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Zeller T, Münnich IA, Windisch R, Hilger P, Schewe DM, Humpe A, Kellner C. Perspectives of targeting LILRB1 in innate and adaptive immune checkpoint therapy of cancer. Front Immunol 2023; 14:1240275. [PMID: 37781391 PMCID: PMC10533923 DOI: 10.3389/fimmu.2023.1240275] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 08/08/2023] [Indexed: 10/03/2023] Open
Abstract
Immune checkpoint blockade is a compelling approach in tumor immunotherapy. Blocking inhibitory pathways in T cells has demonstrated clinical efficacy in different types of cancer and may hold potential to also stimulate innate immune responses. A novel emerging potential target for immune checkpoint therapy is leukocyte immunoglobulin-like receptor subfamily B member 1 (LILRB1). LILRB1 belongs to the superfamily of leukocyte immunoglobulin-like receptors and exerts inhibitory functions. The receptor is expressed by a variety of immune cells including macrophages as well as certain cytotoxic lymphocytes and contributes to the regulation of different immune responses by interaction with classical as well as non-classical human leukocyte antigen (HLA) class I molecules. LILRB1 has gained increasing attention as it has been demonstrated to function as a phagocytosis checkpoint on macrophages by recognizing HLA class I, which represents a 'Don't Eat Me!' signal that impairs phagocytic uptake of cancer cells, similar to CD47. The specific blockade of the HLA class I:LILRB1 axis may provide an option to promote phagocytosis by macrophages and also to enhance cytotoxic functions of T cells and natural killer (NK) cells. Currently, LILRB1 specific antibodies are in different stages of pre-clinical and clinical development. In this review, we introduce LILRB1 and highlight the features that make this immune checkpoint a promising target for cancer immunotherapy.
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Affiliation(s)
- Tobias Zeller
- Division of Transfusion Medicine, Cell Therapeutics and Haemostaseology, University Hospital, LMU Munich, Munich, Germany
| | - Ira A. Münnich
- Division of Transfusion Medicine, Cell Therapeutics and Haemostaseology, University Hospital, LMU Munich, Munich, Germany
| | - Roland Windisch
- Division of Transfusion Medicine, Cell Therapeutics and Haemostaseology, University Hospital, LMU Munich, Munich, Germany
| | - Patricia Hilger
- Division of Transfusion Medicine, Cell Therapeutics and Haemostaseology, University Hospital, LMU Munich, Munich, Germany
| | - Denis M. Schewe
- Medical Faculty, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Andreas Humpe
- Division of Transfusion Medicine, Cell Therapeutics and Haemostaseology, University Hospital, LMU Munich, Munich, Germany
| | - Christian Kellner
- Division of Transfusion Medicine, Cell Therapeutics and Haemostaseology, University Hospital, LMU Munich, Munich, Germany
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Li Y, Wei Y, Huang Y, Qin G, Zhao C, Ren J, Qu X. Lactate-Responsive Gene Editing to Synergistically Enhance Macrophage-Mediated Cancer Immunotherapy. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2301519. [PMID: 37156740 DOI: 10.1002/smll.202301519] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 04/19/2023] [Indexed: 05/10/2023]
Abstract
Combination therapies involving metabolic regulation and immune checkpoint blockade are considered an encouraging new strategy for cancer therapy. However, the effective utilization of combination therapies for activating tumor-associated macrophages (TAMs) remains challenging. Herein, a lactate-catalyzed chemodynamic approach to activate the therapeutic genome editing of signal-regulatory protein α (SIRPα) to reprogram TAMs and improve cancer immunotherapy is proposed. This system is constructed by encapsulating lactate oxidase (LOx) and clustered regularly interspaced short palindromic repeat-mediated SIRPα genome-editing plasmids in a metal-organic framework (MOF). The genome-editing system is released and activated by acidic pyruvate, which is produced by the LOx-catalyzed oxidation of lactate. The synergy between lactate exhaustion and SIRPα signal blockade can enhance the phagocytic ability of TAMs and promote the repolarization of TAMs to the antitumorigenic M1 phenotype. Lactate exhaustion-induced CD47-SIRPα blockade efficiently improves macrophage antitumor immune responses and effectively reverses the immunosuppressive tumor microenvironment to inhibit tumor growth, as demonstrated by in vitro and in vivo studies. This study provides a facile strategy for engineering TAMs in situ by combining CRISPR-mediated SIRPα knockout with lactate exhaustion for effective immunotherapy.
