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Litjens NHR, van der List ACJ, Klepper M, Prevoo F, Boer K, Hesselink DA, Betjes MGH. Polyfunctional donor-reactive T cells are associated with acute T-cell-mediated rejection of the kidney transplant. Clin Exp Immunol 2023; 213:371-383. [PMID: 37070703 PMCID: PMC10571010 DOI: 10.1093/cei/uxad041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 02/08/2023] [Accepted: 04/11/2023] [Indexed: 04/19/2023] Open
Abstract
Acute T-cell-mediated rejection (aTCMR) still remains a clinical problem after kidney transplantation despite significant improvements in immunosuppressive regimens. Polyfunctional T cells, i.e. T cells producing multiple pro-inflammatory cytokines, are believed to be the most relevant T cells in an immune response. The aim of this study was to determine whether polyfunctional donor-reactive T cells are associated with aTCMR. In a case-control study, 49 kidney transplant recipients with a biopsy-proven aTCMR in the first year after transplantation were included, as well as 51 controls without aTCMR. Circulating donor-reactive T cells were identified by the expression of CD137 after short-term co-culture with donor antigen-presenting cells. Polyfunctional donor-reactive T cells were further characterized by dissection into different T-cell subsets encompassing the spectrum of naïve to terminally differentiated effector T cells. Prior to kidney transplantation, proportions of donor-reactive CD4+ (0.03% versus 0.02%; P < 0.01) and CD8+ (0.18% versus 0.10%; P < 0.01) CD137++ T cells were significantly higher in recipients with a biopsy-proven aTCMR versus non-rejectors. Polyfunctionality was higher (P = 0.03) in this subset of CD137-expressing T cells. These cells were predominantly of the EM/EMRA-phenotype, with polyfunctional donor-reactive CD137++CD4+ T cells predominantly co-expressing CD28 whereas approximately half of the polyfunctional CD137++CD8+ T cells co-expressed CD28. In addition, at the time of aTCMR, polyfunctional donor-reactive CD137++ CD4+, but not CD8+, T cells, were specifically decreased by 75% compared to before transplantation in recipients with as well as those without an aTCMR. Prior to transplantation, the proportion of polyfunctional donor-reactive CD137++ T cells is associated with the occurrence of a biopsy-proven aTCMR within the first year after transplantation.
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Affiliation(s)
- Nicolle H R Litjens
- Erasmus MC Transplant Institute, Department of Internal Medicine, Division of Nephrology and Transplantation, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Amy C J van der List
- Erasmus MC Transplant Institute, Department of Internal Medicine, Division of Nephrology and Transplantation, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Mariska Klepper
- Erasmus MC Transplant Institute, Department of Internal Medicine, Division of Nephrology and Transplantation, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Fréderique Prevoo
- Erasmus MC Transplant Institute, Department of Internal Medicine, Division of Nephrology and Transplantation, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Karin Boer
- Erasmus MC Transplant Institute, Department of Internal Medicine, Division of Nephrology and Transplantation, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Dennis A Hesselink
- Erasmus MC Transplant Institute, Department of Internal Medicine, Division of Nephrology and Transplantation, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Michiel G H Betjes
- Erasmus MC Transplant Institute, Department of Internal Medicine, Division of Nephrology and Transplantation, University Medical Center Rotterdam, Rotterdam, The Netherlands
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Chen Y, Zhu Y, Kramer A, Fang Y, Wilson M, Li YR, Yang L. Genetic engineering strategies to enhance antitumor reactivity and reduce alloreactivity for allogeneic cell-based cancer therapy. Front Med (Lausanne) 2023; 10:1135468. [PMID: 37064017 PMCID: PMC10090359 DOI: 10.3389/fmed.2023.1135468] [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: 12/31/2022] [Accepted: 03/09/2023] [Indexed: 03/31/2023] Open
Abstract
The realm of cell-based immunotherapy holds untapped potential for the development of next-generation cancer treatment through genetic engineering of chimeric antigen receptor (CAR)-engineered T (CAR-T) cell therapies for targeted eradication of cancerous malignancies. Such allogeneic "off-the-shelf" cell products can be advantageously manufactured in large quantities, stored for extended periods, and easily distributed to treat an exponential number of cancer patients. At current, patient risk of graft-versus-host disease (GvHD) and host-versus-graft (HvG) allorejection severely restrict the development of allogeneic CAR-T cell products. To address these limitations, a variety of genetic engineering strategies have been implemented to enhance antitumor efficacy, reduce GvHD and HvG onset, and improve the overall safety profile of T-cell based immunotherapies. In this review, we summarize these genetic engineering strategies and discuss the challenges and prospects these approaches provide to expedite progression of translational and clinical studies for adoption of a universal cell-based cancer immunotherapy.
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Affiliation(s)
- Yuning Chen
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles, Los Angeles, CA, United States
| | - Yichen Zhu
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles, Los Angeles, CA, United States
| | - Adam Kramer
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles, Los Angeles, CA, United States
| | - Ying Fang
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles, Los Angeles, CA, United States
| | - Matthew Wilson
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles, Los Angeles, CA, United States
| | - Yan-Ruide Li
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles, Los Angeles, CA, United States
| | - Lili Yang
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles, Los Angeles, CA, United States
- Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research, University of California, Los Angeles, Los Angeles, CA, United States
- Jonsson Comprehensive Cancer Center, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
- Molecular Biology Institute, University of California, Los Angeles, Los Angeles, CA, United States
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3
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Draghi A, Chamberlain CA, Khan S, Papp K, Lauss M, Soraggi S, Radic HD, Presti M, Harbst K, Gokuldass A, Kverneland A, Nielsen M, Westergaard MCW, Andersen MH, Csabai I, Jönsson G, Szallasi Z, Svane IM, Donia M. Rapid Identification of the Tumor-Specific Reactive TIL Repertoire via Combined Detection of CD137, TNF, and IFNγ, Following Recognition of Autologous Tumor-Antigens. Front Immunol 2021; 12:705422. [PMID: 34707600 PMCID: PMC8543011 DOI: 10.3389/fimmu.2021.705422] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 09/23/2021] [Indexed: 11/13/2022] Open
Abstract
Detecting the entire repertoire of tumor-specific reactive tumor-infiltrating lymphocytes (TILs) is essential for investigating their immunological functions in the tumor microenvironment. Current in vitro assays identifying tumor-specific functional activation measure the upregulation of surface molecules, de novo production of antitumor cytokines, or mobilization of cytotoxic granules following recognition of tumor-antigens, yet there is no widely adopted standard method. Here we established an enhanced, yet simple, method for identifying simultaneously CD8+ and CD4+ tumor-specific reactive TILs in vitro, using a combination of widely known and available flow cytometry assays. By combining the detection of intracellular CD137 and de novo production of TNF and IFNγ after recognition of naturally-presented tumor antigens, we demonstrate that a larger fraction of tumor-specific and reactive CD8+ TILs can be detected in vitro compared to commonly used assays. This assay revealed multiple polyfunctionality-based clusters of both CD4+ and CD8+ tumor-specific reactive TILs. In situ, the combined detection of TNFRSF9, TNF, and IFNG identified most of the tumor-specific reactive TIL repertoire. In conclusion, we describe a straightforward method for efficient identification of the tumor-specific reactive TIL repertoire in vitro, which can be rapidly adopted in most cancer immunology laboratories.
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Affiliation(s)
- Arianna Draghi
- National Center for Cancer Immune Therapy (CCIT-DK), Department of Oncology, Copenhagen University Hospital, Herlev, Denmark
| | - Christopher Aled Chamberlain
- National Center for Cancer Immune Therapy (CCIT-DK), Department of Oncology, Copenhagen University Hospital, Herlev, Denmark
| | - Shawez Khan
- National Center for Cancer Immune Therapy (CCIT-DK), Department of Oncology, Copenhagen University Hospital, Herlev, Denmark
| | - Krisztian Papp
- Department of Physics of Complex Systems, ELTE Eötvös Loránd University, Budapest, Hungary
| | - Martin Lauss
- Division of Oncology and Pathology, Department of Clinical Sciences Lund, Faculty of Medicine, Lund University, Lund, Sweden
- Lund University Cancer Centre, Lund University, Lund, Sweden
| | - Samuele Soraggi
- Bioinformatics Research Center, Aarhus University, Aarhus, Denmark
| | - Haja Dominike Radic
- National Center for Cancer Immune Therapy (CCIT-DK), Department of Oncology, Copenhagen University Hospital, Herlev, Denmark
| | - Mario Presti
- National Center for Cancer Immune Therapy (CCIT-DK), Department of Oncology, Copenhagen University Hospital, Herlev, Denmark
| | - Katja Harbst
- Division of Oncology and Pathology, Department of Clinical Sciences Lund, Faculty of Medicine, Lund University, Lund, Sweden
- Lund University Cancer Centre, Lund University, Lund, Sweden
| | - Aishwarya Gokuldass
- National Center for Cancer Immune Therapy (CCIT-DK), Department of Oncology, Copenhagen University Hospital, Herlev, Denmark
| | - Anders Kverneland
- National Center for Cancer Immune Therapy (CCIT-DK), Department of Oncology, Copenhagen University Hospital, Herlev, Denmark
| | - Morten Nielsen
- National Center for Cancer Immune Therapy (CCIT-DK), Department of Oncology, Copenhagen University Hospital, Herlev, Denmark
| | | | - Mads Hald Andersen
- National Center for Cancer Immune Therapy (CCIT-DK), Department of Oncology, Copenhagen University Hospital, Herlev, Denmark
| | - Istvan Csabai
- Department of Physics of Complex Systems, ELTE Eötvös Loránd University, Budapest, Hungary
| | - Göran Jönsson
- Division of Oncology and Pathology, Department of Clinical Sciences Lund, Faculty of Medicine, Lund University, Lund, Sweden
- Lund University Cancer Centre, Lund University, Lund, Sweden
| | | | - Inge Marie Svane
- National Center for Cancer Immune Therapy (CCIT-DK), Department of Oncology, Copenhagen University Hospital, Herlev, Denmark
| | - Marco Donia
- National Center for Cancer Immune Therapy (CCIT-DK), Department of Oncology, Copenhagen University Hospital, Herlev, Denmark
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CD137 + T-Cells: Protagonists of the Immunotherapy Revolution. Cancers (Basel) 2021; 13:cancers13030456. [PMID: 33530328 PMCID: PMC7866028 DOI: 10.3390/cancers13030456] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 01/06/2021] [Accepted: 01/23/2021] [Indexed: 12/31/2022] Open
Abstract
Simple Summary The CD137 receptor is expressed by activated antigen-specific T-cells. CD137+ T-cells were identified inside TILs and PBMCs of different tumor types and have proven to be the naturally occurring antitumor effector cells, capable of expressing a wide variability in terms of TCR specificity against both shared and neoantigenic tumor-derived peptides. The aim of this review is thus summarizing and highlighting their role as drivers of patients’ immune responses in anticancer therapies as well as their potential role in future and current strategies of immunotherapy. Abstract The CD137 receptor (4-1BB, TNF RSF9) is an activation induced molecule expressed by antigen-specific T-cells. The engagement with its ligand, CD137L, is capable of increasing T-cell survival, proliferation, and cytokine production. This allowed to identify the CD137+ T-cells as the real tumor-specific activated T-cell population. In fact, these cells express various TCRs that are specific for a wide range of tumor-derived peptides, both shared and neoantigenic ones. Moreover, their prevalence in sites close to the tumor and their unicity in killing cancer cells both in vitro and in vivo, raised particular interest in studying their potential role in different strategies of immunotherapy. They indeed showed to be a reliable marker able to predict patient’s outcome to immune-based therapies as well as monitor their response. In addition, the possibility of isolating and expanding this population, turned promising in order to generate effector antitumor T-cells in the context of adoptive T-cell therapies. CD137-targeting monoclonal antibodies have already shown their antitumor efficacy in cancer patients and a number of clinical trials are thus ongoing to test their possible introduction in different combination approaches of immunotherapy. Finally, the intracellular domain of the CD137 receptor was introduced in the anti-CD19 CAR-T cells that were approved by FDA for the treatment of pediatric B-cell leukemia and refractory B-cell lymphoma.
