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Ballesteros I, Cerezo-Wallis D, Hidalgo A. Understanding NSCLC, one cell at a time. Cancer Cell 2022; 40:1459-1461. [PMID: 36400019 DOI: 10.1016/j.ccell.2022.10.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Lung cancers are very heterogeneous, a feature that in part emanates from the tumor microenvironment. In this issue, Salcher et al. provide a comprehensive analysis of hundreds of patients with non-small cell lung cancer (NSCLC) at the single-cell level to discover extreme immune diversity and define neutrophil populations associated with treatment outcome.
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Affiliation(s)
- Iván Ballesteros
- Area of Cell & Developmental Biology, Centro Nacional de Investigaciones Cardiovasculares Carlos III, Madrid, Spain
| | - Daniela Cerezo-Wallis
- Vascular Biology and Therapeutics Program and Department of Immunobiology, Yale University School of Medicine, New Haven, CT, USA
| | - Andrés Hidalgo
- Area of Cell & Developmental Biology, Centro Nacional de Investigaciones Cardiovasculares Carlos III, Madrid, Spain; Vascular Biology and Therapeutics Program and Department of Immunobiology, Yale University School of Medicine, New Haven, CT, USA.
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52
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Richard Q, Laurenge A, Mallat M, Sanson M, Castro-Vega LJ. New insights into the Immune TME of adult-type diffuse gliomas. Curr Opin Neurol 2022; 35:794-802. [PMID: 36226710 PMCID: PMC9671594 DOI: 10.1097/wco.0000000000001112] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
PURPOSE OF REVIEW Adult-type diffuse gliomas are highly heterogeneous tumors. Bulk transcriptome analyses suggested that the composition of the tumor microenvironment (TME) corresponds to genetic and clinical features. In this review, we highlight novel findings on the intratumoral heterogeneity of IDH-wildtype and IDH-mutant gliomas characterized at single-cell resolution, and emphasize the mechanisms shaping the immune TME and therapeutic implications. RECENT FINDINGS Emergent evidence indicates that in addition to genetic drivers, epigenetic mechanisms and microenvironmental factors influence the glioma subtypes. Interactions between glioma and immune cells contribute to immune evasion, particularly in aggressive tumors. Spatial and temporal heterogeneity of malignant and immune cell subpopulations is high in recurrent gliomas. IDH-wildtype and IDH-mutant tumors display distinctive changes in their myeloid and lymphoid compartments, and D-2HG produced by IDH-mutant cells impacts the immune TME. SUMMARY The comprehensive dissection of the intratumoral ecosystem of human gliomas using single-cell and spatial transcriptomic approaches advances our understanding of the mechanisms underlying the immunosuppressed state of the TME, supports the prognostic value of tumor-associated macrophages and microglial cells, and sheds light on novel therapeutic options.
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Affiliation(s)
- Quentin Richard
- Paris Brain Institute (ICM), Hôpital Pitié-Salpêtrière, Inserm U 1127, CNRS UMR 7225, Sorbonne Université, Genetics and Development of Brain Tumors Team
| | - Alice Laurenge
- Paris Brain Institute (ICM), Hôpital Pitié-Salpêtrière, Inserm U 1127, CNRS UMR 7225, Sorbonne Université, Genetics and Development of Brain Tumors Team
| | - Michel Mallat
- Paris Brain Institute (ICM), Hôpital Pitié-Salpêtrière, Inserm U 1127, CNRS UMR 7225, Sorbonne Université, Genetics and Development of Brain Tumors Team
| | - Marc Sanson
- Paris Brain Institute (ICM), Hôpital Pitié-Salpêtrière, Inserm U 1127, CNRS UMR 7225, Sorbonne Université, Genetics and Development of Brain Tumors Team
- Department of Neurology 2, Pitié-Salpêtrière Hospital
- Onconeurotek Tumor Bank, Paris, France
| | - Luis Jaime Castro-Vega
- Paris Brain Institute (ICM), Hôpital Pitié-Salpêtrière, Inserm U 1127, CNRS UMR 7225, Sorbonne Université, Genetics and Development of Brain Tumors Team
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D-2HG comes out of its shell: Metabolic effects on the immune environment. Mol Cell 2022; 82:4407-4409. [DOI: 10.1016/j.molcel.2022.11.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 11/04/2022] [Accepted: 11/04/2022] [Indexed: 12/02/2022]
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54
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Wang Q, Lin W, Liu T, Hu J, Zhu Y. Immunological classification of glioblastoma and its prognostic implications. Am J Transl Res 2022; 14:8009-8022. [PMID: 36505340 PMCID: PMC9730108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 09/27/2022] [Indexed: 12/15/2022]
Abstract
OBJECTIVES The progress of immunotherapy for glioblastoma (GBM) is currently slow. To improve immunotherapy, we need a deeper understanding of the immune microenvironment of GBM. Here, we aimed to establish a classification system based on immune expression profile in GBM. METHODS Immune gene expression profiles of 152 patients with GBM from The Cancer Genome Atlas (TCGA) were used to identify subtypes by consensus clustering, and the classification system was reproduced in the two validation datasets (CGGA and GSE16011). Clinical information, molecular characteristics, immune infiltration, and genomic variation were integrated to characterize the subtypes. RESULTS Two distinct immune subtypes in GBM were successfully identified and validated. The Im2 subtype was closely related to IDH-wildtype and combined +7/-10, while the Im1 subtype was associated with IDH mutation. Survival curve analysis showed that the Im2 subtype was associated with significantly shorter survival than the Im1 subtype. Im2 showed a high immune score and stromal score, low tumor purity, enrichment of macrophages, and high immune checkpoint and HLA gene expression. Im1 was characterized by low immune score and stromal score, high tumor purity, enrichment of lymphocytes, and low immune checkpoint and HLA gene expression. Finally, we developed an immune-related signature in GBM with better prognosis prediction. CONCLUSIONS Our study confirmed the immune heterogeneity of GBM and might provide valuable classification for immunotherapy.
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Affiliation(s)
- Qiangwei Wang
- Department of Neurosurgery, The Second Affiliated Hospital, Zhejiang University School of MedicineHangzhou 310009, Zhejiang, China,Clinical Research Center for Neurological Diseases of Zhejiang ProvinceHangzhou 310009, Zhejiang, China,Chinese Glioma Genome Atlas Network (CGGA) and Asian Glioma Genome Atlas Network (AGGA)Beijing 100070, China
| | - Weiwei Lin
- Department of Neurosurgery, The Second Affiliated Hospital, Zhejiang University School of MedicineHangzhou 310009, Zhejiang, China,Clinical Research Center for Neurological Diseases of Zhejiang ProvinceHangzhou 310009, Zhejiang, China
| | - Tianjian Liu
- Department of Neurosurgery, The Second Affiliated Hospital, Zhejiang University School of MedicineHangzhou 310009, Zhejiang, China,Clinical Research Center for Neurological Diseases of Zhejiang ProvinceHangzhou 310009, Zhejiang, China
| | - Jue Hu
- School of Basic Medical Sciences and Forensic Medicine, Hangzhou Medical CollegeHangzhou 311399, Zhejiang, China
| | - Yongjian Zhu
- Department of Neurosurgery, The Second Affiliated Hospital, Zhejiang University School of MedicineHangzhou 310009, Zhejiang, China,Clinical Research Center for Neurological Diseases of Zhejiang ProvinceHangzhou 310009, Zhejiang, China
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55
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Picca A, Finocchiaro G. Deciphering diffuse glioma immune microenvironment as a key to improving immunotherapy results. Curr Opin Oncol 2022; 34:653-660. [PMID: 36000367 DOI: 10.1097/cco.0000000000000895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE OF REVIEW Immunotherapeutic approaches have yet to demonstrate their clinical efficacy in diffuse gliomas. Evidence is mounting that the central nervous system is subject to immune surveillance, but brain tumours manage to escape due to factors intrinsic to their tumoral immune microenvironment (TME). This review aims to discuss the recently characterized molecular bases of the glioma TME and the potentially actionable targets to improve immunotherapeutic results in these hard-to-treat cancers. RECENT FINDINGS Single-cell studies defined the composition of the glioma immune TME and its peculiarities compared with other solid cancers. In isocitrate dehydrogenase (IDH) wildtype gliomas, the TME is enriched in myeloid cells (monocyte-derived macrophages and resident microglia) with mainly immunosuppressive functions. Lymphocytes can infiltrate the glioma TME, but are exposed to multiple immunomodulating signals that render them in a state of deep exhaustion. IDH mutant gliomas produce the oncometabolite D-2-hydroxyglutarate with negative effects on leukocyte recruitment and function, resulting in the induction of an 'immune-desert' TME. SUMMARY Several molecular pathways have been recently identified in the induction of an 'immune-hostile' microenvironment in diffuse gliomas, unravelling potential vulnerabilities to targeted immunotherapies.
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Affiliation(s)
- Alberto Picca
- Sorbonne Université, Inserm, CNRS, UMR S 1127, Institut du Cerveau, ICM, AP-HP, Hôpitaux Universitaires La Pitié Salpêtrière - Charles Foix, Service de Neurologie 2-Mazarin, F-75013 Paris, France. Equipe labellisée LNCC
| | - Gaetano Finocchiaro
- Department of Neurology, IRCCS San Raffaele Scientific Institute, Milan, Italy
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A Composite Bioinformatic Analysis to Explore Endoplasmic Reticulum Stress-Related Prognostic Marker and Potential Pathogenic Mechanisms in Glioma by Integrating Multiomics Data. JOURNAL OF ONCOLOGY 2022; 2022:9886044. [PMID: 36245971 PMCID: PMC9553508 DOI: 10.1155/2022/9886044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 07/18/2022] [Accepted: 08/14/2022] [Indexed: 11/18/2022]
Abstract
In recent years, abnormal endoplasmic reticulum stress (ERS) response, as an important regulator of immunity, may play a vital role in the occurrence, development, and treatment of glioma. Weighted correlation network analysis (WGCNA) based on six glioma datasets was used to screen eight prognostic-related differentially expressed ERS-related genes (PR-DE-ERSGs) and to construct a prognostic model. BMP2 and HEY2 were identified as protective factors (HR < 1), and NUP107, DRAM1, F2R, PXDN, RNF19A, and SCG5 were identified as risk factors for glioma (HR > 1). QRT-PCR further supported significantly higher DRAM1 and lower SCG5 relative mRNA expression in gliomas. Our model has demonstrated excellent performance in predicting the prognosis of glioma patients from numerous datasets. In addition, the model shows good stability in multiple tests. Our model also shows broad clinical promise in predicting drug treatment effects. More immune cells/processes in the high-risk population with poor prognosis illustrate the importance of the tumor immunosuppressive environment in glioma. The potential role of the HEY2-based competitive endogenous RNA (ceRNA) regulatory network in glioma was validated and revealed the possible important role of glycolysis in glioma ERS. IDH1 and TP53 mutations with better prognosis were strongly associated with the risk score and PR-DE-ERSGs expression in the model. mDNAsi was also closely related to the risk score and clinical characteristics.
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57
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Fan X, Nie X, Huang J, Zhang L, Wang X, Lu M. A Composite Bioinformatic Analysis to Explore Endoplasmic Reticulum Stress-Related Prognostic Marker and Potential Pathogenic Mechanisms in Glioma by Integrating Multiomics Data. JOURNAL OF ONCOLOGY 2022. [DOI: https:/doi.org/10.1155/2022/9886044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
Abstract
In recent years, abnormal endoplasmic reticulum stress (ERS) response, as an important regulator of immunity, may play a vital role in the occurrence, development, and treatment of glioma. Weighted correlation network analysis (WGCNA) based on six glioma datasets was used to screen eight prognostic-related differentially expressed ERS-related genes (PR-DE-ERSGs) and to construct a prognostic model. BMP2 and HEY2 were identified as protective factors (HR < 1), and NUP107, DRAM1, F2R, PXDN, RNF19A, and SCG5 were identified as risk factors for glioma (HR > 1). QRT-PCR further supported significantly higher DRAM1 and lower SCG5 relative mRNA expression in gliomas. Our model has demonstrated excellent performance in predicting the prognosis of glioma patients from numerous datasets. In addition, the model shows good stability in multiple tests. Our model also shows broad clinical promise in predicting drug treatment effects. More immune cells/processes in the high-risk population with poor prognosis illustrate the importance of the tumor immunosuppressive environment in glioma. The potential role of the HEY2-based competitive endogenous RNA (ceRNA) regulatory network in glioma was validated and revealed the possible important role of glycolysis in glioma ERS. IDH1 and TP53 mutations with better prognosis were strongly associated with the risk score and PR-DE-ERSGs expression in the model. mDNAsi was also closely related to the risk score and clinical characteristics.
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Affiliation(s)
- Xin Fan
- Department of Emergency, Shangrao Hospital Affiliated to Nanchang University, Shangrao People’s Hospital, Shangrao 334000, China
- Department of Otolaryngology-Head and Neck Surgery, The First Affiliated Hospital of Nanchang University, Nanchang 330000, China
| | - Xiyi Nie
- Department of Neurosurgery, Yichun Hospital Affiliated to Nanchang University, Yichun People’s Hospital, Yichun 334000, China
| | - Junwen Huang
- The First Clinical Medical College of Nanchang University, Nanchang 330000, China
| | - Lingling Zhang
- School of Stomatology, Nanchang University, Nanchang 330000, China
| | - Xifu Wang
- Department of Emergency, Shangrao Hospital Affiliated to Nanchang University, Shangrao People’s Hospital, Shangrao 334000, China
| | - Min Lu
- Department of Emergency, Shangrao Hospital Affiliated to Nanchang University, Shangrao People’s Hospital, Shangrao 334000, China
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58
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Fan X, Nie X, Huang J, Zhang L, Wang X, Lu M. A Composite Bioinformatic Analysis to Explore Endoplasmic Reticulum Stress-Related Prognostic Marker and Potential Pathogenic Mechanisms in Glioma by Integrating Multiomics Data. JOURNAL OF ONCOLOGY 2022. [DOI: doi.org/10.1155/2022/9886044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
Abstract
In recent years, abnormal endoplasmic reticulum stress (ERS) response, as an important regulator of immunity, may play a vital role in the occurrence, development, and treatment of glioma. Weighted correlation network analysis (WGCNA) based on six glioma datasets was used to screen eight prognostic-related differentially expressed ERS-related genes (PR-DE-ERSGs) and to construct a prognostic model. BMP2 and HEY2 were identified as protective factors (HR < 1), and NUP107, DRAM1, F2R, PXDN, RNF19A, and SCG5 were identified as risk factors for glioma (HR > 1). QRT-PCR further supported significantly higher DRAM1 and lower SCG5 relative mRNA expression in gliomas. Our model has demonstrated excellent performance in predicting the prognosis of glioma patients from numerous datasets. In addition, the model shows good stability in multiple tests. Our model also shows broad clinical promise in predicting drug treatment effects. More immune cells/processes in the high-risk population with poor prognosis illustrate the importance of the tumor immunosuppressive environment in glioma. The potential role of the HEY2-based competitive endogenous RNA (ceRNA) regulatory network in glioma was validated and revealed the possible important role of glycolysis in glioma ERS. IDH1 and TP53 mutations with better prognosis were strongly associated with the risk score and PR-DE-ERSGs expression in the model. mDNAsi was also closely related to the risk score and clinical characteristics.
