151
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Xu Q, Li J, Zhang N, Zhang L, Qian R. Utilization of invariant natural killer T cells for gastric cancer treatment. Future Oncol 2018; 14:2053-2066. [PMID: 30051730 DOI: 10.2217/fon-2017-0724] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
AIM To evaluate the expression of CD1d and the susceptibility to invariant natural killer T (iNKT) cells in gastric cancer. METHODS The expression of CD1d was examined in gastric cancer. The in vitro and in vivo cytotoxic activities of iNKT cells were evaluated against gastric cancer cell lines. RESULTS CD1d was expressed in gastric cancer cell lines and primary tumors. iNKT cells have potent in vivo and in vitro anti-tumor activities against CD1d-positve gastric cancer in the presence of α-galactosylceramide. Cisplatin could upregulate CD1d expression in gastric cancer cells and make them more vulnerable to iNKT cell-mediated cytotoxicity. CONCLUSION These results justified clinical translation of this iNKT cell-based therapeutics, either used alone or combined with chemotherapy, for the treatment of patients with gastric cancer.
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Affiliation(s)
- Qi Xu
- Department of Abdominal Medical Oncology, Zhejiang Cancer Hospital, Hangzhou, PR China
| | - Jingjing Li
- Department of Abdominal Medical Oncology, Zhejiang Cancer Hospital, Hangzhou, PR China
| | - Na Zhang
- Department of Abdominal Radiation Oncology, Zhejiang Cancer Hospital, Hangzhou, PR China
| | - Lili Zhang
- Department of Pathology, The Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, PR China
| | - Runmei Qian
- Department of Pathology, The Second Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, PR China
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152
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King LA, Lameris R, de Gruijl TD, van der Vliet HJ. CD1d-Invariant Natural Killer T Cell-Based Cancer Immunotherapy: α-Galactosylceramide and Beyond. Front Immunol 2018; 9:1519. [PMID: 30013569 PMCID: PMC6036112 DOI: 10.3389/fimmu.2018.01519] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Accepted: 06/19/2018] [Indexed: 12/27/2022] Open
Abstract
CD1d-restricted invariant natural killer T (iNKT) cells are considered an attractive target for cancer immunotherapy. Upon their activation by glycolipid antigen and/or cytokines, iNKT cells can induce direct lysis of tumor cells but can also induce an antitumor immune response via their rapid production of proinflammatory cytokines that trigger the cytotoxic machinery of other components of the innate and adaptive immune system. Here, we provide an overview of various therapeutic approaches that have been evaluated or that are currently being developed and/or explored. These include administration of α-GalCer or alternative (glyco) lipid antigens, glycolipid-loaded antigen-presenting cells and liposomes, strategies that enhance CD1d expression levels or are based on ligation of CD1d, adoptive transfer of iNKT cells or chimeric antigen receptor iNKT cells, and tumor targeting of iNKT cells.
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Affiliation(s)
- Lisa A King
- Department of Medical Oncology, VU University Medical Center and Cancer Center Amsterdam, Amsterdam, Netherlands
| | - Roeland Lameris
- Department of Medical Oncology, VU University Medical Center and Cancer Center Amsterdam, Amsterdam, Netherlands
| | - Tanja D de Gruijl
- Department of Medical Oncology, VU University Medical Center and Cancer Center Amsterdam, Amsterdam, Netherlands
| | - Hans J van der Vliet
- Department of Medical Oncology, VU University Medical Center and Cancer Center Amsterdam, Amsterdam, Netherlands
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153
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Zhou D, Xu L, Huang W, Tonn T. Epitopes of MUC1 Tandem Repeats in Cancer as Revealed by Antibody Crystallography: Toward Glycopeptide Signature-Guided Therapy. Molecules 2018; 23:molecules23061326. [PMID: 29857542 PMCID: PMC6099590 DOI: 10.3390/molecules23061326] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Revised: 05/20/2018] [Accepted: 05/22/2018] [Indexed: 02/06/2023] Open
Abstract
Abnormally O-glycosylated MUC1 tandem repeat glycopeptide epitopes expressed by multiple types of cancer have long been attractive targets for therapy in the race against genetic mutations of tumor cells. Glycopeptide signature-guided therapy might be a more promising avenue than mutation signature-guided therapy. Three O-glycosylated peptide motifs, PDTR, GSTA, and GVTS, exist in a tandem repeat HGVTSAPDTRPAPGSTAPPA, containing five O-glycosylation sites. The exact peptide and sugar residues involved in antibody binding are poorly defined. Co-crystal structures of glycopeptides and respective monoclonal antibodies are very few. Here we review 3 groups of monoclonal antibodies: antibodies which only bind to peptide portion, antibodies which only bind to sugar portion, and antibodies which bind to both peptide and sugar portions. The antigenicity of peptide and sugar portions of glyco-MUC1 tandem repeat were analyzed according to available biochemical and structural data, especially the GSTA and GVTS motifs independent from the most studied PDTR. Tn is focused as a peptide-modifying residue in vaccine design, to induce glycopeptide-binding antibodies with cross reactivity to Tn-related tumor glycans, but not glycans of healthy cells. The unique requirement for the designs of antibody in antibody-drug conjugate, bi-specific antibodies, and chimeric antigen receptors are also discussed.
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Affiliation(s)
- Dapeng Zhou
- Shanghai Pulmonary Hospital Affiliated with Tongji University School of Medicine, Shanghai 200092, China.
| | - Lan Xu
- Laboratory of Antibody Structure, Shanghai Institute for Advanced Immunochemical Studies, ShanghaiTech University, Shanghai 201203, China.
| | - Wei Huang
- CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences and iHuman Institute, ShanghaiTech University, Shanghai 201203, China.
| | - Torsten Tonn
- Institute for Transfusion Medicine Dresden, German Red Cross Blood Donation Service North-East, D-01307 Dresden, Germany.
- Medical Faculty, Carl Gustav Carus Technical University Dresden, D-01307 Dresden, Germany.
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154
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Prinzing BL, Gottschalk SM, Krenciute G. CAR T-cell therapy for glioblastoma: ready for the next round of clinical testing? Expert Rev Anticancer Ther 2018; 18:451-461. [PMID: 29533108 PMCID: PMC6191291 DOI: 10.1080/14737140.2018.1451749] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
INTRODUCTION The outcome for patients with glioblastoma (GBM) remains poor, and there is an urgent need to develop novel therapeutic approaches. T cells genetically modified with chimeric antigen receptors (CARs) hold the promise to improve outcomes since they recognize and kill cells through different mechanisms than conventional therapeutics. Areas covered: This article reviews CAR design, tumor associated antigens expressed by GBMs that can be targeted with CAR T cells, preclinical and clinical studies conducted with CAR T cells, and genetic approaches to enhance their effector function. Expert commentary: While preclinical studies have highlighted the potent anti-GBM activity of CAR T cells, the initial foray of CAR T-cell therapies into the clinic resulted only in limited benefits for GBM patients. Additional genetic modification of CAR T cells has resulted in a significant increase in their anti-GBM activity in preclinical models. We are optimistic that clinical testing of these enhanced CAR T cells will be safe and result in improved anti-glioma activity in GBM patients.
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Affiliation(s)
- Brooke L. Prinzing
- Integrative Molecular and Biomedical Science Graduate Program, Baylor College of Medicine, Houston, Texas 77030
- Department of Bone Marrow Transplant and Cellular Therapy, St. Jude Children’s Research Hospital, Memphis, TN 38105
| | - Stephen M. Gottschalk
- Department of Bone Marrow Transplant and Cellular Therapy, St. Jude Children’s Research Hospital, Memphis, TN 38105
| | - Giedre Krenciute
- Department of Bone Marrow Transplant and Cellular Therapy, St. Jude Children’s Research Hospital, Memphis, TN 38105
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155
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Immunotherapy with CAR-Modified T Cells: Toxicities and Overcoming Strategies. J Immunol Res 2018; 2018:2386187. [PMID: 29850622 PMCID: PMC5932485 DOI: 10.1155/2018/2386187] [Citation(s) in RCA: 92] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Accepted: 02/07/2018] [Indexed: 12/11/2022] Open
Abstract
T cells modified via chimeric antigen receptors (CARs) have emerged as a promising treatment modality. Unparalleled clinical efficacy recently demonstrated in refractory B-cell malignancy has brought this new form of adoptive immunotherapy to the center stage. Nonetheless, its current success has also highlighted its potential treatment-related toxicities. The adverse events observed in the clinical trials are described in this review, after which, some innovative strategies developed to overcome these unwanted toxicities are outlined, including suicide genes, targeted activation, and other novel strategies.
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156
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157
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Wolf BJ, Choi JE, Exley MA. Novel Approaches to Exploiting Invariant NKT Cells in Cancer Immunotherapy. Front Immunol 2018; 9:384. [PMID: 29559971 PMCID: PMC5845557 DOI: 10.3389/fimmu.2018.00384] [Citation(s) in RCA: 94] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Accepted: 02/12/2018] [Indexed: 12/24/2022] Open
Abstract
iNKT cells are a subset of innate-like T cells that utilize an invariant TCR alpha chain complexed with a limited repertoire of TCR beta chains to recognize specific lipid antigens presented by CD1d molecules. Because iNKT cells have an invariant TCR, they can be easily identified and targeted in both humans and mice via standard reagents, making this a population of T cells that has been well characterized. iNKT cells are some of the first cells to respond during an infection. By making different types of cytokines in response to different infection stimuli, iNKT cells help determine what kind of immune response then develops. It has been shown that iNKT cells are some of the first cells to respond during infection with a pathogen and the type of cytokines that iNKT cells make help determine the type of immune response that develops in various situations. Indeed, along with immunity to pathogens, pre-clinical mouse studies have clearly demonstrated that iNKT cells play a critical role in tumor immunosurveillance. They can mediate anti-tumor immunity by direct recognition of tumor cells that express CD1d, and/or via targeting CD1d found on cells within the tumor microenvironment. Multiple groups are now working on manipulating iNKT cells for clinical benefit within the context of cancer and have demonstrated that targeting iNKT cells can have a therapeutic benefit in patients. In this review, we briefly introduce iNKT cells, then discuss preclinical data on roles of iNKT cells and clinical trials that have targeted iNKT cells in cancer patients. We finally discuss how future trials could be modified to further increase the efficacy of iNKT cell therapies, in particular CAR-iNKT and rTCR-iNKT cells.
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Affiliation(s)
| | - Jiyoung Elizabeth Choi
- Agenus Inc., Lexington, MA, United States.,Brigham & Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Mark A Exley
- Agenus Inc., Lexington, MA, United States.,Brigham & Women's Hospital, Harvard Medical School, Boston, MA, United States.,University of Manchester, Manchester, United Kingdom
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158
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Krijgsman D, Hokland M, Kuppen PJK. The Role of Natural Killer T Cells in Cancer-A Phenotypical and Functional Approach. Front Immunol 2018. [PMID: 29535734 PMCID: PMC5835336 DOI: 10.3389/fimmu.2018.00367] [Citation(s) in RCA: 134] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Natural killer T (NKT) cells are a subset of CD1d-restricted T cells at the interface between the innate and adaptive immune system. NKT cells can be subdivided into functional subsets that respond rapidly to a wide variety of glycolipids and stress-related proteins using T- or natural killer (NK) cell-like effector mechanisms. Because of their major modulating effects on immune responses via secretion of cytokines, NKT cells are also considered important players in tumor immunosurveillance. During early tumor development, T helper (TH)1-like NKT cell subsets have the potential to rapidly stimulate tumor-specific T cells and effector NK cells that can eliminate tumor cells. In case of tumor progression, NKT cells may become overstimulated and anergic leading to deletion of a part of the NKT cell population in patients via activation-induced cell death. In addition, the remaining NKT cells become hyporesponsive, or switch to immunosuppressive TH2-/T regulatory-like NKT cell subsets, thereby facilitating tumor progression and immune escape. In this review, we discuss this important role of NKT cells in tumor development and we conclude that there should be three important focuses of future research in cancer patients in relation with NKT cells: (1) expansion of the NKT cell population, (2) prevention and breaking of NKT cell anergy, and (3) skewing of NKT cells toward TH1-like subsets with antitumor activity.