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Kagoya Y, Guo T, Yeung B, Saso K, Anczurowski M, Wang CH, Murata K, Sugata K, Saijo H, Matsunaga Y, Ohashi Y, Butler MO, Hirano N. Genetic Ablation of HLA Class I, Class II, and the T-cell Receptor Enables Allogeneic T Cells to Be Used for Adoptive T-cell Therapy. Cancer Immunol Res 2020; 8:926-936. [PMID: 32321775 DOI: 10.1158/2326-6066.cir-18-0508] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 03/08/2019] [Accepted: 04/16/2020] [Indexed: 11/16/2022]
Abstract
Adoptive immunotherapy can induce sustained therapeutic effects in some cancers. Antitumor T-cell grafts are often individually prepared in vitro from autologous T cells, which requires an intensive workload and increased costs. The quality of the generated T cells can also be variable, which affects the therapy's antitumor efficacy and toxicity. Standardized production of antitumor T-cell grafts from third-party donors will enable widespread use of this modality if allogeneic T-cell responses are effectively controlled. Here, we generated HLA class I, HLA class II, and T-cell receptor (TCR) triple-knockout (tKO) T cells by simultaneous knockout of the B2M, CIITA, and TRAC genes through Cas9/sgRNA ribonucleoprotein electroporation. Although HLA-deficient T cells were targeted by natural killer cells, they persisted better than HLA-sufficient T cells in the presence of allogeneic peripheral blood mononuclear cells (PBMC) in immunodeficient mice. When transduced with a CD19 chimeric antigen receptor (CAR) and stimulated by tumor cells, tKO CAR-T cells persisted better when cultured with allogeneic PBMCs compared with TRAC and B2M double-knockout T cells. The CD19 tKO CAR-T cells did not induce graft-versus-host disease but retained antitumor responses. These results demonstrated the benefit of HLA class I, HLA class II, and TCR deletion in enabling allogeneic-sourced T cells to be used for off-the-shelf adoptive immunotherapy.
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Affiliation(s)
- Yuki Kagoya
- Tumor Immunotherapy Program, Campbell Family Institute for Breast Cancer Research, Campbell Family Cancer Research Institute, Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada.,Division of Immune Response, Aichi Cancer Center Research Institute, Nagoya, Japan
| | - Tingxi Guo
- Tumor Immunotherapy Program, Campbell Family Institute for Breast Cancer Research, Campbell Family Cancer Research Institute, Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
| | - Brian Yeung
- Tumor Immunotherapy Program, Campbell Family Institute for Breast Cancer Research, Campbell Family Cancer Research Institute, Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada.,Department of Immunology, University of Toronto, Toronto, Ontario, Canada
| | - Kayoko Saso
- Tumor Immunotherapy Program, Campbell Family Institute for Breast Cancer Research, Campbell Family Cancer Research Institute, Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
| | - Mark Anczurowski
- Tumor Immunotherapy Program, Campbell Family Institute for Breast Cancer Research, Campbell Family Cancer Research Institute, Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada.,Department of Immunology, University of Toronto, Toronto, Ontario, Canada
| | - Chung-Hsi Wang
- Tumor Immunotherapy Program, Campbell Family Institute for Breast Cancer Research, Campbell Family Cancer Research Institute, Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada.,Department of Immunology, University of Toronto, Toronto, Ontario, Canada
| | - Kenji Murata
- Tumor Immunotherapy Program, Campbell Family Institute for Breast Cancer Research, Campbell Family Cancer Research Institute, Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
| | - Kenji Sugata
- Tumor Immunotherapy Program, Campbell Family Institute for Breast Cancer Research, Campbell Family Cancer Research Institute, Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
| | - Hiroshi Saijo
- Tumor Immunotherapy Program, Campbell Family Institute for Breast Cancer Research, Campbell Family Cancer Research Institute, Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
| | - Yukiko Matsunaga
- Tumor Immunotherapy Program, Campbell Family Institute for Breast Cancer Research, Campbell Family Cancer Research Institute, Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
| | - Yota Ohashi
- Tumor Immunotherapy Program, Campbell Family Institute for Breast Cancer Research, Campbell Family Cancer Research Institute, Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada.,Department of Immunology, University of Toronto, Toronto, Ontario, Canada
| | - Marcus O Butler
- Tumor Immunotherapy Program, Campbell Family Institute for Breast Cancer Research, Campbell Family Cancer Research Institute, Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada.,Department of Immunology, University of Toronto, Toronto, Ontario, Canada.,Department of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Naoto Hirano
- Tumor Immunotherapy Program, Campbell Family Institute for Breast Cancer Research, Campbell Family Cancer Research Institute, Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada. .,Department of Immunology, University of Toronto, Toronto, Ontario, Canada
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6
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Full donor chimerism without graft-versus-host disease: the key factor for maximum benefit of pre-emptive donor lymphocyte infusions (pDLI). Bone Marrow Transplant 2019; 55:562-569. [PMID: 31558789 DOI: 10.1038/s41409-019-0695-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 07/15/2019] [Accepted: 08/05/2019] [Indexed: 11/08/2022]
Abstract
Compared to standard-conditioned regimens, reduced-intensity conditioning and T-cell depletion deliver lower transplant-related mortality and decreased graft-vs-host disease after allogeneic hematopoietic stem-cell transplantation. These advantages may however be mitigated by increased relapse rates and delays in achievement of full donor chimerism (FDC). Pre-emptive donor lymphocyte infusions (pDLI) facilitate the conversion of mixed (MDC) to FDC. However, there is a lack of published data on the risk/benefit analysis of this intervention. We performed a retrospective analysis of 119 patients who received 276 pDLI doses for falling CD3 chimerism, CD3 < 50% or mixed XX/XY karyotype. 71/119(60%) Patients achieved FDC, with only one reverting to MDC. Cumulative incidence (CI) of relapse at 5 years was significantly lower in the FDC group (16.0 vs 41.4%, p < 0.001). Those patients who achieved FDC had improved EFS (p < 0.001) and OS (p < 0.001). Interestingly, patients with FDC who developed DLI-induced graft-vs-host disease (GvHD) showed a similar outcome to those with MDC. The majority of patients who receive pDLI convert to FDC and retain that status. Achievement of FDC after pDLI impacts on survival, and those patients who achieve FDC without GvHD, experience maximum clinical benefit. Strategies to minimise DLI-induced GvHD should be considered to maximise the therapeutic potential of this intervention.
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7
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Audehm S, Glaser M, Pecoraro M, Bräunlein E, Mall S, Klar R, Effenberger M, Albers J, Bianchi HDO, Peper J, Yusufi N, Busch DH, Stevanović S, Mann M, Antes I, Krackhardt AM. Key Features Relevant to Select Antigens and TCR From the MHC-Mismatched Repertoire to Treat Cancer. Front Immunol 2019; 10:1485. [PMID: 31316521 PMCID: PMC6611213 DOI: 10.3389/fimmu.2019.01485] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Accepted: 06/13/2019] [Indexed: 11/13/2022] Open
Abstract
Adoptive transfer of T cells transgenic for tumor-reactive T-cell receptors (TCR) is an attractive immunotherapeutic approach. However, clinical translation is so far limited due to challenges in the identification of suitable target antigens as well as TCRs that are concurrent safe and efficient. Definition of key characteristics relevant for effective and specific tumor rejection is essential to improve current TCR-based adoptive T-cell immunotherapies. We here characterized in-depth two TCRs derived from the human leukocyte antigen (HLA)-mismatched allogeneic repertoire targeting two different myeloperoxidase (MPO)-derived peptides presented by the same HLA-restriction element side by side comprising state of the art biochemical and cellular in vitro, in vivo, and in silico experiments. In vitro experiments reveal comparable functional avidities, off-rates, and cytotoxic activities for both TCRs. However, we observed differences especially with respect to cytokine secretion and cross-reactivity as well as in vivo activity. Biochemical and in silico analyses demonstrate different binding qualities of MPO-peptides to the HLA-complex determining TCR qualities. We conclude from our biochemical and in silico analyses of peptide-HLA-binding that rigid and high-affinity binding of peptides is one of the most important factors for isolation of TCRs with high specificity and tumor rejection capacity from the MHC-mismatched repertoire. Based on our results, we developed a workflow for selection of such TCRs with high potency and safety profile suitable for clinical translation.
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Affiliation(s)
- Stefan Audehm
- Klinik und Poliklinik für Innere Medizin III, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Manuel Glaser
- Center for Integrated Protein Science at the Department for Biosciences, Technische Universität München, Freising, Germany
| | - Matteo Pecoraro
- Department of Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, Martinsried, Germany
| | - Eva Bräunlein
- Klinik und Poliklinik für Innere Medizin III, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Sabine Mall
- Klinik und Poliklinik für Innere Medizin III, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Richard Klar
- Klinik und Poliklinik für Innere Medizin III, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Manuel Effenberger
- Institut für Medizinische Mikrobiologie, Immunologie und Hygiene, Technische Universität München, Munich, Germany
| | - Julian Albers
- Klinik und Poliklinik für Innere Medizin III, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Henrique de Oliveira Bianchi
- Klinik und Poliklinik für Innere Medizin III, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Janet Peper
- Eberhard Karls University Tübingen, Interfaculty Institute for Cell Biology, Tübingen, Germany
| | - Nahid Yusufi
- Nuklearmedizin, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Dirk H Busch
- Institut für Medizinische Mikrobiologie, Immunologie und Hygiene, Technische Universität München, Munich, Germany
| | - Stefan Stevanović
- Eberhard Karls University Tübingen, Interfaculty Institute for Cell Biology, Tübingen, Germany.,Partner Site Tübingen, German Cancer Consortium (DKTK), Tübingen, Germany
| | - Matthias Mann
- Department of Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, Martinsried, Germany
| | - Iris Antes
- Center for Integrated Protein Science at the Department for Biosciences, Technische Universität München, Freising, Germany
| | - Angela M Krackhardt
- Klinik und Poliklinik für Innere Medizin III, Klinikum rechts der Isar, Technische Universität München, Munich, Germany.,Partner Site Munich, German Cancer Consortium (DKTK), Munich, Germany.,German Cancer Research Center (DKFZ), Heidelberg, Germany
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8
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Laghmouchi A, Hoogstraten C, van Balen P, Falkenburg JHF, Jedema I. The allogeneic HLA-DP-restricted T-cell repertoire provoked by allogeneic dendritic cells contains T cells that show restricted recognition of hematopoietic cells including primary malignant cells. Haematologica 2018; 104:197-206. [PMID: 30237261 PMCID: PMC6312030 DOI: 10.3324/haematol.2018.193680] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Accepted: 08/17/2018] [Indexed: 01/09/2023] Open
Abstract
Stem cell grafts from 10/10 HLA-matched unrelated donors are often mismatched for HLA-DP. In some patients, donor T-cell responses targeting the mismatched HLA-DP allele(s) have been found to induce a specific graft-versus-leukemia effect without coinciding graft-versus-host disease, whereas in other cases significant graft-versus-host disease occurred. Cell-lineage-specific recognition patterns within the allogeneic HLA-DP-specific donor T-cell repertoire could explain the differential clinical effects mediated by donor T cells after HLA-DP-mismatched allogeneic stem cell transplantation. To unravel the composition of the HLA-DP T-cell repertoire, donor T-cell responses were provoked by in vitro stimulation with allogeneic HLA-DP-mismatched monocyte-derived dendritic cells. A strategy including depletion of reactivity against autologous dendritic cells allowed efficient identification and enrichment of allo-reactive T cells upon stimulation with HLA-DP-mismatched dendritic cells. In this study we elucidated that the allogeneic HLA-DP-restricted T-cell repertoire contained T cells with differential cell-lineage-specific recognition profiles. As expected, some of the allogeneic HLA-DP-restricted T cells showed broad recognition of a variety of hematopoietic and non-hematopoietic cell types expressing the targeted mismatched HLA-DP allele. However, a significant proportion of the allogeneic HLA-DP-restricted T cells showed restricted recognition of hematopoietic cells, including primary malignant cells, or even restricted recognition of only myeloid cells, including dendritic cells and primary acute myeloid leukemia samples, but not of other hematopoietic and non-hematopoietic cell types. These data demonstrate that the allogeneic HLA-DP-specific T-cell repertoire contains T cells that show restricted recognition of hematopoietic cells, which may contribute to the specific graft-versus-leukemia effect without coinciding graft-versus-host disease.