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Affiliation(s)
- Xin Fan
- Department of Emergency, Shangrao Hospital Affiliated to Nanchang University, Shangrao People’s Hospital, Shangrao 334000, China
- Department of Otolaryngology-Head and Neck Surgery, The First Affiliated Hospital of Nanchang University, Nanchang 330000, China
| | - Xiyi Nie
- Department of Neurosurgery, Yichun Hospital Affiliated to Nanchang University, Yichun People’s Hospital, Yichun 334000, China
| | - Junwen Huang
- The First Clinical Medical College of Nanchang University, Nanchang 330000, China
| | - Lingling Zhang
- School of Stomatology, Nanchang University, Nanchang 330000, China
| | - Xifu Wang
- Department of Emergency, Shangrao Hospital Affiliated to Nanchang University, Shangrao People’s Hospital, Shangrao 334000, China
| | - Min Lu
- Department of Emergency, Shangrao Hospital Affiliated to Nanchang University, Shangrao People’s Hospital, Shangrao 334000, China
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Abstract
Standard treatment for patients with IDH-mutant gliomas with radiation therapy and chemotherapy is non-curative and associated with long-term neurotoxicity. This has created intense interest in targeted therapeutic strategies that are specifically designed of IDH-mutant tumors. Much progress has been made in understanding the unique biology of IDH-mutant gliomas, and now various IDH-mutant-specific targeting strategies are in various phases of development. Here, we will review a range of IDH-mutant targeting treatments being explored, including direct IDH inhibitors, as well as strategies that take advantage of IDH-mutant-specific vulnerabilities.
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Affiliation(s)
- Julie J Miller
- Department of Neurology, Pappas Center for Neuro-Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
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Xu Y, Xiao H, Hu W, Shen HC, Liu W, Tan S, Ren C, Zhang X, Yang X, Yu G, Yang T, Yu D, Zong L. CIMP-positive glioma is associated with better prognosis: A systematic analysis. Medicine (Baltimore) 2022; 101:e30635. [PMID: 36181110 PMCID: PMC9524892 DOI: 10.1097/md.0000000000030635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND CpG island methylator phenotype (CIMP) was closely related to the degree of pathological differentiation of tumors, and it's an important determinant of glioma pathogenicity. However, the molecular and pathological features of CIMP-positive glioma have not been fully elucidated. In addition, CIMP have been reported to be a useful prognostic marker in several human cancers, yet its prognostic value in gliomas is still controversial. Therefore, we aimed to evaluate gene mutations and pathological features of CIMP-positive glioma and explore the prognostic value of CIMP in gliomas. METHODS We comprehensively searched PubMed, Embase, and MEDLINE for studies describing gene mutations, pathological features and overall survival of gliomas stratified by CIMP status. Odds ratios (OR), hazard ratios (HR), and their 95% confidence intervals (CI) were used to estimate the correlation between CIMP and the outcome parameters. RESULTS Twelve studies with 2386 gliomas (1051 CIMP-positive and 1335 CIMP-negative) were included. Our results showed that CIMP was more frequent in isocitrate dehydrogenase 1 (IDH1)-mutated gliomas (OR 229.07; 95% CI 138.72-378.26) and 1p19q loss of heterozygosis (LOH) gliomas (OR 5.65; 95% CI 2.66-12.01). Pathological analysis showed that CIMP was common in low-malignant oligodendroglioma (OR 5.51; 95% CI 3.95-7.70) with molecular features including IDH1 mutations and 1p19q LOH, but rare in glioblastoma (OR 0.14; 95% CI 0.10-0.19). However, CIMP showed no obvious correlation with anaplastic oligoastrocytomas (OR 1.57; 95% CI 1.24-2.00) or oligoastrocytomas (OR 0.79; 95% CI 0.35-1.76). Concerning the prognosis, we found that CIMP-positive gliomas had longer overall survival (HR 0.57; 95% CI 0.97-0.16) than CIMP-negative gliomas. CONCLUSIONS CIMP could be used as a potential independent prognostic indicator for glioma.
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Affiliation(s)
- Yingying Xu
- Department of General Surgery, Yizhen People’s Hospital, Clinical Medical College, Yangzhou University, Yangzhou, Jiangsu Province, China
| | - Huashi Xiao
- Clinical Medical College, Dalian Medical University, Liaoning Province, China
| | - Wenqing Hu
- Department of Gastrointestinal Surgery, Changzhi People’s Hospital, The Affiliated Hospital of Changzhi Medical College, Changzhi, Shanxi Province, China
| | - He-Chun Shen
- Department of General Practice, Northern Jiangsu People’s Hospital, Clinical Medical College, Yangzhou University, Yangzhou, Jiangsu Province, China
| | - Wanjun Liu
- Department of Clinical Medical Testing Laboratory, Clinical Medical School of Yangzhou University, Northern Jiangsu People’s Hospital, Yangzhou, Jiangsu Province, China
| | - Siyuan Tan
- Department of General Surgery, Yizhen People’s Hospital, Clinical Medical College, Yangzhou University, Yangzhou, Jiangsu Province, China
| | - Chuanli Ren
- Department of Clinical Medical Testing Laboratory, Clinical Medical School of Yangzhou University, Northern Jiangsu People’s Hospital, Yangzhou, Jiangsu Province, China
| | - Xiaomin Zhang
- Central Laboratory, Changzhi People’s Hospital, The Affiliated Hospital of Changzhi Medical College, Changzhi, Shanxi Province, China
| | - Xishuai Yang
- Neurology Department, Changzhi People’s Hospital, The Affiliated Hospital of Changzhi Medical College, Changzhi, Shanxi Province, China
| | - Guo Yu
- Laboratory of Pharmacogenomics and Pharmacokinetic Research, Subei People’s Hospital, Yangzhou University, Yangzhou, Jiangsu Province, China
| | - Ting Yang
- Central Laboratory, Changzhi People’s Hospital, The Affiliated Hospital of Changzhi Medical College, Changzhi, Shanxi Province, China
| | - Duonan Yu
- Jiangsu Key Laboratory of Experimental & Translational Non-coding RNA Research, Yangzhou University School of Medicine, Yangzhou, Jiangsu Province, China
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Disease and Zoonosis, Yangzhou, Jiangsu Province, China
| | - Liang Zong
- Department of Gastrointestinal Surgery, Changzhi People’s Hospital, The Affiliated Hospital of Changzhi Medical College, Changzhi, Shanxi Province, China
- *Correspondence: Liang Zong, Department of Gastrointestinal Surgery, Changzhi People’s Hospital, The Affiliated Hospital of Changzhi Medical College, Changzhi, 046000, Shanxi Province, China (e-mail: )
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Brandi G, Rizzo A. IDH Inhibitors and Immunotherapy for Biliary Tract Cancer: A Marriage of Convenience? Int J Mol Sci 2022; 23:ijms231810869. [PMID: 36142781 PMCID: PMC9503989 DOI: 10.3390/ijms231810869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 09/12/2022] [Accepted: 09/14/2022] [Indexed: 11/16/2022] Open
Abstract
Systemic treatments have traditionally reported limited efficacy for biliary tract cancer (BTC), and although targeted therapies and immune checkpoint inhibitors have been found to play an increasingly important role in treatment, several questions remain unanswered, including the identification of biomarkers of response. The tumor microenvironment (TME) has recently attracted the attention of the BTC medical community, and is currently being studied due to its potential role in modulating response and resistance to systemic therapies, including immunotherapy. In this perspective article, we discuss available evidence regarding the interplay between TME, IDH inhibitors, and immunotherapy, providing rationale for the design of future clinical trials.
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Affiliation(s)
- Giovanni Brandi
- Department of Specialized, Experimental and Diagnostic Medicine, University of Bologna, Via Giuseppe Massarenti, 9, 40138 Bologna, Italy
- Division of Medical Oncology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Via Albertoni, 15, 40138 Bologna, Italy
| | - Alessandro Rizzo
- Struttura Semplice Dipartimentale di Oncologia Medica per la Presa in Carico Globale del Paziente Oncologico “Don Tonino Bello”, I.R.C.C.S. Istituto Tumori “Giovanni Paolo II”, Viale Orazio Flacco 65, 70124 Bari, Italy
- Correspondence:
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Franson A, McClellan BL, Varela ML, Comba A, Syed MF, Banerjee K, Zhu Z, Gonzalez N, Candolfi M, Lowenstein P, Castro MG. Development of immunotherapy for high-grade gliomas: Overcoming the immunosuppressive tumor microenvironment. Front Med (Lausanne) 2022; 9:966458. [PMID: 36186781 PMCID: PMC9515652 DOI: 10.3389/fmed.2022.966458] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 08/22/2022] [Indexed: 01/07/2023] Open
Abstract
The preclinical and clinical development of novel immunotherapies for the treatment of central nervous system (CNS) tumors is advancing at a rapid pace. High-grade gliomas (HGG) are aggressive tumors with poor prognoses in both adult and pediatric patients, and innovative and effective therapies are greatly needed. The use of cytotoxic chemotherapies has marginally improved survival in some HGG patient populations. Although several challenges exist for the successful development of immunotherapies for CNS tumors, recent insights into the genetic alterations that define the pathogenesis of HGG and their direct effects on the tumor microenvironment (TME) may allow for a more refined and targeted therapeutic approach. This review will focus on the TME in HGG, the genetic drivers frequently found in these tumors and their effect on the TME, the development of immunotherapy for HGG, and the practical challenges in clinical trials employing immunotherapy for HGG. Herein, we will discuss broadly the TME and immunotherapy development in HGG, with a specific focus on glioblastoma multiforme (GBM) as well as additional discussion in the context of the pediatric HGG diagnoses of diffuse midline glioma (DMG) and diffuse hemispheric glioma (DHG).
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Affiliation(s)
- Andrea Franson
- Division of Pediatric Hematology/Oncology, Department of Pediatrics, University of Michigan Medical School, Ann Arbor, MI, United States
| | - Brandon L. McClellan
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, MI, United States
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI, United States
- Immunology Graduate Program, University of Michigan Medical School, Ann Arbor, MI, United States
| | - Maria Luisa Varela
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, MI, United States
| | - Andrea Comba
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, MI, United States
| | - Mohammad Faisal Syed
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, MI, United States
| | - Kaushik Banerjee
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, MI, United States
| | - Ziwen Zhu
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, MI, United States
| | - Nazareno Gonzalez
- Instituto de Investigaciones Biomédicas (INBIOMED, UBA-CONICET), Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Marianela Candolfi
- Instituto de Investigaciones Biomédicas (INBIOMED, UBA-CONICET), Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Pedro Lowenstein
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, MI, United States
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI, United States
- Department of Biomedical Engineering, University of Michigan Medical School, Ann Arbor, MI, United States
- Biosciences Initiative in Brain Cancer, Biointerface Institute, University of Michigan, Ann Arbor, MI, United States
| | - Maria Graciela Castro
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, MI, United States
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI, United States
- Biosciences Initiative in Brain Cancer, Biointerface Institute, University of Michigan, Ann Arbor, MI, United States
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Tang F, Pan Z, Wang Y, Lan T, Wang M, Li F, Quan W, Liu Z, Wang Z, Li Z. Advances in the Immunotherapeutic Potential of Isocitrate Dehydrogenase Mutations in Glioma. Neurosci Bull 2022; 38:1069-1084. [PMID: 35670952 PMCID: PMC9468211 DOI: 10.1007/s12264-022-00866-1] [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: 11/22/2021] [Accepted: 02/16/2022] [Indexed: 11/26/2022] Open
Abstract
Isocitrate dehydrogenase (IDH) is an essential metabolic enzyme in the tricarboxylic acid cycle (TAC). The high mutation frequency of the IDH gene plays a complicated role in gliomas. In addition to affecting gliomas directly, mutations in IDH can also alter their immune microenvironment and can change immune-cell function in direct and indirect ways. IDH mutations mediate immune-cell infiltration and function by modulating immune-checkpoint gene expression and chemokine secretion. In addition, IDH mutation-derived D2-hydroxyglutarate can be absorbed by surrounding immune cells, also affecting their functioning. In this review, we summarize current knowledge about the effects of IDH mutations as well as other gene mutations on the immune microenvironment of gliomas. We also describe recent preclinical and clinical data related to IDH-mutant inhibitors for the treatment of gliomas. Finally, we discuss different types of immunotherapy and the immunotherapeutic potential of IDH mutations in gliomas.
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Affiliation(s)
- Feng Tang
- Brain Glioma Center and Department of Neurosurgery, Wuhan University Zhongnan Hospital, Wuhan, 430071, China
| | - Zhiyong Pan
- Brain Glioma Center and Department of Neurosurgery, Wuhan University Zhongnan Hospital, Wuhan, 430071, China
| | - Yi Wang
- Department of Physiology, Wuhan University School of Basic Medical Sciences, Wuhan, 430071, China
| | - Tian Lan
- Brain Glioma Center and Department of Neurosurgery, Wuhan University Zhongnan Hospital, Wuhan, 430071, China
| | - Mengyue Wang
- Department of Physiology, Wuhan University School of Basic Medical Sciences, Wuhan, 430071, China
| | - Fengping Li
- Brain Glioma Center and Department of Neurosurgery, Wuhan University Zhongnan Hospital, Wuhan, 430071, China
| | - Wei Quan
- Brain Glioma Center and Department of Neurosurgery, Wuhan University Zhongnan Hospital, Wuhan, 430071, China
| | - Zhenyuan Liu
- Brain Glioma Center and Department of Neurosurgery, Wuhan University Zhongnan Hospital, Wuhan, 430071, China
| | - Zefen Wang
- Department of Physiology, Wuhan University School of Basic Medical Sciences, Wuhan, 430071, China.
| | - Zhiqiang Li
- Brain Glioma Center and Department of Neurosurgery, Wuhan University Zhongnan Hospital, Wuhan, 430071, China.
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Zhang C, Liu H, Tan Y, Xu Y, Li Y, Tong S, Qiu S, Chen Q, Su Z, Tian D, Zhou W, Zhong C. MS4A6A is a new prognostic biomarker produced by macrophages in glioma patients. Front Immunol 2022; 13:865020. [PMID: 36119086 PMCID: PMC9472524 DOI: 10.3389/fimmu.2022.865020] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 07/04/2022] [Indexed: 12/12/2022] Open
Abstract
MS4A6A has been recognized as being associated with aging and the onset of neurodegenerative disease. However, the mechanisms of MS4A6A in glioma biology and prognosis are ill-defined. Here, we show that MS4A6A is upregulated in glioma tissues, resulting in unfavorable clinical outcomes and poor responses to adjuvant chemotherapy. Multivariate Cox regression analysis suggested that MS4A6A expression can act as a strong and independent predictor for glioma outcomes (CGGA1: HR: 1.765, p < 0.001; CGGA2: HR: 2.626, p < 0.001; TCGA: HR: 1.415, p < 0.001; Rembrandt: HR: 1.809, p < 0.001; Gravendeel: HR: 1.613, p < 0.001). A protein–protein interaction (PPI) network revealed that MS4A6A might be coexpressed with CD68, CD163, and macrophage-specific signatures. Enrichment analysis showed the innate immune response and inflammatory response to be markedly enriched in the high MS4A6A expression group. Additionally, single-cell RNA sequencing (scRNA-seq) analysis revealed distinctive expression features for MS4A6A in macrophages in the glioma immune microenvironment (GIME). Immunofluorescence staining confirmed colocalization of CD68/MS4A6A and CD163/MS4A6A in macrophages. Correlation analysis revealed that MS4A6A expression is positively related to the tumor mutation burden (TMB) of glioma, displaying the high potential of applying MS4A6A to evaluate responsiveness to immunotherapy. Altogether, our research indicates that MS4A6A upregulation may be used as a promising and effective indicator for adjuvant therapy and prognosis assessment.
