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Roberto A, Di Vito C, Zaghi E, Mazza EMC, Capucetti A, Calvi M, Tentorio P, Zanon V, Sarina B, Mariotti J, Bramanti S, Tenedini E, Tagliafico E, Bicciato S, Santoro A, Roederer M, Marcenaro E, Castagna L, Lugli E, Mavilio D. The early expansion of anergic NKG2A pos/CD56 dim/CD16 neg natural killer represents a therapeutic target in haploidentical hematopoietic stem cell transplantation. Haematologica 2018; 103:1390-1402. [PMID: 29700172 PMCID: PMC6068034 DOI: 10.3324/haematol.2017.186619] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2017] [Accepted: 04/23/2018] [Indexed: 12/16/2022] Open
Abstract
Natural killer cells are the first lymphocyte population to reconstitute early after non-myeloablative and T cell-replete haploidentical hematopoietic stem cell transplantation with post-transplant infusion of cyclophosphamide. The study herein characterizes the transient and predominant expansion starting from the second week following haploidentical hematopoietic stem cell transplantation of a donor-derived unconventional subset of NKp46neg-low/CD56dim/CD16neg natural killer cells expressing remarkably high levels of CD94/NKG2A. Both transcription and phenotypic profiles indicated that unconventional NKp46neg-low/CD56dim/CD16neg cells are a distinct natural killer cell subpopulation with features of late stage differentiation, yet retaining proliferative capability and functional plasticity to generate conventional NKp46pos/CD56bright/CD16neg-low cells in response to interleukin-15 plus interleukin-18. While present at low frequency in healthy donors, unconventional NKp46neg-low/CD56dim/CD16neg cells are greatly expanded in the seven weeks following haploidentical hematopoietic stem cell transplantation, and express high levels of the activating receptors NKG2D and NKp30 as well as of the lytic granules Granzyme-B and Perforin. Nonetheless, NKp46neg-low/CD56dim/CD16neg cells displayed a markedly defective cytotoxicity that could be reversed by blocking the inhibitory receptor CD94/NKG2A. These data open new and important perspectives to better understand the ontogenesis/homeostasis of human natural killer cells and to develop a novel immune-therapeutic approach that targets the inhibitory NKG2A check-point, thus unleashing natural killer cell alloreactivity early after haploidentical hematopoietic stem cell transplantation.
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Affiliation(s)
- Alessandra Roberto
- Laboratory of Translational Immunology, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Clara Di Vito
- Unit of Clinical and Experimental Immunology, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Elisa Zaghi
- Unit of Clinical and Experimental Immunology, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Emilia Maria Cristina Mazza
- Laboratory of Translational Immunology, Humanitas Clinical and Research Center, Rozzano, Milan, Italy.,Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Arianna Capucetti
- Unit of Clinical and Experimental Immunology, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Michela Calvi
- Unit of Clinical and Experimental Immunology, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Paolo Tentorio
- Unit of Clinical and Experimental Immunology, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Veronica Zanon
- Laboratory of Translational Immunology, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Barbara Sarina
- Bone Marrow Transplant Unit, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Jacopo Mariotti
- Bone Marrow Transplant Unit, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Stefania Bramanti
- Bone Marrow Transplant Unit, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Elena Tenedini
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Enrico Tagliafico
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Silvio Bicciato
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Armando Santoro
- Bone Marrow Transplant Unit, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Mario Roederer
- ImmunoTechnology Section, Vaccine Research Center, NIAID, NIH, Bethesda, MD, USA
| | - Emanuela Marcenaro
- Dipartimento di Medicina Sperimentale (DI.ME.S.) and Centro di Eccellenza per le Ricerche Biomediche (CEBR) Università degli Studi di Genova, Italy
| | - Luca Castagna
- Bone Marrow Transplant Unit, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Enrico Lugli
- Laboratory of Translational Immunology, Humanitas Clinical and Research Center, Rozzano, Milan, Italy .,Humanitas Flow Cytometry Core, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Domenico Mavilio
- Unit of Clinical and Experimental Immunology, Humanitas Clinical and Research Center, Rozzano, Milan, Italy .,Department of Medical Biotechnologies and Translational Medicine (BioMeTra), University of Milan, Italy
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Abstract
The membrane glycoprotein CD200, which has a widespread but defined distribution and a structurally similar receptor (CD200R) that transmits an inhibitory signal to cells of the hematopoetic lineage, especially myeloid cells, has been characterized. CD200R expression is restricted predominantly to cells of the myeloid lineage indicating that this ligand/receptor pair has a specific role in controlling myeloid cell function. In addition to CD200R, several related genes have been identified. Whether these gene products also regulate immune function is controversial. CD200R is also expressed by certain subsets of T cells and CD200 may be expressed by antigen-presenting cells, adding additional layers of complexity to the CD200/CD200R axis. Because monocytic myeloid cells provide a link between the innate and adaptive immune response, mechanisms to control their function through receptors such as CD200R will have therapeutic potential. Regulation of immune responses is accomplished by the concerted, but opposing, activity of kinases and phosphatases, fine control often being achieved through paired receptors. In this review, we will consider whether CD200R signaling functions within a framework of paired activating and inhibitory receptors and whether the inhibitory signal delivered has functional consequences beyond inhibition of myeloid cell proinflammatory activation.
