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Ash S, Askenasy N. Immunotherapy for neuroblastoma by hematopoietic cell transplantation and post-transplant immunomodulation. Crit Rev Oncol Hematol 2023; 185:103956. [PMID: 36893946 DOI: 10.1016/j.critrevonc.2023.103956] [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: 06/04/2021] [Revised: 12/14/2022] [Accepted: 03/04/2023] [Indexed: 03/09/2023] Open
Abstract
Neuroblastoma represents a relatively common childhood tumor that imposes therapeutic difficulties. High risk neuroblastoma patients have poor prognosis, display limited response to radiochemotherapy and may be treated by hematopoietic cell transplantation. Allogeneic and haploidentical transplants have the distinct advantage of reinstitution of immune surveillance, reinforced by antigenic barriers. The key factors favorable to ignition of potent anti-tumor reactions are transition to adaptive immunity, recovery from lymphopenia and removal of inhibitory signals that inactivate immune cells at the local and systemic levels. Post-transplant immunomodulation may further foster anti-tumor reactivity, with positive but transient impact of infusions of lymphocytes and natural killer cells both from the donor, the recipient or third party. The most promising approaches include introduction of antigen-presenting cells in early post-transplant stages and neutralization of inhibitory signals. Further studies will likely shed light on the nature and actions of suppressor factors within tumor stroma and at the systemic level.
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Affiliation(s)
- Shifra Ash
- Department of Pediatric Hematology-Oncology, Rambam Medical Center, Haifa, Israel; Frankel Laboratory of Bone Marrow Transplantation, Schneider Children's Medical Center of Israel, Petach Tikva, Israel.
| | - Nadir Askenasy
- Frankel Laboratory of Bone Marrow Transplantation, Schneider Children's Medical Center of Israel, Petach Tikva, Israel
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2
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Krejcik J, Barnkob MB, Nyvold CG, Larsen TS, Barington T, Abildgaard N. Harnessing the Immune System to Fight Multiple Myeloma. Cancers (Basel) 2021; 13:4546. [PMID: 34572773 PMCID: PMC8467095 DOI: 10.3390/cancers13184546] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 09/03/2021] [Accepted: 09/06/2021] [Indexed: 12/14/2022] Open
Abstract
Multiple myeloma (MM) is a heterogeneous plasma cell malignancy differing substantially in clinical behavior, prognosis, and response to treatment. With the advent of novel therapies, many patients achieve long-lasting remissions, but some experience aggressive and treatment refractory relapses. So far, MM is considered incurable. Myeloma pathogenesis can broadly be explained by two interacting mechanisms, intraclonal evolution of cancer cells and development of an immunosuppressive tumor microenvironment. Failures in isotype class switching and somatic hypermutations result in the neoplastic transformation typical of MM and other B cell malignancies. Interestingly, although genetic alterations occur and evolve over time, they are also present in premalignant stages, which never progress to MM, suggesting that genetic mutations are necessary but not sufficient for myeloma transformation. Changes in composition and function of the immune cells are associated with loss of effective immune surveillance, which might represent another mechanism driving malignant transformation. During the last decade, the traditional view on myeloma treatment has changed dramatically. It is increasingly evident that treatment strategies solely based on targeting intrinsic properties of myeloma cells are insufficient. Lately, approaches that redirect the cells of the otherwise suppressed immune system to take control over myeloma have emerged. Evidence of utility of this principle was initially established by the observation of the graft-versus-myeloma effect in allogeneic stem cell-transplanted patients. A variety of new strategies to harness both innate and antigen-specific immunity against MM have recently been developed and intensively tested in clinical trials. This review aims to give readers a basic understanding of how the immune system can be engaged to treat MM, to summarize the main immunotherapeutic modalities, their current role in clinical care, and future prospects.
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Affiliation(s)
- Jakub Krejcik
- Centre for Cellular Immunotherapy of Haematological Cancer Odense (CITCO), Odense University Hospital, 5000 Odense, Denmark; (J.K.); (M.B.B.); (C.G.N.); (T.S.L.); (T.B.)
- Department of Haematology, Odense University Hospital, 5000 Odense, Denmark
- Haematology Research Unit, Department of Clinical Research, University of Southern Denmark, 5000 Odense, Denmark
| | - Mike Bogetofte Barnkob
- Centre for Cellular Immunotherapy of Haematological Cancer Odense (CITCO), Odense University Hospital, 5000 Odense, Denmark; (J.K.); (M.B.B.); (C.G.N.); (T.S.L.); (T.B.)
- Department of Clinical Immunology, Odense University Hospital, 5000 Odense, Denmark
| | - Charlotte Guldborg Nyvold
- Centre for Cellular Immunotherapy of Haematological Cancer Odense (CITCO), Odense University Hospital, 5000 Odense, Denmark; (J.K.); (M.B.B.); (C.G.N.); (T.S.L.); (T.B.)
- Haematology Research Unit, Department of Clinical Research, University of Southern Denmark, 5000 Odense, Denmark
- Haematology-Pathology Research Laboratory, Research Unit for Haematology and Research Unit for Pathology, University of Southern Denmark and Odense University Hospital, 5000 Odense, Denmark
| | - Thomas Stauffer Larsen
- Centre for Cellular Immunotherapy of Haematological Cancer Odense (CITCO), Odense University Hospital, 5000 Odense, Denmark; (J.K.); (M.B.B.); (C.G.N.); (T.S.L.); (T.B.)
- Department of Haematology, Odense University Hospital, 5000 Odense, Denmark
- Haematology Research Unit, Department of Clinical Research, University of Southern Denmark, 5000 Odense, Denmark
| | - Torben Barington
- Centre for Cellular Immunotherapy of Haematological Cancer Odense (CITCO), Odense University Hospital, 5000 Odense, Denmark; (J.K.); (M.B.B.); (C.G.N.); (T.S.L.); (T.B.)
- Department of Clinical Immunology, Odense University Hospital, 5000 Odense, Denmark
| | - Niels Abildgaard
- Centre for Cellular Immunotherapy of Haematological Cancer Odense (CITCO), Odense University Hospital, 5000 Odense, Denmark; (J.K.); (M.B.B.); (C.G.N.); (T.S.L.); (T.B.)
- Department of Haematology, Odense University Hospital, 5000 Odense, Denmark
- Haematology Research Unit, Department of Clinical Research, University of Southern Denmark, 5000 Odense, Denmark
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Franssen LE, Mutis T, Lokhorst HM, van de Donk NWCJ. Immunotherapy in myeloma: how far have we come? Ther Adv Hematol 2019; 10:2040620718822660. [PMID: 30719268 PMCID: PMC6348514 DOI: 10.1177/2040620718822660] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Accepted: 12/06/2018] [Indexed: 12/31/2022] Open
Abstract
The treatment of multiple myeloma (MM) has evolved substantially over the past decades, leading to a significantly improved outcome of MM patients. The introduction of high-dose therapy, especially, and autologous stem cell transplantation, as well as the development of new drugs, such as immunomodulatory drugs (IMiDs) and proteasome inhibitors have contributed to the improvement in survival. However, eventually most MM patients relapse, which indicates that there is a need for new agents and novel treatment strategies. Importantly, the long-term survival in a subset of MM patients after allogeneic stem cell transplantation illustrates the potential of immunotherapy in MM, but allogeneic stem cell transplantation is also associated with a high rate of treatment-related mortality. Recently, a better insight into several immune-evasion mechanisms, which contribute to tumor progression, has resulted in the development of active and well-tolerated novel forms of immunotherapy. These immunotherapeutic agents can be used as monotherapy, or, even more successfully, in combination with other established anti-MM agents to further improve depth and duration of response by preventing the outgrowth of resistant clones. This review will discuss the mechanisms used by MM cells to evade the immune system, and also provide an overview of currently approved immunotherapeutic drugs, such as IMiDs (e.g. lenalidomide and pomalidomide) and monoclonal antibodies that target cell surface antigens present on the MM cell (e.g. elotuzumab and daratumumab), as well as novel immunotherapies (e.g. chimeric antigen receptor T-cells, bispecific antibodies and checkpoint inhibitors) currently in clinical development in MM.
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Affiliation(s)
- Laurens E Franssen
- Department of Hematology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Tuna Mutis
- Department of Hematology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Henk M Lokhorst
- Department of Hematology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Niels W C J van de Donk
- Department of Hematology, Amsterdam UMC, Vrije Universiteit Amsterdam, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands
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Cruz GI, Shao X, Quach H, Quach D, Ho KA, Sterba K, Noble JA, Patsopoulos NA, Busch MP, Triulzi DJ, Ladas N, Blasczyk R, Wong WSW, Solomon BD, Niederhuber JE, Criswell LA, Barcellos LF. Mother-child histocompatibility and risk of rheumatoid arthritis and systemic lupus erythematosus among mothers. Genes Immun 2019; 21:27-36. [PMID: 30635658 PMCID: PMC7039805 DOI: 10.1038/s41435-018-0055-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 10/20/2018] [Accepted: 11/01/2018] [Indexed: 12/12/2022]
Abstract
The study objective was to test the hypothesis that having histocompatible children increases the risk of rheumatoid arthritis (RA) and systemic lupus erythematosus (SLE), possibly by contributing to the persistence of fetal cells acquired during pregnancy. We conducted a case control study using data from the UC San Francisco Mother Child Immunogenetic Study and studies at the Inova Translational Medicine Institute. We imputed human leukocyte antigen (HLA) alleles and minor histocompatibility antigens (mHags). We created a variable of exposure to histocompatible children. We estimated an average sequence similarity matching (SSM) score for each mother based on discordant mother-child alleles as a measure of histocompatibility. We used logistic regression models to estimate odds ratios (ORs) and 95% confidence intervals. A total of 138 RA, 117 SLE, and 913 control mothers were analyzed. Increased risk of RA was associated with having any child compatible at HLA-B (OR 1.9; 1.2-3.1), DPB1 (OR 1.8; 1.2-2.6) or DQB1 (OR 1.8; 1.2-2.7). Compatibility at mHag ZAPHIR was associated with reduced risk of SLE among mothers carrying the HLA-restriction allele B*07:02 (n = 262; OR 0.4; 0.2-0.8). Our findings support the hypothesis that mother-child histocompatibility is associated with risk of RA and SLE.
