301
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Roselli E, Frieling JS, Thorner K, Ramello MC, Lynch CC, Abate-Daga D. CAR-T Engineering: Optimizing Signal Transduction and Effector Mechanisms. BioDrugs 2020; 33:647-659. [PMID: 31552606 DOI: 10.1007/s40259-019-00384-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The adoptive transfer of genetically engineered T cells expressing a chimeric antigen receptor (CAR) has shown remarkable results against B cell malignancies. This immunotherapeutic approach has advanced and expanded rapidly from preclinical models to the recent approval of CAR-T cells to treat lymphomas and leukemia by the Food and Drug Administration (FDA). Ongoing research efforts are focused on employing CAR-T cells as a therapy for other cancers, and enhancing their efficacy and safety by optimizing their design. Here we summarize modifications in the intracellular domain of the CAR that gave rise to first-, second-, third- and next-generation CAR-T cells, together with the impact that these different designs have on CAR-T cell biology and function. Further, we describe how the structure of the antigen-sensing ectodomain can be enhanced, leading to superior CAR-T cell signaling and/or function. Finally we discuss how tissue-specific factors may impact the clinical efficacy of CAR-T cells for bone and the central nervous system, as examples of specific indications that may require further CAR signaling optimization to perform in such inhospitable microenvironments.
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Affiliation(s)
- Emiliano Roselli
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, 33612, USA
| | - Jeremy S Frieling
- Department of Tumor Biology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, 33612, USA
| | - Konrad Thorner
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, 33612, USA
| | - María C Ramello
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, 33612, USA
| | - Conor C Lynch
- Department of Tumor Biology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, 33612, USA
| | - Daniel Abate-Daga
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, 33612, USA. .,Department of Cutaneous Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, 33612, USA. .,Department of Gastrointestinal Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, 33612, USA. .,Department of Oncologic Sciences, Morsani School of Medicine, University of South Florida, Tampa, FL, 33612, USA.
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302
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Liu M, Gao Y, Yuan Y, Shi S, Yang K, Wu J, Zhang J, Tian J. Global hotspots and future prospects of chimeric antigen receptor T-cell therapy in cancer research: a bibliometric analysis. Future Oncol 2020; 16:597-612. [DOI: 10.2217/fon-2019-0810] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Aim: Our study aimed to analyze the characteristics of papers published on CAR T-cell in the field of cancer and explore the existing hot topics and prospects. Materials & methods: We explored the global hotspots and future prospects regarding CAR T-cell therapy in cancer research. Papers of CAR T-cell research were retrieved from the Web of Science database. Analysis was performed using VOSviewer, CiteSpace and Excel software. Results: A total number of 1994 papers related to CAR T-cell research of cancer were included. Molecular Therapy published the most papers (n = 85, 4.26%). A total of 9792 authors participated in the publication of all papers. 62 countries and 2065 institutions have participated in the publication of all papers. Conclusion: Research trends are to improve the immunosuppressive microenvironment of cancer, optimize the structure of CAR T-cells and develop ‘super CAR T-cell’ by using gene-editing technology.
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Affiliation(s)
- Ming Liu
- Evidence Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, PR China
- Key Laboratory of Evidence-Based Medicine & Knowledge Translation of Gansu Province, Lanzhou 730000, PR China
| | - Ya Gao
- Evidence Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, PR China
- Key Laboratory of Evidence-Based Medicine & Knowledge Translation of Gansu Province, Lanzhou 730000, PR China
| | - Yuan Yuan
- Gansu University of Chinese Medicine, Lanzhou 730000, PR China
| | - Shuzhen Shi
- Evidence Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, PR China
- Key Laboratory of Evidence-Based Medicine & Knowledge Translation of Gansu Province, Lanzhou 730000, PR China
| | - Kelu Yang
- School of Nursing, Lanzhou University, Lanzhou 730000, PR China
| | - Jiarui Wu
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100000, PR China
| | - Junhua Zhang
- Evidence-Based Medicine Center, Tianjin University of Traditional Chinese Medicine, Tianjin 300193, PR China
| | - Jinhui Tian
- Evidence Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, PR China
- Key Laboratory of Evidence-Based Medicine & Knowledge Translation of Gansu Province, Lanzhou 730000, PR China
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303
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Ma X, Shou P, Smith C, Chen Y, Du H, Sun C, Porterfield Kren N, Michaud D, Ahn S, Vincent B, Savoldo B, Pylayeva-Gupta Y, Zhang S, Dotti G, Xu Y. Interleukin-23 engineering improves CAR T cell function in solid tumors. Nat Biotechnol 2020; 38:448-459. [PMID: 32015548 PMCID: PMC7466194 DOI: 10.1038/s41587-019-0398-2] [Citation(s) in RCA: 145] [Impact Index Per Article: 36.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Accepted: 12/17/2019] [Indexed: 02/06/2023]
Abstract
Cytokines that stimulate T cell proliferation, such as interleukin (IL)-15, have been explored as a means of boosting the antitumor activity of chimeric antigen receptor (CAR) T cells. However, constitutive cytokine signaling in T cells and activation of bystander cells may cause toxicity. IL-23 is a two-subunit cytokine known to promote proliferation of memory T cells and T helper type 17 cells. We found that, upon T cell antigen receptor (TCR) stimulation, T cells upregulated the IL-23 receptor and the IL-23α p19 subunit, but not the p40 subunit. We engineered expression of the p40 subunit in T cells (p40-Td cells) and obtained selective proliferative activity in activated T cells via autocrine IL-23 signaling. In comparison to CAR T cells, p40-Td CAR T cells showed improved antitumor capacity in vitro, with increased granzyme B and decreased PD-1 expression. In two xenograft and two syngeneic solid tumor mouse models, p40-Td CAR T cells showed superior efficacy in comparison to CAR T cells and attenuated side effects in comparison to CAR T cells expressing IL-18 or IL-15.
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MESH Headings
- Animals
- Cell Hypoxia/genetics
- Cell Line, Tumor
- Cell Proliferation
- Humans
- Immunotherapy, Adoptive/methods
- Interleukin-12 Subunit p40/genetics
- Interleukin-12 Subunit p40/metabolism
- Interleukin-23/genetics
- Interleukin-23/metabolism
- Lymphocyte Activation
- Mice
- Neoplasms/immunology
- Neoplasms/therapy
- Receptors, Antigen, T-Cell/genetics
- Receptors, Antigen, T-Cell/metabolism
- Receptors, Chimeric Antigen/genetics
- Receptors, Chimeric Antigen/metabolism
- Receptors, Interleukin/genetics
- Receptors, Interleukin/metabolism
- STAT3 Transcription Factor/metabolism
- Signal Transduction/genetics
- T-Lymphocytes/immunology
- T-Lymphocytes/metabolism
- Xenograft Model Antitumor Assays
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Affiliation(s)
- Xingcong Ma
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Department of Oncology, Second Affiliated Hospital of Xi'an, Jiaotong University, Xi'an, China
| | - Peishun Shou
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Christof Smith
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Yuhui Chen
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Hongwei Du
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Chuang Sun
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Nancy Porterfield Kren
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Daniel Michaud
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Department of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Sarah Ahn
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Benjamin Vincent
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Barbara Savoldo
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Department of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Yuliya Pylayeva-Gupta
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Shuqun Zhang
- Department of Oncology, Second Affiliated Hospital of Xi'an, Jiaotong University, Xi'an, China
| | - Gianpietro Dotti
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
| | - Yang Xu
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
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304
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Petty AJ, Heyman B, Yang Y. Chimeric Antigen Receptor Cell Therapy: Overcoming Obstacles to Battle Cancer. Cancers (Basel) 2020; 12:cancers12040842. [PMID: 32244520 PMCID: PMC7226583 DOI: 10.3390/cancers12040842] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Revised: 03/24/2020] [Accepted: 03/26/2020] [Indexed: 01/04/2023] Open
Abstract
Chimeric antigen receptors (CAR) are fusion proteins engineered from antigen recognition, signaling, and costimulatory domains that can be used to reprogram T cells to specifically target tumor cells expressing specific antigens. Current CAR-T cell technology utilizes the patient's own T cells to stably express CARs and has achieved exciting clinical success in the past few years. However, current CAR-T cell therapy still faces several challenges, including suboptimal persistence and potency, impaired trafficking to solid tumors, local immunosuppression within the tumor microenvironment and intrinsic toxicity associated with CAR-T cells. This review focuses on recent strategies to improve the clinical efficacy of CAR-T cell therapy and other exciting CAR approaches currently under investigation, including CAR natural killer (NK) and NKT cell therapies.
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Affiliation(s)
- Amy J. Petty
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC 27710, USA
| | - Benjamin Heyman
- Division of Regenerative Medicine, Department of Medicine, UC San Diego, La Jolla, CA 92093, USA
- Correspondence: (B.H.); (Y.Y.)
| | - Yiping Yang
- Division of Hematology, The Ohio State University, Columbus, OH 43210, USA
- Correspondence: (B.H.); (Y.Y.)
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305
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Taefehshokr N, Baradaran B, Baghbanzadeh A, Taefehshokr S. Promising approaches in cancer immunotherapy. Immunobiology 2020; 225:151875. [DOI: 10.1016/j.imbio.2019.11.010] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 10/03/2019] [Accepted: 11/25/2019] [Indexed: 02/06/2023]
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306
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Shen SH, Woroniecka K, Barbour AB, Fecci PE, Sanchez-Perez L, Sampson JH. CAR T cells and checkpoint inhibition for the treatment of glioblastoma. Expert Opin Biol Ther 2020; 20:579-591. [PMID: 32027536 DOI: 10.1080/14712598.2020.1727436] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Introduction: Glioblastoma (GBM) is a highly aggressive brain tumor and is one of the most lethal human cancers. Chimeric antigen receptor (CAR) T cell therapy has markedly improved survival in previously incurable disease; however, this vanguard treatment still faces challenges in GBM. Likewise, checkpoint blockade therapies have not enjoyed the same victories against GBM. As it becomes increasingly evident that a mono-therapeutic approach is unlikely to provide anti-tumor efficacy, there evolves a critical need for combined treatment strategies.Areas covered: This review highlights the clinical successes observed with CAR T cell therapy as well the current efforts to overcome its perceived limitations. The review also explores employed combinations of CAR T cell approaches with immune checkpoint blockade strategies, which aim to potentiate immunotherapeutic benefits while restricting the impact of tumor heterogeneity and T cell exhaustion.Expert opinion: Barriers such as tumor heterogeneity and T cell exhaustion have exposed the weaknesses of various mono-immunotherapeutic approaches to GBM, including CAR T cell and checkpoint blockade strategies. Combining these potentially complementary strategies, however, may proffer a rational means of mitigating these barriers and advancing therapeutic successes against GBM and other solid tumors.
