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You H, Geng S, Li S, Imani M, Brambilla D, Sun T, Jiang C. Recent advances in biomimetic strategies for the immunotherapy of glioblastoma. Biomaterials 2024; 311:122694. [PMID: 38959533 DOI: 10.1016/j.biomaterials.2024.122694] [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: 04/08/2024] [Revised: 06/22/2024] [Accepted: 06/26/2024] [Indexed: 07/05/2024]
Abstract
Immunotherapy is regarded as one of the most promising approaches for treating tumors, with a multitude of immunotherapeutic thoughts currently under consideration for the lethal glioblastoma (GBM). However, issues with immunotherapeutic agents, such as limited in vivo stability, poor blood-brain barrier (BBB) penetration, insufficient GBM targeting, and represented monotherapy, have hindered the success of immunotherapeutic interventions. Moreover, even with the aid of conventional drug delivery systems, outcomes remain suboptimal. Biomimetic strategies seek to overcome these formidable drug delivery challenges by emulating nature's intelligent structures and functions. Leveraging the variety of biological structures and functions, biomimetic drug delivery systems afford a versatile platform with enhanced biocompatibility for the co-delivery of diverse immunotherapeutic agents. Moreover, their inherent capacity to traverse the BBB and home in on GBM holds promise for augmenting the efficacy of GBM immunotherapy. Thus, this review begins by revisiting the various thoughts and agents on immunotherapy for GBM. Then, the barriers to successful GBM immunotherapy are analyzed, and the corresponding biomimetic strategies are explored from the perspective of function and structure. Finally, the clinical translation's current state and prospects of biomimetic strategy are addressed. This review aspires to provide fresh perspectives on the advancement of immunotherapy for GBM.
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Affiliation(s)
- Haoyu You
- Key Laboratory of Smart Drug Delivery/Innovative Center for New Drug Development of Immune Inflammatory Diseases (Ministry of Education), Minhang Hospital, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Shuo Geng
- Key Laboratory of Smart Drug Delivery/Innovative Center for New Drug Development of Immune Inflammatory Diseases (Ministry of Education), Minhang Hospital, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Shangkuo Li
- Key Laboratory of Smart Drug Delivery/Innovative Center for New Drug Development of Immune Inflammatory Diseases (Ministry of Education), Minhang Hospital, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Mohammad Imani
- Department of Science, Iran Polymer and Petrochemical Institute, Tehran 14977-13115, Iran; Center for Nanoscience and Nanotechnology, Institute for Convergence Science & Technology, Tehran 14588-89694, Iran
| | - Davide Brambilla
- Faculty of Pharmacy, University of Montreal, Montreal Quebec H3T 1J4, Canada
| | - Tao Sun
- Key Laboratory of Smart Drug Delivery/Innovative Center for New Drug Development of Immune Inflammatory Diseases (Ministry of Education), Minhang Hospital, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai 201203, China.
| | - Chen Jiang
- Key Laboratory of Smart Drug Delivery/Innovative Center for New Drug Development of Immune Inflammatory Diseases (Ministry of Education), Minhang Hospital, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai 201203, China
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Pellegatta S, Corradino N, Zingarelli M, Porto E, Gionso M, Berlendis A, Durando G, Maffezzini M, Musio S, Aquino D, DiMeco F, Prada F. The Immunomodulatory Effects of Fluorescein-Mediated Sonodynamic Treatment Lead to Systemic and Intratumoral Depletion of Myeloid-Derived Suppressor Cells in a Preclinical Malignant Glioma Model. Cancers (Basel) 2024; 16:792. [PMID: 38398183 PMCID: PMC10886594 DOI: 10.3390/cancers16040792] [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: 01/02/2024] [Revised: 02/07/2024] [Accepted: 02/08/2024] [Indexed: 02/25/2024] Open
Abstract
Fluorescein-mediated sonodynamic therapy (FL-SDT) is an extremely promising approach for glioma treatment, resulting from the combination of low-intensity focused ultrasound (FUS) with a sonosensitizer. In the present study, we evaluated the efficacy and immunomodulation of SDT with fluorescein as the sonosensitizer in immunocompetent GL261 glioma mice for the first time. In vitro studies demonstrated that the exposure of GL261 cells to FL-SDT induced immunogenic cell death and relevant upregulation of MHC class I, CD80 and CD86 expression. In vivo studies were then performed to treat GL261 glioma-bearing mice with FL-SDT, fluorescein alone, or FUS alone. Perturbation of the glioma-associated macrophage subset within the immune microenvironment was induced by all the treatments. Notably, a relevant depletion of myeloid-derived suppressor cells (MDSCs) and concomitant robust infiltration of CD8+ T cells were observed in the SDT-FL-treated mice, resulting in a significant radiological delay in glioma progression and a consequent improvement in survival. Tumor control and improved survival were also observed in mice treated with FL alone (median survival 41.5 days, p > 0.0001 compared to untreated mice), reflecting considerable modulation of the immune microenvironment. Interestingly, a high circulating lymphocyte-to-monocyte ratio and a very low proportion of MDSCs were predictive of better survival in FL- and FL-SDT-treated mice than in untreated and FUS-treated mice, in which elevated monocyte and MDSC frequencies correlated with worse survival. The immunostimulatory potential of FL-SDT treatment and the profound modulation of most immunosuppressive components within the microenvironment encouraged the exploration of the combination of FL-SDT with immunotherapeutic strategies.
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Affiliation(s)
- Serena Pellegatta
- Unit of Immunotherapy of Brain Tumors, Fondazione IRCCS Istituto Neurologico Carlo Besta, Via Celoria, 11, 20133 Milan, Italy; (M.Z.); (A.B.); (M.M.)
- Unit of Neuro-Oncology, Fondazione IRCCS Istituto Neurologico Carlo Besta, 20133 Milan, Italy
| | - Nicoletta Corradino
- Department of Neurological Surgery, Fondazione IRCCS Istituto Neurologico “C. Besta”, Via Celoria 11, 20133 Milan, Italy; (N.C.); (E.P.); (F.D.)
- Department of Oncology and Hemato-Oncology, University of Milan, 20122 Milan, Italy
- Acoustic Neuroimaging and Therapy Laboratory (ANTY-Lab), Fondazione IRCCS Istituto Neurologico Carlo Besta, 20133 Milan, Italy; (M.G.); (G.D.)
- Focused Ultrasound Foundation, Charlottesville, VA 22903, USA
| | - Manuela Zingarelli
- Unit of Immunotherapy of Brain Tumors, Fondazione IRCCS Istituto Neurologico Carlo Besta, Via Celoria, 11, 20133 Milan, Italy; (M.Z.); (A.B.); (M.M.)
- Unit of Neuro-Oncology, Fondazione IRCCS Istituto Neurologico Carlo Besta, 20133 Milan, Italy
| | - Edoardo Porto
- Department of Neurological Surgery, Fondazione IRCCS Istituto Neurologico “C. Besta”, Via Celoria 11, 20133 Milan, Italy; (N.C.); (E.P.); (F.D.)
- Department of Oncology and Hemato-Oncology, University of Milan, 20122 Milan, Italy
- Acoustic Neuroimaging and Therapy Laboratory (ANTY-Lab), Fondazione IRCCS Istituto Neurologico Carlo Besta, 20133 Milan, Italy; (M.G.); (G.D.)
- Department of Neurosurgery, School of Medicine, Emory University, Atlanta, GA 30322, USA
| | - Matteo Gionso
- Acoustic Neuroimaging and Therapy Laboratory (ANTY-Lab), Fondazione IRCCS Istituto Neurologico Carlo Besta, 20133 Milan, Italy; (M.G.); (G.D.)
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele, 20072 Milan, Italy
| | - Arianna Berlendis
- Unit of Immunotherapy of Brain Tumors, Fondazione IRCCS Istituto Neurologico Carlo Besta, Via Celoria, 11, 20133 Milan, Italy; (M.Z.); (A.B.); (M.M.)