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Affiliation(s)
- Yuwei Li
- Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, P. R. China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Yue Wei
- Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, P. R. China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Ying Huang
- Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, P. R. China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Geng Qin
- Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, P. R. China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Chuanqi Zhao
- Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, P. R. China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Jinsong Ren
- Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, P. R. China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Xiaogang Qu
- Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, P. R. China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
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Kang W, Liu Y, Wang W. Light-responsive nanomedicine for cancer immunotherapy. Acta Pharm Sin B 2023; 13:2346-2368. [PMID: 37425044 PMCID: PMC10326299 DOI: 10.1016/j.apsb.2023.05.016] [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: 02/20/2023] [Revised: 04/12/2023] [Accepted: 04/13/2023] [Indexed: 07/11/2023] Open
Abstract
Immunotherapy emerged as a paradigm shift in cancer treatments, which can effectively inhibit cancer progression by activating the immune system. Remarkable clinical outcomes have been achieved through recent advances in cancer immunotherapy, including checkpoint blockades, adoptive cellular therapy, cancer vaccine, and tumor microenvironment modulation. However, extending the application of immunotherapy in cancer patients has been limited by the low response rate and side effects such as autoimmune toxicities. With great progress being made in nanotechnology, nanomedicine has been exploited to overcome biological barriers for drug delivery. Given the spatiotemporal control, light-responsive nanomedicine is of great interest in designing precise modality for cancer immunotherapy. Herein, we summarized current research utilizing light-responsive nanoplatforms to enhance checkpoint blockade immunotherapy, facilitate targeted delivery of cancer vaccines, activate immune cell functions, and modulate tumor microenvironment. The clinical translation potential of those designs is highlighted and challenges for the next breakthrough in cancer immunotherapy are discussed.
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Affiliation(s)
- Weirong Kang
- State Key Laboratory of Pharmaceutical Biotechnology, the University of Hong Kong, Hong Kong, China
- Department of Pharmacology and Pharmacy, Li Ka Shing Faculty of Medicine, the University of Hong Kong, Hong Kong, China
- Laboratory of Molecular Engineering and Nanomedicine, Dr. Li Dak-Sum Research Centre, the University of Hong Kong, Hong Kong, China
| | - Yuwei Liu
- State Key Laboratory of Pharmaceutical Biotechnology, the University of Hong Kong, Hong Kong, China
- Department of Pharmacology and Pharmacy, Li Ka Shing Faculty of Medicine, the University of Hong Kong, Hong Kong, China
- Laboratory of Molecular Engineering and Nanomedicine, Dr. Li Dak-Sum Research Centre, the University of Hong Kong, Hong Kong, China
| | - Weiping Wang
- State Key Laboratory of Pharmaceutical Biotechnology, the University of Hong Kong, Hong Kong, China
- Department of Pharmacology and Pharmacy, Li Ka Shing Faculty of Medicine, the University of Hong Kong, Hong Kong, China
- Laboratory of Molecular Engineering and Nanomedicine, Dr. Li Dak-Sum Research Centre, the University of Hong Kong, Hong Kong, China
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He S, Cheng P, Pu K. Activatable near-infrared probes for the detection of specific populations of tumour-infiltrating leukocytes in vivo and in urine. Nat Biomed Eng 2023; 7:281-297. [PMID: 36941352 DOI: 10.1038/s41551-023-01009-1] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 02/10/2023] [Indexed: 03/23/2023]
Abstract
Tracking the immune microenvironment of tumours is essential for understanding the mechanisms behind the effectiveness of cancer immunotherapies. Molecular imaging of tumour-infiltrating leukocytes (TILs) can be used to non-invasively monitor the tumour immune microenvironment, but current imaging agents do not distinguish TILs from leukocytes resident in other tissues. Here we report a library of activatable molecular probes for the imaging, via near-infrared fluorescence, of specific TILs (including M1 macrophages, cytotoxic T lymphocytes and neutrophils) in vivo in real time and also via excreted urine, owing to the probes' renal clearance. The fluorescence of the probes is activated only in the presence of both tumour and leukocyte biomarkers, which allows for the imaging of populations of specific TILs in mouse models of cancers with sensitivities and specificities similar to those achieved via flow-cytometric analyses of biopsied tumour tissues. We also show that the probes enable the non-invasive evaluation of the immunogenicity of different tumours, the dynamic monitoring of responses to immunotherapies and the accurate prediction of tumour growth under various treatments.
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Affiliation(s)
- Shasha He
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, Singapore, Singapore
| | - Penghui Cheng
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, Singapore, Singapore
| | - Kanyi Pu
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, Singapore, Singapore.
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore.
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Peipp M, Klausz K, Boje AS, Zeller T, Zielonka S, Kellner C. Immunotherapeutic targeting of activating natural killer cell receptors and their ligands in cancer. Clin Exp Immunol 2022; 209:22-32. [PMID: 35325068 PMCID: PMC9307233 DOI: 10.1093/cei/uxac028] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 03/15/2022] [Accepted: 03/22/2022] [Indexed: 02/06/2023] Open
Abstract
Natural killer (NK) cells exert an important role in cancer immune surveillance. Recognition of malignant cells and controlled activation of effector functions are facilitated by the expression of activating and inhibitory receptors, which is a complex interplay that allows NK cells to discriminate malignant cells from healthy tissues. Due to their unique profile of effector functions, the recruitment of NK cells is attractive in cancer treatment and a key function of NK cells in antibody therapy is widely appreciated. In recent years, besides the low-affinity fragment crystallizable receptor for immunoglobulin G (FcγRIIIA), the activating natural killer receptors p30 (NKp30) and p46 (NKp46), as well as natural killer group 2 member D (NKG2D), have gained increasing attention as potential targets for bispecific antibody-derivatives to redirect NK cell cytotoxicity against tumors. Beyond modulation of the receptor activity on NK cells, therapeutic targeting of the respective ligands represents an attractive approach. Here, novel therapeutic approaches to unleash NK cells by engagement of activating NK-cell receptors and alternative strategies targeting their tumor-expressed ligands in cancer therapy are summarized.
