1
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Li Y, Sanchez Triviño CA, Hernandez A, Mortal S, Spada F, Krivosheia I, Franco N, Spelat R, Cesselli D, Manini I, Skrap M, Menini A, Cesca F, Torre V. Mechanisms of Glioblastoma Replication: Ca2+ Flares and Cl- Currents. Mol Cancer Res 2024; 22:852-863. [PMID: 38820126 DOI: 10.1158/1541-7786.mcr-23-0934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 04/11/2024] [Accepted: 05/29/2024] [Indexed: 06/02/2024]
Abstract
Glioblastoma (GBM) is amongst the deadliest types of cancers, with no resolutive cure currently available. GBM cell proliferation in the patient's brain is a complex phenomenon controlled by multiple mechanisms. The aim of this study was to determine whether the ionic fluxes controlling cell duplication could represent a target for GBM therapy. In this work, we combined multi-channel Ca2+ and Cl- imaging, optical tweezers, electrophysiology, and immunohistochemistry to describe the role of ion fluxes in mediating the cell volume changes that accompany mitosis of U87 GBM cells. We identified three main steps: (i) in round GBM cells undergoing mitosis, during the transition from anaphase to telophase and cytokinesis, large Ca2+ flares occur, reaching values of 0.5 to 1 μmol/L; (ii) these Ca2+ flares activate Ca2+-dependent Cl- channels, allowing the entry of Cl- ions; and (iii) to maintain osmotic balance, GBM cells swell to complete mitosis. This sequence of steps was validated by electrophysiological experiments showing that Cl- channels are activated either directly or indirectly by Ca2+, and by additional live-cell imaging experiments. Cl- channel blockers with different molecular structures, such as niflumic acid and carbenoxolone, blocked GBM replication by arresting GBM cells in a round configuration. These results describe the central role of Ca2+ flares and Cl- fluxes during mitosis and show that inhibition of Ca2+-activated Cl- channels blocks GBM replication, opening the way to new approaches for the clinical treatment of GBM. Implications: Our work identifies ionic fluxes occurring during cell division as targets for devising novel therapies for glioblastoma treatment.
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Affiliation(s)
- Yunzhen Li
- Central Laboratory of the Medical Research Center, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang Province, China
- International School for Advanced Studies (SISSA), Trieste, Italy
| | | | - Andres Hernandez
- International School for Advanced Studies (SISSA), Trieste, Italy
| | - Simone Mortal
- International School for Advanced Studies (SISSA), Trieste, Italy
| | - Federica Spada
- International School for Advanced Studies (SISSA), Trieste, Italy
- Department of Life Sciences, University of Trieste, Trieste, Italy
- IOM-CNR, Trieste, Italy
| | - Ilona Krivosheia
- International School for Advanced Studies (SISSA), Trieste, Italy
- Department of Life Sciences, University of Trieste, Trieste, Italy
- IOM-CNR, Trieste, Italy
| | - Nicoletta Franco
- Department of Life Sciences, University of Trieste, Trieste, Italy
| | - Renza Spelat
- International School for Advanced Studies (SISSA), Trieste, Italy
- IOM-CNR, Trieste, Italy
| | - Daniela Cesselli
- Department of Medicine, Institute of Pathology, University Hospital of Udine, University of Udine, Udine, Italy
| | - Ivana Manini
- Department of Medicine, Institute of Pathology, University Hospital of Udine, University of Udine, Udine, Italy
| | - Miran Skrap
- Neurosurgery Unit, Head-Neck and Neuroscience Department, University Hospital of Udine, Udine, Italy
| | - Anna Menini
- International School for Advanced Studies (SISSA), Trieste, Italy
| | - Fabrizia Cesca
- Department of Life Sciences, University of Trieste, Trieste, Italy
| | - Vincent Torre
- International School for Advanced Studies (SISSA), Trieste, Italy
- IOM-CNR, Trieste, Italy
- BISS GlioGuard S.r.l., Trieste, Italy
- Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, P.R. China
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2
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Mahaffey BJ, Fowler ZP, Lung Z, Dang V, Lee H, Johnson AM, Munoz MA, Goodin DA, Frieboes HB, Williams BJ, Chen J. The prognostic effect of mechanical, ultrastructural, and ECM signatures in glioblastoma core and rim. APL Bioeng 2024; 8:036101. [PMID: 38946776 PMCID: PMC11209891 DOI: 10.1063/5.0203570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Accepted: 06/11/2024] [Indexed: 07/02/2024] Open
Abstract
Glioblastoma (GBM) is a highly invasive, aggressive brain cancer that carries a median survival of 15 months and is resistant to standard therapeutics. Recent studies have demonstrated that intratumoral heterogeneity plays a critical role in promoting resistance by mediating tumor adaptation through microenvironmental cues. GBM can be separated into two distinct regions-a core and a rim, which are thought to drive specific aspects of tumor evolution. These differences in tumor progression are regulated by the diverse biomolecular and biophysical signals in these regions, but the acellular biophysical characteristics remain poorly described. This study investigates the mechanical and ultrastructural characteristics of the tumor extracellular matrix (ECM) in patient-matched GBM core and rim tissues. Seven patient-matched tumor core and rim samples and one non-neoplastic control were analyzed using atomic force microscopy, scanning electron microscopy, and immunofluorescence imaging to quantify mechanical, ultrastructural, and ECM composition changes. The results reveal significant differences in biophysical parameters between GBM core, rim, and non-neoplastic tissues. The GBM core is stiffer, denser, and is rich in ECM proteins hyaluronic acid and tenascin-C when compared to tumor rim and non-neoplastic tissues. These alterations are intimately related and have prognostic effect with stiff, dense tissue correlating with longer progression-free survival. These findings reveal new insights into the spatial heterogeneity of biophysical parameters in the GBM tumor microenvironment and identify a set of characteristics that may correlate with patient prognosis. In the long term, these characteristics may aid in the development of strategies to combat therapeutic resistance.
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Affiliation(s)
- Bradley J. Mahaffey
- Department of Bioengineering, University of Louisville, Louisville, Kentucky 40292, USA
| | - Zachary P. Fowler
- Department of Bioengineering, University of Louisville, Louisville, Kentucky 40292, USA
| | - Zoe Lung
- Department of Bioengineering, University of Louisville, Louisville, Kentucky 40292, USA
| | - Vivien Dang
- Department of Neurosurgery, University of Louisville, Louisville, Kentucky 40202, USA
| | - Hyunchul Lee
- Department of Neurosurgery, University of Louisville, Louisville, Kentucky 40202, USA
| | | | - Marco A. Munoz
- Department of Bioengineering, University of Louisville, Louisville, Kentucky 40292, USA
| | - Dylan A. Goodin
- Department of Bioengineering, University of Louisville, Louisville, Kentucky 40292, USA
| | | | | | - Joseph Chen
- Author to whom correspondence should be addressed:. Tel.: (502) 852–3971
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3
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Pennisi G, Bruzzaniti P, Burattini B, Piaser Guerrato G, Della Pepa GM, Sturiale CL, Lapolla P, Familiari P, La Pira B, D’Andrea G, Olivi A, D’Alessandris QG, Montano N. Advancements in Telomerase-Targeted Therapies for Glioblastoma: A Systematic Review. Int J Mol Sci 2024; 25:8700. [PMID: 39201386 PMCID: PMC11354571 DOI: 10.3390/ijms25168700] [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: 06/25/2024] [Revised: 07/25/2024] [Accepted: 08/06/2024] [Indexed: 09/02/2024] Open
Abstract
Glioblastoma (GBM) is a primary CNS tumor that is highly lethal in adults and has limited treatment options. Despite advancements in understanding the GBM biology, the standard treatment for GBM has remained unchanged for more than a decade. Only 6.8% of patients survive beyond five years. Telomerase, particularly the hTERT promoter mutations present in up to 80% of GBM cases, represents a promising therapeutic target due to its role in sustaining telomere length and cancer cell proliferation. This review examines the biology of telomerase in GBM and explores potential telomerase-targeted therapies. We conducted a systematic review following the PRISMA-P guidelines in the MEDLINE/PubMed and Scopus databases, from January 1995 to April 2024. We searched for suitable articles by utilizing the terms "GBM", "high-grade gliomas", "hTERT" and "telomerase". We incorporated studies addressing telomerase-targeted therapies into GBM studies, excluding non-English articles, reviews, and meta-analyses. We evaluated a total of 777 records and 46 full texts, including 36 studies in the final review. Several compounds aimed at inhibiting hTERT transcription demonstrated promising preclinical outcomes; however, they were unsuccessful in clinical trials owing to intricate regulatory pathways and inadequate pharmacokinetics. Direct hTERT inhibitors encountered numerous obstacles, including a prolonged latency for telomere shortening and the activation of the alternative lengthening of telomeres (ALT). The G-quadruplex DNA stabilizers appeared to be potential indirect inhibitors, but further clinical studies are required. Imetelstat, the only telomerase inhibitor that has undergone clinical trials, has demonstrated efficacy in various cancers, but its efficacy in GBM has been limited. Telomerase-targeted therapies in GBM is challenging due to complex hTERT regulation and inadequate inhibitor pharmacokinetics. Our study demonstrates that, despite promising preclinical results, no Telomerase inhibitors have been approved for GBM, and clinical trials have been largely unsuccessful. Future strategies may include Telomerase-based vaccines and multi-target inhibitors, which may provide more effective treatments when combined with a better understanding of telomere dynamics and tumor biology. These treatments have the potential to be integrated with existing ones and to improve the outcomes for patients with GBM.