- Unit of Neuro-Oncology, Fondazione IRCCS Istituto Neurologico Carlo Besta, 20133 Milan, Italy
| | - Gianni Durando
- Acoustic Neuroimaging and Therapy Laboratory (ANTY-Lab), Fondazione IRCCS Istituto Neurologico Carlo Besta, 20133 Milan, Italy; (M.G.); (G.D.)
- Istituto Nazionale di Ricerca Metrologica, 10135 Turin, Italy
| | - Martina Maffezzini
- Unit of Immunotherapy of Brain Tumors, Fondazione IRCCS Istituto Neurologico Carlo Besta, Via Celoria, 11, 20133 Milan, Italy; (M.Z.); (A.B.); (M.M.)
- Unit of Neuro-Oncology, Fondazione IRCCS Istituto Neurologico Carlo Besta, 20133 Milan, Italy
| | - Silvia Musio
- Unit of Immunotherapy of Brain Tumors, Fondazione IRCCS Istituto Neurologico Carlo Besta, Via Celoria, 11, 20133 Milan, Italy; (M.Z.); (A.B.); (M.M.)
- Unit of Neuro-Oncology, Fondazione IRCCS Istituto Neurologico Carlo Besta, 20133 Milan, Italy
| | - Domenico Aquino
- Unit of Neuroradiology, Fondazione IRCCS Istituto Neurologico Carlo Besta, 20133 Milan, Italy;
| | - Francesco DiMeco
- Department of Neurological Surgery, Fondazione IRCCS Istituto Neurologico “C. Besta”, Via Celoria 11, 20133 Milan, Italy; (N.C.); (E.P.); (F.D.)
- Department of Oncology and Hemato-Oncology, University of Milan, 20122 Milan, Italy
- Department of Neurological Surgery, Johns Hopkins Medical School, Hunterian BrainTumor Research Laboratory CRB2 2M41, Baltimore, MD 21231, USA
| | - Francesco Prada
- Department of Neurological Surgery, Fondazione IRCCS Istituto Neurologico “C. Besta”, Via Celoria 11, 20133 Milan, Italy; (N.C.); (E.P.); (F.D.)
- Acoustic Neuroimaging and Therapy Laboratory (ANTY-Lab), Fondazione IRCCS Istituto Neurologico Carlo Besta, 20133 Milan, Italy; (M.G.); (G.D.)
- Focused Ultrasound Foundation, Charlottesville, VA 22903, USA
- Department of Neurological Surgery, University of Virginia Health System, Charlottesville, VA 22903, USA
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Sun K, Zhang X, Lao M, He L, Wang S, Yang H, Xu J, Tang J, Hong Z, Song J, Guo C, Li M, Liu X, Chen Y, Zhang H, Zhou J, Lin J, Zhang S, Hong Y, Huang J, Liang T, Bai X. Targeting leucine-rich repeat serine/threonine-protein kinase 2 sensitizes pancreatic ductal adenocarcinoma to anti-PD-L1 immunotherapy. Mol Ther 2023; 31:2929-2947. [PMID: 37515321 PMCID: PMC10556191 DOI: 10.1016/j.ymthe.2023.07.021] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 07/25/2023] [Accepted: 07/25/2023] [Indexed: 07/30/2023] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is not sensitive to immune checkpoint blockade therapy, and negative feedback of tumor immune evasion might be partly responsible. We isolated CD8+ T cells and cultured them in vitro. Proteomics analysis was performed to compare changes in Panc02 cell lines cultured with conditioned medium, and leucine-rich repeat kinase 2 (LRRK2) was identified as a differential gene. LRRK2 expression was related to CD8+ T cell spatial distribution in PDAC clinical samples and upregulated by CD8+ T cells via interferon gamma (IFN-γ) simulation in vitro. Knockdown or pharmacological inhibition of LRRK2 activated an anti-pancreatic cancer immune response in mice, which meant that LRRK2 acted as an immunosuppressive gene. Mechanistically, LRRK2 phosphorylated PD-L1 at T210 to inhibit its ubiquitination-mediated proteasomal degradation. LRRK2 inhibition attenuated PD-1/PD-L1 blockade-mediated, T cell-induced upregulation of LRRK2/PD-L1, thus sensitizing the mice to anti-PD-L1 therapy. In addition, adenosylcobalamin, the activated form of vitamin B12, which was found to be a broad-spectrum inhibitor of LRRK2, could inhibit LRRK2 in vivo and sensitize PDAC to immunotherapy as well, which potentially endows LRRK2 inhibition with clinical translational value. Therefore, PD-L1 blockade combined with LRRK2 inhibition could be a novel therapy strategy for PDAC.
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Affiliation(s)
- Kang Sun
- Department of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Key Laboratory of Pancreatic Disease, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Innovation Center for the Study of Pancreatic Diseases, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Clinical Research Center for the Study of Hepatobiliary & Pancreatic Diseases, Zhejiang University, Hangzhou, China
| | - Xiaozhen Zhang
- Department of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Key Laboratory of Pancreatic Disease, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Innovation Center for the Study of Pancreatic Diseases, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Clinical Research Center for the Study of Hepatobiliary & Pancreatic Diseases, Zhejiang University, Hangzhou, China
| | - Mengyi Lao
- Department of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Key Laboratory of Pancreatic Disease, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Innovation Center for the Study of Pancreatic Diseases, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Clinical Research Center for the Study of Hepatobiliary & Pancreatic Diseases, Zhejiang University, Hangzhou, China
| | - Lihong He
- Department of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Key Laboratory of Pancreatic Disease, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Innovation Center for the Study of Pancreatic Diseases, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Clinical Research Center for the Study of Hepatobiliary & Pancreatic Diseases, Zhejiang University, Hangzhou, China
| | - Sicheng Wang
- Department of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Key Laboratory of Pancreatic Disease, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Innovation Center for the Study of Pancreatic Diseases, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Clinical Research Center for the Study of Hepatobiliary & Pancreatic Diseases, Zhejiang University, Hangzhou, China
| | - Hanshen Yang
- Department of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Key Laboratory of Pancreatic Disease, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Innovation Center for the Study of Pancreatic Diseases, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Clinical Research Center for the Study of Hepatobiliary & Pancreatic Diseases, Zhejiang University, Hangzhou, China
| | - Jian Xu
- Department of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Key Laboratory of Pancreatic Disease, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Innovation Center for the Study of Pancreatic Diseases, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Clinical Research Center for the Study of Hepatobiliary & Pancreatic Diseases, Zhejiang University, Hangzhou, China
| | - Jianghui Tang
- Department of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Key Laboratory of Pancreatic Disease, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Innovation Center for the Study of Pancreatic Diseases, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Clinical Research Center for the Study of Hepatobiliary & Pancreatic Diseases, Zhejiang University, Hangzhou, China
| | - Zhengtao Hong
- Department of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Key Laboratory of Pancreatic Disease, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Innovation Center for the Study of Pancreatic Diseases, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Clinical Research Center for the Study of Hepatobiliary & Pancreatic Diseases, Zhejiang University, Hangzhou, China
| | - Jinyuan Song
- Department of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Key Laboratory of Pancreatic Disease, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Innovation Center for the Study of Pancreatic Diseases, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Clinical Research Center for the Study of Hepatobiliary & Pancreatic Diseases, Zhejiang University, Hangzhou, China
| | - Chengxiang Guo
- Department of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Key Laboratory of Pancreatic Disease, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Innovation Center for the Study of Pancreatic Diseases, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Clinical Research Center for the Study of Hepatobiliary & Pancreatic Diseases, Zhejiang University, Hangzhou, China
| | - Muchun Li
- Department of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Key Laboratory of Pancreatic Disease, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Innovation Center for the Study of Pancreatic Diseases, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Clinical Research Center for the Study of Hepatobiliary & Pancreatic Diseases, Zhejiang University, Hangzhou, China
| | - Xinyuan Liu
- Department of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Key Laboratory of Pancreatic Disease, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Innovation Center for the Study of Pancreatic Diseases, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Clinical Research Center for the Study of Hepatobiliary & Pancreatic Diseases, Zhejiang University, Hangzhou, China
| | - Yan Chen
- Department of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Key Laboratory of Pancreatic Disease, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Innovation Center for the Study of Pancreatic Diseases, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Clinical Research Center for the Study of Hepatobiliary & Pancreatic Diseases, Zhejiang University, Hangzhou, China
| | - Hanjia Zhang
- Department of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Key Laboratory of Pancreatic Disease, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Innovation Center for the Study of Pancreatic Diseases, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Clinical Research Center for the Study of Hepatobiliary & Pancreatic Diseases, Zhejiang University, Hangzhou, China
| | - Jingxing Zhou
- Department of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Key Laboratory of Pancreatic Disease, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Innovation Center for the Study of Pancreatic Diseases, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Clinical Research Center for the Study of Hepatobiliary & Pancreatic Diseases, Zhejiang University, Hangzhou, China
| | - Jieru Lin
- Department of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Key Laboratory of Pancreatic Disease, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Innovation Center for the Study of Pancreatic Diseases, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Clinical Research Center for the Study of Hepatobiliary & Pancreatic Diseases, Zhejiang University, Hangzhou, China
| | - Sirui Zhang
- Department of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Key Laboratory of Pancreatic Disease, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Innovation Center for the Study of Pancreatic Diseases, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Clinical Research Center for the Study of Hepatobiliary & Pancreatic Diseases, Zhejiang University, Hangzhou, China
| | - Yifan Hong
- Department of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Key Laboratory of Pancreatic Disease, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Innovation Center for the Study of Pancreatic Diseases, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Clinical Research Center for the Study of Hepatobiliary & Pancreatic Diseases, Zhejiang University, Hangzhou, China
| | - Jinyan Huang
- Department of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Key Laboratory of Pancreatic Disease, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Innovation Center for the Study of Pancreatic Diseases, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Clinical Research Center for the Study of Hepatobiliary & Pancreatic Diseases, Zhejiang University, Hangzhou, China
| | - Tingbo Liang
- Department of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Key Laboratory of Pancreatic Disease, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Innovation Center for the Study of Pancreatic Diseases, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Clinical Research Center for the Study of Hepatobiliary & Pancreatic Diseases, Zhejiang University, Hangzhou, China; Cancer Center, Zhejiang University, Hangzhou, China.