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Affiliation(s)
- Matthias Peipp
- Division of Antibody-Based Immunotherapy, Department of Internal Medicine II, Christian Albrechts University and University Hospital Schleswig-Holstein, Kiel, Germany
| | - Katja Klausz
- Division of Antibody-Based Immunotherapy, Department of Internal Medicine II, Christian Albrechts University and University Hospital Schleswig-Holstein, Kiel, Germany
| | - Ammelie Svea Boje
- Division of Antibody-Based Immunotherapy, Department of Internal Medicine II, Christian Albrechts University and University Hospital Schleswig-Holstein, Kiel, Germany
| | - Tobias Zeller
- Division of Transfusion Medicine, Cell Therapeutics and Haemostaseology, University Hospital, LMU Munich, Munich, Germany
| | - Stefan Zielonka
- Protein Engineering and Antibody Technologies, Merck Healthcare KGaA, Darmstadt, Germany
| | - Christian Kellner
- Correspondence: Christian Kellner, Division of Transfusion Medicine, Cell Therapeutics and Haemostaseology, University Hospital, LMU Munich, Munich, Germany.
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Behrens LM, van den Berg TK, van Egmond M. Targeting the CD47-SIRPα Innate Immune Checkpoint to Potentiate Antibody Therapy in Cancer by Neutrophils. Cancers (Basel) 2022; 14:cancers14143366. [PMID: 35884427 PMCID: PMC9319280 DOI: 10.3390/cancers14143366] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 07/06/2022] [Accepted: 07/07/2022] [Indexed: 12/19/2022] Open
Abstract
Simple Summary Immunotherapy aims to engage various immune cells in the elimination of cancer cells. Neutrophils are the most abundant leukocytes in the circulation and have unique mechanisms by which they can kill cancer cells opsonized by antibodies. However, neutrophil effector functions are limited by the inhibitory receptor SIRPα, when it interacts with CD47. The CD47 protein is expressed on all cells in the body and acts as a ‘don’t eat me’ signal to prevent tissue damage. Cancer cells can express high levels of CD47 to circumvent tumor elimination. Thus, blocking the interaction between CD47 and SIRPα may enhance anti-tumor effects by neutrophils in the presence of tumor-targeting monoclonal antibodies. In this review, we discuss CD47-SIRPα as an innate immune checkpoint on neutrophils and explore the preliminary results of clinical trials using CD47-SIRPα blocking agents. Abstract In the past 25 years, a considerable number of therapeutic monoclonal antibodies (mAb) against a variety of tumor-associated antigens (TAA) have become available for the targeted treatment of hematologic and solid cancers. Such antibodies opsonize cancer cells and can trigger cytotoxic responses mediated by Fc-receptor expressing immune cells in the tumor microenvironment (TME). Although frequently ignored, neutrophils, which are abundantly present in the circulation and many cancers, have demonstrated to constitute bona fide effector cells for antibody-mediated tumor elimination in vivo. It has now also been established that neutrophils exert a unique mechanism of cytotoxicity towards antibody-opsonized tumor cells, known as trogoptosis, which involves Fc-receptor (FcR)-mediated trogocytosis of cancer cell plasma membrane leading to a lytic/necrotic type of cell death. However, neutrophils prominently express the myeloid inhibitory receptor SIRPα, which upon interaction with the ‘don’t eat me’ signal CD47 on cancer cells, limits cytotoxicity, forming a mechanism of resistance towards anti-cancer antibody therapeutics. In fact, tumor cells often overexpress CD47, thereby even more strongly restricting neutrophil-mediated tumor killing. Blocking the CD47-SIRPα interaction may therefore potentiate neutrophil-mediated antibody-dependent cellular cytotoxicity (ADCC) towards cancer cells, and various inhibitors of the CD47-SIRPα axis are now in clinical studies. Here, we review the role of neutrophils in antibody therapy in cancer and their regulation by the CD47-SIRPα innate immune checkpoint. Moreover, initial results of CD47-SIRPα blockade in clinical trials are discussed.
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Affiliation(s)
- Leonie M. Behrens
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Vrije Universiteit Amsterdam, 1081 HV Amsterdam, The Netherlands; (T.K.v.d.B.); (M.v.E.)
- Cancer Center Amsterdam, Cancer Biology and Immunology Program, 1081 HV Amsterdam, The Netherlands
- Amsterdam Institute for Infection and Immunity, Cancer Immunology Program, 1081 HV Amsterdam, The Netherlands
- Correspondence:
| | - Timo K. van den Berg
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Vrije Universiteit Amsterdam, 1081 HV Amsterdam, The Netherlands; (T.K.v.d.B.); (M.v.E.)
- Byondis B.V., 6545 CM Nijmegen, The Netherlands
| | - Marjolein van Egmond
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Vrije Universiteit Amsterdam, 1081 HV Amsterdam, The Netherlands; (T.K.v.d.B.); (M.v.E.)