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Affiliation(s)
- Giovanna I Cruz
- Genetic Epidemiology and Genomics Lab, Division of Epidemiology, School of Public Health, University of California Berkeley, 324 Stanley Hall, Berkeley, CA, 94720-3220, USA
| | - Xiaorong Shao
- Genetic Epidemiology and Genomics Lab, Division of Epidemiology, School of Public Health, University of California Berkeley, 324 Stanley Hall, Berkeley, CA, 94720-3220, USA
| | - Hong Quach
- Genetic Epidemiology and Genomics Lab, Division of Epidemiology, School of Public Health, University of California Berkeley, 324 Stanley Hall, Berkeley, CA, 94720-3220, USA
| | - Diana Quach
- Genetic Epidemiology and Genomics Lab, Division of Epidemiology, School of Public Health, University of California Berkeley, 324 Stanley Hall, Berkeley, CA, 94720-3220, USA
| | - Kimberly A Ho
- Rosalind Russell/Ephraim P. Engleman Rheumatology Research Center, Department of Medicine, University of California San Francisco, San Francisco, CA, 94143, USA
| | - Kirsten Sterba
- Rosalind Russell/Ephraim P. Engleman Rheumatology Research Center, Department of Medicine, University of California San Francisco, San Francisco, CA, 94143, USA
| | - Janelle A Noble
- Children's Hospital Oakland Research Institute, 5700 M.L.K. Jr. Way, Oakland, CA, 94609, USA
| | - Nikolaos A Patsopoulos
- Division of Genetics, Department of Medicine, Brigham & Women's Hospital, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA, 02115, USA.,Program in Translational Neuropsychiatric Genomics, Institute for the Neurosciences, Department of Neurology, Brigham & Women's Hospital, 75 Francis Street, Boston, MA, 02115, USA.,Program in Medical and Population Genetics, Broad Institute of Massachusetts Institute of Technology and Harvard, 415 Main Street, Cambridge, MA, 02142, USA
| | - Michael P Busch
- Blood Systems Research Institute, 270 Masonic Avenue, San Francisco, CA, 94118-4417, USA
| | - Darrell J Triulzi
- Institute for Transfusion Medicine, Department of Pathology, University of Pittsburgh, 3636 Blvd. of the Allies, Pittsburgh, PA, 15213, USA
| | - Nektarios Ladas
- Institute for Transfusion Medicine, Hannover Medical School, Hannover, Germany
| | - Rainer Blasczyk
- Institute for Transfusion Medicine, Hannover Medical School, Hannover, Germany
| | - Wendy S W Wong
- Division of Medical Genomics, Inova Translational Medicine Institute, 8110 Gatehouse Road, Falls Church, VA, 22042, USA
| | - Benjamin D Solomon
- Division of Medical Genomics, Inova Translational Medicine Institute, 8110 Gatehouse Road, Falls Church, VA, 22042, USA
| | - John E Niederhuber
- Division of Medical Genomics, Inova Translational Medicine Institute, 8110 Gatehouse Road, Falls Church, VA, 22042, USA.,School of Medicine, Johns Hopkins University, Baltimore, MD, 21205, USA
| | - Lindsey A Criswell
- Rosalind Russell/Ephraim P. Engleman Rheumatology Research Center, Department of Medicine, University of California San Francisco, San Francisco, CA, 94143, USA
| | - Lisa F Barcellos
- Genetic Epidemiology and Genomics Lab, Division of Epidemiology, School of Public Health, University of California Berkeley, 324 Stanley Hall, Berkeley, CA, 94720-3220, USA. .,California Institute for Quantitative Biosciences (QB3), University of California Berkeley, 174 Stanley Hall, Berkeley, CA, 94720-3220, USA.
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5
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Lower FOXP3 mRNA Expression in First-Trimester Decidual Tissue from Uncomplicated Term Pregnancies with a Male Fetus. J Immunol Res 2018; 2018:1950879. [PMID: 30003112 PMCID: PMC5996436 DOI: 10.1155/2018/1950879] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Revised: 04/05/2018] [Accepted: 04/22/2018] [Indexed: 12/16/2022] Open
Abstract
Pregnancies with a male fetus are associated with higher risks of pregnancy complications through maladaptation of the maternal immune system. The pathophysiology of this phenomenon is unknown. A possible pathway could be a fetal sex-dependent maternal immune response, since males have a Y chromosome encoding specific allogenic proteins, possibly contributing to a different response and higher complication risks. To analyze whether fetal sex affects mRNA expression of maternal immune genes in early pregnancy, real-time PCR quantification was performed in the decidual tissue from primigravid pregnancies (n = 20) between 10 and 12 weeks with uncomplicated term outcomes. Early-pregnancy decidual mRNA expression of the regulatory T-cell marker, FOXP3, was sixfold lower (p < 0.01) in pregnancies with a male fetus compared to pregnancies with a female fetus. Additionally, mRNA expression of IFNγ was sixfold (p < 0.05) lower in pregnancies with a male fetus. The present data imply maternal immunologic differences between pregnancies with male and female fetuses which could be involved in different pregnancy pathophysiologic outcomes. Moreover, this study indicates that researchers in reproductive immunology should always consider fetal sex bias.
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Reddy P, Ferrara JL. Graft-Versus-Host Disease and Graft-Versus-Leukemia Responses. Hematology 2018. [DOI: 10.1016/b978-0-323-35762-3.00108-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
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da Silva MB, da Cunha FF, Terra FF, Camara NOS. Old game, new players: Linking classical theories to new trends in transplant immunology. World J Transplant 2017; 7:1-25. [PMID: 28280691 PMCID: PMC5324024 DOI: 10.5500/wjt.v7.i1.1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2016] [Revised: 11/16/2016] [Accepted: 12/07/2016] [Indexed: 02/05/2023] Open
Abstract
The evolutionary emergence of an efficient immune system has a fundamental role in our survival against pathogenic attacks. Nevertheless, this same protective mechanism may also establish a negative consequence in the setting of disorders such as autoimmunity and transplant rejection. In light of the latter, although research has long uncovered main concepts of allogeneic recognition, immune rejection is still the main obstacle to long-term graft survival. Therefore, in order to define effective therapies that prolong graft viability, it is essential that we understand the underlying mediators and mechanisms that participate in transplant rejection. This multifaceted process is characterized by diverse cellular and humoral participants with innate and adaptive functions that can determine the type of rejection or promote graft acceptance. Although a number of mediators of graft recognition have been described in traditional immunology, recent studies indicate that defining rigid roles for certain immune cells and factors may be more complicated than originally conceived. Current research has also targeted specific cells and drugs that regulate immune activation and induce tolerance. This review will give a broad view of the most recent understanding of the allogeneic inflammatory/tolerogenic response and current insights into cellular and drug therapies that modulate immune activation that may prove to be useful in the induction of tolerance in the clinical setting.
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Oostvogels R, Lokhorst HM, Mutis T. Minor histocompatibility Ags: identification strategies, clinical results and translational perspectives. Bone Marrow Transplant 2015; 51:163-71. [PMID: 26501766 DOI: 10.1038/bmt.2015.256] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2015] [Revised: 08/11/2015] [Accepted: 08/15/2015] [Indexed: 12/14/2022]
Abstract
Allogeneic stem cell transplantation (allo-SCT) and donor lymphocyte infusion are effective treatment modalities for various hematological malignancies. Their therapeutic effect, the graft-versus-tumor (GvT) effect, is based mainly on an alloimmune response of donor T cells directed at tumor cells, in which differences in the expression of minor histocompatibility Ags (mHags) on the cells of the patient and donor have a crucial role. However, these differences are also responsible for induction of sometimes detrimental GvHD. As relapse and development of GvHD pose major threats for a large proportion of allotransplanted patients, additional therapeutic strategies are required. To augment the GvT response without increasing the risk of GvHD, specific mHag-directed immunotherapeutic strategies have been developed. Over the past years, much effort has been put into the identification of therapeutically relevant mHags to enable these strategies for a substantial proportion of patients. Currently, the concept of mHag-directed immunotherapy is tested in clinical trials on feasibility, safety and efficacy. In this review, we will summarize the recent developments in mHag identification and the clinical data on mHag-specific immune responses and mHag-directed therapies in patients with hematological malignancies. Finally, we will outline the current challenges and future prospectives in the field.
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Affiliation(s)
- R Oostvogels
- Department of Clinical Chemistry and Hematology, University Medical Center Utrecht, Utrecht, The Netherlands.,Department of Hematology, University Medical Center Utrecht, Utrecht, The Netherlands.,Department of Hematology, VU University Medical Center, Amsterdam, The Netherlands
| | - H M Lokhorst
- Department of Hematology, VU University Medical Center, Amsterdam, The Netherlands
| | - T Mutis
- Department of Clinical Chemistry and Hematology, University Medical Center Utrecht, Utrecht, The Netherlands.,Department of Hematology, VU University Medical Center, Amsterdam, The Netherlands
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9
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Bollard CM, Cruz CR, Barrett AJ. Directed T-cell therapies for leukemia and lymphoma after hematopoietic stem cell transplant: beyond chimeric antigen receptors. Int J Hematol Oncol 2015. [DOI: 10.2217/ijh.15.11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
This review focuses on the recent advances utilizing adoptive T-cell immunotherapies for patients after hematopoietic stem cell transplant using T cells after autologous transplant to treat the highest risk patients. The particular emphasis is the use of T cells to treat leukemias and lymphomas with gene transfer and nongene transfer approaches to direct specificity to tumor associated antigens. In this review, we will highlight how these novel therapeutics can be successfully used to prevent or treat high-risk patients who relapse after hematopoietic stem cell transplant.
