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Gerdemann U, Fleming RA, Kaminski J, McGuckin C, Rui X, Lane JF, Keskula P, Cagnin L, Shalek AK, Tkachev V, Kean LS. Identification and Tracking of Alloreactive T Cell Clones in Rhesus Macaques Through the RM-scTCR-Seq Platform. Front Immunol 2022; 12:804932. [PMID: 35154078 PMCID: PMC8825351 DOI: 10.3389/fimmu.2021.804932] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 12/22/2021] [Indexed: 01/14/2023] Open
Abstract
T cell receptor (TCR) clonotype tracking is a powerful tool for interrogating T cell mediated immune processes. New methods to pair a single cell's transcriptional program with its TCR identity allow monitoring of T cell clonotype-specific transcriptional dynamics. While these technologies have been available for human and mouse T cells studies, they have not been developed for Rhesus Macaques (RM), a critical translational organism for autoimmune diseases, vaccine development and transplantation. We describe a new pipeline, 'RM-scTCR-Seq', which, for the first time, enables RM specific single cell TCR amplification, reconstruction and pairing of RM TCR's with their transcriptional profiles. We apply this method to a RM model of GVHD, and identify and track in vitro detected alloreactive clonotypes in GVHD target organs and explore their GVHD driven cytotoxic T cell signature. This novel, state-of-the-art platform fundamentally advances the utility of RM to study protective and pathogenic T cell responses.
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Affiliation(s)
- Ulrike Gerdemann
- Division of Pediatric Hematology/Oncology, Boston Children's Hospital; Department of Pediatric Oncology, Dana Farber Cancer Institute and Harvard Medical School, Boston, MA, United States
| | - Ryan A Fleming
- Division of Pediatric Hematology/Oncology, Boston Children's Hospital; Department of Pediatric Oncology, Dana Farber Cancer Institute and Harvard Medical School, Boston, MA, United States
| | - James Kaminski
- Division of Pediatric Hematology/Oncology, Boston Children's Hospital; Department of Pediatric Oncology, Dana Farber Cancer Institute and Harvard Medical School, Boston, MA, United States.,Broad Institute of MIT and Harvard, Cambridge, MA, United States.,Department of Chemistry, Institute for Medical Engineering and Science (IMES), and Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, United States.,Ragon Institute of Massachusetts General Hospital (MGH), MIT and Harvard, Cambridge, MA, United States
| | - Connor McGuckin
- Division of Pediatric Hematology/Oncology, Boston Children's Hospital; Department of Pediatric Oncology, Dana Farber Cancer Institute and Harvard Medical School, Boston, MA, United States
| | - Xianliang Rui
- Division of Pediatric Hematology/Oncology, Boston Children's Hospital; Department of Pediatric Oncology, Dana Farber Cancer Institute and Harvard Medical School, Boston, MA, United States
| | - Jennifer F Lane
- Division of Pediatric Hematology/Oncology, Boston Children's Hospital; Department of Pediatric Oncology, Dana Farber Cancer Institute and Harvard Medical School, Boston, MA, United States
| | - Paula Keskula
- Division of Pediatric Hematology/Oncology, Boston Children's Hospital; Department of Pediatric Oncology, Dana Farber Cancer Institute and Harvard Medical School, Boston, MA, United States
| | - Lorenzo Cagnin
- Division of Pediatric Hematology/Oncology, Boston Children's Hospital; Department of Pediatric Oncology, Dana Farber Cancer Institute and Harvard Medical School, Boston, MA, United States
| | - Alex K Shalek
- Broad Institute of MIT and Harvard, Cambridge, MA, United States.,Department of Chemistry, Institute for Medical Engineering and Science (IMES), and Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, United States.,Ragon Institute of Massachusetts General Hospital (MGH), MIT and Harvard, Cambridge, MA, United States
| | - Victor Tkachev
- Division of Pediatric Hematology/Oncology, Boston Children's Hospital; Department of Pediatric Oncology, Dana Farber Cancer Institute and Harvard Medical School, Boston, MA, United States
| | - Leslie S Kean
- Division of Pediatric Hematology/Oncology, Boston Children's Hospital; Department of Pediatric Oncology, Dana Farber Cancer Institute and Harvard Medical School, Boston, MA, United States
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2