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Affiliation(s)
- Steven H Shen
- 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
| | - Karolina Woroniecka
- 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
| | - Andrew B Barbour
- Duke Brain Tumor Immunotherapy Program, Department of Neurosurgery, 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 Neurosurgery, Duke University Medical Center, Durham, NC, USA
| | - Luis Sanchez-Perez
- 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 Neurosurgery, Duke University Medical Center, Durham, NC, USA
| | - John H Sampson
- 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.,Department of Neurosurgery, Duke University Medical Center, Durham, NC, USA
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307
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Kim DW, Cho JY. Recent Advances in Allogeneic CAR-T Cells. Biomolecules 2020; 10:biom10020263. [PMID: 32050611 PMCID: PMC7072190 DOI: 10.3390/biom10020263] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 02/07/2020] [Accepted: 02/07/2020] [Indexed: 12/19/2022] Open
Abstract
In recent decades, great advances have been made in the field of tumor treatment. Especially, cell-based therapy targeting tumor associated antigen (TAA) has developed tremendously. T cells were engineered to have the ability to attack tumor cells by generating CAR constructs consisting of genes encoding scFv, a co-stimulatory domain (CD28 or TNFRSF9), and CD247 signaling domains for T cell proliferation and activation. Principally, CAR-T cells are activated by recognizing TAA by scFv on the T cell surface, and then signaling domains inside cells connected by scFv are subsequently activated to induce downstream signaling pathways involving T cell proliferation, activation, and production of cytokines. Many efforts have been made to increase the efficacy and persistence and also to decrease T cell exhaustion. Overall, allogeneic and universal CAR-T generation has attracted much attention because of their wide and prompt usage for patients. In this review, we summarized the current techniques for generation of allogeneic and universal CAR-T cells along with their disadvantages and limitations that still need to be overcome.
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308
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Bloemberg D, Nguyen T, MacLean S, Zafer A, Gadoury C, Gurnani K, Chattopadhyay A, Ash J, Lippens J, Harcus D, Pagé M, Fortin A, Pon RA, Gilbert R, Marcil A, Weeratna RD, McComb S. A High-Throughput Method for Characterizing Novel Chimeric Antigen Receptors in Jurkat Cells. MOLECULAR THERAPY-METHODS & CLINICAL DEVELOPMENT 2020; 16:238-254. [PMID: 32083149 PMCID: PMC7021643 DOI: 10.1016/j.omtm.2020.01.012] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Accepted: 01/27/2020] [Indexed: 01/18/2023]
Abstract
Chimeric antigen receptor (CAR) development involves extensive empirical characterization of antigen-binding domain (ABD)/CAR constructs for clinical suitability. Here, we present a cost-efficient and rapid method for evaluating CARs in human Jurkat T cells. Using a modular CAR plasmid, a highly efficient ABD cloning strategy, plasmid electroporation, short-term co-culture, and flow-cytometric detection of CD69, this assay (referred to as CAR-J) evaluates sensitivity and specificity for ABDs. Assessing 16 novel anti-CD22 single-chain variable fragments derived from mouse monoclonal antibodies, CAR-J stratified constructs by response magnitude to CD22-expressing target cells. We also characterized 5 novel anti-EGFRvIII CARs for preclinical development, identifying candidates with varying tonic and target-specific activation characteristics. When evaluated in primary human T cells, tonic/auto-activating (without target cells) EGFRvIII-CARs induced target-independent proliferation, differentiation toward an effector phenotype, elevated activity against EGFRvIII-negative cells, and progressive loss of target-specific response upon in vitro re-challenge. These EGFRvIII CAR-T cells also showed anti-tumor activity in xenografted mice. In summary, CAR-J represents a straightforward method for high-throughput assessment of CAR constructs as genuine cell-associated antigen receptors that is particularly useful for generating large specificity datasets as well as potential downstream CAR optimization.
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Affiliation(s)
- Darin Bloemberg
- Human Health Therapeutics Research Centre, National Research Council Canada, Ottawa, ON K1A 0R6, Canada
| | - Tina Nguyen
- Human Health Therapeutics Research Centre, National Research Council Canada, Ottawa, ON K1A 0R6, Canada
| | - Susanne MacLean
- Human Health Therapeutics Research Centre, National Research Council Canada, Ottawa, ON K1A 0R6, Canada
| | - Ahmed Zafer
- Human Health Therapeutics Research Centre, National Research Council Canada, Ottawa, ON K1A 0R6, Canada
| | - Christine Gadoury
- Human Health Therapeutics Research Centre, National Research Council Canada, Montréal, QC H4P 2R2, Canada
| | - Komal Gurnani
- Human Health Therapeutics Research Centre, National Research Council Canada, Ottawa, ON K1A 0R6, Canada
| | - Anindita Chattopadhyay
- Human Health Therapeutics Research Centre, National Research Council Canada, Ottawa, ON K1A 0R6, Canada
| | - Josée Ash
- Human Health Therapeutics Research Centre, National Research Council Canada, Montréal, QC H4P 2R2, Canada
| | - Julie Lippens
- Human Health Therapeutics Research Centre, National Research Council Canada, Montréal, QC H4P 2R2, Canada
| | - Doreen Harcus
- Human Health Therapeutics Research Centre, National Research Council Canada, Montréal, QC H4P 2R2, Canada
| | - Martine Pagé
- Human Health Therapeutics Research Centre, National Research Council Canada, Montréal, QC H4P 2R2, Canada
| | - Annie Fortin
- Human Health Therapeutics Research Centre, National Research Council Canada, Montréal, QC H4P 2R2, Canada
| | - Robert A Pon
- Human Health Therapeutics Research Centre, National Research Council Canada, Ottawa, ON K1A 0R6, Canada
| | - Rénald Gilbert
- Human Health Therapeutics Research Centre, National Research Council Canada, Montréal, QC H4P 2R2, Canada.,Department of Bioengineering, McGill University, Montréal, QC H3A 0E9, Canada
| | - Anne Marcil
- Human Health Therapeutics Research Centre, National Research Council Canada, Montréal, QC H4P 2R2, Canada
| | - Risini D Weeratna
- Human Health Therapeutics Research Centre, National Research Council Canada, Ottawa, ON K1A 0R6, Canada
| | - Scott McComb
- Human Health Therapeutics Research Centre, National Research Council Canada, Ottawa, ON K1A 0R6, Canada.,Department of Biochemistry, Microbiology, and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada
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309
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Clinical Trials with Cytokine-Induced Killer Cells and CAR-T Cell Transplantation for Non-small Cell Lung Cancer Treatment. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1292:113-130. [DOI: 10.1007/5584_2020_522] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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310
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Abstract
Advances in academic and clinical studies during the last several years have resulted in practical outcomes in adoptive immune therapy of cancer. Immune cells can be programmed with molecular modules that increase their therapeutic potency and specificity. It has become obvious that successful immunotherapy must take into account the full complexity of the immune system and, when possible, include the use of multifactor cell reprogramming that allows fast adjustment during the treatment. Today, practically all immune cells can be stably or transiently reprogrammed against cancer. Here, we review works related to T cell reprogramming, as the most developed field in immunotherapy. We discuss factors that determine the specific roles of αβ and γδ T cells in the immune system and the structure and function of T cell receptors in relation to other structures involved in T cell target recognition and immune response. We also discuss the aspects of T cell engineering, specifically the construction of synthetic T cell receptors (synTCRs) and chimeric antigen receptors (CARs) and the use of engineered T cells in integrative multifactor therapy of cancer.
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Affiliation(s)
- Samuel G Katz
- Department of Pathology, Yale School of Medicine, New Haven, CT, USA
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311
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Immunotherapy Deriving from CAR-T Cell Treatment in Autoimmune Diseases. J Immunol Res 2019; 2019:5727516. [PMID: 32083141 PMCID: PMC7012264 DOI: 10.1155/2019/5727516] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 11/15/2019] [Accepted: 12/10/2019] [Indexed: 02/05/2023] Open
Abstract
Chimeric antigen receptor T (CAR-T) cells are T cells engineered to express specific synthetic antigen receptors that can recognize antigens expressed by tumor cells, which after the binding of these antigens to the receptors are eliminated, and have been adopted to treat several kinds of malignancies. Autoimmune diseases (AIDs), a class of chronic disease conditions, can be broadly separated into autoantibody-mediated and T cell-mediated diseases. Treatments for AIDs are focused on restoring immune tolerance. However, current treatments have little effect on immune tolerance inverse; even the molecular target biologics like anti-TNFα inhibitors can only mildly restore immune balance. By using the idea of CAR-T cell treatment in tumors, CAR-T cell-derived immunotherapies, chimeric autoantibody receptor T (CAAR-T) cells, and CAR regulatory T (CAR-T) cells bring new hope of treatment choice for AIDs.
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312
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Abreu TR, Fonseca NA, Gonçalves N, Moreira JN. Current challenges and emerging opportunities of CAR-T cell therapies. J Control Release 2019; 319:246-261. [PMID: 31899268 DOI: 10.1016/j.jconrel.2019.12.047] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 12/27/2019] [Accepted: 12/28/2019] [Indexed: 12/27/2022]
Abstract
Infusion of chimeric antigen receptor (CAR)-genetically modified T cells (CAR-T cells) have led to remarkable clinical responses and cancer remission in patients suffering from relapsed or refractory B-cell malignancies. This is a new form of adoptive T cell therapy (ACT), whereby the artificial CAR enables the redirection of T cells endogenous antitumor activity towards a predefined tumor-associated antigen, leading to the elimination of a specific tumor. The early success in blood cancers has prompted the US Food and Drug Administration (FDA) to approve the first CAR-T cell therapies for the treatment of CD19-positive leukemias and lymphomas in 2017. Despite the emergence of CAR-T cells as one of the latest breakthroughs of cancer immunotherapies, their wider application has been hampered by specific life-threatening toxicities, and a substantial lack of efficacy in the treatment of solid tumors, owing to the strong immunosuppressive tumor microenvironment and the paucity of reliable tumor-specific targets. Herein, besides providing an overview of the emerging CAR-technologies and current clinical applications, the major hurdles of CAR-T cell therapies will be discussed, namely treatment-related life-threatening toxicities and the obstacles posed by the immunosupressive tumor-microenvironment of solid tumors, as well as the next-generation strategies currently designed to simultaneously improve safety and efficacy of CAR-T cell therapies in vivo.