| | - Xueli Bai
- Department of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Key Laboratory of Pancreatic Disease, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Innovation Center for the Study of Pancreatic Diseases, Zhejiang University, Hangzhou, Zhejiang, China; Zhejiang Provincial Clinical Research Center for the Study of Hepatobiliary & Pancreatic Diseases, Zhejiang University, Hangzhou, China; Cancer Center, Zhejiang University, Hangzhou, China.
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Candiota AP, Arús C. Establishing Imaging Biomarkers of Host Immune System Efficacy during Glioblastoma Therapy Response: Challenges, Obstacles and Future Perspectives. Metabolites 2022; 12:metabo12030243. [PMID: 35323686 PMCID: PMC8950145 DOI: 10.3390/metabo12030243] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 03/04/2022] [Accepted: 03/10/2022] [Indexed: 11/16/2022] Open
Abstract
This hypothesis proposal addresses three major questions: (1) Why do we need imaging biomarkers for assessing the efficacy of immune system participation in glioblastoma therapy response? (2) Why are they not available yet? and (3) How can we produce them? We summarize the literature data supporting the claim that the immune system is behind the efficacy of most successful glioblastoma therapies but, unfortunately, there are no current short-term imaging biomarkers of its activity. We also discuss how using an immunocompetent murine model of glioblastoma, allowing the cure of mice and the generation of immune memory, provides a suitable framework for glioblastoma therapy response biomarker studies. Both magnetic resonance imaging and magnetic resonance-based metabolomic data (i.e., magnetic resonance spectroscopic imaging) can provide non-invasive assessments of such a system. A predictor based in nosological images, generated from magnetic resonance spectroscopic imaging analyses and their oscillatory patterns, should be translational to clinics. We also review hurdles that may explain why such an oscillatory biomarker was not reported in previous imaging glioblastoma work. Single shot explorations that neglect short-term oscillatory behavior derived from immune system attack on tumors may mislead actual response extent detection. Finally, we consider improvements required to properly predict immune system-mediated early response (1–2 weeks) to therapy. The sensible use of improved biomarkers may enable translatable evidence-based therapeutic protocols, with the possibility of extending preclinical results to human patients.
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Affiliation(s)
- Ana Paula Candiota
- Centro de Investigación Biomédica en Red en Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Cerdanyola del Vallès, 08193 Barcelona, Spain;
- Departament de Bioquímica i Biologia Molecular, Unitat de Bioquímica de Biociències, Edifici Cs, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, 08193 Barcelona, Spain
- Institut de Biotecnologia i de Biomedicina (IBB), Universitat Autònoma de Barcelona, Cerdanyola del Vallès, 08193 Barcelona, Spain
| | - Carles Arús
- Centro de Investigación Biomédica en Red en Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Cerdanyola del Vallès, 08193 Barcelona, Spain;
- Departament de Bioquímica i Biologia Molecular, Unitat de Bioquímica de Biociències, Edifici Cs, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, 08193 Barcelona, Spain
- Institut de Biotecnologia i de Biomedicina (IBB), Universitat Autònoma de Barcelona, Cerdanyola del Vallès, 08193 Barcelona, Spain
- Correspondence:
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Wang X, Lu J, Guo G, Yu J. Immunotherapy for recurrent glioblastoma: practical insights and challenging prospects. Cell Death Dis 2021; 12:299. [PMID: 33741903 PMCID: PMC7979733 DOI: 10.1038/s41419-021-03568-0] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 02/17/2021] [Accepted: 02/23/2021] [Indexed: 12/15/2022]
Abstract
Glioblastoma (GB) is the most common high-grade intracranial malignant tumor with highly malignant biological behavior and a high recurrence rate. Although anti-PD-1/PD-L1 antibodies have achieved significant survival benefits in several kinds of solid tumors, the phase III clinical trial Checkmate 143 demonstrated that nivolumab, which targets PD-1, did not achieve survival benefits compared with bevacizumab in recurrent glioblastoma (rGB) patients. Nevertheless, neoadjuvant anti-PD-1 therapy followed by surgery and adjuvant anti-PD-1 therapy could effectively activate local and systemic immune responses and significantly improve the OS of rGB patients. Furthermore, several studies have also confirmed the progress made in applying tumor-specific peptide vaccination or chimeric antigen receptor-T (CAR-T) cell therapy to treat rGB patients, and successes with antibodies targeting other inhibitory checkpoints or costimulatory molecules have also been reported. These successes inspired us to explore candidate combination treatments based on anti-PD-1/PD-L1 antibodies. However, effective predictive biomarkers for clinical efficacy are urgently needed to avoid economic waste and treatment delay. Attempts to prolong the CAR-T cell lifespan and increase T cell infiltration through engineering techniques are addressing the challenge of strengthening T cell function. In this review, we describe the immunosuppressive molecular characteristics of rGB; clinical trials exploring anti-PD-1/PD-L1 therapy, tumor-specific peptide vaccination, and CAR-T cell therapy; candidate combination strategies; and issues related to strengthening T cell function.
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Affiliation(s)
- Xin Wang
- Departmenlt of Oncology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, China. .,Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, 250117, Shandong Province, China.
| | - Jie Lu
- Department of Neurosurgery, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Medicine and Health Key Laboratory of Neurosurgery, Jinan, 250117, Shandong Province, China
| | - Gaochao Guo
- Department of Neurosurgery, Henan Provincial People's Hospital, Cerebrovascular Disease Hospital, People's Hospital Zhengzhou University, People's Hospital Henan University, Zhengzhou, 450003, Henan, China
| | - Jinming Yu
- Departmenlt of Oncology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, China. .,Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, 250117, Shandong Province, China.