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Affiliation(s)
- Giovanni Pennisi
- Department of Neurosurgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy; (G.P.); (B.B.); (G.P.G.); (G.M.D.P.); (C.L.S.); (A.O.); (Q.G.D.); (N.M.)
- Department of Neurosurgery, F. Spaziani Hospital, 03100 Frosinone, Italy; (B.L.P.); (G.D.)
| | - Placido Bruzzaniti
- Department of Neurosurgery, F. Spaziani Hospital, 03100 Frosinone, Italy; (B.L.P.); (G.D.)
- Department of Human Neurosciences, Division of Neurosurgery, Policlinico Umberto I University Hospital, Sapienza, University of Rome, 00157 Rome, Italy;
| | - Benedetta Burattini
- Department of Neurosurgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy; (G.P.); (B.B.); (G.P.G.); (G.M.D.P.); (C.L.S.); (A.O.); (Q.G.D.); (N.M.)
| | - Giacomo Piaser Guerrato
- Department of Neurosurgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy; (G.P.); (B.B.); (G.P.G.); (G.M.D.P.); (C.L.S.); (A.O.); (Q.G.D.); (N.M.)
| | - Giuseppe Maria Della Pepa
- Department of Neurosurgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy; (G.P.); (B.B.); (G.P.G.); (G.M.D.P.); (C.L.S.); (A.O.); (Q.G.D.); (N.M.)
| | - Carmelo Lucio Sturiale
- Department of Neurosurgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy; (G.P.); (B.B.); (G.P.G.); (G.M.D.P.); (C.L.S.); (A.O.); (Q.G.D.); (N.M.)
| | | | - Pietro Familiari
- Department of Human Neurosciences, Division of Neurosurgery, Policlinico Umberto I University Hospital, Sapienza, University of Rome, 00157 Rome, Italy;
| | - Biagia La Pira
- Department of Neurosurgery, F. Spaziani Hospital, 03100 Frosinone, Italy; (B.L.P.); (G.D.)
| | - Giancarlo D’Andrea
- Department of Neurosurgery, F. Spaziani Hospital, 03100 Frosinone, Italy; (B.L.P.); (G.D.)
| | - Alessandro Olivi
- Department of Neurosurgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy; (G.P.); (B.B.); (G.P.G.); (G.M.D.P.); (C.L.S.); (A.O.); (Q.G.D.); (N.M.)
| | - Quintino Giorgio D’Alessandris
- Department of Neurosurgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy; (G.P.); (B.B.); (G.P.G.); (G.M.D.P.); (C.L.S.); (A.O.); (Q.G.D.); (N.M.)
| | - Nicola Montano
- Department of Neurosurgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy; (G.P.); (B.B.); (G.P.G.); (G.M.D.P.); (C.L.S.); (A.O.); (Q.G.D.); (N.M.)
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4
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Sanchez Trivino CA, Spelat R, Spada F, D'Angelo C, Manini I, Rolle IG, Ius T, Parisse P, Menini A, Cesselli D, Skrap M, Cesca F, Torre V. Exosomal TNF-α mediates voltage-gated Na+ channel 1.6 overexpression and contributes to brain tumor-induced neuronal hyperexcitability. J Clin Invest 2024; 134:e166271. [PMID: 39088270 PMCID: PMC11405049 DOI: 10.1172/jci166271] [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: 10/17/2022] [Accepted: 07/29/2024] [Indexed: 08/03/2024] Open
Abstract
Patients affected by glioma frequently experience epileptic discharges; however, the causes of brain tumor-related epilepsy (BTRE) are still not completely understood. We investigated the mechanisms underlying BTRE by analyzing the effects of exosomes released by U87 glioma cells and by patient-derived glioma cells. Rat hippocampal neurons incubated for 24 hours with these exosomes exhibited increased spontaneous firing, while their resting membrane potential shifted positively by 10-15 mV. Voltage clamp recordings demonstrated that the activation of the Na+ current shifted toward more hyperpolarized voltages by 10-15 mV. To understand the factors inducing hyperexcitability, we focused on exosomal cytokines. Western blot and ELISAs showed that TNF-α was present inside glioma-derived exosomes. Remarkably, incubation with TNF-α fully mimicked the phenotype induced by exosomes, with neurons firing continuously, while their resting membrane potential shifted positively. Real-time PCR revealed that both exosomes and TNF-α induced overexpression of the voltage-gated Na+ channel Nav1.6, a low-threshold Na+ channel responsible for hyperexcitability. When neurons were preincubated with infliximab, a specific TNF-α inhibitor, the hyperexcitability induced by exosomes and TNF-α was drastically reduced. We propose that infliximab, an FDA-approved drug to treat rheumatoid arthritis, could ameliorate the conditions of glioma patients with BTRE.
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Affiliation(s)
| | - Renza Spelat
- International School for Advanced Studies (SISSA), Trieste, Italy
- Institute of Materials (IOM-CNR), Area Science Park, Basovizza, Trieste, Italy
| | - Federica Spada
- International School for Advanced Studies (SISSA), Trieste, Italy
- Department of Life Sciences, University of Trieste, Trieste, Italy
| | - Camilla D'Angelo
- International School for Advanced Studies (SISSA), Trieste, Italy
| | - Ivana Manini
- Department of Medicine, University of Udine, Udine, Italy
- Institute of Pathology and
| | | | - Tamara Ius
- Neurosurgery Unit, Department of Neurosciences, Santa Maria della Misericordia University Hospital, Udine, Italy
| | - Pietro Parisse
- Institute of Materials (IOM-CNR), Area Science Park, Basovizza, Trieste, Italy
| | - Anna Menini
- International School for Advanced Studies (SISSA), Trieste, Italy
| | - Daniela Cesselli
- Department of Medicine, University of Udine, Udine, Italy
- Institute of Pathology and
| | - Miran Skrap
- Neurosurgery Unit, Department of Neurosciences, Santa Maria della Misericordia University Hospital, Udine, Italy
| | - Fabrizia Cesca
- Department of Life Sciences, University of Trieste, Trieste, Italy
| | - Vincent Torre
- International School for Advanced Studies (SISSA), Trieste, Italy
- Institute of Materials (IOM-CNR), Area Science Park, Basovizza, Trieste, Italy
- BISS GlioGuard Srl, Trieste, Italy
- Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Jiangsu, China
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5
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Jeong HY, Suh WJ, Kim SH, Nam TM, Jang JH, Kim KH, Kim SH, Kim YZ. Clinical Application of the Association between Genetic Alteration and Intraoperative Fluorescence Activity of 5-Aminolevulinic Acid during the Resection of Brain Metastasis of Lung Adenocarcinoma. Cancers (Basel) 2023; 16:88. [PMID: 38201516 PMCID: PMC10778171 DOI: 10.3390/cancers16010088] [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: 12/03/2023] [Revised: 12/14/2023] [Accepted: 12/21/2023] [Indexed: 01/12/2024] Open
Abstract
The primary objective of this study was to investigate the association of certain genetic alterations and intraoperative fluorescent activity of 5-aminolevulinic acid (ALA) in brain metastasis (BM) of lung adenocarcinoma. A retrospective cohort study was conducted among 72 patients who underwent surgical resection of BM of lung adenocarcinoma at our institute for five years. Cancer cell infiltration was estimated by the intraoperative fluorescent activity of 5-ALA, and genetic alterations were analyzed by next-generation sequencing (NGS). The sensitivity and specificity for detecting cancer cell infiltration using 5-ALA were 87.5% and 96.4%, respectively. Genes associated with cell cycle regulation (p = 0.003) and cell proliferation (p = 0.044) were significantly associated with positive fluorescence activity of 5-ALA in the adjacent brain tissue. Genetic alterations in cell cycle regulation and cell proliferation were also associated with shorter recurrence-free survival (p = 0.013 and p = 0.042, respectively) and overall survival (p = 0.026 and p = 0.042, respectively) in the multivariate analysis. The results suggest that genetic alterations in cell cycle regulation and cell proliferation are associated with positive fluorescence activity of 5-ALA in the adjacent infiltrative brain tissue and influence the clinical outcome of BM of lung adenocarcinoma.