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Affiliation(s)
- Chunyu Zhang
- Department of Neurosurgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, China
- Department of Neurosurgery, Huzhou Central Hospital, Affiliated Central Hospital Huzhou Normal University, Huzhou, China
| | - Haitao Liu
- Department of Cardiothoracic Surgery, Jiaxing University, The First Affiliated Hospital, Jiaxing, China
| | - Yinqiu Tan
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yang Xu
- Department of Neurosurgery, Wuhan University, Renmin Hospital, Wuhan, China
| | - Yuntao Li
- Department of Neurosurgery, Wuhan University, Renmin Hospital, Wuhan, China
| | - Shiao Tong
- Department of Neurosurgery, Wuhan University, Renmin Hospital, Wuhan, China
| | - Sheng Qiu
- Department of Neurosurgery, Huzhou Central Hospital, Affiliated Central Hospital Huzhou Normal University, Huzhou, China
| | - Qianxue Chen
- Department of Neurosurgery, Wuhan University, Renmin Hospital, Wuhan, China
| | - Zhongzhou Su
- Department of Neurosurgery, Huzhou Central Hospital, Affiliated Central Hospital Huzhou Normal University, Huzhou, China
| | - Daofeng Tian
- Department of Neurosurgery, Wuhan University, Renmin Hospital, Wuhan, China
- *Correspondence: Daofeng Tian, ; Chunlong Zhong, ; Wei Zhou,
| | - Wei Zhou
- Department of Anesthesia, Huzhou Central Hospital, Affiliated Central Hospital Huzhou Normal University, Huzhou, China
- *Correspondence: Daofeng Tian, ; Chunlong Zhong, ; Wei Zhou,
| | - Chunlong Zhong
- Department of Neurosurgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, China
- *Correspondence: Daofeng Tian, ; Chunlong Zhong, ; Wei Zhou,
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Hormuth DA, Farhat M, Christenson C, Curl B, Chad Quarles C, Chung C, Yankeelov TE. Opportunities for improving brain cancer treatment outcomes through imaging-based mathematical modeling of the delivery of radiotherapy and immunotherapy. Adv Drug Deliv Rev 2022; 187:114367. [PMID: 35654212 PMCID: PMC11165420 DOI: 10.1016/j.addr.2022.114367] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 04/25/2022] [Accepted: 05/25/2022] [Indexed: 11/01/2022]
Abstract
Immunotherapy has become a fourth pillar in the treatment of brain tumors and, when combined with radiation therapy, may improve patient outcomes and reduce the neurotoxicity. As with other combination therapies, the identification of a treatment schedule that maximizes the synergistic effect of radiation- and immune-therapy is a fundamental challenge. Mechanism-based mathematical modeling is one promising approach to systematically investigate therapeutic combinations to maximize positive outcomes within a rigorous framework. However, successful clinical translation of model-generated combinations of treatment requires patient-specific data to allow the models to be meaningfully initialized and parameterized. Quantitative imaging techniques have emerged as a promising source of high quality, spatially and temporally resolved data for the development and validation of mathematical models. In this review, we will present approaches to personalize mechanism-based modeling frameworks with patient data, and then discuss how these techniques could be leveraged to improve brain cancer outcomes through patient-specific modeling and optimization of treatment strategies.
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Affiliation(s)
- David A Hormuth
- Oden Institute for Computational Engineering and Sciences, The University of Texas at Austin, Austin, TX 78712, USA; Departments of Livestrong Cancer Institutes, The University of Texas at Austin, Austin, TX 78712, USA.
| | - Maguy Farhat
- Departments of Radiation Oncology, MD Anderson Cancer Center, Houston, TX 77230, USA
| | - Chase Christenson
- Departments of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA
| | - Brandon Curl
- Departments of Radiation Oncology, MD Anderson Cancer Center, Houston, TX 77230, USA
| | - C Chad Quarles
- Barrow Neuroimaging Innovation Center, Barrow Neurological Institute, Phoenix, AZ 85013, USA
| | - Caroline Chung
- Departments of Radiation Oncology, MD Anderson Cancer Center, Houston, TX 77230, USA
| | - Thomas E Yankeelov
- Oden Institute for Computational Engineering and Sciences, The University of Texas at Austin, Austin, TX 78712, USA; Departments of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA; Departments of Diagnostic Medicine, The University of Texas at Austin, Austin, TX 78712, USA; Departments of Oncology, The University of Texas at Austin, Austin, TX 78712, USA; Departments of Livestrong Cancer Institutes, The University of Texas at Austin, Austin, TX 78712, USA; Departments of Imaging Physics, MD Anderson Cancer Center, Houston, TX 77230, USA
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Liu J, Yin J, Wang Y, Cai L, Geng R, Du M, Zhong Z, Ni S, Huang X, Yu H, Bai J. A comprehensive prognostic and immune analysis of enhancer RNA identifies IGFBP7-AS1 as a novel prognostic biomarker in Uterine Corpus Endometrial Carcinoma. Biol Proced Online 2022; 24:9. [PMID: 35836132 PMCID: PMC9284715 DOI: 10.1186/s12575-022-00172-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Accepted: 06/13/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Long non-coding RNAs (lncRNA) have been implicated in a hand of studies that supported an involvement and co-operation in Uterine Corpus Endometrial Carcinoma (UCEC). Enhancer RNAs (eRNA), a functional subtype of lncRNA, have a key role throughout the genome to guide protein production, thus potentially associated with diseases. METHODS In this study, we mainly applied the Cancer Genome Atlas (TCGA) dataset to systematically discover crucial eRNAs involving UCEC. For the key eRNAs in UCEC, we employed RT-qPCR to compare eRNA expression levels in tumor tissues and paired normal adjacent tissues from UCEC patients for validation. Furthermore, the relationships between the key eRNAs and immune activities were measured from several aspects, including the analysis for tumor microenvironment, immune infiltration cells, immune check point genes, tumor mutation burden, and microsatellite instability, as well as m6A related genes. Finally, the key eRNAs were verified by a comprehensive pan-cancer analysis. RESULTS IGFBP7 Antisense RNA 1 (IGFBP7-AS1) was identified as the key eRNA for its expression patterns of low levels in tumor tissues and favorable prognostic value in UCEC correlated with its target gene IGFBP7. In RT-qPCR analysis, IGFBP7-AS1 and IGFBP7 had down-regulated expression in tumor tissues, which was consistent with previous analysis. Moreover, IGFBP7-AS1 was found closely related with immune response in relevant immune analyses. Besides, IGFBP7-AS1 and its target gene IGFBP7 correlated with a multi-omics pan-cancer analysis. CONCLUSIONS Finally, we suggested that IGFBP7-AS1 played a key role in impacting on clinical outcomes of UCEC patients for its possible influence on immune activity.
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Affiliation(s)
- Jinhui Liu
- Department of Gynecology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, Jiangsu, China
| | - Jian Yin
- Department of Biostatistics, School of Public Heath, Nanjing Medical University, 101 Longmian Avenue, Jiangning District, Nanjing, 211166, P.R. China
| | - Yuanyuan Wang
- Department of Biostatistics, School of Public Heath, Nanjing Medical University, 101 Longmian Avenue, Jiangning District, Nanjing, 211166, P.R. China
| | - Lixin Cai
- Department of Biostatistics, School of Public Heath, Nanjing Medical University, 101 Longmian Avenue, Jiangning District, Nanjing, 211166, P.R. China
| | - Rui Geng
- Department of Biostatistics, School of Public Heath, Nanjing Medical University, 101 Longmian Avenue, Jiangning District, Nanjing, 211166, P.R. China
| | - Mulong Du
- Department of Biostatistics, School of Public Heath, Nanjing Medical University, 101 Longmian Avenue, Jiangning District, Nanjing, 211166, P.R. China
| | - Zihang Zhong
- Department of Biostatistics, School of Public Heath, Nanjing Medical University, 101 Longmian Avenue, Jiangning District, Nanjing, 211166, P.R. China
| | - Senmiao Ni
- Department of Biostatistics, School of Public Heath, Nanjing Medical University, 101 Longmian Avenue, Jiangning District, Nanjing, 211166, P.R. China
| | - Xiaohao Huang
- Department of Gynecology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, Jiangsu, China.
| | - Hao Yu
- Department of Biostatistics, School of Public Heath, Nanjing Medical University, 101 Longmian Avenue, Jiangning District, Nanjing, 211166, P.R. China.
| | - Jianling Bai
- Department of Biostatistics, School of Public Heath, Nanjing Medical University, 101 Longmian Avenue, Jiangning District, Nanjing, 211166, P.R. China.
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El Khayari A, Bouchmaa N, Taib B, Wei Z, Zeng A, El Fatimy R. Metabolic Rewiring in Glioblastoma Cancer: EGFR, IDH and Beyond. Front Oncol 2022; 12:901951. [PMID: 35912242 PMCID: PMC9329787 DOI: 10.3389/fonc.2022.901951] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 06/21/2022] [Indexed: 12/12/2022] Open
Abstract
Glioblastoma multiforme (GBM), a highly invasive and incurable tumor, is the humans’ foremost, commonest, and deadliest brain cancer. As in other cancers, distinct combinations of genetic alterations (GA) in GBM induce a diversity of metabolic phenotypes resulting in enhanced malignancy and altered sensitivity to current therapies. Furthermore, GA as a hallmark of cancer, dysregulated cell metabolism in GBM has been recently linked to the acquired GA. Indeed, Numerous point mutations and copy number variations have been shown to drive glioma cells’ metabolic state, affecting tumor growth and patient outcomes. Among the most common, IDH mutations, EGFR amplification, mutation, PTEN loss, and MGMT promoter mutation have emerged as key patterns associated with upregulated glycolysis and OXPHOS glutamine addiction and altered lipid metabolism in GBM. Therefore, current Advances in cancer genetic and metabolic profiling have yielded mechanistic insights into the metabolism rewiring of GBM and provided potential avenues for improved therapeutic modalities. Accordingly, actionable metabolic dependencies are currently used to design new treatments for patients with glioblastoma. Herein, we capture the current knowledge of genetic alterations in GBM, provide a detailed understanding of the alterations in metabolic pathways, and discuss their relevance in GBM therapy.
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Affiliation(s)
- Abdellatif El Khayari
- Institute of Biological Sciences (ISSB-P), Mohammed VI Polytechnic University (UM6P), Ben-Guerir, Morocco
| | - Najat Bouchmaa
- Institute of Biological Sciences (ISSB-P), Mohammed VI Polytechnic University (UM6P), Ben-Guerir, Morocco
| | - Bouchra Taib
- Institute of Sport Professions (IMS), Ibn Tofail University, Avenida de l’Université, Kenitra, Morocco
- Research Unit on Metabolism, Physiology and Nutrition, Department of Biology, Faculty of Science, Ibn Tofail University, Kenitra, Morocco
| | - Zhiyun Wei
- Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Ailiang Zeng
- Department of Cancer Biology, University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Rachid El Fatimy
- Institute of Biological Sciences (ISSB-P), Mohammed VI Polytechnic University (UM6P), Ben-Guerir, Morocco
- *Correspondence: Rachid El Fatimy,
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Wang G, Wang J, Niu C, Zhao Y, Wu P. Neutrophils: New Critical Regulators of Glioma. Front Immunol 2022; 13:927233. [PMID: 35860278 PMCID: PMC9289230 DOI: 10.3389/fimmu.2022.927233] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Accepted: 06/06/2022] [Indexed: 11/22/2022] Open
Abstract
In cancer, neutrophils are an important part of the tumour microenvironment (TME). Previous studies have shown that circulating and infiltrating neutrophils are associated with malignant progression and immunosuppression in gliomas. However, recent studies have shown that neutrophils have an antitumour effect. In this review, we focus on the functional roles of neutrophils in the circulation and tumour sites in patients with glioma. The mechanisms of neutrophil recruitment, immunosuppression and the differentiation of neutrophils are discussed. Finally, the potential of neutrophils as clinical biomarkers and therapeutic targets is highlighted. This review can help us gain a deeper and systematic understanding of the role of neutrophils, and provide new insights for treatment in gliomas.
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Affiliation(s)
- Guanyu Wang
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Jinpeng Wang
- Department of Urology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Chaoshi Niu
- Department of Neurosurgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
- Anhui Provincial Stereotactic Neurosurgical Institute, Hefei, China
- Anhui Province Key Laboratory of Brain Function and Brain Disease, Hefei, China
- Anhui Provincial Clinical Research Center for Neurosurgical Disease, Hefei, China
- *Correspondence: Pengfei Wu, ; Yan Zhao, ; Chaoshi Niu,
| | - Yan Zhao
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
- *Correspondence: Pengfei Wu, ; Yan Zhao, ; Chaoshi Niu,
| | - Pengfei Wu
- Department of Neurosurgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
- Anhui Provincial Stereotactic Neurosurgical Institute, Hefei, China
- Anhui Province Key Laboratory of Brain Function and Brain Disease, Hefei, China
- Anhui Provincial Clinical Research Center for Neurosurgical Disease, Hefei, China
- Anhui Province Key Laboratory of Translational Cancer Research, Bengbu Medical College, Bengbu, China
- *Correspondence: Pengfei Wu, ; Yan Zhao, ; Chaoshi Niu,
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Poot E, Maguregui A, Brunton VG, Sieger D, Hulme AN. Targeting Glioblastoma through Nano- and Micro-particle-Mediated Immune Modulation. Bioorg Med Chem 2022; 72:116913. [DOI: 10.1016/j.bmc.2022.116913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 06/24/2022] [Accepted: 06/27/2022] [Indexed: 11/02/2022]
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Zhou Z, Xu J, Huang N, Tang J, Ma P, Cheng Y. Clinical and Biological Significance of a Necroptosis-Related Gene Signature in Glioma. Front Oncol 2022; 12:855434. [PMID: 35719998 PMCID: PMC9201102 DOI: 10.3389/fonc.2022.855434] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 04/27/2022] [Indexed: 12/24/2022] Open
Abstract
Background As a novel form of programmed cell death, necroptosis is related to multiple tumor types and their immune microenvironments. However, its association with glioma has not been clarified. Methods Necroptosis genes were obtained from the Gene Set Enrichment Analysis (GSEA) database. RNA-seq and clinical data were downloaded from TCGA and CGGA databases. A necroptosis gene signature was constructed based on univariate and multivariate Cox regression analyses. Next, survival analysis, independent prognostic analysis, and nomogram were performed to assess and verify the model. Subsequently, we analyzed the tumor microenvironment (TME) and immune cell infiltration via ESTIMATE and CIBERSORTx algorithms. Finally, the response of glioma patients in the TCGA database to immune checkpoint inhibitor (ICI) therapy was predicted using the Tumor Immune Dysfunction and Exclusion (TIDE) database. Results Of the seven prognostic necroptosis genes, RIPK1, RIPK3, FAS, and FADD were used to construct the risk signature that accurately predicts the prognosis of glioma patients. Functional enrichment results suggest that necroptosis is correlated with immune response and angiogenesis. Immune analysis revealed that necroptosis can boost inflammatory activity and attract immunosuppressive cell infiltration to form a chronic inflammatory microenvironment, promoting glioma growth. Additionally, glioma patients in the TCGA cohort with high necroptosis gene expression exhibited a better response to ICI therapy predicted by the TIDE algorithm. Conclusion We constructed a necroptosis gene signature, which has the potential for use as a biomarker for predicting glioma patients’ prognosis, revealing the association between necroptosis and the immune microenvironment, and serving as a reference for immune therapy.