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Song S, Manook M, Kwun J, Jackson AM, Knechtle SJ, Kelsoe G. Allo-Specific Humoral Responses: New Methods for Screening Donor-Specific Antibody and Characterization of HLA-Specific Memory B Cells. Front Immunol 2021; 12:705140. [PMID: 34326847 PMCID: PMC8313870 DOI: 10.3389/fimmu.2021.705140] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Accepted: 06/22/2021] [Indexed: 12/28/2022] Open
Abstract
Antibody-mediated allograft rejection (AMR) causes more kidney transplant failure than any other single cause. AMR is mediated by antibodies recognizing antigens expressed by the graft, and antibodies generated against major histocompatibility complex (MHC) mismatches are especially problematic. Most research directed towards the management of clinical AMR has focused on identifying and characterizing circulating donor-specific HLA antibody (DSA) and optimizing therapies that reduce B-cell activation and/or block antibody secretion by inhibiting plasmacyte survival. Here we describe a novel set of reagents and techniques to allow more specific measurements of MHC sensitization across different animal transplant models. Additionally, we have used these approaches to isolate and clone individual HLA-specific B cells from patients sensitized by pregnancy or transplantation. We have identified and characterized the phenotypes of individual HLA-specific B cells, determined the V(D)J rearrangements of their paired H and L chains, and generated recombinant antibodies to determine affinity and specificity. Knowledge of the BCR genes of individual HLA-specific B cells will allow identification of clonally related B cells by high-throughput sequence analysis of peripheral blood mononuclear cells and permit us to re-construct the origins of HLA-specific B cells and follow their somatic evolution by mutation and selection.
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Affiliation(s)
- Shengli Song
- Department of Immunology, Duke University School of Medicine, Durham, NC, United States
| | - Miriam Manook
- Department of Surgery, Duke University School of Medicine, Durham, NC, United States
| | - Jean Kwun
- Department of Surgery, Duke University School of Medicine, Durham, NC, United States
| | - Annette M. Jackson
- Department of Immunology, Duke University School of Medicine, Durham, NC, United States
- Department of Surgery, Duke University School of Medicine, Durham, NC, United States
| | - Stuart J. Knechtle
- Department of Surgery, Duke University School of Medicine, Durham, NC, United States
| | - Garnett Kelsoe
- Department of Immunology, Duke University School of Medicine, Durham, NC, United States
- Department of Surgery, Duke University School of Medicine, Durham, NC, United States
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3
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Thomson AW, Sasaki K, Ezzelarab MB. Non-human Primate Regulatory T Cells and Their Assessment as Cellular Therapeutics in Preclinical Transplantation Models. Front Cell Dev Biol 2021; 9:666959. [PMID: 34211972 PMCID: PMC8239398 DOI: 10.3389/fcell.2021.666959] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Accepted: 05/21/2021] [Indexed: 11/13/2022] Open
Abstract
Non-human primates (NHP) are an important resource for addressing key issues regarding the immunobiology of regulatory T cells (Treg), their in vivo manipulation and the translation of adoptive Treg therapy to clinical application. In addition to their phenotypic and functional characterization, particularly in cynomolgus and rhesus macaques, NHP Treg have been isolated and expanded successfully ex vivo. Their numbers can be enhanced in vivo by administration of IL-2 and other cytokines. Both polyclonal and donor antigen (Ag) alloreactive NHP Treg have been expanded ex vivo and their potential to improve long-term outcomes in organ transplantation assessed following their adoptive transfer in combination with various cytoreductive, immunosuppressive and "Treg permissive" agents. In addition, important insights have been gained into the in vivo fate/biodistribution, functional stability, replicative capacity and longevity of adoptively-transferred Treg in monkeys. We discuss current knowledge of NHP Treg immunobiology, methods for their in vivo expansion and functional validation, and results obtained testing their safety and efficacy in organ and pancreatic islet transplantation models. We compare and contrast results obtained in NHP and mice and also consider prospects for future, clinically relevant studies in NHP aimed at improved understanding of Treg biology, and innovative approaches to promote and evaluate their therapeutic potential.