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Affiliation(s)
- Daniëlle Krijgsman
- Department of Surgery, Leiden University Medical Center, Leiden, Netherlands.,Department of Biomedicine, Aarhus University, Aarhus, Denmark
| | | | - Peter J K Kuppen
- Department of Surgery, Leiden University Medical Center, Leiden, Netherlands
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159
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Harrer DC, Dörrie J, Schaft N. Chimeric Antigen Receptors in Different Cell Types: New Vehicles Join the Race. Hum Gene Ther 2018; 29:547-558. [PMID: 29320890 DOI: 10.1089/hum.2017.236] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Adoptive cellular therapy has evolved into a powerful force in the battle against cancer, holding promise for curative responses in patients with advanced and refractory tumors. Autologous T cells, reprogrammed to target malignant cells via the expression of a chimeric antigen receptor (CAR) represent the frontrunner in this approach. Tremendous clinical regressions have been achieved using CAR-T cells against a variety of cancers both in numerous preclinical studies and in several clinical trials, most notably against acute lymphoblastic leukemia, and resulted in a very recent United States Food and Drug Administration approval of the first CAR-T-cell therapy. In most studies CARs are transferred to conventional αβT cells. Nevertheless, transferring a CAR into different cell types, such as γδT cells, natural killer cells, natural killer T cells, and myeloid cells has yet received relatively little attention, although these cell types possess unique features that may aid in surmounting some of the hurdles CAR-T-cell therapy currently faces. This review focuses on CAR therapy using effectors beyond conventional αβT cells and discusses those strategies against the backdrop of developing a safe, powerful, and durable cancer therapy.
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Affiliation(s)
- Dennis C Harrer
- 1 Department of Dermatology, Universitätsklinikum Erlangen and Faculty of Medicine, Friedrich-Alexander-Universität Erlangen-Nürnberg , Erlangen, Germany
| | - Jan Dörrie
- 1 Department of Dermatology, Universitätsklinikum Erlangen and Faculty of Medicine, Friedrich-Alexander-Universität Erlangen-Nürnberg , Erlangen, Germany
| | - Niels Schaft
- 1 Department of Dermatology, Universitätsklinikum Erlangen and Faculty of Medicine, Friedrich-Alexander-Universität Erlangen-Nürnberg , Erlangen, Germany
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160
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Li J, Li W, Huang K, Zhang Y, Kupfer G, Zhao Q. Chimeric antigen receptor T cell (CAR-T) immunotherapy for solid tumors: lessons learned and strategies for moving forward. J Hematol Oncol 2018; 11:22. [PMID: 29433552 PMCID: PMC5809840 DOI: 10.1186/s13045-018-0568-6] [Citation(s) in RCA: 169] [Impact Index Per Article: 28.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 02/06/2018] [Indexed: 12/21/2022] Open
Abstract
Recently, the US Food and Drug Administration (FDA) approved the first chimeric antigen receptor T cell (CAR-T) therapy for the treatment CD19-positive B cell acute lymphoblastic leukemia. While CAR-T has achieved remarkable success in the treatment of hematopoietic malignancies, whether it can benefit solid tumor patients to the same extent is still uncertain. Even though hundreds of clinical trials are undergoing exploring a variety of tumor-associated antigens (TAA), no such antigen with comparable properties like CD19 has yet been identified regarding solid tumors CAR-T immunotherapy. Inefficient T cell trafficking, immunosuppressive tumor microenvironment, suboptimal antigen recognition specificity, and lack of safety control are currently considered as the main obstacles in solid tumor CAR-T therapy. Here, we reviewed the solid tumor CAR-T clinical trials, emphasizing the studies with published results. We further discussed the challenges that CAR-T is facing for solid tumor treatment and proposed potential strategies to improve the efficacy of CAR-T as promising immunotherapy.
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Affiliation(s)
- Jian Li
- School of Medicine, Chengdu University, Chengdu, 610106, China
| | - Wenwen Li
- UCL Institute of Ophthalmology, 11-43 Bath Street, London, EC1V 9EL, UK
| | - Kejia Huang
- Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu, 610052, China
| | - Yang Zhang
- Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu, 610052, China
| | - Gary Kupfer
- Section of Hematology-Oncology, Department of Pediatrics, Yale University School of Medicine, New Haven, CT, 06520, USA
| | - Qi Zhao
- College of Pharmacy and Biological Engineering, Chengdu University, Chengdu, 610106, China.
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161
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Abstract
Harnessing the power of the human immune system to treat cancer is the essence of immunotherapy. Monoclonal antibodies engage the innate immune system to destroy targeted cells. For the last 30years, antibody-dependent cell-mediated cytotoxicity and complement-dependent cytotoxicity have been the main mechanisms of anti-tumor action of unconjugated antibody drugs. Efforts to exploit the potentials of other immune cells, in particular T cells, culminated in the recent approval of two T cell engaging bispecific antibody (T-BsAb) drugs, thereby stimulating new efforts to accelerate similar platforms through preclinical and clinical trials. In this review, we have compiled the worldwide effort in exploring T cell engaging bispecific antibodies. Our special emphasis is on the lessons learned, with the hope to derive insights in this fast evolving field with tremendous clinical potential.
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Affiliation(s)
- Z Wu
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, NY 10065, United States
| | - N V Cheung
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, NY 10065, United States.
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162
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Blood's 70th anniversary: CARs on the Blood highway. Blood 2018; 128:1-3. [PMID: 27389536 DOI: 10.1182/blood-2015-10-635334] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2015] [Accepted: 10/19/2015] [Indexed: 12/11/2022] Open
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163
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Lieberman NAP, Vitanza NA, Crane CA. Immunotherapy for brain tumors: understanding early successes and limitations. Expert Rev Neurother 2018; 18:251-259. [DOI: 10.1080/14737175.2018.1425617] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Nicole A. P. Lieberman
- Ben Towne Center for Childhood Cancer Research, Seattle Children’s Research Institute, Seattle, WA, USA
| | - Nicholas A. Vitanza
- Division of Hematology/Oncology, Department of Pediatrics, Seattle Children's Hospital, University of Washington School of Medicine, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Courtney A. Crane
- Ben Towne Center for Childhood Cancer Research, Seattle Children’s Research Institute, Seattle, WA, USA
- Department of Neurological Surgery, University of Washington School of Medicine, Seattle, WA, USA
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164
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Clancy-Thompson E, Ali L, Bruck PT, Exley MA, Blumberg RS, Dranoff G, Dougan M, Dougan SK. IAP Antagonists Enhance Cytokine Production from Mouse and Human iNKT Cells. Cancer Immunol Res 2018; 6:25-35. [PMID: 29187357 PMCID: PMC5754232 DOI: 10.1158/2326-6066.cir-17-0490] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Revised: 11/18/2017] [Accepted: 11/22/2017] [Indexed: 01/05/2023]
Abstract
Inhibitor of apoptosis protein (IAP) antagonists are in clinical trials for a variety of cancers, and mouse models show synergism between IAP antagonists and anti-PD-1 immunotherapy. Although IAP antagonists affect the intrinsic signaling of tumor cells, their most pronounced effects are on immune cells and the generation of antitumor immunity. Here, we examined the effects of IAP antagonism on T-cell development using mouse fetal thymic organ culture and observed a selective loss of iNKT cells, an effector cell type of potential importance for cancer immunotherapy. Thymic iNKT-cell development probably failed due to increased strength of TCR signal leading to negative selection, given that mature iNKT cells treated with IAP antagonists were not depleted, but had enhanced cytokine production in both mouse and human ex vivo cultures. Consistent with this, mature mouse primary iNKT cells and iNKT hybridomas increased production of effector cytokines in the presence of IAP antagonists. In vivo administration of IAP antagonists and α-GalCer resulted in increased IFNγ and IL-2 production from iNKT cells and decreased tumor burden in a mouse model of melanoma lung metastasis. Human iNKT cells also proliferated and increased IFNγ production dramatically in the presence of IAP antagonists, demonstrating the utility of these compounds in adoptive therapy of iNKT cells. Cancer Immunol Res; 6(1); 25-35. ©2017 AACR.
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Affiliation(s)
- Eleanor Clancy-Thompson
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Lestat Ali
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Patrick T Bruck
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Mark A Exley
- Beth Israel Deaconess Medical Center, Boston, Massachusetts
- Division of Gastroenterology, Brigham and Women's Hospital, Boston, Massachusetts
- Harvard Medical School, Boston, Massachusetts
| | - Richard S Blumberg
- Division of Gastroenterology, Brigham and Women's Hospital, Boston, Massachusetts
- Harvard Medical School, Boston, Massachusetts
| | - Glenn Dranoff
- Harvard Medical School, Boston, Massachusetts
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Michael Dougan
- Harvard Medical School, Boston, Massachusetts.
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts
- Division of Gastroenterology, Massachusetts General Hospital, Boston, Massachusetts
| | - Stephanie K Dougan
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, Massachusetts.
- Harvard Medical School, Boston, Massachusetts
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165
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Bedard M, Salio M, Cerundolo V. Harnessing the Power of Invariant Natural Killer T Cells in Cancer Immunotherapy. Front Immunol 2017; 8:1829. [PMID: 29326711 PMCID: PMC5741693 DOI: 10.3389/fimmu.2017.01829] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Accepted: 12/04/2017] [Indexed: 12/19/2022] Open
Abstract
Invariant natural killer T (iNKT) cells are a distinct subset of innate-like lymphocytes bearing an invariant T-cell receptor, through which they recognize lipid antigens presented by monomorphic CD1d molecules. Upon activation, iNKT cells are capable of not only having a direct effector function but also transactivating NK cells, maturing dendritic cells, and activating B cells, through secretion of several cytokines and cognate TCR-CD1d interaction. Endowed with the ability to orchestrate an all-encompassing immune response, iNKT cells are critical in shaping immune responses against pathogens and cancer cells. In this review, we examine the critical role of iNKT cells in antitumor responses from two perspectives: (i) how iNKT cells potentiate antitumor immunity and (ii) how CD1d+ tumor cells may modulate their own expression of CD1d molecules. We further explore hypotheses to explain iNKT cell activation in the context of cancer and how the antitumor effects of iNKT cells can be exploited in different forms of cancer immunotherapy, including their role in the development of cancer vaccines.
