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Albelda SM. CAR T cell therapy for patients with solid tumours: key lessons to learn and unlearn. Nat Rev Clin Oncol 2024; 21:47-66. [PMID: 37904019 DOI: 10.1038/s41571-023-00832-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/09/2023] [Indexed: 11/01/2023]
Abstract
Chimeric antigen receptor (CAR) T cells have been approved for use in patients with B cell malignancies or relapsed and/or refractory multiple myeloma, yet efficacy against most solid tumours remains elusive. The limited imaging and biopsy data from clinical trials in this setting continues to hinder understanding, necessitating a reliance on imperfect preclinical models. In this Perspective, I re-evaluate current data and suggest potential pathways towards greater success, drawing lessons from the few successful trials testing CAR T cells in patients with solid tumours and the clinical experience with tumour-infiltrating lymphocytes. The most promising approaches include the use of pluripotent stem cells, co-targeting multiple mechanisms of immune evasion, employing multiple co-stimulatory domains, and CAR ligand-targeting vaccines. An alternative strategy focused on administering multiple doses of short-lived CAR T cells in an attempt to pre-empt exhaustion and maintain a functional effector pool should also be considered.
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Affiliation(s)
- Steven M Albelda
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
- Pulmonary and Critical Care Division, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
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2
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Human Vδ2 T Cells and Their Versatility for Immunotherapeutic Approaches. Cells 2022; 11:cells11223572. [PMID: 36429001 PMCID: PMC9688761 DOI: 10.3390/cells11223572] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 11/06/2022] [Accepted: 11/09/2022] [Indexed: 11/16/2022] Open
Abstract
Gamma/delta (γδ) T cells are innate-like immune effectors that are a critical component linking innate and adaptive immune responses. They are recognized for their contribution to tumor surveillance and fight against infectious diseases. γδ T cells are excellent candidates for cellular immunotherapy due to their unique properties to recognize and destroy tumors or infected cells. They do not depend on the recognition of a single antigen but rather a broad-spectrum of diverse ligands through expression of various cytotoxic receptors. In this manuscript, we review major characteristics of the most abundant circulating γδ subpopulation, Vδ2 T cells, their immunotherapeutic potential, recent advances in expansion protocols, their preclinical and clinical applications for several infectious diseases and malignancies, and how additional modulation could enhance their therapeutic potential.
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3
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Gawne PJ, Man F, Blower PJ, T M de Rosales R. Direct Cell Radiolabeling for in Vivo Cell Tracking with PET and SPECT Imaging. Chem Rev 2022; 122:10266-10318. [PMID: 35549242 PMCID: PMC9185691 DOI: 10.1021/acs.chemrev.1c00767] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The arrival of cell-based therapies is a revolution in medicine. However, its safe clinical application in a rational manner depends on reliable, clinically applicable methods for determining the fate and trafficking of therapeutic cells in vivo using medical imaging techniques─known as in vivo cell tracking. Radionuclide imaging using single photon emission computed tomography (SPECT) or positron emission tomography (PET) has several advantages over other imaging modalities for cell tracking because of its high sensitivity (requiring low amounts of probe per cell for imaging) and whole-body quantitative imaging capability using clinically available scanners. For cell tracking with radionuclides, ex vivo direct cell radiolabeling, that is, radiolabeling cells before their administration, is the simplest and most robust method, allowing labeling of any cell type without the need for genetic modification. This Review covers the development and application of direct cell radiolabeling probes utilizing a variety of chemical approaches: organic and inorganic/coordination (radio)chemistry, nanomaterials, and biochemistry. We describe the key early developments and the most recent advances in the field, identifying advantages and disadvantages of the different approaches and informing future development and choice of methods for clinical and preclinical application.
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Affiliation(s)
- Peter J Gawne
- School of Biomedical Engineering & Imaging Sciences, King's College London, St Thomas' Hospital, London, SE1 7EH, U.K
| | - Francis Man
- School of Biomedical Engineering & Imaging Sciences, King's College London, St Thomas' Hospital, London, SE1 7EH, U.K.,Institute of Pharmaceutical Science, School of Cancer and Pharmaceutical Sciences, King's College London, London, SE1 9NH, U.K
| | - Philip J Blower
- School of Biomedical Engineering & Imaging Sciences, King's College London, St Thomas' Hospital, London, SE1 7EH, U.K
| | - Rafael T M de Rosales
- School of Biomedical Engineering & Imaging Sciences, King's College London, St Thomas' Hospital, London, SE1 7EH, U.K
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4
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Hopkins JR, MacLachlan BJ, Harper S, Sewell AK, Cole DK. Unconventional modes of peptide-HLA-I presentation change the rules of TCR engagement. DISCOVERY IMMUNOLOGY 2022; 1:kyac001. [PMID: 38566908 PMCID: PMC10917088 DOI: 10.1093/discim/kyac001] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 03/18/2022] [Accepted: 04/06/2022] [Indexed: 04/04/2024]
Abstract
The intracellular proteome of virtually every nucleated cell in the body is continuously presented at the cell surface via the human leukocyte antigen class I (HLA-I) antigen processing pathway. This pathway classically involves proteasomal degradation of intracellular proteins into short peptides that can be presented by HLA-I molecules for interrogation by T-cell receptors (TCRs) expressed on the surface of CD8+ T cells. During the initiation of a T-cell immune response, the TCR acts as the T cell's primary sensor, using flexible loops to mould around the surface of the pHLA-I molecule to identify foreign or dysregulated antigens. Recent findings demonstrate that pHLA-I molecules can also be highly flexible and dynamic, altering their shape according to minor polymorphisms between different HLA-I alleles, or interactions with different peptides. These flexible presentation modes have important biological consequences that can, for example, explain why some HLA-I alleles offer greater protection against HIV, or why some cancer vaccine approaches have been ineffective. This review explores how these recent findings redefine the rules for peptide presentation by HLA-I molecules and extend our understanding of the molecular mechanisms that govern TCR-mediated antigen discrimination.
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Affiliation(s)
- Jade R Hopkins
- Division of Infection and Immunity and Systems Immunity Research Institute, Cardiff University School of Medicine, Heath Park, Cardiff, UK
| | - Bruce J MacLachlan
- Division of Infection and Immunity and Systems Immunity Research Institute, Cardiff University School of Medicine, Heath Park, Cardiff, UK
| | | | - Andrew K Sewell
- Division of Infection and Immunity and Systems Immunity Research Institute, Cardiff University School of Medicine, Heath Park, Cardiff, UK
| | - David K Cole
- Division of Infection and Immunity and Systems Immunity Research Institute, Cardiff University School of Medicine, Heath Park, Cardiff, UK
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5
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Kim EE, Youn H, Kang KW. Imaging in Tumor Immunology. Nucl Med Mol Imaging 2021; 55:225-236. [PMID: 34721715 PMCID: PMC8517056 DOI: 10.1007/s13139-021-00706-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 05/31/2021] [Accepted: 06/15/2021] [Indexed: 10/20/2022] Open
Abstract
Recent advances in immune modulation have made impressive progress in cancer immunotherapy. Because dynamic nature of the immune response often makes it difficult to evaluate therapeutic outcomes, innovative imaging technologies have been developed to enable non-invasive visualization of immune cells and tumors in their microenvironment. This review summarizes the current tumor immunology and describes new innovative imaging methods with great potential to obtain non-invasive real-time insights into the complex functions of the immune system and into the management of cancer immunotherapy.
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Affiliation(s)
- Euishin Edmund Kim
- Department of Radiological Sciences, UCI Medical Center, Orange County, CA USA
- Department of Nuclear Medicine, Seoul National University Hospital, Seoul, South Korea
- Department of Molecular Medicine and Biopharmaceutical Sciences, Seoul, South Korea
| | - Hyewon Youn
- Department of Nuclear Medicine, Seoul National University Hospital, Seoul, South Korea
- Laboratory of Molecular Imaging and Therapy, Cancer Research Institute, Seoul National University College of Medicine, Seoul, South Korea
| | - Keon Wook Kang
- Department of Nuclear Medicine, Seoul National University Hospital, Seoul, South Korea
- Laboratory of Molecular Imaging and Therapy, Cancer Research Institute, Seoul National University College of Medicine, Seoul, South Korea
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, South Korea
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6
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Kiraga Ł, Kucharzewska P, Paisey S, Cheda Ł, Domańska A, Rogulski Z, Rygiel TP, Boffi A, Król M. Nuclear imaging for immune cell tracking in vivo – Comparison of various cell labeling methods and their application. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.214008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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7
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Dréno B, Khammari A, Fortun A, Vignard V, Saiagh S, Beauvais T, Jouand N, Bercegay S, Simon S, Lang F, Labarrière N. Phase I/II clinical trial of adoptive cell transfer of sorted specific T cells for metastatic melanoma patients. Cancer Immunol Immunother 2021; 70:3015-3030. [PMID: 34120214 PMCID: PMC8423703 DOI: 10.1007/s00262-021-02961-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 05/06/2021] [Indexed: 02/06/2023]
Abstract
Adoptive cell transfer (ACT) of tumor-specific T lymphocytes represents a relevant therapeutic strategy to treat metastatic melanoma patients. Ideal T-cells should combine tumor specificity and reactivity with survival in vivo, while avoiding autoimmune side effects. Here we report results from a Phase I/II clinical trial (NCT02424916, performed between 2015 and 2018) in which 6 metastatic HLA-A2 melanoma patients received autologous antigen-specific T-cells produced from PBMC, after peptide stimulation in vitro, followed by sorting with HLA-peptide multimers and amplification. Each patient received a combination of Melan-A and MELOE-1 polyclonal specific T-cells, whose specificity and anti-tumor reactivity were checked prior to injection, with subcutaneous IL-2. Transferred T-cells were also characterized in terms of functional avidity, diversity and phenotype and their blood persistence was evaluated. An increase in specific T-cells was detected in the blood of all patients at day 1 and progressively disappeared from day 7 onwards. No serious adverse events occurred after this ACT. Clinically, five patients progressed and one patient experienced a partial response following therapy. Melan-A and MELOE-1 specific T-cells infused to this patient were diverse, of high avidity, with a high proportion of T lymphocytes co-expressing PD-1 and TIGIT but few other exhaustion markers. In conclusion, we demonstrated the feasibility and safety of ACT with multimer-sorted Melan-A and MELOE-1 specific T cells to metastatic melanoma patients. The clinical efficacy of such therapeutic strategy could be further enhanced by the selection of highly reactive T-cells, based on PD-1 and TIGIT co-expression, and a combination with ICI, such as anti-PD-1.
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Affiliation(s)
- Brigitte Dréno
- Dermato-Cancerology Department, CIC 1413, CHU Nantes, Nantes, France.,UTCG, CHU Nantes, Nantes, France.,CRCINA, Inserm, Université de Nantes, 44000, Nantes, France.,LabEx IGO "Immunotherapy, Graft, Oncology", Nantes, France.,CHU Nantes, Nantes, France
| | - Amir Khammari
- Dermato-Cancerology Department, CIC 1413, CHU Nantes, Nantes, France.,CRCINA, Inserm, Université de Nantes, 44000, Nantes, France.,LabEx IGO "Immunotherapy, Graft, Oncology", Nantes, France.,CHU Nantes, Nantes, France
| | - Agnès Fortun
- CRCINA, Inserm, Université de Nantes, 44000, Nantes, France.,LabEx IGO "Immunotherapy, Graft, Oncology", Nantes, France
| | - Virginie Vignard
- CRCINA, Inserm, Université de Nantes, 44000, Nantes, France.,LabEx IGO "Immunotherapy, Graft, Oncology", Nantes, France.,CHU Nantes, Nantes, France
| | | | - Tiffany Beauvais
- CRCINA, Inserm, Université de Nantes, 44000, Nantes, France.,LabEx IGO "Immunotherapy, Graft, Oncology", Nantes, France.,CHU Nantes, Nantes, France
| | - Nicolas Jouand
- LabEx IGO "Immunotherapy, Graft, Oncology", Nantes, France.,SFR Santé, CNRS, Inserm, Inserm UMS 016, CNRS UMS 3556, Université de Nantes, CHU Nantes, 44000, Nantes, France
| | | | - Sylvain Simon
- CRCINA, Inserm, Université de Nantes, 44000, Nantes, France.,LabEx IGO "Immunotherapy, Graft, Oncology", Nantes, France
| | - François Lang
- CRCINA, Inserm, Université de Nantes, 44000, Nantes, France. .,LabEx IGO "Immunotherapy, Graft, Oncology", Nantes, France.
| | - Nathalie Labarrière
- CRCINA, Inserm, Université de Nantes, 44000, Nantes, France. .,LabEx IGO "Immunotherapy, Graft, Oncology", Nantes, France. .,SFR Santé, CNRS, Inserm, Inserm UMS 016, CNRS UMS 3556, Université de Nantes, CHU Nantes, 44000, Nantes, France.
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8
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Liberini V, Laudicella R, Capozza M, Huellner MW, Burger IA, Baldari S, Terreno E, Deandreis D. The Future of Cancer Diagnosis, Treatment and Surveillance: A Systemic Review on Immunotherapy and Immuno-PET Radiotracers. Molecules 2021; 26:2201. [PMID: 33920423 PMCID: PMC8069316 DOI: 10.3390/molecules26082201] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 04/07/2021] [Accepted: 04/09/2021] [Indexed: 12/12/2022] Open
Abstract
Immunotherapy is an effective therapeutic option for several cancers. In the last years, the introduction of checkpoint inhibitors (ICIs) has shifted the therapeutic landscape in oncology and improved patient prognosis in a variety of neoplastic diseases. However, to date, the selection of the best patients eligible for these therapies, as well as the response assessment is still challenging. Patients are mainly stratified using an immunohistochemical analysis of the expression of antigens on biopsy specimens, such as PD-L1 and PD-1, on tumor cells, on peritumoral immune cells and/or in the tumor microenvironment (TME). Recently, the use and development of imaging biomarkers able to assess in-vivo cancer-related processes are becoming more important. Today, positron emission tomography (PET) with 2-deoxy-2-[18F]fluoro-D-glucose ([18F]FDG) is used routinely to evaluate tumor metabolism, and also to predict and monitor response to immunotherapy. Although highly sensitive, FDG-PET in general is rather unspecific. Novel radiopharmaceuticals (immuno-PET radiotracers), able to identify specific immune system targets, are under investigation in pre-clinical and clinical settings to better highlight all the mechanisms involved in immunotherapy. In this review, we will provide an overview of the main new immuno-PET radiotracers in development. We will also review the main players (immune cells, tumor cells and molecular targets) involved in immunotherapy. Furthermore, we report current applications and the evidence of using [18F]FDG PET in immunotherapy, including the use of artificial intelligence (AI).