- Cancer Center Amsterdam, Cancer Biology and Immunology Program, 1081 HV Amsterdam, The Netherlands
- Amsterdam Institute for Infection and Immunity, Cancer Immunology Program, 1081 HV Amsterdam, The Netherlands
- Department of Surgery, Amsterdam UMC, Vrije Universiteit Amsterdam, 1081 HV Amsterdam, The Netherlands
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New Targets for Antiviral Therapy: Inhibitory Receptors and Immune Checkpoints on Myeloid Cells. Viruses 2022; 14:v14061144. [PMID: 35746616 PMCID: PMC9230063 DOI: 10.3390/v14061144] [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: 05/12/2022] [Accepted: 05/23/2022] [Indexed: 11/26/2022] Open
Abstract
Immune homeostasis is achieved by balancing the activating and inhibitory signal transduction pathways mediated via cell surface receptors. Activation allows the host to mount an immune response to endogenous and exogenous antigens; suppressive modulation via inhibitory signaling protects the host from excessive inflammatory damage. The checkpoint regulation of myeloid cells during immune homeostasis raised their profile as important cellular targets for treating allergy, cancer and infectious disease. This review focuses on the structure and signaling of inhibitory receptors on myeloid cells, with particular attention placed on how the interplay between viruses and these receptors regulates antiviral immunity. The status of targeting inhibitory receptors on myeloid cells as a new therapeutic approach for antiviral treatment will be analyzed.
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Li J, Ye Y, Liu Z, Zhang G, Dai H, Li J, Zhou B, Li Y, Zhao Q, Huang J, Feng J, Liu S, Ruan P, Wang J, Liu J, Huang M, Liu X, Yu S, Liang Z, Ma L, Gou X, Zhang G, Chen N, Lu Y, Di C, Xia Q, Pan J, Feng R, Cai Q, Su S. Macrophage mitochondrial fission improves cancer cell phagocytosis induced by therapeutic antibodies and is impaired by glutamine competition. NATURE CANCER 2022; 3:453-470. [PMID: 35484420 DOI: 10.1038/s43018-022-00354-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 03/02/2022] [Indexed: 06/14/2023]
Abstract
Phagocytosis is required for the optimal efficacy of many approved and promising therapeutic antibodies for various malignancies. However, the factors that determine the response to therapies that rely on phagocytosis remain largely elusive. Here, we demonstrate that mitochondrial fission in macrophages induced by multiple antibodies is essential for phagocytosis of live tumor cells. Tumor cells resistant to phagocytosis inhibit mitochondrial fission of macrophages by overexpressing glutamine-fructose-6-phosphate transaminase 2 (GFPT2), which can be targeted to improve antibody efficacy. Mechanistically, increased cytosolic calcium by mitochondrial fission abrogates the phase transition of the Wiskott-Aldrich syndrome protein (WASP)-Wiskott-Aldrich syndrome interacting protein (WIP) complex and enables protein kinase C-θ (PKC-θ) to phosphorylate WIP during phagocytosis. GFPT2-mediated excessive use of glutamine by tumor cells impairs mitochondrial fission and prevents access of PKC-θ to compartmentalized WIP in macrophages. Our data suggest that mitochondrial dynamics dictate the phase transition of the phagocytic machinery and identify GFPT2 as a potential target to improve antibody therapy.
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Affiliation(s)
- Jiang Li
- Guangdong Provincial Key Laboratory of Malignant Tumour Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
- Breast Tumour Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
- Department of Breast Surgery, The Affiliated Hospital of Guizhou Medical University, Guiyang, China
| | - Yingying Ye
- Guangdong Provincial Key Laboratory of Malignant Tumour Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
- Breast Tumour Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Zhihan Liu
- Guangdong Provincial Key Laboratory of Malignant Tumour Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
- Breast Tumour Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Guoyang Zhang
- Department of Hematology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Huiqi Dai
- Guangdong Provincial Key Laboratory of Malignant Tumour Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
- Breast Tumour Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Jiaqian Li
- Guangdong Provincial Key Laboratory of Malignant Tumour Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
- Breast Tumour Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Boxuan Zhou
- Guangdong Provincial Key Laboratory of Malignant Tumour Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
- Breast Tumour Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Yihong Li
- Guangdong Provincial Key Laboratory of Malignant Tumour Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
- Breast Tumour Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Qiyi Zhao
- Department of Infectious Diseases, Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Jingying Huang
- Guangdong Provincial Key Laboratory of Malignant Tumour Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
- Breast Tumour Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Jingwei Feng
- Guangdong Provincial Key Laboratory of Malignant Tumour Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
- Breast Tumour Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Shu Liu
- Department of Breast Surgery, The Affiliated Hospital of Guizhou Medical University, Guiyang, China
| | - Peigang Ruan
- Department of Head and Neck Oncology, Second Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Jinjing Wang
- Department of Pathology, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Jiang Liu
- Guangdong Provincial Key Laboratory of Malignant Tumour Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
- Breast Tumour Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Min Huang
- Guangdong Provincial Key Laboratory of Malignant Tumour Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
- Breast Tumour Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Xinwei Liu
- Guangdong Provincial Key Laboratory of Malignant Tumour Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
- Breast Tumour Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Shubin Yu
- Guangdong Provincial Key Laboratory of Malignant Tumour Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
- Breast Tumour Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Ziyang Liang
- Department of Hematology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Liping Ma
- Department of Hematology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Xiaoxia Gou
- Department of Head and Neck Oncology, Second Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Guoliang Zhang
- Department of Head and Neck Oncology, Second Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Nian Chen
- Department of Head and Neck Oncology, Second Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Yiwen Lu
- Guangdong Provincial Key Laboratory of Malignant Tumour Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
- Breast Tumour Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Can Di
- Guangdong Provincial Key Laboratory of Malignant Tumour Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
- Breast Tumour Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Qidong Xia
- Guangdong Provincial Key Laboratory of Malignant Tumour Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
- Breast Tumour Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Jiayao Pan
- Guangdong Provincial Key Laboratory of Malignant Tumour Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
- Breast Tumour Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Ru Feng
- Department of Hematology, Nanfang Hospital of Southern Medical University, Guangzhou, China
| | - Qingqing Cai
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
- Department of Medical Oncology, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Shicheng Su
- Guangdong Provincial Key Laboratory of Malignant Tumour Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.