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Affiliation(s)
- Melissa Bedard
- MRC Human Immunology Unit, Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, United Kingdom
| | - Mariolina Salio
- MRC Human Immunology Unit, Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, United Kingdom
| | - Vincenzo Cerundolo
- MRC Human Immunology Unit, Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, United Kingdom
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166
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Chimeric Antigen Receptor-Engineered Human Gamma Delta T Cells: Enhanced Cytotoxicity with Retention of Cross Presentation. Mol Ther 2017; 26:354-365. [PMID: 29310916 PMCID: PMC5835118 DOI: 10.1016/j.ymthe.2017.12.001] [Citation(s) in RCA: 159] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Revised: 11/28/2017] [Accepted: 12/02/2017] [Indexed: 01/22/2023] Open
Abstract
Gamma delta T (γδT) lymphocytes are primed for rapid function, including cytotoxicity toward cancer cells, and are a component of the immediate stress response. Following activation, they can function as professional antigen-presenting cells. Chimeric antigen receptors (CARs) work by focusing T cell function on defined cell surface tumor antigens and provide essential costimulation for robust activation. Given the natural tropism of γδT cells for the tumor microenvironment, we hypothesized that their transduction with CARs might enhance cytotoxicity while retaining their ability to migrate to tumor and act as antigen-presenting cells to prolong the intratumoral immune response. Using a GD2-targeting CAR as a model system, we showed that γδT cells of both Vδ1 and Vδ2 subsets could be expanded and transduced to sufficient numbers for clinical studies. The CAR added to the cells' innate cytotoxicity by enhancing GD2-specific killing of GD2-expressing cancer cell lines. Migration toward tumor cells in vitro was not impaired by the presence of the CAR. Expanded CAR-transduced Vδ2 cells retained the ability to take up tumor antigens and cross presented the processed peptide to responder alpha beta T (αβT) lymphocytes. γδ CAR-T cell products show promise for evaluation in clinical studies of solid tumors.
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167
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Abstract
Autologous, patient-specific chimeric antigen receptor T-cell (CART) therapy has emerged as a powerful and potentially curative therapy for cancer, especially for CD19-positive hematological malignancies. Indeed, on August 30, 2017, the University of Pennsylvania-designed CD19-directed CART (CART-19) cell therapy (CTL019, tisagenlecleucel-t, Kymriah - Novartis) became the first CART therapy approved by the Food and Drug Administration (FDA) for acute lymphoblastic leukemia. However, the development of CART technology and its wider application is partly limited by the patient-specific nature of such a platform and by the time required for manufacturing. The efficacious generation of universal allogeneic CART cells would overcome these limitations and represent a major advance in the field. However, several obstacles in the generation of universal CART cells need to be overcome, namely the risk of CART rejection and the risk of graft-versus-host disease mediated by the allogeneic CART. In this review, we discuss the different strategies being employed to generate universal CART and provide our perspective on the successful development of a truly off-the-shelf CART product.
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Affiliation(s)
- Marco Ruella
- Center for Cellular Immunotherapies, Perelman School of Medicine at the University of Pennsylvania, Smilow Center for Translational Research, 8-112, 3400 Civic Center Boulevard, Philadelphia, PA, 19104, USA.
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA.
- Abramson Cancer Center, University of Pennsylvania, Philadelphia, PA, USA.
| | - Saad S Kenderian
- Division of Hematology, Department of Medicine, Mayo Clinic, Rochester, MN, USA
- Department of Immunology, Mayo Clinic, Rochester, MN, USA
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168
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Shissler SC, Lee MS, Webb TJ. Mixed Signals: Co-Stimulation in Invariant Natural Killer T Cell-Mediated Cancer Immunotherapy. Front Immunol 2017; 8:1447. [PMID: 29163518 PMCID: PMC5671952 DOI: 10.3389/fimmu.2017.01447] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Accepted: 10/17/2017] [Indexed: 12/31/2022] Open
Abstract
Invariant natural killer T (iNKT) cells are an integral component of the immune system and play an important role in antitumor immunity. Upon activation, iNKT cells can directly kill malignant cells as well as rapidly produce cytokines that stimulate other immune cells, making them a front line defense against tumorigenesis. Unfortunately, iNKT cell number and activity are reduced in multiple cancer types. This anergy is often associated with upregulation of co-inhibitory markers such as programmed death-1. Similar to conventional T cells, iNKT cells are influenced by the conditions of their activation. Conventional T cells receive signals through the following three types of receptors: (1) T cell receptor (TCR), (2) co-stimulation molecules, and (3) cytokine receptors. Unlike conventional T cells, which recognize peptide antigen presented by MHC class I or II, the TCRs of iNKT cells recognize lipid antigen in the context of the antigen presentation molecule CD1d (Signal 1). Co-stimulatory molecules can positively and negatively influence iNKT cell activation and function and skew the immune response (Signal 2). This study will review the background of iNKT cells and their co-stimulatory requirements for general function and in antitumor immunity. We will explore the impact of monoclonal antibody administration for both blocking inhibitory pathways and engaging stimulatory pathways on iNKT cell-mediated antitumor immunity. This review will highlight the incorporation of co-stimulatory molecules in antitumor dendritic cell vaccine strategies. The use of co-stimulatory intracellular signaling domains in chimeric antigen receptor-iNKT therapy will be assessed. Finally, we will explore the influence of innate-like receptors and modification of immunosuppressive cytokines (Signal 3) on cancer immunotherapy.
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Affiliation(s)
- Susannah C Shissler
- Department of Microbiology and Immunology, Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Michael S Lee
- Department of Microbiology and Immunology, Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Tonya J Webb
- Department of Microbiology and Immunology, Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, MD, United States
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169
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Zhang L, Donda A. Alpha-Galactosylceramide/CD1d-Antibody Fusion Proteins Redirect Invariant Natural Killer T Cell Immunity to Solid Tumors and Promote Prolonged Therapeutic Responses. Front Immunol 2017; 8:1417. [PMID: 29163493 PMCID: PMC5672503 DOI: 10.3389/fimmu.2017.01417] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Accepted: 10/12/2017] [Indexed: 12/16/2022] Open
Abstract
Major progress in cancer immunotherapies have been obtained by the use of tumor targeting strategies, in particular with the development of bi-functional fusion proteins such as ImmTacs or BiTes, which engage effector T cells for targeted elimination of tumor cells. Given the significance of invariant natural killer T (iNKT) cells in bridging innate and adaptive immunity, we have developed a bi-functional protein composed of the extracellular part of CD1d molecule that was genetically fused to an scFv fragment from high affinity antibodies against HER2 or CEA. Systemic treatments with the CD1d-antitumor fusion proteins loaded with the agonist alpha-galactosylceramide (αGalCer) led to specific iNKT cell activation, resulting in a sustained growth inhibition of established tumors expressing HER2 or CEA, while treatment with the free αGalCer was ineffective. Importantly, we discovered that αGalCer/CD1d-antitumor fusion proteins were able to maintain iNKT cells reactive to multiple re-stimulations in contrast to their anergic state induced after a single injection of free αGalCer. We further demonstrated that the antitumor effects by αGalCer/CD1d-antitumor fusion proteins were largely dependent on the iNKT cell-mediated transactivation of NK cells. Moreover, prolonged antitumor effects could be obtained when combining the CD1d-antitumor fusion protein treatment with a therapeutic peptide/CpG cancer vaccine, which favored the capacity of iNKT cells to transactivate cross-presenting DCs for efficient priming of tumor-specific CD8 T cells. We will also summarize these pre-clinical results with a special focus on the cellular mechanisms underlying iNKT cell unresponsiveness to antigen re-challenge. Finally, we will discuss the perspectives regarding iNKT cell-mediated tumor targeting strategy in cancer immunotherapy.
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Affiliation(s)
- Lianjun Zhang
- Translational Tumor Immunology Group, Ludwig Center for Cancer Research, University of Lausanne, Lausanne, Switzerland.,Department of Fundamental Oncology, University of Lausanne, Lausanne, Switzerland
| | - Alena Donda
- Translational Tumor Immunology Group, Ludwig Center for Cancer Research, University of Lausanne, Lausanne, Switzerland.,Department of Fundamental Oncology, University of Lausanne, Lausanne, Switzerland
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170
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Lam PY, Nissen MD, Mattarollo SR. Invariant Natural Killer T Cells in Immune Regulation of Blood Cancers: Harnessing Their Potential in Immunotherapies. Front Immunol 2017; 8:1355. [PMID: 29109728 PMCID: PMC5660073 DOI: 10.3389/fimmu.2017.01355] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Accepted: 10/03/2017] [Indexed: 01/03/2023] Open
Abstract
Invariant natural killer T (iNKT) cells are a unique innate T lymphocyte population that possess cytolytic properties and profound immunoregulatory activities. iNKT cells play an important role in the immune surveillance of blood cancers. They predominantly recognize glycolipid antigens presented on CD1d, but their activation and cytolytic activities are not confined to CD1d expressing cells. iNKT cell stimulation and subsequent production of immunomodulatory cytokines serve to enhance the overall antitumor immune response. Crucially, the activation of iNKT cells in cancer often precedes the activation and priming of other immune effector cells, such as NK cells and T cells, thereby influencing the generation and outcome of the antitumor immune response. Blood cancers can evade or dampen iNKT cell responses by downregulating expression of recognition receptors or by actively suppressing or diverting iNKT cell functions. This review will discuss literature on iNKT cell activity and associated dysregulation in blood cancers as well as highlight some of the strategies designed to harness and enhance iNKT cell functions against blood cancers.
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Affiliation(s)
- Pui Yeng Lam
- The University of Queensland Diamantina Institute, The University of Queensland, Translational Research Institute, Brisbane, QLD, Australia
| | - Michael D. Nissen
- The University of Queensland Diamantina Institute, The University of Queensland, Translational Research Institute, Brisbane, QLD, Australia
| | - Stephen R. Mattarollo
- The University of Queensland Diamantina Institute, The University of Queensland, Translational Research Institute, Brisbane, QLD, Australia
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171
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Nair S, Dhodapkar MV. Natural Killer T Cells in Cancer Immunotherapy. Front Immunol 2017; 8:1178. [PMID: 29018445 PMCID: PMC5614937 DOI: 10.3389/fimmu.2017.01178] [Citation(s) in RCA: 164] [Impact Index Per Article: 23.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Accepted: 09/06/2017] [Indexed: 12/27/2022] Open
Abstract
Natural killer T (NKT) cells are specialized CD1d-restricted T cells that recognize lipid antigens. Following stimulation, NKT cells lead to downstream activation of both innate and adaptive immune cells in the tumor microenvironment. This has impelled the development of NKT cell-targeted immunotherapies for treating cancer. In this review, we provide a brief overview of the stimulatory and regulatory functions of NKT cells in tumor immunity as well as highlight preclinical and clinical studies based on NKT cells. Finally, we discuss future perspectives to better harness the potential of NKT cells for cancer therapy.
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Affiliation(s)
- Shiny Nair
- Yale University, New Haven, CT, United States
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172
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Schäfer C, Ascui G, Ribeiro CH, López M, Prados-Rosales R, González PA, Bueno SM, Riedel CA, Baena A, Kalergis AM, Carreño LJ. Innate immune cells for immunotherapy of autoimmune and cancer disorders. Int Rev Immunol 2017; 36:315-337. [PMID: 28933579 DOI: 10.1080/08830185.2017.1365145] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Modulation of the immune system has been widely targeted for the treatment of several immune-related diseases, such as autoimmune disorders and cancer, due to its crucial role in these pathologies. Current available therapies focus mainly on symptomatic treatment and are often associated with undesirable secondary effects. For several years, remission of disease and subsequently recovery of immune homeostasis has been a major goal for immunotherapy. Most current immunotherapeutic strategies are aimed to inhibit or potentiate directly the adaptive immune response by modulating antibody production and B cell memory, as well as the effector potential and memory of T cells. Although these immunomodulatory approaches have shown some success in the clinic with promising therapeutic potential, they have some limitations related to their effectiveness in disease models and clinical trials, as well as elevated costs. In the recent years, a renewed interest has emerged on targeting innate immune cells for immunotherapy, due to their high plasticity and ability to exert a potent and extremely rapid response, which can influence the outcome of the adaptive immune response. In this review, we discuss the immunomodulatory potential of several innate immune cells, as well as they use for immunotherapy, especially in autoimmunity and cancer.