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Affiliation(s)
- Catherine M Bollard
- Children’s National Health System & The George Washington University, Washington, DC, USA
| | - C Russell Cruz
- Children’s National Health System & The George Washington University, Washington, DC, USA
| | - A John Barrett
- National Heart Lung & Blood Institute, National Institutes for Health, Bethesda, MD, USA
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10
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Abstract
Hematopoietic stem cell transplantation (HSCT) is a procedure in which infusion of hematopoietic stem cells is used to reestablish hematopoietic function in patients with damaged or defective bone marrow or immune systems. Early and late complications following allogeneic HSCT include acute and chronic graft-versus-host disease (GVHD), donor rejection, graft failure, relapse of primary malignancy, conditioning-related toxicity, immunodeficiency and infections. Immunology has a central role in allogeneic hematopoietic cell transplantation. Any appreciation of the immunological mechanism involved in engraftment, GVHD, the development of tolerance, immune reconstitution, and the control of malignancy requires some understanding of the immunologic basis for immune reactions provoked by grafting tissue from one individual to another. In the future it should be possible to learn what gene(s) must be activated and which must be repressed to force stem cells into division without maturation; to engineer a mechanism into the cells that stops proliferation and sets the stage for amplification; to search if there could be a universal donor cell line, neatly packaged and stabilized in sealed vials and distributed by the pharmaceutical industry; to modify the transplanted cells in such a way that they have a proliferative advantage over those of the host and to deliver the lethal blow against the neoplasm, perhaps the cells that are infused will be engineered in such a way as to be able to distinguish between normal host cells and tumor.
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Affiliation(s)
- Youssef Mohamed Mosaad
- Clinical Immunology Unit, Clinical Pathology Department & Mansoura Research Center for Cord Stem Cell (MARC-CSC), Mansoura Faculty of Medicine, Mansoura University , Mansoura , Egypt
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Linscheid C, Heitmann E, Singh P, Wickstrom E, Qiu L, Hodes H, Nauser T, Petroff MG. Trophoblast expression of the minor histocompatibility antigen HA-1 is regulated by oxygen and is increased in placentas from preeclamptic women. Placenta 2015; 36:832-8. [PMID: 26095815 DOI: 10.1016/j.placenta.2015.05.018] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2014] [Revised: 05/25/2015] [Accepted: 05/28/2015] [Indexed: 01/27/2023]
Abstract
INTRODUCTION Maternal T-cells reactive towards paternally inherited fetal minor histocompatibility antigens are expanded during pregnancy. Placental trophoblast cells express at least four fetal antigens, including human minor histocompatibility antigen 1 (HA-1). We investigated oxygen as a potential regulator of HA-1 and whether HA-1 expression is altered in preeclamptic placentas. METHODS Expression and regulation of HA-1 mRNA and protein were examined by qRT-PCR and immunohistochemistry, using first, second, and third trimester placentas, first trimester placental explant cultures, and term purified cytotrophoblast cells. Low oxygen conditions were achieved by varying ambient oxygen, and were mimicked using cobalt chloride. HA-1 mRNA and protein expression levels were evaluated in preeclamptic and control placentas. RESULTS HA-1 protein expression was higher in the syncytiotrophoblast of first trimester as compared to second trimester and term placentas (P<0.01). HA-1 mRNA was increased in cobalt chloride-treated placental explants and purified cytotrophoblast cells (P = 0.04 and P<0.01, respectively) and in purified cytotrophoblast cells cultured under 2% as compared to 8% and 21% oxygen (P<0.01). HA-1 mRNA expression in preeclamptic vs. control placentas was increased 3.3-fold (P = 0.015). HA-1 protein expression was increased in syncytial nuclear aggregates and the syncytiotrophoblast of preeclamptic vs. control placentas (P = 0.02 and 0.03, respectively). DISCUSSION Placental HA-1 expression is regulated by oxygen and is increased in the syncytial nuclear aggregates and syncytiotrophoblast of preeclamptic as compared to control placentas. Increased HA-1 expression, combined with increased preeclamptic syncytiotrophoblast deportation, provides a novel potential mechanism for exposure of the maternal immune system to increased fetal antigenic load during preeclampsia.
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Affiliation(s)
- C Linscheid
- Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, KS, USA
| | - E Heitmann
- Saint Luke's Health System, Department of Maternal and Fetal Medicine, Kansas City, MO, USA
| | - P Singh
- Saint Luke's Health System, Department of Maternal and Fetal Medicine, Kansas City, MO, USA
| | - E Wickstrom
- Saint Luke's Health System, Department of Maternal and Fetal Medicine, Kansas City, MO, USA
| | - L Qiu
- Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, KS, USA
| | - H Hodes
- The Center for Women's Health, Overland Park, KS, USA
| | - T Nauser
- The Center for Women's Health, Overland Park, KS, USA
| | - M G Petroff
- Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, KS, USA
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12
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van Essen TH, Roelen DL, Williams KA, Jager MJ. Matching for Human Leukocyte Antigens (HLA) in corneal transplantation - to do or not to do. Prog Retin Eye Res 2015; 46:84-110. [PMID: 25601193 DOI: 10.1016/j.preteyeres.2015.01.001] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2014] [Revised: 01/05/2015] [Accepted: 01/07/2015] [Indexed: 12/15/2022]
Abstract
As many patients with severe corneal disease are not even considered as candidates for a human graft due to their high risk of rejection, it is essential to find ways to reduce the chance of rejection. One of the options is proper matching of the cornea donor and recipient for the Human Leukocyte Antigens (HLA), a subject of much debate. Currently, patients receiving their first corneal allograft are hardly ever matched for HLA and even patients undergoing a regraft usually do not receive an HLA-matched graft. While anterior and posterior lamellar grafts are not immune to rejection, they are usually performed in low risk, non-vascularized cases. These are the cases in which the immune privilege due to the avascular status and active immune inhibition is still intact. Once broken due to infection, sensitization or trauma, rejection will occur. There is enough data to show that when proper DNA-based typing techniques are being used, even low risk perforating corneal transplantations benefit from matching for HLA Class I, and high risk cases from HLA Class I and probably Class II matching. Combining HLA class I and class II matching, or using the HLAMatchmaker could further improve the effect of HLA matching. However, new techniques could be applied to reduce the chance of rejection. Options are the local or systemic use of biologics, or gene therapy, aiming at preventing or suppressing immune responses. The goal of all these approaches should be to prevent a first rejection, as secondary grafts are usually at higher risk of complications including rejections than first grafts.
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Affiliation(s)
- T H van Essen
- Department of Ophthalmology, J3-S, Leiden University Medical Center (LUMC), Leiden, The Netherlands.
| | - D L Roelen
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center (LUMC), Leiden, The Netherlands
| | - K A Williams
- Department of Ophthalmology, Flinders University, Adelaide, Australia
| | - M J Jager
- Department of Ophthalmology, J3-S, Leiden University Medical Center (LUMC), Leiden, The Netherlands; Schepens Eye Research Institute, Massachusetts Eye & Ear Infirmary and Harvard Medical School, Boston, USA; Peking University Eye Center, Peking University Health Science Center, Beijing, China.
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13
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Fu J, Wang D, Yu Y, Heinrichs J, Wu Y, Schutt S, Kaosaard K, Liu C, Haarberg K, Bastian D, McDonald DG, Anasetti C, Yu XZ. T-bet is critical for the development of acute graft-versus-host disease through controlling T cell differentiation and function. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2015; 194:388-97. [PMID: 25404360 PMCID: PMC4314960 DOI: 10.4049/jimmunol.1401618] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
T-bet is a master regulator for IFN-γ production and Th1 differentiation. We evaluated the roles of T-bet and IFN-γ in T cell responses in acute graft-versus-host disease (GVHD) and found that T-bet(-/-) T cells induced significantly less GVHD compared with wild-type or IFN-γ(-/-) counterparts in both MHC-mismatched and MHC-matched but minor histocompatibility Ag-mismatched models driven by CD4 T cells. T-bet(-/-), but not IFN-γ(-/-), CD4 T cells had a markedly reduced ability to cause tissue damage in liver and gut. This distinct outcome is reflected by the differential gene expression on donor CD4 T cells deficient for T-bet or IFN-γ. At mRNA and protein levels, we defined several T-bet-dependent molecules that may account for the impaired ability of T-bet(-/-) T cells to migrate into target organs and to produce Th1-related cytokines. Moreover, these molecules were independent of either endogenous IFN-γ, such as CXCR3 and programmed death-1, or systematic IFN-γ, such as NKG2D, I-A(b), and granzyme B. Although both T-bet(-/-) and IFN-γ(-/-) CD4 T cells are prone to differentiate into Th17 cells, polarized Th17 cells deficient for T-bet but not for IFN-γ had a significantly reduced ability to cause GVHD. Finally, T-bet(-/-) T cells had a compromised graft-versus-leukemia effect, which could be essentially reversed by neutralization of IL-17 in the recipients. We conclude that T-bet is required for Th1 differentiation and migration, as well as for optimal function of Th17 cells. Thus, targeting T-bet or regulating its downstream effectors independent of IFN-γ may be a promising strategy to control GVHD in the clinic.
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Affiliation(s)
- Jianing Fu
- Cancer Biology Ph.D. Program, University of South Florida, Tampa, FL 33612; Immunology, Blood and Marrow Transplantation, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612; Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425
| | - Dapeng Wang
- Immunology, Blood and Marrow Transplantation, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612
| | - Yu Yu
- Immunology, Blood and Marrow Transplantation, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612
| | - Jessica Heinrichs
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425; Department of Pathology and Cell Biology, University of South Florida, Tampa, FL 33612
| | - Yongxia Wu
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425
| | - Steven Schutt
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425
| | - Kane Kaosaard
- Immunology, Blood and Marrow Transplantation, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612
| | - Chen Liu
- Department of Pathology, Immunology, and Laboratory Medicine, University of Florida, Gainesville, FL 32611
| | - Kelley Haarberg
- Immunology, Blood and Marrow Transplantation, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612
| | - David Bastian
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425
| | - Daniel G McDonald
- Department of Radiation Oncology, Medical University of South Carolina, Charleston, SC 29425; and
| | - Claudio Anasetti
- Immunology, Blood and Marrow Transplantation, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612
| | - Xue-Zhong Yu
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425; Department of Medicine, Medical University of South Carolina, Charleston, SC 29425
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Bollard CM, Barrett AJ. Cytotoxic T lymphocytes for leukemia and lymphoma. HEMATOLOGY. AMERICAN SOCIETY OF HEMATOLOGY. EDUCATION PROGRAM 2014; 2014:565-569. [PMID: 25696912 DOI: 10.1182/asheducation-2014.1.565] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
This chapter focuses on the recent advances in adoptive T-cell immunotherapies, not only for patients after hematopoietic stem cell transplantation, but also in the autologous setting using T cells early in the disease process for the treatment of the highest-risk patients with leukemias and lymphomas. The particular emphasis is to highlight the role of T-cell therapies for hematologic malignancies using a non-gene-transfer approach to direct specificity, including the clinical use of T-cell therapies for EBV-associated lymphomas and strategies for targeting nonviral lymphoma- and leukemia-associated antigens.