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Affiliation(s)
- Teresa R Abreu
- CNC - Center for Neurosciences and Cell Biology, University of Coimbra, Faculty of Medicine (Polo 1), Rua Larga, 3004-504 Coimbra, Portugal; FFUC - Faculty of Pharmacy, University of Coimbra, Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
| | - Nuno A Fonseca
- CNC - Center for Neurosciences and Cell Biology, University of Coimbra, Faculty of Medicine (Polo 1), Rua Larga, 3004-504 Coimbra, Portugal; TREAT U, SA, Parque Industrial de Taveiro, Lote 44, 3045-508 Coimbra, Portugal.
| | - Nélio Gonçalves
- CNC - Center for Neurosciences and Cell Biology, University of Coimbra, Faculty of Medicine (Polo 1), Rua Larga, 3004-504 Coimbra, Portugal.
| | - João Nuno Moreira
- CNC - Center for Neurosciences and Cell Biology, University of Coimbra, Faculty of Medicine (Polo 1), Rua Larga, 3004-504 Coimbra, Portugal; FFUC - Faculty of Pharmacy, University of Coimbra, Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal.
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313
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Hosen N. Chimeric Antigen Receptor T-Cell Therapy for Multiple Myeloma. Cancers (Basel) 2019; 11:cancers11122024. [PMID: 31847470 PMCID: PMC6966463 DOI: 10.3390/cancers11122024] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 12/12/2019] [Accepted: 12/13/2019] [Indexed: 12/27/2022] Open
Abstract
CD19 Chimeric antigen receptor (CAR) T cell therapy has been shown to be effective for B cell leukemia and lymphoma. Many researchers are now trying to develop CAR T cells for various types of cancer. For multiple myeloma (MM), B-cell maturation antigen (BCMA) has been recently proved to be a promising target. However, cure of MM is still difficult, and several other targets, for example immunoglobulin kappa chain, SLAM Family Member 7 (SLAMF7), or G-protein coupled receptor family C group 5 member D (GPRC5D), are being tested as targets for CAR T cells. We also reported that the activated integrin β7 can serve as a specific target for CAR T cells against MM, and are preparing a clinical trial. In this review, we summarized current status of CAR T cell therapy for MM and discussed about the future perspectives.
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Affiliation(s)
- Naoki Hosen
- Department of Cancer Stem Cell Biology, Osaka University Graduate School of Medicine, Suita, 1-7 Yamada-Oka, Suita, Osaka 565-0871, Japan
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314
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Abstract
CD8+T cells are important in protective immunity against intracellular pathogens and tumors. In chronic infections or cancer, CD8+T cells are constantly exposed to antigens and inflammatory signals. Such excessive and constitutive signals lead to the deterioration of T cell function, called 'exhaustion'. Exhausted T cells are characterized by low proliferation in response to antigen stimulation, progressive loss of effector function (cytokine production and killing function), expression of multiple inhibitory receptors such as PD-1, Tim3, and LAG3, and metabolic alterations from oxidative phosphorylation to glycolysis. These dysfunctions are associated with altered transcriptional programs and epigenetic regulations and recent studies suggested that NR4a and TOX transcription factors are deeply involved in exhaustion phenotypes. However, an increase the early memory T cells including stem cell memory T (TSCM) cells is critical for T cell persistence and efficient tumor killing especially for adoptive cancer immunotherapy such as CAR-T cell therapy. An increasing amount of evidence supports the therapeutic potential of targeting exhausted T cells and TSCM cells. We have begun to understand the molecular mechanisms of T cell exhaustion and early memory formation, and the clinical application of converting exhausted T cells to rejuvenated early memory T cells is the goal of our study.
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Affiliation(s)
- Makoto Ando
- Department of Microbiology and Immunology, Keio University School of Medicine, Tokyo, Japan
| | - Minako Ito
- Department of Microbiology and Immunology, Keio University School of Medicine, Tokyo, Japan
| | - Tanakorn Srirat
- Department of Microbiology and Immunology, Keio University School of Medicine, Tokyo, Japan
| | - Taisuke Kondo
- Department of Microbiology and Immunology, Keio University School of Medicine, Tokyo, Japan
| | - Akihiko Yoshimura
- Department of Microbiology and Immunology, Keio University School of Medicine, Tokyo, Japan
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315
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Kondo T, Ando M, Nagai N, Tomisato W, Srirat T, Liu B, Mise-Omata S, Ikeda M, Chikuma S, Nishimasu H, Nureki O, Ohmura M, Hayakawa N, Hishiki T, Uchibori R, Ozawa K, Yoshimura A. The NOTCH–FOXM1 Axis Plays a Key Role in Mitochondrial Biogenesis in the Induction of Human Stem Cell Memory–like CAR-T Cells. Cancer Res 2019; 80:471-483. [DOI: 10.1158/0008-5472.can-19-1196] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Revised: 10/11/2019] [Accepted: 11/20/2019] [Indexed: 11/16/2022]
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316
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Targeting STAT3 and STAT5 in Tumor-Associated Immune Cells to Improve Immunotherapy. Cancers (Basel) 2019; 11:cancers11121832. [PMID: 31766350 PMCID: PMC6966642 DOI: 10.3390/cancers11121832] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 11/16/2019] [Accepted: 11/18/2019] [Indexed: 02/06/2023] Open
Abstract
Oncogene-induced STAT3-activation is central to tumor progression by promoting cancer cell expression of pro-angiogenic and immunosuppressive factors. STAT3 is also activated in infiltrating immune cells including tumor-associated macrophages (TAM) amplifying immune suppression. Consequently, STAT3 is considered as a target for cancer therapy. However, its interplay with other STAT-family members or transcription factors such as NF-κB has to be considered in light of their concerted regulation of immune-related genes. Here, we discuss new attempts at re-educating immune suppressive tumor-associated macrophages towards a CD8 T cell supporting profile, with an emphasis on the role of STAT transcription factors on TAM functional programs. Recent clinical trials using JAK/STAT inhibitors highlighted the negative effects of these molecules on the maintenance and function of effector/memory T cells. Concerted regulation of STAT3 and STAT5 activation in CD8 T effector and memory cells has been shown to impact their tumor-specific responses including intra-tumor accumulation, long-term survival, cytotoxic activity and resistance toward tumor-derived immune suppression. Interestingly, as an escape mechanism, melanoma cells were reported to impede STAT5 nuclear translocation in both CD8 T cells and NK cells. Ours and others results will be discussed in the perspective of new developments in engineered T cell-based adoptive therapies to treat cancer patients.
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317
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Long-term in vivo microscopy of CAR T cell dynamics during eradication of CNS lymphoma in mice. Proc Natl Acad Sci U S A 2019; 116:24275-24284. [PMID: 31712432 PMCID: PMC6883823 DOI: 10.1073/pnas.1903854116] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Primary central nervous system lymphoma (PCNSL) is a highly malignant brain tumor with limited treatment options. Here, we show that genetically engineered T cells, expressing a chimeric antigen receptor, thoroughly infiltrate these tumors in mice. Combining intravital 2-photon microscopy with chronic cranial windows, we were able to visualize their intratumoral proliferation and intracerebral persistence for up to 159 d, leading to the eradication of large, established PCNSL and to long-term survival. T cells expressing anti-CD19 chimeric antigen receptors (CARs) demonstrate impressive efficacy in the treatment of systemic B cell malignancies, including B cell lymphoma. However, their effect on primary central nervous system lymphoma (PCNSL) is unknown. Additionally, the detailed cellular dynamics of CAR T cells during their antitumor reaction remain unclear, including their intratumoral infiltration depth, mobility, and persistence. Studying these processes in detail requires repeated intravital imaging of precisely defined tumor regions during weeks of tumor growth and regression. Here, we have combined a model of PCNSL with in vivo intracerebral 2-photon microscopy. Thereby, we were able to visualize intracranial PCNSL growth and therapeutic effects of CAR T cells longitudinally in the same animal over several weeks. Intravenous (i.v.) injection resulted in poor tumor infiltration of anti-CD19 CAR T cells and could not sufficiently control tumor growth. After intracerebral injection, however, anti-CD19 CAR T cells invaded deeply into the solid tumor, reduced tumor growth, and induced regression of PCNSL, which was associated with long-term survival. Intracerebral anti-CD19 CAR T cells entered the circulation and infiltrated distant, nondraining lymph nodes more efficiently than mock CAR T cells. After complete regression of tumors, anti-CD19 CAR T cells remained detectable intracranially and intravascularly for up to 159 d. Collectively, these results demonstrate the great potential of anti-CD19 CAR T cells for the treatment of PCNSL.
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318
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Panagopoulou TI, Rafiq QA. CAR-T immunotherapies: Biotechnological strategies to improve safety, efficacy and clinical outcome through CAR engineering. Biotechnol Adv 2019; 37:107411. [DOI: 10.1016/j.biotechadv.2019.06.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 05/23/2019] [Accepted: 06/24/2019] [Indexed: 12/25/2022]
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319
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Kallam A, Vose JM. Recent Advances in CAR-T Cell Therapy for Non-Hodgkin Lymphoma. CLINICAL LYMPHOMA MYELOMA & LEUKEMIA 2019; 19:751-757. [PMID: 31648957 DOI: 10.1016/j.clml.2019.09.598] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Revised: 09/12/2019] [Accepted: 09/20/2019] [Indexed: 12/13/2022]
Abstract
Adoptive cellular immunotherapy with anti CD19 chimeric antigen receptor (CAR)-T cell has changed the treatment landscape in relapsed/refractory B cell lymphomas. They have emerged as effective therapy in patients with multiple relapsed/refractory disease, capable of sustaining durable remissions. Two CAR-T cell products (axicabtagene ciloleucel and tisagenlecleucel) are currently approved by the United States Food and Drug Administration. A third anti CD19 CAR-T cell, lisocabtagene ciloleucel is currently being evaluated in large clinical trials and may also be United States Food and Drug Administration-approved soon. CAR-T cell-related toxicities, including infections, cytokine release syndrome, and neurotoxicity are potential complications of therapy. With increasing use of CAR-T cells, the mechanism of toxicities and mitigation strategies needs to be developed. Additionally, reasons for CAR-T cell failure and progression following this therapy needs to be further studied. We describe the recent developments in this field, with emphasis on the complications of therapy and factors contributing to toxicities, efficacy, and resistance. We also describe the ongoing research in this field and the newer CAR-T cell constructs that are being developed to counter the challenges that have been identified in this field.