- Breast Tumour Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.
- Department of Infectious Diseases, Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China.
- Biotherapy Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.
- Department of Immunology, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, China.
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Yanai H, Hangai S, Taniguchi T. Damage-associated molecular patterns and Toll-like receptors in the tumor immune microenvironment. Int Immunol 2021; 33:841-846. [PMID: 34357403 DOI: 10.1093/intimm/dxab050] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 08/06/2021] [Indexed: 11/14/2022] Open
Abstract
As clinically demonstrated by the success of immunotherapies to improve survival outcomes, tumors are known to gain a survival advantage by circumventing immune surveillance. A defining feature of this is the creation and maintenance of a tumor immune microenvironment (TIME) that directly and indirectly alters the host's immunologic signaling pathways through a variety of mechanisms. Tumor-intrinsic mechanisms that instruct the formation and maintenance of the TIME have been an area of intensive study, such as the identification and characterization of soluble factors actively and passively released by tumor cells that modulate immune cell function. In particular, damage-associated molecular pattern molecules (DAMPs) typically released by necrotic tumor cells are recognized by innate immune receptors such as Toll-like receptors (TLRs) and stimulate immune cells within TIME. Given their broad and potent effects on the immune system, a better understanding for how DAMP and TLR interactions sculpt the TIME to favor tumor growth would identify new strategies and approaches for cancer immunotherapy.
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Affiliation(s)
- Hideyuki Yanai
- Department of Inflammology, Research Center for Advanced Science and Technology, University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8904, Japan
| | - Sho Hangai
- Department of Inflammology, Research Center for Advanced Science and Technology, University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8904, Japan
| | - Tadatsugu Taniguchi
- Department of Inflammology, Research Center for Advanced Science and Technology, University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8904, Japan
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10
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Baumann N, Rösner T, Jansen JHM, Chan C, Marie Eichholz K, Klausz K, Winterberg D, Müller K, Humpe A, Burger R, Peipp M, Schewe DM, Kellner C, Leusen JHW, Valerius T. Enhancement of epidermal growth factor receptor antibody tumor immunotherapy by glutaminyl cyclase inhibition to interfere with CD47/signal regulatory protein alpha interactions. Cancer Sci 2021; 112:3029-3040. [PMID: 34058788 PMCID: PMC8353920 DOI: 10.1111/cas.14999] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 05/17/2021] [Accepted: 05/23/2021] [Indexed: 12/21/2022] Open
Abstract
Integrin associated protein (CD47) is an important target in immunotherapy, as it is expressed as a "don't eat me" signal on many tumor cells. Interference with its counter molecule signal regulatory protein alpha (SIRPα), expressed on myeloid cells, can be achieved with blocking Abs, but also by inhibiting the enzyme glutaminyl cyclase (QC) with small molecules. Glutaminyl cyclase inhibition reduces N-terminal pyro-glutamate formation of CD47 at the SIRPα binding site. Here, we investigated the impact of QC inhibition on myeloid effector cell-mediated tumor cell killing by epidermal growth factor receptor (EGFR) Abs and the influence of Ab isotypes. SEN177 is a QC inhibitor and did not interfere with EGFR Ab-mediated direct growth inhibition, complement-dependent cytotoxicity, or Ab-dependent cell-mediated cytotoxicity (ADCC) by mononuclear cells. However, binding of a human soluble SIRPα-Fc fusion protein to SEN177 treated cancer cells was significantly reduced in a dose-dependent manner, suggesting that pyro-glutamate formation of CD47 was affected. Glutaminyl cyclase inhibition in tumor cells translated into enhanced Ab-dependent cellular phagocytosis by macrophages and enhanced ADCC by polymorphonuclear neutrophilic granulocytes. Polymorphonuclear neutrophilic granulocyte-mediated ADCC was significantly more effective with EGFR Abs of human IgG2 or IgA2 isotypes than with IgG1 Abs, proposing that the selection of Ab isotypes could critically affect the efficacy of Ab therapy in the presence of QC inhibition. Importantly, QC inhibition also enhanced the therapeutic efficacy of EGFR Abs in vivo. Together, these results suggest a novel approach to specifically enhance myeloid effector cell-mediated efficacy of EGFR Abs by orally applicable small molecule QC inhibitors.