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Affiliation(s)
- Hyeon Yeong Jeong
- Division of Cerebrovascular Disease and Department of Neurosurgery, Samsung Changwon Hospital, Sungkyunkwan University of School of Medicine, Changwon 51353, Republic of Korea; (H.Y.J.); (S.H.K.); (T.M.N.); (J.H.J.); (K.H.K.)
| | - Won Jun Suh
- Department of Medicine, Sungkyunkwan University of School of Medicine, Suwon 16419, Republic of Korea;
| | - Seung Hwan Kim
- Division of Cerebrovascular Disease and Department of Neurosurgery, Samsung Changwon Hospital, Sungkyunkwan University of School of Medicine, Changwon 51353, Republic of Korea; (H.Y.J.); (S.H.K.); (T.M.N.); (J.H.J.); (K.H.K.)
| | - Taek Min Nam
- Division of Cerebrovascular Disease and Department of Neurosurgery, Samsung Changwon Hospital, Sungkyunkwan University of School of Medicine, Changwon 51353, Republic of Korea; (H.Y.J.); (S.H.K.); (T.M.N.); (J.H.J.); (K.H.K.)
| | - Ji Hwan Jang
- Division of Cerebrovascular Disease and Department of Neurosurgery, Samsung Changwon Hospital, Sungkyunkwan University of School of Medicine, Changwon 51353, Republic of Korea; (H.Y.J.); (S.H.K.); (T.M.N.); (J.H.J.); (K.H.K.)
| | - Kyu Hong Kim
- Division of Cerebrovascular Disease and Department of Neurosurgery, Samsung Changwon Hospital, Sungkyunkwan University of School of Medicine, Changwon 51353, Republic of Korea; (H.Y.J.); (S.H.K.); (T.M.N.); (J.H.J.); (K.H.K.)
| | - Seok Hyun Kim
- Division of Hematology and Medical Oncology, Department of Internal Medicine, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon 51353, Republic of Korea;
| | - Young Zoon Kim
- Division of Neuro-Oncology and Department of Neurosurgery, Samsung Changwon Hospital, Sungkyunkwan University of School of Medicine, Changwon 51353, Republic of Korea
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6
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Lam MS, Aw JJ, Tan D, Vijayakumar R, Lim HYG, Yada S, Pang QY, Barker N, Tang C, Ang BT, Sobota RM, Pavesi A. Unveiling the Influence of Tumor Microenvironment and Spatial Heterogeneity on Temozolomide Resistance in Glioblastoma Using an Advanced Human In Vitro Model of the Blood-Brain Barrier and Glioblastoma. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2302280. [PMID: 37649234 DOI: 10.1002/smll.202302280] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 06/26/2023] [Indexed: 09/01/2023]
Abstract
Glioblastoma (GBM) is the most common primary malignant brain cancer in adults with a dismal prognosis. Temozolomide (TMZ) is the first-in-line chemotherapeutic; however, resistance is frequent and multifactorial. While many molecular and genetic factors have been linked to TMZ resistance, the role of the solid tumor morphology and the tumor microenvironment, particularly the blood-brain barrier (BBB), is unknown. Here, the authors investigate these using a complex in vitro model for GBM and its surrounding BBB. The model recapitulates important clinical features such as a dense tumor core with tumor cells that invade along the perivascular space; and a perfusable BBB with a physiological permeability and morphology that is altered in the presence of a tumor spheroid. It is demonstrated that TMZ sensitivity decreases with increasing cancer cell spatial organization, and that the BBB can contribute to TMZ resistance. Proteomic analysis with next-generation low volume sample workflows of these cultured microtissues revealed potential clinically relevant proteins involved in tumor aggressiveness and TMZ resistance, demonstrating the utility of complex in vitro models for interrogating the tumor microenvironment and therapy validation.
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Affiliation(s)
- Maxine Sy Lam
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Singapore, 138673, Singapore
- Functional Proteomics Laboratory, SingMass National Laboratory, Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A∗STAR), 61 Biopolis Drive, Singapore, 138673, Singapore
| | - Joey Jy Aw
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Singapore, 138673, Singapore
| | - Damien Tan
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Singapore, 138673, Singapore
| | - Ragavi Vijayakumar
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Singapore, 138673, Singapore
| | - Hui Yi Grace Lim
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Singapore, 138673, Singapore
| | - Swathi Yada
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Singapore, 138673, Singapore
| | - Qing You Pang
- Neuro-Oncology Research Laboratory, Department of Research, National Neuroscience Institute, Singapore, 308433, Singapore
| | - Nick Barker
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Singapore, 138673, Singapore
| | - Carol Tang
- Neuro-Oncology Research Laboratory, Department of Research, National Neuroscience Institute, Singapore, 308433, Singapore
- Duke-National University of Singapore Medical School, Singapore, 169857, Singapore
- School of Biological Sciences, Nanyang Technological University, Singapore, 637551, Singapore
| | - Beng Ti Ang
- Duke-National University of Singapore Medical School, Singapore, 169857, Singapore
- Department of Neurosurgery, National Neuroscience Institute, Singapore, 308433, Singapore
| | - Radoslaw M Sobota
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Singapore, 138673, Singapore
- Functional Proteomics Laboratory, SingMass National Laboratory, Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A∗STAR), 61 Biopolis Drive, Singapore, 138673, Singapore
| | - Andrea Pavesi
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Singapore, 138673, Singapore
- Mechanobiology Institute, National University of Singapore, Singapore, 117411, Singapore
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7
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Ghantasala S, Bhat A, Epari S, Moiyadi A, Srivastava S. High-Grade Gliomas from Subventricular Zone: Proteomic Drivers of Aggressiveness Using Fluorescence-Guided Multiple Sampling. OMICS : A JOURNAL OF INTEGRATIVE BIOLOGY 2023; 27:598-606. [PMID: 38055199 DOI: 10.1089/omi.2023.0124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
Abstract
High-grade gliomas (HGGs) are among the most aggressive brain tumors and are characterized by dismally low median survival time. Of the many factors influencing the survival of patients with HGGs, proximity to the subventricular zone (SVZ) is one of the key influencers. In this context, 5-amino levulinic acid fluorescence-guided multiple sampling (FGMS) offers the prospect of understanding patient-to-patient molecular heterogeneity driving the aggressiveness of these tumors. Using high-resolution liquid chromatography-mass spectrometry (MS)/MS proteomics for HGGs from seven patients (four SVZ associated and three SVZ nonassociated), this study aimed to uncover the mechanisms driving the aggressiveness in SVZ-associated (SVZ+) HGGs. Differential proteomics analysis revealed significant dysregulation of 11 proteins, of which 9 proteins were upregulated and 2 were downregulated in SVZ+ HGGs compared to SVZ-non-associated (SVZ-) HGGs. The gene set enrichment analysis (GSEA) of the proteomics dataset revealed enrichment of MYC targets V1 and V2, G2M checkpoints, and E2F targets in SVZ+ HGGs. With GSEA, we also compared the pathways enriched in glioma stem cell subpopulations and observed a similar expression trend for most pathways in our data. In conclusion, this study reveals new and emerging insights on pathways that may potentially contribute to greater aggressiveness in SVZ+ HGGs. Future studies using FGMS in larger cohorts are recommended to help uncover the proteomics and molecular basis of aggressiveness and stemness in HGGs.
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Affiliation(s)
- Saicharan Ghantasala
- Centre for Research in Nano Technology and Science, Indian Institute of Technology Bombay, Powai, India
| | - Amruth Bhat
- Department of Bioengineering, Indian Institute of Science, Bengaluru, India
| | - Sridhar Epari
- Department of Pathology, Tata Memorial Centre's-Advanced Centre for Treatment, Research and Education in Cancer, Navi Mumbai, India
- Homi Bhabha National Institute, Mumbai, India
| | - Aliasgar Moiyadi
- Homi Bhabha National Institute, Mumbai, India
- Department of Neurosurgery, Tata Memorial Centre's-Advanced Centre for Treatment, Research and Education in Cancer, Navi Mumbai, India
| | - Sanjeeva Srivastava
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, India
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8
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Aliar K, Waterhouse HR, Vyas F, Krebs N, Zhang B, Poulton E, Chan N, Gonzalez R, Jang GH, Bronsert P, Fischer SE, Gallinger S, Grünwald BT, Khokha R. Hourglass, a rapid analysis framework for heterogeneous bioimaging data, identifies sex disparity in IL-6/STAT3-associated immune phenotypes in pancreatic cancer. J Pathol 2023; 261:413-426. [PMID: 37768107 DOI: 10.1002/path.6199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 07/06/2023] [Accepted: 08/11/2023] [Indexed: 09/29/2023]
Abstract
Integration and mining of bioimaging data remains a challenge and lags behind the rapidly expanding digital pathology field. We introduce Hourglass, an open-access analytical framework that streamlines biology-driven visualization, interrogation, and statistical assessment of multiparametric datasets. Cognizant of tissue and clinical heterogeneity, Hourglass systematically organizes observations across spatial and global levels and within patient subgroups. Applied to an extensive bioimaging dataset, Hourglass promptly consolidated a breadth of known interleukin-6 (IL-6) functions via its downstream effector STAT3 and uncovered a so-far unknown sexual dimorphism in the IL-6/STAT3-linked intratumoral T-cell response in human pancreatic cancer. As an R package and cross-platform application, Hourglass facilitates knowledge extraction from multi-layered bioimaging datasets for users with or without computational proficiency and provides unique and widely accessible analytical means to harness insights hidden within heterogeneous tissues at the sample and patient level. © 2023 The Authors. The Journal of Pathology published by John Wiley & Sons Ltd on behalf of The Pathological Society of Great Britain and Ireland.