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Affiliation(s)
- Catherine M Bollard
- Children's National Health System and The George Washington University, Washington, DC; and
| | - A John Barrett
- National Heart, Lung, and Blood Institute, National Institutes for Health, Bethesda, MD
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15
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Chang DH, Kittleson MM, Kobashigawa JA. Immunosuppression following heart transplantation: prospects and challenges. Immunotherapy 2014; 6:181-94. [PMID: 24491091 DOI: 10.2217/imt.13.163] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Immunosuppression after heart transplantation has significantly reduced the incidence of cellular rejection and improved patient outcomes with the routine use of calcineurin inhibitors. Antimetabolites and proliferation signal inhibitors add to the improvement in patient outcomes, particularly with respect to the reduced burden of cardiac allograft vasculopathy. Patients with antibody sensitization are potentially at higher risk of postoperative complications. Sensitized patients are undergoing heart transplantation with increased frequency, in part due to the emergence of ventricular assist device use as a bridge to heart transplantation. Despite improvements in immunosuppressive therapies, many challenges face physicians and patients, which will further refine and improve care of the post-heart transplant patient.
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Affiliation(s)
- David H Chang
- Cedars Sinai Heart Institute, 8700 Beverly Boulevard, Los Angeles, CA 90048, USA
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16
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Acute rejection after swine leukocyte antigen-matched kidney allo-transplantation in cloned miniature pigs with different mitochondrial DNA-encoded minor histocompatibility antigen. Transplant Proc 2014; 45:1754-60. [PMID: 23769038 DOI: 10.1016/j.transproceed.2013.02.103] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2012] [Revised: 02/11/2013] [Accepted: 02/27/2013] [Indexed: 11/23/2022]
Abstract
INTRODUCTION Graft rejection remains a major cause of morbidity and mortality following renal transplantation. One of the main determinants of success after renal transplantation is histocompatibility between donor and recipient. Most of the research on this topic has addressed human leukocyte antigen (HLA), but the roles played by minor histocompatibility antigens (mHAgs), such as mitochondrially transmitted antigens, are poorly understood. In this study, we evaluated immune responses induced by minor antigens originating from mitochondrial DNA (mtDNA) in a large animal model. METHODS To characterize whole swine leukocyte antigen (SLA) allele in 8 cloned pigs, we performed SLA genotyping for SLA-1, SLA-2, SLA-3, SLA-DQB1, and SLA-DRB1 as well as the hypervariable region 1 (HV1) of mtDNA. Renal transplantation was performed using SLA-matched pigs with different mtDNA as well as SLA-mismatched cloned animals. Cytokine profiling was performed by incubating peripheral leukocytes with cellular components from SLA-matched different mtDNA and SLA-mismatched cells to evaluate mtDNA-mediated immune response. RESULTS SLA types were confirmed to be identical, but mtDNA sequences of HV1 varied among cloned pigs. Rejection episodes in the SLA-matched group with different mtDNA were similar to those in the SLA-mismatched group; that is, plasma creatinine and BUN levels were increased and mononuclear cell infiltration was observed in perivascular regions in the matched and SLA-mismatched groups. Furthermore, in vitro studies showed interleukin (IL)-1β expression to be elevated in SLA-matched and SLA-mismatched groups. CONCLUSION Cloned pigs are a useful preclinical model to evaluate the immunogenicity of mtDNA encoding minor antigens. The mtDNA originating from nongenomic DNA induced cell-mediated immune rejection after kidney transplantation.
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17
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Perchellet AL, Jasti S, Petroff MG. Maternal CD4⁺ and CD8⁺ T cell tolerance towards a fetal minor histocompatibility antigen in T cell receptor transgenic mice. Biol Reprod 2013; 89:102. [PMID: 24025737 DOI: 10.1095/biolreprod.113.110445] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Tolerance of the maternal immune system in pregnancy is important for successful pregnancy because the semiallogeneic fetus may be subject to antifetal responses. We examined maternal tolerance to the fetus using a murine system in which a model paternally inherited antigen, ovalbumin (OVA), is expressed exclusively in the fetus and placenta. By employing T cell receptor (TCR) transgenic mice specific for major histocompatibility complex class I- or class II-restricted epitopes of OVA (OT-I and OT-II) as mothers, we investigated the fate of fetus-specific CD8⁺ and CD4⁺ T cells, respectively, during gestation. Both OVA-specific CD8⁺ and CD4⁺ T cells displayed an activated phenotype in the peripheral lymphoid tissues of OVA-bred OT-I and OT-II mice, consistent with their encounter of fetal antigen. Whereas a small percentage of OVA-specific CD4⁺ T cells were deleted in the periphery and thymus of OVA-bred OT-II mice, with evidence of TCR downregulation in the remaining T cells, deletion and TCR downregulation were not observed in OVA-bred OT-I mice. Both CD4⁺ and CD8⁺ T cells upregulated inducible costimulator expression in response to the fetal antigen, but only CD4⁺ T cells consistently upregulated the inhibitory receptors programmed cell death 1 and cytotoxic T lymphocyte antigen-4. More regulatory T cells (Tregs) were present in pregnant OVA-bred than in WT-bred OT-II mice, revealing that Tregs expanded specifically in response to the fetal antigen. These data indicate that several mechanisms tolerize fetal antigen-specific maternal CD4⁺ T cells, whereas tolerance of fetal antigen-specific CD8⁺ T cells is less effective. The importance of these mechanisms is underscored by the finding that fetal loss occurs in OVA-bred OT-I but not OT-II mice.
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Affiliation(s)
- Antoine L Perchellet
- Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, Kansas
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18
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Pharmacologic inhibition of PKCα and PKCθ prevents GVHD while preserving GVL activity in mice. Blood 2013; 122:2500-11. [PMID: 23908466 DOI: 10.1182/blood-2012-12-471938] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Allogeneic hematopoietic cell transplantation (HCT) is the most effective therapy for hematopoietic malignancies through T-cell-mediated graft-vs-leukemia (GVL) effects but often leads to severe graft-vs-host disease (GVHD). Given that protein kinase Cθ (PKCθ), in cooperation with PKCα, is essential for T-cell signaling and function, we have evaluated PKCθ and PKCα as potential therapeutic targets in allogeneic HCT using genetic and pharmacologic approaches. We found that the ability of PKCα(-/-)/θ(-/-) donor T cells to induce GVHD was further reduced compared with PKCθ(-/-) T cells in relation with the relevance of both isoforms to allogeneic donor T-cell proliferation, cytokine production, and migration to GVHD target organs. Treatment with a specific inhibitor for both PKCθ and PKCα impaired donor T-cell proliferation, migration, and chemokine/cytokine production and significantly decreased GVHD in myeloablative preclinical murine models of allogeneic HCT. Moreover, pharmacologic inhibition of PKCθ and PKCα spared T-cell cytotoxic function and GVL effects. Our findings indicate that PKCα and θ contribute to T-cell activation with overlapping functions essential for GVHD induction while less critical to the GVL effect. Thus, targeting PKCα and PKCθ signaling with pharmacologic inhibitors presents a therapeutic option for GVHD prevention while largely preserving the GVL activity in patients receiving HCT.
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19
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Kim HJ, Kim SY, Lee MH, Min WS. Peripheral blood stem cell transplantation from human leukocyte antigen-matched sibling donors and unrelated donors in acute myeloid leukemia patients. Acta Haematol 2013; 130:206-16. [PMID: 23816761 DOI: 10.1159/000350481] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2012] [Accepted: 02/24/2013] [Indexed: 11/19/2022]
Abstract
There have been rare comparative studies of hematopoietic stem cell transplantation from matched sibling donors (MSDs) and unrelated donors (URDs) with regard to peripheral blood stem cell transplantation (PBSCT). We performed a retrospective study of 104 consecutive acute myeloid leukemia (AML) patients who had received an allogeneic PBSCT from an MSD or a URD in order to compare transplant outcomes and posttransplant complications between the 2 groups of patients. The cumulative incidence of grade 2-4 acute graft-versus-host disease (aGVHD) at 100 days (22.6% with MSD vs. 35.3% with URD; p = 0.107) and that of chronic GVHD (cGVHD) at 2 years (72.9% with MSD vs. 56.1% with URD; p = 0.153) was not significantly different between the 2 groups. Multivariate analysis also indicated that a URD was not an independent predictor of grade 2-4 aGVHD or cGVHD. No statistically significant differences were observed in terms of relapse incidence (p = 0.371), nonrelapse mortality (p = 0.473), disease-free survival (p = 0.925) or overall survival (p = 0.534) at 2 years. URDs are comparable with MSDs as a donor type for PBSCT in AML patients if risk-stratified GVHD prophylaxis is adopted.
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Affiliation(s)
- Hee-Je Kim
- Catholic Blood and Marrow Transplantation Center, The Catholic University of Korea, Seoul, Republic of Korea
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20
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Linscheid C, Petroff MG. Minor histocompatibility antigens and the maternal immune response to the fetus during pregnancy. Am J Reprod Immunol 2013; 69:304-14. [PMID: 23398025 PMCID: PMC4048750 DOI: 10.1111/aji.12075] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2012] [Accepted: 12/20/2012] [Indexed: 12/21/2022] Open
Abstract
The tolerance of the semiallogeneic fetus by the maternal immune system is an important area of research for understanding how the maternal and fetal systems interact during pregnancy to ensure a successful outcome. Several lines of research reveal that the maternal immune system can recognize and respond to fetal minor histocompatibility antigens during pregnancy. Reactions to these antigens arise because of allelic differences between the mother and fetus and have been shown more broadly to play an important role in mediating transplantation outcomes. This review outlines the discovery of minor histocompatibility antigens and their importance in solid organ and hematopoietic stem cell transplantations, maternal T-cell responses to minor histocompatibility antigens during pregnancy, expression of minor histocompatibility antigens in the human placenta, and the potential involvement of minor histocompatibility antigens in the development and manifestation of pregnancy complications.