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Affiliation(s)
- Angus W Thomson
- Department of Surgery, Thomas E. Starzl Transplantation Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States.,Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States
| | - Kazuki Sasaki
- Department of Surgery, Thomas E. Starzl Transplantation Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States
| | - Mohamed B Ezzelarab
- Department of Surgery, Thomas E. Starzl Transplantation Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States
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de Groot NG, Heijmans CMC, Bezstarosti S, Bruijnesteijn J, Haasnoot GW, Mulder A, Claas FHJ, Heidt S, Bontrop RE. Two Human Monoclonal HLA-Reactive Antibodies Cross-React with Mamu-B*008, a Rhesus Macaque MHC Allotype Associated with Control of Simian Immunodeficiency Virus Replication. THE JOURNAL OF IMMUNOLOGY 2021; 206:1957-1965. [PMID: 33692147 DOI: 10.4049/jimmunol.2001405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 02/02/2021] [Indexed: 11/19/2022]
Abstract
MHC class I molecules play an important role in adaptive immune responses against intracellular pathogens. These molecules are highly polymorphic, and many allotypes have been characterized. In a transplantation setting, a mismatch between MHC allotypes may initiate an alloimmune response. Rhesus macaques (Macaca mulatta, Mamu) are valuable as a preclinical model species in transplantation research as well as to evaluate the safety and efficacy of vaccine candidates. In both lines of research, the availability of nonhuman primate MHC-reactive mAbs may enable in vitro monitoring and detection of presence of particular Mamu molecules. In this study, we screened a collection of thoroughly characterized HLA class I-specific human mAbs for cross-reactivity with rhesus macaque MHC class I allotypes. Two mAbs, OK4F9 and OK4F10, recognize an epitope that is defined by isoleucine (I) at amino acid position 142 that is present on the Indian rhesus macaque Mamu-B*008:01 allotype, which is an allotype known to be associated with elite control of SIV replication. The reactive pattern of a third mAb, MUS4H4, is more complex and includes an epitope shared on Mamu-A2*05:01 and -B*001:01-encoded Ags. This is the first description, to our knowledge, of human HLA-reactive mAbs that can recognize Mamu allotypes, and these can be useful tools for in vitro monitoring the presence of the relevant allelic products. Moreover, OK4F9 and OK4F10 can be powerful mAbs for application in SIV-related research.