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Affiliation(s)
- Kazeera Aliar
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada
| | - Henry R Waterhouse
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada
| | - Foram Vyas
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada
| | - Niklas Krebs
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada
- Department of Gastroenterology, Gastrointestinal Oncology and Endocrinology, University Medical Center Göttingen, Göttingen, Germany
| | - Bowen Zhang
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada
| | - Emily Poulton
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada
| | - Nathan Chan
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada
| | - Ricardo Gonzalez
- Department of Laboratory Medicine and Pathology, Division of Computational Pathology and Artificial Intelligence, Mayo Clinic, Rochester, MN, USA
| | - Gun Ho Jang
- PanCuRx Translational Research Initiative, Ontario Institute for Cancer Research, Toronto, ON, Canada
| | - Peter Bronsert
- Institute for Surgical Pathology, Medical Center - University of Freiburg, Freiburg, Germany
| | - Sandra E Fischer
- Department of Laboratory Medicine and Pathobiology, University of Toronto, University Health Network, Toronto, ON, Canada
- Division of Anatomic Pathology, Laboratory Medicine Program, University Health Network, Toronto, ON, Canada
| | - Steven Gallinger
- PanCuRx Translational Research Initiative, Ontario Institute for Cancer Research, Toronto, ON, Canada
- Department of Surgery, University of Toronto, Toronto, ON, Canada
- Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, ON, Canada
- Hepatobiliary/Pancreatic Surgical Oncology Program, University Health Network, Toronto, ON, Canada
| | - Barbara T Grünwald
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada
| | - Rama Khokha
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada
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9
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García-Montaño LA, Licón-Muñoz Y, Martinez FJ, Keddari YR, Ziemke MK, Chohan MO, Piccirillo SG. Dissecting Intra-tumor Heterogeneity in the Glioblastoma Microenvironment Using Fluorescence-Guided Multiple Sampling. Mol Cancer Res 2023; 21:755-767. [PMID: 37255362 PMCID: PMC10390891 DOI: 10.1158/1541-7786.mcr-23-0048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 03/25/2023] [Accepted: 05/05/2023] [Indexed: 05/10/2023]
Abstract
The treatment of the most aggressive primary brain tumor in adults, glioblastoma (GBM), is challenging due to its heterogeneous nature, invasive potential, and poor response to chemo- and radiotherapy. As a result, GBM inevitably recurs and only a few patients survive 5 years post-diagnosis. GBM is characterized by extensive phenotypic and genetic heterogeneity, creating a diversified genetic landscape and a network of biological interactions between subclones, ultimately promoting tumor growth and therapeutic resistance. This includes spatial and temporal changes in the tumor microenvironment, which influence cellular and molecular programs in GBM and therapeutic responses. However, dissecting phenotypic and genetic heterogeneity at spatial and temporal levels is extremely challenging, and the dynamics of the GBM microenvironment cannot be captured by analysis of a single tumor sample. In this review, we discuss the current research on GBM heterogeneity, in particular, the utility and potential applications of fluorescence-guided multiple sampling to dissect phenotypic and genetic intra-tumor heterogeneity in the GBM microenvironment, identify tumor and non-tumor cell interactions and novel therapeutic targets in areas that are key for tumor growth and recurrence, and improve the molecular classification of GBM.
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Affiliation(s)
- Leopoldo A. García-Montaño
- The Brain Tumor Translational Laboratory, Department of Cell Biology and Physiology, University of New Mexico Health Sciences Center, Albuquerque, New Mexico
- University of New Mexico Comprehensive Cancer Center, Albuquerque, New Mexico
| | - Yamhilette Licón-Muñoz
- The Brain Tumor Translational Laboratory, Department of Cell Biology and Physiology, University of New Mexico Health Sciences Center, Albuquerque, New Mexico
- University of New Mexico Comprehensive Cancer Center, Albuquerque, New Mexico
| | - Frank J. Martinez
- The Brain Tumor Translational Laboratory, Department of Cell Biology and Physiology, University of New Mexico Health Sciences Center, Albuquerque, New Mexico
- University of New Mexico Comprehensive Cancer Center, Albuquerque, New Mexico
| | - Yasine R. Keddari
- The Brain Tumor Translational Laboratory, Department of Cell Biology and Physiology, University of New Mexico Health Sciences Center, Albuquerque, New Mexico
- University of California, Merced, California
| | - Michael K. Ziemke
- Department of Neurosurgery, University of Mississippi Medical Center, Jackson, Mississippi
| | - Muhammad O. Chohan
- Department of Neurosurgery, University of Mississippi Medical Center, Jackson, Mississippi
| | - Sara G.M. Piccirillo
- The Brain Tumor Translational Laboratory, Department of Cell Biology and Physiology, University of New Mexico Health Sciences Center, Albuquerque, New Mexico
- University of New Mexico Comprehensive Cancer Center, Albuquerque, New Mexico
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10
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Ius T, Sabatino G, Panciani PP, Fontanella MM, Rudà R, Castellano A, Barbagallo GMV, Belotti F, Boccaletti R, Catapano G, Costantino G, Della Puppa A, Di Meco F, Gagliardi F, Garbossa D, Germanò AF, Iacoangeli M, Mortini P, Olivi A, Pessina F, Pignotti F, Pinna G, Raco A, Sala F, Signorelli F, Sarubbo S, Skrap M, Spena G, Somma T, Sturiale C, Angileri FF, Esposito V. Surgical management of Glioma Grade 4: technical update from the neuro-oncology section of the Italian Society of Neurosurgery (SINch®): a systematic review. J Neurooncol 2023; 162:267-293. [PMID: 36961622 PMCID: PMC10167129 DOI: 10.1007/s11060-023-04274-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 02/20/2023] [Indexed: 03/25/2023]
Abstract
PURPOSE The extent of resection (EOR) is an independent prognostic factor for overall survival (OS) in adult patients with Glioma Grade 4 (GG4). The aim of the neuro-oncology section of the Italian Society of Neurosurgery (SINch®) was to provide a general overview of the current trends and technical tools to reach this goal. METHODS A systematic review was performed. The results were divided and ordered, by an expert team of surgeons, to assess the Class of Evidence (CE) and Strength of Recommendation (SR) of perioperative drugs management, imaging, surgery, intraoperative imaging, estimation of EOR, surgery at tumor progression and surgery in elderly patients. RESULTS A total of 352 studies were identified, including 299 retrospective studies and 53 reviews/meta-analysis. The use of Dexamethasone and the avoidance of prophylaxis with anti-seizure medications reached a CE I and SR A. A preoperative imaging standard protocol was defined with CE II and SR B and usefulness of an early postoperative MRI, with CE II and SR B. The EOR was defined the strongest independent risk factor for both OS and tumor recurrence with CE II and SR B. For intraoperative imaging only the use of 5-ALA reached a CE II and SR B. The estimation of EOR was established to be fundamental in planning postoperative adjuvant treatments with CE II and SR B and the stereotactic image-guided brain biopsy to be the procedure of choice when an extensive surgical resection is not feasible (CE II and SR B). CONCLUSIONS A growing number of evidences evidence support the role of maximal safe resection as primary OS predictor in GG4 patients. The ongoing development of intraoperative techniques for a precise real-time identification of peritumoral functional pathways enables surgeons to maximize EOR minimizing the post-operative morbidity.
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Affiliation(s)
- Tamara Ius
- Division of Neurosurgery, Head-Neck and NeuroScience Department, University Hospital of Udine, Udine, Italy
| | - Giovanni Sabatino
- Institute of Neurosurgery, Fondazione Policlinico Gemelli, Catholic University, Rome, Italy
- Unit of Neurosurgery, Mater Olbia Hospital, Olbia, Italy
| | - Pier Paolo Panciani
- Division of Neurosurgery, Department of Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, Brescia, Italy.