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MESH Headings
- Antineoplastic Agents, Immunological/therapeutic use
- Artificial Intelligence
- B7-H1 Antigen/genetics
- B7-H1 Antigen/immunology
- Fluorodeoxyglucose F18/administration & dosage
- Fluorodeoxyglucose F18/chemistry
- Gene Expression Regulation, Neoplastic/drug effects
- Humans
- Immune Checkpoint Inhibitors/chemistry
- Immune Checkpoint Inhibitors/metabolism
- Immunotherapy, Adoptive/methods
- Killer Cells, Natural/drug effects
- Killer Cells, Natural/immunology
- Killer Cells, Natural/pathology
- Neoplasms/diagnostic imaging
- Neoplasms/genetics
- Neoplasms/immunology
- Neoplasms/therapy
- Positron-Emission Tomography/methods
- Programmed Cell Death 1 Receptor/genetics
- Programmed Cell Death 1 Receptor/immunology
- Radiopharmaceuticals/administration & dosage
- Radiopharmaceuticals/chemical synthesis
- Signal Transduction
- T-Lymphocytes, Cytotoxic/drug effects
- T-Lymphocytes, Cytotoxic/immunology
- T-Lymphocytes, Cytotoxic/pathology
- T-Lymphocytes, Regulatory/drug effects
- T-Lymphocytes, Regulatory/immunology
- T-Lymphocytes, Regulatory/pathology
- Tumor Microenvironment/drug effects
- Tumor Microenvironment/genetics
- Tumor Microenvironment/immunology
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Affiliation(s)
- Virginia Liberini
- Department of Medical Science, Division of Nuclear Medicine, University of Torino, 10126 Torino, Italy;
| | - Riccardo Laudicella
- Department of Biomedical and Dental Sciences and of Morpho-Functional Imaging, Nuclear Medicine Unit, University of Messina, 98125 Messina, Italy; (R.L.); (S.B.)
- Department of Nuclear Medicine, University Hospital Zurich, University of Zurich, 8006 Zurich, Switzerland; (M.W.H.); (I.A.B.)
| | - Martina Capozza
- Molecular & Preclinical Imaging Centers, Department of Molecular Biotechnology and Health Sciences, University of Torino, Via Nizza 52, 10126 Torino, Italy; (M.C.); (E.T.)
| | - Martin W. Huellner
- Department of Nuclear Medicine, University Hospital Zurich, University of Zurich, 8006 Zurich, Switzerland; (M.W.H.); (I.A.B.)
| | - Irene A. Burger
- Department of Nuclear Medicine, University Hospital Zurich, University of Zurich, 8006 Zurich, Switzerland; (M.W.H.); (I.A.B.)
- Department of Nuclear Medicine, Kantonsspital Baden, 5004 Baden, Switzerland
| | - Sergio Baldari
- Department of Biomedical and Dental Sciences and of Morpho-Functional Imaging, Nuclear Medicine Unit, University of Messina, 98125 Messina, Italy; (R.L.); (S.B.)
| | - Enzo Terreno
- Molecular & Preclinical Imaging Centers, Department of Molecular Biotechnology and Health Sciences, University of Torino, Via Nizza 52, 10126 Torino, Italy; (M.C.); (E.T.)
| | - Désirée Deandreis
- Department of Medical Science, Division of Nuclear Medicine, University of Torino, 10126 Torino, Italy;
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9
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Stringhini M, Spadafora I, Catalano M, Mock J, Probst P, Spörri R, Neri D. Cancer therapy in mice using a pure population of CD8 + T cell specific to the AH1 tumor rejection antigen. Cancer Immunol Immunother 2021; 70:3183-3197. [PMID: 33796916 PMCID: PMC8505334 DOI: 10.1007/s00262-021-02912-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Accepted: 03/08/2021] [Indexed: 11/25/2022]
Abstract
There is a growing interest in the use of patient-derived T cells for the treatment of various types of malignancies. The expansion of a polyclonal and polyspecific population of tumor-reactive T cells, with a subsequent infusion into the same donor patient, has been implemented, sometimes with positive results. It is not known, however, whether a set of T cells with a single antigen specificity may be sufficient for an effective therapy. To gain more insights in this matter, we used naturally occurring T cells recognizing a retroviral peptide (AH1), which is endogenous in many tumor cell lines of BALB/c origin and which serves as potent tumor rejection antigen. We were able to isolate and expand this rare population of T cells to numbers suitable for therapy experiments in mice (i.e., up to 30 × 106 cells/mouse). After the expansion process, T cells efficiently killed antigen-positive tumor cells in vitro and demonstrated tumor growth inhibition in two syngeneic murine models of cancer. However, AH1-specific T cells failed to induce complete regressions of established tumors. The incomplete activity was associated with a failure of injected T cells to survive in vivo, as only a very limited amount of T cells was found in tumor or secondary lymphoid organs 72 h after injection. These data suggest that future therapeutic strategies based on autologous T cells may require the potentiation of tumor-homing and survival properties of cancer-specific T cells.
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Affiliation(s)
- Marco Stringhini
- Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology (ETH Zürich), Vladimir-Prelog-Weg 4, 8093, Zurich, Switzerland
| | - Ilaria Spadafora
- Department of Biology, Swiss Federal Institute of Technology (ETH Zürich), Vladimir-Prelog-Weg 4, 8093, Zurich, Switzerland
| | - Marco Catalano
- Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology (ETH Zürich), Vladimir-Prelog-Weg 4, 8093, Zurich, Switzerland
| | - Jacqueline Mock
- Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology (ETH Zürich), Vladimir-Prelog-Weg 4, 8093, Zurich, Switzerland
| | - Philipp Probst
- Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology (ETH Zürich), Vladimir-Prelog-Weg 4, 8093, Zurich, Switzerland
| | - Roman Spörri
- Department of Biology, Swiss Federal Institute of Technology (ETH Zürich), Vladimir-Prelog-Weg 4, 8093, Zurich, Switzerland
| | - Dario Neri
- Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology (ETH Zürich), Vladimir-Prelog-Weg 4, 8093, Zurich, Switzerland.
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10
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Isser A, Livingston NK, Schneck JP. Biomaterials to enhance antigen-specific T cell expansion for cancer immunotherapy. Biomaterials 2021; 268:120584. [PMID: 33338931 PMCID: PMC7856270 DOI: 10.1016/j.biomaterials.2020.120584] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 11/22/2020] [Accepted: 11/26/2020] [Indexed: 02/07/2023]
Abstract
T cells are often referred to as the 'guided missiles' of our immune system because of their capacity to traffic to and accumulate at sites of infection or disease, destroy infected or mutated cells with high specificity and sensitivity, initiate systemic immune responses, sterilize infections, and produce long-lasting memory. As a result, they are a common target for a range of cancer immunotherapies. However, the myriad of challenges of expanding large numbers of T cells specific to each patient's unique tumor antigens has led researchers to develop alternative, more scalable approaches. Biomaterial platforms for expansion of antigen-specific T cells offer a path forward towards broadscale translation of personalized immunotherapies by providing "off-the-shelf", yet modular approaches to customize the phenotype, function, and specificity of T cell responses. In this review, we discuss design considerations and progress made in the development of ex vivo and in vivo technologies for activating antigen-specific T cells, including artificial antigen presenting cells, T cell stimulating scaffolds, biomaterials-based vaccines, and artificial lymphoid organs. Ultimate translation of these platforms as a part of cancer immunotherapy regimens hinges on an in-depth understanding of T cell biology and cell-material interactions.
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Affiliation(s)
- Ariel Isser
- Department of Biomedical Engineering, School of Medicine, USA; Institute for Cell Engineering, School of Medicine, USA
| | - Natalie K Livingston
- Department of Biomedical Engineering, School of Medicine, USA; Institute for Cell Engineering, School of Medicine, USA; Translational Tissue Engineering Center, USA; Institute for Nanobiotechnology, USA
| | - Jonathan P Schneck
- Institute for Cell Engineering, School of Medicine, USA; Department of Pathology, School of Medicine, USA; Institute for Nanobiotechnology, USA; Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD, USA.
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11
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McCarthy CE, White JM, Viola NT, Gibson HM. In vivo Imaging Technologies to Monitor the Immune System. Front Immunol 2020; 11:1067. [PMID: 32582173 PMCID: PMC7280489 DOI: 10.3389/fimmu.2020.01067] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Accepted: 05/04/2020] [Indexed: 12/13/2022] Open
Abstract
The past two decades have brought impressive advancements in immune modulation, particularly with the advent of both cancer immunotherapy and biologic therapeutics for inflammatory conditions. However, the dynamic nature of the immune response often complicates the assessment of therapeutic outcomes. Innovative imaging technologies are designed to bridge this gap and allow non-invasive visualization of immune cell presence and/or function in real time. A variety of anatomical and molecular imaging modalities have been applied for this purpose, with each option providing specific advantages and drawbacks. Anatomical methods including magnetic resonance imaging (MRI), computed tomography (CT), and ultrasound provide sharp tissue resolution, which can be further enhanced with contrast agents, including super paramagnetic ions (for MRI) or nanobubbles (for ultrasound). Conjugation of the contrast material to an antibody allows for specific targeting of a cell population or protein of interest. Protein platforms including antibodies, cytokines, and receptor ligands are also popular choices as molecular imaging agents for positron emission tomography (PET), single-photon emission computerized tomography (SPECT), scintigraphy, and optical imaging. These tracers are tagged with either a radioisotope or fluorescent molecule for detection of the target. During the design process for immune-monitoring imaging tracers, it is important to consider any potential downstream physiologic impact. Antibodies may deplete the target cell population, trigger or inhibit receptor signaling, or neutralize the normal function(s) of soluble proteins. Alternatively, the use of cytokines or other ligands as tracers may stimulate their respective signaling pathways, even in low concentrations. As in vivo immune imaging is still in its infancy, this review aims to describe the modalities and immunologic targets that have thus far been explored, with the goal of promoting and guiding the future development and application of novel imaging technologies.
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Affiliation(s)
- Claire E McCarthy
- Department of Oncology, Karmanos Cancer Institute, Wayne State University, Detroit, MI, United States
| | - Jordan M White
- Department of Oncology, Karmanos Cancer Institute, Wayne State University, Detroit, MI, United States
| | - Nerissa T Viola
- Department of Oncology, Karmanos Cancer Institute, Wayne State University, Detroit, MI, United States
| | - Heather M Gibson
- Department of Oncology, Karmanos Cancer Institute, Wayne State University, Detroit, MI, United States
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12
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Haug T, Aigner M, Peuser MM, Strobl CD, Hildner K, Mougiakakos D, Bruns H, Mackensen A, Völkl S. Human Double-Negative Regulatory T-Cells Induce a Metabolic and Functional Switch in Effector T-Cells by Suppressing mTOR Activity. Front Immunol 2019; 10:883. [PMID: 31105702 PMCID: PMC6498403 DOI: 10.3389/fimmu.2019.00883] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Accepted: 04/05/2019] [Indexed: 01/07/2023] Open
Abstract
The recently discovered population of TCRαβ+ CD4–/CD8– (double-negative, DN) T-cells are highly potent suppressor cells in mice and humans. In preclinical transplantation models, adoptive transfer of DN T-cells specifically inhibits alloreactive T-cells and prevents transplant rejection or graft-vs.-host disease (GvHD). Interestingly, clinical studies in patients who underwent allogeneic stem cell transplantation reveal an inverse correlation between the frequency of circulating DN T-cells and the severity of GvHD, suggesting a therapeutic potential of human DN T-cells. However, their exact mode of action has not been elucidated yet. Investigating the impact of DN T-cells on conventional T-cells, we found that human DN T-cells selectively inhibit mTOR signaling in CD4 T-cells. Given that mTOR is a critical regulator of cellular metabolism, we further determined the impact of DN T-cells on the metabolic framework of T-cells. Intriguingly, DN T-cells diminished expression of glucose transporters and glucose uptake, whereas fatty acid uptake was not modified, indicating that DN T-cells prevent metabolic adaptation of CD4 T-cells upon activation (i.e., glycolytic switch) thereby contributing to their suppression. Further analyses demonstrated that CD4 T-cells also do not upregulate homing receptors associated with inflammatory processes. In contrast, expression of central memory-cell associated cell surface markers and transcription factors were increased by DN T-cells. Moreover, CD4 T-cells failed to produce inflammatory cytokines after co-culture with DN T-cells, whereas IL-2 secretion was enhanced. Taken together DN T-cells impair metabolic reprogramming of conventional CD4 T-cells by abrogating mTOR signaling, thereby modulating CD4 T-cell functionality. These results uncover a new mechanism of DN T-cell-mediated suppression, pointing out that DN T-cells could serve as cell-based therapy to limit alloreactive immune response.