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Affiliation(s)
- Niklas Baumann
- Section for Stem Cell Transplantation and ImmunotherapyDepartment of Medicine IIChristian‐Albrechts‐University Kiel and University Medical Center Schleswig‐Holstein, Campus KielKielGermany
| | - Thies Rösner
- Section for Stem Cell Transplantation and ImmunotherapyDepartment of Medicine IIChristian‐Albrechts‐University Kiel and University Medical Center Schleswig‐Holstein, Campus KielKielGermany
| | - J. H. Marco Jansen
- Immunotherapy LaboratoryCenter for Translational ImmunologyUniversity Medical Center UtrechtUtrechtThe Netherlands
| | - Chilam Chan
- Immunotherapy LaboratoryCenter for Translational ImmunologyUniversity Medical Center UtrechtUtrechtThe Netherlands
| | - Klara Marie Eichholz
- Section for Stem Cell Transplantation and ImmunotherapyDepartment of Medicine IIChristian‐Albrechts‐University Kiel and University Medical Center Schleswig‐Holstein, Campus KielKielGermany
| | - Katja Klausz
- Section for Stem Cell Transplantation and ImmunotherapyDepartment of Medicine IIChristian‐Albrechts‐University Kiel and University Medical Center Schleswig‐Holstein, Campus KielKielGermany
| | - Dorothee Winterberg
- Pediatric Hematology/OncologyALL‐BFM Study GroupChristian‐Albrechts‐University Kiel and University Medical Center Schleswig‐Holstein, Campus KielKielGermany
| | - Kristina Müller
- Pediatric Hematology/OncologyALL‐BFM Study GroupChristian‐Albrechts‐University Kiel and University Medical Center Schleswig‐Holstein, Campus KielKielGermany
| | - Andreas Humpe
- Department of Transfusion Medicine, Cell Therapeutics and HemostaseologyUniversity HospitalLMU MunichMunichGermany
| | - Renate Burger
- Section for Stem Cell Transplantation and ImmunotherapyDepartment of Medicine IIChristian‐Albrechts‐University Kiel and University Medical Center Schleswig‐Holstein, Campus KielKielGermany
| | - Matthias Peipp
- Section for Stem Cell Transplantation and ImmunotherapyDepartment of Medicine IIChristian‐Albrechts‐University Kiel and University Medical Center Schleswig‐Holstein, Campus KielKielGermany
| | - Denis M. Schewe
- Pediatric Hematology/OncologyALL‐BFM Study GroupChristian‐Albrechts‐University Kiel and University Medical Center Schleswig‐Holstein, Campus KielKielGermany
| | - Christian Kellner
- Department of Transfusion Medicine, Cell Therapeutics and HemostaseologyUniversity HospitalLMU MunichMunichGermany
| | - Jeanette H. W. Leusen
- Immunotherapy LaboratoryCenter for Translational ImmunologyUniversity Medical Center UtrechtUtrechtThe Netherlands
| | - Thomas Valerius
- Section for Stem Cell Transplantation and ImmunotherapyDepartment of Medicine IIChristian‐Albrechts‐University Kiel and University Medical Center Schleswig‐Holstein, Campus KielKielGermany
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11
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Recent advances in tumor microenvironment-targeted nanomedicine delivery approaches to overcome limitations of immune checkpoint blockade-based immunotherapy. J Control Release 2021; 332:109-126. [DOI: 10.1016/j.jconrel.2021.02.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 01/24/2021] [Accepted: 02/04/2021] [Indexed: 02/07/2023]
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12
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Caponegro MD, Oh K, Madeira MM, Radin D, Sterge N, Tayyab M, Moffitt RA, Tsirka SE. A distinct microglial subset at the tumor-stroma interface of glioma. Glia 2021; 69:1767-1781. [PMID: 33704822 DOI: 10.1002/glia.23991] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 02/09/2021] [Accepted: 03/02/2021] [Indexed: 02/01/2023]
Abstract
The characterization of the tumor microenvironment (TME) in high grade gliomas (HGG) has generated significant interest in an effort to understand how neoplastic lesions in the central nervous system (CNS) are supported and to devise novel therapeutic targets. The TME of the CNS contains unique and specialized cells, including the resident myeloid cells, microglia. Myeloid involvement in HGG, such as glioblastoma, is associated with poor outcomes. Glioma-associated microglia and infiltrating monocytes/macrophages (GAM) accumulate within the neoplastic lesion where they facilitate tumor growth and drive immunosuppression. However, it has been difficult to differentiate whether microglia and macrophages have similar or distinct roles in pathology, and if the spatial organization of these cells informs outcomes. Here, we characterize the tumor-stroma border and identify peritumoral GAM (PGAM) as a unique subpopulation of GAM. Using data mining and analyses of samples derived from both murine and human sources we show that PGAM exhibit a pro-inflammatory and chemotactic phenotype that is associated with peripheral monocyte recruitment, and decreased overall survival. PGAM act as a unique subset of GAM at the tumor-stroma interface. We define a novel gene signature to identify these cells and suggest that PGAM constitute a cellular target of the TME.