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6
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Robilliard LD, Yu J, Anchan A, Joseph W, Finlay G, Angel CE, Scott Graham E. Comprehensive analysis of inhibitory checkpoint ligand expression by glioblastoma cells. Immunol Cell Biol 2020; 99:403-418. [PMID: 33217047 DOI: 10.1111/imcb.12428] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 10/07/2020] [Accepted: 11/18/2020] [Indexed: 01/17/2023]
Abstract
Glioblastoma is a highly aggressive brain malignancy commonly refractory to classical and novel chemo-, radio- and immunotherapies, with median survival times of ~15 months following diagnosis. Poor immunological responses exemplified by the downregulation of T-cell activity, and upregulation of immunosuppressive cells within the tumor microenvironment have limited the effectiveness of immunotherapy in glioblastoma to date. Here we show that glioblastoma cells express a large repertoire of inhibitory checkpoint ligands known to control effector T cell responses. Furthermore, flow cytometry analysis reveals that glioblastoma cells with an enhanced stem cell-like phenotype express several investigated ligands at significant levels on their cell surface. This reveals that glioblastoma stem-like cells express suppressive ligands with the potential of suppressing major T cell checkpoint receptors. With this information, it is now essential that we understand the relevance of this extensive repertoire of immune checkpoint ligands and their functional consequence on immune evasion in glioblastoma. This is necessary to develop effective immunotherapeutics and to be able to match treatment to patient, especially in the light of CheckMate 143.
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Affiliation(s)
- Laverne D Robilliard
- Department of Molecular Medicine and Pathology, School of Medical Sciences, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand.,Centre for Brain Research, University of Auckland, Auckland, New Zealand
| | - Jane Yu
- Department of Molecular Medicine and Pathology, School of Medical Sciences, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand.,Centre for Brain Research, University of Auckland, Auckland, New Zealand
| | - Akshata Anchan
- Department of Molecular Medicine and Pathology, School of Medical Sciences, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand.,Centre for Brain Research, University of Auckland, Auckland, New Zealand
| | - Wayne Joseph
- Auckland Cancer Society Research Centre, University of Auckland, Auckland, New Zealand
| | - Graeme Finlay
- Department of Molecular Medicine and Pathology, School of Medical Sciences, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand.,Auckland Cancer Society Research Centre, University of Auckland, Auckland, New Zealand
| | - Catherine E Angel
- School of Biological Sciences, Faculty of Science, University of Auckland, Auckland, New Zealand.,Maurice Wilkins Centre for Molecular Biodiscovery, University of Auckland, Auckland, New Zealand
| | - E Scott Graham
- Department of Molecular Medicine and Pathology, School of Medical Sciences, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand.,Centre for Brain Research, University of Auckland, Auckland, New Zealand
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7
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Zhang H, Ye ZL, Yuan ZG, Luo ZQ, Jin HJ, Qian QJ. New Strategies for the Treatment of Solid Tumors with CAR-T Cells. Int J Biol Sci 2016; 12:718-29. [PMID: 27194949 PMCID: PMC4870715 DOI: 10.7150/ijbs.14405] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Accepted: 01/16/2016] [Indexed: 01/11/2023] Open
Abstract
Recent years, we have witnessed significant progresses in both basic and clinical studies regarding novel therapeutic strategies with genetically engineered T cells. Modification with chimeric antigen receptors (CARs) endows T cells with tumor specific cytotoxicity and thus induce anti-tumor immunity against malignancies. However, targeting solid tumors is more challenging than targeting B-cell malignancies with CAR-T cells because of the histopathological structure features, specific antigens shortage and strong immunosuppressive environment of solid tumors. Meanwhile, the on-target/off-tumor toxicity caused by relative expression of target on normal tissues is another issue that should be reckoned. Optimization of the design of CAR vectors, exploration of new targets, addition of safe switches and combination with other treatments bring new vitality to the CAR-T cell based immunotherapy against solid tumors. In this review, we focus on the major obstacles limiting the application of CAR-T cell therapy toward solid tumors and summarize the measures to refine this new cancer therapeutic modality.
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Affiliation(s)
- Hao Zhang
- 1. Laboratory of Viral and Gene Therapy, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai 200438, China
| | - Zhen-Long Ye
- 1. Laboratory of Viral and Gene Therapy, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai 200438, China
| | - Zhen-Gang Yuan
- 1. Laboratory of Viral and Gene Therapy, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai 200438, China
| | - Zheng-Qiang Luo
- 2. Xinyuan Institute of Medicine and Biotechnology College of Life Science, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Hua-Jun Jin
- 1. Laboratory of Viral and Gene Therapy, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai 200438, China
| | - Qi-Jun Qian
- 1. Laboratory of Viral and Gene Therapy, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai 200438, China;; 2. Xinyuan Institute of Medicine and Biotechnology College of Life Science, Zhejiang Sci-Tech University, Hangzhou 310018, China;; 3. Ningbo NO.5 Hospital (Ningbo Cancer Hospital), Ningbo 315201, China
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8
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Farber SH, Tsvankin V, Narloch JL, Kim GJ, Salama AKS, Vlahovic G, Blackwell KL, Kirkpatrick JP, Fecci PE. Embracing rejection: Immunologic trends in brain metastasis. Oncoimmunology 2016; 5:e1172153. [PMID: 27622023 DOI: 10.1080/2162402x.2016.1172153] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Revised: 03/22/2016] [Accepted: 03/23/2016] [Indexed: 12/25/2022] Open
Abstract
Brain metastases represent the most common type of brain tumor. These tumors offer a dismal prognosis and significantly impact quality of life for patients. Their capacity for central nervous system (CNS) invasion is dependent upon induced disruptions to the blood-brain barrier (BBB), alterations to the brain microenvironment, and mechanisms for escaping CNS immunosurveillance. In the emerging era of immunotherapy, understanding how metastases are influenced by the immunologic peculiarities of the CNS will be crucial to forging therapeutic advances. In this review, the immunology of brain metastasis is explored.
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Affiliation(s)
- S Harrison Farber
- Duke Brain Tumor Immunotherapy Program, Department of Neurosurgery, Duke University Medical Center, Durham, NC, USA; The Preston Robert Tisch Brain Tumor Center, Duke University Medical Center, Durham, NC, USA
| | - Vadim Tsvankin
- Duke Brain Tumor Immunotherapy Program, Department of Neurosurgery, Duke University Medical Center, Durham, NC, USA; The Preston Robert Tisch Brain Tumor Center, Duke University Medical Center, Durham, NC, USA
| | - Jessica L Narloch
- The Preston Robert Tisch Brain Tumor Center, Duke University Medical Center, Durham, NC, USA; Department of Radiation Oncology, Duke University Medical Center, Durham, NC, USA
| | - Grace J Kim
- The Preston Robert Tisch Brain Tumor Center, Duke University Medical Center, Durham, NC, USA; Department of Radiation Oncology, Duke University Medical Center, Durham, NC, USA
| | - April K S Salama
- Division of Medical Oncology, Duke University Medical Center , Durham, NC, USA
| | - Gordana Vlahovic
- The Preston Robert Tisch Brain Tumor Center, Duke University Medical Center, Durham, NC, USA; Division of Medical Oncology, Duke University Medical Center, Durham, NC, USA
| | - Kimberly L Blackwell
- The Preston Robert Tisch Brain Tumor Center, Duke University Medical Center, Durham, NC, USA; Department of Radiation Oncology, Duke University Medical Center, Durham, NC, USA
| | - John P Kirkpatrick
- The Preston Robert Tisch Brain Tumor Center, Duke University Medical Center, Durham, NC, USA; Department of Radiation Oncology, Duke University Medical Center, Durham, NC, USA
| | - Peter E Fecci
- Duke Brain Tumor Immunotherapy Program, Department of Neurosurgery, Duke University Medical Center, Durham, NC, USA; The Preston Robert Tisch Brain Tumor Center, Duke University Medical Center, Durham, NC, USA; Department of Pathology, Duke University Medical Center, Durham, NC, USA
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9
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Fecci PE, Heimberger AB, Sampson JH. Immunotherapy for primary brain tumors: no longer a matter of privilege. Clin Cancer Res 2015; 20:5620-9. [PMID: 25398845 DOI: 10.1158/1078-0432.ccr-14-0832] [Citation(s) in RCA: 83] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Immunotherapy for cancer continues to gain both momentum and legitimacy as a rational mode of therapy and a vital treatment component in the emerging era of personalized medicine. Gliomas, and their most malignant form, glioblastoma, remain as a particularly devastating solid tumor for which standard treatment options proffer only modest efficacy and target specificity. Immunotherapy would seem a well-suited choice to address such deficiencies given both the modest inherent immunogenicity of gliomas and the strong desire for treatment specificity within the confines of the toxicity-averse normal brain. This review highlights the caveats and challenges to immunotherapy for primary brain tumors, as well as reviewing modalities that are currently used or are undergoing active investigation. Tumor immunosuppressive countermeasures, peculiarities of central nervous system immune access, and opportunities for rational treatment design are discussed.