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Affiliation(s)
- Carolina Schäfer
- a Millennium Institute on Immunology and Immunotherapy Santiago , Chile.,b Programa de Inmunología, Instituto de Ciencias Biomédicas, Facultad de Medicina , Universidad de Chile , Santiago , Chile
| | - Gabriel Ascui
- a Millennium Institute on Immunology and Immunotherapy Santiago , Chile.,b Programa de Inmunología, Instituto de Ciencias Biomédicas, Facultad de Medicina , Universidad de Chile , Santiago , Chile
| | - Carolina H Ribeiro
- b Programa de Inmunología, Instituto de Ciencias Biomédicas, Facultad de Medicina , Universidad de Chile , Santiago , Chile
| | - Mercedes López
- a Millennium Institute on Immunology and Immunotherapy Santiago , Chile.,b Programa de Inmunología, Instituto de Ciencias Biomédicas, Facultad de Medicina , Universidad de Chile , Santiago , Chile
| | - Rafael Prados-Rosales
- c Centro de Investigaciones Cooperativas en Biociencias (CIC bioGUNE) , Bilbao , Spain
| | - Pablo A González
- a Millennium Institute on Immunology and Immunotherapy Santiago , Chile.,d Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas , Pontificia Universidad Católica de Chile , Santiago , Chile
| | - Susan M Bueno
- a Millennium Institute on Immunology and Immunotherapy Santiago , Chile.,d Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas , Pontificia Universidad Católica de Chile , Santiago , Chile
| | - Claudia A Riedel
- a Millennium Institute on Immunology and Immunotherapy Santiago , Chile.,e Departamento de Ciencias Biológicas, Facultad de Ciencias Biológicas y Facultad de Medicina , Universidad Andrés Bello , Santiago , Chile
| | - Andrés Baena
- f Departamento de Microbiología y Parasitología, Facultad de Medicina , Universidad de Antioquia , Medellín , Colombia
| | - Alexis M Kalergis
- a Millennium Institute on Immunology and Immunotherapy Santiago , Chile.,d Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas , Pontificia Universidad Católica de Chile , Santiago , Chile.,g Departamento de Endocrinología, Facultad de Medicina , Pontificia Universidad Católica de Chile , Santiago , Chile
| | - Leandro J Carreño
- a Millennium Institute on Immunology and Immunotherapy Santiago , Chile.,b Programa de Inmunología, Instituto de Ciencias Biomédicas, Facultad de Medicina , Universidad de Chile , Santiago , Chile
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173
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Bollino D, Webb TJ. Chimeric antigen receptor-engineered natural killer and natural killer T cells for cancer immunotherapy. Transl Res 2017; 187. [PMID: 28651074 PMCID: PMC5604792 DOI: 10.1016/j.trsl.2017.06.003] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Natural killer (NK) cells of the innate immune system and natural killer T (NKT) cells, which have roles in both the innate and adaptive responses, are unique lymphocyte subsets that have similarities in their functions and phenotypes. Both cell types can rapidly respond to the presence of tumor cells and participate in immune surveillance and antitumor immune responses. This has incited interest in the development of novel cancer therapeutics based on NK and NKT cell manipulation. Chimeric antigen receptors (CARs), generated through the fusion of an antigen-binding region of a monoclonal antibody or other ligand to intracellular signaling domains, can enhance lymphocyte targeting and activation toward diverse malignancies. Most of the CAR studies have focused on their expression in T cells; however, the functional heterogeneity of CAR T cells limits their therapeutic potential and is associated with toxicity. CAR-modified NK and NKT cells are becoming more prevalent because they provide a method to direct these cells more specifically to target cancer cells, with less risk of adverse effects. This review will outline current NK and NKT cell CAR constructs and how they compare to conventional CAR T cells, and discuss future modifications that can be explored to advance adoptive cell transfer of NK and NKT cells.
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Affiliation(s)
- Dominique Bollino
- Department of Microbiology and Immunology, University of Maryland School of Medicine and the Marlene and Stewart Greenebaum Cancer Center, Baltimore, Md
| | - Tonya J Webb
- Department of Microbiology and Immunology, University of Maryland School of Medicine and the Marlene and Stewart Greenebaum Cancer Center, Baltimore, Md.
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174
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Abstract
There has been dramatic success in treating patients with adoptive transfer of autologous T cells genetically modified to express a chimeric antigen receptor redirecting them to the antigen CD19. Despite this success, the application of chimeric antigen receptor T-cell therapy in solid malignancies has encountered many challenges that need to be overcome if similar success across other cancers is to become a reality. These challenges can be classified into 6 categories: the heterogeneity of tumor cell clones and tumor-associated antigen expression; poor T-cell trafficking into the tumor site; poor T-cell survival and persistence; the presence of suppressive immune cells; the secretion of suppressive soluble factors in the tumor microenvironment; and the upregulation of T-cell intrinsic inhibitory pathways. We outline specific representative hurdles in each of these categories and summarize the progress made in understanding them and developing strategies to overcome them.
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175
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Shum T, Omer B, Tashiro H, Kruse RL, Wagner DL, Parikh K, Yi Z, Sauer T, Liu D, Parihar R, Castillo P, Liu H, Brenner MK, Metelitsa LS, Gottschalk S, Rooney CM. Constitutive Signaling from an Engineered IL7 Receptor Promotes Durable Tumor Elimination by Tumor-Redirected T Cells. Cancer Discov 2017; 7:1238-1247. [PMID: 28830878 DOI: 10.1158/2159-8290.cd-17-0538] [Citation(s) in RCA: 200] [Impact Index Per Article: 28.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Revised: 07/19/2017] [Accepted: 08/15/2017] [Indexed: 01/05/2023]
Abstract
Successful adoptive T-cell immunotherapy of solid tumors will require improved expansion and cytotoxicity of tumor-directed T cells within tumors. Providing recombinant or transgenic cytokines may produce the desired benefits but is associated with significant toxicities, constraining clinical use. To circumvent this limitation, we constructed a constitutively signaling cytokine receptor, C7R, which potently triggers the IL7 signaling axis but is unresponsive to extracellular cytokine. This strategy augments modified T-cell function following antigen exposure, but avoids stimulating bystander lymphocytes. Coexpressing the C7R with a tumor-directed chimeric antigen receptor (CAR) increased T-cell proliferation, survival, and antitumor activity during repeated exposure to tumor cells, without T-cell dysfunction or autonomous T-cell growth. Furthermore, C7R-coexpressing CAR T cells were active against metastatic neuroblastoma and orthotopic glioblastoma xenograft models even at cell doses that had been ineffective without C7R support. C7R may thus be able to enhance antigen-specific T-cell therapies against cancer.Significance: The constitutively signaling C7R system developed here delivers potent IL7 stimulation to CAR T cells, increasing their persistence and antitumor activity against multiple preclinical tumor models, supporting its clinical development. Cancer Discov; 7(11); 1238-47. ©2017 AACR.This article is highlighted in the In This Issue feature, p. 1201.
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Affiliation(s)
- Thomas Shum
- Center for Cell and Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, and Baylor College of Medicine, Houston, Texas.,Medical Scientist Training Program, Baylor College of Medicine, Houston, Texas.,Interdepartmental Program in Translational Biology and Molecular Medicine, Baylor College of Medicine, Houston, Texas
| | - Bilal Omer
- Center for Cell and Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, and Baylor College of Medicine, Houston, Texas.,Department of Pediatrics, Baylor College of Medicine, Houston, Texas.,Texas Children's Cancer and Hematology Centers, Baylor College of Medicine, Houston, Texas
| | - Haruko Tashiro
- Center for Cell and Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, and Baylor College of Medicine, Houston, Texas
| | - Robert L Kruse
- Center for Cell and Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, and Baylor College of Medicine, Houston, Texas.,Medical Scientist Training Program, Baylor College of Medicine, Houston, Texas.,Interdepartmental Program in Translational Biology and Molecular Medicine, Baylor College of Medicine, Houston, Texas
| | - Dimitrios L Wagner
- Center for Cell and Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, and Baylor College of Medicine, Houston, Texas
| | - Kathan Parikh
- Center for Cell and Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, and Baylor College of Medicine, Houston, Texas
| | - Zhongzhen Yi
- Center for Cell and Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, and Baylor College of Medicine, Houston, Texas
| | - Tim Sauer
- Center for Cell and Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, and Baylor College of Medicine, Houston, Texas
| | - Daofeng Liu
- Center for Cell and Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, and Baylor College of Medicine, Houston, Texas
| | - Robin Parihar
- Center for Cell and Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, and Baylor College of Medicine, Houston, Texas
| | - Paul Castillo
- Center for Cell and Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, and Baylor College of Medicine, Houston, Texas
| | - Hao Liu
- Biostatistics Shared Resource, Baylor College of Medicine, Houston, Texas
| | - Malcolm K Brenner
- Center for Cell and Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, and Baylor College of Medicine, Houston, Texas.,Department of Medicine, Baylor College of Medicine, Houston, Texas
| | - Leonid S Metelitsa
- Center for Cell and Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, and Baylor College of Medicine, Houston, Texas.,Department of Pediatrics, Baylor College of Medicine, Houston, Texas.,Texas Children's Cancer and Hematology Centers, Baylor College of Medicine, Houston, Texas.,Department of Medicine, Baylor College of Medicine, Houston, Texas
| | - Stephen Gottschalk
- Center for Cell and Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, and Baylor College of Medicine, Houston, Texas.,Department of Pediatrics, Baylor College of Medicine, Houston, Texas.,Texas Children's Cancer and Hematology Centers, Baylor College of Medicine, Houston, Texas.,Department of Medicine, Baylor College of Medicine, Houston, Texas
| | - Cliona M Rooney
- Center for Cell and Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, and Baylor College of Medicine, Houston, Texas. .,Interdepartmental Program in Translational Biology and Molecular Medicine, Baylor College of Medicine, Houston, Texas.,Department of Pediatrics, Baylor College of Medicine, Houston, Texas.,Texas Children's Cancer and Hematology Centers, Baylor College of Medicine, Houston, Texas.,Department of Pathology and Immunology, Baylor College of Medicine, Houston, Texas.,Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas
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176
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Ghinnagow R, Cruz LJ, Macho-Fernandez E, Faveeuw C, Trottein F. Enhancement of Adjuvant Functions of Natural Killer T Cells Using Nanovector Delivery Systems: Application in Anticancer Immune Therapy. Front Immunol 2017; 8:879. [PMID: 28798749 PMCID: PMC5529346 DOI: 10.3389/fimmu.2017.00879] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Accepted: 07/10/2017] [Indexed: 11/13/2022] Open
Abstract
Type I natural killer T (NKT) cells have gained considerable interest in anticancer immune therapy over the last decade. This “innate-like” T lymphocyte subset has the unique ability to recognize foreign and self-derived glycolipid antigens in association with the CD1d molecule expressed by antigen-presenting cells. An important property of these cells is to bridge innate and acquired immune responses. The adjuvant function of NKT cells might be exploited in the clinics. In this review, we discuss the approaches currently being used to target NKT cells for cancer therapy. In particular, we highlight ongoing strategies utilizing NKT cell-based nanovaccines to optimize immune therapy.