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Affiliation(s)
- Caitlin Linscheid
- Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, KS
| | - Margaret G. Petroff
- Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, KS
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21
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Turpeinen H, Ojala PJ, Ojala K, Miettinen M, Volin L, Partanen J. Minor histocompatibility antigens as determinants for graft-versus-host disease after allogeneic haematopoietic stem cell transplantation. Int J Immunogenet 2013; 40:495-501. [PMID: 23480177 DOI: 10.1111/iji.12051] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2012] [Revised: 02/01/2013] [Accepted: 02/10/2013] [Indexed: 11/28/2022]
Abstract
Minor histocompatibility antigens (minor H antigens) are genetically polymorphic peptides that have been shown to elicit immune response when mismatched between donor and recipient of haematopoietic stem cell transplantation (HSCT). Depending on the expression profiles, mismatches in these genes may either lead to harmful graft-versus-host (GvH) reaction or desired graft-versus-leukaemia (GvL) effect. We analysed retrospectively the effect of HLA-restricted matching 11 established autosomal minor H antigens on the risk of graft-versus-host disease and relapse in 311 HLA-matched sibling HSCT of a single centre. Increased incidence of chronic GvH disease was shown to be associated with mismatches in the HA-8 and ACC-1. The mRNA expression profiles in a large set of healthy and malignant tissue samples of minor H antigen genes demonstrated in silico that the expression profiles of HA-8 and ACC-1 were surprisingly different: HA-8 gene was expressed in practically all tissues, whereas ACC-1 gene had a restricted profile. The results demonstrated that mismatches in minor H antigens HA-8 and ACC-1 predisposed to chronic graft-versus-host disease (GvHD).
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Affiliation(s)
- H Turpeinen
- Finnish Red Cross Blood Service, Helsinki, Finland
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22
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Stern M, Infanti L, O'Meara A, Sigle J, Buser A. Role of donor and recipient sex in platelet transfusion. Transfusion 2013; 53:2801-6. [PMID: 23451819 DOI: 10.1111/trf.12136] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2012] [Revised: 01/04/2013] [Accepted: 01/07/2013] [Indexed: 12/25/2022]
Abstract
BACKGROUND H-Y proteins are ubiquitously expressed Y chromosome-encoded minor histocompatibility antigens, which are relevant in the transplantation of hematopoietic stem cells (HSCT) and solid organs. No studies have so far analyzed whether H-Y incompatibility influences the outcome of platelet (PLT) transfusion. STUDY DESIGN AND METHODS We studied the effect of donor and recipient sex on outcome of 9038 single-donor PLT transfusions. RESULTS Using standard corrected count increment or percent PLT recovery (PPR) calculations, male patients showed inferior recovery rates, irrespective of donor sex. Using an adjusted PPR, which takes into account differences in blood volume between males and females, neither donor nor recipient sex played any role in PLT recovery after transfusion. Similarly, the time to next PLT transfusion was unaffected by both donor and recipient sex. In a subgroup analysis of patients with graft-versus-host disease after allogeneic HSCT, male recipients of a female allograft-which may carry anti-H-Y T cells and antibodies-had significantly lower time to next PLT transfusion. However, this occurred after both male donor and female donor PLT transfusions, arguing against an involvement of alloreactivity against H-Y antigens on PLTs. CONCLUSION This large analysis found no evidence that donor-recipient sex matching influences the outcome of PLT transfusion.
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Affiliation(s)
- Martin Stern
- Division of Hematology, University Hospital Basel, Basel, Switzerland; Blood Transfusion Center, Swiss Red Cross, Basel, Switzerland
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23
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Occurrence and Impact of Minor Histocompatibility Antigens' Disparities on Outcomes of Hematopoietic Stem Cell Transplantation from HLA-Matched Sibling Donors. BONE MARROW RESEARCH 2012. [PMID: 23193478 PMCID: PMC3502767 DOI: 10.1155/2012/257086] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
We have examined the alleles of eleven minor histocompatibility antigens (MiHAs) and investigated the occurrence of immunogenic MiHA disparities in 62 recipients of allogeneic hematopoietic cell transplantation (allo-HCT) with myeloablative conditioning performed between 2000 and 2008 and in their HLA-matched sibling donors. Immunogenic MiHA mismatches were detected in 42 donor-recipient pairs: in 29% MiHA was mismatched in HVG direction, in another 29% in GVH direction; bidirectional MiHA disparity was detected in 10% and no MiHA mismatches in 32%. Patients with GVH-directed HY mismatches had lower both overall survival and disease-free survival at 3 years than patients with compatible HY; also higher incidence of both severe acute GvHD and extensive chronic GVHD was observed in patients with GVH-directed HY mismatch. On contrary, GVH-directed mismatches of autosomally encoded MiHAs had no negative effect on overall survival. Results of our study help to understand why posttransplant courses of allo-HCT from siblings may vary despite the complete high-resolution HLA matching of a donor and a recipient.
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24
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Feldhahn M, Dönnes P, Schubert B, Schilbach K, Rammensee HG, Kohlbacher O. miHA-Match: computational detection of tissue-specific minor histocompatibility antigens. J Immunol Methods 2012; 386:94-100. [PMID: 22985828 DOI: 10.1016/j.jim.2012.09.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2012] [Accepted: 09/10/2012] [Indexed: 11/20/2022]
Abstract
Allogenic stem cell transplantation has shown considerable success in a number of hematological malignancies, in particular in leukemia. The beneficial effect is mediated by donor T cells recognizing patient-specific HLA-binding peptides. These peptides are called minor histocompatibility antigens (miHAs) and are typically caused by single nucleotide polymorphisms. Tissue-specific miHAs have successfully been used in anti-tumor therapy without causing unspecific graft-versus-host reactions. However, only a small number of miHAs have been identified to date, limiting the clinical use. Here we present an immunoinformatics pipeline for the identification of miHAs. The pipeline can be applied to large-scale miHA screening, for example, in the development of diagnostic tests. Another interesting application is the design of personalized miHA-based cancer therapies based on patient-donor pair-specific miHAs detected by this pipeline. The suggested method covers various aspects of genetic variant detection, effects of alternative transcripts, and HLA-peptide binding. A comparison of our computational pipeline and experimentally derived datasets shows excellent agreement and coverage of the computationally predicted miHAs.
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Affiliation(s)
- Magdalena Feldhahn
- University of Tübingen, Center for Bioinformatics, Applied Bioinformatics, Sand 14, 72076 Tübingen, Germany.
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25
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Fast LD. Developments in the prevention of transfusion-associated graft-versus-host disease. Br J Haematol 2012; 158:563-8. [DOI: 10.1111/j.1365-2141.2012.09197.x] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- Loren D. Fast
- Division of Hematology/Oncology; Rhode Island Hospital and Alpert School of Medicine at Brown University; Providence; RI; USA
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26
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Holland OJ, Linscheid C, Hodes HC, Nauser TL, Gilliam M, Stone P, Chamley LW, Petroff MG. Minor histocompatibility antigens are expressed in syncytiotrophoblast and trophoblast debris: implications for maternal alloreactivity to the fetus. THE AMERICAN JOURNAL OF PATHOLOGY 2012; 180:256-66. [PMID: 22079431 PMCID: PMC3338347 DOI: 10.1016/j.ajpath.2011.09.021] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2011] [Revised: 08/09/2011] [Accepted: 09/20/2011] [Indexed: 01/29/2023]
Abstract
The fetal semi-allograft can induce expansion and tolerance of antigen-specific maternal T and B cells through paternally inherited major histocompatibility complex and minor histocompatibility antigens (mHAgs). The effects of these antigens have important consequences on the maternal immune system both during and long after pregnancy. Herein, we investigate the possibility that the placental syncytiotrophoblast and deported trophoblastic debris serve as sources of fetal mHAgs. We mapped the expression of four mHAgs (human mHAg 1, pumilio domain-containing protein KIAA0020, B-cell lymphoma 2-related protein A1, and ribosomal protein S4, Y linked) in the placenta. Each of these proteins was expressed in several placental cell types, including the syncytiotrophoblast. These antigens and two additional Y chromosome-encoded antigens [DEAD box polypeptide 3, Y linked (DDX3Y), and lysine demethylase5D] were also identified by RT-PCR in the placenta, purified trophoblast cells, and cord blood cells. Finally, we used a proteomic approach to investigate the presence of mHAgs in the syncytiotrophoblast and trophoblast debris shed from first-trimester placenta. By this method, four antigens (DDX3Y; ribosomal protein S4, Y linked; solute carrier 1A5; and signal sequence receptor 1) were found in the syncytiotrophoblast, and one antigen (DDX3Y) was found in shed trophoblast debris. The finding of mHAgs in the placenta and in trophoblast debris provides the first direct evidence that fetal antigens are present in debris shed from the human placenta. The data, thus, suggest a mechanism by which the maternal immune system is exposed to fetal alloantigens, possibly explaining the relationship between parity and graft-versus-host disease.