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Affiliation(s)
- Avyakta Kallam
- Division of Hematology/Oncology, Department of Medicine, University of Nebraska Medical Center, Omaha, NE.
| | - Julie M Vose
- Division of Hematology/Oncology, Department of Medicine, University of Nebraska Medical Center, Omaha, NE
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320
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Paving New Roads for CARs. Trends Cancer 2019; 5:583-592. [DOI: 10.1016/j.trecan.2019.09.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 09/17/2019] [Accepted: 09/26/2019] [Indexed: 01/01/2023]
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321
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Current status and hurdles for CAR-T cell immune therapy. BLOOD SCIENCE 2019; 1:148-155. [PMID: 35402809 PMCID: PMC8974909 DOI: 10.1097/bs9.0000000000000025] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Accepted: 07/25/2019] [Indexed: 12/30/2022] Open
Abstract
Chimeric antigen receptor T (CAR-T) cells have emerged as novel and promising immune therapies for the treatment of multiple types of cancer in patients with hematological malignancies. There are several key components critical for development and application of CAR-T therapy. First, the design of CAR vectors can considerably affect several aspects of the physiological functions of these T cells. Moreover, despite the wide use of γ-retrovirus and lentivirus in mediating gene transfer into T cells, optimal CAR delivery systems are also being developed and evaluated. In addition, several classes of mouse models have been used to evaluate the efficacies of CAR-T cells; however, each model has its own limitations. Clinically, although surprising complete remission (CR) rates were observed in acute lymphoblastic leukemia (ALL), lymphoma, and multiple myeloma (MM), there is still a lack of specific targets for acute myeloid leukemia (AML). Leukemia relapse remains a major challenge, and its mechanism is presently under investigation. Cytokine release syndrome (CRS) and neurotoxicity are life-threatening adverse effects that need to be carefully treated. Several factors that compromise the activities of anti-solid cancer CAR-T cells have been recognized, and further improvements targeting these factors are the focus of the development of novel CAR-T cells. Overcoming the current hurdles will lead to optimal responses of CAR-T cells, thus paving the way for their wide clinical application.
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322
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De Paris K. Knowledge is power-Rational design of cancer immunotherapy. J Leukoc Biol 2019; 106:1003-1006. [PMID: 31556463 DOI: 10.1002/jlb.5ce0819-238r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 08/29/2019] [Accepted: 09/05/2019] [Indexed: 11/05/2022] Open
Abstract
Discussion on how our increasing knowledge on tumor immunity and host defense mechanisms has drastically changed our ability to improve cancer outcomes through the rational design of immunotherapies.
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Affiliation(s)
- Kristina De Paris
- Department of Microbiology and Immunology, University of North Carolina, Chapel Hill, North Carolina, USA
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323
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Leonard WJ, Lin JX, O'Shea JJ. The γ c Family of Cytokines: Basic Biology to Therapeutic Ramifications. Immunity 2019; 50:832-850. [PMID: 30995502 DOI: 10.1016/j.immuni.2019.03.028] [Citation(s) in RCA: 225] [Impact Index Per Article: 45.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 03/22/2019] [Accepted: 03/26/2019] [Indexed: 12/15/2022]
Abstract
The common cytokine receptor γ chain, γc, is a component of the receptors for interleukin-2 (IL-2), IL-4, IL-7, IL-9, IL-15, and IL-21. Mutation of the gene encoding γc results in X-linked severe combined immunodeficiency in humans, and γc family cytokines collectively regulate development, proliferation, survival, and differentiation of immune cells. Here, we review the basic biology of these cytokines, highlighting mechanisms of signaling and gene regulation that have provided insights for immunodeficiency, autoimmunity, allergic diseases, and cancer. Moreover, we discuss how studies of this family stimulated the development of JAK3 inhibitors and present an overview of current strategies targeting these pathways in the clinic, including novel antibodies, antagonists, and partial agonists. The diverse roles of these cytokines on a range of immune cells have important therapeutic implications.
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Affiliation(s)
- Warren J Leonard
- Laboratory of Molecular Immunology and the Immunology Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892-1674, USA.
| | - Jian-Xin Lin
- Laboratory of Molecular Immunology and the Immunology Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892-1674, USA.
| | - John J O'Shea
- Molecular Immunology and Inflammation Branch, National Institute of Arthritis, Metabolic, and Skin Diseases, National Institutes of Health, Bethesda, MD 20892-1674, USA.
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324
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Majzner RG, Mackall CL. Clinical lessons learned from the first leg of the CAR T cell journey. Nat Med 2019; 25:1341-1355. [DOI: 10.1038/s41591-019-0564-6] [Citation(s) in RCA: 252] [Impact Index Per Article: 50.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Accepted: 07/29/2019] [Indexed: 01/03/2023]
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325
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Spolski R, Li P, Leonard WJ. Biology and regulation of IL-2: from molecular mechanisms to human therapy. Nat Rev Immunol 2019; 18:648-659. [PMID: 30089912 DOI: 10.1038/s41577-018-0046-y] [Citation(s) in RCA: 359] [Impact Index Per Article: 71.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
IL-2 was first identified as a growth factor capable of driving the expansion of activated human T cell populations. In the more than 40 years since its discovery, a tremendous amount has been learned regarding the mechanisms that regulate the expression of both IL-2 and its cell surface receptor, its mechanisms of signalling and its range of biological actions. More recently, the mechanisms by which IL-2 regulates CD4+ T cell differentiation and function have been elucidated. IL-2 also regulates the effector and memory responses of CD8+ T cells, and the loss of IL-2 or responsiveness to IL-2 at least in part explains the exhausted phenotype that occurs during chronic viral infections and in tumour responses. These basic mechanistic studies have led to the therapeutic ability to manipulate the action of IL-2 on regulatory T (Treg) cells for the treatment of autoimmune disease and on CD8+ T cells for immunotherapy of cancer. IL-2 can have either positive or deleterious effects, and we discuss here recent ideas and approaches for manipulating the actions and overall net effects of IL-2 in disease settings, including cancer.
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Affiliation(s)
- Rosanne Spolski
- Laboratory of Molecular Immunology and The Immunology Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, USA
| | - Peng Li
- Laboratory of Molecular Immunology and The Immunology Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, USA
| | - Warren J Leonard
- Laboratory of Molecular Immunology and The Immunology Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, USA.
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326
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Natural and modified IL-2 for the treatment of cancer and autoimmune diseases. Clin Immunol 2019; 206:63-70. [DOI: 10.1016/j.clim.2018.11.002] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 11/06/2018] [Indexed: 01/09/2023]
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327
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Azimi CS, Tang Q, Roybal KT, Bluestone JA. NextGen cell-based immunotherapies in cancer and other immune disorders. Curr Opin Immunol 2019; 59:79-87. [PMID: 31071513 DOI: 10.1016/j.coi.2019.03.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Accepted: 03/29/2019] [Indexed: 12/27/2022]
Abstract
T lymphocyte and other cell therapies have the potential to transform how we treat cancers and other diseases that have few therapeutic options. Here, we review the current progress in engineered T cell therapies and look to the future of what will establish cell therapy as the next pillar of medicine. The tools of synthetic biology along with fundamental knowledge in cell biology and immunology have enabled the development of approaches to engineer cells with enhanced capacity to recognize and treat disease safely and effectively. This along with new modes of engineering cells with CRISPR and strategies to make universal 'off-the-shelf' cell therapies will provide more rapid, flexible, and cheaper translation to the clinic.
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Affiliation(s)
- Camillia S Azimi
- Department of Microbiology and Immunology, University of California, San Francisco, San Francisco, CA, USA; Parker Institute for Cancer Immunotherapy, San Francisco, CA, USA; Chan Zuckerberg Biohub, San Francisco, CA, USA; Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA
| | - Qizhi Tang
- UCSF Diabetes Center, University of California, San Francisco, San Francisco, CA, USA; Department of Surgery, University of California, San Francisco, San Francisco, CA, USA
| | - Kole T Roybal
- Department of Microbiology and Immunology, University of California, San Francisco, San Francisco, CA, USA; Parker Institute for Cancer Immunotherapy, San Francisco, CA, USA; Chan Zuckerberg Biohub, San Francisco, CA, USA; Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA.
| | - Jeffrey A Bluestone
- Parker Institute for Cancer Immunotherapy, San Francisco, CA, USA; Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA; UCSF Diabetes Center, University of California, San Francisco, San Francisco, CA, USA.
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328
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Schmetterer KG, Goldhahn K, Ziegler LS, Gerner MC, Schmidt RLJ, Themanns M, Zebedin-Brandl E, Trapin D, Leitner J, Pickl WF, Steinberger P, Schwarzinger I, Marculescu R. Overexpression of PDE4A Acts as Checkpoint Inhibitor Against cAMP-Mediated Immunosuppression in vitro. Front Immunol 2019; 10:1790. [PMID: 31417563 PMCID: PMC6682678 DOI: 10.3389/fimmu.2019.01790] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Accepted: 07/16/2019] [Indexed: 12/12/2022] Open
Abstract
Malignant cells acquire physiological mechanisms of immunosuppression to escape immune surveillance. Strategies to counteract this suppression could help to improve adoptive immunotherapy regimen. The intracellular second messenger cyclic AMP (cAMP) acts as a potent immunosuppressive signaling molecule in T-cells and is up-regulated by multiple tumor-relevant suppressive factors including prostaglandin E2 (PGE2), adenosine and the functions of regulatory T-cells. Consequently, we aimed to abrogate cAMP signaling in human T-cells by ectopic overexpression of phosphodiesterase 4A (PDE4A). We could show that retroviral transduction of PDE4A into T-cells led to efficient degradation of cAMP in response to induction of adenylate cyclase. Retroviral transduction of PDE4A into CD4+ and CD8+ T-cells restored proliferation, cytokine secretion as well as cytotoxicity under immunosuppression by PGE2 and A2A-R agonists. PDE4A-transgenic T-cells were also partially protected from suppression by regulatory T-cells. Furthermore, PGE2-mediated upregulation of the inhibitory surface markers CD73 and CD94 on CD8+ T-cells was efficiently counteracted by PDE4A. Importantly, no differences in the functionality under non-suppressive conditions between PDE4A- and control-vector transduced T-cells were observed, indicating that PDE4A does not interfere with T-cell activation per se. Similarly, expression of surface markers associated with T-cell exhaustion were not influenced by PDE4A overexpression in long term cultures. Thus, we provide first in vitro evidence that PDE4A can be exploited as immune checkpoint inhibitor against multiple suppressive factors.