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Affiliation(s)
- Reem Ghinnagow
- Univ. Lille, U1019 - UMR 8204 - CIIL - Centre d'Infection et d'Immunité de Lille, Lille, France.,Centre National de la Recherche Scientifique, UMR 8204, Lille, France.,Institut National de la Santé et de la Recherche Médicale U1019, Lille, France.,Hospitalier Universitaire de Lille, Lille, France.,Institut Pasteur de Lille, Lille, France
| | - Luis Javier Cruz
- Translational Nanobiomaterials and Imaging, Department of Radiology, Leiden University Medical Center, Leiden, Netherlands
| | - Elodie Macho-Fernandez
- Univ. Lille, U1019 - UMR 8204 - CIIL - Centre d'Infection et d'Immunité de Lille, Lille, France.,Centre National de la Recherche Scientifique, UMR 8204, Lille, France.,Institut National de la Santé et de la Recherche Médicale U1019, Lille, France.,Hospitalier Universitaire de Lille, Lille, France.,Institut Pasteur de Lille, Lille, France
| | - Christelle Faveeuw
- Univ. Lille, U1019 - UMR 8204 - CIIL - Centre d'Infection et d'Immunité de Lille, Lille, France.,Centre National de la Recherche Scientifique, UMR 8204, Lille, France.,Institut National de la Santé et de la Recherche Médicale U1019, Lille, France.,Hospitalier Universitaire de Lille, Lille, France.,Institut Pasteur de Lille, Lille, France
| | - François Trottein
- Univ. Lille, U1019 - UMR 8204 - CIIL - Centre d'Infection et d'Immunité de Lille, Lille, France.,Centre National de la Recherche Scientifique, UMR 8204, Lille, France.,Institut National de la Santé et de la Recherche Médicale U1019, Lille, France.,Hospitalier Universitaire de Lille, Lille, France.,Institut Pasteur de Lille, Lille, France
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177
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Harnessing the CD1 restricted T cell response for leukemia adoptive immunotherapy. Cytokine Growth Factor Rev 2017; 36:117-123. [PMID: 28712863 DOI: 10.1016/j.cytogfr.2017.06.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Accepted: 06/15/2017] [Indexed: 01/03/2023]
Abstract
Disease recurrence following chemotherapy and allogeneic hematopoietic cell transplantation is the major unmet clinical need of acute leukemia. Adoptive cell therapy (ACT) with allogeneic T lymphocytes can control recurrences at the cost of inducing detrimental GVHD. Targeting T cell recognition on leukemia cells is therefore needed to overcome the problem and ensure safe and durable disease remission. In this review, we discuss adoptive cells therapy based on CD1-restricted T cells specific for tumor associated self-lipid antigens. CD1 molecules are identical in every individual and expressed essentially on mature hematopoietic cells and leukemia blasts, but not by parenchymatous cells, while lipid antigens are enriched in malignant cells and unlike to mutate upon immune-mediated selective pressure. Redirecting T cells against self-lipids presented by CD1 molecules can thus provide an appealing cell therapy strategy for acute leukemia that is patient-unrestricted and can minimize risks for GVHD, implying potential prognostic improvement for this cancer.
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178
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Heczey A, Louis CU, Savoldo B, Dakhova O, Durett A, Grilley B, Liu H, Wu MF, Mei Z, Gee A, Mehta B, Zhang H, Mahmood N, Tashiro H, Heslop HE, Dotti G, Rooney CM, Brenner MK. CAR T Cells Administered in Combination with Lymphodepletion and PD-1 Inhibition to Patients with Neuroblastoma. Mol Ther 2017; 25:2214-2224. [PMID: 28602436 DOI: 10.1016/j.ymthe.2017.05.012] [Citation(s) in RCA: 346] [Impact Index Per Article: 49.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Revised: 05/15/2017] [Accepted: 05/15/2017] [Indexed: 12/13/2022] Open
Abstract
Targeting disialoganglioside (GD2) on neuroblastoma (NB) with T cells expressing a first-generation chimeric antigen receptor (CAR) was safe, but the cells had poor expansion and long-term persistence. We developed a third-generation GD2-CAR (GD2-CAR3) and hypothesized that GD2-CAR3 T cells (CARTs) would be safe and effective. This phase 1 study enrolled relapsed or refractory NB patients in three cohorts. Cohort 1 received CART alone, cohort 2 received CARTs plus cyclophosphamide and fludarabine (Cy/Flu), and cohort 3 was treated with CARTs, Cy/Flu, and a programmed death-1 (PD-1) inhibitor. Eleven patients were treated with CARTs. The infusions were safe, and no dose-limiting toxicities occurred. CARTs were detectable in cohort 1, but the lymphodepletion induced by Cy/Flu increased circulating levels of the homeostatic cytokine interleukin (IL)-15 (p = 0.003) and increased CART expansion by up to 3 logs (p = 0.03). PD-1 inhibition did not further enhance expansion or persistence. Antitumor responses at 6 weeks were modest. We observed a striking expansion of CD45/CD33/CD11b/CD163+ myeloid cells (change from baseline, p = 0.0126) in all patients, which may have contributed to the modest early antitumor responses; the effect of these cells merits further study. Thus, CARTs are safe, and Cy/Flu can further increase their expansion.
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Affiliation(s)
- Andras Heczey
- Texas Children's Cancer Center, Department of Pediatrics, Baylor College of Medicine, Houston, TX 77030, USA.
| | - Chrystal U Louis
- Texas Children's Cancer Center, Department of Pediatrics, Baylor College of Medicine, Houston, TX 77030, USA
| | - Barbara Savoldo
- Department of Microbiology and Immunology, School of Medicine, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Olga Dakhova
- Center for Cell and Gene Therapy, Baylor College of Medicine, Texas Children's Hospital and Houston Methodist Hospital, Houston, TX 77030, USA
| | - April Durett
- Center for Cell and Gene Therapy, Baylor College of Medicine, Texas Children's Hospital and Houston Methodist Hospital, Houston, TX 77030, USA
| | - Bambi Grilley
- Center for Cell and Gene Therapy, Baylor College of Medicine, Texas Children's Hospital and Houston Methodist Hospital, Houston, TX 77030, USA
| | - Hao Liu
- Biostatistics and Informatics Group, Shared Resources, Dan L Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, TX 77030, USA
| | - Mengfeng F Wu
- Biostatistics and Informatics Group, Shared Resources, Dan L Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, TX 77030, USA
| | - Zhuyong Mei
- Center for Cell and Gene Therapy, Baylor College of Medicine, Texas Children's Hospital and Houston Methodist Hospital, Houston, TX 77030, USA
| | - Adrian Gee
- Center for Cell and Gene Therapy, Baylor College of Medicine, Texas Children's Hospital and Houston Methodist Hospital, Houston, TX 77030, USA
| | - Birju Mehta
- Center for Cell and Gene Therapy, Baylor College of Medicine, Texas Children's Hospital and Houston Methodist Hospital, Houston, TX 77030, USA
| | - Huimin Zhang
- Center for Cell and Gene Therapy, Baylor College of Medicine, Texas Children's Hospital and Houston Methodist Hospital, Houston, TX 77030, USA
| | - Nadia Mahmood
- Department of Radiology, Baylor College of Medicine, Houston, TX 77030, USA
| | - Haruko Tashiro
- Center for Cell and Gene Therapy, Baylor College of Medicine, Texas Children's Hospital and Houston Methodist Hospital, Houston, TX 77030, USA
| | - Helen E Heslop
- Center for Cell and Gene Therapy, Baylor College of Medicine, Texas Children's Hospital and Houston Methodist Hospital, Houston, TX 77030, USA
| | - Gianpietro Dotti
- Department of Microbiology and Immunology, School of Medicine, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Cliona M Rooney
- Center for Cell and Gene Therapy, Baylor College of Medicine, Texas Children's Hospital and Houston Methodist Hospital, Houston, TX 77030, USA
| | - Malcolm K Brenner
- Center for Cell and Gene Therapy, Baylor College of Medicine, Texas Children's Hospital and Houston Methodist Hospital, Houston, TX 77030, USA
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179
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Kravets VG, Zhang Y, Sun H. Chimeric-Antigen-Receptor (CAR) T Cells and the Factors Influencing their Therapeutic Efficacy. JOURNAL OF IMMUNOLOGY RESEARCH AND THERAPY 2017; 2:100-113. [PMID: 30443604 PMCID: PMC6233887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Immunotherapeutic treatments for malignant cancers have revolutionized the medical and scientific fields. Lymphocytes engineered to display chimeric antigen receptor (CAR) molecules contribute to the exciting advancements that have stemmed from a greater understanding of cell structure and function, biological interactions, and the unique tumor microenvironment. CAR T cells circumvent the unique immune evasion capability of tumors by acting in a major histocompatibility complex (MHC) independent manner. Various factors contribute to the efficacy of CAR therapy, including CAR structure, gene transfer strategies, in vitro culture system, target selection, and preconditioning regimens. While recent clinical trials have shown promising success, cytotoxicity and other various challenges need to be addressed before CAR therapy can reach its full clinical potency. This review will discuss factors associated with CAR therapeutic success and the difficulties that continue to be a focus of research around the world.
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Affiliation(s)
- Victoria G Kravets
- The Wallace H. Coulter Department of Biomedical Engineering at the Georgia Institute of Technology & Emory University School of Medicine, Atlanta, GA, 30332, USA,Department of Microbiology and Immunology, Fels Institute for Cancer Research and Molecular Biology, Temple University, Philadelphia, PA 19104, USA
| | - Yi Zhang
- Department of Microbiology and Immunology, Fels Institute for Cancer Research and Molecular Biology, Temple University, Philadelphia, PA 19104, USA
| | - Hongxing Sun
- Department of Microbiology and Immunology, Fels Institute for Cancer Research and Molecular Biology, Temple University, Philadelphia, PA 19104, USA
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180
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Keller CW, Freigang S, Lünemann JD. Reciprocal Crosstalk between Dendritic Cells and Natural Killer T Cells: Mechanisms and Therapeutic Potential. Front Immunol 2017; 8:570. [PMID: 28596767 PMCID: PMC5442181 DOI: 10.3389/fimmu.2017.00570] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Accepted: 04/28/2017] [Indexed: 12/23/2022] Open
Abstract
Natural killer T cells carrying a highly conserved, semi-invariant T cell receptor (TCR) [invariant natural killer T (iNKT) cells] are a subset of unconventional T lymphocytes that recognize glycolipids presented by CD1d molecules. Although CD1d is expressed on a variety of hematopoietic and non-hematopoietic cells, dendritic cells (DCs) are key presenters of glycolipid antigen in vivo. When stimulated through their TCR, iNKT cells rapidly secrete copious amounts of cytokines and induce maturation of DCs, thereby facilitating coordinated stimulation of innate and adaptive immune responses. The bidirectional crosstalk between DCs and iNKT cells determines the functional outcome of iNKT cell-targeted responses and iNKT cell agonists are used and currently being evaluated as adjuvants to enhance the efficacy of antitumor immunotherapy. This review illustrates mechanistic underpinnings of reciprocal DCs and iNKT cell interactions and discusses how those can be harnessed for cancer therapy.