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Affiliation(s)
- Aicha Laghmouchi
- Department of Hematology, Leiden University Medical Center, Leiden, the Netherlands
| | - Conny Hoogstraten
- Department of Hematology, Leiden University Medical Center, Leiden, the Netherlands
| | - Peter van Balen
- Department of Hematology, Leiden University Medical Center, Leiden, the Netherlands
| | | | - Inge Jedema
- Department of Hematology, Leiden University Medical Center, Leiden, the Netherlands
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9
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Pre-Emptive Immunotherapy for Clearance of Molecular Disease in Childhood Acute Lymphoblastic Leukemia after Transplantation. Biol Blood Marrow Transplant 2016; 23:87-95. [PMID: 27742575 DOI: 10.1016/j.bbmt.2016.10.006] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Accepted: 10/07/2016] [Indexed: 12/21/2022]
Abstract
Monitoring of minimal residual disease (MRD) or chimerism may help guide pre-emptive immunotherapy (IT) with a view to preventing relapse in childhood acute lymphoblastic leukemia (ALL) after transplantation. Patients with ALL who consecutively underwent transplantation in Frankfurt/Main, Germany between January 1, 2005 and July 1, 2014 were included in this retrospective study. Chimerism monitoring was performed in all, and MRD assessment was performed in 58 of 89 patients. IT was guided in 19 of 24 patients with mixed chimerism (MC) and MRD and by MRD only in another 4 patients with complete chimerism (CC). The 3-year probabilities of event-free survival (EFS) were .69 ± .06 for the cohort without IT and .69 ± .10 for IT patients. Incidences of relapse (CIR) and treatment-related mortality (CITRM) were equally distributed between both cohorts (without IT: 3-year CIR, .21 ± .05, 3-year CITRM, .10 ± .04; IT patients: 3-year CIR, .18 ± .09, 3-year CITRM .13 ± .07). Accordingly, 3-year EFS and 3-year CIR were similar in CC and MC patients with IT, whereas MC patients without IT experienced relapse. IT was neither associated with an enhanced immune recovery nor an increased risk for acute graft-versus-host disease. Relapse prevention by IT in patients at risk may lead to the same favorable outcome as found in CC and MRD-negative-patients. This underlines the importance of excellent MRD and chimerism monitoring after transplantation as the basis for IT to improve survival in childhood ALL.
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10
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Jin X, Wu RM, Zhao MF. [Donor- derived CD19 chimeric antigen receptor T cells for relapsed B cell malignancies after allogeneic hematopoietic stem cell transplantations]. ZHONGHUA XUE YE XUE ZA ZHI = ZHONGHUA XUEYEXUE ZAZHI 2016; 37:725-8. [PMID: 27587261 PMCID: PMC7348526 DOI: 10.3760/cma.j.issn.0253-2727.2016.08.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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11
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Abstract
PURPOSE OF REVIEW As immunotherapy matures into possible front-line therapy, new approaches are necessary to expand the capacity to treat more patients. Although most technologies for chimeric antigen receptor (CAR) therapies require autologous T cells, 'off the shelf' sources are highly desired. RECENT FINDINGS Sources of T cells for modification with CARs include cord blood and either related or unrelated allogeneic donors. Strategies to manipulate these sources focus on reducing the risk of alloreactivity, while maintaining the potential for high function and long persistence associated with successful CAR T-cell therapies. SUMMARY Recent research implies that manipulating nonautologous T-cell sources can result in well tolerated and effective products, but work remains to determine if these approaches will reach the efficacy of autologous products.
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12
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Torikai H, Cooper LJ. Translational Implications for Off-the-shelf Immune Cells Expressing Chimeric Antigen Receptors. Mol Ther 2016; 24:1178-86. [PMID: 27203439 DOI: 10.1038/mt.2016.106] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Accepted: 04/28/2016] [Indexed: 12/14/2022] Open
Abstract
Chimeric antigen receptor (CAR) endows specificity to T-cells independent of human leukocyte antigen (HLA). This enables one immunoreceptor to directly target the same surface antigen on different subsets of tumor cells from multiple HLA-disparate recipients. Most approaches manufacture individualized CAR(+)T-cells from the recipient or HLA-compatible donor, which are revealing promising clinical results. This is the impetus to broaden the number of patients eligible to benefit from adoptive immunotherapy such as to infuse third-party donor derived CAR(+)T-cells. This will overcome issues associated with (i) time to manufacture T-cells, (ii) cost to generate one product for one patient, (iii) inability to generate a product from lymphopenic patients or patient's immune cells fail to complete the manufacturing process, and (iv) heterogeneity of T-cell products produced for or from individual recipients. Establishing a biobank of allogeneic genetically modified immune cells from healthy third-party donors, which are cryopreserved and validated in advance of administration, will facilitate the centralizing manufacturing and widespread distribution of CAR(+)T-cells to multiple points-of-care in a timely manner. To achieve this, it is necessary to engineer an effective strategy to avoid deleterious allogeneic immune responses leading to toxicity and rejection. We review the strategies to establish "off-the-shelf" donor-derived biobanks for human application of CAR(+)T-cells as a drug.
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Affiliation(s)
- Hiroki Torikai
- Division of Pediatrics, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Laurence Jn Cooper
- Division of Pediatrics, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.,Ziopharm Oncology Inc., Boston, Massachusetts, USA
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13
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Holler A, Zech M, Ghorashian S, Pike R, Hotblack A, Veliça P, Xue SA, Chakraverty R, Morris EC, Stauss HJ. Expression of a dominant T-cell receptor can reduce toxicity and enhance tumor protection of allogeneic T-cell therapy. Haematologica 2016; 101:482-90. [PMID: 26802053 PMCID: PMC5004405 DOI: 10.3324/haematol.2015.132712] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2015] [Accepted: 01/13/2016] [Indexed: 11/09/2022] Open
Abstract
Due to the lack of specificity for tumor antigens, allogeneic T-cell therapy is associated with graft-versus-host disease. Enhancing the anti-tumor specificity while reducing the graft-versus-host disease risk of allogeneic T cells has remained a research focus. In this study, we demonstrate that the introduction of 'dominant' T-cell receptors into primary murine T cells can suppress the expression of endogenous T-cell receptors in a large proportion of the gene-modified T cells. Adoptive transfer of allogeneic T cells expressing a 'dominant' T-cell receptor significantly reduced the graft-versus-host toxicity in recipient mice. Using two bone marrow transplant models, enhanced anti-tumor activity was observed in the presence of reduced graft-versus-host disease. However, although transfer of T-cell receptor gene-modified allogeneic T cells resulted in the elimination of antigen-positive tumor cells and improved the survival of treated mice, it was associated with accumulation of T cells expressing endogenous T-cell receptors and the development of delayed graft-versus-host disease. The in-vivo deletion of the engineered T cells, mediated by endogenous mouse mammary tumor virus MTV8 and MTV9, abolished graft-versus-host disease while retaining significant anti-tumor activity of adoptively transferred T cells. Together, this study shows that the in-vitro selection of allogeneic T cells expressing high levels of a 'dominant' T-cell receptor can lower acute graft-versus-host disease and enhance anti-tumor activity of adoptive cell therapy, while the in-vivo outgrowth of T cells expressing endogenous T-cell receptors remains a risk factor for the delayed onset of graft-versus-host disease.
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MESH Headings
- Animals
- Bone Marrow Transplantation/methods
- Cell Line, Tumor
- Female
- Gene Expression
- Genes, Dominant
- Genetic Vectors/immunology
- Graft vs Host Disease/genetics
- Graft vs Host Disease/immunology
- Graft vs Host Disease/pathology
- Graft vs Host Disease/prevention & control
- Humans
- Immunotherapy, Adoptive/methods
- Lymphocyte Depletion/methods
- Mammary Tumor Virus, Mouse/genetics
- Mammary Tumor Virus, Mouse/immunology
- Mice
- Mice, Inbred BALB C
- Mice, Inbred C57BL
- Mice, Inbred DBA
- Receptors, Antigen, T-Cell/genetics
- Receptors, Antigen, T-Cell/immunology
- Survival Analysis
- T-Lymphocytes/cytology
- T-Lymphocytes/immunology
- T-Lymphocytes/transplantation
- Transgenes
- Transplantation, Homologous
- Whole-Body Irradiation
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Affiliation(s)
- Angelika Holler
- Institute of Immunity and Transplantation, UCL Division of Infection and Immunity, University College London, Royal Free Hospital London
| | - Mathias Zech
- Institute of Immunity and Transplantation, UCL Division of Infection and Immunity, University College London, Royal Free Hospital London
| | - Sara Ghorashian
- Institute of Immunity and Transplantation, UCL Division of Infection and Immunity, University College London, Royal Free Hospital London
| | - Rebecca Pike
- Institute of Immunity and Transplantation, UCL Division of Infection and Immunity, University College London, Royal Free Hospital London
| | - Alastair Hotblack
- Institute of Immunity and Transplantation, UCL Division of Infection and Immunity, University College London, Royal Free Hospital London
| | - Pedro Veliça
- Institute of Immunity and Transplantation, UCL Division of Infection and Immunity, University College London, Royal Free Hospital London
| | - Shao-An Xue
- Institute of Immunity and Transplantation, UCL Division of Infection and Immunity, University College London, Royal Free Hospital London
| | - Ronjon Chakraverty
- Institute of Immunity and Transplantation, UCL Division of Infection and Immunity, University College London, Royal Free Hospital London Department of Haematology, Cancer Institute, University College London, UK
| | - Emma C Morris
- Institute of Immunity and Transplantation, UCL Division of Infection and Immunity, University College London, Royal Free Hospital London
| | - Hans J Stauss
- Institute of Immunity and Transplantation, UCL Division of Infection and Immunity, University College London, Royal Free Hospital London
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14
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Li Pira G, Di Cecca S, Montanari M, Moretta L, Manca F. Specific removal of alloreactive T-cells to prevent GvHD in hemopoietic stem cell transplantation: rationale, strategies and perspectives. Blood Rev 2016; 30:297-307. [PMID: 27066851 DOI: 10.1016/j.blre.2016.03.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2015] [Revised: 02/06/2016] [Accepted: 03/08/2016] [Indexed: 01/05/2023]
Abstract
Hemopoietic stem cell transplantation (HSCT) is a standard procedure for treatment of malignant and non-malignant hematological diseases. HSCT donors include HLA-identical siblings, matched or mismatched unrelated donors and haploidentical related donors. Graft-versus-host disease (GvHD), mediated by donor alloreactive T-cells in the graft, can be triggered by minor histocompatibility antigens in HLA-identical pairs, by alleles at loci not considered for MUD-matching or by the mismatched haplotype in haplo-HSCT. Therefore, removal of donor T-cells, that contain the alloreactive precursors, is required, but T-cell depletion associates with opportunistic infections and with reduced graft-versus-leukemia effect. Selective T-cell depletion strategies have been introduced, like removal of αβ T-lymphocytes and of naive T-cells, two subsets including the alloreactive precursors, but the ultimate goal is specific removal of alloreactive T-cells. Here we review the different approaches to deplete alloreactive T-cells only and discuss pros and cons, specificity, efficiency and efficacy. Combinations of different methods and innovative approaches are also proposed for depleting specific alloreactive T-cells with high efficiency.