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Affiliation(s)
- Klaus G Schmetterer
- Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
| | - Katrin Goldhahn
- Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
| | - Liesa S Ziegler
- Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
| | - Marlene C Gerner
- Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
| | - Ralf L J Schmidt
- Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
| | - Madeleine Themanns
- Center of Physiology and Pharmacology, Institute of Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Eva Zebedin-Brandl
- Center of Physiology and Pharmacology, Institute of Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Doris Trapin
- Center for Pathophysiology, Infectiology and Immunology, Institute of Immunology, Medical University of Vienna, Vienna, Austria
| | - Judith Leitner
- Center for Pathophysiology, Infectiology and Immunology, Institute of Immunology, Medical University of Vienna, Vienna, Austria
| | - Winfried F Pickl
- Center for Pathophysiology, Infectiology and Immunology, Institute of Immunology, Medical University of Vienna, Vienna, Austria
| | - Peter Steinberger
- Center for Pathophysiology, Infectiology and Immunology, Institute of Immunology, Medical University of Vienna, Vienna, Austria
| | - Ilse Schwarzinger
- Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
| | - Rodrig Marculescu
- Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
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329
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Ajina A, Maher J. Synergistic combination of oncolytic virotherapy with CAR T-cell therapy. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2019; 164:217-292. [PMID: 31383406 DOI: 10.1016/bs.pmbts.2019.06.015] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
For patients with advanced hematological malignancies the therapeutic landscape has been transformed by the emergence of adoptive cell transfer utilizing autologous chimeric antigen receptor (CAR)-redirected T-cells. However, solid tumors have proved far more resistant to this approach. Here, we summarize the numerous challenges faced by CAR T-cells designed to target solid tumors, highlighting, in particular, issues related to impaired trafficking, expansion, and persistence. In parallel, we draw attention to exciting developments in the burgeoning field of oncolytic virotherapy and posit strategies for the synergistic combination of oncolytic viruses with CAR T-cells to improve outcomes for patients with advanced solid tumors.
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Affiliation(s)
- Adam Ajina
- King's College London, Division of Cancer Studies, Guy's Hospital, London, United Kingdom.
| | - John Maher
- King's College London, Division of Cancer Studies, Guy's Hospital, London, United Kingdom; Department of Clinical Immunology and Allergy, King's College Hospital NHS Foundation Trust, London, United Kingdom; Department of Immunology, Eastbourne Hospital, East Sussex, United Kingdom
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330
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Wang Y, Jiang H, Luo H, Sun Y, Shi B, Sun R, Li Z. An IL-4/21 Inverted Cytokine Receptor Improving CAR-T Cell Potency in Immunosuppressive Solid-Tumor Microenvironment. Front Immunol 2019; 10:1691. [PMID: 31379876 PMCID: PMC6658891 DOI: 10.3389/fimmu.2019.01691] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Accepted: 07/05/2019] [Indexed: 12/31/2022] Open
Abstract
Incorporation of inverted cytokine receptor (ICR) such as interleukin (IL)-4 vs. IL-7 (4/7) ICR is one strategy to improve the antitumor activities of chimeric antigen receptor (CAR) modified T (CAR-T) cells facing immunosuppressive cytokines. Here we report a novel interleukin (IL)-4 vs. IL-21 ICR (4/21 ICR) that enhanced CAR-T cell potency in IL-4+ tumor milieu via a different working-mechanism from 4/7 ICR. Upon IL-4 stimulation, 4/21 ICR activated the STAT3 pathway and promoted Th17-like polarization and tumor-targeted cytotoxicity in CAR-T cells in vitro. Furthermore, 4/21 ICR-CAR T cells persisted and eradicated established IL-4+ tumors in vivo. Thus, 4/21 ICR is a promising clinical CAR-T cell therapeutics for solid tumors rich in IL-4.
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Affiliation(s)
- Yi Wang
- State Key Laboratory of Oncogenes and Related Genes, School of Biomedical Engineering, Renji Hosptial, Shanghai Jiao Tong University, Shanghai, China
| | - Hua Jiang
- State Key Laboratory of Oncogenes and Related Genes, Renji Hospital, Shanghai Cancer Institute, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hong Luo
- State Key Laboratory of Oncogenes and Related Genes, School of Biomedical Engineering, Renji Hosptial, Shanghai Jiao Tong University, Shanghai, China
| | - Yansha Sun
- State Key Laboratory of Oncogenes and Related Genes, Renji Hospital, Shanghai Cancer Institute, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Bizhi Shi
- State Key Laboratory of Oncogenes and Related Genes, Renji Hospital, Shanghai Cancer Institute, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ruixin Sun
- State Key Laboratory of Oncogenes and Related Genes, Renji Hospital, Shanghai Cancer Institute, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zonghai Li
- State Key Laboratory of Oncogenes and Related Genes, School of Biomedical Engineering, Renji Hosptial, Shanghai Jiao Tong University, Shanghai, China.,State Key Laboratory of Oncogenes and Related Genes, Renji Hospital, Shanghai Cancer Institute, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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331
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Zabel M, Tauber PA, Pickl WF. The making and function of CAR cells. Immunol Lett 2019; 212:53-69. [PMID: 31181279 PMCID: PMC7058416 DOI: 10.1016/j.imlet.2019.06.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 05/24/2019] [Accepted: 06/06/2019] [Indexed: 12/28/2022]
Abstract
Genetically engineered T cells expressing chimeric antigen receptors (CAR) present a new treatment option for patients with cancer. Recent clinical trials of B cell leukemia have demonstrated a response rate of up to 90%. However, CAR cell therapy is frequently accompanied by severe side effects such as cytokine release syndrome and the development of target cell resistance. Consequently, further optimization of CARs to obtain greater long-term efficacy and increased safety is urgently needed. Here we high-light the various efforts of adjusting the intracellular signaling domains of CARs to these major requirements to eventually obtain high-level target cell cytotoxicity paralleled by the establishment of longevity of the CAR expressing cell types to guarantee for extended tumor surveillance over prolonged periods of time. We are convinced that it will be crucial to identify the molecular pathways and signaling requirements utilized by such ‘efficient CARs’ in order to provide a rational basis for their further hypothesis-based improvement. Furthermore, we here discuss timely attempts of how to: i) control ‘on-tumor off-target’ effects; ii) introduce Signal 3 (cytokine responsiveness of CAR cells) as an important building-block into the CAR concept; iii) most efficiently eliminate CAR cells once full remission has been obtained. We also argue that universal systems for the variable and pharmacokinetically-controlled attachment of extracellular ligand recognition domains of choice along with the establishment of ‘off-the-shelf’ cell preparations with suitability for all patients in need of a highly-potent cellular therapy may become future mainstays of CAR cell therapy. Such therapies would have the attraction to work independent of the patients’ histo-compatibility make-up and the availability of functionally intact patient’s cells. Finally, we summarize the evidence that CAR cells may obtain a prominent place in the treatment of non-malignant and auto-reactive T and B lymphocyte expansions in the near future, e.g., for the alleviation of autoimmune diseases and allergies. After the introduction of red blood cell transfusions, which were made possible by the landmark discoveries of the ABO blood groups by Karl Landsteiner, and the establishment of bone marrow transplantation by E. Donnall Thomas to exchange the entire hematopoietic system of a patient suffering from leukemia, the introduction of patient-tailored cytotoxic cellular populations to eradicate malignant cell populations in vivo pioneered by Carl H. June, represents the third major and broadly applicable milestone in the development of human cellular therapies within the rapidly developing field of applied biomedical research of the last one hundred years.
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Affiliation(s)
- Maja Zabel
- Institute of Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | - Peter A Tauber
- Institute of Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | - Winfried F Pickl
- Institute of Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria.
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332
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Hasegawa K, Hosen N. Chimeric antigen receptor T cell therapy for multiple myeloma. Inflamm Regen 2019; 39:10. [PMID: 31171941 PMCID: PMC6547554 DOI: 10.1186/s41232-019-0100-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Accepted: 05/06/2019] [Indexed: 12/27/2022] Open
Abstract
Chimeric antigen receptor (CAR) T cell therapy is a new cancer immunotherapy targeting cancer-specific cell surface antigen. CD19-CAR T cells have been already shown to be very effective to B cell leukemia/lymphoma. Now, many researchers are developing CAR T cells for multiple myeloma. CAR T cells targeting B cell maturation antigen (BCMA) showed promising efficacy in early phase clinical trials. We have recently reported that CAR T cells targeting the activated integrin β7 can selectively eradicate MM cells including CD19+ clonotypic B cells and are preparing a clinical trial.
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Affiliation(s)
- Kana Hasegawa
- Department of Cancer Stem Cell Biology, Osaka University Graduate School of Medicine, 1-7 Yamada-Oka, Suita, Osaka 565-0871 Japan
| | - Naoki Hosen
- Department of Cancer Stem Cell Biology, Osaka University Graduate School of Medicine, 1-7 Yamada-Oka, Suita, Osaka 565-0871 Japan
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333
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Weinkove R, George P, Dasyam N, McLellan AD. Selecting costimulatory domains for chimeric antigen receptors: functional and clinical considerations. Clin Transl Immunology 2019; 8:e1049. [PMID: 31110702 PMCID: PMC6511336 DOI: 10.1002/cti2.1049] [Citation(s) in RCA: 207] [Impact Index Per Article: 41.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 04/07/2019] [Accepted: 04/10/2019] [Indexed: 12/11/2022] Open
Abstract
Costimulatory signals are required to achieve robust chimeric antigen receptor (CAR) T cell expansion, function, persistence and antitumor activity. These can be provided by incorporating intracellular signalling domains from one or more T cell costimulatory molecules, such as CD28 or 4-1BB, into the CAR. The selection and positioning of costimulatory domains within a CAR construct influence CAR T cell function and fate, and clinical experience of autologous anti-CD19 CAR T cell therapies suggests that costimulatory domains have differential impacts on CAR T cell kinetics, cytotoxic function and potentially safety profile. The clinical impacts of combining costimulatory domains and of alternative costimulatory domains are not yet clearly established, and may be construct- and disease-specific. The aim of this review is to summarise the function and effect of established and emerging costimulatory domains and their combinations within CAR T cells.