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Affiliation(s)
- Peter E Fecci
- Division of Neurosurgery, Department of Surgery, Duke University Medical Center, Durham, North Carolina
| | - Amy B Heimberger
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - John H Sampson
- Division of Neurosurgery, Department of Surgery, Duke University Medical Center, Durham, North Carolina.
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10
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Wang JY, Bettegowda C. Genetics and immunotherapy: using the genetic landscape of gliomas to inform management strategies. J Neurooncol 2015; 123:373-83. [PMID: 25697584 DOI: 10.1007/s11060-015-1730-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2014] [Accepted: 02/01/2015] [Indexed: 02/07/2023]
Abstract
Recent work in genetics has identified essential driver mutations in gliomas and has profoundly changed our understanding of tumorigenesis. New insights into the molecular basis of glioma has informed the development of therapies demonstrating considerable potential, including immunotherapeutic approaches such as peptide and dendritic cell vaccines against EGFRvIII. However, the selective targeting of one component of a dysregulated pathway may be inadequate for a durable clinical response, given the intratumoral heterogeneity of glioblastoma (GBM) and hypermutated profiles displayed by tumor recurrences. Immune checkpoint blockade with anti-cytotoxic T lymphocyte antigen-4 (CTLA) and anti-programmed cell death 1 (PD-1) have demonstrated encouraging results in clinical trials with other solid tumors, and recent data suggest that this type of therapy may be particularly useful for tumors with high mutational burdens. Although the survival for patients with GBM has remains grim, the use of immunotherapy may finally change patient outcomes.
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Affiliation(s)
- Joanna Y Wang
- Department of Neurosurgery, The Johns Hopkins Hospital, Johns Hopkins University School of Medicine, 600 N. Wolfe Street, Phipps 118, Baltimore, MD, 21287, USA
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11
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Calinescu AA, Kamran N, Baker G, Mineharu Y, Lowenstein PR, Castro MG. Overview of current immunotherapeutic strategies for glioma. Immunotherapy 2015; 7:1073-104. [PMID: 26598957 PMCID: PMC4681396 DOI: 10.2217/imt.15.75] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
In the last decade, numerous studies of immunotherapy for malignant glioma (glioblastoma multiforme) have brought new knowledge and new hope for improving the prognosis of this incurable disease. Some clinical trials have reached Phase III, following positive outcomes in Phase I and II, with respect to safety and immunological end points. Results are encouraging especially when considering the promise of sustained efficacy by inducing antitumor immunological memory. Progress in understanding the mechanisms of tumor-induced immune suppression led to the development of drugs targeting immunosuppressive checkpoints, which are used in active clinical trials for glioblastoma multiforme. Insights related to the heterogeneity of the disease bring new challenges for the management of glioma and underscore a likely cause of therapeutic failure. An emerging therapeutic strategy is represented by a combinatorial, personalized approach, including the standard of care: surgery, radiation, chemotherapy with added active immunotherapy and multiagent targeting of immunosuppressive checkpoints.
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Affiliation(s)
| | - Neha Kamran
- Department of Neurosurgery, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA
| | - Gregory Baker
- Department of Neurosurgery, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA
| | - Yohei Mineharu
- Department of Neurosurgery, Kyoto University, Kyoto, Japan
| | - Pedro Ricardo Lowenstein
- Department of Neurosurgery, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA
- Department of Cell & Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Maria Graciela Castro
- Department of Neurosurgery, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA
- Department of Cell & Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA
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12
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Hegde M, Moll AJ, Byrd TT, Louis CU, Ahmed N. Cellular immunotherapy for pediatric solid tumors. Cytotherapy 2014; 17:3-17. [PMID: 25082406 DOI: 10.1016/j.jcyt.2014.05.019] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2014] [Revised: 05/27/2014] [Accepted: 05/27/2014] [Indexed: 01/09/2023]
Abstract
Substantial progress has been made in the treatment of pediatric solid tumors over the past 4 decades. However, children with metastatic and or recurrent disease continue to do poorly despite the aggressive multi-modality conventional therapies. The increasing understanding of the tumor biology and the interaction between the tumor and the immune system over the recent years have led to the development of novel immune-based therapies as alternative options for some of these high-risk malignancies. The safety and anti-tumor efficacy of various tumor vaccines and tumor-antigen specific immune cells are currently being investigated for various solid tumors. In early clinical trials, most of these cellular therapies have been well tolerated and have shown promising clinical responses. Although substantial work is being done in this field, the available knowledge for pediatric tumors remains limited. We review the contemporary early phase cell-based immunotherapy efforts for pediatric solid tumors and discuss the rationale and the challenges thereof.
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Affiliation(s)
- Meenakshi Hegde
- Center for Cell and Gene Therapy, Baylor College of Medicine, Houston, Texas, USA; Texas Children's Cancer Center, Baylor College of Medicine, Houston, Texas, USA; Department of Pediatrics, Baylor College of Medicine, Houston, Texas, USA.
| | - Alexander J Moll
- Center for Cell and Gene Therapy, Baylor College of Medicine, Houston, Texas, USA
| | - Tiara T Byrd
- Center for Cell and Gene Therapy, Baylor College of Medicine, Houston, Texas, USA; Texas Children's Cancer Center, Baylor College of Medicine, Houston, Texas, USA
| | - Chrystal U Louis
- Center for Cell and Gene Therapy, Baylor College of Medicine, Houston, Texas, USA; Texas Children's Cancer Center, Baylor College of Medicine, Houston, Texas, USA; Department of Pediatrics, Baylor College of Medicine, Houston, Texas, USA
| | - Nabil Ahmed
- Center for Cell and Gene Therapy, Baylor College of Medicine, Houston, Texas, USA; Texas Children's Cancer Center, Baylor College of Medicine, Houston, Texas, USA; Department of Pediatrics, Baylor College of Medicine, Houston, Texas, USA.
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13
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Immunocompetent murine models for the study of glioblastoma immunotherapy. J Transl Med 2014; 12:107. [PMID: 24779345 PMCID: PMC4012243 DOI: 10.1186/1479-5876-12-107] [Citation(s) in RCA: 153] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2014] [Accepted: 04/16/2014] [Indexed: 01/21/2023] Open
Abstract
Glioblastoma remains a lethal diagnosis with a 5-year survival rate of less than 10%. (NEJM 352:987-96, 2005) Although immunotherapy-based approaches are capable of inducing detectable immune responses against tumor-specific antigens, improvements in clinical outcomes are modest, in no small part due to tumor-induced immunosuppressive mechanisms that promote immune escape and immuno-resistance. Immunotherapeutic strategies aimed at bolstering the immune response while neutralizing immunosuppression will play a critical role in improving treatment outcomes for glioblastoma patients. In vivo murine models of glioma provide an invaluable resource to achieving that end, and their use is an essential part of the preclinical workup for novel therapeutics that need to be tested in animal models prior to testing experimental therapies in patients. In this article, we review five contemporary immunocompetent mouse models, GL261 (C57BL/6), GL26 (C57BL/6) CT-2A (C57BL/6), SMA-560 (VM/Dk), and 4C8 (B6D2F1), each of which offer a suitable platform for testing novel immunotherapeutic approaches.