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Affiliation(s)
- Zunjie Zhou
- Department of Neurosurgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jing Xu
- Department of Neurosurgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Ning Huang
- Department of Neurosurgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jun Tang
- Department of Neurosurgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Ping Ma
- Department of Neurosurgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yuan Cheng
- Department of Neurosurgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
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Yan D, Li W, Liu Q, Yang K. Advances in Immune Microenvironment and Immunotherapy of Isocitrate Dehydrogenase Mutated Glioma. Front Immunol 2022; 13:914618. [PMID: 35769466 PMCID: PMC9234270 DOI: 10.3389/fimmu.2022.914618] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 05/16/2022] [Indexed: 11/21/2022] Open
Abstract
The tumor immune microenvironment and immunotherapy have become current important tumor research concerns. The unique immune microenvironment plays a crucial role in the malignant progression of isocitrate dehydrogenase (IDH) mutant gliomas. IDH mutations in glioma can inhibit tumor-associated immune system evasion of NK cell immune surveillance. Meanwhile, mutant IDH can inhibit classical and alternative complement pathways and directly inhibit T-cell responses by metabolizing isocitrate to D-2-Hydroxyglutaric acid (2-HG). IDH has shown clinically relevant efficacy as a potential target for immunotherapy. This article intends to summarize the research progress in the immunosuppressive microenvironment and immunotherapy of IDH-mutant glioma in recent years in an attempt to provide new ideas for the study of occurrence, progression, and treatment of IDH-mutant glioma.
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Affiliation(s)
- Dongming Yan
- Department of Neurosurgery, The First Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Weicheng Li
- Department of Neurosurgery, The First Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Qibing Liu
- Department of Pharmacology, School of Basic Medicine and Life Sciences, Hainan Medical University, Haikou, China
- Department of Pharmacy, The First Affiliated Hospital of Hainan Medical University, Haikou, China
- *Correspondence: Qibing Liu, ; Kun Yang,
| | - Kun Yang
- Department of Neurosurgery, The First Affiliated Hospital of Hainan Medical University, Haikou, China
- *Correspondence: Qibing Liu, ; Kun Yang,
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Hu C, Wang K, Damon C, Fu Y, Ma T, Kratz L, Lal B, Ying M, Xia S, Cahill DP, Jackson CM, Lim M, Laterra J, Li Y. ATRX loss promotes immunosuppressive mechanisms in IDH1 mutant glioma. Neuro Oncol 2022; 24:888-900. [PMID: 34951647 PMCID: PMC9159463 DOI: 10.1093/neuonc/noab292] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND ATRX inactivation occurs with IDH1R132H and p53 mutations in over 80% of Grades II/III astrocytomas. It is believed that ATRX loss contributes to oncogenesis by dysregulating epigenetic and telomere mechanisms but effects on anti-glioma immunity have not been explored. This paper examines how ATRX loss contributes to the malignant and immunosuppressive phenotypes of IDH1R132H/p53mut glioma cells and xenografts. METHODS Isogenic astrocytoma cells (+/-IDH1R132H/+/-ATRXloss) were established in p53mut astrocytoma cell lines using lentivirus encoding doxycycline-inducible IDH1R132H, ATRX shRNA, or Lenti-CRISPR/Cas9 ATRX. Effects of IDH1R132H+/-ATRXloss on cell migration, growth, DNA repair, and tumorigenicity were evaluated by clonal growth, transwell and scratch assays, MTT, immunofluorence and immunoblotting assays, and xenograft growth. Effects on the expression and function of modulators of the immune microenvironment were quantified by qRT-PCR, immunoblot, T-cell function, macrophage polarization, and flow cytometry assays. Pharmacologic inhibitors were used to examine epigenetic drivers of the immunosuppressive transcriptome of IDH1R132H/p53mut/ATRXloss cells. RESULTS Adding ATRX loss to the IDH1R132H/p53mut background promoted astrocytoma cell aggressiveness, induced expression of BET proteins BRD3/4 and an immune-suppressive transcriptome consisting of up-regulated immune checkpoints (e.g., PD-L1, PD-L2) and altered cytokine/chemokine profiles (e.g., IL33, CXCL8, CSF2, IL6, CXCL9). ATRX loss enhanced the capacity of IDH1R132H/p53mut cells to induce T-cell apoptosis, tumorigenic/anti-inflammatory macrophage polarization and Treg infiltration. The transcriptional and biological immune-suppressive responses to ATRX loss were enhanced by temozolomide and radiation and abrogated by pharmacologic BET inhibition. CONCLUSIONS ATRX loss activates a BRD-dependent immune-suppressive transcriptome and immune escape mechanism in IDH1R132H/p53mut astrocytoma cells.
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Affiliation(s)
- Chengchen Hu
- Hugo W. Moser Research Institute at Kennedy Krieger, Baltimore, Maryland, USA
| | - Kimberly Wang
- Hugo W. Moser Research Institute at Kennedy Krieger, Baltimore, Maryland, USA
| | - Ceylan Damon
- Hugo W. Moser Research Institute at Kennedy Krieger, Baltimore, Maryland, USA
| | - Yi Fu
- Hugo W. Moser Research Institute at Kennedy Krieger, Baltimore, Maryland, USA
| | - Tengjiao Ma
- Hugo W. Moser Research Institute at Kennedy Krieger, Baltimore, Maryland, USA
| | - Lisa Kratz
- Department of Neurology, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Bachchu Lal
- Hugo W. Moser Research Institute at Kennedy Krieger, Baltimore, Maryland, USA
- Department of Neurology, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Mingyao Ying
- Hugo W. Moser Research Institute at Kennedy Krieger, Baltimore, Maryland, USA
- Department of Neurology, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Shuli Xia
- Hugo W. Moser Research Institute at Kennedy Krieger, Baltimore, Maryland, USA
- Department of Neurology, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Daniel P Cahill
- Department of Neurosurgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Christopher M Jackson
- Department of Neurosurgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Michael Lim
- Department of Neurosurgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - John Laterra
- Hugo W. Moser Research Institute at Kennedy Krieger, Baltimore, Maryland, USA
- Department of Neurology, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Department of Oncology, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Department of Neuroscience, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Yunqing Li
- Hugo W. Moser Research Institute at Kennedy Krieger, Baltimore, Maryland, USA
- Department of Neurology, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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Wiatrowski K, Kim TH, Przespolewski A. Cellular and Molecular Biomarkers Predictive of Response to Immunotherapy in Acute Myeloid Leukemia. Front Oncol 2022; 12:826768. [PMID: 35664748 PMCID: PMC9160191 DOI: 10.3389/fonc.2022.826768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 03/24/2022] [Indexed: 11/13/2022] Open
Abstract
Immunotherapy has without question revolutionized the treatment of both hematologic and solid malignancies. Over the last several years novel strategies are being developed to incorporate these groundbreaking therapies into the care of patients with AML. Here we present an overview of the recent developments in immunotherapy for AML with a focus on biomarkers of response. Topics reviewed include antibody drug conjugates, BiTEs, DARTs, checkpoint inhibitors, and cellular therapy as well as the development of biomarkers predictive of response in each class.
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Chuntova P, Yamamichi A, Chen T, Narayanaswamy R, Ronseaux S, Hudson C, Tron AE, Hyer ML, Montoya M, Mende AL, Nejo T, Downey KM, Diebold D, Lu M, Nicolay B, Okada H. Inhibition of D-2HG leads to upregulation of a proinflammatory gene signature in a novel HLA-A2/HLA-DR1 transgenic mouse model of IDH1R132H-expressing glioma. J Immunother Cancer 2022; 10:e004644. [PMID: 35606087 PMCID: PMC9174833 DOI: 10.1136/jitc-2022-004644] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/26/2022] [Indexed: 11/04/2022] Open
Abstract
BACKGROUND Long-term prognosis of WHO grade II, isocitrate dehydrogenase (IDH)-mutated low-grade glioma (LGG) is poor due to high risks of recurrence and malignant transformation into high-grade glioma. Immunotherapy strategies are attractive given the relatively intact immune system of patients with LGG and the slow tumor growth rate. However, accumulation of the oncometabolite D-2-hydroxyglutarate (D-2HG) in IDH-mutated gliomas leads to suppression of inflammatory pathways in the tumor microenvironment, thereby contributing to the 'cold' tumor phenotype. Inhibiting D-2HG production presents an opportunity to generate a robust antitumor response following tumor antigen vaccination and immune checkpoint blockade. METHODS An IDH1R132H glioma model was created in syngeneic HLA-A2/HLA-DR1-transgenic mice, allowing us to evaluate the vaccination with the human leukocyte antigens (HLA)-DR1-restricted, IDH1R132H mutation-derived neoepitope. The effects of an orally available inhibitor of mutant IDH1 and IDH2, AG-881, were evaluated as monotherapy and in combination with the IDH1R132H peptide vaccination or anti-PD-1 immune checkpoint blockade. RESULTS The HLA-A2/HLA-DR1-syngeneic IDH1R132H cell line expressed the IDH1 mutant protein and formed D-2HG producing orthotopic gliomas in vivo. Treatment of tumor-bearing mice with AG-881 resulted in a reduction of D-2HG levels in IDH1R132H glioma cells (10 fold) and tumor-associated myeloid cells, which demonstrated high levels of intracellular D-2HG in the IDH1R132H gliomas. AG-881 monotherapy suppressed the progression of IDH1R132H gliomas in a CD4+ and CD8+ cell-dependent manner, enhanced proinflammatory IFNγ-related gene expression, and increased the number of CD4+ tumor-infiltrating T-cells. Prophylactic vaccination with the HLA-DR1-restricted IDH1R132H peptide or tumor-associated HLA-A2-restricted peptides did not enhance survival of tumor-bearing animals; however, vaccination with both HLA-A2-IDH1R132H and DR1-IDH1R132H peptides in combination with the IDH inhibitor significantly prolonged survival. Finally, tumor-bearing mice treated with both AG-881 and a PD-1 blocking antibody demonstrated improved survival when compared with either treatment alone. CONCLUSION The development of effective IDH1R132H-targeting vaccine may be enhanced by integration with HLA class I-restricted cytotoxic T cell epitopes and AG-881. Our HLA-A2/HLA-DR1-syngeneic IDH1R132H glioma model should allow us to evaluate key translational questions related to the development of novel strategies for patients with IDH-mutant glioma.
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Affiliation(s)
- Pavlina Chuntova
- Neurological Surgery, University of California San Francisco, San Francisco, California, USA
| | - Akane Yamamichi
- Neurological Surgery, University of California San Francisco, San Francisco, California, USA
| | - Tiffany Chen
- Neurological Surgery, University of California San Francisco, San Francisco, California, USA
| | - Rohini Narayanaswamy
- Agios Pharmaceuticals Inc, Cambridge, Massachusetts, USA
- Servier BioInnovation, Boston, Massachusetts, USA
| | - Sebastien Ronseaux
- Agios Pharmaceuticals Inc, Cambridge, Massachusetts, USA
- Cedilla Therapeutics, Cambridge, Massachusetts, USA
| | - Christine Hudson
- Agios Pharmaceuticals Inc, Cambridge, Massachusetts, USA
- Deciphera Pharmaceuticals Inc, Waltham, Massachusetts, USA
| | | | - Marc L Hyer
- Servier BioInnovation, Boston, Massachusetts, USA
| | - Megan Montoya
- Neurological Surgery, University of California San Francisco, San Francisco, California, USA
| | - Abigail L Mende
- Neurological Surgery, University of California San Francisco, San Francisco, California, USA
| | - Takahide Nejo
- Neurological Surgery, University of California San Francisco, San Francisco, California, USA
| | - Kira M Downey
- Neurological Surgery, University of California San Francisco, San Francisco, California, USA
| | - David Diebold
- Neurological Surgery, University of California San Francisco, San Francisco, California, USA
| | - Min Lu
- Agios Pharmaceuticals Inc, Cambridge, Massachusetts, USA
- Servier BioInnovation, Boston, Massachusetts, USA
| | - Brandon Nicolay
- Agios Pharmaceuticals Inc, Cambridge, Massachusetts, USA
- Cedilla Therapeutics, Cambridge, Massachusetts, USA
| | - Hideho Okada
- Neurological Surgery, University of California San Francisco, San Francisco, California, USA
- Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, CA, USA
- The Parker Institute for Cancer Immunotherapy, San Francisco, CA, USA
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75
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Wu MJ, Shi L, Merritt J, Zhu AX, Bardeesy N. Biology of IDH mutant cholangiocarcinoma. Hepatology 2022; 75:1322-1337. [PMID: 35226770 DOI: 10.1002/hep.32424] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 01/27/2022] [Accepted: 01/28/2022] [Indexed: 12/15/2022]
Abstract
Isocitrate dehydrogenase 1 and 2 (IDH1 and IDH2) are the most frequently mutated metabolic genes across human cancers. These hotspot gain-of-function mutations cause the IDH enzyme to aberrantly generate high levels of the oncometabolite, R-2-hydroxyglutarate, which competitively inhibits enzymes that regulate epigenetics, DNA repair, metabolism, and other processes. Among epithelial malignancies, IDH mutations are particularly common in intrahepatic cholangiocarcinoma (iCCA). Importantly, pharmacological inhibition of mutant IDH (mIDH) 1 delays progression of mIDH1 iCCA, indicating a role for this oncogene in tumor maintenance. However, not all patients receive clinical benefit, and those who do typically show stable disease rather than significant tumor regressions. The elucidation of the oncogenic functions of mIDH is needed to inform strategies that can more effectively harness mIDH as a therapeutic target. This review will discuss the biology of mIDH iCCA, including roles of mIDH in blocking cell differentiation programs and suppressing antitumor immunity, and the potential relevance of these effects to mIDH1-targeted therapy. We also cover opportunities for synthetic lethal therapeutic interactions that harness the altered cell state provoked by mIDH1 rather than inhibiting the mutant enzyme. Finally, we highlight key outstanding questions in the biology of this fascinating and incompletely understood oncogene.
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Affiliation(s)
- Meng-Ju Wu
- Cancer CenterMassachusetts General HospitalBostonMassachusettsUSA.,Department of MedicineHarvard Medical SchoolBostonMassachusettsUSA.,Broad Institute of Harvard and Massachusetts Institute of TechnologyCambridgeMassachusettsUSA
| | - Lei Shi
- Cancer CenterMassachusetts General HospitalBostonMassachusettsUSA.,Department of MedicineHarvard Medical SchoolBostonMassachusettsUSA.,Broad Institute of Harvard and Massachusetts Institute of TechnologyCambridgeMassachusettsUSA
| | - Joshua Merritt
- Cancer CenterMassachusetts General HospitalBostonMassachusettsUSA.,Department of MedicineHarvard Medical SchoolBostonMassachusettsUSA
| | - Andrew X Zhu
- Cancer CenterMassachusetts General HospitalBostonMassachusettsUSA.,Department of MedicineHarvard Medical SchoolBostonMassachusettsUSA.,Jiahui International Cancer CenterShanghaiChina
| | - Nabeel Bardeesy
- Cancer CenterMassachusetts General HospitalBostonMassachusettsUSA.,Department of MedicineHarvard Medical SchoolBostonMassachusettsUSA.,Broad Institute of Harvard and Massachusetts Institute of TechnologyCambridgeMassachusettsUSA
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76
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Agarwal P, Beale OM, Zhang X, Sandlesh P, Jaman E, Amankulor N. Machine Learning Identification of Immunotherapy Targets in Low-Grade Glioma using RNA Sequencing Expression Data. World Neurosurg 2022; 163:e349-e362. [PMID: 35390499 DOI: 10.1016/j.wneu.2022.03.123] [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: 01/11/2022] [Accepted: 03/28/2022] [Indexed: 10/18/2022]
Abstract
PURPOSE Immunotherapy has revolutionized cancer treatment in the past decade, but significant hurdles remain. Human studies with immune checkpoint inhibitors (ICIs) targeting programmed cell death protein have demonstrated suboptimal efficacy in the setting of low-grade gliomas (LGG). Identification of mechanisms leading to inadequate anti-tumor immunity is paramount. The current study evaluates and validates barriers to immunotherapy using a novel machine learning algorithm. METHODS We utilized The Cancer Genome Atlas (TCGA) to generate expression levels of 28 immune genes related to known immunotherapeutic targets or lymphocyte cytolytic activity. We created training and testing groups and three machine learning models to determine the genes most highly correlated to cytolytic activity (CYT). The three models were multiple regression by exhaustive selection, LASSO, and random forest. We validated computational results by comparing expression of pertinent genes in patient-derived glioma samples. RESULTS Our models demonstrated linearity, a low mean-squared error, and consistent results with respect to the most important variables. Expression of ICOS, IDO1, and CD40 were the most important variables in all models and demonstrated positive correlation with CYT. Other variables included TIGIT and CD137. Genetic analysis from three IDH-mutants (IDHm) and three IDH-wild type (IDHwt) patient-derived glioma samples validated TCGA data and demonstrated lower levels of CYT in IDHm gliomas compared to IDHwt. CONCLUSION This novel methodology has elucidated three potential targets for immunotherapy development in LGG. We also demonstrated a novel method of analyzing data using advanced statistical techniques that can be further employed in developing treatments for other diseases as well.