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Affiliation(s)
- Giuseppina Li Pira
- Department of Pediatric Hematology and Oncology, IRCCS Bambino Gesù Children's Hospital, Piazza S. Onofrio 4, 00165 Rome, Italy; Unit of Immuno-hematology and Transfusion Medicine, IRCCS Bambino Gesù Children's Hospital, Piazza S. Onoforio 4, 00165 Rome, Italy.
| | - Stefano Di Cecca
- Department of Pediatric Hematology and Oncology, IRCCS Bambino Gesù Children's Hospital, Piazza S. Onofrio 4, 00165 Rome, Italy.
| | - Mauro Montanari
- Department of Pediatric Hematology and Oncology, IRCCS Bambino Gesù Children's Hospital, Piazza S. Onofrio 4, 00165 Rome, Italy; Unit of Immuno-hematology and Transfusion Medicine, IRCCS Bambino Gesù Children's Hospital, Piazza S. Onoforio 4, 00165 Rome, Italy.
| | - Lorenzo Moretta
- Immunology Area, IRCCS Bambino Gesù Children's Hospital, Piazza S. Onoforio 4, 00165 Rome, Italy.
| | - Fabrizio Manca
- Immunology Area, IRCCS Bambino Gesù Children's Hospital, Piazza S. Onoforio 4, 00165 Rome, Italy.
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15
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Griffioen M, van Bergen CAM, Falkenburg JHF. Autosomal Minor Histocompatibility Antigens: How Genetic Variants Create Diversity in Immune Targets. Front Immunol 2016; 7:100. [PMID: 27014279 PMCID: PMC4791598 DOI: 10.3389/fimmu.2016.00100] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2015] [Accepted: 03/01/2016] [Indexed: 11/13/2022] Open
Abstract
Allogeneic stem cell transplantation (alloSCT) can be a curative treatment for hematological malignancies. Unfortunately, the desired anti-tumor or graft-versus-leukemia (GvL) effect is often accompanied with undesired side effects against healthy tissues known as graft-versus-host disease (GvHD). After HLA-matched alloSCT, GvL and GvHD are both mediated by donor-derived T-cells recognizing polymorphic peptides presented by HLA surface molecules on patient cells. These polymorphic peptides or minor histocompatibility antigens (MiHA) are produced by genetic differences between patient and donor. Since polymorphic peptides may be useful targets to manipulate the balance between GvL and GvHD, the dominant repertoire of MiHA needs to be discovered. In this review, the diversity of autosomal MiHA characterized thus far as well as the various molecular mechanisms by which genetic variants create immune targets and the role of cryptic transcripts and proteins as antigen sources are described. The tissue distribution of MiHA as important factor in GvL and GvHD is considered as well as possibilities how hematopoietic MiHA can be used for immunotherapy to augment GvL after alloSCT. Although more MiHA are still needed for comprehensive understanding of the biology of GvL and GvHD and manipulation by immunotherapy, this review shows insight into the composition and kinetics of in vivo immune responses with respect to specificity, diversity, and frequency of specific T-cells and surface expression of HLA-peptide complexes and other (accessory) molecules on the target cell. A complex interplay between these factors and their environment ultimately determines the spectrum of clinical manifestations caused by immune responses after alloSCT.
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Affiliation(s)
- Marieke Griffioen
- Department of Hematology, Leiden University Medical Center , Leiden , Netherlands
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16
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Abstract
Hematopoietic SCT (HSCT) from HLA haploidentical family donors is a promising therapy for high-risk hematological malignancies. In the past 15 years at San Raffaele Scientific Institute, we investigated several transplant platforms and post transplant cellular-based interventions. We showed that T cell-depleted haploidentical transplantation followed by the infusion of genetically modified donor T cells (TK007 study, Eudract-2005-003587-34) promotes fast and wide immune reconstitution and GvHD control. This approach is currently tested in a phase III multicenter randomized trial (TK008 study, NCT00914628). We targeted patients with advanced leukemia with a sirolimus-based, calcineurin inhibitor-free prophylaxis of GvHD to allow the safe infusion of unmanipulated PBSCs from haploidentical family donors (TrRaMM study, Eudract 2007-5477-54). Results of these approaches are summarized and discussed.
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17
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Leddon SA, Richards KA, Treanor JJ, Sant AJ. Abundance and specificity of influenza reactive circulating memory follicular helper and non-follicular helper CD4 T cells in healthy adults. Immunology 2015; 146:157-62. [PMID: 26094691 PMCID: PMC4552510 DOI: 10.1111/imm.12491] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2015] [Revised: 06/01/2015] [Accepted: 06/02/2015] [Indexed: 12/24/2022] Open
Abstract
CD4 T-cell responses are functionally complex and regulate many aspects of innate and adaptive immunity. Follicular helper (Tfh) cells are CD4 T cells specialized to support B-cell production of isotype-switched, high-affinity antibody. So far, studies of Tfh cells in humans have focused on their differentiation requirements, with little research devoted to their antigen specificity. Here, after separating circulating human memory CD4 T cells based on expression of CXCR5, a signature marker of Tfh, we have quantified and assayed the influenza protein antigen specificity of blood Tfh cells and CD4 T cells lacking this marker. Through the use of peptide pools derived from nucleoprotein (NP) or haemagglutinin (HA) and a panel of human donors, we have discovered that circulating Tfh cells preferentially recognize peptide epitopes from HA while cells lacking CXCR5 are enriched for specificity toward NP. These studies suggest that reactive CD4 T cells specific for distinct viral antigens may have generalized differences in their functional potential due to their previous stimulation history.
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Affiliation(s)
- Scott A Leddon
- David H. Smith Center for Vaccine Biology and Immunology, Department of Microbiology and Immunology, University of Rochester Medical CenterRochester, NY, USA
| | - Katherine A Richards
- David H. Smith Center for Vaccine Biology and Immunology, Department of Microbiology and Immunology, University of Rochester Medical CenterRochester, NY, USA
| | - John J Treanor
- David H. Smith Center for Vaccine Biology and Immunology, Department of Microbiology and Immunology, University of Rochester Medical CenterRochester, NY, USA
| | - Andrea J Sant
- David H. Smith Center for Vaccine Biology and Immunology, Department of Microbiology and Immunology, University of Rochester Medical CenterRochester, NY, USA
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18
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von Spee-Mayer C, Siegert E, Abdirama D, Rose A, Klaus A, Alexander T, Enghard P, Sawitzki B, Hiepe F, Radbruch A, Burmester GR, Riemekasten G, Humrich JY. Low-dose interleukin-2 selectively corrects regulatory T cell defects in patients with systemic lupus erythematosus. Ann Rheum Dis 2015; 75:1407-15. [PMID: 26324847 DOI: 10.1136/annrheumdis-2015-207776] [Citation(s) in RCA: 239] [Impact Index Per Article: 26.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2015] [Accepted: 08/12/2015] [Indexed: 12/26/2022]
Abstract
OBJECTIVES Defects in regulatory T cell (Treg) biology have been associated with human systemic autoimmune diseases, such as systemic lupus erythematosus (SLE). However, the origin of such Treg defects and their significance in the pathogenesis and treatment of SLE are still poorly understood. METHODS Peripheral blood mononuclear cells (PBMC) from 61 patients with SLE and 52 healthy donors and in vitro IL-2 stimulated PBMC were characterised by multicolour flow cytometry. Five patients with refractory SLE were treated daily with subcutaneous injections of 1.5 million IU of human IL-2 (aldesleukin) for five consecutive days, and PBMC were analysed by flow cytometry. RESULTS Patients with SLE develop a progressive homeostatic dysbalance between Treg and conventional CD4+ T cells in correlation with disease activity and in parallel display a substantial reduction of CD25 expression on Treg. These Treg defects resemble hallmarks of IL-2 deficiency and lead to a markedly reduced availability of functionally and metabolically active Treg. In vitro experiments revealed that lack of IL-2 production by CD4+ T cells accounts for the loss of CD25 expression in SLE Treg, which could be selectively reversed by stimulation with low doses of IL-2. Accordingly, treatment of patients with SLE with a low-dose IL-2 regimen selectively corrected Treg defects also in vivo and strongly expanded the Treg population. CONCLUSIONS Treg defects in patients with SLE are associated with IL-2 deficiency, and can be corrected with low doses of IL-2. The restoration of endogenous mechanisms of immune tolerance by low-dose IL-2 therapy, thus, proposes a selective biological treatment strategy, which directly addresses the pathophysiology in SLE.
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Affiliation(s)
- Caroline von Spee-Mayer
- Department of Rheumatology and Clinical Immunology, Charité-University Medicine Berlin, Berlin, Germany
| | - Elise Siegert
- Department of Rheumatology and Clinical Immunology, Charité-University Medicine Berlin, Berlin, Germany
| | - Dimas Abdirama
- Department of Rheumatology and Clinical Immunology, Charité-University Medicine Berlin, Berlin, Germany
| | - Angelika Rose
- Department of Rheumatology and Clinical Immunology, Charité-University Medicine Berlin, Berlin, Germany
| | - Anika Klaus
- Department of Rheumatology and Clinical Immunology, Charité-University Medicine Berlin, Berlin, Germany
| | - Tobias Alexander
- Department of Rheumatology and Clinical Immunology, Charité-University Medicine Berlin, Berlin, Germany
| | - Philipp Enghard
- Department of Nephrology and Intensive Care Medicine, Charité-University Medicine Berlin, Berlin, Germany
| | - Birgit Sawitzki
- Institute of Medical Immunology, Charité-University Medicine Berlin, Berlin, Germany
| | - Falk Hiepe
- Department of Rheumatology and Clinical Immunology, Charité-University Medicine Berlin, Berlin, Germany
| | - Andreas Radbruch
- German Rheumatism Research Center (DRFZ), a Leibniz Institute, Berlin, Germany
| | - Gerd-Rüdiger Burmester
- Department of Rheumatology and Clinical Immunology, Charité-University Medicine Berlin, Berlin, Germany
| | - Gabriela Riemekasten
- Department of Rheumatology and Clinical Immunology, Charité-University Medicine Berlin, Berlin, Germany Department of Rheumatology, University Hospital Schleswig-Holstein-Campus Lübeck, Lübeck, Germany
| | - Jens Y Humrich
- Department of Rheumatology and Clinical Immunology, Charité-University Medicine Berlin, Berlin, Germany German Rheumatism Research Center (DRFZ), a Leibniz Institute, Berlin, Germany
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19
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Tzannou I, Leen AM. Preventing stem cell transplantation-associated viral infections using T-cell therapy. Immunotherapy 2015; 7:793-810. [PMID: 26250410 DOI: 10.2217/imt.15.43] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Hematopoietic stem cell transplantation is the treatment of choice for many hematologic malignancies and genetic diseases. However, viral infections continue to account for substantial post-transplant morbidity and mortality. While antiviral drugs are available against some viruses, they are associated with significant side effects and are frequently ineffective. This review focuses on the immunotherapeutic strategies that have been used to prevent and treat infections over the past 20 years and outlines different refinements that have been introduced with the goal of moving this therapy beyond specialized academic centers.