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Affiliation(s)
- Olivia J. Holland
- Department of Obstetrics and Gynecology, University of Auckland, Auckland, New Zealand
| | - Caitlin Linscheid
- Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, Kansas
| | | | | | - Melissa Gilliam
- Department of Obstetrics and Gynecology, University of Chicago, Chicago, Illinois
| | - Peter Stone
- Department of Obstetrics and Gynecology, University of Auckland, Auckland, New Zealand
| | - Larry W. Chamley
- Department of Obstetrics and Gynecology, University of Auckland, Auckland, New Zealand
| | - Margaret G. Petroff
- Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, Kansas
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27
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Pabón M, Navarro C, Martin R, Rodríguez M, Martin I, Gaitán L, Gómez A, Lozano E. Minor Histocompatibility Antigens as Risk Factor for Poor Prognosis in Kidney Transplantation. Transplant Proc 2011; 43:3319-23. [DOI: 10.1016/j.transproceed.2011.09.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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28
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Sellami MH, Kaabi H, Bibi A, Sahli C, Bani M, Ben Ahmed A, Massoud T, Hmida S. Minor histocompatibility antigens in Tunisians: could platelet endothelial cell adhesion molecule 1 marker be one of them? ACTA ACUST UNITED AC 2011; 77:68-73. [PMID: 21155722 DOI: 10.1111/j.1399-0039.2010.01574.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Platelet endothelial cell adhesion molecule 1 (PECAM-1/CD31) is one of the human minor histocompatibility antigens that are the main targets of alloreactive T-cells after hematopoietic stem cells or solid organs transplantation. In order to investigate its polymorphism in Tunisians, three single nucleotide polymorphisms (SNPs) (rs668, rs12953 and rs1131012) were selected to perform an allele and haplotype analysis. Hundred-and-forty-two healthy and unrelated subjects were enrolled in this survey. Genomic DNAs were extracted using salting out method. SNP genotyping assays were performed with home-designed sequence-specific primers polymerase chain reaction (SSP-PCR). As a result, molecular analysis showed that PECAM-1 is one of the most polymorphic markers in the Tunisian population because minor allele frequency was 0.3, and minimum haplotype frequency was 0.03. A low linkage disequilibrium (D' = 0.45) between rs12953 and rs1131012 was noticed, although all other loci were in the Hardy-Weinberg equilibrium (minimum P value = 0.07). The frequencies were close to those reported in African-American and Caucasian groups.
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Affiliation(s)
- M H Sellami
- Department of Immunohaematology, The National Blood Transfusion Center of Tunis, Tunis, Tunisia.
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Khouri IF, Bassett R, Poindexter N, O'Brien S, Bueso-Ramos CE, Hsu Y, Ferrajoli A, Keating MJ, Champlin R, Fernandez-Vina M. Nonmyeloablative allogeneic stem cell transplantation in relapsed/refractory chronic lymphocytic leukemia: long-term follow-up, prognostic factors, and effect of human leukocyte histocompatibility antigen subtype on outcome. Cancer 2011; 117:4679-88. [PMID: 21455998 DOI: 10.1002/cncr.26091] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2010] [Revised: 01/23/2011] [Accepted: 02/10/2011] [Indexed: 11/11/2022]
Abstract
BACKGROUND The role of nonmyeloablative allogeneic stem cell transplantation (NST) in the treatment of chronic lymphocytic leukemia (CLL) is not well established. The authors report on long-term experience with NST in relapsed/refractory CLL and define prognostic factors associated with outcome. METHODS The authors reviewed the outcome of 86 patients with relapsed/relapsed CLL enrolled in sequential NST protocols. RESULTS The median patient age was 58 years. Patients were heavily pretreated before transplantation, and 43 required immunomanipulation after NST for persistent or recurrent disease. Immunomanipulation included withdrawal of immunosuppression, rituximab, and step-wise donor lymphocyte infusions. Of 43 patients receiving immunomanipulation, 20 (47%) experienced a complete remission. Patients with human leukocyte antigen (HLA) genotype A1(+) /A2(-) /B44(-) were more likely to experience a complete remission (P = .0009), with rates of 9%, 36%, 50%, and 91%, respectively, for 0, 1, 2, and 3 of these HLA factors. This resulted in significant improvement in progression-free-survival rates of 68.2% at 5 years for patients with all 3 HLA factors. Overall, the estimated 5-year survival rate was 51%. In a multivariate model, a CD4 count of <100/mm(3) and a below normal serum immunoglobulin G level at study entry were associated with a short survival duration (P < .0001). CONCLUSIONS These results confirm the potential cure of relapsed/refractory CLL with NST and provide the first evidence that immunoglobulin G and CD4 levels are predictive of overall survival after NST in CLL and that human leukocyte antigen alleles predict response to immunomanipulation.
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Affiliation(s)
- Issa F Khouri
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, USA.
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Harnessing dendritic cells to improve allogeneic hematopoietic cell transplantation outcome. Semin Immunol 2011; 23:50-7. [DOI: 10.1016/j.smim.2011.01.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2010] [Accepted: 01/05/2011] [Indexed: 11/20/2022]
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Dierselhuis MP, Schrama E, Scott DW, Spierings E. Gene Therapy with IgG-HY Fusion Proteins to Reduce Male-Specific T-Cell ReactivityIn Vitro. Hum Gene Ther 2011; 22:44-54. [DOI: 10.1089/hum.2010.070] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Miranda P. Dierselhuis
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, 2300 RC Leiden, The Netherlands
| | - Ellen Schrama
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, 2300 RC Leiden, The Netherlands
| | - David W. Scott
- Department of Surgery and Center for Vascular and Inflammatory Diseases, University of Maryland, School of Medicine, Baltimore, MD 21201, USA
| | - Eric Spierings
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, 2300 RC Leiden, The Netherlands
- Department of Immunology, University Medical Center Utrecht, 3508 GA Utrecht, The Netherlands
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Identification of MHC II-restricted minor histocompatibility antigens after HLA-identical stem-cell transplantation. Transplantation 2010; 90:1030-5. [PMID: 20802400 DOI: 10.1097/tp.0b013e3181f5470c] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
BACKGROUND After allogeneic hematopoietic stem-cell transplantation (HSCT), donor-derived T cells may elicit graft-versus-host disease (GVHD) and graft-versus-tumor (GVT) responses. The main targets of GVHD and GVT responses after human leukocyte antigen (HLA)-identical HSCT are minor histocompatibility antigens (mHAgs), that is, polymorphic gene products in which recipient and donor differ. Thus, for increasing beneficial GVT and decreasing life-threatening GVHD responses, knowledge of the relevant mHags is required. Here, we sought to identify mHags recognized by CD4 T cells using a novel serologic approach. METHODS To identify candidate mHAgs recognized by CD4 T cells, a cDNA expression library from peripheral blood mononuclear cells of a patient with β-thalassemia major was screened with serum taken at different time points after HLA-identical HSCT. RESULTS Immune responses against 18 antigens were identified with serum taken 100 days posttransplantation, when the patients had recovered from acute GVHD II. Except for one, no humoral responses against these antigens were detected 25 days or 1 year after transplantation. Sequence comparison of these antigens between recipient and donor revealed three polymorphisms of which two were contained within epitopes predicted to bind to HLA-DR molecules of the patient. Using cytokine secretion and capture assays, T cells specific for the polymorphic antigens of the recipient, but not the donor, were isolated from peripheral blood monocyte cells after HSCT. CONCLUSIONS The serologic approach described here facilitates the rapid identification of mHAgs recognized by CD4 T cells. Furthermore, the correlation of humoral and cellular immune responses with acute GVHD implies a role of these antigens in GVHD pathology.
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Lio HY, Tang JL, Wu J, Wu SJ, Lin CY, Yang YC. Minor histocompatibility antigen HA-1 and HA-2 polymorphisms in Taiwan: frequency and application in hematopoietic stem cell transplantation. Clin Chem Lab Med 2010; 48:1287-93. [PMID: 20509834 DOI: 10.1515/cclm.2010.246] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Minor histocompatibility antigens influence the occurrence of graft-vs.-host disease and graft-vs.-leukemia effects after hematopoietic stem cell transplantation (HSCT). We determined the population frequencies of HA-1 and HA-2 alleles in Taiwan and exploited their potential applications in allogeneic HSCT. METHODS HA-1 and HA-2 were genotyped using polymerase chain reaction and restriction fragment length polymorphism in healthy controls (221 for HA-1 and 306 for HA-2) and HLA-matched donor-recipient sibling pairs with HSCT (92 for HA-1 and 38 for HA-2). The association of genetic polymorphisms with HSCT outcome was evaluated by univariate and multivariate analyses. RESULTS The allele frequencies in controls were 35.3% and 64.7% for HA-1(H) and HA-1(R), and 89.0% and 11.0% for HA-2(V) and HA-2(M), respectively. HA-1 disparity was denoted in 16.3% of HLA-matched donor-recipient sibling pairs, while it was not associated with HSCT outcome. HA-2 disparity was not observed in the donor-recipient pairs studied. The possibilities of using HA-1 and HA-2 variabilities as molecular markers for hematopoietic chimerism after HSCT were 39.2% and 18.4%, respectively. CONCLUSIONS Our data provide the information on allele and genotype frequencies of HA-1 and HA-2 in a Taiwanese population, and suggest that prospective genomic typing for HA-1 and HA-2 alleles of the donor and recipient could be a useful approach for molecular identification of hematopoietic chimerism after HSCT, rather than prognosis of clinical outcome.
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Affiliation(s)
- Hoi-Yan Lio
- Department of Clinical Laboratory Sciences and Medical Biotechnology, College of Medicine, National Taiwan University, Taipei, Taiwan
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Abstract
BACKGROUND.: Adhesion molecules play a key role in the recruitment of leukocytes to sites of inflammation. Genetic polymorphisms of adhesion molecules may alter their expression or function and may thereby influence the process of leukocyte infiltration in the transplanted organ. It has also been suggested that polymorphic adhesion molecules may act as minor histocompatibility antigens. METHODS.: In two randomly selected cohorts (954 and 1002 kidney transplants), the effect of L-selectin/CD62L (codon 206 and 213), platelet endothelial cell adhesion molecule-1 (PECAM-1/CD31; codon 125, 563, and 670), and activated leukocyte cell adhesion molecule (ALCAM/CD166; codon 258) single nucleotide polymorphisms on 5-yr allograft survival was investigated. DNA samples and clinical data were provided by the Collaborative Transplant Study. Recipients and donors were genotyped by polymerase chain reaction sequence-specific primer. A multivariate analysis was performed using a Cox regression model. RESULTS.: Incompatibility for L-selectin at codon 213 was significantly associated with better graft survival in the first cohort, but the effect could not be replicated in the second cohort. Polymorphisms of PECAM-1 and ALCAM had no impact on graft outcome. CONCLUSIONS.: This is the first comprehensive and large-scale study on the relevance of L-selectin, PECAM-1, and ALCAM genetic polymorphisms in kidney transplantation, showing no significant associations of recipient or donor genotypes with allograft survival. Because the effect of L-selectin mismatch was not reproducible, a putative role of adhesion molecules as minor histocompatibility antigens cannot be confirmed. Our results demonstrate the importance of testing large sample sizes and of performing confirmation studies to validate genetic associations.