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Affiliation(s)
- Robert Weinkove
- Cancer Immunotherapy Programme Malaghan Institute of Medical Research Wellington New Zealand.,Wellington Blood & Cancer Centre Capital & Coast District Health Board Wellington New Zealand.,Department of Pathology & Molecular Medicine University of Otago Wellington Wellington New Zealand
| | - Philip George
- Cancer Immunotherapy Programme Malaghan Institute of Medical Research Wellington New Zealand.,Wellington Blood & Cancer Centre Capital & Coast District Health Board Wellington New Zealand
| | - Nathaniel Dasyam
- Cancer Immunotherapy Programme Malaghan Institute of Medical Research Wellington New Zealand
| | - Alexander D McLellan
- Department of Microbiology and Immunology University of Otago Dunedin New Zealand
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334
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Abstract
CAR T cells have revolutionized the treatment of relapsed and refractory CD19-positive leukemia and lymphoma. Unfortunately, the majority of patients treated will not achieve durable remissions. Reasons for these suboptimal clinical outcomes can be tied back to intrinsic CAR T cell design and manufacturing processes, factors that are highly amenable to modification and improvement. As CAR T cell therapy is being deployed in spaces outside of CD19-positive disease, these limitations, complications, and setbacks need to be overcome, allowing for the full potential of this novel therapy to be realized. Preclinical work has begun tackling these major roadblocks, paving the way for potentially off-the-shelf products that are safer and more potent. In time, a number of these advances will be translated to the clinic and usher in an era of CARs of the future.
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Affiliation(s)
- Anthony F. Daniyan
- Cellular Therapeutics Center, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
- Leukemia Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Renier J. Brentjens
- Cellular Therapeutics Center, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
- Leukemia Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
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335
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Abstract
Cytokines are secreted or otherwise released polypeptide factors that exert autocrine and/or paracrine actions, with most cytokines acting in the immune and/or hematopoietic system. They are typically pleiotropic, controlling development, cell growth, survival, and/or differentiation. Correspondingly, cytokines are clinically important, and augmenting or attenuating cytokine signals can have deleterious or therapeutic effects. Besides physiological fine-tuning of cytokine signals, altering the nature or potency of the signal can be important in pathophysiological responses and can also provide novel therapeutic approaches. Here, we give an overview of cytokines, their signaling and actions, and the physiological mechanisms and pharmacologic strategies to fine-tune their actions. In particular, the differential utilization of STAT proteins by a single cytokine or by different cytokines and STAT dimerization versus tetramerization are physiological mechanisms of fine-tuning, whereas anticytokine and anticytokine receptor antibodies and cytokines with altered activities, including cytokine superagonists, partial agonists, and antagonists, represent new ways of fine-tuning cytokine signals.
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Affiliation(s)
- Jian-Xin Lin
- Laboratory of Molecular Immunology and the Immunology Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892-1674, USA; ,
| | - Warren J Leonard
- Laboratory of Molecular Immunology and the Immunology Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892-1674, USA; ,
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336
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The Cellular Immunotherapy Revolution: Arming the Immune System for Precision Therapy. Trends Immunol 2019; 40:292-309. [DOI: 10.1016/j.it.2019.02.002] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Revised: 02/07/2019] [Accepted: 02/11/2019] [Indexed: 12/30/2022]
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337
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Benmebarek MR, Karches CH, Cadilha BL, Lesch S, Endres S, Kobold S. Killing Mechanisms of Chimeric Antigen Receptor (CAR) T Cells. Int J Mol Sci 2019; 20:E1283. [PMID: 30875739 PMCID: PMC6470706 DOI: 10.3390/ijms20061283] [Citation(s) in RCA: 260] [Impact Index Per Article: 52.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 03/07/2019] [Accepted: 03/08/2019] [Indexed: 12/20/2022] Open
Abstract
Effective adoptive T cell therapy (ACT) comprises the killing of cancer cells through the therapeutic use of transferred T cells. One of the main ACT approaches is chimeric antigen receptor (CAR) T cell therapy. CAR T cells mediate MHC-unrestricted tumor cell killing by enabling T cells to bind target cell surface antigens through a single-chain variable fragment (scFv) recognition domain. Upon engagement, CAR T cells form a non-classical immune synapse (IS), required for their effector function. These cells then mediate their anti-tumoral effects through the perforin and granzyme axis, the Fas and Fas ligand axis, as well as the release of cytokines to sensitize the tumor stroma. Their persistence in the host and functional outputs are tightly dependent on the receptor's individual components-scFv, spacer domain, and costimulatory domains-and how said component functions converge to augment CAR T cell performance. In this review, we bring forth the successes and limitations of CAR T cell therapy. We delve further into the current understanding of how CAR T cells are designed to function, survive, and ultimately mediate their anti-tumoral effects.
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Affiliation(s)
- Mohamed-Reda Benmebarek
- Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Department of Medicine IV, University Hospital, Ludwig-Maximilians-Universität München, Member of the German Center for Lung Research (DZL), 80337 Munich, Germany.
| | - Clara Helke Karches
- Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Department of Medicine IV, University Hospital, Ludwig-Maximilians-Universität München, Member of the German Center for Lung Research (DZL), 80337 Munich, Germany.
| | - Bruno Loureiro Cadilha
- Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Department of Medicine IV, University Hospital, Ludwig-Maximilians-Universität München, Member of the German Center for Lung Research (DZL), 80337 Munich, Germany.
| | - Stefanie Lesch
- Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Department of Medicine IV, University Hospital, Ludwig-Maximilians-Universität München, Member of the German Center for Lung Research (DZL), 80337 Munich, Germany.
| | - Stefan Endres
- Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Department of Medicine IV, University Hospital, Ludwig-Maximilians-Universität München, Member of the German Center for Lung Research (DZL), 80337 Munich, Germany.
| | - Sebastian Kobold
- Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Department of Medicine IV, University Hospital, Ludwig-Maximilians-Universität München, Member of the German Center for Lung Research (DZL), 80337 Munich, Germany.
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338
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Forsberg EMV, Lindberg MF, Jespersen H, Alsén S, Bagge RO, Donia M, Svane IM, Nilsson O, Ny L, Nilsson LM, Nilsson JA. HER2 CAR-T Cells Eradicate Uveal Melanoma and T-cell Therapy-Resistant Human Melanoma in IL2 Transgenic NOD/SCID IL2 Receptor Knockout Mice. Cancer Res 2019; 79:899-904. [PMID: 30622115 DOI: 10.1158/0008-5472.can-18-3158] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 11/27/2018] [Accepted: 01/04/2019] [Indexed: 11/16/2022]
Abstract
Chimeric antigen receptors (CAR) can transmit signals akin to those from activated T-cell receptors when bound to a cell surface target. CAR-expressing T cells against CD19 can cause curative effects in leukemia and lymphoma and is approved for clinical use. However, no CAR-T therapy is currently approved for use in solid tumors. We hypothesize that the resistance of solid tumors to CAR-T can be overcome by similar means as those used to reactivate tumor-infiltrating T lymphocytes (TIL), for example, by cytokines or immune checkpoint blockade. Here we demonstrate that CAR-T cells directed against HER2 can kill uveal and cutaneous melanoma cells in vitro and in vivo. Curative effects in vivo were only observed in xenografts grown in a NOD/SCID IL2 receptor gamma (NOG) knockout mouse strain transgenic for human IL2. The effect was target-specific, as CRISPR/Cas9-mediated disruption of HER2 in the melanoma cells abrogated the killing effect of the CAR-T cells. The CAR-T cells were also able to kill melanoma cells from patients resistant to adoptive T-cell transfer (ACT) of autologous TILs. Thus, CAR-T therapy represents an option for patients that do not respond to immunotherapy with ACT of TIL or immune checkpoint blockade. In addition, our data highlight the use of IL2 transgenic NOG mice as models to prove efficacy of CAR-T-cell products, possibly even in a personalized manner. SIGNIFICANCE: These findings demonstrate that a novel humanized mouse model can help clinical translation of CAR-T cells against uveal and cutaneous melanoma that do not respond to TIL therapy or immune checkpoint blockade.
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MESH Headings
- Animals
- Cell Line, Tumor
- Humans
- Immunotherapy, Adoptive/methods
- Interleukin Receptor Common gamma Subunit/immunology
- Lymphocytes, Tumor-Infiltrating/immunology
- Lymphocytes, Tumor-Infiltrating/transplantation
- Melanoma/enzymology
- Melanoma/immunology
- Melanoma/therapy
- Mice
- Mice, Inbred NOD
- Mice, Knockout
- Mice, SCID
- Receptor, ErbB-2/immunology
- Receptor, ErbB-2/metabolism
- Skin Neoplasms/enzymology
- Skin Neoplasms/immunology
- Skin Neoplasms/therapy
- T-Lymphocytes/immunology
- T-Lymphocytes/transplantation
- Uveal Neoplasms/enzymology
- Uveal Neoplasms/immunology
- Uveal Neoplasms/therapy
- Xenograft Model Antitumor Assays
- Melanoma, Cutaneous Malignant
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Affiliation(s)
- Elin M V Forsberg
- The Sahlgrenska Cancer Center, University of Gothenburg, Gothenburg, Sweden
- Department of Surgery, Institute of Clinical Sciences, University of Gothenburg and Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Mattias F Lindberg
- The Sahlgrenska Cancer Center, University of Gothenburg, Gothenburg, Sweden
- Department of Surgery, Institute of Clinical Sciences, University of Gothenburg and Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Henrik Jespersen
- The Sahlgrenska Cancer Center, University of Gothenburg, Gothenburg, Sweden
- Department of Oncology, Institute of Clinical Sciences, University of Gothenburg and Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Samuel Alsén
- The Sahlgrenska Cancer Center, University of Gothenburg, Gothenburg, Sweden
- Department of Surgery, Institute of Clinical Sciences, University of Gothenburg and Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Roger Olofsson Bagge
- The Sahlgrenska Cancer Center, University of Gothenburg, Gothenburg, Sweden
- Department of Surgery, Institute of Clinical Sciences, University of Gothenburg and Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Marco Donia
- The Center of Cancer Immunotherapy, Copenhagen University Hospital, Herlev, Denmark
| | - Inge Marie Svane
- The Center of Cancer Immunotherapy, Copenhagen University Hospital, Herlev, Denmark
| | - Ola Nilsson
- Department of Pathology, Institute of Biomedicine, University of Gothenburg and Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Lars Ny
- The Sahlgrenska Cancer Center, University of Gothenburg, Gothenburg, Sweden
- Department of Oncology, Institute of Clinical Sciences, University of Gothenburg and Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Lisa M Nilsson
- The Sahlgrenska Cancer Center, University of Gothenburg, Gothenburg, Sweden
- Department of Surgery, Institute of Clinical Sciences, University of Gothenburg and Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Jonas A Nilsson
- The Sahlgrenska Cancer Center, University of Gothenburg, Gothenburg, Sweden.