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14
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Zhou W, Bao S. Reciprocal Supportive Interplay between Glioblastoma and Tumor-Associated Macrophages. Cancers (Basel) 2014; 6:723-40. [PMID: 24675569 PMCID: PMC4074800 DOI: 10.3390/cancers6020723] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2014] [Revised: 03/13/2014] [Accepted: 03/14/2014] [Indexed: 12/21/2022] Open
Abstract
Glioblastoma multiforme (GBM) is the most lethal and aggressive type of primary brain malignancy. Failures of the traditional therapies in treating GBMs raise the urgent requirement to develop new approaches with more responsive targets. The phenomenon of the high infiltration of tumor-associated macrophages (TAMs) into GBMs has been observed for a long time. Regardless of the limited knowledge about TAMs, the high percentage of supportive TAM in GBM tumor mass makes it possible to be a good target for GBM treatment. In this review, we discussed the unique features of TAMs in GBMs, including their origin, the tumor-supportive properties, the secreted cytokines, and the relevant mechanisms. In addition, we tried to interpret the current understandings about the interplay between GBM cancer cells and TAMs. Finally, the translational studies of targeting TAMs were also described.
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Affiliation(s)
- Wenchao Zhou
- Department of Stem Cell Biology and Regenerative Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA.
| | - Shideng Bao
- Department of Stem Cell Biology and Regenerative Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA.
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15
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Shimato S, Anderson LM, Asslaber M, Bruce JN, Canoll P, Anderson DE, Anderson RCE. Inhibition of caveolin-1 restores myeloid cell function in human glioblastoma. PLoS One 2013; 8:e77397. [PMID: 24130882 PMCID: PMC3793958 DOI: 10.1371/journal.pone.0077397] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2013] [Accepted: 09/02/2013] [Indexed: 11/22/2022] Open
Abstract
Background Gliomas are the most common primary brain tumor in both children and adults. The prognosis for glioblastoma (GBM), the most common type of malignant glioma, has remained dismal, with median survival a little over one year despite maximal therapy with surgery, chemotherapy, and radiation. Although immunotherapy has become increasingly successful against many systemic tumors, clinical efficacy against brain tumors has been limited. One reason for this is an incomplete understanding of the local immunologic tumor microenvironment, particularly the function of large numbers of infiltrating myeloid derived cells. Monocytes/microglia are myeloid derived immunomodulatory cells, and they represent the predominant infiltrating immune cell population in gliomas. Our group has previously demonstrated using complementary invitro and invivo approaches that GBM tumor cells polarize tumor-associated myeloid cells (TAMs) and suppress their immunostimulatory function. Methods and Results To better understand the mechanisms responsible for this immunosuppression, we used gene expression profiling of stimulated monocytes in the presence or absence of GBM tumor cells. Our analysis identified caveolin-1 (CAV1), a plasma membrane molecule with pleiotropic functions, as significantly up-regulated in monocytes in the presence of GBMs. We validated these findings exvivo by confirming up-regulation of CAV1 in TAMs isolated from GBMs immediately after surgical resection. Finally, we demonstrate that siRNA inhibition of CAV1 restores myeloid cell function, as measured by TNF-alpha secretion, in the presence of GBMs. Conclusions Restoration of TAM function through pharmacologic blockage of CAV1 may facilitate more successful immunotherapeutic strategies directed against a variety of solid human tumors infiltrated by TAMs.
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Affiliation(s)
- Shinji Shimato
- Department of Neurosurgery, Gabriele Bartoli Brain Tumor Research Laboratory, Columbia University, New York, New York, United States of America
| | - Lisa M. Anderson
- Erinyes Biotechnologies, LLC, Boston, Massachusetts, United States of America
| | - Martin Asslaber
- Department of Pathology, Medical University of Graz, Graz, Austria
| | - Jeffrey N. Bruce
- Department of Neurosurgery, Gabriele Bartoli Brain Tumor Research Laboratory, Columbia University, New York, New York, United States of America
| | - Peter Canoll
- Department of Neurosurgery, Gabriele Bartoli Brain Tumor Research Laboratory, Columbia University, New York, New York, United States of America
- Department of Pathology, Columbia University, New York, New York, United States of America
| | - David E. Anderson
- Erinyes Biotechnologies, LLC, Boston, Massachusetts, United States of America
| | - Richard C. E. Anderson
- Department of Neurosurgery, Gabriele Bartoli Brain Tumor Research Laboratory, Columbia University, New York, New York, United States of America
- * E-mail:
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16
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Cui X, Xu Z, Zhao Z, Sui D, Ren X, Huang Q, Qin J, Hao L, Wang Z, Shen L, Lin S. Analysis of CD137L and IL-17 expression in tumor tissue as prognostic indicators for gliblastoma. Int J Biol Sci 2013; 9:134-41. [PMID: 23411595 PMCID: PMC3572395 DOI: 10.7150/ijbs.4891] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2012] [Accepted: 01/15/2013] [Indexed: 12/20/2022] Open
Abstract
Glioblastoma multiforme (GBM) is the most common form of malignant glioma, characterized by genetic instability and unpredictable clinical behavior. GBM is marked by an extremely poor prognosis with median overall survival of 12~14 months. In this study, we detected the CD137L-expressing cells and IL-17-expressing cells in tumor tissues resected from patients with GBM. Expression of CD137L and IL-17 were assessed by immunohistochemistry, and the prognostic value of CD137L and IL-17 expression within the tumor tissues were assessed by Cox regression and Kaplan-Meier analysis. Immunohistochemical detection showed that positive cells of CD137L and IL-17 in glioblastoma tissue samples were 46.3% (19/ 41) and 73.2% (30/41) respectively. Expression of CD137L was not correlated with overall survival of GBM patients (P=0.594), while significantly longer survival rate was seen in patients with high expression of IL-17, compared to those with low expression of IL-17 (P=0.007). In addition, we also found that IL-17 expression was significantly correlated with Progression-free survival (PFS) (P=0.016) and death rate (P=0.01). Furthermore, multivariate Cox proportional hazard analyses revealed that IL-17 (P=0.018) and PFS (P=0.028) were independent factors affecting the overall survival probability. Kaplan-Meier analysis showed that PFS of high expression of IL-17 group were significantly longer (P=0.004) than low expression group with GBM. It is concluded that high levels of IL-17 expression in the tumor tissues may be a good prognostic marker for patients with GBM.
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Affiliation(s)
- Xiangli Cui
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100050, PR China
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17
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Prosser ME, Brown CE, Shami AF, Forman SJ, Jensen MC. Tumor PD-L1 co-stimulates primary human CD8(+) cytotoxic T cells modified to express a PD1:CD28 chimeric receptor. Mol Immunol 2012; 51:263-72. [PMID: 22503210 DOI: 10.1016/j.molimm.2012.03.023] [Citation(s) in RCA: 135] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2011] [Revised: 03/08/2012] [Accepted: 03/15/2012] [Indexed: 12/31/2022]
Abstract
Tumors exploit immunoregulatory checkpoints that serve to attenuate T cell responses as a means of circumventing immunologic rejection. Programmed death ligand 1 (PD-L1) is a negative regulator of T cell function and is frequently expressed by solid tumors. By engaging programmed death 1 (PD-1) on activated T cells, PD-L1(+) tumors directly render tumor-specific T cells, including adoptively transferred T cells, functionally exhausted. As a strategy to overcome tumor PD-L1 effects on adoptively transferred T cells, we sought to convert PD-1 to a T cell costimulatory receptor by exchanging its transmembrane and cytoplasmic tail with that of CD28. Rather than becoming exhausted upon engagement of PD-L1(+) tumors, we hypothesized that CD8(+) cytotoxic T lymphocytes (CTL) genetically modified to express this PD1:CD28 chimera would exhibit enhanced functional attributes. Here we show that cell surface expressed PD1:CD28 retains the capacity to bind PD-L1 resulting in T cell costimulation as evidenced by increased levels of ERK phosphorylation, augmentation of cytokine secretion, increased proliferative capacity, and enhanced expression of effector molecule Granzyme B. We provide evidence that this chimera could serve as a novel engineering strategy to overcome PD-L1 mediated immunosuppression.