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Affiliation(s)
- Prateek Agarwal
- University of Pittsburgh Medical Center, Department of Neurosurgery, Pittsburgh, PA
| | - Oliver M Beale
- University of Pittsburgh Medical Center, Department of Neurosurgery, Pittsburgh, PA
| | - Xiaoran Zhang
- University of Pittsburgh Medical Center, Department of Neurosurgery, Pittsburgh, PA
| | - Poorva Sandlesh
- University of Pittsburgh Medical Center, Department of Neurosurgery, Pittsburgh, PA
| | - Emade Jaman
- University of Pittsburgh Medical Center, Department of Neurosurgery, Pittsburgh, PA
| | - Nduka Amankulor
- University of Pittsburgh Medical Center, Department of Neurosurgery, Pittsburgh, PA.
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77
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Zhao M, Li X, Chen Y, Wang S. MD2 Is a Potential Biomarker Associated with Immune Cell Infiltration in Gliomas. Front Oncol 2022; 12:854598. [PMID: 35372062 PMCID: PMC8968038 DOI: 10.3389/fonc.2022.854598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 02/23/2022] [Indexed: 11/30/2022] Open
Abstract
Background Glioma is the most common primary malignant tumor in the central nervous system. Myeloid differentiation protein 2 (MD2) acts as a coreceptor of toll-like receptor 4 (TLR4) to mediate innate immune response. However, the actual roles of MD2 in the regulation of progression and immune cell infiltration in gliomas remain largely unclear. This study aims to explore whether MD2 could be an independent prognostic factor through the mediation of immune cell infiltration in gliomas. Methods The mRNA expression and DNA methylation differential analyses of MD2 were performed using CGGA, TCGA and Rembrandt databases and survival analyses were performed using Kaplan-Meier plotter. Univariate and multivariate Cox regression was applied to analyze the prognostic value of MD2 and nomograms were constructed to evaluate the clinical value of MD2. Then, Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) were utilized to analyze MD2-related signal pathways. Furthermore, correlations between MD2 and immune cell infiltration were calculated by TIMER and CIBERSOPT. The correlation between MD2 expression and the infiltrations of macrophages and neutrophils was experimentally verified by the knockdown of MD2 expression using small interfering RNA (siRNA) in glioma cells. Results We found that MD2 was overexpressed and associated with a poor prognosis in gliomas. Meanwhile, higher expression of MD2 could be a result of lower DNA methylation of MD2 gene in gliomas. In addition, univariate and multivariate Cox regression analysis indicated that MD2 could be an independent prognostic factor for gliomas. Further functional enrichment analysis revealed that the functions of MD2 were closely related to immune responses. Moreover, the expression level of MD2 was strongly correlated with the infiltration and polarization of pro-tumor phenotype of tumor-associated macrophages and tumor-associated neutrophils in gliomas. Conclusions These findings have provided strong evidence that MD2 could be served as a valuable immune-related biomarker to diagnose and predict the progression of gliomas.
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Affiliation(s)
| | | | - Yijun Chen
- *Correspondence: Shuzhen Wang, ; Yijun Chen,
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MTAP loss correlates with an immunosuppressive profile in GBM and its substrate MTA stimulates alternative macrophage polarization. Sci Rep 2022; 12:4183. [PMID: 35264604 PMCID: PMC8907307 DOI: 10.1038/s41598-022-07697-0] [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: 11/08/2021] [Accepted: 02/23/2022] [Indexed: 12/31/2022] Open
Abstract
Glioblastoma (GBM) is a lethal brain cancer known for its potent immunosuppressive effects. Loss of Methylthioadenosine Phosphorylase (MTAP) expression, via gene deletion or epigenetic silencing, is one of the most common alterations in GBM. Here we show that MTAP loss in GBM cells is correlated with differential expression of immune regulatory genes. In silico analysis of gene expression profiles in GBM samples revealed that low MTAP expression is correlated with an increased proportion of M2 macrophages. Using in vitro macrophage models, we found that methylthioadenosine (MTA), the metabolite that accumulates as a result of MTAP loss in GBM cells, promotes the immunosuppressive alternative activation (M2) of macrophages. We show that this effect of MTA on macrophages is independent of IL4/IL3 signaling, is mediated by the adenosine A2B receptor, and can be pharmacologically reversed. This study suggests that MTAP loss in GBM cells may contribute to the immunosuppressive tumor microenvironment, and that MTAP status should be considered for characterizing GBM immune states and devising immunotherapy-based approaches for treating MTAP-null GBM.
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79
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Zhang J, Wang N, Wu J, Gao X, Zhao H, Liu Z, Yan X, Dong J, Wang F, Ba Y, Ma S, Jin J, Du J, Ji H, Hu S. 5-Methylcytosine Related LncRNAs Reveal Immune Characteristics, Predict Prognosis and Oncology Treatment Outcome in Lower-Grade Gliomas. Front Immunol 2022; 13:844778. [PMID: 35309316 PMCID: PMC8927645 DOI: 10.3389/fimmu.2022.844778] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 02/11/2022] [Indexed: 12/21/2022] Open
Abstract
5-Methylcytosine (m5C) methylation is an important RNA modification pattern that can participate in oncogenesis and progression of cancers by affecting RNA stability, expression of oncogenes, and the activity of cancer signaling pathways. Alterations in the expression pattern of long non-coding RNAs (lncRNAs) are potentially correlated with abnormalities in the m5C regulation features of cancers. Our aim was to reveal the mechanisms by which lncRNAs regulated the m5C process, to explore the impact of aberrant regulation of m5C on the biological properties of lower-grade gliomas (LGG), and to optimize current therapeutic. By searching 1017 LGG samples from the Cancer Genome Atlas and Chinese Glioma Genome Atlas, we first clarified the potential impact of m5C regulators on LGG prognosis in this study and used univariate Cox analysis and least absolute shrinkage and selection operator regression to explore clinically meaningful lncRNAs. Consequently, we identified four lncRNAs, including LINC00265, CIRBP-AS1, GDNF-AS1, and ZBTB20-AS4, and established a novel m5C-related lncRNAs signature (m5CrLS) that was effective in predicting prognosis. Notably, mutation rate, WHO class II, IDH mutation, 1p/19q co-deletion and MGMT promoter methylation were increased in the low m5CrLS score group. Patients with increased m5CrLS scores mostly showed activation of tumor malignancy-related pathways, increased immune infiltrating cells, and decreased anti-tumor immune function. Besides, the relatively high expression of immune checkpoints also revealed the immunosuppressed state of patients with high m5CrLS scores. In particular, m5CrLS stratification was sensitive to assess the efficacy of LGG to temozolomide and the responsiveness of immune checkpoint blockade. In conclusion, our results revealed the molecular basis of LGG, provided valuable clues for our understanding of m5C-related lncRNAs, and filled a gap between epigenetics and tumor microenvironment.
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Affiliation(s)
- Jiheng Zhang
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
- Department of Neurosurgery, Emergency Medicine Center, Zhejiang Provincial People’s Hospital, Affiliated to Hangzhou Medical College, Hangzhou, China
| | - Nan Wang
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
- Department of Neurosurgery, Emergency Medicine Center, Zhejiang Provincial People’s Hospital, Affiliated to Hangzhou Medical College, Hangzhou, China
| | - Jiasheng Wu
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Xin Gao
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Hongtao Zhao
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
- Department of Neurosurgery, Emergency Medicine Center, Zhejiang Provincial People’s Hospital, Affiliated to Hangzhou Medical College, Hangzhou, China
| | - Zhihui Liu
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
- Department of Neurosurgery, Emergency Medicine Center, Zhejiang Provincial People’s Hospital, Affiliated to Hangzhou Medical College, Hangzhou, China
| | - Xiuwei Yan
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
- Department of Neurosurgery, Emergency Medicine Center, Zhejiang Provincial People’s Hospital, Affiliated to Hangzhou Medical College, Hangzhou, China
| | - Jiawei Dong
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
- Department of Neurosurgery, Emergency Medicine Center, Zhejiang Provincial People’s Hospital, Affiliated to Hangzhou Medical College, Hangzhou, China
| | - Fang Wang
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
- Department of Neurosurgery, Emergency Medicine Center, Zhejiang Provincial People’s Hospital, Affiliated to Hangzhou Medical College, Hangzhou, China
| | - Yixu Ba
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Shuai Ma
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Jiaqi Jin
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Jianyang Du
- Department of Neurosurgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Hang Ji
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
- Department of Neurosurgery, Emergency Medicine Center, Zhejiang Provincial People’s Hospital, Affiliated to Hangzhou Medical College, Hangzhou, China
- *Correspondence: Shaoshan Hu, ; Hang Ji,
| | - Shaoshan Hu
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
- Department of Neurosurgery, Emergency Medicine Center, Zhejiang Provincial People’s Hospital, Affiliated to Hangzhou Medical College, Hangzhou, China
- *Correspondence: Shaoshan Hu, ; Hang Ji,
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Yang Q, Hao J, Chi M, Wang Y, Li J, Huang J, Zhang J, Zhang M, Lu J, Zhou S, Yuan T, Shen Z, Zheng S, Guo C. D2HGDH-mediated D2HG catabolism enhances the anti-tumor activities of CAR-T cells in an immunosuppressive microenvironment. Mol Ther 2022; 30:1188-1200. [PMID: 35007759 PMCID: PMC8899596 DOI: 10.1016/j.ymthe.2022.01.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 08/31/2021] [Accepted: 01/05/2022] [Indexed: 10/19/2022] Open
Abstract
The effect of immunotherapy is limited by oncometabolite D-2-hydroxyglutarate (D2HG). D2HGDH is an inducible enzyme that converts D2HG into the endogenous metabolite 2-oxoglutarate. We aimed to evaluate the impairment of CD8 T lymphocyte function in the high-D2HG environment and to explore the phenotypic features and anti-tumor effect of D2HGDH-modified CAR-T cells. D2HG treatment inhibited the expansion of human CD8 T lymphocytes and CAR-T cells, increased their glucose uptake, suppressed effector cytokine production, and decreased the central memory cell proportion. D2HGDH-modified CAR-T cells displayed distinct phenotypes, as D2HGDH knock-out (KO) CAR-T cells exhibited a significant decrease in central memory cell differentiation and intracellular cytokine production, while D2HGDH over-expression (OE) CAR-T cells showed predominant killing efficacy against NALM6 cancer cells in high-D2HG medium. In vivo xenograft experiments confirmed that D2HGDH-OE CAR-T cells decreased serum D2HG and improved the overall survival of mice bearing NALM6 cancer cells with mutation IDH1. Our findings demonstrated that the immunosuppressive effect of D2HG and distinct phenotype of D2HGDH modified CAR-T cells. D2HGDH-OE CAR-T cells can take advantage of the catabolism of D2HG to foster T cell expansion, function, and anti-tumor effectiveness.
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Affiliation(s)
- Quanjun Yang
- Department of Pharmacy, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Juan Hao
- Department of Endocrinology, Shanghai Traditional Chinese Medicine-Integrated Hospital, Shanghai University of Traditional Chinese Medicine, 230 Baoding Road, Shanghai 200082, China
| | - Mengyi Chi
- Department of Pharmacy, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Yaxian Wang
- Department of Pharmacy, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Jie Li
- Department of Pharmacy, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Jinlu Huang
- Department of Pharmacy, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Jianping Zhang
- Department of Pharmacy, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Mengqi Zhang
- Department of Pharmacy, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Jin Lu
- Department of Pharmacy, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Shumin Zhou
- Institution of Microsurgery on Extremities, Shanghai Jiao Tong University affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Ting Yuan
- Department of Bone Oncology, Shanghai Jiao Tong University, affiliated Sixth People's Hospital, Shanghai, Shanghai 200233, China
| | - Zan Shen
- Department of Oncology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Shuier Zheng
- Department of Oncology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Cheng Guo
- Department of Pharmacy, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China.
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Codrici E, Popescu ID, Tanase C, Enciu AM. Friends with Benefits: Chemokines, Glioblastoma-Associated Microglia/Macrophages, and Tumor Microenvironment. Int J Mol Sci 2022; 23:ijms23052509. [PMID: 35269652 PMCID: PMC8910233 DOI: 10.3390/ijms23052509] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 02/17/2022] [Accepted: 02/22/2022] [Indexed: 12/19/2022] Open
Abstract
Glioma is the most common primary intracranial tumor and has the greatest prevalence of all brain tumors. Treatment resistance and tumor recurrence in GBM are mostly explained by considerable alterations within the tumor microenvironment, as well as extraordinary cellular and molecular heterogeneity. Soluble factors, extracellular matrix components, tissue-resident cell types, resident or newly recruited immune cells together make up the GBM microenvironment. Regardless of many immune cells, a profound state of tumor immunosuppression is supported and developed, posing a considerable hurdle to cancer cells' immune-mediated destruction. Several studies have suggested that various GBM subtypes present different modifications in their microenvironment, although the importance of the microenvironment in treatment response has yet to be determined. Understanding the microenvironment and how it changes after therapies is critical because it can influence the remaining invasive GSCs and lead to recurrence. This review article sheds light on the various components of the GBM microenvironment and their roles in tumoral development, as well as immune-related biological processes that support the interconnection/interrelationship between different cell types. Also, we summarize the current understanding of the modulation of soluble factors and highlight the dysregulated inflammatory chemokine/specific receptors cascades/networks and their significance in tumorigenesis, cancer-related inflammation, and metastasis.
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Affiliation(s)
- Elena Codrici
- Victor Babes National Institute of Pathology, 050096 Bucharest, Romania;
- Correspondence: (E.C.); (I.-D.P.); (A.-M.E.)
| | - Ionela-Daniela Popescu
- Victor Babes National Institute of Pathology, 050096 Bucharest, Romania;
- Correspondence: (E.C.); (I.-D.P.); (A.-M.E.)
| | - Cristiana Tanase
- Victor Babes National Institute of Pathology, 050096 Bucharest, Romania;
- Department of Clinical Biochemistry, Faculty of Medicine, Titu Maiorescu University, 031593 Bucharest, Romania
| | - Ana-Maria Enciu
- Victor Babes National Institute of Pathology, 050096 Bucharest, Romania;
- Department of Cell Biology and Histology, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania
- Correspondence: (E.C.); (I.-D.P.); (A.-M.E.)