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Affiliation(s)
- Tabea Haug
- Department of Internal Medicine 5, Hematology and Oncology, University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Michael Aigner
- Department of Internal Medicine 5, Hematology and Oncology, University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Moritz M Peuser
- Department of Internal Medicine 5, Hematology and Oncology, University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Carolin D Strobl
- Department of Internal Medicine 5, Hematology and Oncology, University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Kai Hildner
- Department of Internal Medicine 1, University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Dimitrios Mougiakakos
- Department of Internal Medicine 5, Hematology and Oncology, University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Heiko Bruns
- Department of Internal Medicine 5, Hematology and Oncology, University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Andreas Mackensen
- Department of Internal Medicine 5, Hematology and Oncology, University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Simon Völkl
- Department of Internal Medicine 5, Hematology and Oncology, University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
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13
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Man F, Lim L, Volpe A, Gabizon A, Shmeeda H, Draper B, Parente-Pereira AC, Maher J, Blower PJ, Fruhwirth GO, T M de Rosales R. In Vivo PET Tracking of 89Zr-Labeled Vγ9Vδ2 T Cells to Mouse Xenograft Breast Tumors Activated with Liposomal Alendronate. Mol Ther 2019; 27:219-229. [PMID: 30429045 PMCID: PMC6318719 DOI: 10.1016/j.ymthe.2018.10.006] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Revised: 10/03/2018] [Accepted: 10/08/2018] [Indexed: 12/19/2022] Open
Abstract
Gammadelta T (γδ-T) cells are strong candidates for adoptive immunotherapy in oncology due to their cytotoxicity, ease of expansion, and favorable safety profile. The development of γδ-T cell therapies would benefit from non-invasive cell-tracking methods and increased targeting to tumor sites. Here we report the use of [89Zr]Zr(oxinate)4 to track Vγ9Vδ2 T cells in vivo by positron emission tomography (PET). In vitro, we showed that 89Zr-labeled Vγ9Vδ2 T cells retained their viability, proliferative capacity, and anti-cancer cytotoxicity with minimal DNA damage for amounts of 89Zr ≤20 mBq/cell. Using a mouse xenograft model of human breast cancer, 89Zr-labeled γδ-T cells were tracked by PET imaging over 1 week. To increase tumor antigen expression, the mice were pre-treated with PEGylated liposomal alendronate. Liposomal alendronate, but not placebo liposomes or non-liposomal alendronate, significantly increased the 89Zr signal in the tumors, suggesting increased homing of γδ-T cells to the tumors. γδ-T cell trafficking to tumors occurred within 48 hr of administration. The presence of γδ-T cells in tumors, liver, and spleen was confirmed by histology. Our results demonstrate the suitability of [89Zr]Zr(oxinate)4 as a cell-labeling agent for therapeutic T cells and the potential benefits of liposomal bisphosphonate treatment before γδ-T cell administration.
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Affiliation(s)
- Francis Man
- School of Biomedical Engineering & Imaging Sciences, King's College London, St Thomas' Hospital, London SE1 7EH, UK
| | - Lindsay Lim
- School of Biomedical Engineering & Imaging Sciences, King's College London, St Thomas' Hospital, London SE1 7EH, UK
| | - Alessia Volpe
- School of Biomedical Engineering & Imaging Sciences, King's College London, St Thomas' Hospital, London SE1 7EH, UK
| | - Alberto Gabizon
- Oncology Institute, Shaare Zedek Medical Center and Hebrew University-School of Medicine, Jerusalem 9103102, Israel
| | - Hilary Shmeeda
- Oncology Institute, Shaare Zedek Medical Center and Hebrew University-School of Medicine, Jerusalem 9103102, Israel
| | - Benjamin Draper
- School of Cancer and Pharmaceutical Sciences, King's College London, Guy's Hospital, London SE1 9RT, UK
| | - Ana C Parente-Pereira
- School of Cancer and Pharmaceutical Sciences, King's College London, Guy's Hospital, London SE1 9RT, UK
| | - John Maher
- School of Cancer and Pharmaceutical Sciences, King's College London, Guy's Hospital, London SE1 9RT, UK
| | - Philip J Blower
- School of Biomedical Engineering & Imaging Sciences, King's College London, St Thomas' Hospital, London SE1 7EH, UK
| | - Gilbert O Fruhwirth
- School of Biomedical Engineering & Imaging Sciences, King's College London, St Thomas' Hospital, London SE1 7EH, UK
| | - Rafael T M de Rosales
- School of Biomedical Engineering & Imaging Sciences, King's College London, St Thomas' Hospital, London SE1 7EH, UK.
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14
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Schlake T, Thess A, Thran M, Jordan I. mRNA as novel technology for passive immunotherapy. Cell Mol Life Sci 2019; 76:301-328. [PMID: 30334070 PMCID: PMC6339677 DOI: 10.1007/s00018-018-2935-4] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Revised: 09/13/2018] [Accepted: 10/03/2018] [Indexed: 12/17/2022]
Abstract
While active immunization elicits a lasting immune response by the body, passive immunotherapy transiently equips the body with exogenously generated immunological effectors in the form of either target-specific antibodies or lymphocytes functionalized with target-specific receptors. In either case, administration or expression of recombinant proteins plays a fundamental role. mRNA prepared by in vitro transcription (IVT) is increasingly appreciated as a drug substance for delivery of recombinant proteins. With its biological role as transient carrier of genetic information translated into protein in the cytoplasm, therapeutic application of mRNA combines several advantages. For example, compared to transfected DNA, mRNA harbors inherent safety features. It is not associated with the risk of inducing genomic changes and potential adverse effects are only temporary due to its transient nature. Compared to the administration of recombinant proteins produced in bioreactors, mRNA allows supplying proteins that are difficult to manufacture and offers extended pharmacokinetics for short-lived proteins. Based on great progress in understanding and manipulating mRNA properties, efficacy data in various models have now demonstrated that IVT mRNA constitutes a potent and flexible platform technology. Starting with an introduction into passive immunotherapy, this review summarizes the current status of IVT mRNA technology and its application to such immunological interventions.
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Affiliation(s)
- Thomas Schlake
- CureVac AG, Paul-Ehrlich-Str. 15, 72076, Tübingen, Germany.
| | - Andreas Thess
- CureVac AG, Paul-Ehrlich-Str. 15, 72076, Tübingen, Germany
| | - Moritz Thran
- CureVac AG, Paul-Ehrlich-Str. 15, 72076, Tübingen, Germany
| | - Ingo Jordan
- CureVac AG, Paul-Ehrlich-Str. 15, 72076, Tübingen, Germany
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15
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Gunassekaran GR, Hong CM, Vadevoo SMP, Chi L, Guruprasath P, Ahn BC, Kim HJ, Kang TH, Lee B. Non-genetic engineering of cytotoxic T cells to target IL-4 receptor enhances tumor homing and therapeutic efficacy against melanoma. Biomaterials 2018; 159:161-173. [PMID: 29329051 DOI: 10.1016/j.biomaterials.2018.01.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Revised: 01/03/2018] [Accepted: 01/06/2018] [Indexed: 12/21/2022]
Abstract
Adoptive transfer of cytotoxic T lymphocytes (CTLs) has been used as an immunotherapy in melanoma. However, the tumor homing and therapeutic efficacy of transferred CTLs against melanoma remain unsatisfactory. Interleukin-4 receptor (IL-4R) is commonly up-regulated in tumors including melanoma. Here, we studied whether IL-4R-targeted CTLs exhibit enhanced tumor homing and therapeutic efficacy against melanoma. CTLs isolated from mice bearing melanomas were non-genetically engineered with IL4RPep-1, an IL-4R-binding peptide, using a membrane anchor composed of dioleylphosphatidylethanolamine. Compared to control CTLs, IL-4R-targeted CTLs showed higher binding to melanoma cells and in vivo tumor homing. They also exerted a more rapid and robust effector response, including increased cytokine secretion and cytotoxicity against melanoma cells and enhanced reprogramming of M2-type macrophages to M1-type macrophages. Moreover, IL-4R-targeted CTLs efficiently inhibited melanoma growth and reversed the immunosuppressive tumor microenvironment. These results suggest that non-genetically engineered CTLs targeting IL-4R have potential as an adoptive T cell therapy against melanoma.
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Affiliation(s)
- Gowri Rangaswamy Gunassekaran
- Department of Biochemistry and Cell Biology, Department of Biomedical Science, CMRI, School Medicine, Kyungpook National University, 680 Gukchaebosang-ro, Jung-gu, Daegu 41944, Republic of Korea
| | - Chae-Moon Hong
- Department of Nuclear Medicine, School Medicine, Kyungpook National University, 680 Gukchaebosang-ro, Jung-gu, Daegu 41944, Republic of Korea
| | - Sri Murugan Poongkavithai Vadevoo
- Department of Biochemistry and Cell Biology, Department of Biomedical Science, CMRI, School Medicine, Kyungpook National University, 680 Gukchaebosang-ro, Jung-gu, Daegu 41944, Republic of Korea
| | - Lianhua Chi
- Department of Biochemistry and Cell Biology, Department of Biomedical Science, CMRI, School Medicine, Kyungpook National University, 680 Gukchaebosang-ro, Jung-gu, Daegu 41944, Republic of Korea
| | - Padmanaban Guruprasath
- Department of Biochemistry and Cell Biology, Department of Biomedical Science, CMRI, School Medicine, Kyungpook National University, 680 Gukchaebosang-ro, Jung-gu, Daegu 41944, Republic of Korea
| | - Byung-Cheol Ahn
- Department of Nuclear Medicine, School Medicine, Kyungpook National University, 680 Gukchaebosang-ro, Jung-gu, Daegu 41944, Republic of Korea
| | - Ha-Jeong Kim
- Department of Physiology, School Medicine, Kyungpook National University, 680 Gukchaebosang-ro, Jung-gu, Daegu 41944, Republic of Korea
| | - Tae Heung Kang
- Department of Immunology, School of Medicine, Konkuk University, 268 Chungwon-daero, Chungju, Chungcheongbuk-do 27478, Republic of Korea
| | - Byungheon Lee
- Department of Biochemistry and Cell Biology, Department of Biomedical Science, CMRI, School Medicine, Kyungpook National University, 680 Gukchaebosang-ro, Jung-gu, Daegu 41944, Republic of Korea.
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16
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Hijikata Y, Okazaki T, Tanaka Y, Murahashi M, Yamada Y, Yamada K, Takahashi A, Inoue H, Kishimoto J, Nakanishi Y, Oda Y, Nakamura Y, Tani K. A phase I clinical trial of RNF43 peptide-related immune cell therapy combined with low-dose cyclophosphamide in patients with advanced solid tumors. PLoS One 2018; 13:e0187878. [PMID: 29293510 PMCID: PMC5749706 DOI: 10.1371/journal.pone.0187878] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Accepted: 10/26/2017] [Indexed: 12/22/2022] Open
Abstract
The objective of this study was to investigate the safety and the tolerability of combined cellular immunotherapy with low-dose cyclophosphamide (CPA) in patients with advanced solid tumors. This study targeted a novel tumor-associated antigen, ring finger protein 43 (RNF43). Eligible patients were resistant to standard therapy, HLA-A*24:02- or A*02:01-positive and exhibiting high RNF43 expression in their tumor cells. They were administered 300 mg/m2 CPA followed by autologous lymphocytes, preliminarily cultured with autologous RNF43 peptide-pulsed dendritic cells (DCs), RNF43 peptide-pulsed DCs and systemic low dose interleukin-2. The primary endpoint was safety whereas the secondary endpoint was immunological and clinical response to treatment. Ten patients, in total, were enrolled in this trial. Primarily, no adverse events greater than Grade 3 were observed. Six out of 10 patients showed stable disease (SD) on day 49, while 4 other patients showed progressive disease. In addition, one patient with SD exhibited a partial response after the second trial. The frequency of regulatory T cells (Tregs) in patients with SD significantly decreased after CPA administration. The ratio of interferon-γ-producing, tumor-reactive CD8+ T cells increased with time in patients with SD. We successfully showed that the combination of immune cell therapy and CPA was safe, might induce tumor-specific immune responses and clinical efficacy, and was accompanied by a decreased ratio of Tregs in patients with RNF43-positive advanced solid tumors.
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Affiliation(s)
- Yasuki Hijikata
- Department of Advanced Cell and Molecular Therapy, Kyushu University Hospital, Fukuoka, Japan
| | - Toshihiko Okazaki
- ARO Advanced Medical Center, Kyushu University Hospital, Fukuoka, Japan
| | - Yoshihiro Tanaka
- ARO Advanced Medical Center, Kyushu University Hospital, Fukuoka, Japan
| | - Mutsunori Murahashi
- Department of Advanced Cell and Molecular Therapy, Kyushu University Hospital, Fukuoka, Japan
| | - Yuichi Yamada
- Department of Anatomic Pathology, Pathological Sciences, Kyushu University, Fukuoka, Japan
| | - Kazunari Yamada
- Department of Advanced Cell and Molecular Therapy, Kyushu University Hospital, Fukuoka, Japan
| | - Atsushi Takahashi
- Department of Advanced Cell and Molecular Therapy, Kyushu University Hospital, Fukuoka, Japan
| | - Hiroyuki Inoue
- Department of Advanced Cell and Molecular Therapy, Kyushu University Hospital, Fukuoka, Japan
| | - Junji Kishimoto
- ARO Advanced Medical Center, Kyushu University Hospital, Fukuoka, Japan
| | - Yoichi Nakanishi
- Research Institute of Diseases of Chest, Kyushu University, Fukuoka, Japan
| | - Yoshinao Oda
- Department of Anatomic Pathology, Pathological Sciences, Kyushu University, Fukuoka, Japan
| | - Yusuke Nakamura
- Human genome center, Institute of medical science, University of Tokyo, Tokyo, Japan
| | - Kenzaburo Tani
- Department of Advanced Cell and Molecular Therapy, Kyushu University Hospital, Fukuoka, Japan
- Project Division of ALA Advanced Medical Research, Advanced Medical Science of Internal Medicine, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
- * E-mail:
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17
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Zhang Q, Wei W, Wang P, Zuo L, Li F, Xu J, Xi X, Gao X, Ma G, Xie HY. Biomimetic Magnetosomes as Versatile Artificial Antigen-Presenting Cells to Potentiate T-Cell-Based Anticancer Therapy. ACS NANO 2017; 11:10724-10732. [PMID: 28921946 DOI: 10.1021/acsnano.7b04955] [Citation(s) in RCA: 137] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Adoptive T-cell transfer for cancer therapy relies on both effective ex vivo T-cell expansion and in vivo targeting performance. One promising but challenging method for accomplishing this purpose is to construct multifunctional artificial antigen-presenting cells (aAPCs). We herein developed biomimetic magnetosomes as versatile aAPCs, wherein magnetic nanoclusters were coated with azide-engineered leucocyte membranes and then decorated with T-cell stimuli through copper-free click chemistry. These nano aAPCs not only exhibited high performance for antigen-specific cytotoxic T-cell (CTL) expansion and stimulation but also visually and effectively guided reinfused CTLs to tumor tissues through magnetic resonance imaging and magnetic control. The persisting T cells were able to delay tumor growth in a murine lymphoma model, while the systemic toxicity was not notable. These results together demonstrated the excellent potential of this "one-but-all" aAPC platform for T-cell-based anticancer immunotherapy.