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Affiliation(s)
- Michael D Caponegro
- Program in Molecular and Cellular Pharmacology, Renaissance School of Medicine at Stony Brook University, Stony Brook, New York, USA.,Department of Pharmacological Sciences, Renaissance School of Medicine at Stony Brook University, Stony Brook, New York, USA
| | - Ki Oh
- Medical Scientist Training Program, Renaissance School of Medicine at Stony Brook University, Stony Brook, New York, USA.,Department of Biomedical Informatics, Renaissance School of Medicine at Stony Brook University, Stony Brook, New York, USA
| | - Miguel M Madeira
- Program in Molecular and Cellular Pharmacology, Renaissance School of Medicine at Stony Brook University, Stony Brook, New York, USA.,Department of Pharmacological Sciences, Renaissance School of Medicine at Stony Brook University, Stony Brook, New York, USA
| | - Daniel Radin
- Program in Molecular and Cellular Pharmacology, Renaissance School of Medicine at Stony Brook University, Stony Brook, New York, USA.,Department of Pharmacological Sciences, Renaissance School of Medicine at Stony Brook University, Stony Brook, New York, USA.,Medical Scientist Training Program, Renaissance School of Medicine at Stony Brook University, Stony Brook, New York, USA
| | - Nicholas Sterge
- Department of Pharmacological Sciences, Renaissance School of Medicine at Stony Brook University, Stony Brook, New York, USA
| | - Maryam Tayyab
- Department of Pharmacological Sciences, Renaissance School of Medicine at Stony Brook University, Stony Brook, New York, USA
| | - Richard A Moffitt
- Department of Pharmacological Sciences, Renaissance School of Medicine at Stony Brook University, Stony Brook, New York, USA.,Department of Biomedical Informatics, Renaissance School of Medicine at Stony Brook University, Stony Brook, New York, USA.,Department of Pathology, Renaissance School of Medicine at Stony Brook University, Stony Brook, New York, USA.,Stony Brook Cancer Center, Renaissance School of Medicine at Stony Brook University, Stony Brook, New York, USA
| | - Stella E Tsirka
- Program in Molecular and Cellular Pharmacology, Renaissance School of Medicine at Stony Brook University, Stony Brook, New York, USA.,Department of Pharmacological Sciences, Renaissance School of Medicine at Stony Brook University, Stony Brook, New York, USA
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13
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Franke K, Pillai SY, Hoogenboezem M, Gijbels MJJ, Matlung HL, Geissler J, Olsman H, Pottgens C, van Gorp PJ, Ozsvar-Kozma M, Saito Y, Matozaki T, Kuijpers TW, Hendriks RW, Kraal G, Binder CJ, de Winther MPJ, van den Berg TK. SIRPα on Mouse B1 Cells Restricts Lymphoid Tissue Migration and Natural Antibody Production. Front Immunol 2020; 11:570963. [PMID: 33162986 PMCID: PMC7581795 DOI: 10.3389/fimmu.2020.570963] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Accepted: 09/17/2020] [Indexed: 01/19/2023] Open
Abstract
The inhibitory immunoreceptor SIRPα is expressed on myeloid and neuronal cells and interacts with the broadly expressed CD47. CD47-SIRPα interactions form an innate immune checkpoint and its targeting has shown promising results in cancer patients. Here, we report expression of SIRPα on B1 lymphocytes, a subpopulation of murine B cells responsible for the production of natural antibodies. Mice defective in SIRPα signaling (SIRPαΔCYT mice) displayed an enhanced CD11b/CD18 integrin-dependent B1 cell migration from the peritoneal cavity to the spleen, local B1 cell accumulation, and enhanced circulating natural antibody levels, which was further amplified upon immunization with T-independent type 2 antigen. As natural antibodies are atheroprotective, we investigated the involvement of SIRPα signaling in atherosclerosis development. Bone marrow (SIRPαΔCYT>LDLR−/−) chimaeric mice developed reduced atherosclerosis accompanied by increased natural antibody production. Collectively, our data identify SIRPα as a unique B1 cell inhibitory receptor acting to control B1 cell migration, and imply SIRPα as a potential therapeutic target in atherosclerosis.