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Affiliation(s)
- Ifigeneia Tzannou
- Center for Cell & Gene Therapy, Baylor College of Medicine, Houston Methodist Hospital & Texas Children's Hospital, 1102 Bates Street, Suite 1770, Houston, TX 77030, USA
| | - Ann M Leen
- Center for Cell & Gene Therapy, Baylor College of Medicine, Houston Methodist Hospital & Texas Children's Hospital, 1102 Bates Street, Suite 1770, Houston, TX 77030, USA
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20
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Thomas S, Klobuch S, Podlech J, Plachter B, Hoffmann P, Renzaho A, Theobald M, Reddehase MJ, Herr W, Lemmermann NAW. Evaluating Human T-Cell Therapy of Cytomegalovirus Organ Disease in HLA-Transgenic Mice. PLoS Pathog 2015; 11:e1005049. [PMID: 26181057 PMCID: PMC4504510 DOI: 10.1371/journal.ppat.1005049] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2014] [Accepted: 06/25/2015] [Indexed: 01/05/2023] Open
Abstract
Reactivation of human cytomegalovirus (HCMV) can cause severe disease in recipients of hematopoietic stem cell transplantation. Although preclinical research in murine models as well as clinical trials have provided 'proof of concept' for infection control by pre-emptive CD8 T-cell immunotherapy, there exists no predictive model to experimentally evaluate parameters that determine antiviral efficacy of human T cells in terms of virus control in functional organs, prevention of organ disease, and host survival benefit. We here introduce a novel mouse model for testing HCMV epitope-specific human T cells. The HCMV UL83/pp65-derived NLV-peptide was presented by transgenic HLA-A2.1 in the context of a lethal infection of NOD/SCID/IL-2rg-/- mice with a chimeric murine CMV, mCMV-NLV. Scenarios of HCMV-seropositive and -seronegative human T-cell donors were modeled by testing peptide-restimulated and T-cell receptor-transduced human T cells, respectively. Upon transfer, the T cells infiltrated host tissues in an epitope-specific manner, confining the infection to nodular inflammatory foci. This resulted in a significant reduction of viral load, diminished organ pathology, and prolonged survival. The model has thus proven its potential for a preclinical testing of the protective antiviral efficacy of HCMV epitope-specific human T cells in the evaluation of new approaches to an immunotherapy of CMV disease. Pre-emptive CD8 T-cell therapy of human cytomegalovirus (HCMV) disease in immunocompromised recipients of hematopoietic stem cell transplantation gave promising results in clinical trials, but limited efficacy and the need of HCMV-seropositive memory cell donors has so far prevented adoptive cell transfer from becoming clinical routine. Further development is currently hampered by the lack of experimental animal models that allow preclinical testing of the protective efficacy of human T cells in functional organs. While humanized mouse models with human tissue implants are technically and statistically demanding, and are limited to studying human T-cell activation and local virus control in the implants, a more feasible model for control of systemic infection and prevention of multiple-organ CMV disease is regrettably missing. Here we introduce such a model based on infection of genetically immunocompromised, HLA-A2.1-transgenic NOD/SCID/IL-2rg-/- mice with a chimeric murine CMV engineered to express the HCMV NLV-peptide epitope. Mimicking the scenario of HCMV-unexperienced donors, human T cells transduced with a human T-cell receptor specific for HLA-A.2.1-presented NLV peptide controlled systemic infection and moderated organ disease resulting in a survival benefit. The model promises to become instrumental in defining T-cell properties that determine their protective efficacy for a further development of adoptive immunotherapy of post-transplantation CMV infection.
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Affiliation(s)
- Simone Thomas
- Department of Internal Medicine III, Hematology and Oncology, University Hospital of Regensburg, Regensburg, Germany
- Regensburg Center of Interventional Immunology, University of Regensburg, Regensburg, Germany
- Department of Internal Medicine III, Hematology, Oncology and Pneumology, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
- * E-mail:
| | - Sebastian Klobuch
- Department of Internal Medicine III, Hematology and Oncology, University Hospital of Regensburg, Regensburg, Germany
- Department of Internal Medicine III, Hematology, Oncology and Pneumology, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
| | - Jürgen Podlech
- Institute for Virology and Research Center for Immunotherapy (FZI), University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
| | - Bodo Plachter
- Institute for Virology and Research Center for Immunotherapy (FZI), University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
| | - Petra Hoffmann
- Department of Internal Medicine III, Hematology and Oncology, University Hospital of Regensburg, Regensburg, Germany
- Regensburg Center of Interventional Immunology, University of Regensburg, Regensburg, Germany
| | - Angelique Renzaho
- Institute for Virology and Research Center for Immunotherapy (FZI), University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
| | - Matthias Theobald
- Department of Internal Medicine III, Hematology, Oncology and Pneumology, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
| | - Matthias J. Reddehase
- Institute for Virology and Research Center for Immunotherapy (FZI), University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
| | - Wolfgang Herr
- Department of Internal Medicine III, Hematology and Oncology, University Hospital of Regensburg, Regensburg, Germany
- Regensburg Center of Interventional Immunology, University of Regensburg, Regensburg, Germany
- Department of Internal Medicine III, Hematology, Oncology and Pneumology, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
| | - Niels A. W. Lemmermann
- Institute for Virology and Research Center for Immunotherapy (FZI), University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
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21
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Lee SC, Seo KW, Kim HJ, Kang SW, Choi HJ, Kim A, Kwon BS, Cho HR, Kwon B. Depletion of Alloreactive T-Cells by Anti-CD137-Saporin Immunotoxin. Cell Transplant 2015; 24:1167-81. [DOI: 10.3727/096368914x679327] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Depletion of alloreactive T-lymphocytes from allogeneic bone marrow tansplants may prevent graft-versus-host disease (GVHD) without impairing donor cell engraftment, immunity, and the graft-versus-leukemia (GVL) effect. Alloreactive T-cells may be identified by their expression, upon activation, of CD137, a costimulatory receptor and putative surrogate marker for antigen-specific effector T-cells. In this context, we tested the use of anti-CD137-saporin immunotoxin to selectively deplete mouse and human alloreactive T-cells. Anti-CD137 antibodies were internalized by cells within 4 h of binding to the cell surface CD137, and anti-CD137-saporin immunotoxin effectively killed polyclonally activated T-cells or antigen-stimulated T-cells. Transfer of donor T-cells after allodepletion with anti-CD137-saporin immunotoxin failed to induce any evident expression of GVHD; however, a significant GVL effect was observed. Targeting of CD137 with an immunotoxin was also effective in killing polyclonally activated or alloreactive human T-cells. Our results indicate that anti-CD137-saporin immunotoxin may be used to deplete alloreactive T-cells prior to bone marrow transplantation and thereby prevent GVHD and the relapse of leukemia.
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Affiliation(s)
- Sang C. Lee
- Biomedical Research Center, Ulsan University Hospital, College of Medicine, University of Ulsan, Ulsan, Republic of Korea
- Personalized Medicine System R&D Center, Bio-support Co., Ltd., Anyang, Republic of Korea
| | - Kwang W. Seo
- Biomedical Research Center, Ulsan University Hospital, College of Medicine, University of Ulsan, Ulsan, Republic of Korea
- Department of Internal Medicine, Ulsan University Hospital, College of Medicine, University of Ulsan, Ulsan, Republic of Korea
| | - Hye J. Kim
- Biomedical Research Center, Ulsan University Hospital, College of Medicine, University of Ulsan, Ulsan, Republic of Korea
| | - Sang W. Kang
- School of Biological Sciences, University of Ulsan, Ulsan, Republic of Korea
| | - Hye-Jeong Choi
- Department of Pathology, Ulsan University Hospital, College of Medicine, University of Ulsan, Ulsan, Republic of Korea
| | - Ansuk Kim
- Department of Anesthesiology and Pain Medicine, Ulsan University Hospital, College of Medicine, University of Ulsan, Ulsan, Republic of Korea
| | - Byoung S. Kwon
- Division of Cell and Immunobiology and Research and Development Center for Cancer Therapeutics, National Cancer Center, Ulsan, Republic of Korea
| | - Hong R. Cho
- Biomedical Research Center, Ulsan University Hospital, College of Medicine, University of Ulsan, Ulsan, Republic of Korea
- Department of Surgery, Ulsan University Hospital, College of Medicine, University of Ulsan, Ulsan, Republic of Korea
| | - Byungsuk Kwon
- Biomedical Research Center, Ulsan University Hospital, College of Medicine, University of Ulsan, Ulsan, Republic of Korea
- School of Biological Sciences, University of Ulsan, Ulsan, Republic of Korea
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22
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Abstract
Serious viral infections are a common cause of morbidity and mortality after allogeneic stem cell transplantation. They occur in the majority of allograft recipients and are fatal in 17–20%. These severe infections may be prolonged or recurrent and add substantially to the cost, both human and financial, of the procedure. Many features of allogeneic stem cell transplantation contribute to this high rate of viral disease. The cytotoxic and immunosuppressive drugs administered pretransplant to eliminate the host hematopoietic/immune system and any associated malignancy, the delay in recapitulating immune ontogeny post‐transplant, the immunosuppressive drugs given to prevent graft versus host disease (GvHD), and the effects of GvHD itself, all serve to make stem cell transplant recipients vulnerable to disease from endogenous (latent) and exogenous (community) viruses, and to be incapable of controlling them as quickly and effectively as most normal individuals.
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Affiliation(s)
- Ann M Leen
- Center for Cell and Gene Therapy, Baylor College of Medicine, Houston Methodist Hospital and Texas Children's Hospital, Houston, TX, USA
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Qin XY, Li GX, Qin YZ, Wang Y, Wang FR, Liu DH, Xu LP, Chen H, Han W, Wang JZ, Zhang XH, Li JL, Li LD, Liu KY, Huang XJ. Quantitative chimerism: an independent acute leukemia prognosis indicator following allogeneic hematopoietic SCT. Bone Marrow Transplant 2014; 49:1269-77. [DOI: 10.1038/bmt.2014.158] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2014] [Revised: 05/26/2014] [Accepted: 05/30/2014] [Indexed: 11/09/2022]
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Cieri N, Mastaglio S, Oliveira G, Casucci M, Bondanza A, Bonini C. Adoptive immunotherapy with genetically modified lymphocytes in allogeneic stem cell transplantation. Immunol Rev 2014; 257:165-80. [PMID: 24329796 DOI: 10.1111/imr.12130] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Hematopoietic stem cell transplantation from a healthy donor (allo-HSCT) represents the most potent form of cellular adoptive immunotherapy to treat malignancies. In allo-HSCT, donor T cells are double edge-swords: highly potent against residual tumor cells, but potentially highly toxic, and responsible for graft versus host disease (GVHD), a major clinical complication of transplantation. Gene transfer technologies coupled with current knowledge on cancer immunology have generated a wide range of approaches aimed at fostering the immunological response to cancer cells, while avoiding or controlling GVHD. In this review, we discuss cell and gene therapy approaches currently tested in preclinical models and in clinical trials.
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Affiliation(s)
- Nicoletta Cieri
- University Vita-Salute San Raffaele, Milan, Italy; Experimental Hematology Unit, Division of Regenerative Medicine, Stem Cells and Gene Therapy, PIBIC, San Raffaele Scientific Institute, Milan, Italy
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Litjens NHR, de Wit EA, Baan CC, Betjes MGH. Activation-induced CD137 is a fast assay for identification and multi-parameter flow cytometric analysis of alloreactive T cells. Clin Exp Immunol 2013; 174:179-91. [PMID: 23750604 DOI: 10.1111/cei.12152] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/03/2013] [Indexed: 11/28/2022] Open
Abstract
Detection and isolation of viable alloreactive T cells at the single-cell level requires a cell surface marker induced specifically upon T cell receptor activation. In this study, a member of the tumour necrosis factor receptor (TNFR)-family, CD137 (4-1BB) was investigated for its potential to identify the total pool of circulating alloreactive T cells. Optimal conditions for sensitive and specific detection of allogeneic-induced CD137 expression on circulating T cells were established. Thereafter, CD137(+) alloreactive T cells were phenotypically and functionally characterized by multi-parameter flow cytometry. Alloantigen-induced CD137 expression identified both alloreactive CD8(+) T cells (mean ± standard error of the mean: 0·21 ± 0·07%) and alloreactive CD4(+) T cells (0·21 ± 0·05%). CD137(+) alloreactive T cells were detected in different T cell subsets, including naive T cells, but were found preferentially in CD28(+) T cells and not in the terminally differentiated T cell subset. Upon allogeneic (re-)stimulation, the cytokine-producing as well as proliferative capacity of T cells resided mainly within the CD137-expressing fraction. About 10% of the CD137(+) alloreactive T cells produced any combination of interferon (IFN)-γ, interleukin (IL)-2 and TNF-α. Polyfunctional alloreactive T cells, defined by multiple cytokine expression, were observed infrequently. In conclusion, activation-induced CD137 expression is a fast assay allowing for detection and functional analysis of the total alloreactive T cell compartment at the single-cell level by multi-parameter flow cytometry.