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Affiliation(s)
- Qianmei Zhang
- School of Life Science, Beijing Institute of Technology , Beijing 100081, P. R. China
| | - Wei Wei
- National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences , Beijing 100190, P. R. China
| | - Peilin Wang
- School of Life Science, Beijing Institute of Technology , Beijing 100081, P. R. China
| | - Liping Zuo
- School of Life Science, Beijing Institute of Technology , Beijing 100081, P. R. China
| | - Feng Li
- School of Life Science, Beijing Institute of Technology , Beijing 100081, P. R. China
| | - Jin Xu
- School of Life Science, Beijing Institute of Technology , Beijing 100081, P. R. China
| | - Xiaobo Xi
- National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences , Beijing 100190, P. R. China
| | - Xiaoyong Gao
- National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences , Beijing 100190, P. R. China
| | - Guanghui Ma
- National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences , Beijing 100190, P. R. China
| | - Hai-Yan Xie
- School of Life Science, Beijing Institute of Technology , Beijing 100081, P. R. China
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18
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Bluestone JA, Buckner JH, Fitch M, Gitelman SE, Gupta S, Hellerstein MK, Herold KC, Lares A, Lee MR, Li K, Liu W, Long SA, Masiello LM, Nguyen V, Putnam AL, Rieck M, Sayre PH, Tang Q. Type 1 diabetes immunotherapy using polyclonal regulatory T cells. Sci Transl Med 2016; 7:315ra189. [PMID: 26606968 DOI: 10.1126/scitranslmed.aad4134] [Citation(s) in RCA: 721] [Impact Index Per Article: 90.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Type 1 diabetes (T1D) is an autoimmune disease that occurs in genetically susceptible individuals. Regulatory T cells (Tregs) have been shown to be defective in the autoimmune disease setting. Thus, efforts to repair or replace Tregs in T1D may reverse autoimmunity and protect the remaining insulin-producing β cells. On the basis of this premise, a robust technique has been developed to isolate and expand Tregs from patients with T1D. The expanded Tregs retained their T cell receptor diversity and demonstrated enhanced functional activity. We report on a phase 1 trial to assess safety of Treg adoptive immunotherapy in T1D. Fourteen adult subjects with T1D, in four dosing cohorts, received ex vivo-expanded autologous CD4(+)CD127(lo/-)CD25(+) polyclonal Tregs (0.05 × 10(8) to 26 × 10(8) cells). A subset of the adoptively transferred Tregs was long-lived, with up to 25% of the peak level remaining in the circulation at 1 year after transfer. Immune studies showed transient increases in Tregs in recipients and retained a broad Treg FOXP3(+)CD4(+)CD25(hi)CD127(lo) phenotype long-term. There were no infusion reactions or cell therapy-related high-grade adverse events. C-peptide levels persisted out to 2+ years after transfer in several individuals. These results support the development of a phase 2 trial to test efficacy of the Treg therapy.
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Affiliation(s)
- Jeffrey A Bluestone
- Diabetes Center, University of California, San Francisco, San Francisco, CA 94143, USA.
| | - Jane H Buckner
- Translational Research Program, Benaroya Research Institute at Virginia Mason, Seattle, WA 98101, USA
| | - Mark Fitch
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Stephen E Gitelman
- Department of Pediatrics, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Shipra Gupta
- Translational Research Program, Benaroya Research Institute at Virginia Mason, Seattle, WA 98101, USA
| | - Marc K Hellerstein
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Kevan C Herold
- Departments of Immunobiology and Internal Medicine, Yale University School of Medicine, New Haven, CT 06520, USA
| | - Angela Lares
- Diabetes Center, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Michael R Lee
- Diabetes Center, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Kelvin Li
- KineMed Inc., Emeryville, CA 94608, USA
| | - Weihong Liu
- Diabetes Center, University of California, San Francisco, San Francisco, CA 94143, USA
| | - S Alice Long
- Translational Research Program, Benaroya Research Institute at Virginia Mason, Seattle, WA 98101, USA
| | - Lisa M Masiello
- Diabetes Center, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Vinh Nguyen
- Department of Surgery, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Amy L Putnam
- Diabetes Center, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Mary Rieck
- Diabetes Center, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Peter H Sayre
- Division of Hematology-Oncology, Department of Medicine, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Qizhi Tang
- Department of Surgery, University of California, San Francisco, San Francisco, CA 94143, USA
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19
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Abstract
Adoptive cellular therapy represents a robust means of augmenting the tumor-reactive effector population in patients with cancer by adoptive transfer of ex vivo expanded T cells. Three approaches have been developed to achieve this goal: the use of tumor-infiltrating lymphocytes or tumor-infiltrating lymphocytess extracted from patient biopsy material; the redirected engineering of lymphocytes using vectors expressing a chimeric antigen receptor and T-cell receptor; and third, the isolation and expansion of often low-frequency endogenous T cells (ETCs) reactive to tumor antigens from the peripheral blood of patients. This last form of adoptive transfer of T cells, known as ETC therapy, requires specialized methods to isolate and expand from peripheral blood the very low-frequency tumor-reactive T cells, methods that have been developed over the last 2 decades, to the point where such an approach may be broadly applicable not only for the treatment of melanoma but also for that of other solid tumor malignancies. One compelling feature of ETC is the ability to rapidly deploy clinical trials following identification of a tumor-associated target epitope, a feature that may be exploited to develop personalized antigen-specific T-cell therapy for patients with almost any solid tumor. With a well-validated antigen discovery pipeline in place, clinical studies combining ETC with agents that modulate the immune microenvironment can be developed that will transform ETC into a feasible treatment modality.
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20
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Henrich FC, Singer K, Poller K, Bernhardt L, Strobl CD, Limm K, Ritter AP, Gottfried E, Völkl S, Jacobs B, Peter K, Mougiakakos D, Dettmer K, Oefner PJ, Bosserhoff AK, Kreutz MP, Aigner M, Mackensen A. Suppressive effects of tumor cell-derived 5'-deoxy-5'-methylthioadenosine on human T cells. Oncoimmunology 2016; 5:e1184802. [PMID: 27622058 DOI: 10.1080/2162402x.2016.1184802] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2016] [Revised: 04/13/2016] [Accepted: 04/26/2016] [Indexed: 02/01/2023] Open
Abstract
The immunosuppressive tumor microenvironment represents one of the main obstacles for immunotherapy of cancer. The tumor milieu is among others shaped by tumor metabolites such as 5'-deoxy-5'-methylthioadenosine (MTA). Increased intratumoral MTA levels result from a lack of the MTA-catabolizing enzyme methylthioadenosine phosphorylase (MTAP) in tumor cells and are found in various tumor entities. Here, we demonstrate that MTA suppresses proliferation, activation, differentiation, and effector function of antigen-specific T cells without eliciting cell death. Conversely, if MTA is added to highly activated T cells, MTA exerts cytotoxic effects on T cells. We identified the Akt pathway, a critical signal pathway for T cell activation, as a target of MTA, while, for example, p38 remained unaffected. Next, we provide evidence that MTA exerts its immunosuppressive effects by interfering with protein methylation in T cells. To confirm the relevance of the suppressive effects of exogenously added MTA on human T cells, we used an MTAP-deficient tumor cell-line that was stably transfected with the MTAP-coding sequence. We observed that T cells stimulated with MTAP-transfected tumor cells revealed a higher proliferative capacity compared to T cells stimulated with Mock-transfected cells. In conclusion, our findings reveal a novel immune evasion strategy of human tumor cells that could be of interest for therapeutic targeting.
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Affiliation(s)
- Frederik C Henrich
- Department of Internal Medicine 5 - Hematology and Oncology, University Hospital of Erlangen , Erlangen, Germany
| | - Katrin Singer
- Department of Internal Medicine 5 - Hematology and Oncology, University Hospital of Erlangen, Erlangen, Germany; Department of Internal Medicine 3 - Hematology and Oncology, University Hospital of Regensburg, Regensburg, Germany
| | - Kerstin Poller
- Department of Internal Medicine 5 - Hematology and Oncology, University Hospital of Erlangen , Erlangen, Germany
| | - Luise Bernhardt
- Department of Internal Medicine 5 - Hematology and Oncology, University Hospital of Erlangen , Erlangen, Germany
| | - Carolin D Strobl
- Department of Internal Medicine 5 - Hematology and Oncology, University Hospital of Erlangen , Erlangen, Germany
| | - Katharina Limm
- Institute of Biochemistry - Emil-Fischer-Zentrum, Friedrich-Alexander University of Erlangen-Nuremberg , Erlangen, Germany
| | - Axel P Ritter
- Institute of Functional Genomics, University of Regensburg , Regensburg, Germany
| | - Eva Gottfried
- Department of Internal Medicine 3 - Hematology and Oncology, University Hospital of Regensburg , Regensburg, Germany
| | - Simon Völkl
- Department of Internal Medicine 5 - Hematology and Oncology, University Hospital of Erlangen , Erlangen, Germany
| | - Benedikt Jacobs
- Department of Internal Medicine 5 - Hematology and Oncology, University Hospital of Erlangen, Erlangen, Germany; Department of Cancer Immunology, Institute for Cancer Research, Oslo University Hospital, Radiumhospital, Oslo, Norway; The KG Jebsen Center for Cancer Immunotherapy, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Katrin Peter
- Department of Internal Medicine 3 - Hematology and Oncology, University Hospital of Regensburg , Regensburg, Germany
| | - Dimitrios Mougiakakos
- Department of Internal Medicine 5 - Hematology and Oncology, University Hospital of Erlangen , Erlangen, Germany
| | - Katja Dettmer
- Institute of Functional Genomics, University of Regensburg , Regensburg, Germany
| | - Peter J Oefner
- Institute of Functional Genomics, University of Regensburg , Regensburg, Germany
| | - Anja-Katrin Bosserhoff
- Institute of Biochemistry - Emil-Fischer-Zentrum, Friedrich-Alexander University of Erlangen-Nuremberg , Erlangen, Germany
| | - Marina P Kreutz
- Department of Internal Medicine 3 - Hematology and Oncology, University Hospital of Regensburg , Regensburg, Germany
| | - Michael Aigner
- Department of Internal Medicine 5 - Hematology and Oncology, University Hospital of Erlangen , Erlangen, Germany
| | - Andreas Mackensen
- Department of Internal Medicine 5 - Hematology and Oncology, University Hospital of Erlangen , Erlangen, Germany
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21
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Stanton SE, Eary JF, Marzbani EA, Mankoff D, Salazar LG, Higgins D, Childs J, Reichow J, Dang Y, Disis ML. Concurrent SPECT/PET-CT imaging as a method for tracking adoptively transferred T-cells in vivo. J Immunother Cancer 2016; 4:27. [PMID: 27190628 PMCID: PMC4869363 DOI: 10.1186/s40425-016-0131-3] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Accepted: 04/15/2016] [Indexed: 12/17/2022] Open
Abstract
Background The ability of T-cells to traffic to and penetrate tumors impacts the clinical efficacy of T-cell therapy therefore methods to track transferred T-cells in vivo are needed. In this preliminary report, we evaluated the use of concurrent SPECT/PET-CT imaging to monitor the egress of HER-2/neu specific T-cells in a breast cancer patient with extensive bone-only metastatic disease. Findings Indium (In-111) labeled T-cells demonstrated similar or greater viability than unlabeled T-cells at either a low or high dose of In-111 over a 24-h incubation period in vitro. The function of labeled or unlabeled T-cells was not significantly different (p > 0.05) at either dose. T-cells trafficked to all sites of metastatic disease and infiltrated the tumor as assessed by SPECT imaging. In-111 uptake at 24 h after infusion varied from 3.8 (right proximal humerus) to 6.3 (right sacrum) background corrected counts per pixel and remained elevated at 48 h. Concurrent PET-CT imaging demonstrated a fluorodeoxyglucose flare, measured by increase in tumor site uptake as high as 32 % and at most sites of disease at 48 h. This flare was associated with focal pain after T-cell infusion at metastatic sites. The patient had stable disease for 18 months after completion of T-cell therapy. Conclusion Concurrent SPECT/PET-CT imaging, over a 48-h period after T-cell infusion, provided evidence of T-cell homing to all disease sites as well as a tumor metabolism flare response. This technique may be useful for monitoring T-cell trafficking after autologous as well as chimeric antigen receptor T-cell infusion. Trial Registraion Trial registered at ClinicalTrials.gov registration number NCT00791037, registered 13 November 2008.