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Affiliation(s)
- Natasja G de Groot
- Department of Comparative Genetics and Refinement, Biomedical Primate Research Centre, 2288 GJ Rijswijk, the Netherlands;
| | - Corrine M C Heijmans
- Department of Comparative Genetics and Refinement, Biomedical Primate Research Centre, 2288 GJ Rijswijk, the Netherlands
| | - Suzanne Bezstarosti
- Department of Immunology, Leiden University Medical Center, 2333 ZA Leiden, the Netherlands; and
| | - Jesse Bruijnesteijn
- Department of Comparative Genetics and Refinement, Biomedical Primate Research Centre, 2288 GJ Rijswijk, the Netherlands
| | - Geert W Haasnoot
- Department of Immunology, Leiden University Medical Center, 2333 ZA Leiden, the Netherlands; and
| | - Arend Mulder
- Department of Immunology, Leiden University Medical Center, 2333 ZA Leiden, the Netherlands; and
| | - Frans H J Claas
- Department of Immunology, Leiden University Medical Center, 2333 ZA Leiden, the Netherlands; and
| | - Sebastiaan Heidt
- Department of Immunology, Leiden University Medical Center, 2333 ZA Leiden, the Netherlands; and
| | - Ronald E Bontrop
- Department of Comparative Genetics and Refinement, Biomedical Primate Research Centre, 2288 GJ Rijswijk, the Netherlands.,Theoretical Biology and Bioinformatics, Utrecht University, 3584 CH Utrecht, the Netherlands
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5
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Kwun J, Knechtle S. Experimental modeling of desensitization: What have we learned about preventing AMR? Am J Transplant 2020; 20 Suppl 4:2-11. [PMID: 32538533 PMCID: PMC7522789 DOI: 10.1111/ajt.15873] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 03/06/2020] [Accepted: 03/09/2020] [Indexed: 01/25/2023]
Abstract
During the past 5 decades, short-term outcomes in kidney transplant have significantly improved, in large part due to reduced rates and severity of acute rejection. Development of better immunosuppressive maintenance agents, as well as new induction therapies, helped make these advances. Nonhuman primate models provided a rigorous testing platform to evaluate candidate biologics during this process. However, antibody-mediated rejection remains a major cause of late failure of kidney allografts despite advances made in pharmacologic immunosuppression and strategies developed to facilitate improved donor-recipient matching. Our laboratory has been actively working to develop strategies to prevent and treat antibody-mediated rejection and immunologic sensitization in organ transplant, relying largely on a nonhuman primate model of kidney transplant. In this review, we will cover outcomes achieved by managing antibody-mediated rejection or sensitization in nonhuman primate models and discuss promises, limitations, and future directions for this model.
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Affiliation(s)
- Jean Kwun
- Address all correspondence and requests for reprints to: Jean Kwun, PhD, 207 Research Drive, Jones 362, DUMC Box 2645, Durham, NC 27710, USA Phone: 919-668-6792; Fax: 919-684-8716;
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Heijmans CMC, de Groot NG, Bontrop RE. Comparative genetics of the major histocompatibility complex in humans and nonhuman primates. Int J Immunogenet 2020; 47:243-260. [PMID: 32358905 DOI: 10.1111/iji.12490] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 04/01/2020] [Accepted: 04/12/2020] [Indexed: 12/13/2022]
Abstract
The major histocompatibility complex (MHC) is one of the most gene-dense regions of the mammalian genome. Multiple genes within the human MHC (HLA) show extensive polymorphism, and currently, more than 26,000 alleles divided over 39 different genes are known. Nonhuman primate (NHP) species are grouped into great and lesser apes and Old and New World monkeys, and their MHC is studied mostly because of their important role as animal models in preclinical research or in connection with conservation biology purposes. The evolutionary equivalents of many of the HLA genes are present in NHP species, and these genes may also show abundant levels of polymorphism. This review is intended to provide a comprehensive comparison relating to the organization and polymorphism of human and NHP MHC regions.