| | - Marco Maria Fontanella
- Department of Neuro-Oncology, University of Turin and City of Health and Science Hospital, 10094, Torino, Italy
| | - Roberta Rudà
- Department of Neuro-Oncology, University of Turin and City of Health and Science Hospital, 10094, Torino, Italy
- Neurology Unit, Hospital of Castelfranco Veneto, 31033, Castelfranco Veneto, Italy
| | - Antonella Castellano
- Department of Neuroradiology, San Raffaele Scientific Institute, Vita-Salute University, Milan, Italy
| | - Giuseppe Maria Vincenzo Barbagallo
- Department of Medical and Surgical Sciences and Advanced Technologies (G.F. Ingrassia), Neurological Surgery, Policlinico "G. Rodolico - San Marco" University Hospital, University of Catania, Catania, Italy
- Interdisciplinary Research Center On Brain Tumors Diagnosis and Treatment, University of Catania, Catania, Italy
| | - Francesco Belotti
- Division of Neurosurgery, Department of Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, Brescia, Italy
| | | | - Giuseppe Catapano
- Division of Neurosurgery, Department of Neurological Sciences, Ospedale del Mare, Naples, Italy
| | | | - Alessandro Della Puppa
- Neurosurgical Clinical Department of Neuroscience, Psychology, Pharmacology and Child Health, Careggi Hospital, University of Florence, Florence, Italy
| | - Francesco Di Meco
- Department of Neurosurgery, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
- Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy
- Johns Hopkins Medical School, Baltimore, MD, USA
| | - Filippo Gagliardi
- Department of Neurosurgery and Gamma Knife Radiosurgery, San Raffaele Scientific Institute, Vita-Salute University, Milan, Italy
| | - Diego Garbossa
- Department of Neuroscience "Rita Levi Montalcini," Neurosurgery Unit, University of Turin, Torino, Italy
| | | | - Maurizio Iacoangeli
- Department of Neurosurgery, Università Politecnica Delle Marche, Azienda Ospedali Riuniti, Ancona, Italy
| | - Pietro Mortini
- Department of Neurosurgery and Gamma Knife Radiosurgery, San Raffaele Scientific Institute, Vita-Salute University, Milan, Italy
| | | | - Federico Pessina
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, 20090, Milan, Italy
- Neurosurgery Department, IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089, Milan, Italy
| | - Fabrizio Pignotti
- Institute of Neurosurgery, Fondazione Policlinico Gemelli, Catholic University, Rome, Italy
- Unit of Neurosurgery, Mater Olbia Hospital, Olbia, Italy
| | - Giampietro Pinna
- Unit of Neurosurgery, Department of Neurosciences, Hospital Trust of Verona, 37134, Verona, Italy
| | - Antonino Raco
- Division of Neurosurgery, Department of NESMOS, AOU Sant'Andrea, Sapienza University, Rome, Italy
| | - Francesco Sala
- Department of Neurosciences, Biomedicines and Movement Sciences, Institute of Neurosurgery, University of Verona, 37134, Verona, Italy
| | - Francesco Signorelli
- Department of Basic Medical Sciences, Neuroscience and Sense Organs, Neurosurgery Unit, University "Aldo Moro", 70124, Bari, Italy
| | - Silvio Sarubbo
- Department of Neurosurgery, Santa Chiara Hospital, Azienda Provinciale Per I Servizi Sanitari (APSS), Trento, Italy
| | - Miran Skrap
- Division of Neurosurgery, Head-Neck and NeuroScience Department, University Hospital of Udine, Udine, Italy
| | | | - Teresa Somma
- Division of Neurosurgery, Department of Neurosciences, Reproductive and Odontostomatological Sciences, Università Degli Studi Di Napoli Federico II, Naples, Italy
| | | | | | - Vincenzo Esposito
- Department of Neurosurgery "Giampaolo Cantore"-IRCSS Neuromed, Pozzilli, Italy
- Department of Human, Neurosciences-"Sapienza" University of Rome, Rome, Italy
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11
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Technical Pearls to Effectively Use 5-ALA in Fluorescence-Guided Tumor Resection—5 Lessons from the Operating Room. Brain Sci 2023; 13:brainsci13030411. [PMID: 36979221 PMCID: PMC10046403 DOI: 10.3390/brainsci13030411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 02/16/2023] [Accepted: 02/26/2023] [Indexed: 03/03/2023] Open
Abstract
Background: Since its introduction in 2007 in Europe and in 2017 in the United States, 5-ALA has demonstrated an undisputed advantage in providing real-time tumor visualization. The aim of the present paper is to summarize our institutional experience over a decade of routine 5-ALA-guided procedures in order to provide five surgical tricks to ease surgical workflow. Methods: Data were collected from 822 patients diagnosed with histopathologically confirmed high-grade gliomas (HGG)—according to the WHO 2021 criteria—who underwent surgery at the Fondazione Policlinico Universitario Agostino Gemelli between January 2012 and January 2022. Results: From our large institutional experience, the learned technical pearls were grouped in five distinct domains: 1. Analysis of visualization, overall workflow, and technical recommendations to improve intraoperative set-up; 2. Techniques to reduce the risk of inadvertent residuals and failure to evocate fluorescence; 3. Analysis of specific surgical conditions favoring remnants; 4. Assessment of different degrees of fluorescence and their surgical meaning; 5. Analysis of false positive cases. Conclusions: With all the limitations of a qualitative and retrospective analysis, this paper was specifically conceived as a vademecum for educational purposes to promote and maximize 5-ALA employment.
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12
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Bonosi L, Marrone S, Benigno UE, Buscemi F, Musso S, Porzio M, Silven MP, Torregrossa F, Grasso G. Maximal Safe Resection in Glioblastoma Surgery: A Systematic Review of Advanced Intraoperative Image-Guided Techniques. Brain Sci 2023; 13:brainsci13020216. [PMID: 36831759 PMCID: PMC9954589 DOI: 10.3390/brainsci13020216] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 01/15/2023] [Accepted: 01/24/2023] [Indexed: 01/31/2023] Open
Abstract
Glioblastoma multiforme (GBM) represents the most common and aggressive central nervous system tumor associated with a poor prognosis. The aim of this study was to depict the role of intraoperative imaging techniques in GBM surgery and how they can ensure the maximal extent of resection (EOR) while preserving the functional outcome. The authors conducted a systematic review following PRISMA guidelines on the PubMed/Medline and Scopus databases. A total of 1747 articles were identified for screening. Studies focusing on GBM-affected patients, and evaluations of EOR and functional outcomes with the aid of advanced image-guided techniques were included. The resulting studies were assessed for methodological quality using the Risk of Bias in Systematic Review tool. Open Science Framework registration DOI 10.17605/OSF.IO/3FDP9. Eighteen studies were eligible for this systematic review. Among the selected studies, eight analyzed Sodium Fluorescein, three analyzed 5-aminolevulinic acid, two evaluated IoMRI imaging, two evaluated IoUS, and three evaluated multiple intraoperative imaging techniques. A total of 1312 patients were assessed. Gross Total Resection was achieved in the 78.6% of the cases. Follow-up time ranged from 1 to 52 months. All studies assessed the functional outcome based on the Karnofsky Performance Status scale, while one used the Neurologic Assessment in Neuro-Oncology score. In 77.7% of the cases, the functional outcome improved or was stable over the pre-operative assessment. Combining multiple intraoperative imaging techniques could provide better results in GBM surgery than a single technique. However, despite good surgical outcomes, patients often present a neurocognitive decline leading to a marked deterioration of the quality of life. Advanced intraoperative image-guided techniques can allow a better understanding of the anatomo-functional relationships between the tumor and the surrounding brain, thus maximizing the EOR while preserving functional outcomes.
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13
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Kim Y, Danaher P, Cimino PJ, Hurth K, Warren S, Glod J, Beechem JM, Zada G, McEachron TA. Highly Multiplexed Spatially Resolved Proteomic and Transcriptional Profiling of the Glioblastoma Microenvironment Using Archived Formalin-Fixed Paraffin-Embedded Specimens. Mod Pathol 2023; 36:100034. [PMID: 36788070 PMCID: PMC9937641 DOI: 10.1016/j.modpat.2022.100034] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 09/16/2022] [Accepted: 09/22/2022] [Indexed: 01/19/2023]
Abstract
Glioblastoma is a heterogeneous tumor for which effective treatment options are limited and often insufficient. Few studies have examined the intratumoral transcriptional and proteomic heterogeneity of the glioblastoma microenvironment to characterize the spatial distribution of potential molecular and cellular therapeutic immunooncology targets. We applied an integrated multimodal approach comprised of NanoString GeoMx Digital Spatial Profiling, single-cell RNA-seq (scRNA-seq), and expert neuropathologic assessment to characterize archival formalin-fixed paraffin-embedded glioblastoma specimens. Clustering analysis and spatial cluster maps highlighted the intratumoral heterogeneity of each specimen. Mixed cell deconvolution analysis revealed that neoplastic and vascular cells were the prominent cell types throughout each specimen, with macrophages, oligodendrocyte precursors, neurons, astrocytes, and oligodendrocytes present in lower abundance and illustrated the regional distribution of the respective cellular enrichment scores. The spatial resolution of the actionable immunotherapeutic landscape showed that robust B7H3 gene and protein expression was broadly distributed throughout each specimen and identified STING and VISTA as potential targets. Lastly, we uncovered remarkable variability in VEGFA expression and discovered unanticipated associations between VEGFA, endothelial cell markers, hypoxia, and the expression of immunoregulatory genes, indicative of regionally distinct immunosuppressive microdomains. This work provides an early demonstration of the ability of an integrated panel-based spatial biology approach to characterize and quantify the intrinsic molecular heterogeneity of the glioblastoma microenvironment.
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Affiliation(s)
- Youngmi Kim
- NanoString Technologies, Seattle, Washington
| | | | - Patrick J Cimino
- Department of Laboratory Medicine and Pathology, Division of Neuropathology, University of Washington, Seattle, Washington; Surgical Neurology Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland
| | - Kyle Hurth
- Department of Pathology, Keck School of Medicine, University of Southern California, Los Angeles, California
| | | | - John Glod
- Pediatric Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | | | - Gabriel Zada
- Department of Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, California
| | - Troy A McEachron
- Pediatric Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland.