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Affiliation(s)
- Megan E Prosser
- Department of Cancer Immunotherapeutics & Tumor Immunology, Beckman Research Institute, City of Hope National Medical Center, Duarte, CA 91010, USA
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18
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Mechanisms of Immune Evasion by Gliomas. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2012; 746:53-76. [DOI: 10.1007/978-1-4614-3146-6_5] [Citation(s) in RCA: 82] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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19
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Medulloblasoma: challenges for effective immunotherapy. J Neurooncol 2011; 108:1-10. [PMID: 22173741 DOI: 10.1007/s11060-011-0776-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2011] [Accepted: 11/29/2011] [Indexed: 01/21/2023]
Abstract
For medulloblastoma patients, the current therapeutic paradigm of surgery followed by radiation and chemotherapy can lead to long-term remission. However, the sequelae of treatment can be very debilitating, particularly in young children. Immunotherapy is an attractive treatment approach to optimize the targeting of tumor cells while sparing the vulnerable surrounding brain that is still developing in children. Understanding the relationship between medulloblastoma and the immune system is critical to develop effective immunologic-based treatment strategies for these patients. This review focuses on current knowledge of tumor immunology and the factors that contribute to the lack of immune system recognition of these tumors. The specificity of tumor antigens present in medulloblastoma is also discussed along with a summary of early clinical immunotherapy results.
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20
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Enhancement of HLA class II-restricted CD4+ T cell recognition of human melanoma cells following treatment with bryostatin-1. Cell Immunol 2011; 271:392-400. [PMID: 21903207 DOI: 10.1016/j.cellimm.2011.08.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2011] [Revised: 08/11/2011] [Accepted: 08/12/2011] [Indexed: 12/31/2022]
Abstract
The majority of melanoma cells express detectable levels of HLA class II proteins, and an increased threshold of cell surface class II is crucial for the stimulation of CD4+ T cells. Bryostatin-1, a protein kinase C (PKC) activator, has been considered as a potent chemotherapeutic agent in a variety of in vitro tumor models. Little is known about the role of bryostatin-1 in HLA class II Ag presentation and immune activation in malignant tumors, especially in melanoma. In this study, we show that bryostatin-1 treatment enhances CD4+ T cell recognition of melanoma cells in the context of HLA class II molecules. We also show that bryostatin-1 treatment of melanoma cells increases class II protein levels by upregulating the class II transactivator (CIITA) gene. Flow cytometry and confocal microscopic analyses revealed that bryostatin-1 treatment upregulated the expression of costimulatory molecules (CD80 and CD86) in melanoma cells, which could prolong the interaction of immune cells and tumors. Bryostatin-1 also induced cellular differentiation in melanoma cells, and reduced tumorigenic factors such as pro-cathepsins and matrix-metalloproteinase-9. These data suggest that bryostatin-1 could be used as a chemo-immunotherapeutic agent for reducing tumorigenic potential of melanoma cells while enhancing CD4+ T cell recognition to prevent tumor recurrence.
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Ogbomo H, Cinatl J, Mody CH, Forsyth PA. Immunotherapy in gliomas: limitations and potential of natural killer (NK) cell therapy. Trends Mol Med 2011; 17:433-41. [DOI: 10.1016/j.molmed.2011.03.004] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2011] [Revised: 03/09/2011] [Accepted: 03/11/2011] [Indexed: 12/23/2022]
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Yang I, Han SJ, Sughrue ME, Tihan T, Parsa AT. Immune cell infiltrate differences in pilocytic astrocytoma and glioblastoma: evidence of distinct immunological microenvironments that reflect tumor biology. J Neurosurg 2011; 115:505-11. [PMID: 21663411 DOI: 10.3171/2011.4.jns101172] [Citation(s) in RCA: 88] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
OBJECT The tumor microenvironment in astrocytomas is composed of a variety of cell types, including infiltrative inflammatory cells that are dynamic in nature, potentially reflecting tumor biology. In this paper the authors demonstrate that characterization of the intratumoral inflammatory infiltrate can distinguish high-grade glioblastoma from low-grade pilocytic astrocytoma. METHODS Tumor specimens from ninety-one patients with either glioblastoma or pilocytic astrocytoma were analyzed at the University of California, San Francisco. A systematic neuropathology analysis was performed. All tissue was collected at the time of the initial surgery prior to adjuvant treatment. Immune cell infiltrate not associated with necrosis or hemorrhage was analyzed on serial 4-μm sections. Analysis was performed for 10 consecutive hpfs and in 3 separate regions (total 30 × 0.237 mm(2)). Using immunohistochemistry for markers of infiltrating cytotoxic T cells (CD8), natural killer cells (CD56), and macrophages (CD68), the inflammatory infiltrates in these tumors were graded quantitatively and classified based on microanatomical location (perivascular vs intratumoral). Control markers included CD3, CD20, and human leukocyte antigen. RESULTS Glioblastomas exhibited significantly higher perivascular (CD8) T-cell infiltration than pilocytic astrocytomas (62% vs 29%, p = 0.0005). Perivascular (49%) and intratumoral (89%; p = 0.004) CD56-positive cells were more commonly associated with glioblastoma. The CD68-positive cells also were more prevalent in the perivascular and intratumoral space in glioblastoma. In the intratumoral space, all glioblastomas exhibited CD68-positive cells compared with 86% of pilocytic astrocytomas (p = 0.0014). Perivascularly, CD68-positive infiltrate was also more prevalent in glioblastoma when compared with pilocytic astrocytoma (97% vs 86%, respectively; p = 0.0003). The CD3-positive, CD20-positive, and human leukocyte antigen-positive infiltrates did not differ between glioblastoma and pilocytic astrocytoma. CONCLUSIONS This analysis suggests a significantly distinct immune profile in the microenvironment of high-grade glioblastoma versus low-grade pilocytic astrocytoma. This difference in tumor microenvironment may reflect an important difference in the tumor biology of glioblastoma.
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Affiliation(s)
- Isaac Yang
- Department of Neurosurgery, University of California, Los Angeles, California, USA
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Wiemels JL, Wrensch M, Sison JD, Zhou M, Bondy M, Calvocoressi L, Black PM, Yu H, Schildkraut JM, Claus EB. Reduced allergy and immunoglobulin E among adults with intracranial meningioma compared to controls. Int J Cancer 2011; 129:1932-9. [PMID: 21520030 DOI: 10.1002/ijc.25858] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2010] [Revised: 11/01/2010] [Accepted: 12/02/2010] [Indexed: 01/09/2023]
Abstract
Meningioma, the most frequent tumor in the central nervous system, has few recognized risk factors. We explored the role of allergies in a population-based case-control consortium study of meningioma in five geographic areas. We also studied serum levels of a marker of atopic allergy (IgE) in a subset of study participants, a first for a study on meningioma. Participants (N = 1,065) with surgically resected, pathologically confirmed meningioma and controls (N = 634) selected via random-digit dialing were recruited and interviewed. Cases were less likely than controls to report history of physician-diagnosed allergy [odds ratio (OR) = 0.64; 95% confidence interval (95% CI): 0.51-0.80]. Also, cases (N = 295) had lower total serum IgE than controls [N = 192; OR = 0.85, 95% CI: 0.75-0.98 for each unit of Ln(IgE)]. Similar to glioma and cancers at several other sites, meningioma appears to have an inverse relationship with history of allergies and a biomarker of atopic allergy. As some common opposing predisposition or developmental processes for allergy and meningioma may exist, further research into immune processes that can affect the incidence and natural history of meningioma is warranted.
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Affiliation(s)
- Joseph L Wiemels
- Department of Neurosurgery and Epidemiology and Biostatistics, University of California at San Francisco School of Medicine, San Francisco, CA 94158, USA.
