LNETs) represent an important group of central nervous system neoplasms, some of which may be associated to epilepsy. The concept of long-term epilepsy-associated tumors (LEATs) includes a heterogenous group of low-grade, cortically based tumors, associated to drug-resistant epilepsy, often requiring surgical treatment. LEATs entities can sometimes be poorly discriminated by histological features, precluding a confident classification in the absence of additional diagnostic tools. This study aimed to provide an updated review on the genomic findings and DNA methylation profiling advances in LNETs, including histological entities of LEATs. A comprehensive search strategy was conducted on PubMed, Embase, and Web of Science Core Collection. High-quality peer-reviewed original manuscripts and review articles with full-text in English, published between 2003 and 2022, were included. Results were screened based on titles and abstracts to determine suitability for inclusion, and when addressed the topic of the review was screened by full-text reading. Data extraction was performed through a qualitative content analysis approach. Most LNETs appear to be driven mainly by a single genomic abnormality and respective affected signaling pathway, including BRAF p.V600E mutations in ganglioglioma, FGFR1 abnormalities in dysembryoplastic neuroepithelial tumor, MYB alterations in angiocentric glioma, BRAF fusions in pilocytic astrocytoma, PRKCA fusions in papillary glioneuronal tumor, between others. However, these molecular alterations are not exclusive, with some overlap amongst different tumor histologies. Also, clustering analysis of DNA methylation profiles allowed the identification of biologically similar molecular groups that sometimes transcend conventional histopathological classification. The exciting developments on the molecular basis of these tumors reinforce the importance of an integrative histopathological and (epi)genetic classification, which can be translated into precision medicine approaches.
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Affiliation(s)
- Joana Jesus-Ribeiro
- Neurology Department, Centro Hospitalar de Leiria, Leiria, Portugal.,Coimbra Institute for Clinical and Biomedical Research (iCBR) and Center of Investigation on Environment Genetics and Oncobiology (CIMAGO), Faculty of Medicine, University of Coimbra, Coimbra, Portugal
| | - Olinda Rebelo
- Neuropathology Laboratory, Neurology Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
| | - Ilda Patrícia Ribeiro
- Coimbra Institute for Clinical and Biomedical Research (iCBR) and Center of Investigation on Environment Genetics and Oncobiology (CIMAGO), Faculty of Medicine, University of Coimbra, Coimbra, Portugal.,Laboratory of Cytogenetics and Genomics, Faculty of Medicine, University of Coimbra, Coimbra, Portugal
| | - Luís Miguel Pires
- Coimbra Institute for Clinical and Biomedical Research (iCBR) and Center of Investigation on Environment Genetics and Oncobiology (CIMAGO), Faculty of Medicine, University of Coimbra, Coimbra, Portugal.,Laboratory of Cytogenetics and Genomics, Faculty of Medicine, University of Coimbra, Coimbra, Portugal
| | - João Daniel Melo
- Internal Medicine Department, CUF Coimbra Hospital, Coimbra, Portugal
| | - Francisco Sales
- Epilepsy and Sleep Monitoring Unit, Neurology Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
| | - Isabel Santana
- Neurology Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal.,Faculty of Medicine, University of Coimbra, Coimbra, Portugal
| | - António Freire
- Faculty of Medicine, University of Coimbra, Coimbra, Portugal.,Neurology Department, Coimbra Luz Hospital, Coimbra, Portugal
| | - Joana Barbosa Melo
- Coimbra Institute for Clinical and Biomedical Research (iCBR) and Center of Investigation on Environment Genetics and Oncobiology (CIMAGO), Faculty of Medicine, University of Coimbra, Coimbra, Portugal.,Laboratory of Cytogenetics and Genomics, Faculty of Medicine, University of Coimbra, Coimbra, Portugal
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