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Affiliation(s)
- Sasha E Stanton
- Tumor Vaccine Group, Center for Translational Medicine in Women's Health, University of Washington, Seattle, WA 98109 USA
| | - Janet F Eary
- Department of Radiology, University of Alabama at Birmingham, Birmingham, AL 35249 USA
| | - Edmond A Marzbani
- Tumor Vaccine Group, Center for Translational Medicine in Women's Health, University of Washington, Seattle, WA 98109 USA
| | - David Mankoff
- Department of Radiology, University of Pennsylvania, Philadelphia, PA 19104 USA
| | - Lupe G Salazar
- Tumor Vaccine Group, Center for Translational Medicine in Women's Health, University of Washington, Seattle, WA 98109 USA
| | - Doreen Higgins
- Tumor Vaccine Group, Center for Translational Medicine in Women's Health, University of Washington, Seattle, WA 98109 USA
| | - Jennifer Childs
- Tumor Vaccine Group, Center for Translational Medicine in Women's Health, University of Washington, Seattle, WA 98109 USA
| | - Jessica Reichow
- Tumor Vaccine Group, Center for Translational Medicine in Women's Health, University of Washington, Seattle, WA 98109 USA
| | - Yushe Dang
- Tumor Vaccine Group, Center for Translational Medicine in Women's Health, University of Washington, Seattle, WA 98109 USA
| | - Mary L Disis
- Tumor Vaccine Group, Center for Translational Medicine in Women's Health, University of Washington, Seattle, WA 98109 USA
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Blaudszun AR, Moldenhauer G, Schneider M, Philippi A. A photosensitizer delivered by bispecific antibody redirected T lymphocytes enhances cytotoxicity against EpCAM-expressing carcinoma cells upon light irradiation. J Control Release 2014; 197:58-68. [PMID: 25449805 DOI: 10.1016/j.jconrel.2014.10.025] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2014] [Revised: 09/05/2014] [Accepted: 10/28/2014] [Indexed: 01/19/2023]
Abstract
Recently conducted clinical trials have provided impressive evidence that chemotherapy resistant metastatic melanoma and several hematological malignancies can be cured using adoptive T cell therapy or T cell-recruiting bispecific antibodies. However, a significant fraction of patients did not benefit from these treatments. Here we have evaluated the feasibility of a novel combination therapy which aims to further enhance the killing potential of bispecific antibody-redirected T lymphocytes by using these cells as targeted delivery system for photosensitizing agents. For a first in vitro proof-of-concept study, ex vivo activated human donor T cells were loaded with a poly(styrene sulfonate) (PSS)-complex of the model photosensitizer 5,10,15,20-tetrakis(3-hydroxyphenyl)porphyrin (mTHPP). In the absence of light and when loading with the water-soluble PSS/mTHPP-complex occurred at a tolerable concentration, viability and cytotoxic function of loaded T lymphocytes were not impaired. When "drug-enhanced" T cells were co-cultivated with EpCAM-expressing human carcinoma cells, mTHPP was transferred to target cells. Notably, in the presence of a bispecific antibody, which cross-links effector and target cells thereby inducing the cytolytic activity of cytotoxic T lymphocytes, significantly more photosensitizer was transferred. Consequently, upon irradiation of co-cultures, redirected drug-loaded T cells were more effective in killing A549 lung and SKOV-3 ovarian carcinoma cells than retargeted unloaded T lymphocytes. Particularly, the additive approach using redirected unloaded T cells in combination with appropriate amounts of separately applied PSS/mTHPP was less efficient as well. Thus, by loading T lymphocytes with a stimulus-sensitive anti-cancer drug, we were able to enhance the cytotoxic capacity of carrier cells. Photosensitizer boosted T cells could open new perspectives for adoptive T cell therapy as well as targeted photodynamic therapy.
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Affiliation(s)
- André-René Blaudszun
- Environment and Bio Group, Korea Institute of Science and Technology (KIST) Europe Forschungsgesellschaft mbH, Saarland University, Campus E7 1, Saarbrücken D-66123, Germany.
| | - Gerhard Moldenhauer
- Department of Translational Immunology, German Cancer Research Center and National Center for Tumor Diseases, Heidelberg D-69120, Germany
| | - Marc Schneider
- Department of Pharmaceutics and Biopharmacy, Philipps-University, Ketzerbach 63, Marburg D-35037, Germany
| | - Anja Philippi
- Environment and Bio Group, Korea Institute of Science and Technology (KIST) Europe Forschungsgesellschaft mbH, Saarland University, Campus E7 1, Saarbrücken D-66123, Germany
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23
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A full GMP process to select and amplify epitope-specific T lymphocytes for adoptive immunotherapy of metastatic melanoma. Clin Dev Immunol 2013; 2013:932318. [PMID: 24194775 PMCID: PMC3806119 DOI: 10.1155/2013/932318] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2013] [Revised: 08/27/2013] [Accepted: 08/27/2013] [Indexed: 12/31/2022]
Abstract
A number of trials of adoptive transfer of tumor-specific T lymphocytes have been performed in the last 20 years in metastatic melanoma, with increasingly encouraging results as the relevant melanoma antigens were identified and the purity/specificity of injected T cells improved. We have previously described a sorting method of epitope-specific T lymphocytes that uses magnetic beads coated with HLA/peptide complexes and we suggested that this method could be applied to a clinical setting. In the present work, we provide a detailed description of the whole GMP process of sorting and amplification of clinical grade T cells specific for the melanoma antigens Melan-A and MELOE-1. All the reagents used in this process including the sorting reagent were produced in GMP conditions and we document the optimization of the different steps of the process such as peptide stimulation, sorting, and amplification. The optimized procedure, validated in 3 blank runs in a clinical setting, allowed the production of at least 108 pure (>90%) Melan-A- and MELOE-1-specific T cells within 28 days starting with 100 mL of blood from metastatic melanoma patients. This GMP process is thus ready to be used in an upcoming phase I/II clinical trial on metastatic melanoma patients.
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24
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Shen C, Cheng K, Miao S, Wang W, He Y, Meng F, Zhang J. Latex bead-based artificial antigen-presenting cells induce tumor-specific CTL responses in the native T-cell repertoires and inhibit tumor growth. Immunol Lett 2013; 150:1-11. [PMID: 23328744 DOI: 10.1016/j.imlet.2013.01.003] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2012] [Revised: 12/30/2012] [Accepted: 01/04/2013] [Indexed: 01/10/2023]
Abstract
Cell-free artificial antigen-presenting cells (aAPCs) were generated by coupling H-2K(b)/TRP2 tetramers together with anti-CD28 and anti-4-1BB antibodies onto cell-sized latex beads and injected intravenously and subcutaneously into naïve mice and antigen-primed mice (B6, H-2K(b)). Vigorous tumor antigen-specific CTL responses in the native T-cell repertoire in each mouse model were elicited as evaluated by measuring surface CD69 and CD25, intracellular IFN-γ, tetramer staining and cytolysis of melanoma cells. Furthermore, the aAPCs efficiently inhibited subcutaneous tumor growth and markedly delayed tumor progression in tumor-bearing mice. These data suggest that bead-based aAPCs represent a potential strategy for the active immunotherapy of cancers or persistent infections.
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Affiliation(s)
- Chuanlai Shen
- Department of Microbiology and Immunology, Southeast University Medical School, Nanjing, Jiangsu, China.
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25
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Munger CM, Hegde GV, Weisenburger DD, Vose JM, Joshi SS. Optimized adoptive T-cell therapy for the treatment of residual mantle cell lymphoma. Cancer Immunol Immunother 2012; 61:1819-32. [PMID: 22441656 PMCID: PMC11029434 DOI: 10.1007/s00262-012-1229-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2011] [Accepted: 02/20/2012] [Indexed: 01/16/2023]
Abstract
Mantle cell lymphoma (MCL) is an aggressive B-cell neoplasm with few patients achieving long-term survival with current treatment regimens. High-dose therapy is effective in reducing the tumor burden; however, patients eventually relapse due to minimal residual disease. Having demonstrated efficacy in other malignancies, the effectiveness of dendritic cell-based immunotherapy for minimal residual MCL was examined. We demonstrated that dendritic cells (DC) primed with MCL antigens stimulated the activation of MCL-specific T cells that recognized and destroyed both MCL cell lines and primary MCL in vitro. In addition, in vivo studies demonstrated that adoptively transferred MCL-specific T cells were able to significantly inhibit tumor growth in mice with minimal residual MCL. Subsequently, when combined with CHOP chemotherapy, adoptive T-cell therapy was able to significantly extend the survival of the mice by further reducing the tumor burden. These results clearly show that MCL-specific cellular immunotherapy is effective in treating minimal residual MCL, paving the way for future clinical studies.
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MESH Headings
- Animals
- Antigens, Neoplasm/immunology
- Antineoplastic Agents/therapeutic use
- Antineoplastic Combined Chemotherapy Protocols/therapeutic use
- Cell Line, Tumor
- Combined Modality Therapy
- Cyclophosphamide/therapeutic use
- Dendritic Cells/immunology
- Doxorubicin/therapeutic use
- Humans
- Immunotherapy, Adoptive/methods
- Kidney Neoplasms/drug therapy
- Kidney Neoplasms/immunology
- Kidney Neoplasms/mortality
- Kidney Neoplasms/secondary
- Kidney Neoplasms/therapy
- Liver Neoplasms/drug therapy
- Liver Neoplasms/immunology
- Liver Neoplasms/mortality
- Liver Neoplasms/secondary
- Liver Neoplasms/therapy
- Lung Neoplasms/drug therapy
- Lung Neoplasms/immunology
- Lung Neoplasms/mortality
- Lung Neoplasms/secondary
- Lung Neoplasms/therapy
- Lymphocyte Activation/immunology
- Lymphoma, Mantle-Cell/drug therapy
- Lymphoma, Mantle-Cell/immunology
- Lymphoma, Mantle-Cell/mortality
- Lymphoma, Mantle-Cell/pathology
- Lymphoma, Mantle-Cell/therapy
- Mice
- Mice, Inbred NOD
- Neoplasm, Residual
- Prednisone/therapeutic use
- T-Lymphocytes/immunology
- T-Lymphocytes/transplantation
- Treatment Outcome
- Vincristine/therapeutic use
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Affiliation(s)
- Corey M. Munger
- Department of Genetics, Cell Biology and Anatomy, Center for Research in Leukemia and Lymphoma, University of Nebraska Medical Center, Omaha, NE 68198-6395 USA
| | - Ganapati V. Hegde
- Department of Genetics, Cell Biology and Anatomy, Center for Research in Leukemia and Lymphoma, University of Nebraska Medical Center, Omaha, NE 68198-6395 USA
| | - Dennis D. Weisenburger
- Department of Pathology and Microbiology, Center for Research in Leukemia and Lymphoma, University of Nebraska Medical Center, Omaha, NE 68198-6395 USA
| | - Julie M. Vose
- Department of Internal Medicine-Section of Oncology and Hematology, Center for Research in Leukemia and Lymphoma, University of Nebraska Medical Center, Omaha, NE 68198-6395 USA
| | - Shantaram S. Joshi
- Department of Genetics, Cell Biology and Anatomy, Center for Research in Leukemia and Lymphoma, University of Nebraska Medical Center, Omaha, NE 68198-6395 USA
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26
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Sapoznik S, Ortenberg R, Galore-Haskel G, Kozlovski S, Levy D, Avivi C, Barshack I, Cohen CJ, Besser MJ, Schachter J, Markel G. CXCR1 as a novel target for directing reactive T cells toward melanoma: implications for adoptive cell transfer immunotherapy. Cancer Immunol Immunother 2012; 61:1833-47. [PMID: 22441657 PMCID: PMC11028868 DOI: 10.1007/s00262-012-1245-1] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2011] [Accepted: 03/06/2012] [Indexed: 10/28/2022]
Abstract
Adoptive cell transfer therapy with reactive T cells is one of the most promising immunotherapeutic modalities for metastatic melanoma patients. Homing of the transferred T cells to all tumor sites in sufficient numbers is of great importance. Here, we seek to exploit endogenous chemotactic signals in order to manipulate and enhance the directional trafficking of transferred T cells toward melanoma. Chemokine profiling of 15 melanoma cultures shows that CXCL1 and CXCL8 are abundantly expressed and secreted from melanoma cultures. However, the complimentary analysis on 40 melanoma patient-derived tumor-infiltrating lymphocytes (TIL) proves that the corresponding chemokine receptors are either not expressed (CXCR2) or expressed at low levels (CXCR1). Using the in vitro transwell system, we demonstrate that TIL cells preferentially migrate toward melanoma and that endogenously expressing CXCR1 TIL cells are significantly enriched among the migrating lymphocytes. The role of the chemokines CXCL1 and CXCL8 is demonstrated by partial abrogation of this enrichment with anti-CXCL1 and anti-CXCL8 neutralizing antibodies. The role of the chemokine receptor CXCR1 is validated by the enhanced migration of CXCR1-engineered TIL cells toward melanoma or recombinant CXCL8. Cytotoxicity and IFNγ secretion activity are unaltered by CXCR1 expression profile. Taken together, these results mark CXCR1 as a candidate for genetic manipulations to enhance trafficking of adoptively transferred T cells. This approach is complimentary and potentially synergistic with other genetic strategies designed to enhance anti-tumor potency.
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Affiliation(s)
- Sivan Sapoznik
- The Ella Institute for Melanoma Research and Treatment, Cancer Research Center, Sheba Medical Center, 52621 Ramat Gan, Tel Hashomer, Israel
| | - Rona Ortenberg
- The Ella Institute for Melanoma Research and Treatment, Cancer Research Center, Sheba Medical Center, 52621 Ramat Gan, Tel Hashomer, Israel
- Clinical Microbiology and Immunology, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Gilli Galore-Haskel
- The Ella Institute for Melanoma Research and Treatment, Cancer Research Center, Sheba Medical Center, 52621 Ramat Gan, Tel Hashomer, Israel
- Clinical Microbiology and Immunology, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Stav Kozlovski
- The Ella Institute for Melanoma Research and Treatment, Cancer Research Center, Sheba Medical Center, 52621 Ramat Gan, Tel Hashomer, Israel
- Clinical Microbiology and Immunology, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Daphna Levy
- The Ella Institute for Melanoma Research and Treatment, Cancer Research Center, Sheba Medical Center, 52621 Ramat Gan, Tel Hashomer, Israel
| | - Camila Avivi
- Institute of Pathology, Sheba Medical Center, Ramat Gan, Israel
| | - Iris Barshack
- Institute of Pathology, Sheba Medical Center, Ramat Gan, Israel
- Pathology Department, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Cyrille J. Cohen
- The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan, Israel
| | - Michal J. Besser
- The Ella Institute for Melanoma Research and Treatment, Cancer Research Center, Sheba Medical Center, 52621 Ramat Gan, Tel Hashomer, Israel
- Clinical Microbiology and Immunology, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Jacob Schachter
- The Ella Institute for Melanoma Research and Treatment, Cancer Research Center, Sheba Medical Center, 52621 Ramat Gan, Tel Hashomer, Israel
| | - Gal Markel
- The Ella Institute for Melanoma Research and Treatment, Cancer Research Center, Sheba Medical Center, 52621 Ramat Gan, Tel Hashomer, Israel
- Talpiot Medical Leadership Program, Sheba Medical Center, Ramat Gan, Israel
- Clinical Microbiology and Immunology, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
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27
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Abstract
Metastatic melanoma is notoriously resistant to chemotherapy and radiotherapy regimens. The prospect for newly diagnosed metastatic melanoma patients is grim, with a median survival of less than 1 year. Currently, the only therapies resulting in long-term disease-free intervals, high-dose interleukin-2 (IL-2) and more recently anti-CTLA-4, work through activation of the immune system. However, with both therapies the response rate is low. Advances in our knowledge of how the immune system interacts with cancer have led to a number of strategies to manipulate anti-tumor immune responses through immunotherapy. This review will focus on one avenue of immunotherapy using the transfer of T cells referred to as "adoptive cell therapy" (ACT), which involves the ex vivo expansion of autologous tumor-specific T cells to large numbers that are ultimately transferred back to the patient to boost anti-tumor immunity. This approach has been shown to be effective in the treatment of virally induced cancers, as well as metastatic melanoma. Recent successes with ACT hold promise and further emphasize the tremendous potential benefit of harnessing the immune system in the fight against cancer.