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Affiliation(s)
- Katka Franke
- Sanquin Research and Landsteiner Laboratory, Department of Blood Cell Research, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | | | - Mark Hoogenboezem
- Sanquin Research and Landsteiner Laboratory, Department of Plasma Protein, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Marion J J Gijbels
- Department of Medical Biochemistry, Experimental Vascular Biology, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands.,Department of Pathology, CARIM, Cardiovascular Research Institute Maastricht, GROW-School for Oncology and Developmental Biology, Maastricht University, Maastricht, Netherlands
| | - Hanke L Matlung
- Sanquin Research and Landsteiner Laboratory, Department of Blood Cell Research, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Judy Geissler
- Sanquin Research and Landsteiner Laboratory, Department of Blood Cell Research, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Hugo Olsman
- Sanquin Research and Landsteiner Laboratory, Department of Blood Cell Research, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Chantal Pottgens
- Department of Medical Biochemistry, Experimental Vascular Biology, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Patrick J van Gorp
- Department of Medical Biochemistry, Experimental Vascular Biology, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Maria Ozsvar-Kozma
- Department of Laboratory Diagnostics, Medical University of Vienna, Vienna, Austria
| | - Yasuyuki Saito
- Division of Molecular and Cellular Signaling, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Takashi Matozaki
- Division of Molecular and Cellular Signaling, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Taco W Kuijpers
- Sanquin Research and Landsteiner Laboratory, Department of Blood Cell Research, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands.,Department of Pediatric Hematology, Immunology and Infectious Disease, Emma Children's Hospital, Academic Medical Center, University of Amsterdam, Amsterdam, Netherlands
| | - Rudi W Hendriks
- Department of Pulmonary Medicine, Erasmus MC, Rotterdam, Netherlands
| | - Georg Kraal
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam Infection and Immunity Institute, Amsterdam, Netherlands
| | - Christoph J Binder
- Department of Laboratory Diagnostics, Medical University of Vienna, Vienna, Austria
| | - Menno P J de Winther
- Department of Medical Biochemistry, Experimental Vascular Biology, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands.,Institute for Cardiovascular Prevention (IPEK), Munich, Germany
| | - Timo K van den Berg
- Sanquin Research and Landsteiner Laboratory, Department of Blood Cell Research, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands.,Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam Infection and Immunity Institute, Amsterdam, Netherlands
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14
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Le Saux O, Ray-Coquard I, Labidi-Galy SI. Challenges for immunotherapy for the treatment of platinum resistant ovarian cancer. Semin Cancer Biol 2020; 77:127-143. [DOI: 10.1016/j.semcancer.2020.08.017] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 08/27/2020] [Accepted: 08/27/2020] [Indexed: 12/24/2022]
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15
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Tumor Cell-Intrinsic Immunometabolism and Precision Nutrition in Cancer Immunotherapy. Cancers (Basel) 2020; 12:cancers12071757. [PMID: 32630618 PMCID: PMC7409312 DOI: 10.3390/cancers12071757] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Revised: 06/26/2020] [Accepted: 06/30/2020] [Indexed: 12/19/2022] Open
Abstract
One of the greatest challenges in the cancer immunotherapy field is the need to biologically rationalize and broaden the clinical utility of immune checkpoint inhibitors (ICIs). The balance between metabolism and immune response has critical implications for overcoming the major weaknesses of ICIs, including their lack of universality and durability. The last decade has seen tremendous advances in understanding how the immune system's ability to kill tumor cells requires the conspicuous metabolic specialization of T-cells. We have learned that cancer cell-associated metabolic activities trigger shifts in the abundance of some metabolites with immunosuppressory roles in the tumor microenvironment. Yet very little is known about the tumor cell-intrinsic metabolic traits that control the immune checkpoint contexture in cancer cells. Likewise, we lack a comprehensive understanding of how systemic metabolic perturbations in response to dietary interventions can reprogram the immune checkpoint landscape of tumor cells. We here review state-of-the-art molecular- and functional-level interrogation approaches to uncover how cell-autonomous metabolic traits and diet-mediated changes in nutrient availability and utilization might delineate new cancer cell-intrinsic metabolic dependencies of tumor immunogenicity. We propose that clinical monitoring and in-depth molecular evaluation of the cancer cell-intrinsic metabolic traits involved in primary, adaptive, and acquired resistance to cancer immunotherapy can provide the basis for improvements in therapeutic responses to ICIs. Overall, these approaches might guide the use of metabolic therapeutics and dietary approaches as novel strategies to broaden the spectrum of cancer patients and indications that can be effectively treated with ICI-based cancer immunotherapy.
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16
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Peyster EG, Wang C, Ishola F, Remeniuk B, Hoyt C, Feldman MD, Margulies KB. In Situ Immune Profiling of Heart Transplant Biopsies Improves Diagnostic Accuracy and Rejection Risk Stratification. JACC Basic Transl Sci 2020; 5:328-340. [PMID: 32368693 PMCID: PMC7188920 DOI: 10.1016/j.jacbts.2020.01.015] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Revised: 01/24/2020] [Accepted: 01/24/2020] [Indexed: 12/15/2022]
Abstract
Recognizing that guideline-directed histologic grading of endomyocardial biopsy tissue samples for rejection surveillance has limited diagnostic accuracy, quantitative, in situ characterization was performed of several important immune cell types in a retrospective cohort of clinical endomyocardial tissue samples. Differences between cases were identified and were grouped by histologic grade versus clinical rejection trajectory, with significantly increased programmed death ligand 1+, forkhead box P3+, and cluster of differentiation 68+ cells suppressed in clinically evident rejections, especially cases with marked clinical-histologic discordance. Programmed death ligand 1+, forkhead box P3+, and cluster of differentiation 68+ cell proportions are also significantly higher in "never-rejection" when compared with "future-rejection." These findings suggest that in situ immune modulators regulate the severity of cardiac allograft rejection.
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Affiliation(s)
- Eliot G Peyster
- Cardiovascular Research Institute, University of Pennsylvania, Philadelphia, Pennsylvania
| | | | | | | | | | - Michael D Feldman
- Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Kenneth B Margulies
- Cardiovascular Research Institute, University of Pennsylvania, Philadelphia, Pennsylvania
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17
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Saini M, Szczerba BM, Aceto N. Circulating Tumor Cell-Neutrophil Tango along the Metastatic Process. Cancer Res 2019; 79:6067-6073. [DOI: 10.1158/0008-5472.can-19-1972] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 08/16/2019] [Accepted: 09/03/2019] [Indexed: 11/16/2022]
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