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Affiliation(s)
- Konstantinos Minas
- Department of Ophthalmology, Institute of Medical Sciences, University of Aberdeen, Foresterhill, Aberdeen, UK AB25 2ZD
| | - Janet Liversidge
- Department of Ophthalmology, Institute of Medical Sciences, University of Aberdeen, Foresterhill, Aberdeen, UK AB25 2ZD
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Auletta JJ, Lazarus HM. Immune restoration following hematopoietic stem cell transplantation: an evolving target. Bone Marrow Transplant 2005; 35:835-57. [PMID: 15778723 DOI: 10.1038/sj.bmt.1704966] [Citation(s) in RCA: 83] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Hematopoietic stem cell transplantation (HSCT) is the definitive cure for many malignant and nonmalignant diseases. However, delays in immune reconstitution (IR) following HSCT significantly limit the success of transplantation and increase the risk for infection and disease relapse in the transplant recipient. Therefore, ways to measure and to manipulate immune recovery following HSCT are emerging and their success depends directly upon an enhanced understanding for the underlying mechanisms responsible for reconstituted immunity and hematopoiesis. Recent discoveries in the activation, function, and regulation of dendritic cell (DC), natural killer (NK) cell, and T-lymphocyte subtypes have been critical in developing immunotherapies used to prevent graft-versus-host disease and to enhance graft-versus-leukemia. For example, regulatory T cells that induce tolerance and NK receptor-tumor ligand disparities that result in tumor lysis are being used to minimize GVHD and tumor burden, respectively. Furthermore, expansion and modulation of immune effector cells are being used to augment hematopoietic and immune recovery and to decrease transplant-related toxicity in the transplant recipient. Specifically, DC expansion and incorporation into antitumor and anti-microbial vaccines is fast approaching application into clinical trials. This paper will review our current understanding for IR following HSCT and the novel ways in which to restore immune function and decrease transplant-related toxicity in the transplant recipient.
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Affiliation(s)
- J J Auletta
- Comprehensive Cancer Center, Case Western Reserve University/University Hospitals of Cleveland, Cleveland, OH, USA.
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Tanaka J, Asaka M, Imamura M. Potential Role of Natural Killer Cell Receptor-Expressing Cells in Immunotherapy for Leukemia. Int J Hematol 2005; 81:6-12. [PMID: 15717681 DOI: 10.1532/ijh97.04152] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Natural killer cell receptor (NKR)-expressing cells have cytolytic activity against leukemic cells, and solid tumor cells escape from T-cell recognition because of the low expression levels of class I HLA molecules in both allogeneic and autologous settings. This characteristic feature of NK cell recognition of target cells in contrast with that of T-cells provides a strategy to overcome tolerance in the tumor-bearing host. Furthermore, inhibitory NKR-expressing cells may have cytolytic activity and immunoregulatory functions. Several methods can be used to expand NKR-expressing cells for adoptive immunotherapy for leukemia and other malignant diseases. We review recent developments in the biology and clinical application of NKR-expressing cells, such as NK cells, lymphokine-activated killer cells, cytokine-induced killer cells, NKT cells, and other NKR-expressing cells.
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Affiliation(s)
- Junji Tanaka
- Hematology and Oncology, Hokkaido University Graduate School of Medicine, Sapporo, Japan.
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Torrealba JR, Katayama M, Fechner JH, Jankowska-Gan E, Kusaka S, Xu Q, Schultz JM, Oberley TD, Hu H, Hamawy MM, Jonker M, Wubben J, Doxiadis G, Bontrop R, Burlingham WJ, Knechtle SJ. Metastable tolerance to rhesus monkey renal transplants is correlated with allograft TGF-beta 1+CD4+ T regulatory cell infiltrates. THE JOURNAL OF IMMUNOLOGY 2004; 172:5753-64. [PMID: 15100322 DOI: 10.4049/jimmunol.172.9.5753] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Approaches that prevent acute rejection of renal transplants in a rhesus monkey model were studied to determine a common mechanism of acceptance. After withdrawal of immunosuppression, all 14 monkeys retained normal allograft function for >6 mo. Of these, nine rejected their renal allograft during the study, and five maintained normal function throughout the study period. The appearance of TGF-beta 1(+) interstitial mononuclear cells in the graft coincided with a nonrejection histology, whereas the absence/disappearance of these cells was observed with the onset of rejection. Analysis with a variety of TGF-beta 1-reactive Abs indicated that the tolerance-associated infiltrates expressed the large latent complex form of TGF-beta 1. Peripheral leukocytes from rejecting monkeys lacking TGF-beta 1(+) allograft infiltrates responded strongly to donor Ags in delayed-type hypersensitivity trans-vivo assays. In contrast, allograft acceptors with TGF-beta 1(+) infiltrates demonstrated a much weaker peripheral delayed-type hypersensitivity response to donor alloantigens (p < 0.01 vs rejectors), which could be restored by Abs that either neutralized active TGF-beta 1 or blocked its conversion from latent to active form. Anti-IL-10 Abs had no restorative effect. Accepted allografts had CD8(+) and CD4(+) interstitial T cell infiltrates, but only the CD4(+) subset included cells costaining for TGF-beta 1. Our data support the hypothesis that the recruitment of CD4(+) T regulatory cells to the allograft interstitium is a final common pathway for metastable renal transplant tolerance in a non-human primate model.
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Affiliation(s)
- Jose R Torrealba
- Department of Pathology, University of Wisconsin and Veterans Affairs Hospital, Madison, WI 53792, USA
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