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Affiliation(s)
- Chantale Bernatchez
- Department of Melanoma Medical Oncology, The University of Texas, M.D. Anderson Cancer Center, Houston, TX 77054, USA.
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28
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Abstract
The objective was to evaluate the toxicity and feasibility of intraperitoneal infusion of tumor-specific cytotoxic T lymphocytes (CTL) as therapy for recurrent ovarian cancer, and to determine if repetitive cycles of CTL generation and infusion measurably increases the host's ovarian cancer immune response. In this study, 7 subjects with recurrent ovarian cancer confined to the peritoneal cavity underwent up to 4 cycles, each cycle beginning with a leukapheresis for collection of precursor lymphocytes, which were stimulated in vitro with mucin 1, a tumor-specific antigen found commonly in ovarian cancer cells. The resulting new CTL for each cycle were reintroduced into the host by intraperitoneal infusion. Immunologic parameters (killer cells, cytokine production, memory T lymphocytes, and natural killer cells) were studied. Toxicity, CA-125, and survival data were also evaluated. The tumor marker CA-125 was nonstatistically significantly reduced after the first month of immunotherapy. However, after that it rose. Killer cells, cytokine production, and memory T lymphocytes increased after the first cycle of stimulation, but plateaued or reduced thereafter. The percent of natural killer cells inversely correlated with other immune parameters. Median survival was 11.5 months. One subject is free of disease since December, 2000. Multiple cycles, beyond 1 cycle, of T-cell stimulation followed by adoptive T-cell infusion, may not enhance the in vivo immune response.
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29
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Jotereau F, Gervois N, Labarrière N. Adoptive transfer with high-affinity TCR to treat human solid tumors: how to improve the feasibility? Target Oncol 2012; 7:3-14. [PMID: 22350487 DOI: 10.1007/s11523-012-0207-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2011] [Accepted: 01/12/2012] [Indexed: 01/05/2023]
Abstract
The adoptive transfer of tumor antigen-specific T cells recently achieved clinical efficacy for a fraction of melanoma patients refractory to other therapies. Unfortunately, the application of this strategy to the remaining melanoma and most other cancer patients is hampered by the difficulty to generate high-affinity tumor-reactive T cells. Two strategies are currently developed to extend the feasibility of this therapeutic approach: clinical grade tool production for MHC-peptide multimer-driven sorting of antigen-specific T cells from the endogenous peripheral T cell repertoire and de novo engineering of the missing repertoire by genetic transfer of cloned specific T cell receptor (TCR) into T cells. The expected multiplication of adoptive transfer treatments, by these strategies, and their careful evaluation should enable the cure of a number of otherwise compromised cancer patients and to gain insight into the characteristics of transferred T cells best fitted to eradicate tumor cells, in terms of antigen specificities, phenotype, and functions. In particular, identification of tumor-rejection antigens by this approach would improve the design and efficacy of all immunotherapeutic approaches.
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30
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Redirecting T cells to Ewing's sarcoma family of tumors by a chimeric NKG2D receptor expressed by lentiviral transduction or mRNA transfection. PLoS One 2012; 7:e31210. [PMID: 22355347 PMCID: PMC3280271 DOI: 10.1371/journal.pone.0031210] [Citation(s) in RCA: 91] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2011] [Accepted: 01/04/2012] [Indexed: 11/19/2022] Open
Abstract
We explored the possibility to target Ewing's sarcoma family of tumors (ESFT) by redirecting T cells. To this aim, we considered NKG2D-ligands (NKG2D-Ls) as possible target antigens. Detailed analysis of the expression of MICA, MICB, ULBP-1, -2, and -3 in fourteen ESFT cell lines revealed consistent expression of at least one NKG2D-L. Thus, for redirecting T cells, we fused a CD3ζ/CD28-derived signaling domain to the ectodomain of NKG2D, however, opposite transmembrane orientation of this signaling domain and NKG2D required inverse orientation fusion of either of them. We hypothesized that the particularly located C-terminus of the NKG2D ectodomain should allow reengineering of the membrane anchoring from a native N-terminal to an artificial C-terminal linkage. Indeed, the resulting chimeric NKG2D receptor (chNKG2D) was functional and efficiently mediated ESFT cell death triggered by activated T cells. Notably, ESFT cells with even low NKG2D-L expression were killed by CD8(pos) and also CD4(pos) cells. Both, mRNA transfection and lentiviral transduction resulted in high level surface expression of chNKG2D. However, upon target-cell recognition receptor surface levels were maintained by tranfected RNA only during the first couple of hours after transfection. Later, target-cell contact resulted in strong and irreversible receptor down-modulation, whereas lentivirally mediated expression of chNKG2D remained constant under these conditions. Together, our study defines NKG2D-Ls as targets for a CAR-mediated T cell based immunotherapy of ESFT. A comparison of two different methods of gene transfer reveals strong differences in the susceptibility to ligand-induced receptor down-modulation with possible implications for the applicability of RNA transfection.
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31
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Gary R, Voelkl S, Palmisano R, Ullrich E, Bosch JJ, Mackensen A. Antigen-Specific Transfer of Functional Programmed Death Ligand 1 from Human APCs onto CD8+ T Cells via Trogocytosis. THE JOURNAL OF IMMUNOLOGY 2011; 188:744-52. [DOI: 10.4049/jimmunol.1101412] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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32
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Clinical evaluation of autologous gamma delta T cell-based immunotherapy for metastatic solid tumours. Br J Cancer 2011; 105:778-86. [PMID: 21847128 PMCID: PMC3171009 DOI: 10.1038/bjc.2011.293] [Citation(s) in RCA: 178] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Adoptive transfer of ex vivo expanded autologous Vγ9Vδ2 T cells may be of therapeutic benefit for cancer because of their potent direct cytotoxicity towards tumour cells, synergistic cytotoxicity when combined with aminobisphosphonates and enhancement of antibody-dependent cell-mediated cytotoxicity. METHODS To determine the feasibility and clinical safety of therapy with ex vivo expanded, activated Vγ9Vδ2 T cells in combination with zoledronate, we enrolled 18 subjects with advanced solid tumours into a phase I clinical study. Administered indium(111)-oxine-labelled Vγ9Vδ2 T cells were tracked in a cohort of patients. RESULTS Administered Vγ9Vδ2 T cells had an activated effector memory phenotype, expressed chemokine receptors predictive of homing to peripheral tissues and were cytotoxic in vitro against tumour targets. Adoptively transferred Vγ9Vδ2 T cells trafficked predominantly to the lungs, liver and spleen and, in some patients, to metastatic tumour sites outside these organs. No dose-limiting toxicity was observed, but most patients progressed on study therapy. However, three patients administered Vγ9Vδ2 T cells while continuing previously ineffective therapy had disease responses, suggesting an additive effect. CONCLUSION Therapy with aminobisphosphonate-activated Vγ9Vδ2 T cells is feasible and well tolerated, but therapeutic benefits appear only likely when used in combination with other therapies.
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33
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Labarriere N, Khammari A, Lang F, Dreno B. Is antigen specificity the key to efficient adoptive T-cell therapy? Immunotherapy 2011; 3:495-505. [DOI: 10.2217/imt.11.16] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
Adoptive transfer of T cells remains a promising approach in melanoma. Initial clinical trials performed with polyclonal tumor-infiltrating lymphocyte gave limited clinical results. Nonetheless, encouraging results have been reported in adjuvant setting (stage III melanoma), and when tumor-infiltrating lymphocytes were associated with lymphodepleting regimens. Specificity of adoptive cell therapy has been achieved with the infusion of antigen specific cytotoxic T-lymphocyte clones, associated with some clinical responses. Antigen specificity can also be obtained by the allogeneic transfer of high-avidity T-cell receptors into autologous T cells. We propose an alternative strategy based on the selection of antigen-specific T cells with magnetic beads coated with HLA–peptide multimers. Future improvements of adoptive melanoma immunotherapy may be achieved by its association with other therapeutic strategies such as targeted therapy against signaling pathways.
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Affiliation(s)
- Nathalie Labarriere
- Unite Mixte de Recherche Institut National de la Sante et de la Recherche Medicale, Unite 892, Centre de Recherche en Canerologie Nantes-Angers, F-44007 Nantes, France
| | - Amir Khammari
- Unite Mixte de Recherche Institut National de la Sante et de la Recherche Medicale, Unite 892, Centre de Recherche en Canerologie Nantes-Angers, F-44007 Nantes, France
- Centre Hospitalo-Universitaire de Nantes, Unit of Skin Cancer, F-44093 Nantes, France
| | - Francois Lang
- Unite Mixte de Recherche Institut National de la Sante et de la Recherche Medicale, Unite 892, Centre de Recherche en Canerologie Nantes-Angers, F-44007 Nantes, France
- Université de Nantes, Unite de Formation et de Recherche des Sciences Pharmaceutiques, F-44093 Nantes, France
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34
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Voelkl S, Gary R, Mackensen A. Characterization of the immunoregulatory function of human TCR-αβ+ CD4- CD8- double-negative T cells. Eur J Immunol 2011; 41:739-48. [PMID: 21287552 DOI: 10.1002/eji.201040982] [Citation(s) in RCA: 80] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2010] [Revised: 11/12/2010] [Accepted: 12/15/2010] [Indexed: 12/21/2022]
Abstract
Regulatory T cells (Tregs) play an important role in the maintenance of immune tolerance to self-antigens and are involved in modulating immune responses in autoimmunity, transplant rejection, and tumor immunity. Recently, a novel subset of TCR-αβ(+) CD4(-) CD8(-) (double negative, DN) T cells has been described to specifically suppress T-cell responses in mice. Here, we demonstrate that human DN T cells are highly potent suppressors of both CD4(+) and CD8(+) T-cell responses. In contrast to naturally occurring CD4(+) CD25(+) Tregs, DN T cells have to be activated by antigen-presenting cells (APCs) to induce their regulatory potential. The suppressive activity of DN T cells is neither mediated indirectly by modulation of APCs nor by competition for T-cell growth factors. Furthermore, DN T-cell-mediated suppression toward responder T cells is TCR dependent and requires novel protein synthesis. In contrast to murine DN T cells, which eliminate effector T cells via Fas/FasL or perforin/granzyme, human DN T cells suppress proliferation of responder T cells by cell contact-dependent mechanisms. Taken together, our data indicate that human DN T cells exert strong immunosuppressive effects on both CD4(+) and CD8(+) T cells and may serve as a new therapeutic approach to treat autoimmunity and transplant rejection.
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Affiliation(s)
- Simon Voelkl
- Department of Internal Medicine 5 - Hematology/Oncology, University of Erlangen-Nürnberg, Erlangen, Germany
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35
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Abstract
Peripheral αβTCR(+)CD3(+)CD4(-)CD8(-) NK1.1/CD56(-) double-negative (DN) Treg cells are a relatively rare subset of regulatory cells found in both humans and mice, typically comprising less than 5% of the total peripheral T-cell pool. Numerous studies have shown that DN Tregs can inhibit CD4(+) and CD8(+) T-cell responses in vitro and in vivo using a variety of model systems [Zhang et al., Nature Medicine 6:782, 2000; Young et al., Blood 100:3408, 2002; Ford et al., Experimental Medicine 196:261, 2002; Young et al., Journal of Immunology 171:134, 2003; Ford et al., European Journal of Immunology 37:2234, 2007; Zhang et al., Blood 109:4071, 2007; Fischer et al., Blood 105:2828, 2005]. This chapter describes published methods for the phenotypic identification of DN Tregs, their isolation from secondary lymphoid organs of mice or human peripheral blood, activation and expansion, and assays for their ability to suppress T-cell proliferation, induce apoptosis, and promote tolerance to allografts in vivo.
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Affiliation(s)
- Edward Y Kim
- Toronto General Hospital Research Institute, Toronto, ON, Canada
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36
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Wright SE, Rewers-Felkins KA, Quinlin IS, Phillips CA, Townsend M, Philip R, Zorsky P, Klug P, Dai L, Hussain M, Thomas AA, Sundaramurthy C. Number of treatment cycles influences development of cytotoxic T cells in metastatic breast cancer patients - a phase I/II study. Immunol Invest 2010; 39:570-86. [PMID: 20653425 DOI: 10.3109/08820131003713798] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The influence of the number of apheresis-stimulation-infusion(s) cycles, and the time in culture before the infusion (one vs. two weeks), on the generation of tumor antigen-specific cytotoxic T-lymphocytes (CTL) was investigated in a phase I/II clinical adoptive immunotherapy trial. Two previously treated metastatic breast cancer patients with no evidence of disease, in complete remission (CR), were enrolled. Each apheretic peripheral blood mononuclear cell (PBMC) sample was stimulated twice with MUC-1 before infusion back into the patients. Killer T-cells responses against MUC-1-expressing MCF-7 (CTL), nonspecific natural killer (NK) and lymphokine-activated killer (LAK) target cell lines, as well as, cytokine production were measured before each infusion. Patients received 2 infusions per month for 4 months. There were no tumor recurrences or toxicity. CTL, NK and LAK cells, type 1 cytokine, gamma-interferon (G-INF), and CD4(+) and CD8(+) memory T-lymphocytes were initially generated, produced or induced, respectively, and then declined. The CTL, NK and LAK cells were only induced at the first infusion of the first month. Thus, maintaining PBMC in culture longer than the first infusion was of no benefit with regards to retaining functional killer T-cells. In conclusion, this study implies that one treatment is optimal.