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14
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Drongitis D, Verrillo L, De Marinis P, Orabona P, Caiola A, Turitto G, Alfieri A, Bruscella S, Gentile M, Moriello V, Sannino E, Di Muccio I, Costa V, Miano MG, de Bellis A. The Chromatin-Oxygen Sensor Gene KDM5C Associates with Novel Hypoxia-Related Signatures in Glioblastoma Multiforme. Int J Mol Sci 2022; 23:ijms231810250. [PMID: 36142158 PMCID: PMC9498997 DOI: 10.3390/ijms231810250] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 08/26/2022] [Accepted: 08/31/2022] [Indexed: 11/22/2022] Open
Abstract
Glioblastoma multiforme (GBM) is a fatal brain tumor without effective drug treatment. In this study, we highlight, for the first time, the contribution of chromatin remodeling gene Lysine (K)-specific demethylase 5C (KDM5C) in GBM via an extensive analysis of clinical, expression, and functional data, integrated with publicly available omic datasets. The expression analysis on GBM samples (N = 37) revealed two informative subtypes, namely KDM5CHigh and KDM5CLow, displaying higher/lower KDM5C levels compared to the controls. The former subtype displays a strong downregulation of brain-derived neurotrophic factor (BDNF)—a negative KDM5C target—and a robust overexpression of hypoxia-inducible transcription factor-1A (HIF1A) gene, a KDM5C modulator. Additionally, a significant co-expression among the prognostic markers HIF1A, Survivin, and p75 was observed. These results, corroborated by KDM5C overexpression and hypoxia-related functional assays in T98G cells, suggest a role for the HIF1A-KDM5C axis in the hypoxic response in this tumor. Interestingly, fluorescence-guided surgery on GBM sections further revealed higher KDM5C and HIF1A levels in the tumor rim niche compared to the adjacent tumor margin, indicating a regionally restricted hyperactivity of this regulatory axis. Analyzing the TCGA expression and methylation data, we found methylation changes between the subtypes in the genes, accounting for the hypoxia response, stem cell differentiation, and inflammation. High NANOG and IL6 levels highlight a distinctive stem cell-like and proinflammatory signature in the KDM5CHigh subgroup and GBM niches. Taken together, our results indicate HIF1A-KDM5C as a new, relevant cancer axis in GBM, opening a new, interesting field of investigation based on KDM5C as a potential therapeutic target of the hypoxic microenvironment in GBM.
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Affiliation(s)
- Denise Drongitis
- Institute of Genetics and Biophysics Adriano Buzzati-Traverso, CNR, 80131 Naples, Italy
- Maria Rosaria Maglione Foundation Onlus, 80122 Naples, Italy
| | - Lucia Verrillo
- Institute of Genetics and Biophysics Adriano Buzzati-Traverso, CNR, 80131 Naples, Italy
| | - Pasqualino De Marinis
- A.O.R.N. S. Anna and S. Sebastiano Hospital, Division of Neurosurgery, 81100 Caserta, Italy
| | - Pasquale Orabona
- A.O.R.N. S. Anna and S. Sebastiano Hospital, Division of Pathology, 81100 Caserta, Italy
| | - Agnese Caiola
- A.O.R.N. S. Anna and S. Sebastiano Hospital, Division of Pathology, 81100 Caserta, Italy
| | - Giacinto Turitto
- A.O.R.N. S. Anna and S. Sebastiano Hospital, Division of Oncology, 81100 Caserta, Italy
| | - Alessandra Alfieri
- A.O.R.N. S. Anna and S. Sebastiano Hospital, Division of Neurosurgery, 81100 Caserta, Italy
| | - Sara Bruscella
- A.O.R.N. S. Anna and S. Sebastiano Hospital, Division of Neurosurgery, 81100 Caserta, Italy
| | - Marisa Gentile
- A.O.R.N. S. Anna and S. Sebastiano Hospital, Division of Neurosurgery, 81100 Caserta, Italy
| | - Vania Moriello
- A.O.R.N. S. Anna and S. Sebastiano Hospital, Division of Neurosurgery, 81100 Caserta, Italy
| | - Ettore Sannino
- A.O.R.N. S. Anna and S. Sebastiano Hospital, Division of Neurosurgery, 81100 Caserta, Italy
| | - Ines Di Muccio
- A.O.R.N. S. Anna and S. Sebastiano Hospital, Division of Neurosurgery, 81100 Caserta, Italy
| | - Valerio Costa
- Institute of Genetics and Biophysics Adriano Buzzati-Traverso, CNR, 80131 Naples, Italy
| | - Maria Giuseppina Miano
- Institute of Genetics and Biophysics Adriano Buzzati-Traverso, CNR, 80131 Naples, Italy
- Correspondence: (M.G.M.); (A.d.B.)
| | - Alberto de Bellis
- Maria Rosaria Maglione Foundation Onlus, 80122 Naples, Italy
- A.O.R.N. S. Anna and S. Sebastiano Hospital, Division of Neurosurgery, 81100 Caserta, Italy
- Correspondence: (M.G.M.); (A.d.B.)
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15
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Li G, Rodrigues A, Kim L, Garcia C, Jain S, Zhang M, Hayden-Gephart M. 5-Aminolevulinic Acid Imaging of Malignant Glioma. Surg Oncol Clin N Am 2022; 31:581-593. [DOI: 10.1016/j.soc.2022.06.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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16
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Identification of a Prognostic Microenvironment-Related Gene Signature in Glioblastoma Patients Treated with Carmustine Wafers. Cancers (Basel) 2022; 14:cancers14143413. [PMID: 35884475 PMCID: PMC9320240 DOI: 10.3390/cancers14143413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 07/11/2022] [Accepted: 07/12/2022] [Indexed: 11/17/2022] Open
Abstract
Despite the state-of-the-art treatment, patients diagnosed with glioblastoma (GBM) have a median overall survival (OS) of 14 months. The insertion of carmustine wafers (CWs) into the resection cavity as adjuvant treatment represents a promising option, although its use has been limited due to contrasting clinical results. Our retrospective evaluation of CW efficacy showed a significant improvement in terms of OS in a subgroup of patients. Given the crucial role of the tumor microenvironment (TME) in GBM progression and response to therapy, we hypothesized that the TME of patients who benefited from CW could have different properties compared to that of patients who did not show any advantage. Using an in vitro model of the glioma microenvironment, represented by glioma-associated-stem cells (GASC), we performed a transcriptomic analysis of GASC isolated from tumors of patients responsive and not responsive to CW to identify differentially expressed genes. We found different transcriptomic profiles, and we identified four genes, specifically down-regulated in GASC isolated from long-term survivors, correlated with clinical data deposited in the TCGA–GBM dataset. Our results highlight that studying the in vitro properties of patient-specific glioma microenvironments can help to identify molecular determinants potentially prognostic for patients treated with CW.
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17
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Adjei‐Sowah EA, O'Connor SA, Veldhuizen J, Lo Cascio C, Plaisier C, Mehta S, Nikkhah M. Investigating the Interactions of Glioma Stem Cells in the Perivascular Niche at Single-Cell Resolution using a Microfluidic Tumor Microenvironment Model. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2201436. [PMID: 35619544 PMCID: PMC9313491 DOI: 10.1002/advs.202201436] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 04/25/2022] [Indexed: 05/03/2023]
Abstract
The perivascular niche (PVN) is a glioblastoma tumor microenvironment (TME) that serves as a safe haven for glioma stem cells (GSCs), and acts as a reservoir that inevitably leads to tumor recurrence. Understanding cellular interactions in the PVN that drive GSC treatment resistance and stemness is crucial to develop lasting therapies for glioblastoma. The limitations of in vivo models and in vitro assays have led to critical knowledge gaps regarding the influence of various cell types in the PVN on GSCs behavior. This study developed an organotypic triculture microfluidic model as a means to recapitulate the PVN and study its impact on GSCs. This triculture platform, comprised of endothelial cells (ECs), astrocytes, and GSCs, is used to investigate GSC invasion, proliferation and stemness. Both ECs and astrocytes significantly increased invasiveness of GSCs. This study futher identified 15 ligand-receptor pairs using single-cell RNAseq with putative chemotactic mechanisms of GSCs, where the receptor is up-regulated in GSCs and the diffusible ligand is expressed in either astrocytes or ECs. Notably, the ligand-receptor pair SAA1-FPR1 is demonstrated to be involved in chemotactic invasion of GSCs toward PVN. The novel triculture platform presented herein can be used for therapeutic development and discovery of molecular mechanisms driving GSC biology.