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Innovating Strategies and Tailored Approaches in Neuro-Oncology. Cancers (Basel) 2022; 14:cancers14051124. [PMID: 35267432 PMCID: PMC8909701 DOI: 10.3390/cancers14051124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/11/2022] [Accepted: 02/18/2022] [Indexed: 01/25/2023] Open
Abstract
Diffuse gliomas, the most frequent and aggressive primary central nervous system neoplasms, currently lack effective curative treatments, particularly for cases lacking the favorable prognostic marker IDH mutation. Nonetheless, advances in molecular biology allowed to identify several druggable alterations in a subset of IDH wild-type gliomas, such as NTRK and FGFR-TACC fusions, and BRAF hotspot mutations. Multi-tyrosine kinase inhibitors, such as regorafenib, also showed efficacy in the setting of recurrent glioblastoma. IDH inhibitors are currently in the advanced phase of clinical evaluation for patients with IDH-mutant gliomas. Several immunotherapeutic approaches, such as tumor vaccines or checkpoint inhibitors, failed to improve patients' outcomes. Even so, they may be still beneficial in a subset of them. New methods, such as using pulsed ultrasound to disrupt the blood-brain barrier, gene therapy, and oncolytic virotherapy, are well tolerated and may be included in the therapeutic armamentarium soon.
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83
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Zhou F, Shi Q, Fan X, Yu R, Wu Z, Wang B, Tian W, Yu T, Pan M, You Y, Wang Y. Diverse Macrophages Constituted the Glioma Microenvironment and Influenced by PTEN Status. Front Immunol 2022; 13:841404. [PMID: 35265085 PMCID: PMC8899089 DOI: 10.3389/fimmu.2022.841404] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 01/31/2022] [Indexed: 12/17/2022] Open
Abstract
The glioma immune microenvironment (GIM), consisting of glioma cells, stromal cells, and immune cells, accelerates the initiation, development, immune evasion, chemoresistance, and radioresistance of glioblastoma (GBM), whereas the immunosuppressive mechanisms of GBM have not been thoroughly elucidated to date. The glioma data downloaded from The Cancer Genome Atlas (TCGA) and the Chinese Glioma Genome Atlas (CGGA) databases were used to evaluate the composition of tumor-infiltrating immune cells (TICs) by the CIBERSORT algorithm. RNA-seq datasets from the TCGA and CGGA were used to analyze the relationship between immune scores with patients’ characteristics and TICs, which showed higher ratios of tumor-inhibiting/tumor-promoting signatures (M2/M1 macrophages) along with higher immune scores. The distribution of TICs among different glioma patients and the correlation with hazard ratio (HR) analysis suggested that M2 macrophages were abundant in malignant gliomas and indicated an unfavorable prognosis. We further analyzed TCGA cases with available mutation and copy-number alteration information, which showed that the status of PTEN could influence the immune microenvironment of glioma patients. Tissue microarrays of 39 GBM patients were carried out to confirm the clinical significance of PTEN and macrophage markers. We found that the high expression of PTEN was associated with a more extended survival period of glioma patients, positively correlated with M2 macrophages and negatively with M1 macrophages. Transwell and flow cytometry analyses demonstrated that PTEN status could prevent M1 to M2 polarization and M2 macrophage recruitment of gliomas in vitro. The newly discovered immunoregulatory activity of PTEN opens innovative avenues for investigations relevant to counteracting cancer development and progression.
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Affiliation(s)
- Fengqi Zhou
- Department of Neurosurgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Qinyu Shi
- Department of Neurosurgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Xiao Fan
- Department of Neurosurgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Ruilei Yu
- Department of Radiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Zhiqiang Wu
- Department of Neurosurgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Binbin Wang
- Department of Neurosurgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Wei Tian
- Department of Neurosurgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Tianfu Yu
- Department of Neurosurgery, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China
| | - Minhong Pan
- Department of Pathology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- *Correspondence: Yingyi Wang, ; Yongping You, ; Minhong Pan,
| | - Yongping You
- Department of Neurosurgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- *Correspondence: Yingyi Wang, ; Yongping You, ; Minhong Pan,
| | - Yingyi Wang
- Department of Neurosurgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- *Correspondence: Yingyi Wang, ; Yongping You, ; Minhong Pan,
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84
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Yates J, Boeva V. Deciphering the etiology and role in oncogenic transformation of the CpG island methylator phenotype: a pan-cancer analysis. Brief Bioinform 2022; 23:6520307. [PMID: 35134107 PMCID: PMC8921629 DOI: 10.1093/bib/bbab610] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 12/06/2021] [Accepted: 12/30/2021] [Indexed: 12/25/2022] Open
Abstract
Numerous cancer types have shown to present hypermethylation of CpG islands, also known as a CpG island methylator phenotype (CIMP), often associated with survival variation. Despite extensive research on CIMP, the etiology of this variability remains elusive, possibly due to lack of consistency in defining CIMP. In this work, we utilize a pan-cancer approach to further explore CIMP, focusing on 26 cancer types profiled in the Cancer Genome Atlas (TCGA). We defined CIMP systematically and agnostically, discarding any effects associated with age, gender or tumor purity. We then clustered samples based on their most variable DNA methylation values and analyzed resulting patient groups. Our results confirmed the existence of CIMP in 19 cancers, including gliomas and colorectal cancer. We further showed that CIMP was associated with survival differences in eight cancer types and, in five, represented a prognostic biomarker independent of clinical factors. By analyzing genetic and transcriptomic data, we further uncovered potential drivers of CIMP and classified them in four categories: mutations in genes directly involved in DNA demethylation; mutations in histone methyltransferases; mutations in genes not involved in methylation turnover, such as KRAS and BRAF; and microsatellite instability. Among the 19 CIMP-positive cancers, very few shared potential driver events, and those drivers were only IDH1 and SETD2 mutations. Finally, we found that CIMP was strongly correlated with tumor microenvironment characteristics, such as lymphocyte infiltration. Overall, our results indicate that CIMP does not exhibit a pan-cancer manifestation; rather, general dysregulation of CpG DNA methylation is caused by heterogeneous mechanisms.
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Affiliation(s)
- Josephine Yates
- Institute for Machine Learning, Department of Computer Science, ETH Zürich, Zurich 8092, Switzerland
| | - Valentina Boeva
- Institute for Machine Learning, Department of Computer Science, ETH Zürich, Zurich 8092, Switzerland.,Swiss Institute for Bioinformatics (SIB), Zürich, Switzerland.,Cochin Institute, Inserm U1016, CNRS UMR 8104, Paris Descartes University UMR-S1016, Paris 75014, France
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85
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Zhang X, Kim WJ, Rao AV, Jaman E, Deibert CP, Sandlesh P, Krueger K, Allen JC, Amankulor NM. In vivo efficacy of decitabine as a natural killer cell-mediated immunotherapy against isocitrate dehydrogenase mutant gliomas. Neurosurg Focus 2022; 52:E3. [PMID: 35104792 DOI: 10.3171/2021.11.focus21489] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Accepted: 11/17/2021] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Isocitrate dehydrogenase (IDH) mutations are found in more than 80% of low-grade gliomas and in the majority of secondary glioblastomas. IDH mutation (IDHmut) leads to aberrant production of an oncogenic metabolite that promotes epigenetic dysregulation by inducing hypermethylation to suppress transcription of various tumor suppressor genes. Hypermethylation in IDHmut gliomas leads to transcriptional repression of NKG2D ligands, especially UL16-binding protein (ULBP)-1 and ULBP-3, and subsequent evasion of natural killer (NK) cell-mediated lysis. The demethylating agent 5-aza-2'deoxycytodine (decitabine [DAC]) is a DNA methyltransferase 1 inhibitor that prevents hypermethylation and is capable of restoring NKG2D ligand expression in IDHmut gliomas to resensitize them to NK cells. Given its capacity for sustained epigenetic reprogramming, the authors hypothesized that DCA would be an effective immunotherapeutic agent in treating IDHmut gliomas in an NK cell-dependent manner by upregulating epigenetically repressed activating NKG2D ligands in IDHmut tumors. In this study, the authors sought to use a glioma stem cell, preclinical animal model to determine the efficacy of DAC in IDHmut and IDH wild-type (IDHwt) tumors, and to characterize whether the activity of DAC in gliomas is dependent on NK cell function. METHODS Xenograft models of IDHwt and IDHmut gliomas were established in athymic-nude mice. When tumors were grossly visible and palpable, mice were treated with either DCA or dimethylsulfoxide intraperitoneally every 7 days. Tumor sizes were measured every 2 to 3 days. After the animals were euthanized, xenografts were harvested and analyzed for the following: tumor expression of NKG2D ligands, tumor susceptibility to human and murine NK cells, immunohistochemistry for NK infiltration, and tumor-infiltrating lymphocyte characterization. RESULTS DAC significantly inhibited the growth of IDHmut xenografts in the athymic nude mice. This effect was abrogated with NK cell depletion. Ex vivo analysis of tumor cells from harvested xenografts confirmed that DAC increased NKG2D ligand ULBP-1 and ULBP-3 expressions, and enhanced susceptibility to lysis of both human and murine IDHmut glial cells with corresponding NK cells. Immunohistochemical analysis of the xenografts indicated that DCA-treated IDHmut gliomas had a greater level of NK infiltration into the tumor compared with the negative control. Finally, DCA radically altered the tumor-infiltrating lymphocyte landscape of IDHmut glioma xenografts by increasing NK cells, dendritic cells, and M1 macrophages, while decreasing suppressive monocyte infiltration. CONCLUSIONS DCA displayed novel immunotherapeutic functions in IDHmut gliomas. This effect was critically dependent on NK cells. Additionally, DCA significantly altered the tumor immune landscape in IDHmut gliomas from suppressive to proinflammatory.
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Affiliation(s)
- Xiaoran Zhang
- 1Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh
| | - Wi Jin Kim
- 2Department of Neurological Surgery, University of California, Los Angeles, California
| | - Aparna V Rao
- 1Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh
| | - Emade Jaman
- 3University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania; and
| | | | - Poorva Sandlesh
- 1Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh
| | - Katharine Krueger
- 1Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh
| | - Jordan C Allen
- 1Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh
| | - Nduka M Amankulor
- 1Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh
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86
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DLL3 expression and methylation are associated with lower-grade glioma immune microenvironment and prognosis. Genomics 2022; 114:110289. [DOI: 10.1016/j.ygeno.2022.110289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 12/06/2021] [Accepted: 01/31/2022] [Indexed: 11/20/2022]
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87
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Gaudy-Marqueste C, Macagno N, Loundou A, Pellegrino E, Ouafik L, Budden T, Mundra P, Gremel G, Akhras V, Lin L, Cook M, Kumar R, Grob JJ, Nagore E, Marais R, Virós A. Molecular characterization of fast-growing melanomas. J Am Acad Dermatol 2022; 86:312-321. [PMID: 34280484 DOI: 10.1016/j.jaad.2021.07.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 06/30/2021] [Accepted: 07/01/2021] [Indexed: 11/20/2022]
Abstract
BACKGROUND The rate of growth of primary melanoma is a robust predictor of aggressiveness, but the mutational profile of fast-growing melanomas (FGMM) and the potential to stratify patients at high risk of death has not been comprehensively studied. OBJECTIVE To investigate the epidemiologic, clinical, and mutational profile of primary cutaneous melanomas with a thickness ≥ 1 mm, stratified by rate of growth. METHODS Observational prospective study. Deep-targeted sequencing of 40 melanoma driver genes on formalin fixed, paraffin-embedded primary melanoma samples. Comparison of FGMM (rate of growth > 0.5 mm/month) and nonFGMM (rate of growth ≤ 0.5 mm/month). RESULTS Two hundred patients were enrolled, among wom 70 had FGMM. The relapse-free survival was lower in the FGMM group (P = .014). FGMM had a higher number of predicted deleterious mutations within the 40 genes than nonFGMM (P = .033). Ulceration (P = .032), thickness (P = .006), lower sun exposure (P = .049), and fibroblast growth factor receptor 2 (FGFR2) mutations (P = .037) were significantly associated with fast growth. LIMITATIONS Single-center study, cohort size, potential memory bias, number of investigated genes. CONCLUSION Fast growth is linked to specific tumor biology and environmental factors. Ulceration, thickness, and FGFR2 mutations are associated with fast growth. Screening for FGFR2 mutations might provide an additional tool to better identify FGMM, which are probably good candidates for adjuvant therapies.
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Affiliation(s)
- Caroline Gaudy-Marqueste
- Aix Marseille University, Assistance Publique des Hopitaux de Marseille, Centre de Recherche en Cancérologie de Marseille Insitut National de la Santé Et de la Recherche Médicale U1068, Centre National de la Recherche Scientifique U7258, Centre Hospitalo-Universitaire Timone, Dermatology and Skin Cancer Department, Marseille, France.
| | - Nicolas Macagno
- Aix Marseille University, Assistance Publique des Hopitaux de Marseille, Insitut National de la Santé Et de la Recherche Médicale, Marseille Medical Genetics, Centre Hospitalo-Universitaire Timone, Department of Pathology, Marseille, France
| | - Anderson Loundou
- Aix Marseille University, Santé Publique et Maladie Chroniques EA3279, Clinical Research Unit, Department of Public Health, Marseille, France
| | - Eric Pellegrino
- Aix Marseille Univ, Assistance Publique des Hopitaux de Marseille, Centre National de la Recherche Scientifique, Institute of NeuroPhysiopathology, Faculté de Médecine Secteur Nord, Service de Transfert d'Oncologie Biologique, Marseille, France
| | - L'houcine Ouafik
- Aix Marseille Univ, Assistance Publique des Hopitaux de Marseille, Centre National de la Recherche Scientifique, Institute of NeuroPhysiopathology, Faculté de Médecine Secteur Nord, Service de Transfert d'Oncologie Biologique, Marseille, France
| | - Timothy Budden
- Skin Cancer and Ageing Lab, Cancer Research United Kingdom Manchester Institute, The University of Manchester, Manchester, United Kingdom
| | - Piyushkumar Mundra
- Molecular Oncology, Cancer Research UK Manchester Institute, University of Manchester, Manchester, United Kingdom
| | - Gabriela Gremel
- Molecular Oncology, Cancer Research UK Manchester Institute, University of Manchester, Manchester, United Kingdom
| | - Victoria Akhras
- Department of Dermatology, St. George's National Health Service Foundation Trust, London, United Kingdom
| | - Lijing Lin
- Division of Informatics, Imaging and Data Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
| | - Martin Cook
- Molecular Oncology, Cancer Research UK Manchester Institute, University of Manchester, Manchester, United Kingdom
| | - Rajiv Kumar
- Division of Functional Genome Analysis, German Cancer Research Center, Heidelberg, Germany
| | - Jean-Jacques Grob
- Aix Marseille University, Assistance Publique des Hopitaux de Marseille, Centre de Recherche en Cancérologie de Marseille Insitut National de la Santé Et de la Recherche Médicale U1068, Centre National de la Recherche Scientifique U7258, Centre Hospitalo-Universitaire Timone, Dermatology and Skin Cancer Department, Marseille, France
| | - Eduardo Nagore
- Department of Dermatology, Instituto Valenciano Oncología, València, Spain
| | - Richard Marais
- Molecular Oncology, Cancer Research UK Manchester Institute, University of Manchester, Manchester, United Kingdom
| | - Amaya Virós
- Skin Cancer and Ageing Lab, Cancer Research United Kingdom Manchester Institute, The University of Manchester, Manchester, United Kingdom.