- Department of Surgery, Institute of Clinical Sciences, University of Gothenburg and Sahlgrenska University Hospital, Gothenburg, Sweden
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339
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Tang A, Harding F. The challenges and molecular approaches surrounding interleukin-2-based therapeutics in cancer. Cytokine X 2019. [PMCID: PMC7885892 DOI: 10.1016/j.cytox.2018.100001] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
IL2-based cancer therapies are limited by their toxicity and pleiotropy. Current engineering approaches target IL2 half-life and cell/receptor specificity. IL2 may enhance the efficacy of checkpoint inhibitors and CAR-T-based therapies.
Interleukin-2 has had a long history as a promising cancer therapeutic, being capable of eliciting complete and durable remissions in patients with metastatic renal cell carcinoma and metastatic melanoma. Despite high toxicity and efficacy limited to only certain patient subpopulations and cancer types, the prospective use of novel, engineered IL2 formats in combination with the presently expanding repertoire of immuno-oncological targets remains very encouraging. This is possible due to the significant research efforts in the IL2 field that have yielded critical structural and biological insights that have made IL2 more effective and more broadly applicable in the clinic. In this review, we discuss some of the molecular approaches that have been used to further improve IL2 therapy for cancer.
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340
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Dwyer CJ, Knochelmann HM, Smith AS, Wyatt MM, Rangel Rivera GO, Arhontoulis DC, Bartee E, Li Z, Rubinstein MP, Paulos CM. Fueling Cancer Immunotherapy With Common Gamma Chain Cytokines. Front Immunol 2019; 10:263. [PMID: 30842774 PMCID: PMC6391336 DOI: 10.3389/fimmu.2019.00263] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Accepted: 01/30/2019] [Indexed: 12/16/2022] Open
Abstract
Adoptive T cell transfer therapy (ACT) using tumor infiltrating lymphocytes or lymphocytes redirected with antigen receptors (CAR or TCR) has revolutionized the field of cancer immunotherapy. Although CAR T cell therapy mediates robust responses in patients with hematological malignancies, this approach has been less effective for treating patients with solid tumors. Additionally, toxicities post T cell infusion highlight the need for safer ACT protocols. Current protocols traditionally expand T lymphocytes isolated from patient tumors or from peripheral blood to large magnitudes in the presence of high dose IL-2 prior to infusion. Unfortunately, this expansion protocol differentiates T cells to a full effector or terminal phenotype in vitro, consequently reducing their long-term survival and antitumor effectiveness in vivo. Post-infusion, T cells face further obstacles limiting their persistence and function within the suppressive tumor microenvironment. Therapeutic manipulation of T cells with common γ chain cytokines, which are critical growth factors for T cells, may be the key to bypass such immunological hurdles. Herein, we discuss the primary functions of the common γ chain cytokines impacting T cell survival and memory and then elaborate on how these distinct cytokines have been used to augment T cell-based cancer immunotherapy.
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Affiliation(s)
- Connor J Dwyer
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, United States.,Department of Dermatology and Dermatologic Surgery, Medical University of South Carolina, Charleston, SC, United States
| | - Hannah M Knochelmann
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, United States.,Department of Dermatology and Dermatologic Surgery, Medical University of South Carolina, Charleston, SC, United States
| | - Aubrey S Smith
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, United States.,Department of Dermatology and Dermatologic Surgery, Medical University of South Carolina, Charleston, SC, United States
| | - Megan M Wyatt
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, United States.,Department of Dermatology and Dermatologic Surgery, Medical University of South Carolina, Charleston, SC, United States
| | - Guillermo O Rangel Rivera
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, United States.,Department of Dermatology and Dermatologic Surgery, Medical University of South Carolina, Charleston, SC, United States
| | - Dimitrios C Arhontoulis
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, United States.,Department of Dermatology and Dermatologic Surgery, Medical University of South Carolina, Charleston, SC, United States
| | - Eric Bartee
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, United States
| | - Zihai Li
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, United States
| | - Mark P Rubinstein
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, United States.,Department of Surgery, Medical University of South Carolina, Charleston, SC, United States
| | - Chrystal M Paulos
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, United States.,Department of Dermatology and Dermatologic Surgery, Medical University of South Carolina, Charleston, SC, United States
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341
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DeRenzo C, Gottschalk S. Genetic Modification Strategies to Enhance CAR T Cell Persistence for Patients With Solid Tumors. Front Immunol 2019; 10:218. [PMID: 30828333 PMCID: PMC6384227 DOI: 10.3389/fimmu.2019.00218] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2018] [Accepted: 01/25/2019] [Indexed: 01/19/2023] Open
Abstract
Immunotherapy with chimeric antigen receptor (CAR) T cells offers a promising method to improve cure rates and decrease morbidities for patients with cancer. In this regard, CD19-specific CAR T cell therapies have achieved dramatic objective responses for a high percent of patients with CD19-positive leukemia or lymphoma. Most patients with solid tumors however, have experienced transient or no benefit from CAR T cell therapies. Novel strategies are therefore needed to improve CAR T cell function for patients with solid tumors. One obstacle for the field is limited CAR T cell persistence after infusion into patients. In this review we highlight genetic engineering strategies to improve CAR T cell persistence for enhancing antitumor activity for patients with solid tumors.
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Affiliation(s)
- Christopher DeRenzo
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - Stephen Gottschalk
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children's Research Hospital, Memphis, TN, United States
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342
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Eisenberg V, Hoogi S, Shamul A, Barliya T, Cohen CJ. T-cells "à la CAR-T(e)" - Genetically engineering T-cell response against cancer. Adv Drug Deliv Rev 2019; 141:23-40. [PMID: 30653988 DOI: 10.1016/j.addr.2019.01.007] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 01/01/2019] [Accepted: 01/09/2019] [Indexed: 02/06/2023]
Abstract
The last decade will be remembered as the dawn of the immunotherapy era during which we have witnessed the approval by regulatory agencies of genetically engineered CAR T-cells and of checkpoint inhibitors for cancer treatment. Understandably, T-lymphocytes represent the essential player in these approaches. These cells can mediate impressive tumor regression in terminally-ill cancer patients. Moreover, they are amenable to genetic engineering to improve their function and specificity. In the present review, we will give an overview of the most recent developments in the field of T-cell genetic engineering including TCR-gene transfer and CAR T-cells strategies. We will also elaborate on the development of other types of genetic modifications to enhance their anti-tumor immune response such as the use of co-stimulatory chimeric receptors (CCRs) and unconventional CARs built on non-antibody molecules. Finally, we will discuss recent advances in genome editing and synthetic biology applied to T-cell engineering and comment on the next challenges ahead.
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343
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Ramello MC, Benzaïd I, Kuenzi BM, Lienlaf-Moreno M, Kandell WM, Santiago DN, Pabón-Saldaña M, Darville L, Fang B, Rix U, Yoder S, Berglund A, Koomen JM, Haura EB, Abate-Daga D. An immunoproteomic approach to characterize the CAR interactome and signalosome. Sci Signal 2019; 12:12/568/eaap9777. [PMID: 30755478 DOI: 10.1126/scisignal.aap9777] [Citation(s) in RCA: 102] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Adoptive transfer of T cells that express a chimeric antigen receptor (CAR) is an approved immunotherapy that may be curative for some hematological cancers. To better understand the therapeutic mechanism of action, we systematically analyzed CAR signaling in human primary T cells by mass spectrometry. When we compared the interactomes and the signaling pathways activated by distinct CAR-T cells that shared the same antigen-binding domain but differed in their intracellular domains and their in vivo antitumor efficacy, we found that only second-generation CARs induced the expression of a constitutively phosphorylated form of CD3ζ that resembled the endogenous species. This phenomenon was independent of the choice of costimulatory domains, or the hinge/transmembrane region. Rather, it was dependent on the size of the intracellular domains. Moreover, the second-generation design was also associated with stronger phosphorylation of downstream secondary messengers, as evidenced by global phosphoproteome analysis. These results suggest that second-generation CARs can activate additional sources of CD3ζ signaling, and this may contribute to more intense signaling and superior antitumor efficacy that they display compared to third-generation CARs. Moreover, our results provide a deeper understanding of how CARs interact physically and/or functionally with endogenous T cell molecules, which will inform the development of novel optimized immune receptors.
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Affiliation(s)
- Maria C Ramello
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
| | - Ismahène Benzaïd
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
| | - Brent M Kuenzi
- Department of Drug Discovery, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA.,Cancer Biology Ph.D. Program, University of South Florida, Tampa, FL 33620, USA
| | - Maritza Lienlaf-Moreno
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
| | - Wendy M Kandell
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA.,Cancer Biology Ph.D. Program, University of South Florida, Tampa, FL 33620, USA
| | - Daniel N Santiago
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA.,Department of Integrated Mathematical Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
| | - Mibel Pabón-Saldaña
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA.,Department of Cancer Epidemiology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
| | - Lancia Darville
- Proteomics Core Facility, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
| | - Bin Fang
- Proteomics Core Facility, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
| | - Uwe Rix
- Department of Drug Discovery, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
| | - Sean Yoder
- Molecular Genomics Core Facility, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
| | - Anders Berglund
- Department of Bioinformatics and Biostatistics, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
| | - John M Koomen
- Proteomics Core Facility, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA.,Department of Molecular Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
| | - Eric B Haura
- Department of Thoracic Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
| | - Daniel Abate-Daga
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA. .,Department of Cutaneous Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA.,Department of Oncological Sciences, University of South Florida, Tampa, FL 33612, USA
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344
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Tokarew N, Ogonek J, Endres S, von Bergwelt-Baildon M, Kobold S. Teaching an old dog new tricks: next-generation CAR T cells. Br J Cancer 2019; 120:26-37. [PMID: 30413825 PMCID: PMC6325111 DOI: 10.1038/s41416-018-0325-1] [Citation(s) in RCA: 223] [Impact Index Per Article: 44.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 09/24/2018] [Accepted: 09/25/2018] [Indexed: 02/07/2023] Open
Abstract
Adoptive T cell therapy (ACT) refers to the therapeutic use of T cells. T cells genetically engineered to express chimeric antigen receptors (CAR) constitute the most clinically advanced form of ACT approved to date for the treatment of CD19-positive leukaemias and lymphomas. CARs are synthetic receptors that are able to confer antigen-binding and activating functions on T cells with the aim of therapeutically targeting cancer cells. Several factors are essential for CAR T cell therapy to be effective, such as recruitment, activation, expansion and persistence of bioengineered T cells at the tumour site. Despite the advances made in CAR T cell therapy, however, most tumour entities still escape immune detection and elimination. A number of strategies counteracting these problems will need to be addressed in order to render T cell therapy effective in more situations than currently possible. Non-haematological tumours are also the subject of active investigation, but ACT has so far shown only marginal success rates in these cases. New approaches are needed to enhance the ability of ACT to target solid tumours without increasing toxicity, by improving recognition, infiltration, and persistence within tumours, as well as an enhanced resistance to the suppressive tumour microenvironment.