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Affiliation(s)
| | - Samantha A. O'Connor
- School of Biological and Health Systems EngineeringArizona State UniversityTempeAZ85287‐9709USA
| | - Jaimeson Veldhuizen
- School of Biological and Health Systems EngineeringArizona State UniversityTempeAZ85287‐9709USA
| | - Costanza Lo Cascio
- Ivy Brain Tumor Center, Barrow Neurological InstituteSt. Joseph's Hospital and Medical Center350 W Thomas RdPhoenixAZ85013USA
| | - Christopher Plaisier
- School of Biological and Health Systems EngineeringArizona State UniversityTempeAZ85287‐9709USA
| | - Shwetal Mehta
- Ivy Brain Tumor Center, Barrow Neurological InstituteSt. Joseph's Hospital and Medical Center350 W Thomas RdPhoenixAZ85013USA
| | - Mehdi Nikkhah
- School of Biological and Health Systems EngineeringArizona State UniversityTempeAZ85287‐9709USA
- Virginia G. Piper Biodesign Center for Personalized DiagnosticsArizona State UniversityTempeAZ85287‐9709USA
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18
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Ricciardi L, Manini I, Cesselli D, Trungu S, Piazza A, Mangraviti A, Miscusi M, Raco A, Ius T. Carmustine Wafers Implantation in Patients With Newly Diagnosed High Grade Glioma: Is It Still an Option? Front Neurol 2022; 13:884158. [PMID: 35812101 PMCID: PMC9259966 DOI: 10.3389/fneur.2022.884158] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 05/17/2022] [Indexed: 12/11/2022] Open
Abstract
BackgroundThe implantation protocol for Carmustine Wafers (CWs) in high grade glioma (HGG) was developed to offer a bridge between surgical resection and adjuvant treatments, such as radio- and chemotherapy. In the last years, however, a widespread use of CWs has been limited due to uncertainties regarding efficacy, in addition to increased risk of infection and elevated costs of treatment.ObjectiveThe aims of our study were to investigate the epidemiology of patients that underwent surgery for HGG with CW implantation, in addition to the assessment of related complications, long-term overall survival (OS), and associated prognostic factors.MethodsThree different medical databases were screened for conducting a systematic review of the literature, according to the PRISMA statement guidelines, evaluating the role of BCNU wafer implantation in patients with newly diagnosed HGG. The search query was based on a combination of medical subject headings (MeSH): “high grade glioma” [MeSH] AND “Carmustine” [MeSH] and free text terms: “surgery” OR “BCNU wafer” OR “Gliadel” OR “systemic treatment options” OR “overall survival.”ResultsThe analysis of the meta-data demonstrated that there was a significant advantage in using CWs in newly diagnosed GBM in terms of OS, and a very low heterogeneity among the included studies [mean difference 2.64 (95% CI 0.85, 4.44); p = 0.004; I2149 = 0%]. Conversely, no significant difference between the two treatment groups in terms of PFS wad detected (p = 0.55). The analysis of complications showed a relatively higher rate in Carmustine implanted patients, although this difference was not significant (p = 0.53).ConclusionsThis meta-analysis seems to suggest that CWs implantation plays a significant role in improving the OS, when used in patients with newly diagnosed HGG. To minimize the risk of side effects, however, a carful patient selection based mainly on patient age and tumor volume should be desirable.
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Affiliation(s)
- Luca Ricciardi
- UOC di Neurochirurgia, Department of NESMOS, Sapienza University of Rome, Rome, Italy
| | - Ivana Manini
- Institute of Pathology, University Hospital of Udine, Udine, Italy
| | - Daniela Cesselli
- Institute of Pathology, University Hospital of Udine, Udine, Italy
- Department of Pathology, University Hospital of Udine, Udine, Italy
| | - Sokol Trungu
- UO di Neurochirurgia, Azienda Ospedaliera Cardinal G. Panico, Tricase, Italy
| | - Amedeo Piazza
- UOC di Neurochirurgia, Department of NESMOS, Sapienza University of Rome, Rome, Italy
| | - Antonella Mangraviti
- UOC di Neurochirurgia, Department of NESMOS, Sapienza University of Rome, Rome, Italy
| | - Massimo Miscusi
- UOC di Neurochirurgia, Department of NESMOS, Sapienza University of Rome, Rome, Italy
| | - Antonino Raco
- UOC di Neurochirurgia, Department of NESMOS, Sapienza University of Rome, Rome, Italy
| | - Tamara Ius
- Neurosurgery Unit, Department of Neurosciences, S. Maria della Misericordia University Hospital, Udine, Italy
- *Correspondence: Tamara Ius
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Menna G, Mattogno PP, Donzelli CM, Lisi L, Olivi A, Della Pepa GM. Glioma-Associated Microglia Characterization in the Glioblastoma Microenvironment through a 'Seed-and Soil' Approach: A Systematic Review. Brain Sci 2022; 12:718. [PMID: 35741603 PMCID: PMC9220868 DOI: 10.3390/brainsci12060718] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 05/25/2022] [Accepted: 05/28/2022] [Indexed: 12/04/2022] Open
Abstract
Background and aim: Ever since the discovery of tumor-associated immune cells, there has been growing interest in the understanding of the mechanisms underlying the crosstalk between these cells and tumor cells. A "seed and soil" approach has been recently introduced to describe the glioblastoma (GBM) landscape: tumor microenvironments act as fertile "soil" and interact with the "seed" (glial and stem cells compartment). In the following article, we provide a systematic review of the current evidence pertaining to the characterization of glioma-associated macrophages and microglia (GAMs) and microglia and macrophage cells in the glioma tumor microenvironment (TME). Methods: An online literature search was launched on PubMed Medline and Scopus using the following research string: "((Glioma associated macrophages OR GAM OR Microglia) AND (glioblastoma tumor microenvironment OR TME))". The last search for articles pertinent to the topic was conducted in February 2022. Results: The search of the literature yielded a total of 349 results. A total of 235 studies were found to be relevant to our research question and were assessed for eligibility. Upon a full-text review, 58 articles were included in the review. The reviewed papers were further divided into three categories based on their focus: (1) Microglia maintenance of immunological homeostasis and protection against autoimmunity; (2) Microglia crosstalk with dedifferentiated and stem-like glioblastoma cells; (3) Microglia migratory behavior and its activation pattern. Conclusions: Aggressive growth, inevitable recurrence, and scarce response to immunotherapies are driving the necessity to focus on the GBM TME from a different perspective to possibly disentangle its role as a fertile 'soil' for tumor progression and identify within it feasible therapeutic targets. Against this background, our systematic review confirmed microglia to play a paramount role in promoting GBM progression and relapse after treatments. The correct and extensive understanding of microglia-glioma crosstalk could help in understanding the physiopathology of this complex disease, possibly opening scenarios for improvement of treatments.
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Affiliation(s)
- Grazia Menna
- Institute of Neurosurgery, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy; (G.M.); (P.P.M.); (C.M.D.); (A.O.)
| | - Pier Paolo Mattogno
- Institute of Neurosurgery, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy; (G.M.); (P.P.M.); (C.M.D.); (A.O.)
| | - Carlo Maria Donzelli
- Institute of Neurosurgery, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy; (G.M.); (P.P.M.); (C.M.D.); (A.O.)
| | - Lucia Lisi
- Institute of Pharmacology, Catholic University of Rome, 00168 Rome, Italy;
| | - Alessandro Olivi
- Institute of Neurosurgery, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy; (G.M.); (P.P.M.); (C.M.D.); (A.O.)
| | - Giuseppe Maria Della Pepa
- Institute of Neurosurgery, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy; (G.M.); (P.P.M.); (C.M.D.); (A.O.)
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Menna G, Manini I, Cesselli D, Skrap M, Olivi A, Ius T, Della Pepa GM. Immunoregulatory effects of glioma-associated stem cells on the glioblastoma peritumoral microenvironment: a differential PD-L1 expression from core to periphery? Neurosurg Focus 2022; 52:E4. [PMID: 35104793 DOI: 10.3171/2021.11.focus21589] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 11/15/2021] [Indexed: 01/05/2023]
Abstract
OBJECTIVE Glioma-associated stem cells (GASCs) have been indicated as possible players in supporting growth and recurrence in glioblastoma. However, their role in modulating immune response in the peritumoral area has not yet been described. In this study, the authors aimed to investigate programmed death-ligand 1 (PD-L1) differential expression at the protein level in GASCs derived from different tumor areas (core, periphery, and surrounding healthy brain). METHODS Tumor tissue samples were collected from patients who underwent surgery for a histopathologically confirmed diagnosis of glioblastoma. Sampling sites were confirmed via neuronavigation and categorized on 5-aminolevulinic acid (5-ALA) fluorescence as bright (ALA+), pale (ALA PALE), or negative (ALA-), which corresponds to the tumor mass, infiltrated peritumoral area, and healthy brain, respectively, during surgery. GASCs were first isolated from the 3 regions and analyzed; then Western blot analysis was used to evaluate the level of PD-L1 expression in the GASCs. RESULTS Overall, 7 patients were included in the study. For all patients, the mean values ± SD of PD-L1 expression in GASCs for ALA+, ALA PALE, and ALA- were 1.12 ± 1.14, 0.89 ± 0.63, and 0.57 ± 0.18, respectively. The differentially expressed values of PD-L1 in GASCs sampled from the 3 areas were found to be significant (p < 0.05) for 3 of the 7 patients: patient S470 (ALA+ vs ALA- and ALA PALE vs ALA-), patient S473 (ALA+ vs ALA PALE and ALA PALE vs ALA-), and patient S509 (ALA+ vs ALA-). CONCLUSIONS This analysis showed, for the first time, that GASCs expressed a constitutive level of PD-L1 and that PD-L1 expression in GASCs was not uniform among patients or within the same patient. GASC analysis combined with 5-ALA-guided sampling (from core to periphery) made it possible to highlight the role of the tumor microenvironment at the infiltrating margin, which might cause clinical resistance, opening interesting perspectives for the future.