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Affiliation(s)
- Corrine M C Heijmans
- Department of Comparative Genetics and Refinement, Biomedical Primate Research Centre, Rijswijk, The Netherlands
| | - Natasja G de Groot
- Department of Comparative Genetics and Refinement, Biomedical Primate Research Centre, Rijswijk, The Netherlands
| | - Ronald E Bontrop
- Department of Comparative Genetics and Refinement, Biomedical Primate Research Centre, Rijswijk, The Netherlands.,Theoretical Biology and Bioinformatics, Utrecht University, Utrecht, The Netherlands
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Thomson AW, Ezzelarab MB. Generation and functional assessment of nonhuman primate regulatory dendritic cells and their therapeutic efficacy in renal transplantation. Cell Immunol 2020; 351:104087. [PMID: 32197811 DOI: 10.1016/j.cellimm.2020.104087] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 03/06/2020] [Accepted: 03/06/2020] [Indexed: 12/29/2022]
Abstract
Nonhuman primates (NHP) are important pre-clinical models for evaluation of the safety and efficacy of the most promising potential therapeutic advances in organ transplantation based on rodent studies. Although rare, dendritic cells (DC) play important roles in preservation of self tolerance and DC with immunoregulatory properties (regulatory DC; DCreg) can promote transplant tolerance in rodents when adoptively transferred to allograft recipients. NHP DCreg can be generated ex vivo from bone marrow precursors or blood monocytes of cynomolgus or rhesus macaques or baboons. NHP DCreg generated in the presence of anti-inflammatory factors that confer stability and resistance to maturation, subvert alloreactive T cell responses. When infused into rhesus renal allograft recipients before transplant, they safely prolong MHC mis-matched graft survival, associated with attenuation of anti-donor immune reactivity. In this concise review we describe the properties of NHP DCreg and discuss their influence on T cell responses, alloimmunity and organ transplant survival.
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Affiliation(s)
- Angus W Thomson
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA; Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA.
| | - Mohamed B Ezzelarab
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA.
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8
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Ezzelarab MB, Perez-Gutierrez A, Humar A, Wijkstrom M, Zahorchak AF, Lu-Casto L, Wang YC, Wiseman RW, Minervini M, Thomson AW. Preliminary assessment of the feasibility of autologous myeloid-derived suppressor cell infusion in non-human primate kidney transplantation. Transpl Immunol 2019; 56:101225. [PMID: 31330261 DOI: 10.1016/j.trim.2019.101225] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 07/15/2019] [Accepted: 07/16/2019] [Indexed: 02/06/2023]
Abstract
Myeloid-derived suppressor cells (MDSC) are a heterogenous population of immunosuppressive myeloid cells now considered important immune regulatory cells in diverse clinical conditions, including cancer, chronic inflammatory disorders and transplantation. In rodents, MDSC administration can inhibit graft-versus-host disease lethality and enhance organ or pancreatic islet allograft survival. There is also evidence, however, that under systemic inflammatory conditions, adoptively-transferred MDSC can rapidly lose their suppressive function. To our knowledge, there are no reports of autologous MDSC administration to either human or clinically-relevant non-human primate (NHP) transplant recipients. Monocytic (m) MDSC have been shown to be more potent suppressors of T cell responses than other subsets of MDSC. Following their characterization in rhesus macaques, we have conducted a preliminary analysis of the feasibility and preliminary efficacy of purified mMDSC infusion into MHC-mismatched rhesus kidney allograft recipients. The graft recipients were treated with rapamycin and the high affinity variant of the T cell co-stimulation blocking agent cytotoxic T lymphocyte antigen 4 Ig (Belatacept) that targets the B7-CD28 pathway. Graft survival and histology were not affected by infusions of autologous, leukapheresis product-derived mMDSC on days 7 and 14 post-transplant (cumulative totals of 3.19 and 1.98 × 106 cells/kg in n = 2 recipients) compared with control monkeys that did not receive MDSC (n = 2). Sequential analyses of effector T cell populations revealed no differences between the groups. While these initial findings do not provide evidence of efficacy under the conditions adopted, further studies in NHP, designed to ascertain the appropriate mMDSC source and dose, timing and anti-inflammatory/immunosuppressive agent support are likely to prove instructive regarding the therapeutic potential of MDSC in organ transplantation.
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Affiliation(s)
- Mohamed B Ezzelarab
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
| | - Angelica Perez-Gutierrez
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Abhinav Humar
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
| | - Martin Wijkstrom
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
| | - Alan F Zahorchak
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
| | - Lien Lu-Casto
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
| | - Yu-Chao Wang
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
| | - Roger W Wiseman
- Wisconsin National Primate Research Center, University of Wisconsin-Madison, Madison, WI, USA.
| | - Marta Minervini
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA; Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
| | - Angus W Thomson
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA; Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
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