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Affiliation(s)
- Christian W Keller
- Institute of Experimental Immunology, Laboratory of Neuroinflammation, University of Zurich, Zurich, Switzerland
| | - Stefan Freigang
- Institute of Pathology, Laboratory of Immunopathology, University of Bern, Bern, Switzerland
| | - Jan D Lünemann
- Institute of Experimental Immunology, Laboratory of Neuroinflammation, University of Zurich, Zurich, Switzerland.,Department of Neurology, University Hospital Zurich, Zurich, Switzerland
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181
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Exley MA, Friedlander P, Alatrakchi N, Vriend L, Yue S, Sasada T, Zeng W, Mizukami Y, Clark J, Nemer D, LeClair K, Canning C, Daley H, Dranoff G, Giobbie-Hurder A, Hodi FS, Ritz J, Balk SP. Adoptive Transfer of Invariant NKT Cells as Immunotherapy for Advanced Melanoma: A Phase I Clinical Trial. Clin Cancer Res 2017; 23:3510-3519. [PMID: 28193627 DOI: 10.1158/1078-0432.ccr-16-0600] [Citation(s) in RCA: 114] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Revised: 04/12/2016] [Accepted: 01/24/2017] [Indexed: 02/06/2023]
Abstract
Purpose: Invariant NKT cells (iNKT) are innate-like CD1d-restricted T cells with immunoregulatory activity in diseases including cancer. iNKT from advanced cancer patients can have reversible defects including IFNγ production, and iNKT IFNγ production may stratify for survival. Previous clinical trials using iNKT cell activating ligand α-galactosylceramide have shown clinical responses. Therefore, a phase I clinical trial was performed of autologous in vitro expanded iNKT cells in stage IIIB-IV melanoma.Experimental Design: Residual iNKT cells [<0.05% of patient peripheral blood mononuclear cell (PBMC)] were purified from autologous leukapheresis product using an antibody against the iNKT cell receptor linked to magnetic microbeads. iNKT cells were then expanded with CD3 mAb and IL2 in vitro to obtain up to approximately 109 cells.Results: Expanded iNKT cells produced IFNγ, but limited or undetectable IL4 or IL10. Three iNKT infusions each were completed on 9 patients, and produced only grade 1-2 toxicities. The 4th patient onward received systemic GM-CSF with their second and third infusions. Increased numbers of iNKT cells were seen in PBMCs after some infusions, particularly when GM-CSF was also given. IFNγ responses to α-galactosylceramide were increased in PBMCs from some patients after infusions, and delayed-type hypersensitivity responses to Candida increased in 5 of 8 evaluated patients. Three patients have died, three were progression-free at 53, 60, and 65 months, three received further treatment and were alive at 61, 81, and 85 months. There was no clear correlation between outcome and immune parameters.Conclusions: Autologous in vitro expanded iNKT cells are a feasible and safe therapy, producing Th1-like responses with antitumor potential. Clin Cancer Res; 23(14); 3510-9. ©2017 AACR.
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Affiliation(s)
- Mark A Exley
- Hematology/Oncology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts. .,Gastroenterology, Brigham & Women's Hospital, Harvard Medical School, Boston, Massachusetts.,University of Manchester, Manchester, United Kingdom
| | - Phillip Friedlander
- Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts
| | - Nadia Alatrakchi
- Hematology/Oncology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Lianne Vriend
- Hematology/Oncology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Simon Yue
- Hematology/Oncology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Tetsuro Sasada
- Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts.,Cancer Vaccine Center, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Wanyong Zeng
- Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts.,Cancer Vaccine Center, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Yo Mizukami
- Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts
| | - Justice Clark
- Hematology/Oncology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - David Nemer
- Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts
| | | | - Christine Canning
- Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts.,Cancer Vaccine Center, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Heather Daley
- Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts.,Cancer Vaccine Center, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Glenn Dranoff
- Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts.,Cancer Vaccine Center, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Anita Giobbie-Hurder
- Biostatistics & Computational Biology, Dana Farber Cancer Institute, Harvard School of Public Health, Boston, Massachusetts
| | - F Stephen Hodi
- Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts.,Cancer Vaccine Center, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Jerome Ritz
- Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts.,Cancer Vaccine Center, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Steven P Balk
- Hematology/Oncology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts.
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182
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Targeting O-Acetyl-GD2 Ganglioside for Cancer Immunotherapy. J Immunol Res 2017; 2017:5604891. [PMID: 28154831 PMCID: PMC5244029 DOI: 10.1155/2017/5604891] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2016] [Revised: 11/18/2016] [Accepted: 12/08/2016] [Indexed: 12/29/2022] Open
Abstract
Target selection is a key feature in cancer immunotherapy, a promising field in cancer research. In this respect, gangliosides, a broad family of structurally related glycolipids, were suggested as potential targets for cancer immunotherapy based on their higher abundance in tumors when compared with the matched normal tissues. GD2 is the first ganglioside proven to be an effective target antigen for cancer immunotherapy with the regulatory approval of dinutuximab, a chimeric anti-GD2 therapeutic antibody. Although the therapeutic efficacy of anti-GD2 monoclonal antibodies is well documented, neuropathic pain may limit its application. O-Acetyl-GD2, the O-acetylated-derivative of GD2, has recently received attention as novel antigen to target GD2-positive cancers. The present paper examines the role of O-acetyl-GD2 in tumor biology as well as the available preclinical data of anti-O-acetyl-GD2 monoclonal antibodies. A discussion on the relevance of O-acetyl-GD2 in chimeric antigen receptor T cell therapy development is also included.
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183
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Abstract
Harnessing the immune system to eradicate malignant cells is becoming a most powerful new approach to cancer therapy. FDA approval of the immunotherapy-based drugs, sipuleucel-T (Provenge), ipilimumab (Yervoy, anti-CTLA-4), and more recently, the programmed cell death (PD)-1 antibody (pembrolizumab, Keytruda), for the treatment of multiple types of cancer has greatly advanced research and clinical studies in the field of cancer immunotherapy. Furthermore, recent clinical trials, using NY-ESO-1-specific T cell receptor (TCR) or CD19-chimeric antigen receptor (CAR), have shown promising clinical results for patients with metastatic cancer. Current success of cancer immunotherapy is built upon the work of cancer antigens and co-inhibitory signaling molecules identified 20 years ago. Among the large numbers of target antigens, CD19 is the best target for CAR T cell therapy for blood cancer, but CAR-engineered T cell immunotherapy does not yet work in solid cancer. NY-ESO-1 is one of the best targets for TCR-based immunotherapy in solid cancer. Despite the great success of checkpoint blockade therapy, more than 50% of cancer patients fail to respond to blockade therapy. The advent of new technologies such as next-generation sequencing has enhanced our ability to search for new immune targets in onco-immunology and accelerated the development of immunotherapy with potentially broader coverage of cancer patients. In this review, we will discuss the recent progresses of cancer immunotherapy and novel strategies in the identification of new immune targets and mutation-derived antigens (neoantigens) for cancer immunotherapy and immunoprecision medicine.
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Affiliation(s)
- Rong-Fu Wang
- Center for Inflammation and Epigenetics, Houston Methodist Research Institute, Houston, TX 77030, USA
- Department of Microbiology and Immunology, Weill Cornell Medicine, Cornell University, New York, NY 10065, USA
- Institute of Biosciences and Technology, College of Medicine, Texas A & M University, Houston, Texas 77030, USA
| | - Helen Y Wang
- Center for Inflammation and Epigenetics, Houston Methodist Research Institute, Houston, TX 77030, USA
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184
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Li W, Guo L, Rathi P, Marinova E, Gao X, Wu MF, Liu H, Dotti G, Gottschalk S, Metelitsa LS, Heczey A. Redirecting T Cells to Glypican-3 with 4-1BB Zeta Chimeric Antigen Receptors Results in Th1 Polarization and Potent Antitumor Activity. Hum Gene Ther 2016; 28:437-448. [PMID: 27530312 DOI: 10.1089/hum.2016.025] [Citation(s) in RCA: 69] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
T cells engineered to express CD19-specific chimeric antigen receptors (CARs) have shown breakthrough clinical successes in patients with B-cell lymphoid malignancies. However, similar therapeutic efficacy of CAR T cells in solid tumors is yet to be achieved. In this study we systematically evaluated a series of CAR constructs targeting glypican-3 (GPC3), which is selectively expressed on several solid tumors. We compared GPC3-specific CARs that encoded CD3ζ (Gz) alone or with costimulatory domains derived from CD28 (G28z), 4-1BB (GBBz), or CD28 and 4-1BB (G28BBz). All GPC3-CARs rendered T cells highly cytotoxic to GPC3-positive hepatocellular carcinoma, hepatoblastoma, and malignant rhabdoid tumor cell lines in vitro. GBBz induced the preferential production of Th1 cytokines (interferon γ/granulocyte macrophage colony-stimulating factor) while G28z preferentially induced Th2 cytokines (interleukin-4/interleukin-10). Inclusion of 4-1BB in G28BBz could only partially ameliorate the Th2-polarizing effect of CD28. 4-1BB induced superior expansion of CAR T cells in vitro and in vivo. T cells expressing GPC3-CARs incorporating CD28, 4-1BB, or both induced sustained tumor regressions in two xenogeneic tumor models. Thus, GBBz CAR endows T cells with superior proliferative potential, potent antitumor activity, and a Th1-biased cytokine profile, justifying further clinical development of GBBz CAR for immunotherapy of GPC3-positive solid tumors.
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Affiliation(s)
- Wenpeng Li
- 1 Texas Children's Cancer Center, Texas Children's Hospital, Houston, Texas.,2 Center for Cell and Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, and Baylor College of Medicine, Houston, Texas.,3 Department of Pediatrics, Houston, Texas
| | - Linjie Guo
- 1 Texas Children's Cancer Center, Texas Children's Hospital, Houston, Texas.,2 Center for Cell and Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, and Baylor College of Medicine, Houston, Texas.,3 Department of Pediatrics, Houston, Texas
| | - Purva Rathi
- 4 Biostatistics Shared Resource, Dan L Duncan Comprehensive Cancer Center, Houston, Texas
| | - Ekaterina Marinova
- 1 Texas Children's Cancer Center, Texas Children's Hospital, Houston, Texas.,2 Center for Cell and Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, and Baylor College of Medicine, Houston, Texas.,3 Department of Pediatrics, Houston, Texas
| | - Xiuhua Gao
- 1 Texas Children's Cancer Center, Texas Children's Hospital, Houston, Texas.,2 Center for Cell and Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, and Baylor College of Medicine, Houston, Texas.,3 Department of Pediatrics, Houston, Texas
| | - Meng-Feng Wu
- 4 Biostatistics Shared Resource, Dan L Duncan Comprehensive Cancer Center, Houston, Texas
| | - Hao Liu
- 4 Biostatistics Shared Resource, Dan L Duncan Comprehensive Cancer Center, Houston, Texas
| | - Gianpietro Dotti
- 5 Department of Microbiology and Immunology, University of North Carolina , Chapel Hill, North Carolina
| | - Stephen Gottschalk
- 1 Texas Children's Cancer Center, Texas Children's Hospital, Houston, Texas.,2 Center for Cell and Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, and Baylor College of Medicine, Houston, Texas.,3 Department of Pediatrics, Houston, Texas.,6 Department of Pathology and Immunology; Baylor College of Medicine, Houston, Texas
| | - Leonid S Metelitsa
- 1 Texas Children's Cancer Center, Texas Children's Hospital, Houston, Texas.,2 Center for Cell and Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, and Baylor College of Medicine, Houston, Texas.,3 Department of Pediatrics, Houston, Texas.,6 Department of Pathology and Immunology; Baylor College of Medicine, Houston, Texas
| | - Andras Heczey
- 1 Texas Children's Cancer Center, Texas Children's Hospital, Houston, Texas.,2 Center for Cell and Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, and Baylor College of Medicine, Houston, Texas.,3 Department of Pediatrics, Houston, Texas.,4 Biostatistics Shared Resource, Dan L Duncan Comprehensive Cancer Center, Houston, Texas
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185
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Abstract
Chimeric antigen receptor T cells redirected to CD19 (chimeric antigen receptor [CAR19]) show great promise in the clinic to treat refractory CD19+ acute lymphoblastic leukemia (ALL). However, production of autologous CAR19 cells from these patients can be difficult as patients frequently have T-cell dysfunction, due to disease and/or treatment-related effects. In this issue of Blood, Jacoby et al1 addressed this by exploring whether allogeneic donor CAR19 cells could be used to treat ALL-bearing mice using a minor mismatch bone marrow transplant model.