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88
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Bunse L, Platten M. How mutant isocitrate dehydrogenase orchestrates immune cells. Neuro Oncol 2022; 24:210-212. [PMID: 34919146 PMCID: PMC8804880 DOI: 10.1093/neuonc/noab266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Lukas Bunse
- DKTK Clinical Cooperation Unit Neuroimmunology and Brain Tumor Immunology, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Department of Neurology, MCTN, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Michael Platten
- DKTK Clinical Cooperation Unit Neuroimmunology and Brain Tumor Immunology, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Department of Neurology, MCTN, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Helmholtz Institute of Translational Oncology (HI-TRON), Mainz, Germany
- Immune Monitoring Unit, National Center for Tumor Diseases (NCT), Heidelberg, Germany
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89
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Richardson LG, Miller JJ, Kitagawa Y, Wakimoto H, Choi BD, Curry WT. Implications of IDH mutations on immunotherapeutic strategies for malignant glioma. Neurosurg Focus 2022; 52:E6. [DOI: 10.3171/2021.11.focus21604] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 11/19/2021] [Indexed: 11/06/2022]
Abstract
Immunotherapy has emerged as a promising approach for treating aggressive solid tumors, even within the CNS. Mutation in the metabolic gene isocitrate dehydrogenase 1 (IDH1) represents not only a major glioma defining biomarker but also an attractive therapeutic neoantigen. As patients with IDH-mutant glioma enter early-phase vaccine and immune checkpoint inhibitor clinical trials, there is emerging evidence that implicates the oncometabolite, 2-hydroxyglutarate (2HG), generated by the neomorphic activity of mutant IDH, as a potential barrier to current immunotherapeutic approaches. Here, the authors review the immunomodulatory and immunosuppressive roles of 2HG within the unique IDH-mutant glioma tumor immune microenvironment and discuss promising immunotherapeutic approaches currently being investigated in preclinical models.
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Affiliation(s)
- Leland G. Richardson
- Translational Brain Tumor Immunology Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts; and
| | - Julie J. Miller
- Pappas Center for Neuro-Oncology, Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Yosuke Kitagawa
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts; and
| | - Hiroaki Wakimoto
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts; and
| | - Bryan D. Choi
- Translational Brain Tumor Immunology Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts; and
| | - William T. Curry
- Translational Brain Tumor Immunology Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts; and
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90
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Huang LE. Impact of CDKN2A/B Homozygous Deletion on the Prognosis and Biology of IDH-Mutant Glioma. Biomedicines 2022; 10:biomedicines10020246. [PMID: 35203456 PMCID: PMC8869746 DOI: 10.3390/biomedicines10020246] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 01/20/2022] [Accepted: 01/20/2022] [Indexed: 12/13/2022] Open
Abstract
Although hotspot mutations in isocitrate dehydrogenase (IDH) genes are associated with favorable clinical outcomes in glioma, CDKN2A/B homozygous deletion has been identified as an independent predicator of poor prognosis. Accordingly, the 2021 edition of the World Health Organization (WHO) classification of tumors of the central nervous system (CNS) has adopted this molecular feature by upgrading IDH-mutant astrocytoma to CNS WHO grade IV, even in the absence of glioblastoma-specific histological features—necrosis and microvascular proliferation. This new entity of IDH-mutant astrocytoma not only signifies an exception to the generally favorable outcome of IDH-mutant glioma, but also brings into question whether, and, if so, how, CDKN2A/B homozygous deletion overrides the anti-tumor activity of IDH mutation by promoting the proliferation of stem/neural progenitor-like cells. Understanding the mechanism by which IDH mutation requires intact tumor-suppressor genes for conferring favorable outcome may improve therapeutics.
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Affiliation(s)
- L. Eric Huang
- Department of Neurosurgery, Clinical Neurosciences Center, University of Utah, Salt Lake City, UT 84132, USA;
- Department of Oncological Sciences, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT 84112, USA
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91
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Schulten HJ, Al-Adwani F, Saddeq HAB, Alkhatabi H, Alganmi N, Karim S, Hussein D, Al-Ghamdi KB, Jamal A, Al-Maghrabi J, Al-Qahtani MH. Meta-analysis of whole-genome gene expression datasets assessing the effects of IDH1 and IDH2 mutations in isogenic disease models. Sci Rep 2022; 12:57. [PMID: 34997121 PMCID: PMC8741954 DOI: 10.1038/s41598-021-04214-7] [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: 12/22/2020] [Accepted: 12/16/2021] [Indexed: 11/10/2022] Open
Abstract
Mutations in isocitrate dehydrogenase 1 (IDH1) and IDH2 are oncogenic drivers to a variable extent in several tumors, including gliomas, acute myeloid leukemia (AML), cholangiocarcinoma, melanoma, and thyroid carcinoma. The pathobiological effects of these mutations vary considerably, impeding the identification of common expression profiles. We performed an expression meta-analysis between IDH-mutant (IDHmut) and IDH-wild-type (IDHwt) conditions in six human and mouse isogenic disease models. The datasets included colon cancer cells, glioma cells, heart tissue, hepatoblasts, and neural stem cells. Among differentially expressed genes (DEGs), serine protease 23 (PRSS23) was upregulated in four datasets, i.e., in human colon carcinoma cells, mouse heart tissue, mouse neural stem cells, and human glioma cells. Carbonic anhydrase 2 (CA2) and prolyl 3-hydroxylase 2 (P3H2) were upregulated in three datasets, and SOX2 overlapping transcript (SOX2-OT) was downregulated in three datasets. The most significantly overrepresented protein class was termed intercellular signal molecules. An additional DEG set contained genes that were both up- and downregulated in different datasets and included oxidases and extracellular matrix structural proteins as the most significantly overrepresented protein classes. In conclusion, this meta-analysis provides a comprehensive overview of the expression effects of IDH mutations shared between different isogenic disease models. The generated dataset includes biomarkers, e.g., PRSS23 that may gain relevance for further research or clinical applications in IDHmut tumors.
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Affiliation(s)
- Hans-Juergen Schulten
- Center of Excellence in Genomic Medicine Research, Department of Medical Laboratory Technology, Faculty of Applied Medical Science, King Abdulaziz University, P.O. Box 80216, Jeddah, 21589, Saudi Arabia.
| | - Fatima Al-Adwani
- Center of Excellence in Genomic Medicine Research, Department of Medical Laboratory Technology, Faculty of Applied Medical Science, King Abdulaziz University, P.O. Box 80216, Jeddah, 21589, Saudi Arabia
| | - Haneen A Bin Saddeq
- Department of Medical Laboratory Technology, Faculty of Applied Medical Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Heba Alkhatabi
- Center of Excellence in Genomic Medicine Research, Department of Medical Laboratory Technology, Faculty of Applied Medical Science, King Abdulaziz University, P.O. Box 80216, Jeddah, 21589, Saudi Arabia.,Department of Medical Laboratory Technology, Faculty of Applied Medical Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Nofe Alganmi
- Center of Excellence in Genomic Medicine Research, Department of Medical Laboratory Technology, Faculty of Applied Medical Science, King Abdulaziz University, P.O. Box 80216, Jeddah, 21589, Saudi Arabia.,Department of Computer Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Sajjad Karim
- Center of Excellence in Genomic Medicine Research, Department of Medical Laboratory Technology, Faculty of Applied Medical Science, King Abdulaziz University, P.O. Box 80216, Jeddah, 21589, Saudi Arabia
| | - Deema Hussein
- King Fahad Medical Research Center, Department of Medical Laboratory Technology, Faculty of Applied Medical Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Khalid B Al-Ghamdi
- Department of Otolaryngology, Head and Neck Surgery, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Awatif Jamal
- Department of Pathology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Jaudah Al-Maghrabi
- Department of Pathology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia.,Department of Pathology, King Faisal Specialist Hospital and Research Center, Jeddah, Saudi Arabia
| | - Mohammed H Al-Qahtani
- Center of Excellence in Genomic Medicine Research, Department of Medical Laboratory Technology, Faculty of Applied Medical Science, King Abdulaziz University, P.O. Box 80216, Jeddah, 21589, Saudi Arabia
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Liu Z, Ji H, Fu W, Ma S, Zhao H, Wang F, Dong J, Yan X, Zhang J, Wang N, Wu J, Hu S. IGFBPs were associated with stemness, inflammation, extracellular matrix remodeling and poor prognosis of low-grade glioma. Front Endocrinol (Lausanne) 2022; 13:943300. [PMID: 35992105 PMCID: PMC9381844 DOI: 10.3389/fendo.2022.943300] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 07/01/2022] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND The IGFBP family of insulin-like growth factor binding proteins has important biological functions in the organism. However, the role of the IGFBP family in low-grade glioma (LGG) has not been fully explored. METHODS We validated the clinical value of the IGFBP family using RNA-seq and clinical data of LGG in the TCGA and constructed an IGFBPScore using LASSO-regression analysis for prognosis prediction, subtype determination, and treatment sensitivity determination. Subsequently, we explored the role of the IGFBP family in the development of LGG using PanCanAtlas data. RESULTS Our results suggest that most IGFBP family members were aberrantly expressed and were strongly associated with poor prognosis in LGG. By constructing an IGFBPScore representing the IGFBP family, we found that tumor samples with a high IGFBPScore had a glioblastoma-like mutation pattern characterized by IDH1wt, EGFRmut, PTENmut, and NF1mut with hypo-methylation and glioma stem cell (GSC) diversity. In contrast, the low IGFBPScore group was characterized by IDH1mut accompanied by TP53mut, CICmut, and ATRXmut, and had hyper-methylation status as well as the GSC restriction. Additionally, the high-IGFBPScore group had a high inflammation phenotype with increased immune antigenicity and increased infiltration of immune molecules and cells, as well as a high extracellular matrix phenotype and enhanced multiple metabolic pathways compared with the immune-quiet phenotype of the low-IGFBPScore group, which was strongly associated with poor prognosis. CONCLUSION Our study provides a summary analysis and a theoretical basis for the biological role and clinical value of the IGFBP family in LGG, providing an important therapeutic target for LGG.
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Affiliation(s)
- Zhihui Liu
- Department of Neurosurgery, Cancer Center, Zhejiang Provincial People’s Hospital Affiliated to Hangzhou Medical College, Hangzhou, China
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
- The Key Laboratory of Myocardial Ischemia, Ministry of Education, Harbin, China
| | - Hang Ji
- Department of Neurosurgery, West China Hospital, Sichuan University, Sichuan, China
- *Correspondence: Hang Ji, ; Jiasheng Wu, ; Shaoshan Hu,
| | - Wenchao Fu
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
- The Key Laboratory of Myocardial Ischemia, Ministry of Education, Harbin, China
| | - Shuai Ma
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Hongtao Zhao
- Department of Neurosurgery, Cancer Center, Zhejiang Provincial People’s Hospital Affiliated to Hangzhou Medical College, Hangzhou, China
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
- The Key Laboratory of Myocardial Ischemia, Ministry of Education, Harbin, China
| | - Fang Wang
- Department of Neurosurgery, Cancer Center, Zhejiang Provincial People’s Hospital Affiliated to Hangzhou Medical College, Hangzhou, China
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Jiawei Dong
- Department of Neurosurgery, Cancer Center, Zhejiang Provincial People’s Hospital Affiliated to Hangzhou Medical College, Hangzhou, China
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Xiuwei Yan
- Department of Neurosurgery, Cancer Center, Zhejiang Provincial People’s Hospital Affiliated to Hangzhou Medical College, Hangzhou, China
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Jiheng Zhang
- Department of Neurosurgery, Cancer Center, Zhejiang Provincial People’s Hospital Affiliated to Hangzhou Medical College, Hangzhou, China
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Nan Wang
- Department of Neurosurgery, Cancer Center, Zhejiang Provincial People’s Hospital Affiliated to Hangzhou Medical College, Hangzhou, China
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Jiasheng Wu
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
- *Correspondence: Hang Ji, ; Jiasheng Wu, ; Shaoshan Hu,
| | - Shaoshan Hu
- Department of Neurosurgery, Cancer Center, Zhejiang Provincial People’s Hospital Affiliated to Hangzhou Medical College, Hangzhou, China
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
- *Correspondence: Hang Ji, ; Jiasheng Wu, ; Shaoshan Hu,
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Ali SMA, Shamim MS, Enam SA, Ahmad Z, Adnan Y, Farooqui HA. Immunohistochemical Detection and Prognostic Significance of p53, Epidermal Growth Factor Receptor, Murine Double Minute 2, and Isocitrate Dehydrogenase 1 in Glioblastoma Multiforme Patients of Pakistan. CLINICAL MEDICINE INSIGHTS: ONCOLOGY 2022; 16:11795549221119107. [PMID: 36035640 PMCID: PMC9403472 DOI: 10.1177/11795549221119107] [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: 02/17/2022] [Accepted: 07/14/2022] [Indexed: 11/28/2022] Open
Abstract
Introduction: Glioblastoma multiforme (GBM) is one of the deadliest cranial tumors
occurring in adults. Various biomarkers have been tested for their
significance in diagnosis, prognosis, and treatment of GBM. Some
well-studied markers in GBM are Isocitrate dehydrogenase 1 (IDH1), Murine
double minute 2 (MDM2), Epidermal Growth Factor Receptor (EGFR), and p53.
The aim of this study was to investigate the protein expression of these
markers in GBM patients of Pakistan. Methods: A total of 102 surgically resected formalin-fixed paraffin-embedded specimens
from patients diagnosed and treated at Aga Khan University Hospital were
included in this study. Immunohistochemistry (IHC) for IDH1, MDM2, EGFR, and
p53 was performed using Dako EnVision System and respective monoclonal
antibodies. Survival analysis was performed to check association of markers
protein expression with prognosis in GBM patients. Results: There were 73 males and 29 females in this study, with a median age of 49
years at the time diagnosis. Overexpression of molecular markers was as
follows: 52% for EGFR, 26% for p53, 72% for IDH1, and 83% for MDM2. We did
observe that EGFR was significantly associated with increased age of our
patients and with worse survival. Age > 40 years was a predictor for
worse prognosis as well. Conclusion: EGFR overexpression and advanced age were worse prognostic indicators.
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Affiliation(s)
| | - Muhammad Shahzad Shamim
- Section of Neurosurgery, Department of Surgery, The Aga Khan University Hospital, Karachi, Pakistan
| | - Syed Ather Enam
- Section of Neurosurgery, Department of Surgery, The Aga Khan University Hospital, Karachi, Pakistan
| | - Zubair Ahmad
- Section of Histopathology, Department of Pathology and Laboratory Medicine, The Aga Khan University, Karachi, Pakistan
| | - Yumna Adnan
- Department of Surgery, The Aga Khan University Hospital, Karachi, Pakistan
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94
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Rao M, Yang Z, Huang K, Liu W, Chai Y. Correlation of AIF-1 Expression with Immune and Clinical Features in 1270 Glioma Samples. J Mol Neurosci 2021; 72:420-432. [PMID: 34939148 DOI: 10.1007/s12031-021-01948-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 11/21/2021] [Indexed: 01/15/2023]
Abstract
AIF-1 gene is surrounded by the genes involved in the inflammatory response and located in the major histocompatibility complex (MHC) class III genomic region. It has been found that microglial cells expressed the AIF-1 gene during all stages of mice brain development. However, the role of AIF-1 remains unclear in glioma. A total of 1270 glioma patients from three independent data sets were enrolled in the study. TIMER platform was used for comprehensive molecular characterization of tumor immune infiltrates. Sangerbox was used to analyze AIF-1 RNA sequencing expression data of tumors and normal samples, and to evaluate the association between AIF-1 expression and 29 sub-populations of immune cells. The R language 3.63 was used to identify differentially expressed genes for Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment. Kaplan-Meier survival analysis and univariate/multivariate Cox analysis were used to examine survival distributions. We found that AIF-1 gene was prominently up-regulated, especially in brain glioma including LGG and GBM. A strong correlation was observed between AIF-1 expression and the majority of immune cells, particularly in macrophage, myeloid-derived suppressor cells. Moreover, AIF-1 expression was correlated with immune infiltration level. We found that AIF-1 expression was strongly correlated with the specific immune and prognostic cell markers of monocytes, microglia and macrophages, M1 macrophages, and M2 macrophages after normalization through tumor purity in TCGA-LGG and TCGA-GBM. Higher expression level of AIF-1 was found to be significantly correlated with poor prognosis. GO analysis and KEGG pathways indicated that AIF-1 could affect glioma-related immune activities. Our study suggests that AIF-1 can be treated as a prognostic biomarker for glioma patients. AIF-1 was involved in pro-tumor processes and the regulation of immune status and correlates with poor prognosis.