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Issa F, Schiopu A, Wood KJ. Role of T cells in graft rejection and transplantation tolerance. Expert Rev Clin Immunol 2010; 6:155-69. [PMID: 20383898 DOI: 10.1586/eci.09.64] [Citation(s) in RCA: 87] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Transplantation is the most effective treatment for end-stage organ failure, but organ survival is limited by immune rejection and the side effects of immunosuppressive regimens. T cells are central to the process of transplant rejection through allorecognition of foreign antigens leading to their activation, and the orchestration of an effector response that results in organ damage. Long-term transplant acceptance in the absence of immunosuppressive therapy remains the ultimate goal in the field of transplantation and many studies are exploring potential therapies. One promising cellular therapy is the use of regulatory T cells to induce a state of donor-specific tolerance to the transplant. This article first discusses the role of T cells in transplant rejection, with a focus on the mechanisms of allorecognition and the alloresponse. This is followed by a detailed review of the current progress in the field of regulatory T-cell therapy in transplantation and the translation of this therapy to the clinical setting.
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Affiliation(s)
- Fadi Issa
- Nuffield Department of Surgery, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DU, UK.
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Taglauer ES, Adams Waldorf KM, Petroff MG. The hidden maternal-fetal interface: events involving the lymphoid organs in maternal-fetal tolerance. THE INTERNATIONAL JOURNAL OF DEVELOPMENTAL BIOLOGY 2010; 54:421-30. [PMID: 19876825 DOI: 10.1387/ijdb.082800et] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The genetic disparity between the mother and fetus has long enticed immunologists to search for mechanisms of maternal tolerance to fetal antigens. The study of antigen-specific tolerance in murine and human pregnancy has gained new momentum in recent years through the focus on antigen-presenting cells, uterine lymphatics and fetal antigen-specific maternal T cell responses. In mice, we now know that these responses occur within the secondary lymphoid structures as they can be conveniently tracked through the use of defined, often transgenic fetal antigens and maternal T cell receptors. Although the secondary lymphoid organs are sites of both immunization and tolerization to antigens, the immunological processes that occur in response to fetal antigens during the healthy pregnancy must invariably lead to tolerance. The molecular properties of these maternal-fetal tolerogenic interactions are still being unraveled, and are likely to be greatly influenced by tissue-specific microenvironments and the hormonal milieu of pregnancy. In this article, we discuss the events leading to antigen-specific maternal tolerance, including the trafficking of fetal antigens to secondary lymphoid organs, the properties of the antigen-presenting cells that display them to maternal T lymphocytes, and the nature of the ensuing tolerogenic response. Experimental data generated from human biological specimens as well as murine transgenic models are considered.
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Affiliation(s)
- Elizabeth S Taglauer
- Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, KS, USA
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Ofran Y, Kim HT, Brusic V, Blake L, Mandrell M, Wu CJ, Sarantopoulos S, Bellucci R, Keskin DB, Soiffer RJ, Antin JH, Ritz J. Diverse patterns of T-cell response against multiple newly identified human Y chromosome-encoded minor histocompatibility epitopes. Clin Cancer Res 2010; 16:1642-51. [PMID: 20160060 DOI: 10.1158/1078-0432.ccr-09-2701] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE Donor T cells respond to minor histocompatibility antigens (mHA), resulting in both graft-versus-host disease and graft versus leukemia after allogeneic hematopoietic stem cell transplantation. Because relatively few mHAs are known, we developed a new approach to predict and subsequently validate candidate mHA. EXPERIMENTAL DESIGN We developed an algorithm based on genetic disparities between Y chromosome-encoded and X chromosome-encoded proteins and known requirements for binding to HLA class I molecules to predict Y chromosome-derived, HLA A*0201-restricted peptides (HY) and ranked peptides based on potential immunogenicity. We evaluated T-cell responses to 41 candidate peptides in 28 male recipients with female donors (FM), 22 male recipients with male donors (MM), and 26 normal individuals. All patients and donors were HLA A*0201 positive. RESULTS Thirteen peptides derived from five proteins elicited significantly greater T-cell responses in FM patients compared with MM patients and in normal females compared with normal males. Six peptides were more immunogenic than the only previously known HLA A*0201-restricted Y-encoded mHA. Twenty-seven of 28 FM patients responded to at least one HY peptide, but despite a common Y chromosome mismatch and expression of HLA A*0201, each patient responded to a unique set of peptides. CONCLUSIONS Novel HLA A*0201-restricted HY epitopes can be predicted and validated in patients after allogeneic hematopoietic stem cell transplantation. Highly diverse patterns of T-cell response against these epitopes have been identified. Prospective monitoring of responses to large panels of immunogenic peptides can facilitate the identification of clinically relevant targets of graft-versus-host disease and graft versus leukemia.
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Affiliation(s)
- Yishai Ofran
- Division of Hematologic Malignancies, Cancer Vaccine Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
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Abstract
Because severe forms of the graft-versus-host reaction directed against normal tissues (also termed graft-versus-host disease [GVHD]) also contribute to morbidity and mortality following allogeneic hematopoietic stem cell transplantation, major efforts have focused on strategies to separate GVHD from the potentially beneficial immune reactivity against tumor (also called the graft-versus-tumor [GVT] effect). This article focuses on the data supporting the contribution of the GVT effect to cure of malignancy, what is known about the biology of the GVT reaction, and, finally, strategies to manipulate the GVT effect to increase the potency of HSCT.
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Affiliation(s)
- Terry J Fry
- Division of Blood and Marrow Transplantation/Immunology, Center for Cancer and Blood Disorders, Children's National Medical Center, 1 West Wing, 111 Michigan Avenue, NW, Washington, DC 20010, USA.
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Sellami M, Ben Ahmed A, Kaabi H, Jridi A, Dridi A, Hmida S. HA-1 and HA-2 minor histocompatibility antigens in Tunisians. ACTA ACUST UNITED AC 2010; 75:720-3. [DOI: 10.1111/j.1399-0039.2010.01444.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Antibodies specifically target AML antigen NuSAP1 after allogeneic bone marrow transplantation. Blood 2010; 115:2077-87. [PMID: 20053754 DOI: 10.1182/blood-2009-03-211375] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Identifying the targets of immune response after allogeneic hematopoietic cell transplantation (HCT) promises to provide relevant immune therapy candidate proteins. We used protein microarrays to serologically identify nucleolar and spindle-associated protein 1 (NuSAP1) and chromatin assembly factor 1, subunit B (p60; CHAF1b) as targets of new antibody responses that developed after allogeneic HCT. Western blots and enzyme-linked immunosorbent assays (ELISA) validated their post-HCT recognition and enabled ELISA testing of 120 other patients with various malignancies who underwent allo-HCT. CHAF1b-specific antibodies were predominantly detected in patients with acute myeloid leukemia (AML), whereas NuSAP1-specific antibodies were exclusively detected in patients with AML 1 year after transplantation (P < .001). Complete genomic exon sequencing failed to identify a nonsynonymous single nucleotide polymorphism (SNP) for NuSAP1 and CHAF1b between the donor and recipient cells. Expression profiles and reverse transcriptase-polymerase chain reaction (RT-PCR) showed NuSAP1 was predominately expressed in the bone marrow CD34(+)CD90(+) hematopoietic stem cells, leukemic cell lines, and B lymphoblasts compared with other tissues or cells. Thus, NuSAP1 is recognized as an immunogenic antigen in 65% of patients with AML following allogeneic HCT and suggests a tumor antigen role.
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Ludajic K, Balavarca Y, Bickeböller H, Rosenmayr A, Fischer GF, Faé I, Kalhs P, Pohlreich D, Kouba M, Dobrovolna M, Greinix HT. Minor ABO-mismatches are risk factors for acute graft-versus-host disease in hematopoietic stem cell transplant patients. Biol Blood Marrow Transplant 2009; 15:1400-6. [PMID: 19822299 DOI: 10.1016/j.bbmt.2009.07.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2008] [Accepted: 07/06/2009] [Indexed: 11/17/2022]
Abstract
We investigated the impact of ABO and Rhesus (Rh) blood group matching on the outcome of hematopoietic stem cell transplantation (HSCT) of 154 patients matched at 10/10 HLA loci with unrelated donors. ABO and Rh, as potential risk factors, were modeled with the clinical outcome--acute and chronic graft-versus-host disease (aGVHD, cGVHD), relapse, treatment-related mortality (TRM), and overall survival (OS)--by simple, multiple, and competing risk analyses. We found that minor ABO-mismatches represent a significant risk factor for aGVHD (II-IV) with an estimated risk increase of almost 3-fold (hazard ratio [HR]=2.92, 95% confidence interval [CI]: 1.43-5.95, P=.003), and even 4-fold for aGVHD (III-IV) (HR=4.24, 95% CI: 1.70-10.56, P=.002), but not for other transplant endpoints. No significant association of the Rh matching status with any of the HSCT endpoints was seen. These results suggest that ABO minor mismatches may play a role in aGvHD pathophysiology, possibly by providing the setting for T cell activation and antibody mediated damage. To decrease the risk of aGVHD, ABO matching should be considered in HSCT.