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Tumor cells engineered to codisplay on their surface 4-1BBL and LIGHT costimulatory proteins as a novel vaccine approach for cancer immunotherapy. Cancer Gene Ther 2010; 17:730-41. [PMID: 20559332 PMCID: PMC2941532 DOI: 10.1038/cgt.2010.29] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Primary tumor cells genetically modified to express on their surface a collection of immunological ligands may have utility as therapeutic autologous cancer vaccines. However, genetic modification of primary tumor cells is not only cost, labor, and time intensive, but also has safety repercussions. As an alternative, we developed the ProtEx™ technology that involves generation of immunological ligands with core streptavidin (SA) and their display on biotinylated cells in a rapid and efficient manner. We herein demonstrate that TC-1 tumor cells can be rapidly and efficiently engineered to codisplay on their surface two costimulatory proteins, SA-4-1BBL and SA-LIGHT, simultaneously. Vaccination with irradiated TC-1 cells codisplaying both chimeric proteins showed 100% efficacy in a prophylactic and > 55% efficacy in a therapeutic tumor setting. In contrast, vaccination with TC-1 cells engineered with either protein alone showed significantly reduced efficacy in the prophylactic setting. Vaccine efficacy was associated with the generation of primary and memory T cell and antibody responses against the tumor without detectable signs of autoimmunity. Engineering tumor cells in a rapid and effective manner to simultaneously display on their surface a collection of immunostimulatory proteins with additive/synergistic functions presents a novel alternative approach to gene therapy with considerable potential for cancer immunotherapy.
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Brown CE, Starr R, Martinez C, Aguilar B, D'Apuzzo M, Todorov I, Shih CC, Badie B, Hudecek M, Riddell SR, Jensen MC. Recognition and killing of brain tumor stem-like initiating cells by CD8+ cytolytic T cells. Cancer Res 2009; 69:8886-93. [PMID: 19903840 DOI: 10.1158/0008-5472.can-09-2687] [Citation(s) in RCA: 109] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Solid tumors contain a subset of stem-like cells that are resistant to the cytotoxic effects of chemotherapy/radiotherapy, but their susceptibility to cytolytic T lymphocyte (CTL) effector mechanisms has not been well characterized. Using a panel of early-passage human brain tumor stem/initiating cell (BTSC) lines derived from high-grade gliomas, we show that BTSCs are subject to immunologic recognition and elimination by CD8(+) CTLs. Compared with serum-differentiated CD133(low) tumor cells and established glioma cell lines, BTSCs are equivalent with respect to expression levels of HLA class I and ICAM-1, similar in their ability to trigger degranulation and cytokine synthesis by antigen-specific CTLs, and equally susceptible to perforin-dependent CTL-mediated cytolysis. BTSCs are also competent in the processing and presentation of antigens as evidenced by the killing of these cells by CTL when antigen is endogenously expressed. Moreover, we show that CTLs can eliminate all BTSCs with tumor-initiating activity in an antigen-specific manner in vivo. Current models predict that curative therapies for many cancers will require the elimination of the stem/initiating population, and these studies lay the foundation for developing immunotherapeutic approaches to eradicate this tumor population.
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Affiliation(s)
- Christine E Brown
- Department of Cancer Immunotherapeutics, Division of Neurosurgery, City of Hope National Medical Center, Duarte, California 91010, USA
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Wei J, DeAngulo G, Sun W, Hussain SF, Vasquez H, Jordan J, Weinberg J, Wolff J, Koshkina N, Heimberger AB. Topotecan enhances immune clearance of gliomas. Cancer Immunol Immunother 2009; 58:259-70. [PMID: 18594817 PMCID: PMC11030728 DOI: 10.1007/s00262-008-0550-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2007] [Accepted: 06/12/2008] [Indexed: 11/28/2022]
Abstract
Despite aggressive surgery, radiation therapy, and chemotherapy, glioblastoma multiforme (GBM) is refractory to therapy, recurs quickly, and results in a median survival time of only 14 months. The modulation of the apoptotic receptor Fas with cytotoxic agents could potentiate the response to therapy. However, Fas ligand (FasL) is not expressed in the brain and therefore this Fas-inducing cell death mechanism cannot be utilized. Vaccination of patients with gliomas has shown promising responses. In animal studies, brain tumors of vaccinated mice were infiltrated with activated T cells. Since activated immune cells express FasL, we hypothesized that combination of immunotherapy with chemotherapy can activate Fas signaling, which could be responsible for a synergistic or additive effect of the combination. When we treated the human glioma cell line U-87 and GBM tumor cells isolated from patients with TPT, Fas was up regulated. Subsequent administration of soluble Fas ligand (sFasL) to treated cells significantly increased their cell death indicating that these Fas receptors were functional. Similar effect was observed when CD3(+) T cells were used as a source of the FasL, indicating that the up regulated Fas expression on glioma cells increases their susceptibility to cytotoxic T cell killing. This additive effect was not observed when glioma cells were pre-treated with temozolomide, which was unable to increase Fas expression in tumor. Inhibition of FasL activity with the antagonistic antibody Nok-1 mitigated these effects confirming that these responses were specifically mediated by the Fas-FasL interaction. Furthermore, the CD3(+) T cells co-cultured with topotecan treated U-87 and autologous GBM tumor cells showed a significant increase in expression in IFN-gamma, a key cytokine produced by activated T cells, and accordingly enhanced tumor cytotoxicity. Based on our data we conclude that drugs, such as topotecan, which cause up regulation of Fas on glioma cells can be potentially exploited with immunotherapy to enhance immune clearance of tumors via Fas signaling.
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Affiliation(s)
- Jun Wei
- Department of Neurosurgery, Unit 442, The University of Texas M. D. Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX 77030 USA
| | - Guillermo DeAngulo
- Department of Pediatrics, Unit 87, The University of Texas M. D. Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX 77030 USA
| | - Wei Sun
- Department of Neurosurgery, Unit 442, The University of Texas M. D. Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX 77030 USA
| | - Sakina F. Hussain
- Department of Neurosurgery, Unit 442, The University of Texas M. D. Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX 77030 USA
| | - Hernan Vasquez
- Department of Pediatrics, Unit 87, The University of Texas M. D. Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX 77030 USA
| | - Justin Jordan
- Department of Neurosurgery, Unit 442, The University of Texas M. D. Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX 77030 USA
| | - Jeffery Weinberg
- Department of Neurosurgery, Unit 442, The University of Texas M. D. Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX 77030 USA
| | - Johannes Wolff
- Department of Pediatrics, Unit 87, The University of Texas M. D. Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX 77030 USA
| | - Nadya Koshkina
- Department of Pediatrics, Unit 87, The University of Texas M. D. Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX 77030 USA
| | - Amy B. Heimberger
- Department of Neurosurgery, Unit 442, The University of Texas M. D. Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX 77030 USA
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Kostianovsky AM, Maier LM, Anderson RC, Bruce JN, Anderson DE. Astrocytic regulation of human monocytic/microglial activation. THE JOURNAL OF IMMUNOLOGY 2008; 181:5425-32. [PMID: 18832699 DOI: 10.4049/jimmunol.181.8.5425] [Citation(s) in RCA: 98] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Recent reports have described reduced immunological responsiveness and stimulatory capacity among monocytes/microglia that infiltrate malignant human gliomas. Herein, we demonstrate that culture of ex vivo human monocytes or primary human microglia with tumor cells isolated from glioblastoma multiforme (GBM) specimens renders them tolerogenic, capable of suppressing the function of ex vivo monocytes in the absence of tumor cells or their soluble factors. We demonstrate that the tolerance induced in monocytes/microglia by GBM tumor cells is not associated with interference with the signaling cascade associated with TLR- or CD40-induced monocyte activation. Rather, these tumor cells appear to up-regulate pathways that antagonize positive signaling pathways, including but not limited to STAT3 and STAT5. Finally, we demonstrate that the tolerogenic properties of GBM tumor cells amplify properties inherent to nontransformed astrocytes. Future studies that identify all of the molecular mechanisms by which astrocytes and malignant gliomas suppress monocyte/microglial function will have dual therapeutic benefits: suppressing these pathways may benefit patients with astrocytic tumors, while enhancing them may benefit patients with autoimmune processes within the CNS, such as multiple sclerosis.
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Affiliation(s)
- Alex M Kostianovsky
- Department of Neurology, Center for Neurologic Diseases, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
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