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Affiliation(s)
- N H R Litjens
- Department of Internal Medicine, section Nephrology and Transplantation, Erasmus Medical Center, Rotterdam, South-Holland, the Netherlands
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Abstract
Although human cancer is often surrounded by immune cells, only a small number are tumor-reactive T cells that recognize the tumor antigens and are able to eliminate the cancer cells. Ye and colleagues now found that many of these tumor-reactive T cells are marked by expressing CD137, a T-cell costimulatory receptor.
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Affiliation(s)
- Yuwen Zhu
- Authors' Affiliations: Department of Surgery, University of Colorado Anschutz Medical Campus, Aurora, Colorado; and Department of Immunobiology, Yale University School of Medicine, New Haven, Connecticut
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Human CD8+ memory and EBV-specific T cells show low alloreactivity in vitro and in CD34+ stem cell-engrafted NOD/SCID/IL-2Rγc null mice. Exp Hematol 2013; 42:28-38.e1-2. [PMID: 24120693 DOI: 10.1016/j.exphem.2013.09.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2013] [Accepted: 09/26/2013] [Indexed: 11/20/2022]
Abstract
Current strategies in cellular immunotherapy of cancer and viral infections include the adoptive transfer of T cell receptor (TCR) and chimeric antigen receptor engineered T cells. When using transient RNA expression systems in clinical studies, multiple infusions with receptor-redirected T cells appear necessary. However, in allogeneic hematopoietic stem-cell transplantation, repeated transfer of donor-derived T cells increases the risk of alloreactive graft-versus-host disease. We investigated naive-derived (TN), memory-derived (TM), and Epstein Barr virus-specific (TEBV) CD8(+) T cell subsets for alloreactivity upon redirection with RNA encoding a cytomegalovirus-specific model TCR. We observed that alloreactivity to human leukocyte antigen (HLA)-mismatched hematopoietic cells developed at much stronger levels in TN compared with TM or TEBV populations in cytokine-release and cytotoxicity assays. Cytomegalovirus-specific effector function was higher in TCR-transfected TEBV and TM over TN cells. To measure alloreactivity in vivo, we reconstituted NOD/SCID/IL-2Rγc(null) mice with human CD34(+) stem cells and adoptively transferred them with CD8(+) T cell subsets previously stimulated against cells of the HLA-mismatched stem-cell donor. TN cells showed a significant ability to eliminate CD34-derived hematopoietic cells, which was not found with TM and TEBV cells. This reduced alloreactive potential along with strong effector function upon receptor RNA engineering makes CD8(+) memory and EBV-specific T cells advantageous tools in adoptive immunotherapy after allogeneic transplantation.
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Ye Q, Song DG, Poussin M, Yamamoto T, Best A, Li C, Coukos G, Powell DJ. CD137 accurately identifies and enriches for naturally occurring tumor-reactive T cells in tumor. Clin Cancer Res 2013; 20:44-55. [PMID: 24045181 DOI: 10.1158/1078-0432.ccr-13-0945] [Citation(s) in RCA: 224] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
PURPOSE Upregulation of CD137 (4-1BB) on recently activated CD8(+) T cells has been used to identify rare viral or tumor antigen-specific T cells from peripheral blood. Here, we evaluated the immunobiology of CD137 in human cancer and the utility of a CD137-positive separation methodology for the identification and enrichment of fresh tumor-reactive tumor-infiltrating lymphocytes (TIL) or tumor-associated lymphocytes (TAL) from ascites for use in adoptive immunotherapy. EXPERIMENTAL DESIGN TILs from resected ovarian cancer or melanoma were measured for surface CD137 expression directly or after overnight incubation in the presence of tumor cells and homeostatic cytokines. CD137(pos) TILs were sorted and evaluated for antitumor activity in vitro and in vivo. RESULTS Fresh ovarian TILs and TALs naturally expressed higher levels of CD137 than circulating T cells. An HLA-dependent increase in CD137 expression was observed following incubation of fresh enzyme-digested tumor or ascites in IL-7 and IL-15 cytokines, but not IL-2. Enriched CD137(pos) TILs, but not PD-1(pos) or PD-1(neg) CD137(neg) cells, possessed autologous tumor reactivity in vitro and in vivo. In melanoma studies, all MART-1-specific CD8(+) TILs upregulated CD137 expression after incubation with HLA-matched, MART-expressing cancer cells and antigen-specific effector function was restricted to the CD137(pos) subset in vitro. CD137(pos) TILs also mediated superior antitumor effects in vivo, compared with CD137(neg) TILs. CONCLUSIONS Our findings reveal a role for the TNFR-family member CD137 in the immunobiology of human cancer where it is preferentially expressed on tumor-reactive subset of TILs, thus rationalizing its agonistic engagement in vivo and its use in TIL selection for adoptive immunotherapy trials.
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Affiliation(s)
- Qunrui Ye
- Authors' Affiliations: Department of Obstetrics and Gynecology, Ovarian Cancer Research Center; and Department of Pathology and Laboratory Medicine, Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
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Jin N, Malcherek G, Mani J, Zurleit R, Schmitt A, Chen B, Freund M, Ho AD, Schmitt M. Suppression of cytomegalovirus-specific CD8+T cells by everolimus. Leuk Lymphoma 2013; 55:1144-50. [DOI: 10.3109/10428194.2013.822496] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Risk-adapted donor lymphocyte infusion based on chimerism and donor source in pediatric leukemia. Blood Cancer J 2013; 3:e137. [PMID: 23995046 PMCID: PMC3763390 DOI: 10.1038/bcj.2013.39] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2013] [Accepted: 07/23/2013] [Indexed: 11/08/2022] Open
Abstract
Donor lymphocyte infusion (DLI) is commonly used to treat leukemia relapse following stem cell transplantation. In florid relapse, however, the efficacy of DLI is limited with substantial risk of severe graft-versus-host disease (GvHD). Here, we develop a novel risk-adapted strategy characterized by pre-emptive DLI initiated at the time of mixed chimerism, a small starting dose based on donor source, dose-escalation guided by real-time chimerism monitoring and withholding of DLI immediately in patients achieving full donor chimerism. A total of 178 DLIs were given to 38 patients with mixed chimerism; thereafter, 33 patients (86.8%) had donor chimerism successfully increased, including 30 (78.9%) who had chimerism fully converted back to 100% donor. Cumulative incidence of relapse was significantly lower (P=0.00004) and overall survival higher (P=0.0003) in patients with chimerism fully corrected as compared with those of patients whose chimerism remained mixed. Only 13.2% of the patients developed acute grade III-IV GvHD with no associated mortality. In conclusion, the risk-adapted DLI strategy is useful in minimizing the risk of childhood leukemia relapse, GvHD and death.
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Nerreter T, Distler E, Köchel C, Einsele H, Herr W, Seggewiss-Bernhardt R. Combining dasatinib with dexamethasone long-term leads to maintenance of antiviral and antileukemia specific cytotoxic T cell responses in vitro. Exp Hematol 2013; 41:604-614.e4. [DOI: 10.1016/j.exphem.2013.02.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2012] [Revised: 02/12/2013] [Accepted: 02/22/2013] [Indexed: 11/30/2022]
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Tsirigotis P, Or R, Resnick IB, Shapira MY. Immunotherapeutic approaches to improve graft-versus-tumor effect and reduce graft-versus-host disease. Immunotherapy 2012; 4:407-24. [PMID: 22512635 DOI: 10.2217/imt.12.14] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
The therapeutic efficacy of allogeneic stem cell transplantation is mainly based on the alloreactive immune response of the graft against the host. However, the graft-versus-host process can be viewed as a double-edged sword since it is responsible for both the beneficial graft-versus-tumor effect and the deleterious graft-versus-host disease. During the last two decades, intensive research has been focused on the development of novel immunotherapeutic methods aimed to dissociate graft-versus-host disease from graft-versus-tumor effect. A brief description of these efforts is discussed in this review.
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Affiliation(s)
- Panagiotis Tsirigotis
- Department of Bone Marrow Transplantation & Cancer Immunotherapy, Hadassah - Hebrew University Medical Center, Jerusalem, Israel.
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A foundation for universal T-cell based immunotherapy: T cells engineered to express a CD19-specific chimeric-antigen-receptor and eliminate expression of endogenous TCR. Blood 2012; 119:5697-705. [PMID: 22535661 DOI: 10.1182/blood-2012-01-405365] [Citation(s) in RCA: 370] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Clinical-grade T cells are genetically modified ex vivo to express a chimeric antigen receptor (CAR) to redirect specificity to a tumor associated antigen (TAA) thereby conferring antitumor activity in vivo. T cells expressing a CD19-specific CAR recognize B-cell malignancies in multiple recipients independent of major histocompatibility complex (MHC) because the specificity domains are cloned from the variable chains of a CD19 monoclonal antibody. We now report a major step toward eliminating the need to generate patient-specific T cells by generating universal allogeneic TAA-specific T cells from one donor that might be administered to multiple recipients. This was achieved by genetically editing CD19-specific CAR(+) T cells to eliminate expression of the endogenous αβ T-cell receptor (TCR) to prevent a graft-versus-host response without compromising CAR-dependent effector functions. Genetically modified T cells were generated using the Sleeping Beauty system to stably introduce the CD19-specific CAR with subsequent permanent deletion of α or β TCR chains with designer zinc finger nucleases. We show that these engineered T cells display the expected property of having redirected specificity for CD19 without responding to TCR stimulation. CAR(+)TCR(neg) T cells of this type may potentially have efficacy as an off-the-shelf therapy for investigational treatment of B-lineage malignancies.
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Abstract
The hyaluronan-mediated motility receptor (HMMR/Rhamm) is overexpressed in numerous tumor types, including acute lymphoid leukemia and acute myeloid leukemia (AML). Several studies have reported the existence of T-cell responses directed against HMMR in AML patients that are linked to better clinical outcome. Therefore, we explored the use of HMMR-specific TCRs for transgenic expression in lymphocytes and their in vivo impact on HMMR(+) solid tumors and disseminated leukemia. We obtained TCRs via an in vitro priming approach in combination with CD137-mediated enrichment. Recipient lymphocytes expressing transgenic TCR revealed the specific tumor recognition pattern seen with the original T cells. Adoptive transfer experiments using a humanized xenograft mouse model resulted in significantly retarded solid tumor outgrowth, which was enhanced using IL-15-conditioned, TCR-transgenic effector memory cells. These cells also showed an increased potency to retard the outgrowth of disseminated AML, and this was further improved using CD8-enriched effector memory cells. To define a safe clinical setting for HMMR-TCR gene therapy, we analyzed transgenic T-cell recognition of hematopoietic stem cells (HSCs) and found on-target killing of HLA-A2(+) HSCs. Our findings clearly limit the use of HMMR-TCR therapy to MHC- mismatched HSC transplantation, in which HLA-A2 differences can be used to restrict recognition to patient HSCs and leukemia.