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Affiliation(s)
- Stephen E Wright
- Medical Service, Amarillo Veterans Affairs Health Care System, Amarillo, TX 79106, USA.
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37
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Srinivas M, Aarntzen EHJG, Bulte JWM, Oyen WJ, Heerschap A, de Vries IJM, Figdor CG. Imaging of cellular therapies. Adv Drug Deliv Rev 2010; 62:1080-93. [PMID: 20800081 DOI: 10.1016/j.addr.2010.08.009] [Citation(s) in RCA: 108] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2010] [Revised: 08/12/2010] [Accepted: 08/17/2010] [Indexed: 12/13/2022]
Abstract
Cellular therapy promises to revolutionize medicine, by restoring tissue and organ function, and combating key disorders including cancer. As with all major developments, new tools must be introduced to allow optimization. For cell therapy, the key tool is in vivo imaging for real time assessment of parameters such as cell localization, numbers and viability. Such data is critical to modulate and tailor the therapy for each patient. In this review, we discuss recent work in the field of imaging cell therapies in the clinic, including preclinical work where clinical examples are not yet available. Clinical trials in which transferred cells were imaged using magnetic resonance imaging (MRI), nuclear scintigraphy, single photon emission computed tomography (SPECT), and positron emission tomography (PET) are evaluated from an imaging perspective. Preclinical cell tracking studies that focus on fluorescence and bioluminescence imaging are excluded, as these modalities are generally not applicable to clinical cell tracking. In this review, we assess the advantages and drawbacks of the various imaging techniques available, focusing on immune cells, particularly dendritic cells. Both strategies of prelabeling cells before transplant and the use of an injectable label to target cells in situ are covered. Finally, we discuss future developments, including the emergence of multimodal imaging technology for cell tracking from the preclinical to the clinical realm.
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Affiliation(s)
- M Srinivas
- Department of Tumor Immunology, Nijmegen Centre for Molecular Life Sciences, The Netherlands
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38
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Cole DK, Edwards ESJ, Wynn KK, Clement M, Miles JJ, Ladell K, Ekeruche J, Gostick E, Adams KJ, Skowera A, Peakman M, Wooldridge L, Price DA, Sewell AK. Modification of MHC anchor residues generates heteroclitic peptides that alter TCR binding and T cell recognition. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2010; 185:2600-10. [PMID: 20639478 PMCID: PMC3024538 DOI: 10.4049/jimmunol.1000629] [Citation(s) in RCA: 102] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Improving T cell Ags by altering MHC anchor residues is a common strategy used to enhance peptide vaccines, but there has been little assessment of how such modifications affect TCR binding and T cell recognition. In this study, we use surface plasmon resonance and peptide-MHC tetramer binding at the cell surface to demonstrate that changes in primary peptide anchor residues can substantially and unpredictably alter TCR binding. We also demonstrate that the ability of TCRs to differentiate between natural and anchor-modified heteroclitic peptides distinguishes T cells that exhibit a strong preference for either type of Ag. Furthermore, we show that anchor-modified heteroclitic peptides prime T cells with different TCRs compared with those primed with natural Ag. Thus, vaccination with heteroclitic peptides may elicit T cells that exhibit suboptimal recognition of the intended natural Ag and, consequently, impaired functional attributes in vivo. Heteroclitic peptide-based immune interventions therefore require careful evaluation to ensure efficacy in the clinic.
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MESH Headings
- Amino Acid Sequence
- CD8-Positive T-Lymphocytes/immunology
- CD8-Positive T-Lymphocytes/metabolism
- Cells, Cultured
- Cytokines/immunology
- Cytokines/metabolism
- Epitopes, T-Lymphocyte/genetics
- Epitopes, T-Lymphocyte/immunology
- Epitopes, T-Lymphocyte/metabolism
- Flow Cytometry
- HLA-A Antigens/genetics
- HLA-A Antigens/immunology
- HLA-A Antigens/metabolism
- HLA-A2 Antigen
- Humans
- Mutation
- Oligopeptides/genetics
- Oligopeptides/immunology
- Oligopeptides/metabolism
- Peptide Library
- Protein Binding/immunology
- Receptors, Antigen, T-Cell/immunology
- Receptors, Antigen, T-Cell/metabolism
- Surface Plasmon Resonance
- T-Lymphocytes/immunology
- T-Lymphocytes/metabolism
- T-Lymphocytes, Cytotoxic/immunology
- T-Lymphocytes, Cytotoxic/metabolism
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Affiliation(s)
- David K Cole
- Cardiff University School of Medicine, Heath Park, Cardiff, United Kingdom
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Godet Y, Desfrançois J, Vignard V, Schadendorf D, Khammari A, Dreno B, Jotereau F, Labarrière N. Frequent occurrence of high affinity T cells against MELOE-1 makes this antigen an attractive target for melanoma immunotherapy. Eur J Immunol 2010; 40:1786-94. [PMID: 20217862 DOI: 10.1002/eji.200940132] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
We recently showed that the infusion of tumor infiltrating lymphocytes specific for the MELOE-1 antigen was associated with a prolonged relapse-free survival for HLA-A2(+) melanoma patients who received tumor infiltrating lymphocytes therapy. Here, we characterized the MELOE-1/A2-specific T-cell repertoire in healthy donors and melanoma patients to further support an immunotherapy targeting this epitope. Using tetramer enrichment followed by multicolor staining, we found that MELOE-1-specific T cells were present in the blood of healthy donors and patients at similar frequencies (around 1 in 1x10(5) CD8(+) cells). These cells mainly displayed a naïve phenotype in 4/6 healthy donors and 3/6 patients, whereas high proportions of memory cells were observed in the remaining individuals of both groups. There was a recurrent usage of the Valpha12.1 chain for 17/18 MELOE-1-specific T-cell clones derived from healthy donors or patients, associated with diverse Vbeta chains and V(D)J junctional sequences. All clones derived from melanoma patients (9/9) were reactive against the MELOE-1(36-44) peptide and against HLA-A2(+) melanoma cell lines. This study documents the existence of a large TCR repertoire specific for the MELOE-1/A2 epitope and its capacity to give rise to antitumor CTL that supports the development of immunotherapies targeting this epitope.
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40
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Oelke M, Schneck JP. Overview of a HLA-Ig based "Lego-like system" for T cell monitoring, modulation and expansion. Immunol Res 2010; 47:248-56. [PMID: 20087680 PMCID: PMC2891436 DOI: 10.1007/s12026-009-8156-z] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Recent advances in molecular medicine have shown that soluble MHC-multimers can be valuable tools for both analysis and modulation of antigen-specific immune responses in vitro and in vivo. In this review, we describe the use of dimeric human and mouse major histocompatibility complexes, MHC-Ig, as part of an artificial Antigen-Presenting Cell (aAPC). MHC-Ig-based aAPC and its derivatives represent an exciting new platform technology for measuring and manipulating immune responses in vitro as well as in vivo. This new technology has the potential to help overcome many of the obstacles associated with limitations in current antigen-specific approaches of immunotherapy for the treatment of cancer, infectious diseases and autoimmunity.
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Affiliation(s)
- Mathias Oelke
- Department of Pathology, Johns Hopkins University, School of Medicine, Ross Research Bldg Room 644 B, 720 Rutland Ave, Baltimore, MD 21205-2196, USA
| | - Jonathan P. Schneck
- Department of Pathology & Medicine, Johns Hopkins University, School of Medicine, Ross Research Bldg Room 664 G, 720 Rutland Ave, Baltimore, MD 21205-2196, USA,
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41
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Grützkau A, Radbruch A. Small but mighty: How the MACS®-technology based on nanosized superparamagnetic particles has helped to analyze the immune system within the last 20 years. Cytometry A 2010; 77:643-7. [DOI: 10.1002/cyto.a.20918] [Citation(s) in RCA: 103] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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42
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Godet Y, Moreau-Aubry A, Mompelat D, Vignard V, Khammari A, Dreno B, Lang F, Jotereau F, Labarriere N. An additional ORF on meloe cDNA encodes a new melanoma antigen, MELOE-2, recognized by melanoma-specific T cells in the HLA-A2 context. Cancer Immunol Immunother 2010; 59:431-9. [PMID: 19730858 PMCID: PMC11029903 DOI: 10.1007/s00262-009-0762-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2009] [Accepted: 08/20/2009] [Indexed: 11/25/2022]
Abstract
We characterized a new melanoma antigen derived from one of the multiple open reading frames (ORFs) of the meloe transcript. The meloe gene is overexpressed in melanomas as compared to other cancer cell lines and normal tissues. The corresponding transcript is rather unusual, in that it does not contain a long unique ORF but multiple short ORFs. We recently characterized a tumor epitope derived from a polypeptide (MELOE-1) encoded by the ORF(1230-1370) and involved in relapse prevention of melanoma patients treated with autologous tumor infiltrating lymphocytes (TIL). Here we show that the ORF(285-404) encodes a polypeptide called MELOE-2 that also generated a HLA-A2 epitope recognized by a melanoma-specific T cell clone derived from the same TIL population from which we derived the MELOE-1-specific T cell clone. We also showed that HLA-A2 melanoma cells were spontaneously recognized by the MELOE-2-specific T cell clone, and we detected the presence of MELOE-2 reactive T cells in another TIL population infused to a patient who remained relapse-free after TIL treatment. These results demonstrate that translation of meloe transcript in melanoma cells can produce at least two immunogenic polypeptides, MELOE-1 and MELOE-2, from two distinct ORFs that could be relevant target for melanoma immunotherapy.
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Affiliation(s)
- Yann Godet
- CRCNA, Institut de Recherche Therapeutique, Université de Nantes, UMR INSERM U892, 8 Quai Moncousu, BP70721, 44007 Nantes cedex 1, France
| | - Agnès Moreau-Aubry
- CRCNA, Institut de Recherche Therapeutique, Université de Nantes, UMR INSERM U892, 8 Quai Moncousu, BP70721, 44007 Nantes cedex 1, France
- Faculté des Sciences, Université de Nantes, 44322 Nantes, France
| | - Dimitri Mompelat
- CRCNA, Institut de Recherche Therapeutique, Université de Nantes, UMR INSERM U892, 8 Quai Moncousu, BP70721, 44007 Nantes cedex 1, France
| | - Virginie Vignard
- CRCNA, Institut de Recherche Therapeutique, Université de Nantes, UMR INSERM U892, 8 Quai Moncousu, BP70721, 44007 Nantes cedex 1, France
| | - Amir Khammari
- CRCNA, Institut de Recherche Therapeutique, Université de Nantes, UMR INSERM U892, 8 Quai Moncousu, BP70721, 44007 Nantes cedex 1, France
- Unit of Skin Cancer, Centre Hospitalo-Universitaire de Nantes, 44093 Nantes, France
| | - Brigitte Dreno
- CRCNA, Institut de Recherche Therapeutique, Université de Nantes, UMR INSERM U892, 8 Quai Moncousu, BP70721, 44007 Nantes cedex 1, France
- Unit of Skin Cancer, Centre Hospitalo-Universitaire de Nantes, 44093 Nantes, France
| | - Francois Lang
- CRCNA, Institut de Recherche Therapeutique, Université de Nantes, UMR INSERM U892, 8 Quai Moncousu, BP70721, 44007 Nantes cedex 1, France
- Université de Nantes, UFR des Sciences Pharmaceutiques, 44322 Nantes, France
| | - Francine Jotereau
- CRCNA, Institut de Recherche Therapeutique, Université de Nantes, UMR INSERM U892, 8 Quai Moncousu, BP70721, 44007 Nantes cedex 1, France
- Faculté des Sciences, Université de Nantes, 44322 Nantes, France
| | - Nathalie Labarriere
- CRCNA, Institut de Recherche Therapeutique, Université de Nantes, UMR INSERM U892, 8 Quai Moncousu, BP70721, 44007 Nantes cedex 1, France
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Ugel S, Zoso A, De Santo C, Li Y, Marigo I, Zanovello P, Scarselli E, Cipriani B, Oelke M, Schneck JP, Bronte V. In vivo administration of artificial antigen-presenting cells activates low-avidity T cells for treatment of cancer. Cancer Res 2010; 69:9376-84. [PMID: 19934317 DOI: 10.1158/0008-5472.can-09-0400] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The development of effective antitumor immune responses is normally constrained by low-avidity, tumor-specific CTLs that are unable to eradicate the tumor. Strategies to rescue antitumor activity of low-avidity melanoma-specific CTLs in vivo may improve immunotherapy efficacy. To boost the in vivo effectiveness of low-avidity CTLs, we immunized mice bearing lung melanoma metastases with artificial antigen-presenting cells (aAPC), made by covalently coupling (pep)MHC-Ig dimers and B7.1-Ig molecules to magnetic beads. aAPC treatment induced significant tumor reduction in a mouse telomerase antigen system, and complete tumor eradication in a mouse TRP-2 antigen system, when low-avidity CTLs specific for these antigens were adoptively transferred. In addition, in an in vivo treatment model of subcutaneous melanoma, aAPC injection also augmented the activity of adoptively transferred CTLs and significantly delayed tumor growth. In vivo tumor clearance due to aAPC administration correlated with in situ proliferation of the transferred CTL. In vitro studies showed that aAPC effectively stimulated cytokine release, enhanced CTL-mediated lysis, and TCR downregulation in low-avidity CTLs. Therefore, in vivo aAPC administration represents a potentially novel approach to improve cancer immunotherapy.