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186
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Prapa M, Caldrer S, Spano C, Bestagno M, Golinelli G, Grisendi G, Petrachi T, Conte P, Horwitz EM, Campana D, Paolucci P, Dominici M. A novel anti-GD2/4-1BB chimeric antigen receptor triggers neuroblastoma cell killing. Oncotarget 2016; 6:24884-94. [PMID: 26298772 PMCID: PMC4694800 DOI: 10.18632/oncotarget.4670] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2015] [Accepted: 07/08/2015] [Indexed: 01/13/2023] Open
Abstract
Chimeric antigen receptor (CAR)-expressing T cells are a promising therapeutic option for patients with cancer. We developed a new CAR directed against the disialoganglioside GD2, a surface molecule expressed in neuroblastoma and in other neuroectoderm-derived neoplasms. The anti-GD2 single-chain variable fragment (scFv) derived from a murine antibody of IgM class was linked, via a human CD8α hinge-transmembrane domain, to the signaling domains of the costimulatory molecules 4-1BB (CD137) and CD3-ζ. The receptor was expressed in T lymphocytes by retroviral transduction and anti-tumor activities were assessed by targeting GD2-positive neuroblastoma cells using in vitro cytotoxicity assays and a xenograft model. Transduced T cells expressed high levels of anti-GD2 CAR and exerted a robust and specific anti-tumor activity in 4- and 48-hour cultures with neuroblastoma cells. Cytotoxicity was associated with the release of pro-apoptotic molecules such as TRAIL and IFN-γ. These results were confirmed in a xenograft model, where anti-GD2 CAR T cells infiltrating tumors and persisting into blood circulation induced massive apoptosis of neuroblastoma cells and completely abrogated tumor growth. This anti-GD2 CAR represents a powerful new tool to redirect T cells against GD2. The preclinical results of this study warrant clinical testing of this approach in neuroblastoma and other GD2-positive malignancies.
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Affiliation(s)
- Malvina Prapa
- Department of Medical and Surgical Sciences for Children & Adults, Division of Oncology, University-Hospital of Modena and Reggio Emilia, Modena, Italy
| | - Sara Caldrer
- Department of Pathology and Diagnostics, University of Verona, Verona, Italy
| | - Carlotta Spano
- Department of Medical and Surgical Sciences for Children & Adults, Division of Oncology, University-Hospital of Modena and Reggio Emilia, Modena, Italy
| | - Marco Bestagno
- International Centre for Genetic Engineering and Biotechnology, Trieste, Italy
| | - Giulia Golinelli
- Department of Medical and Surgical Sciences for Children & Adults, Division of Oncology, University-Hospital of Modena and Reggio Emilia, Modena, Italy
| | - Giulia Grisendi
- Department of Medical and Surgical Sciences for Children & Adults, Division of Oncology, University-Hospital of Modena and Reggio Emilia, Modena, Italy
| | - Tiziana Petrachi
- Department of Medical and Surgical Sciences for Children & Adults, Division of Oncology, University-Hospital of Modena and Reggio Emilia, Modena, Italy
| | | | - Edwin M Horwitz
- Departments of Pediatrics and Medicine, Division of Hematology/Oncology/BMT, Nationwide Children's Hospital, The Ohio State University College of Medicine, Columbus, Ohio, USA
| | - Dario Campana
- Department of Pediatrics, National University of Singapore, Singapore
| | - Paolo Paolucci
- Department of Medical and Surgical Sciences for Children & Adults, Division of Oncology, University-Hospital of Modena and Reggio Emilia, Modena, Italy
| | - Massimo Dominici
- Department of Medical and Surgical Sciences for Children & Adults, Division of Oncology, University-Hospital of Modena and Reggio Emilia, Modena, Italy
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187
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Immunotherapeutic strategies targeting natural killer T cell responses in cancer. Immunogenetics 2016; 68:623-38. [PMID: 27393665 DOI: 10.1007/s00251-016-0928-8] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Accepted: 06/22/2016] [Indexed: 12/21/2022]
Abstract
Natural killer T (NKT) cells are a unique subset of lymphocytes that bridge the innate and adaptive immune system. NKT cells possess a classic αβ T cell receptor (TCR) that is able to recognize self and foreign glycolipid antigens presented by the nonclassical class I major histocompatibility complex (MHC) molecule, CD1d. Type I NKT cells (referred to as invariant NKT cells) express a semi-invariant Vα14Jα18 TCR in mice and Vα24Jα18 TCR in humans. Type II NKT cells are CD1d-restricted T cells that express a more diverse set of TCR α chains. The two types of NKT cells often exert opposing effects especially in tumor immunity, where type II cells generally suppress tumor immunity while type I NKT cells can enhance anti-tumor immune responses. In this review, we focus on the role of NKT cells in cancer. We discuss their effector and suppressive functions, as well as describe preclinical and clinical studies utilizing therapeutic strategies focused on harnessing their potent anti-tumor effector functions, and conclude with a discussion on potential next steps for the utilization of NKT cell-targeted therapies for the treatment of cancer.
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188
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Lieberman NAP, Moyes KW, Crane CA. Developing immunotherapeutic strategies to target brain tumors. Expert Rev Anticancer Ther 2016; 16:775-88. [PMID: 27253692 DOI: 10.1080/14737140.2016.1192470] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
INTRODUCTION Recent years have seen rapid growth in cancer treatments that enhance the anti-tumor activities of the immune system. Collectively known as immunotherapy, modulation of the immune system has shown success treating some hematological malignancies, but has yet to be successfully applied to the treatment of patients with brain tumors. AREAS COVERED This review highlights mechanistic insights from murine studies and compiled recent clinical trial data, focusing on the most aggressive brain tumor, glioblastoma (GBM). The field has recently accumulated a critical mass of data, and we discuss past treatment failures in the context of newly developed approaches now entering clinical trials. This article provides an overview of the immunotherapeutic armamentarium currently in development for the treatment of patients with GBM, who are in dire need of safe and effective therapies. Expert commentary: Themes that emerge include the importance of mitigating the effects of an immunosuppressive tumor microenvironment and the potential for innate immune cell activation to enhance cytotoxic anti-tumor activity. Consideration of these studies as a collective may inform the design of new immunotherapies, as well as the immune monitoring protocols for patients participating in clinical trials.
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Affiliation(s)
- Nicole A P Lieberman
- a Seattle Children's Research Institute, Ben Towne Center for Childhood Cancer Research , Seattle , WA , USA
| | - Kara White Moyes
- a Seattle Children's Research Institute, Ben Towne Center for Childhood Cancer Research , Seattle , WA , USA
| | - Courtney A Crane
- a Seattle Children's Research Institute, Ben Towne Center for Childhood Cancer Research , Seattle , WA , USA.,b Department of Neurological Surgery , University of Washington School of Medicine , Seattle , WA , USA
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189
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Control of leukemia relapse after allogeneic hematopoietic stem cell transplantation: integrating transplantation with genetically modified T cell therapies. Curr Opin Hematol 2016; 22:489-96. [PMID: 26335421 DOI: 10.1097/moh.0000000000000177] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE OF REVIEW Leukemia relapse remains a significant cause of failure after allogeneic hematopoietic stem cell transplantation (HSCT). Although it is widely accepted that immunological components of the stem cell graft play a critical role in promoting leukemia eradication (graft versus leukemia effect), it is also evident that their efficacy is frequently inadequate and leukemia relapse still occurs. This article reviews recent insights into T cell-based posttransplant immunotherapy approaches aimed at preventing or controlling leukemia relapse. RECENT FINDINGS Donor lymphocyte infusion with T cells genetically modified with safety switches improves the patient's immune reconstitution while offering appropriate control of graft versus host disease. T lymphocytes engineered with artificial tumor-specific receptors such as αβT-cell receptor chains or chimeric antigen receptors are major players in promoting antileukemia effects after allogeneic HSCT. SUMMARY The landscape of adoptive T cell therapies after allogeneic HSCT has seen significant achievements with the introduction of T cell engineering. Gene transfer grants the generation of T cell products characterized by standardizable specificity and functionality. This aspect is critical for scalable and reproducible approaches for application in large clinical studies. The clinical results so far reported are encouraging and multicenter studies conducted by pharmaceutical companies will provide definitive conclusions on the clinical impact of these new methodologies.
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190
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Abstract
PURPOSE OF REVIEW As T cells engineered with chimeric antigen receptors (CARs) are entering advanced phases of clinical trial testing with promising results, the potential implications of use in an allogeneic environment are emerging as an important consideration. This review discusses the use of allogeneic CAR therapy, the potential effects of T-cell receptor (TCR) signaling on CAR T-cell efficacy, and the potential for TCR elimination to generate an off-the-shelf product. RECENT FINDINGS The majority of preclinical and clinical data regarding allogeneic T cells are focused on safety of their use given the potential for graft-versus-host disease (GVHD) mediated by the T-cell receptor expressed with the introduced CAR. Recent clinical trials using donor-derived CAR T cells are using either rigorous patient selection or T-cell selection (such as enrichment for virus-specific T cells). Although no GVHD has been reported, the efficacy of the allogeneic CAR treatment needs to be optimized. Several preclinical models limit allogeneic CAR-driven GVHD by utilizing memory T-cell selection, virus-specific T cells, gene-editing techniques, or suicide gene engineering. SUMMARY In the allogeneic environment, the potential effects of TCR signaling on the efficacy of CAR could affect the clinical responses with the use of donor-derived CAR T cells. Better understanding of the functionality of donor-derived T cells for therapy is essential for the development of universal effector cells for CAR therapy.
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191
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Utilizing cell-based therapeutics to overcome immune evasion in hematologic malignancies. Blood 2016; 127:3350-9. [PMID: 27207792 DOI: 10.1182/blood-2015-12-629089] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2015] [Accepted: 02/29/2016] [Indexed: 12/28/2022] Open
Abstract
Hematologic malignancies provide a suitable testing environment for cell-based immunotherapies, which were pioneered by the development of allogeneic hematopoietic stem cell transplant. All types of cell-based therapies, from donor lymphocyte infusion to dendritic cell vaccines, and adoptive transfer of tumor-specific cytotoxic T cells and natural killer cells, have been clinically translated for hematologic malignancies. The recent success of chimeric antigen receptor-modified T lymphocytes in B-cell malignancies has stimulated the development of this approach toward other hematologic tumors. Similarly, the remarkable activity of checkpoint inhibitors as single agents has created enthusiasm for potential combinations with other cell-based immune therapies. However, tumor cells continuously develop various strategies to evade their immune-mediated elimination. Meanwhile, the recruitment of immunosuppressive cells and the release of inhibitory factors contribute to the development of a tumor microenvironment that hampers the initiation of effective immune responses or blocks the functions of immune effector cells. Understanding how tumor cells escape from immune attack and favor immunosuppression is essential for the improvement of immune cell-based therapies and the development of rational combination approaches.