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Affiliation(s)
- Nicholas Tokarew
- Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Klinikum der Universität München, Lindwurmstrasse 2a, 80337, Munich, Germany
| | - Justyna Ogonek
- Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Klinikum der Universität München, Lindwurmstrasse 2a, 80337, Munich, Germany
| | - Stefan Endres
- Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Klinikum der Universität München, Lindwurmstrasse 2a, 80337, Munich, Germany
| | | | - Sebastian Kobold
- Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Klinikum der Universität München, Lindwurmstrasse 2a, 80337, Munich, Germany.
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345
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Fan J, Shang D, Han B, Song J, Chen H, Yang JM. Adoptive Cell Transfer: Is it a Promising Immunotherapy for Colorectal Cancer? Am J Cancer Res 2018; 8:5784-5800. [PMID: 30555581 PMCID: PMC6276301 DOI: 10.7150/thno.29035] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Accepted: 10/04/2018] [Indexed: 12/12/2022] Open
Abstract
The last decade has witnessed significant advances in the adoptive cell transfer (ACT) technique, which has been appreciated as one of the most promising treatments for patients with cancer. Utilization of ACT can enhance the function of the immune system or improve the specificity and persistence of transferred cells. Various immune cells including T lymphocytes, natural killer cells, dendritic cells, and even stem cells can be used in the ACT despite their different functional mechanisms. Colorectal cancer (CRC) is among the most common malignancies and causes millions of deaths worldwide every year. In this review, we discuss the status and perspective of the ACT in the treatment of CRC.
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346
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Richards RM, Sotillo E, Majzner RG. CAR T Cell Therapy for Neuroblastoma. Front Immunol 2018; 9:2380. [PMID: 30459759 PMCID: PMC6232778 DOI: 10.3389/fimmu.2018.02380] [Citation(s) in RCA: 96] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Accepted: 09/25/2018] [Indexed: 12/11/2022] Open
Abstract
Patients with high risk neuroblastoma have a poor prognosis and survivors are often left with debilitating long term sequelae from treatment. Even after integration of anti-GD2 monoclonal antibody therapy into standard, upftont protocols, 5-year overall survival rates are only about 50%. The success of anti-GD2 therapy has proven that immunotherapy can be effective in neuroblastoma. Adoptive transfer of chimeric antigen receptor (CAR) T cells has the potential to build on this success. In early phase clinical trials, CAR T cell therapy for neuroblastoma has proven safe and feasible, but significant barriers to efficacy remain. These include lack of T cell persistence and potency, difficulty in target identification, and an immunosuppressive tumor microenvironment. With recent advances in CAR T cell engineering, many of these issues are being addressed in the laboratory. In this review, we summarize the clinical trials that have been completed or are underway for CAR T cell therapy in neuroblastoma, discuss the conclusions and open questions derived from these trials, and consider potential strategies to improve CAR T cell therapy for patients with neuroblastoma.
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Affiliation(s)
- Rebecca M. Richards
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, United States
| | - Elena Sotillo
- Stanford Cancer Institute, Stanford University School of Medicine, Stanford, CA, United States
| | - Robbie G. Majzner
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, United States
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347
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Zhang Q, Lu W, Liang CL, Chen Y, Liu H, Qiu F, Dai Z. Chimeric Antigen Receptor (CAR) Treg: A Promising Approach to Inducing Immunological Tolerance. Front Immunol 2018; 9:2359. [PMID: 30369931 PMCID: PMC6194362 DOI: 10.3389/fimmu.2018.02359] [Citation(s) in RCA: 97] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2018] [Accepted: 09/24/2018] [Indexed: 12/14/2022] Open
Abstract
Cellular therapies with polyclonal regulatory T-cells (Tregs) in transplantation and autoimmune diseases have been carried out in both animal models and clinical trials. However, The use of large numbers of polyclonal Tregs with unknown antigen specificities has led to unwanted effects, such as systemic immunosuppression, which can be avoided via utilization of antigen-specific Tregs. Antigen-specific Tregs are also more potent in suppression than polyclonal ones. Although antigen-specific Tregs can be induced in vitro, these iTregs are usually contaminated with effector T cells during in vitro expansion. Fortunately, Tregs can be efficiently engineered with a predetermined antigen-specificity via transfection of viral vectors encoding specific T cell receptors (TCRs) or chimeric antigen receptors (CARs). Compared to Tregs engineered with TCRs (TCR-Tregs), CAR-modified Tregs (CAR-Tregs) engineered in a non-MHC restricted manner have the advantage of widespread applications, especially in transplantation and autoimmunity. CAR-Tregs also are less dependent on IL-2 than are TCR-Tregs. CAR-Tregs are promising given that they maintain stable phenotypes and functions, preferentially migrate to target sites, and exert more potent and specific immunosuppression than do polyclonal Tregs. However, there are some major hurdles that must be overcome before CAR-Tregs can be used in clinic. It is known that treatments with anti-tumor CAR-T cells cause side effects due to cytokine “storm” and neuronal cytotoxicity. It is unclear whether CAR-Tregs would also induce these adverse reactions. Moreover, antibodies specific for self- or allo-antigens must be characterized to construct antigen-specific CAR-Tregs. Selection of antigens targeted by CARs and development of specific antibodies are difficult in some disease models. Finally, CAR-Treg exhaustion may limit their efficacy in immunosuppression. Recently, innovative CAR-Treg therapies in animal models of transplantation and autoimmune diseases have been reported. In this mini-review, we have summarized recent progress of CAR-Tregs and discussed their potential applications for induction of immunological tolerance.
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Affiliation(s)
- Qunfang Zhang
- Section of Immunology and Joint Immunology Program, Guangdong Provincial Academy of Chinese Medical Sciences, and Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
| | - Weihui Lu
- Section of Immunology and Joint Immunology Program, Guangdong Provincial Academy of Chinese Medical Sciences, and Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
| | - Chun-Ling Liang
- Section of Immunology and Joint Immunology Program, Guangdong Provincial Academy of Chinese Medical Sciences, and Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
| | - Yuchao Chen
- Section of Immunology and Joint Immunology Program, Guangdong Provincial Academy of Chinese Medical Sciences, and Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
| | - Huazhen Liu
- Section of Immunology and Joint Immunology Program, Guangdong Provincial Academy of Chinese Medical Sciences, and Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
| | - Feifei Qiu
- Section of Immunology and Joint Immunology Program, Guangdong Provincial Academy of Chinese Medical Sciences, and Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
| | - Zhenhua Dai
- Section of Immunology and Joint Immunology Program, Guangdong Provincial Academy of Chinese Medical Sciences, and Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
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348
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Jiang L, Wang W. Genetically modified immune cells for cancer immunotherapy. SCIENCE CHINA-LIFE SCIENCES 2018; 61:1277-1279. [PMID: 30276708 DOI: 10.1007/s11427-018-9395-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Accepted: 09/23/2018] [Indexed: 02/06/2023]
Affiliation(s)
- Lin Jiang
- Lab of Gene and Cell Therapy, Cancer Center, State Key Laboratory of Biotherapy and Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Wei Wang
- Lab of Gene and Cell Therapy, Cancer Center, State Key Laboratory of Biotherapy and Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China.
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349
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Si W, Li C, Wei P. Synthetic immunology: T-cell engineering and adoptive immunotherapy. Synth Syst Biotechnol 2018; 3:179-185. [PMID: 30345403 PMCID: PMC6190530 DOI: 10.1016/j.synbio.2018.08.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Revised: 07/28/2018] [Accepted: 08/13/2018] [Indexed: 12/24/2022] Open
Abstract
During the past decades, the rapidly-evolving cancer is hard to be thoroughly eliminated even though the radiotherapy and chemotherapy do exhibit efficacy in some degree. However, a breakthrough appeared when the adoptive cancer therapy [1] was developed, especially T cells armed with chimeric antigen receptors (CARs) showed great potential in tumor clinical trials recently. CAR-T cells successfully elevated the efficiency and specificity of cytotoxicity. In this review, we will talk about the design of CAR and CAR-included combinatory therapeutic applications in the principles of systems and synthetic immunology.
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Affiliation(s)
- Wen Si
- Center for Quantitative Biology and Peking-Tsinghua Joint Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China.,The MOE Key Laboratory of Cell Proliferation and Differentiation, School of Life Sciences, Peking University, Beijing 100871, China
| | - Cheng Li
- The MOE Key Laboratory of Cell Proliferation and Differentiation, School of Life Sciences, Peking University, Beijing 100871, China
| | - Ping Wei
- Center for Quantitative Biology and Peking-Tsinghua Joint Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China.,The MOE Key Laboratory of Cell Proliferation and Differentiation, School of Life Sciences, Peking University, Beijing 100871, China
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350
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Hamieh M, Sadelain M. Insights into Chimeric Antigen Receptor Therapy for Chronic Lymphoblastic Leukemia. Trends Mol Med 2018; 24:729-731. [PMID: 30149852 DOI: 10.1016/j.molmed.2018.06.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Accepted: 06/18/2018] [Indexed: 10/28/2022]
Abstract
In a recent study, Fraietta and colleagues identified chimeric antigen receptor (CAR) T cell biomarkers that may predict the success or failure of CAR therapy in patients with refractory chronic lymphoblastic leukemia (CLL). These findings open new prospects for improving T cell product manufacturing and the management of patients with CLL undergoing T cell-based therapies.
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Affiliation(s)
- Mohamad Hamieh
- Center for Cell Engineering, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Michel Sadelain
- Center for Cell Engineering, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA.
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