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Affiliation(s)
- Stefano Ugel
- Department of Oncology, Oncology Section, Istituto di Ricovero e Cura a Carattere Scientifico, Padua, Italy
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44
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Treatment of Metastatic Melanoma with Autologous Melan-A/Mart-1-Specific Cytotoxic T Lymphocyte Clones. J Invest Dermatol 2009; 129:2835-42. [DOI: 10.1038/jid.2009.144] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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45
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Cole DK, Yuan F, Rizkallah PJ, Miles JJ, Gostick E, Price DA, Gao GF, Jakobsen BK, Sewell AK. Germ line-governed recognition of a cancer epitope by an immunodominant human T-cell receptor. J Biol Chem 2009; 284:27281-9. [PMID: 19605354 PMCID: PMC2785656 DOI: 10.1074/jbc.m109.022509] [Citation(s) in RCA: 125] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2009] [Revised: 05/18/2009] [Indexed: 11/06/2022] Open
Abstract
CD8(+) T-cells specific for MART-1-(26-35), a dominant melanoma epitope restricted by human leukocyte antigen (HLA)-A*0201, are exceptionally common in the naive T-cell repertoire. Remarkably, the TRAV12-2 gene is used to encode the T-cell receptor alpha (TCRalpha) chain in >87% of these T-cells. Here, the molecular basis for this genetic bias is revealed from the structural and thermodynamic properties of an archetypal TRAV12-2-encoded TCR complexed to the clinically relevant heteroclitic peptide, ELAGIGILTV, bound to HLA-A*0201 (A2-ELA). Unusually, the TRAV12-2 germ line-encoded regions of the TCR dominate the major atomic contacts with the peptide at the TCR/A2-ELA interface. This "innate" pattern of antigen recognition probably explains the unique characteristics and extraordinary frequencies of CD8(+) T-cell responses to this epitope.
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Affiliation(s)
- David K. Cole
- From the Department of Infection, Immunity, and Biochemistry, Henry Wellcome Building, Cardiff University School of Medicine, Heath Park, Cardiff CF14 4XN, United Kingdom
| | - Fang Yuan
- the Nuffield Department of Clinical Medicine, John Radcliffe Hospital, Oxford University, Oxford OX3 9DU, United Kingdom
| | - Pierre J. Rizkallah
- From the Department of Infection, Immunity, and Biochemistry, Henry Wellcome Building, Cardiff University School of Medicine, Heath Park, Cardiff CF14 4XN, United Kingdom
- the STFC Daresbury Laboratory, Warrington, Cheshire WA4 4AD, United Kingdom
| | - John J. Miles
- From the Department of Infection, Immunity, and Biochemistry, Henry Wellcome Building, Cardiff University School of Medicine, Heath Park, Cardiff CF14 4XN, United Kingdom
- the Cellular Immunology Laboratory, Queensland Institute of Medical Research, University of Queensland, Brisbane 4029, Australia
| | - Emma Gostick
- From the Department of Infection, Immunity, and Biochemistry, Henry Wellcome Building, Cardiff University School of Medicine, Heath Park, Cardiff CF14 4XN, United Kingdom
| | - David A. Price
- From the Department of Infection, Immunity, and Biochemistry, Henry Wellcome Building, Cardiff University School of Medicine, Heath Park, Cardiff CF14 4XN, United Kingdom
| | - George F. Gao
- the **Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China, and
| | - Bent K. Jakobsen
- Immunocore Limited, 57C Milton Park, Abingdon, Oxon OX14 4RX, United Kingdom
| | - Andrew K. Sewell
- From the Department of Infection, Immunity, and Biochemistry, Henry Wellcome Building, Cardiff University School of Medicine, Heath Park, Cardiff CF14 4XN, United Kingdom
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46
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Beck BH, Kim HG, Kim H, Samuel S, Liu Z, Shrestha R, Haines H, Zinn K, Lopez RD. Adoptively transferred ex vivo expanded gammadelta-T cells mediate in vivo antitumor activity in preclinical mouse models of breast cancer. Breast Cancer Res Treat 2009; 122:135-44. [PMID: 19763820 DOI: 10.1007/s10549-009-0527-6] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2009] [Accepted: 08/25/2009] [Indexed: 01/08/2023]
Abstract
In contrast to antigen-specific alphabeta-T cells (adaptive immune system), gammadelta-T cells can recognize and lyse malignantly transformed cells almost immediately upon encounter in a manner that does not require the recognition of tumor-specific antigens (innate immune system). Given the well-documented capacity of gammadelta-T cells to innately kill a variety of malignant cells, efforts are now actively underway to exploit the antitumor properties of gammadelta-T cells for clinical purposes. Here, we present for the first time preclinical in vivo mouse models of gammadelta-T cell-based immunotherapy directed against breast cancer. These studies were explicitly designed to approximate clinical situations in which adoptively transferred gammadelta-T cells would be employed therapeutically against breast cancer. Using radioisotope-labeled gammadelta-T cells, we first show that adoptively transferred gammadelta-T cells localize to breast tumors in a mouse model (4T1 mammary adenocarcinoma) of human breast cancer. Moreover, by using an antibody directed against the gammadelta-T cell receptor (TCR), we determined that localization of adoptively transferred gammadelta-T cells to tumor is a TCR-dependant process. Additionally, biodistribution studies revealed that adoptively transferred gammadelta-T cells traffic differently in tumor-bearing mice compared to healthy mice with fewer gammadelta-T cells localizing into the spleens of tumor-bearing mice. Finally, in both syngeneic (4T1) and xenogeneic (2Lmp) models of breast cancer, we demonstrate that adoptively transferred gammadelta-T cells are both effective against breast cancer and are otherwise well-tolerated by treated animals. These findings provide a strong preclinical rationale for using ex vivo expanded adoptively transferred gammadelta-T cells as a form of cell-based immunotherapy for the treatment of breast cancer. Additionally, these studies establish that clinically applicable methods for radiolabeling gammadelta-T cells allows for the tracking of adoptively transferred gammadelta-T cells in tumor-bearing hosts.
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Affiliation(s)
- Benjamin H Beck
- Department of Medicine, Division of Hematology and Oncology, University of Alabama at Birmingham, SHEL 571, 1825 University Boulevard, Birmingham, AL 35294, USA
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Autologous MUC1-specific Th1 effector cell immunotherapy induces differential levels of systemic TReg cell subpopulations that result in increased ovarian cancer patient survival. Clin Immunol 2009; 133:333-52. [PMID: 19762283 DOI: 10.1016/j.clim.2009.08.007] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2009] [Revised: 07/13/2009] [Accepted: 08/11/2009] [Indexed: 12/20/2022]
Abstract
Adoptive T cell immunotherapy using autologous lymphocytes is a viable treatment for patients with cancer and requires participation of Ag-specific CD4 and CD8 T cells. Here, we assessed the immunotherapeutic effects of autologous MUC1 peptide-stimulated CD4(+) effector cells following adoptive transfer in patients with ovarian cancer. Using MUC1 peptide and IL-2 for ex vivo CD4(+)/Th1 effector cell generation, we show that three monthly treatment cycles of peripheral blood T cell restimulation and intraperitoneal re-infusion selectively modulated endogenous T cell-mediated immune responses that correlated with diminished serum CA125 tumor marker levels and enhanced patient survival. One patient remains disease-free, another patient survived long-term for nearly 16 months with recurrent disease and two patients expired within 3-5 months following final infusion. Although PBL from all patients showed elevated MUC1 cytolytic activity following therapy, such responses did not correlate with therapeutic efficacy. Long-term survivors showed elevated levels of systemic memory (CD45RO) and naïve (CD45RA) CD3/CD4/CD25(+) T cells when compared to that of pre-treatment levels and similarly treated short-term survivors. Such cells co-expressed different levels of Foxp3 and CTLA-4 that resulted in progressively lower systemic Foxp3/CTLA-4 memory T cell ratios that further correlated with disease-free survival. Lastly, these patients showed elevated levels of MUC1-specific T cells expressing the CCR5 and CCR1 chemokine receptors and the chemokine CCL4 associated with Th1 cell differentiation/memory. We suggest that effective immunotherapy with autologous MUC1-stimulated CD4(+) effector cells induces differential levels of systemic "Ag-experienced" and "Ag-inexperienced" CD4/CD25(+) TReg cell subpopulations that influence long-term tumor immunity in ovarian cancer patients.
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48
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Voelkl S, Moore TV, Rehli M, Nishimura MI, Mackensen A, Fischer K. Characterization of MHC class-I restricted TCRalphabeta+ CD4- CD8- double negative T cells recognizing the gp100 antigen from a melanoma patient after gp100 vaccination. Cancer Immunol Immunother 2009; 58:709-18. [PMID: 18836718 PMCID: PMC2832593 DOI: 10.1007/s00262-008-0593-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2008] [Accepted: 09/05/2008] [Indexed: 12/18/2022]
Abstract
The immune attack against malignant tumors require the concerted action of CD8+ cytotoxic T lymphocytes (CTL) as well as CD4+ T helper cells. The contribution of T cell receptor (TCR) alphabeta+ CD4- CD8- double-negative (DN) T cells to anti-tumor immune responses is widely unknown. In previous studies, we have demonstrated that DN T cells with a broad TCR repertoire are present in humans in the peripheral blood and the lymph nodes of healthy individuals. Here, we characterize a human DN T cell clone (T4H2) recognizing an HLA-A2-restricted melanoma-associated antigenic gp100-peptide isolated from the peripheral blood of a melanoma patient. Antigen recognition by the T4H2 DN clone resulted in specific secretion of IFN-gamma and TNF. Although lacking the CD8 molecule the gp100-specific DN T cell clone was able to confer antigen-specific cytotoxicity against gp100-loaded target cells as well as HLA-A2+ gp100 expressing melanoma cells. The cytotoxic capacity was found to be perforin/granzymeB-dependent. Together, these data indicate that functionally active antigen-specific DN T cells recognizing MHC class I-restricted tumor-associated antigen (TAA) may contribute to anti-tumor immunity in vivo.
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MESH Headings
- Antigen Presentation
- Antigens, CD/analysis
- Antigens, Neoplasm/immunology
- Cancer Vaccines/immunology
- Cancer Vaccines/therapeutic use
- Cell Line, Tumor/immunology
- Clone Cells/immunology
- Clone Cells/metabolism
- Cytotoxicity, Immunologic
- Granzymes/immunology
- HLA-A2 Antigen/immunology
- Humans
- Immunophenotyping
- Immunotherapy, Active
- Interferon-gamma/metabolism
- Interleukins/metabolism
- Melanoma/blood
- Melanoma/immunology
- Melanoma/therapy
- Membrane Glycoproteins/immunology
- Perforin/immunology
- Receptors, Antigen, T-Cell, alpha-beta/analysis
- Receptors, Antigen, T-Cell, alpha-beta/immunology
- T-Lymphocyte Subsets/immunology
- T-Lymphocyte Subsets/metabolism
- T-Lymphocytes, Cytotoxic/immunology
- T-Lymphocytes, Cytotoxic/metabolism
- Tumor Necrosis Factor-alpha/metabolism
- gp100 Melanoma Antigen
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Affiliation(s)
- Simon Voelkl
- Department of Internal Medicine 5, Hematology/Oncology, University of Erlangen-Nuernberg, Krankenhausstrasse 12, 91054 Erlangen, Germany
- Department of Hematology and Oncology, University of Regensburg, 93042 Regensburg, Germany
| | - Tamson V. Moore
- Department of Surgery, The University of Chicago, Chicago, IL 60637 USA
| | - Michael Rehli
- Department of Hematology and Oncology, University of Regensburg, 93042 Regensburg, Germany
| | - Michael I. Nishimura
- Department of Surgery, The University of Chicago, Chicago, IL 60637 USA
- Departments of Surgery and Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425 USA
| | - Andreas Mackensen
- Department of Internal Medicine 5, Hematology/Oncology, University of Erlangen-Nuernberg, Krankenhausstrasse 12, 91054 Erlangen, Germany
- Department of Hematology and Oncology, University of Regensburg, 93042 Regensburg, Germany
| | - Karin Fischer
- Department of Hematology and Oncology, University of Regensburg, 93042 Regensburg, Germany
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49
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Bricard G, Cesson V, Devevre E, Bouzourene H, Barbey C, Rufer N, Im JS, Alves PM, Martinet O, Halkic N, Cerottini JC, Romero P, Porcelli SA, Macdonald HR, Speiser DE. Enrichment of human CD4+ V(alpha)24/Vbeta11 invariant NKT cells in intrahepatic malignant tumors. THE JOURNAL OF IMMUNOLOGY 2009; 182:5140-51. [PMID: 19342695 DOI: 10.4049/jimmunol.0711086] [Citation(s) in RCA: 81] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Invariant NKT cells (iNKT cells) recognize glycolipid Ags via an invariant TCR alpha-chain and play a central role in various immune responses. Although human CD4(+) and CD4(-) iNKT cell subsets both produce Th1 cytokines, the CD4(+) subset displays an enhanced ability to secrete Th2 cytokines and shows regulatory activity. We performed an ex vivo analysis of blood, liver, and tumor iNKT cells from patients with hepatocellular carcinoma and metastases from uveal melanoma or colon carcinoma. Frequencies of Valpha24/Vbeta11 iNKT cells were increased in tumors, especially in patients with hepatocellular carcinoma. The proportions of CD4(+), double negative, and CD8alpha(+) iNKT cell subsets in the blood of patients were similar to those of healthy donors. However, we consistently found that the proportion of CD4(+) iNKT cells increased gradually from blood to liver to tumor. Furthermore, CD4(+) iNKT cell clones generated from healthy donors were functionally distinct from their CD4(-) counterparts, exhibiting higher Th2 cytokine production and lower cytolytic activity. Thus, in the tumor microenvironment the iNKT cell repertoire is modified by the enrichment of CD4(+) iNKT cells, a subset able to generate Th2 cytokines that can inhibit the expansion of tumor Ag-specific CD8(+) T cells. Because CD4(+) iNKT cells appear inefficient in tumor defense and may even favor tumor growth and recurrence, novel iNKT-targeted therapies should restore CD4(-) iNKT cells at the tumor site and specifically induce Th1 cytokine production from all iNKT cell subsets.
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Affiliation(s)
- Gabriel Bricard
- Division of Clinical Onco-Immunology, Ludwig Institute for Cancer Research, Lausanne Branch, Lausanne, Switzerland
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Differential Responsiveness to IL-2, IL-7, and IL-15 Common Receptor γ Chain Cytokines by Antigen-specific Peripheral Blood Naive or Memory Cytotoxic CD8+ T Cells From Healthy Donors and Melanoma Patients. J Immunother 2009; 32:252-61. [DOI: 10.1097/cji.0b013e3181998e03] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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