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Affiliation(s)
- Minchao Rao
- Department of Oncology, Shangrao People's Hospital, Shangrao, Jiangxi, China
| | - Zihui Yang
- Department of Obstetrics and Gynecology, School of Clinical Medicine, Beijing Tsinghua Changgung Hospital, Tsinghua University, Beijing, 102218, China
| | - Kairong Huang
- Department of Oncology, Shangrao People's Hospital, Shangrao, Jiangxi, China
| | - Wei Liu
- Department of Neurosurgery, The First Hospital of Hebei Medical University, Hebei, 050000, China.
| | - Yi Chai
- Department of Neurosurgery, School of Medicine, Renji Hospital, Shanghai Jiao Tong University, Shanghai, 200127, China.
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95
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Xiao G, Gao X, Li L, Liu C, Liu Z, Peng H, Xia X, Yi X, Zhou R. An Immune-Related Prognostic Signature for Predicting Clinical Outcomes and Immune Landscape in IDH-Mutant Lower-Grade Gliomas. JOURNAL OF ONCOLOGY 2021; 2021:3766685. [PMID: 34961815 PMCID: PMC8710162 DOI: 10.1155/2021/3766685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 11/30/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND IDH mutation is the most common in diffuse LGGs, correlated with a favorable prognosis. However, the IDH-mutant LGGs patients with poor prognoses need to be identified, and the potential mechanism leading to a worse outcome and treatment options needs to be investigated. METHODS A six-gene immune-related prognostic signature in IDH-mutant LGGs was constructed based on two public datasets and univariate, multivariate, and LASSO Cox regression analysis. Patients were divided into low- and high-risk groups based on the median risk score in the training and validation sets. We analyzed enriched pathways and immune cell infiltration, applying the GSEA and the immune evaluation algorithms. RESULTS Stratification and multivariate Cox analysis unveiled that the six-gene signature was an independent prognostic factor. The signature (0.806/0.795/0.822) showed a remarkable prognostic performance, with 1-, 3-, and 5-year time-dependent AUC, higher than for grade (0.612/0.638/0.649) and 1p19q codeletion status (0.606/0.658/0.676). High-risk patients had higher infiltrating immune cells. However, the specific immune escape was observed in the high-risk group after immune activation, owing to increasing immunosuppressive cells, inhibitory cytokines, and immune checkpoint molecules. Moreover, a novel nomogram model was developed to evaluate the survival in IDH-mutant LGGs patients. CONCLUSION The six-gene signature could be a promising prognostic biomarker, which is promising to promote individual therapy and improve the clinical outcomes of IDH-mutant gliomas. The study also refined the current classification system of IDH-mutant gliomas, classifying patients into two subtypes with distinct immunophenotypes and overall survival.
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Affiliation(s)
- Gang Xiao
- Department of Radiation Oncology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Xuan Gao
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
- GenePlus- Shenzhen Clinical Laboratory, Shenzhen 518122, China
| | - Lifeng Li
- Geneplus-Beijing, Beijing 102205, China
| | - Chao Liu
- Department of Radiation Oncology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Zhiyuan Liu
- Department of Radiation Oncology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Haiqin Peng
- Department of Radiation Oncology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | | | - Xin Yi
- Geneplus-Beijing, Beijing 102205, China
| | - Rongrong Zhou
- Department of Radiation Oncology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- Xiangya Lung Cancer Center, Xiangya Hospital, Central South University, Changsha 410008, China
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96
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Gonzalez N, Asad AS, Gómez Escalante J, Peña Agudelo JA, Nicola Candia AJ, García Fallit M, Seilicovich A, Candolfi M. Potential of IDH mutations as immunotherapeutic targets in gliomas: a review and meta-analysis. Expert Opin Ther Targets 2021; 25:1045-1060. [PMID: 34904924 DOI: 10.1080/14728222.2021.2017422] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
INTRODUCTION Gliomas are stratified by the presence of a hotspot mutation in the enzyme isocitrate dehydrogenase genes (IDH1/2). While mutated IDH (mIDH) correlates with better prognosis, the role of this mutation in antitumor immunity and the response to immunotherapy is not completely understood. Understanding the relationship between the genetic features of these tumors and the tumor immune microenvironment (TIME) may help to develop appropriate therapeutic strategies. AREAS COVERED In this review we discussed the available literature related to the potential role of IDH mutations as an immunotherapeutic target in gliomas and profiled the immune transcriptome of glioma biopsies. We aimed to shed light on the role of mIDH on the immunological landscape of the different subtypes of gliomas, taking into account the most recent WHO classification of tumors of the central nervous system (CNS). We also discussed different immunotherapeutic approaches to target mIDH tumors and to overcome their immunosuppressive microenvironment. EXPERT OPINION Data presented here indicates that the TIME not only differs in association with IDH mutation status, but also within glioma subtypes, suggesting that the cellular context affects the overall effect of this genetic lesion. Thus, specific therapeutic combinations may help patients diagnosed with different glioma subtypes.
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Affiliation(s)
- Nazareno Gonzalez
- Instituto de Investigaciones Biomédicas (Inbiomed, Uba-conicet), Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Antonela S Asad
- Instituto de Investigaciones Biomédicas (Inbiomed, Uba-conicet), Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - José Gómez Escalante
- Unidad Funcional de Neurooncologia y Banco de Tumores, Instituto de Oncología Ángel H. Roffo, Buenos Aires, Argentina
| | - Jorge A Peña Agudelo
- Instituto de Investigaciones Biomédicas (Inbiomed, Uba-conicet), Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Alejandro J Nicola Candia
- Instituto de Investigaciones Biomédicas (Inbiomed, Uba-conicet), Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Matías García Fallit
- Instituto de Investigaciones Biomédicas (Inbiomed, Uba-conicet), Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina.,Departamento de Química Biológica, Facultad de Ciencias Exactas Y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Adriana Seilicovich
- Instituto de Investigaciones Biomédicas (Inbiomed, Uba-conicet), Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina.,Departamento de Biología Celular e Histología, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Marianela Candolfi
- Instituto de Investigaciones Biomédicas (Inbiomed, Uba-conicet), Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
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97
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Hernández A, Domènech M, Muñoz-Mármol AM, Carrato C, Balana C. Glioblastoma: Relationship between Metabolism and Immunosuppressive Microenvironment. Cells 2021; 10:cells10123529. [PMID: 34944036 PMCID: PMC8700075 DOI: 10.3390/cells10123529] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Revised: 12/06/2021] [Accepted: 12/10/2021] [Indexed: 12/12/2022] Open
Abstract
Glioblastoma (GBM) is the most aggressive brain tumor in adults and is characterized by an immunosuppressive microenvironment. Different factors shaping this tumor microenvironment (TME) regulate tumor initiation, progression, and treatment response. Genetic alterations and metabolism pathways are two main elements that influence tumor immune cells and TME. In this manuscript, we review how both factors can contribute to an immunosuppressive state and overview the strategies being tested.
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Affiliation(s)
- Ainhoa Hernández
- B·ARGO (Badalona Applied Research Group of Oncology) Medical Oncology Department, Catalan Institute of Oncology Badalona, 08916 Badalona, Spain; (A.H.); (M.D.)
| | - Marta Domènech
- B·ARGO (Badalona Applied Research Group of Oncology) Medical Oncology Department, Catalan Institute of Oncology Badalona, 08916 Badalona, Spain; (A.H.); (M.D.)
| | - Ana M. Muñoz-Mármol
- Pathology Department, Hospital Universitari Germans Trias i Pujol, 08916 Badalona, Spain; (A.M.M.-M.); (C.C.)
| | - Cristina Carrato
- Pathology Department, Hospital Universitari Germans Trias i Pujol, 08916 Badalona, Spain; (A.M.M.-M.); (C.C.)
| | - Carmen Balana
- B·ARGO (Badalona Applied Research Group of Oncology) Medical Oncology Department, Catalan Institute of Oncology Badalona, 08916 Badalona, Spain; (A.H.); (M.D.)
- Correspondence: ; Tel.: +34-4978925
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98
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Tumor Mutation Burden, Expressed Neoantigens and the Immune Microenvironment in Diffuse Gliomas. Cancers (Basel) 2021; 13:cancers13236092. [PMID: 34885201 PMCID: PMC8657099 DOI: 10.3390/cancers13236092] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 11/24/2021] [Accepted: 11/28/2021] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND A consistent correlation between tumor mutation burden (TMB) and tumor immune microenvironment has not been observed in gliomas as in other cancers. METHODS Driver germline and somatic mutations, TMB, neoantigen, and immune cell signatures were analyzed using whole exome sequencing (WES) and transcriptome sequencing of tumor and WES of matched germline DNA in a cohort of 66 glioma samples (44 IDH-mutant and 22 IDH-wildtype). RESULTS Fourteen samples revealed a hypermutator phenotype (HMP). Eight pathogenic (P) or likely pathogenic (LP) germline variants were detected in 9 (19%) patients. Six of these 8 genes were DNA damage repair genes. P/LP germline variants were found in 22% of IDH-mutant gliomas and 12.5% of IDH-wildtype gliomas (p = 0.7). TMB was correlated with expressed neoantigen but showed an inverse correlation with immune score (R = -0.46, p = 0.03) in IDH-wildtype tumors and no correlation in IDH-mutant tumors. The Antigen Processing and Presentation (APP) score correlated with immune score and was surprisingly higher in NHMP versus HMP samples in IDH-wildtype gliomas, but higher in HMP versus NHMP in IDH-mutant gliomas. CONCLUSION TMB was inversely correlated with immune score in IDH-wildtype gliomas and showed no correlation in IDH-mutant tumors. APP was correlated with immune score and may be further investigated as a biomarker for response to immunotherapy in gliomas. Studies of germline variants in a larger glioma cohort are warranted.
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99
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Andersen BM, Faust Akl C, Wheeler MA, Chiocca EA, Reardon DA, Quintana FJ. Glial and myeloid heterogeneity in the brain tumour microenvironment. Nat Rev Cancer 2021; 21:786-802. [PMID: 34584243 PMCID: PMC8616823 DOI: 10.1038/s41568-021-00397-3] [Citation(s) in RCA: 77] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/03/2021] [Indexed: 02/08/2023]
Abstract
Brain cancers carry bleak prognoses, with therapeutic advances helping only a minority of patients over the past decade. The brain tumour microenvironment (TME) is highly immunosuppressive and differs from that of other malignancies as a result of the glial, neural and immune cell populations that constitute it. Until recently, the study of the brain TME was limited by the lack of methods to de-convolute this complex system at the single-cell level. However, novel technical approaches have begun to reveal the immunosuppressive and tumour-promoting properties of distinct glial and myeloid cell populations in the TME, identifying new therapeutic opportunities. Here, we discuss the immune modulatory functions of microglia, monocyte-derived macrophages and astrocytes in brain metastases and glioma, highlighting their disease-associated heterogeneity and drawing from the insights gained by studying these malignancies and other neurological disorders. Lastly, we consider potential approaches for the therapeutic modulation of the brain TME.
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Affiliation(s)
- Brian M Andersen
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
- Center for Neuro-Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Camilo Faust Akl
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Michael A Wheeler
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - E Antonio Chiocca
- Department of Neurosurgery, Brigham and Women's Hospital, Boston, MA, USA
| | - David A Reardon
- Center for Neuro-Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Francisco J Quintana
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
- Broad Institute of MIT and Harvard, Cambridge, MA, USA.
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100
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Wu MJ, Shi L, Dubrot J, Merritt J, Vijay V, Wei TY, Kessler E, Olander KE, Adil R, Pankaj A, Tummala KS, Weeresekara V, Zhen Y, Wu Q, Luo M, Shen W, Garcia-Beccaria M, Fernandez-Vaquero M, Hudson C, Ronseaux S, Sun Y, Saad-Berreta R, Jenkins RW, Wang T, Heikenwalder M, Ferrone CR, Goyal L, Nicolay B, Deshpande V, Kohli RM, Zheng H, Manguso RT, Bardeesy N. Mutant-IDH inhibits Interferon-TET2 signaling to promote immunoevasion and tumor maintenance in cholangiocarcinoma. Cancer Discov 2021; 12:812-835. [PMID: 34848557 DOI: 10.1158/2159-8290.cd-21-1077] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 10/29/2021] [Accepted: 11/23/2021] [Indexed: 11/16/2022]
Abstract
Isocitrate dehydrogenase 1 mutations (mIDH1) are common in cholangiocarcinoma. (R)-2-hydroxyglutarate generated by the mIDH1 enzyme inhibits multiple a-ketoglutarate-dependent enzymes, altering epigenetics and metabolism. Here, by developing mIDH1-driven genetically engineered mouse models, we show that mIDH1 supports cholangiocarcinoma tumor maintenance through an immunoevasion program centered on dual (R)-2-hydroxyglutarate-mediated mechanisms - suppression of CD8+ T cell activity and tumor cell-autonomous inactivation of TET2 DNA demethylase. Pharmacological mIDH1 inhibition stimulates CD8+ T cell recruitment and IFN-y expression and promotes TET2-dependent induction of IFN-y response genes in tumor cells. CD8+ T cell depletion or tumor cell-specific ablation of TET2 or Interferon-gamma receptor 1 causes treatment resistance. Whereas immune checkpoint activation limits mIDH1 inhibitor efficacy, CTLA4 blockade overcomes immunosuppression, providing therapeutic synergy. The findings in this mouse model of cholangiocarcinoma demonstrate that immune function and the IFN-y-TET2 axis are essential for response to mIDH1 inhibition and suggest a novel strategy for harnessing these inhibitors therapeutically.
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Affiliation(s)
- Meng-Ju Wu
- Cancer Center, Massachusetts General Hospital
| | - Lei Shi
- Center for Cancer Research, Massachusetts General Hospital Cancer Center, Harvard Medical School
| | | | | | | | - Ting-Yu Wei
- Cancer Center, Massachusetts General Hospital
| | | | | | - Ramzi Adil
- Cancer Center, Massachusetts General Hospital
| | - Amaya Pankaj
- Research Fellow, Massachusetts General Hospital Cancer Center, Harvard Medical School
| | | | | | - Yuanli Zhen
- Cancer Center, Massachusetts General Hospital
| | | | | | | | | | | | | | | | - Yi Sun
- Cancer Center, Massachusetts General Hospital
| | | | | | - Tong Wang
- Biochemistry and Molecular Biophysics, University of Pennsylvania
| | | | | | - Lipika Goyal
- Internal Medicine, Massachusetts General Hospital Cancer Center, Harvard Medical School
| | | | | | - Rahul M Kohli
- Medicine; Biochemistry & Biophysics, University of Pennsylvania
| | - Hongwu Zheng
- Pathology and Laboratory Medicine, Weill Cornell Medicine
| | - Robert T Manguso
- Center for Cancer Research, Massachusetts General Hospital, Broad Institute
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