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36
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Selective elimination of alloreactivity in vitro and in vivo while sparing other T-cell-mediated immune responses. Bone Marrow Transplant 2011; 47:838-45. [DOI: 10.1038/bmt.2011.198] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Bregni M, Herr W, Blaise D. Allogeneic stem cell transplantation for renal cell carcinoma. Expert Rev Anticancer Ther 2011; 11:901-11. [PMID: 21707287 DOI: 10.1586/era.11.12] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Allogeneic hematopoietic stem cell transplantation from a compatible donor has been utilized as adoptive immunotherapy in metastatic, cytokine-refractory renal cell carcinoma (RCC). Since the year 2000, several investigators have established that RCC is susceptible to a graft-versus-tumor effect: they reported that patients with renal cancer may have partial or complete disease responses, in the 20-40% range, after allogeneic transplantation following a reduced-intensity regimen. However, transplant-related mortality is still high in the 10-20% range, and responses are rarely durable. Experimental evidence suggests that donor-derived T cells and natural killer cells are the main mediators of the graft-versus-RCC effect upon allogeneic hematopoietic stem-cell transplantation. Isolation of CD8(+) cytotoxic T lymphocyte clones recognizing several target antigens of graft-versus-RCC effect (minor histocompatibility antigens on RCC cells; a peptide epitope derived from human endogenous retrovirus type E; the tumor-associated antigen encoded by the Wilms' tumor 1 gene) has increased our knowledge of the disease and has opened up the possibility of antigen-specific adoptive cell therapy. The introduction in the clinic of molecularly targeted agents that interfere with neoangiogenesis, both monoclonal antibodies and small tyrosine-kinase inhibitor molecules (e.g., sunitinib, sorafenib and bevacizumab), has decreased the use of allogeneic transplantation. Although not curative, novel targeted agents may be combined with allogeneic transplantation or with adoptive cell therapy in order to maximize the chances of cure.
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Affiliation(s)
- Marco Bregni
- Department of Hematology, Istituto Scientifico San Raffaele, Via Olgettina 60, 20132 Milano, Italy.
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Abstract
For patients with hematologic malignancies at high risk of relapse who do not have matched donors, a suitable alternative stem cell source is the HLA-haploidentical 2 or 3-loci mismatched family donor who is readily available for nearly all patients. Transplantation across the major HLA barrier is associated with strong T-cell alloreactions, which were originally manifested as a high incidence of severe GVHD and graft rejection. The present review shows how these obstacles to successful transplantation were overcome in the last 15 years, making full haplotype-mismatched transplantation a clinical reality that provides similar outcomes to transplantation from matched unrelated donors. The review also discusses the advantages and drawbacks of current options for full haplotype-mismatched transplantation and highlights innovative approaches for re-building immunity after transplantation and improving survival.
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Teschner D, Wenzel G, Distler E, Schnürer E, Theobald M, Neurauter AA, Schjetne K, Herr W. In vitro stimulation and expansion of human tumour-reactive CD8+ cytotoxic T lymphocytes by anti-CD3/CD28/CD137 magnetic beads. Scand J Immunol 2011; 74:155-64. [PMID: 21517928 DOI: 10.1111/j.1365-3083.2011.02564.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Adoptive immunotherapy with tumour-reactive CD8(+) cytotoxic T lymphocytes (CTLs) requires efficient in vitro approaches allowing the expansion of CTLs to large numbers prior infusion. Here, we investigated the antigen-independent activation and the expansion of human T cells in peripheral blood mononuclear cells (PBMCs) and in tumour-reactive CTLs using Dynabeads coated with monoclonal antibodies to CD3 and to the costimulatory molecules CD28 and CD137 (4-1BB). T cells in PBMCs showed an increased expansion rate of 15- to 17-fold during a 2-week culture period using antibody-conjugated beads with interleukin-2 (IL-2) added versus IL-2 alone. No significant difference between CD3/CD28 beads and CD3/CD28/CD137 beads was observed (P = 0.4). In contrast, expansion of tumour-reactive CD8(+) CTLs over 2 weeks was more efficient using CD3/CD28/CD137 beads (14.4-fold ± 1.2) compared with CD3/CD28 beads (10.6-fold ± 0.7) (P = 0.03) and matched well to the control arm using weekly stimulation with tumour cells. Although all modes of in vitro stimulation decreased the expression of central memory markers CD62L and CCR7 on CTLs, bead-activated cultures expressed consistently higher levels than tumour-stimulated cultures. CTLs analysed after bead-induced expansion versus weekly tumour stimulation showed equal IFN-γ production in ELISPOT assay. Furthermore, cytotoxicity assays demonstrated an either unchanged or slightly reduced capability of tumour cell lysis for antigen-independent stimulated CTLs versus those that maintained on weekly tumour stimulation, regardless of which type of beads was used. Our data suggest that the conjugation of anti-CD137 antibodies to conventional CD3/CD28 beads results in a minor but significant increase in the expansion capacity for tumour-reactive CD8(+) CTLs.
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Affiliation(s)
- D Teschner
- Department of Medicine III, Hematology and Oncology, University Medical Center of Johannes Gutenberg-University, Mainz, Germany
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Smits ELJ, Lee C, Hardwick N, Brooks S, Van Tendeloo VFI, Orchard K, Guinn BA. Clinical evaluation of cellular immunotherapy in acute myeloid leukaemia. Cancer Immunol Immunother 2011; 60:757-69. [PMID: 21519825 PMCID: PMC11029703 DOI: 10.1007/s00262-011-1022-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2010] [Accepted: 04/08/2011] [Indexed: 02/07/2023]
Abstract
Immunotherapy is currently under active investigation as an adjuvant therapy to improve the overall survival of patients with acute myeloid leukaemia (AML) by eliminating residual leukaemic cells following standard therapy. The graft-versus-leukaemia effect observed following allogeneic haematopoietic stem cell transplantation has already demonstrated the significant role of immune cells in controlling AML, paving the way to further exploitation of this effect in optimized immunotherapy protocols. In this review, we discuss the current state of cellular immunotherapy as adjuvant therapy for AML, with a particular focus on new strategies and recently published results of preclinical and clinical studies. Therapeutic vaccines that are being tested in AML include whole tumour cells as an autologous source of multiple leukaemia-associated antigens (LAA) and autologous dendritic cells loaded with LAA as effective antigen-presenting cells. Furthermore, adoptive transfer of cytotoxic T cells or natural killer cells is under active investigation. Results from phase I and II trials are promising and support further investigation into the potential of cellular immunotherapeutic strategies to prevent or fight relapse in AML patients.
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Affiliation(s)
- Evelien L J Smits
- Laboratory of Experimental Haematology, Vaccine and Infectious Disease Institute, Antwerp University Hospital, University of Antwerp, Wilrijkstraat 10, 2650, Antwerp, Belgium.
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Redirecting αβ T cells against cancer cells by transfer of a broadly tumor-reactive γδT-cell receptor. Blood 2011; 118:50-9. [PMID: 21566093 DOI: 10.1182/blood-2010-12-325993] [Citation(s) in RCA: 93] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Major limitations of currently investigated αβT cells redirected against cancer by transfer of tumor-specific αβTCR arise from their low affinity, MHC restriction, and risk to mediate self-reactivity after pairing with endogenous α or βTCR chains. Therefore, the ability of a defined γ9δ2TCR to redirect αβT cells selectively against tumor cells was tested and its molecular interaction with a variety of targets investigated. Functional analysis revealed that a γ9δ2TCR efficiently reprograms both CD4(+) and CD8(+) αβT cells against a broad panel of cancer cells while ignoring normal cells, and substantially reduces but does not completely abrogate alloreactivity. γ9δ2TCR-transduced αβT cells reduced colony formation of progenitor cells of primary acute myeloid leukemia blasts and inhibited leukemia growth in a humanized mouse model. Thereby, metabolites of a dysregulated mevalonate pathway are targeted and the additional application of widely used biphosphonates is crucial for in vivo efficacy most likely because of its modulating effect on cytokine secretion of γ9δ2TCR-transduced αβT cells. Expression of NKG2D ligands and F1-ATPase contributed to the activity of γ9δ2TCR-transduced αβT cells but were not mandatory. In summary, γ9δ2 TCRs are an attractive alternative to broadly redirect αβT cells against cancer cells with both an improved efficacy and safety profile compared with currently used αβTCRs.
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Distler E, Bloetz A, Albrecht J, Asdufan S, Hohberger A, Frey M, Schnürer E, Thomas S, Theobald M, Hartwig UF, Herr W. Alloreactive and leukemia-reactive T cells are preferentially derived from naive precursors in healthy donors: implications for immunotherapy with memory T cells. Haematologica 2011; 96:1024-32. [PMID: 21486863 DOI: 10.3324/haematol.2010.037481] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
BACKGROUND HLA mismatch antigens are major targets of alloreactive T cells in HLA-incompatible stem-cell transplantation, which can trigger severe graft-versus-host disease and reduce survival in transplant recipients. Our objective was to identify T-cell subsets with reduced in vitro reactivity to allogeneic HLA antigens. DESIGN AND METHODS We sorted CD4 and CD8 T-cell subsets from peripheral blood by flow cytometry according to their expression of naive and memory markers CD45RA, CD45RO, CD62L, and CCR7. Subsets were defined by a single marker to facilitate future establishment of a clinical-grade procedure for reducing alloreactive T-cell precursors and graft-versus-host disease. T cells were stimulated in mixed lymphocyte reactions against HLA-deficient K562 cells transfected with single HLA-A/-B/-C/-DR/-DQ mismatch alleles. Alloreactivity was measured by interferon-γ spot production and cell proliferation. RESULTS We observed that allogeneic HLA-reactivity was preferentially derived from subsets enriched for naïve T cells rather than memory T cells in healthy donors, irrespective of the HLA mismatch allele. This separation was most efficient if CD45RA (versus other markers) was used for sorting. The numbers of allogeneic HLA-reactive effector cells were in median 7.2-fold and 16.6-fold lower in CD45RA(neg) memory CD8 and CD4 T cells than in entire CD8 and CD4 T cells, respectively. In contrast, proliferation of memory T cells in response to allogeneic HLA was more variably reduced (CD8) or equivalent (CD4) when compared to that of naïve T cells. We also demonstrated in HLA-matched donor-patient pairs that leukemia-reactive CD8 cytotoxic T-lymphocytes were mainly derived from subsets enriched for naïve T cells compared to memory T cells. CONCLUSIONS Memory T-cell subsets of most healthy individuals showed decreased allogeneic HLA-reactivity, but lacked significant anti-leukemia responses in vitro. The clinical use of memory or naïve-depleted T cells might be beneficial for HLA-mismatched patients at high risk of graft-versus-host disease and low risk of leukemia relapse. Preferred allografts are those which contain leukemia-reactive memory T cells. Alternatively, replenishment with leukemia-reactive T cells isolated from naïve subsets is desirable.
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Affiliation(s)
- Eva Distler
- 3rd Department of Medicine, University Medical Center of Johannes Gutenberg-University, Mainz, Germany
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Kwon B. Intervention with costimulatory pathways as a therapeutic approach for graft-versus-host disease. Exp Mol Med 2011; 42:675-83. [PMID: 20820112 DOI: 10.3858/emm.2010.42.10.071] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Graft-versus-host disease (GVHD) is mediated by mature donor T cells contained in the hematopoietic stem cell graft. During the development of GVHD, signaling through a variety of costimulatory receptors plays an important role in allogeneic T cell responses. Even though delivery of costimulatory signals is a prerequisite for full activation of donor T cells in the phase of their interactions with host APCs, their involvement with GVHD might occur over multiple stages. Like many other aspects of GVHD, promise of therapeutic interventions with costimulatory pathways has been gleaned from preclinical models. In this review, I summarize some of the advances in roles of costimulatory molecules in GVHD pathophysiology and discuss preclinical approaches that warrant further exploration in the clinic, focusing on novel strategies to delete pathogenic T cells.
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Affiliation(s)
- Byungsuk Kwon
- School of Biological Sciences, University of Ulsan, Ulsan 680-749, Korea.