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192
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Tian G, Courtney AN, Jena B, Heczey A, Liu D, Marinova E, Guo L, Xu X, Torikai H, Mo Q, Dotti G, Cooper LJ, Metelitsa LS. CD62L+ NKT cells have prolonged persistence and antitumor activity in vivo. J Clin Invest 2016; 126:2341-55. [PMID: 27183388 DOI: 10.1172/jci83476] [Citation(s) in RCA: 115] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Accepted: 03/22/2016] [Indexed: 12/25/2022] Open
Abstract
Vα24-invariant natural killer T cells (NKTs) localize to tumors and have inherent antitumor properties, making them attractive chimeric antigen receptor (CAR) carriers for redirected cancer immunotherapy. However, clinical application of CAR-NKTs has been impeded, as mechanisms responsible for NKT expansion and the in vivo persistence of these cells are unknown. Here, we demonstrated that antigen-induced expansion of primary NKTs in vitro associates with the accumulation of a CD62L+ subset and exhaustion of CD62L- cells. Only CD62L+ NKTs survived and proliferated in response to secondary stimulation. When transferred to immune-deficient NSG mice, CD62L+ NKTs persisted 5 times longer than CD62L- NKTs. Moreover, CD62L+ cells transduced with a CD19-specific CAR achieved sustained tumor regression in a B cell lymphoma model. Proliferating CD62L+ cells downregulated or maintained CD62L expression when activated via T cell receptor alone or in combination with costimulatory receptors. We generated HLAnull K562 cell clones that were engineered to express CD1d and costimulatory ligands. Clone B-8-2 (HLAnullCD1dmedCD86high4-1BBLmedOX40Lhigh) induced the highest rates of NKT expansion and CD62L expression. B-8-2-expanded CAR-NKTs exhibited prolonged in vivo persistence and superior therapeutic activities in models of lymphoma and neuroblastoma. Therefore, we have identified CD62L as a marker of a distinct NKT subset endowed with high proliferative potential and have developed artificial antigen-presenting cells that generate CD62L-enriched NKTs for effective cancer immunotherapy.
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MESH Headings
- Animals
- Antigen-Presenting Cells/immunology
- Cell Line, Tumor
- Cell Proliferation
- Cell Survival
- Cells, Cultured
- Cytokines/biosynthesis
- Cytotoxicity, Immunologic
- Humans
- Immunotherapy, Adoptive
- L-Selectin/metabolism
- Lymphocyte Activation
- Lymphoma, B-Cell/immunology
- Lymphoma, B-Cell/therapy
- Mice
- Mice, Inbred NOD
- Mice, Knockout
- Mice, SCID
- Natural Killer T-Cells/classification
- Natural Killer T-Cells/immunology
- Neuroblastoma/immunology
- Neuroblastoma/therapy
- Receptors, Antigen/immunology
- Recombinant Fusion Proteins/immunology
- Xenograft Model Antitumor Assays
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193
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Torikai H, Cooper LJ. Translational Implications for Off-the-shelf Immune Cells Expressing Chimeric Antigen Receptors. Mol Ther 2016; 24:1178-86. [PMID: 27203439 DOI: 10.1038/mt.2016.106] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Accepted: 04/28/2016] [Indexed: 12/14/2022] Open
Abstract
Chimeric antigen receptor (CAR) endows specificity to T-cells independent of human leukocyte antigen (HLA). This enables one immunoreceptor to directly target the same surface antigen on different subsets of tumor cells from multiple HLA-disparate recipients. Most approaches manufacture individualized CAR(+)T-cells from the recipient or HLA-compatible donor, which are revealing promising clinical results. This is the impetus to broaden the number of patients eligible to benefit from adoptive immunotherapy such as to infuse third-party donor derived CAR(+)T-cells. This will overcome issues associated with (i) time to manufacture T-cells, (ii) cost to generate one product for one patient, (iii) inability to generate a product from lymphopenic patients or patient's immune cells fail to complete the manufacturing process, and (iv) heterogeneity of T-cell products produced for or from individual recipients. Establishing a biobank of allogeneic genetically modified immune cells from healthy third-party donors, which are cryopreserved and validated in advance of administration, will facilitate the centralizing manufacturing and widespread distribution of CAR(+)T-cells to multiple points-of-care in a timely manner. To achieve this, it is necessary to engineer an effective strategy to avoid deleterious allogeneic immune responses leading to toxicity and rejection. We review the strategies to establish "off-the-shelf" donor-derived biobanks for human application of CAR(+)T-cells as a drug.
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Affiliation(s)
- Hiroki Torikai
- Division of Pediatrics, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Laurence Jn Cooper
- Division of Pediatrics, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.,Ziopharm Oncology Inc., Boston, Massachusetts, USA
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194
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Kim MG, Kim D, Suh SK, Park Z, Choi MJ, Oh YK. Current status and regulatory perspective of chimeric antigen receptor-modified T cell therapeutics. Arch Pharm Res 2016; 39:437-452. [DOI: 10.1007/s12272-016-0719-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Accepted: 02/04/2016] [Indexed: 10/22/2022]
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195
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Invariant natural killer T cells in hematopoietic stem cell transplantation: killer choice for natural suppression. Bone Marrow Transplant 2016; 51:629-37. [DOI: 10.1038/bmt.2015.335] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2015] [Revised: 11/24/2015] [Accepted: 11/27/2015] [Indexed: 11/08/2022]
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196
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Beavis PA, Slaney CY, Kershaw MH, Gyorki D, Neeson PJ, Darcy PK. Reprogramming the tumor microenvironment to enhance adoptive cellular therapy. Semin Immunol 2016; 28:64-72. [DOI: 10.1016/j.smim.2015.11.003] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Revised: 10/29/2015] [Accepted: 11/04/2015] [Indexed: 12/22/2022]
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197
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Croce M, Corrias MV, Rigo V, Ferrini S. New immunotherapeutic strategies for the treatment of neuroblastoma. Immunotherapy 2016; 7:285-300. [PMID: 25804480 DOI: 10.2217/imt.14.117] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
The prognosis of high-risk neuroblastoma (NB) is still poor, in spite of aggressive multimodal treatment. Recently, adjuvant immunotherapy with anti-GD2 antibodies combined with IL-2 or GM-CSF has been shown to improve survival. Several other immunotherapy strategies proved efficacy in preclinical models of NB, including different types of vaccines, adoptive cell therapies and combined approaches. The remarkable differences in the immunobiology of syngeneic models and human NB may, at least in part, limit the translation of preclinical therapies to a clinical setting. Nonetheless, several preliminary evidences suggest that new antibodies, cancer vaccines and adoptive transfer of lymphocytes, genetically engineered to acquire NB specificity, may result in clinical benefit, and clinical studies are currently ongoing.
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Affiliation(s)
- Michela Croce
- IRCCS-A.O.U. San-Martino-IST Istituto Nazionale per la Ricerca sul Cancro, Biotherapy Unit c/o CBA Torre C2, Largo R. Benzi 10, 16132 Genoa, Italy
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198
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Chimeric antigen receptor-redirected T cells return to the bench. Semin Immunol 2016; 28:3-9. [PMID: 26797495 DOI: 10.1016/j.smim.2015.12.001] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Revised: 12/07/2015] [Accepted: 12/07/2015] [Indexed: 12/29/2022]
Abstract
While the clinical progress of chimeric antigen receptor T cell (CAR-T) immunotherapy has garnered attention to the field, our understanding of the biology of these chimeric molecules is still emerging. Our aim within this review is to bring to light the mechanistic understanding of these multi-modular receptors and how these individual components confer particular properties to CAR-Ts. In addition, we will discuss extrinsic factors that can be manipulated to influence CAR-T performance such as choice of cellular population, culturing conditions and additional modifications that enhance their activity particularly in solid tumors. Finally, we will also consider the emerging toxicity associated with CAR-Ts. By breaking apart the CAR and examining the role of each piece, we can build a better functioning cellular vehicle for optimized treatment of cancer patients.
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199
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Norelli M, Casucci M, Bonini C, Bondanza A. Clinical pharmacology of CAR-T cells: Linking cellular pharmacodynamics to pharmacokinetics and antitumor effects. Biochim Biophys Acta Rev Cancer 2015; 1865:90-100. [PMID: 26748354 DOI: 10.1016/j.bbcan.2015.12.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2015] [Revised: 12/14/2015] [Accepted: 12/18/2015] [Indexed: 12/01/2022]
Abstract
Adoptive cell transfer of T cells genetically modified with tumor-reactive chimeric antigen receptors (CARs) is a rapidly emerging field in oncology, which in preliminary clinical trials has already shown striking antitumor efficacy. Despite these premises, there are still a number of open issues related to CAR-T cells, spanning from their exact mechanism of action (pharmacodynamics), to the factors associated with their in vivo persistence (pharmacokinetics), and, finally, to the relative contribution of each of the two in determining the antitumor effects and accompanying toxicities. In light of the unprecedented curative potential of CAR-T cells and of their predicted wide availability in the next few years, in this review we will summarize the current knowledge on the clinical pharmacology aspects of what is anticipated to be a brand new class of biopharmaceuticals to join the therapeutic armamentarium of cancer doctors.
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Affiliation(s)
- M Norelli
- Innovative Immunotherapies Unit, Division of Immunology, Transplantation and Infectious Diseases, San Raffaele Hospital Scientific Institute, Milano, Italy; Vita-Salute San Raffaele University, Milano, Italy
| | - M Casucci
- Innovative Immunotherapies Unit, Division of Immunology, Transplantation and Infectious Diseases, San Raffaele Hospital Scientific Institute, Milano, Italy
| | - C Bonini
- Vita-Salute San Raffaele University, Milano, Italy; Experimental Hematology Unit, Division of Immunology, Transplantation and Infectious Diseases, San Raffaele Hospital Scientific Institute, Milano, Italy
| | - A Bondanza
- Innovative Immunotherapies Unit, Division of Immunology, Transplantation and Infectious Diseases, San Raffaele Hospital Scientific Institute, Milano, Italy; Vita-Salute San Raffaele University, Milano, Italy.
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200
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Garner EF, Beierle EA. Cancer Stem Cells and Their Interaction with the Tumor Microenvironment in Neuroblastoma. Cancers (Basel) 2015; 8:cancers8010005. [PMID: 26729169 PMCID: PMC4728452 DOI: 10.3390/cancers8010005] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2015] [Revised: 12/16/2015] [Accepted: 12/21/2015] [Indexed: 12/26/2022] Open
Abstract
Neuroblastoma, a solid tumor arising from neural crest cells, accounts for over 15% of all pediatric cancer deaths. The interaction of neuroblastoma cancer-initiating cells with their microenvironment likely plays an integral role in the maintenance of resistant disease and tumor relapse. In this review, we discuss the interaction between neuroblastoma cancer-initiating cells and the elements of the tumor microenvironment and how these interactions may provide novel therapeutic targets for this difficult to treat disease.
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Affiliation(s)
- Evan F Garner
- Department of Surgery, Division of Pediatric Surgery, University of Alabama, Birmingham, AL 35233, USA.
| | - Elizabeth A Beierle
- Department of Surgery, Division of Pediatric Surgery, University of Alabama, Birmingham, AL 35233, USA.
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