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Affiliation(s)
- Grazia Menna
- 1Institute of Neurosurgery, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Catholic University, Rome
| | - Ivana Manini
- 2Institute of Pathology, University Hospital, Udine; and
| | | | - Miran Skrap
- 3Neurosurgery Unit, Department of Neuroscience, Santa Maria della Misericordia, University Hospital, Udine, Italy
| | - Alessandro Olivi
- 1Institute of Neurosurgery, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Catholic University, Rome
| | - Tamara Ius
- 3Neurosurgery Unit, Department of Neuroscience, Santa Maria della Misericordia, University Hospital, Udine, Italy
| | - Giuseppe Maria Della Pepa
- 1Institute of Neurosurgery, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Catholic University, Rome
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Patient-Oriented Perspective on Chemokine Receptor Expression and Function in Glioma. Cancers (Basel) 2021; 14:cancers14010130. [PMID: 35008294 PMCID: PMC8749846 DOI: 10.3390/cancers14010130] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 12/23/2021] [Accepted: 12/24/2021] [Indexed: 12/16/2022] Open
Abstract
Simple Summary Chemokines and their receptors have been pointed out as key actors in a variety of human cancers, playing pivotal roles in multiples processes and pathways. The present study aims at deciphering the functions of several chemokine receptors in gliomas, starting from publicly available patient-derived transcriptomic data with support from the current literature in the field, and sheds light on the clinical relevance of chemokine receptors in targeted therapeutic approaches for glioma patients. Abstract Gliomas are severe brain malignancies, with glioblastoma (GBM) being the most aggressive one. Despite continuous efforts for improvement of existing therapies, overall survival remains poor. Over the last years, the implication of chemokines and their receptors in GBM development and progression has become more evident. Recently, large amounts of clinical data have been made available, prompting us to investigate chemokine receptors in GBM from a still-unexplored patient-oriented perspective. This study aims to highlight and discuss the involvement of chemokine receptors—CCR1, CCR5, CCR6, CCR10, CX3CR1, CXCR2, CXCR4, ACKR1, ACKR2, and ACKR3—most abundantly expressed in glioma patients based on the analysis of publicly available clinical datasets. Given the strong intratumoral heterogeneity characterizing gliomas and especially GBM, receptor expression was investigated by glioma molecular groups, by brain region distribution, emphasizing tissue-specific receptor functions, and by cell type enrichment. Our study constitutes a clinically relevant and patient-oriented guide that recapitulates the expression profile and the complex roles of chemokine receptors within the highly diversified glioma landscape. Additionally, it strengthens the importance of patient-derived material for development and precise amelioration of chemokine receptor-targeting therapies.
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Glioblastoma CUSA Fluid Protein Profiling: A Comparative Investigation of the Core and Peripheral Tumor Zones. Cancers (Basel) 2020; 13:cancers13010030. [PMID: 33374813 PMCID: PMC7795841 DOI: 10.3390/cancers13010030] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 12/04/2020] [Accepted: 12/18/2020] [Indexed: 12/14/2022] Open
Abstract
Simple Summary The biological processes responsible for the high infiltration and recurrence rate of glioblastoma multiforme, the most frequent and aggressive primary brain tumor (GBM), are still under investigation. By the original analysis of cavitating ultrasound aspirator fluid as the biological specimen, the present study aimed to preliminarily explore and compare the protein profiles of the tumor core and tumor periphery, as defined by 5-aminolevulinic acid fluorescence, in newly diagnosed and recurrent glioblastoma sampled pools. The results showed distinguished protein elements in the different tumor and peritumoral zones, as well as in the two tumor states (newly diagnosed vs recurrent), and suggested the presence of pathological aspects in the fluorescent negative periphery, possibly contributing to the comprehension of the molecular mechanisms underlying this tumor’s onset and development, opening to potential clinical applications. Abstract The present investigation aimed to characterize the protein profile of cavitating ultrasound aspirator fluid of newly diagnosed and recurrent glioblastoma comparing diverse zones of collection, i.e., tumor core and tumor periphery, with the aid of 5-aminolevulinic acid fluorescence. The samples were pooled and analyzed in triplicate by LC-MS following the shotgun proteomic approach. The identified proteins were then grouped to disclose elements exclusive and common to the tumor state or tumor zones and submitted to gene ontology classification and pathway overrepresentation analysis. The proteins common to the distinct zones were further investigated by relative quantitation, following a label free approach, to disclose possible differences of expression. Nine proteins, i.e., tubulin 2B chain, CD59, far upstream element-binding, CD44, histone H1.4, caldesmon, osteopontin, tropomyosin chain and metallothionein-2, marked the core of newly diagnosed glioblastoma with respect to tumor periphery. Considering the tumor zone, including the core and the fluorescence positive periphery, the serine glycine biosynthesis, pentose phosphate, 5-hydroxytryptamine degredation, de novo purine biosynthesis and huntington disease pathways resulted statistically significantly overrepresented with respect to the human genome of reference. The fluorescence negative zone shared several protein elements with the tumor zone, possibly indicating the presence of pathological aspects of glioblastoma rather than of normal brain parenchyma. On the other hand, its exclusive protein elements were considered to represent the healthy zone and, accordingly, exhibiting no pathways overrepresentation. On the contrary to newly diagnosed glioblastoma, pathway overrepresentation was recognized only in the healthy zone of recurrent glioblastoma. The TGFβ signaling pathway, exclusively classified in the fluorescence negative periphery in newly diagnosed glioblastoma, was instead the exclusive pathway classified in the tumor core of recurrent glioblastoma. These results, preliminary obtained on sample pools, demonstrated the potential of cavitron ultrasonic surgical aspirate fluid for proteomic profiling of glioblastoma able to distinguish molecular features specific of the diverse tumor zones and tumor states, possibly contributing to the understanding of the highly infiltrative capability and recurrent rate of this aggressive brain tumor and opening to potential clinical applications to be further investigated.
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Caponnetto F, Dalla E, Mangoni D, Piazza S, Radovic S, Ius T, Skrap M, Di Loreto C, Beltrami AP, Manini I, Cesselli D. The miRNA Content of Exosomes Released from the Glioma Microenvironment Can Affect Malignant Progression. Biomedicines 2020; 8:biomedicines8120564. [PMID: 33287106 PMCID: PMC7761654 DOI: 10.3390/biomedicines8120564] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 11/27/2020] [Accepted: 12/01/2020] [Indexed: 12/13/2022] Open
Abstract
Low-grade gliomas (LGG) are infiltrative primary brain tumors that in 70% of the cases undergo anaplastic transformation, deeply affecting prognosis. However, the timing of progression is heterogeneous. Recently, the tumor microenvironment (TME) has gained much attention either as prognostic factor or therapeutic target. Through the release of extracellular vesicles, the TME contributes to tumor progression by transferring bioactive molecules such as microRNA. The aim of the study was to take advantage of glioma-associated stem cells (GASC), an in vitro model of the glioma microenvironment endowed with a prognostic significance, and their released exosomes, to investigate the possible role of exosome miRNAs in favoring the anaplastic transformation of LGG. Therefore, by deep sequencing, we analyzed and compared the miRNA profile of GASC and exosomes obtained from LGG patients characterized by different prognosis. Results showed that exosomes presented a different signature, when compared to their cellular counterpart and that, although sharing several miRNAs, exosomes of patients with a bad prognosis, selectively expressed some miRNAs possibly responsible for the more aggressive phenotype. These findings get insights into the value of TME and exosomes as potential biomarkers for precision medicine approaches aimed at improving LGG prognostic stratification and therapeutic strategies.
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Affiliation(s)
- Federica Caponnetto
- Department of Medicine, University of Udine, 33100 Udine, Italy; (E.D.); (C.D.L.); (A.P.B.); (D.C.)
- Correspondence: (F.C.); (I.M.); Tel.: +39-0432-559-412 (F.C. & I.M.)
| | - Emiliano Dalla
- Department of Medicine, University of Udine, 33100 Udine, Italy; (E.D.); (C.D.L.); (A.P.B.); (D.C.)
| | - Damiano Mangoni
- Central RNA Laboratory, Istituto Italiano di Tecnologia (IIT), 16163 Genova, Italy;
| | - Silvano Piazza
- International Center for Genetic Engineering and Biotechnology (ICGEB), 34149 Trieste, Italy;
| | | | - Tamara Ius
- Neurosurgery Unit, Department of Neurosciences, University Hospital of Udine, 33100 Udine, Italy; (T.I.); (M.S.)
| | - Miran Skrap
- Neurosurgery Unit, Department of Neurosciences, University Hospital of Udine, 33100 Udine, Italy; (T.I.); (M.S.)
| | - Carla Di Loreto
- Department of Medicine, University of Udine, 33100 Udine, Italy; (E.D.); (C.D.L.); (A.P.B.); (D.C.)
- Institute of Pathology, University Hospital of Udine, 33100 Udine, Italy
| | - Antonio Paolo Beltrami
- Department of Medicine, University of Udine, 33100 Udine, Italy; (E.D.); (C.D.L.); (A.P.B.); (D.C.)
| | - Ivana Manini
- Institute of Pathology, University Hospital of Udine, 33100 Udine, Italy
- Correspondence: (F.C.); (I.M.); Tel.: +39-0432-559-412 (F.C. & I.M.)
| | - Daniela Cesselli
- Department of Medicine, University of Udine, 33100 Udine, Italy; (E.D.); (C.D.L.); (A.P.B.); (D.C.)
- Institute of Pathology, University Hospital of Udine, 33100 Udine, Italy
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