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Roddie C, Peggs KS. Donor lymphocyte infusion following allogeneic hematopoietic stem cell transplantation. Expert Opin Biol Ther 2011; 11:473-87. [PMID: 21269237 DOI: 10.1517/14712598.2011.554811] [Citation(s) in RCA: 87] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
INTRODUCTION Allogeneic hematopoietic stem cell transplantation (SCT) is the treatment of choice for many malignant hematological disorders. Following recent improvements in non-relapse-related mortality rates, relapse has become the commonest cause of treatment failure. Infusion of donor lymphocytes can potentially enhance immune-mediated antitumor activity and offers a salvage option for some patients. This paper reviews the current literature on the efficacy of this therapeutic strategy. AREAS COVERED The biology of adoptive cellular therapy with allogeneic immune cells to treat relapse across a spectrum of diseases in both the full intensity and reduced intensity hematopoietic SCT settings is explored. The review discusses the current limitations of the approach and reviews several new experimental strategies which aim to segregate the desired graft-versus-tumor effect from the deleterious effects of more widespread graft-versus-host reactivity. EXPERT OPINION Durable responses to DLI have been noted in chronic myeloid leukemia and responses have also been described in acute leukemia, multiple myeloma and chronic lymphoproliferative disorders. The new challenge in transplantation is to optimize DLI therapy in order to further improve patient outcomes.
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Affiliation(s)
- Claire Roddie
- UCL Cancer Institute, Department of Haematology, Paul O'Gorman Building, 72 Huntley Street, London, WC1E 6BT, UK
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Reimann C, Dal Cortivo L, Hacein-Bey-Abina S, Fischer A, André-Schmutz I, Cavazzana-Calvo M. Advances in adoptive immunotherapy to accelerate T-cellular immune reconstitution after HLA-incompatible hematopoietic stem cell transplantation. Immunotherapy 2010; 2:481-96. [PMID: 20636003 DOI: 10.2217/imt.10.36] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Although partially HLA-mismatched hematopoietic stem cell transplantation (HSCT) has become an important therapeutic option for children with primary immunodeficiencies, delayed reconstitution of the T-cell compartment remains a major clinical concern. Adoptive immunotherapies to provide recipients with a protective and diverse T-cell repertoire in the months following HSCT are warranted. In order to improve T-cell reconstitution after T-cell-depleted HSCT, different strategies are currently being studied. Some are based on administration of modified mature T cells (e.g., allodepleted T cells or pathogen-specific T cells). Others aim at accelerating de novo thymopoiesis from donor-derived hematopoietic stem cells in vivo via the administration of thymopoietic agents or the transfer of large numbers of T-cell precursors generated ex vivo. The present article will provide a brief summary of recent advances in the field of allodepletion and adoptive transfer of pathogen-specific T cells and a detailed discussion of strategies for enhancing thymopoiesis in vivo.
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Affiliation(s)
- Christian Reimann
- Institut National de la Santé et de la Recherche Médicale (INSERM), Département de Biothérapie, Hopital Necker-Enfants Malades, Assistance Publique-Hôpitaux de Paris, and Université Paris Descartes 75015 Paris, France
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Alyea EP, DeAngelo DJ, Moldrem J, Pagel JM, Przepiorka D, Sadelin M, Young JW, Giralt S, Bishop M, Riddell S. NCI First International Workshop on The Biology, Prevention and Treatment of Relapse after Allogeneic Hematopoietic Cell Transplantation: report from the committee on prevention of relapse following allogeneic cell transplantation for hematologic malignancies. Biol Blood Marrow Transplant 2010; 16:1037-69. [PMID: 20580849 PMCID: PMC3235046 DOI: 10.1016/j.bbmt.2010.05.005] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2010] [Accepted: 05/14/2010] [Indexed: 10/19/2022]
Abstract
Prevention of relapse after allogeneic hematopoietic stem cell transplantation is the most likely approach to improve survival of patients treated for hematologic malignancies. Herein we review the limits of currently available transplant therapies and the innovative strategies being developed to overcome resistance to therapy or to fill therapeutic modalities not currently available. These novel strategies include nonimmunologic therapies, such as targeted preparative regimens and posttransplant drug therapy, as well as immunologic interventions, including graft engineering, donor lymphocyte infusions, T cell engineering, vaccination, and dendritic cell-based approaches. Several aspects of the biology of the malignant cells as well as the host have been identified that obviate success of even these newer strategies. To maximize the potential for success, we recommend pursuing research to develop additional targeted therapies to be used in the preparative regimen or as maintenance posttransplant, better characterize the T cell and dendritic cells subsets involved in graft-versus-host disease and the graft-versus-leukemia/tumor effect, identify strategies for timing immunologic or nonimmunologic therapies to eliminate the noncycling cancer stem cell, identify more targets for immunotherapies, develop new vaccines that will not be limited by HLA, and develop methods to identify populations at very high risk for relapse to accelerate clinical development and avoid toxicity in patients not at risk for relapse.
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Affiliation(s)
- Edwin P Alyea
- Dana Farber Cancer Institute, Boston, Massachusetts 02115, USA.
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André MC, Erbacher A, Gille C, Schmauke V, Goecke B, Hohberger A, Mang P, Wilhelm A, Mueller I, Herr W, Lang P, Handgretinger R, Hartwig UF. Long-term human CD34+ stem cell-engrafted nonobese diabetic/SCID/IL-2R gamma(null) mice show impaired CD8+ T cell maintenance and a functional arrest of immature NK cells. THE JOURNAL OF IMMUNOLOGY 2010; 185:2710-20. [PMID: 20668220 DOI: 10.4049/jimmunol.1000583] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Allogeneic hematopoietic stem cell transplantation represents the most effective form of immunotherapy for chemorefractory diseases. However, animal models have been missing that allow evaluation of donor-patient-specific graft-versus-leukemia effects. Thus, we sought to establish a patient-tailored humanized mouse model that would result in long-term engraftment of various lymphocytic lineages and would serve as a donor-specific surrogate. Following transfer of donor-derived peripheral blood stem cells into NOD/SCID/IL-2Rgamma(null) (NSG) mice with supplementation of human IL-7, we could demonstrate robust engraftment and multilineage differentiation comparable to earlier studies using cord blood stem cells. Phenotypical and functional analyses of lymphoid lineages revealed that >20 wk posthematopoietic stem cell transplantation, the majority of T lymphocytes consisted of memory-type CD4(+) T cells capable of inducing specific immune functions, whereas CD8(+) T cells were only present in low numbers. Analysis of NSG-derived NK cells revealed the expression of constitutively activated CD56(bright)CD16(-) killer Ig-like receptor(negative) NK cells that exhibited functional impairments. Thus, the data presented in this study demonstrate that humanized NSG mice can be successfully used to develop a xenotransplantation model that might allow patient-tailored treatment strategies in the future, but also highlight the need to improve this model, for example, by coadministration of differentiation-promoting cytokines and induction of human MHC molecules to complement existing deficiencies in NK and CD8(+) T cell development.
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Affiliation(s)
- Maya C André
- Department of Pediatric Hematology/Oncology, University Children's Hospital, Eberhard Karls University, Tuebingen, Germany
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Lupo-Stanghellini MT, Provasi E, Bondanza A, Ciceri F, Bordignon C, Bonini C. Clinical impact of suicide gene therapy in allogeneic hematopoietic stem cell transplantation. Hum Gene Ther 2010; 21:241-50. [PMID: 20121594 DOI: 10.1089/hum.2010.014] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Allogeneic hematopoietic stem cell transplantation (allo-SCT) from an HLA-matched related or unrelated donor is a curative option for patients with high-risk hematological diseases. In the absence of a matched donor, patients have been offered investigational transplantation strategies such as umbilical cord blood SCT or family haploidentical SCT. Besides the activity of the conditioning regimen, most of the antileukemic potential of allo-SCT relies on alloreactivity, promoted by donor lymphocytes reacting against patient-specific antigens, such as minor and major histocompatibility antigens, ultimately translating into cancer immunotherapy. Unfortunately, alloreactivity is also responsible for the most serious and frequent complication of allo-SCT: graft-versus-host-disease (GvHD). The risk of GvHD increases with the level of HLA disparity between host and donor, and leads to impaired quality of life and reduced survival expectancy, particularly among patients receiving transplants from HLA-mismatched donors. Gene transfer technologies are promising tools to manipulate donor T cell immunity to enforce the graft-versus-tumor effect, to promote functional immune reconstitution (graft vs. infection), and to prevent or control GvHD. To this purpose, several cell and gene transfer approaches have been investigated at the preclinical level, and are being implemented in clinical trials. Suicide gene therapy is to date the most extensive clinical application of T cell-based gene therapy. In several phase I-II clinical studies conducted worldwide this approach proved highly feasible, safe, and effective in promoting a dynamic and patient-specific modulation of alloreactivity. This review focuses on this approach.
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Affiliation(s)
- Maria Teresa Lupo-Stanghellini
- Hematology and Bone Marrow Transplantation Unit, Division of Regenerative Medicine, Gene Therapy, and Stem Cells, Program in Immunology, Gene Therapy, and Bioimmunotherapy of Cancer, San Raffaele Scientific Institute, 20132 Milan, Italy
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Mastaglio S, Stanghellini MTL, Bordignon C, Bondanza A, Ciceri F, Bonini C. Progress and prospects: graft-versus-host disease. Gene Ther 2010; 17:1309-17. [PMID: 20508597 DOI: 10.1038/gt.2010.83] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Graft-versus-host disease (GvHD) is one of the major complications of allogeneic hematopoietic stem cell transplantation, an otherwise highly effective therapeutic modality for patients affected by hematological diseases. The main inducers of GvHD are alloreactive donor T cells, which recognize host antigens presented by recipient cells. The critical role of lymphocytes in GvHD is well documented by the observation that T-cell depletion from the graft prevents GvHD. Unfortunately, the removal of donor lymphocytes from the graft increases the incidence of disease relapse and life-threatening infectious complications. Gene transfer technologies are promising tools to manipulate donor T-cell immunity to enforce graft-versus-tumor/graft-versus-infection while preventing or controlling GvHD. For this purpose, several cell and gene transfer approaches have been investigated at the preclinical level and implemented in clinical trials.
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Affiliation(s)
- S Mastaglio
- Hematology and BMT Unit, Department of Oncology, San Raffaele Scientific Institute, Milano, Italy
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Leen AM, Tripic T, Rooney CM. Challenges of T cell therapies for virus-associated diseases after hematopoietic stem cell transplantation. Expert Opin Biol Ther 2010; 10:337-51. [PMID: 20132056 DOI: 10.1517/14712590903456003] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
IMPORTANCE OF THE FIELD Hematopoietic stem cell transplantation (HSCT) is the treatment of choice for many hematological malignancies and genetic disorders. The majority of patients do not have a human leukocyte antigen (HLA) identical sibling donor, and alternative stem cell sources include HLA-matched or mismatched unrelated donors and haploidentical related donors. However, alternative donor HSCT are associated with three major complications i) graft rejection; ii) graft-versus-host disease (GvHD); and iii) delayed immune reconstitution leading to viral infections and relapse. AREAS COVERED IN THIS REVIEW Graft rejection and the risk of GvHD can be significantly reduced by using intensive conditioning regimens, including in vivo T cell depletion as well as ex vivo T cell depletion of the graft. However, the benefits of removing alloreactive T cells from the graft are offset by the concomitant removal of T cells with anti-viral or anti-tumor activity as well as the profound delay in endogenous T cell recovery post-transplant. Thus, opportunistic infections, many of which are not amenable to conventional small-molecule therapeutics, are frequent in these patients and are associated with significant morbidity and high mortality rates. This review discusses current cell therapies to prevent or treat viral infections/reactivations post-transplant. WHAT THE READER WILL GAIN The reader will gain an understanding of the current state of cell therapy to prevent and treat viral infections post-HSCT, and will be introduced to preclinical studies designed to develop and validate new manufacturing procedures intended to improve therapeutic efficacy and reduce associated toxicities. TAKE HOME MESSAGE Reconstitution of HSCT recipients with antigen-specific T cells, produced either by allodepletion or in vitro reactivation, can offer an effective strategy to provide both immediate and long-term protection without harmful alloreactivity.
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Affiliation(s)
- Ann M Leen
- The Methodist Hospital, Texas Children's Hospital, Center for Cell and Gene Therapy, Baylor College of Medicine, 1102 Bates Street, Houston, TX 77030, USA.
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