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Affiliation(s)
- Katarina Ludajic
- Division of Blood Group Serology, Medical University of Vienna, Austria
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The relevance of minor histocompatibility antigens in solid organ transplantation. Curr Opin Organ Transplant 2009; 14:419-25. [PMID: 19444105 DOI: 10.1097/mot.0b013e32832d399c] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE OF REVIEW Disparities in minor histocompatibility antigens between HLA-matched organ and hematopoietic stem cell donors and recipients create the risks of graft failure and graft-versus-host disease (GvHD) respectively. A decade ago, technical advances combined with genomic information resulted in the identification of the chemical nature of the first series of minor histocompatibility antigens, facilitating their molecular typing. A new era of research had begun in exploring the role of minor histocompatibility antigens in physiological and nonphysiological settings. Here we summarize, to the best of our knowledge, human studies on the relevance of minor histocompatibility antigens in solid organ transplantation with a main focus on renal allografting. RECENT FINDINGS The minor histocompatibility antigen HY is associated with acute rejection, and male grafts in female recipients have reduced graft survival; both cellular and humoral responses are observed. Studies on autosomal minor histocompatibility antigens on graft rejection are less conclusive; their role in transplant tolerance, however, offers perspective. SUMMARY Information on the clinical relevance of minor histocompatibility antigen allo-immune responses in solid organ allografting is still scarce. The possible implications of the minor histocompatibility allo-immune responses for future clinical practice in solid organ transplantation are discussed in relation to their possible detrimental or beneficial effects on the host.
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Ringdén O, Karlsson H, Olsson R, Omazic B, Uhlin M. The allogeneic graft-versus-cancer effect. Br J Haematol 2009; 147:614-33. [PMID: 19735262 DOI: 10.1111/j.1365-2141.2009.07886.x] [Citation(s) in RCA: 109] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Allogeneic haematological stem cell transplantation (HSCT) has developed into immunotherapy. Donor CD4+, CD8+ and natural killer (NK) cells have been reported to mediate graft-versus-leukaemia (GVL) effects, using Fas-dependent killing and perforin degranulation to eradicate malignant cells. Cytokines, such as interleukin-2, interferon-gamma and tumour necrosis factor-alpha potentiate the GVL effect. Post-transplant adoptive therapy of cytotoxic T-cells (CTL) against leukaemia-specific antigens, minor histocompatibility antigens, or T-cell receptor genes may constitute successful approaches to induce anti-tumour effects. Clinically, a significant GVL effect is induced by chronic rather than acute graft-versus-host disease (GVHD). An anti-tumour effect has also been reported for myeloma, lymphoma and solid tumours. Reduced intensity conditioning enables HSCT in older and disabled patients and relies on the graft-versus-tumour effect. Donor lymphocyte infusions promote the GVL effect and can be given as escalating doses with response monitored by minimal residual disease. A high CD34+ cell dose of peripheral blood stem cells increases GVL. There is a balance between effective immunosuppression, low incidence of GVHD and relapse. For instance, T-cell depletion of the graft increases the risk of relapse. This paper reviews the current knowledge in graft-versus-cancer effects. Future directions, such as immunotherapy using leukaemia-specific CTLs, allo-depleted T-cells and suicide gene manipulated T-cells, are presented.
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Affiliation(s)
- Olle Ringdén
- Centre for Allogeneic Stem Cell Transplantation and Division of Clinical Immunology and Transfusion Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge, Stockholm, Sweden.
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Vago L, Perna SK, Zanussi M, Mazzi B, Barlassina C, Stanghellini MTL, Perrelli NF, Cosentino C, Torri F, Angius A, Forno B, Casucci M, Bernardi M, Peccatori J, Corti C, Bondanza A, Ferrari M, Rossini S, Roncarolo MG, Bordignon C, Bonini C, Ciceri F, Fleischhauer K. Loss of mismatched HLA in leukemia after stem-cell transplantation. N Engl J Med 2009; 361:478-88. [PMID: 19641204 DOI: 10.1056/nejmoa0811036] [Citation(s) in RCA: 403] [Impact Index Per Article: 26.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
BACKGROUND Transplantation of hematopoietic stem cells from partially matched family donors is a promising therapy for patients who have a hematologic cancer and are at high risk for relapse. The donor T-cell infusions associated with such transplantation can promote post-transplantation immune reconstitution and control residual disease. METHODS We identified 43 patients who underwent haploidentical transplantation and infusion of donor T cells for acute myeloid leukemia or myelodysplastic syndrome and conducted post-transplantation studies that included morphologic examination of bone marrow, assessment of hematopoietic chimerism with the use of short-tandem-repeat amplification, and HLA typing. The genomic rearrangements in mutant variants of leukemia were studied with the use of genomic HLA typing, microsatellite mapping, and single-nucleotide-polymorphism arrays. The post-transplantation immune responses against the original cells and the mutated leukemic cells were analyzed with the use of mixed lymphocyte cultures. RESULTS In 5 of 17 patients with leukemia relapse after haploidentical transplantation and infusion of donor T cells, we identified mutant variants of the original leukemic cells. In the mutant leukemic cells, the HLA haplotype that differed from the donor's haplotype had been lost because of acquired uniparental disomy of chromosome 6p. T cells from the donor and the patient after transplantation did not recognize the mutant leukemic cells, whereas the original leukemic cells taken at the time of diagnosis were efficiently recognized and killed. CONCLUSIONS After transplantation of haploidentical hematopoietic stem cells and infusion of donor T cells, leukemic cells can escape from the donor's antileukemic T cells through the loss of the mismatched HLA haplotype. This event leads to relapse.
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Affiliation(s)
- Luca Vago
- Hospital San Raffaele-Telethon Institute for Gene Therapy, Milan, Italy
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Gerrits J, van de Wetering J, van Beelen E, Claas F, Weimar W, van Besouw N. A Multiplex Bead Array Analysis to Monitor Donor-Specific Cytokine Responses After Withdrawal of Immunosuppression in HLA-Identical living Related Kidney Transplant Patients. Transplant Proc 2009; 41:1577-82. [DOI: 10.1016/j.transproceed.2009.03.071] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2009] [Accepted: 03/10/2009] [Indexed: 10/20/2022]
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T-cell reactivity during tapering of immunosuppression to low-dose monotherapy prednisolone in HLA-identical living-related renal transplant recipients. Transplantation 2009; 87:907-14. [PMID: 19300195 DOI: 10.1097/tp.0b013e31819b3df2] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND In many transplant centers, human leukocyte antigen (HLA)-identical living-related (LR) renal transplant recipients receive standard maintenance immunosuppression from 1 year after transplantation. We questioned whether discontinuation of azathioprine (AZA) or mycophenolate mofetil (MMF) influenced T-cell reactivity, circulating dendritic cell (DC) subsets numbers and their maturation status. METHODS Twenty-nine HLA-identical LR renal transplant recipients were withdrawn from AZA or MMF. Thereafter, the patients received only prednisolone. T-cell reactivity was determined by interferon-gamma (n=23), interleukin (IL)-10 (n=16), and granzyme B (n=10) Elispot assays. Circulating DC subset numbers and their maturation status determined by CCR2, CCR5, CCR7, and CD83 expression were measured by flow cytometry (n=12). RESULTS The number of donor, third-party, and tetanus toxoid-reactive interferon-gamma and granzyme-B producing cells was not affected after withdrawal of immunosuppression. Discontinuation of AZA or MMF resulted in significant increased numbers of third-party (P=0.003) and tetanus toxoid-reactive (P=0.008) IL-10 producing cells, and a trend in higher numbers of donor-reactive IL-10 producing cells (P=0.06). No effect was found on the number of circulating DC subsets, but DC was shifted toward a more mature phenotype. CONCLUSIONS In HLA-identical LR renal transplant recipients, therapy with AZA and MMF suppress the IL-10 production and the maturation of DC. This suggests that these immunosuppressants may hinder suppression of immune responses in general, including allogeneic responses.
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Geiger C, Nößner E, Frankenberger B, Falk CS, Pohla H, Schendel DJ. Harnessing innate and adaptive immunity for adoptive cell therapy of renal cell carcinoma. J Mol Med (Berl) 2009; 87:595-612. [DOI: 10.1007/s00109-009-0455-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2008] [Revised: 02/18/2009] [Accepted: 02/20/2009] [Indexed: 12/22/2022]
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Targeting minor histocompatibility antigens in graft versus tumor or graft versus leukemia responses. Trends Immunol 2008; 29:624-32. [PMID: 18952501 DOI: 10.1016/j.it.2008.09.004] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2008] [Revised: 08/24/2008] [Accepted: 09/01/2008] [Indexed: 01/25/2023]
Abstract
Allogeneic hematopoietic cell transplantation (alloHCT) represents the only curative therapy for several hematologic malignancies, and shows promise as a nascent treatment modality for select solid tumors. Although the original goal of alloHCT was hematopoietic reconstitution after sub-lethal chemoradiotherapy, recognition of a profound donor lymphocyte-mediated graft-versus-leukemia (GVL) or graft-versus-tumor (GVT) effect has shifted the paradigm from pre-transplant cytoreduction to tumor control via donor lymphocytes. In human leukocyte antigen (HLA)-compatible alloHCT, GVL and GVT reactions are induced primarily by donor T-cell recognition of minor histocompatibility antigens (mHAgs). Here we review the literature regarding mHAg-specific T cells in GVL and GVT reactions, and discuss the prospects of exploiting mHAgs as immunotherapeutic targets.
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Markiewicz M, Siekiera U, Karolczyk A, Szymszal J, Helbig G, Wojnar J, Dzierzak-Mietla M, Kyrcz-Krzemien S. Immunogenic disparities of 11 minor histocompatibility antigens (mHAs) in HLA-matched unrelated allogeneic hematopoietic SCT. Bone Marrow Transplant 2008; 43:293-300. [PMID: 18850018 DOI: 10.1038/bmt.2008.326] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
We determined the alleles of 11 mHAs and investigated the association of immunogenic mHA mismatches between a donor and a recipient with a course of allogeneic hematopoietic SCT (allo-HSCT) from 10/10 alleles HLA-matched unrelated donors in 92 recipients after myeloablative conditioning between 2004 and 2006. The frequency analysis of mHA alleles, genotypes and phenotypes accompanied by appropriate restriction HLA Ags allowed for an estimation of the probability of immunogenic mismatches, which was the highest for HA-1, HA-8 and HY. GVH-directed disparity of mHAs with broad tissue distribution, especially of the sex-related HY Ag, influenced the results of allo-HSCT from HLA-matched unrelated donors by not only increasing the probability of chronic GVHD (cGVHD) but also by decreasing the relapse rate.
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Affiliation(s)
- M Markiewicz
- Department of Hematology and Bone Marrow Transplantation, Medical University of Silesia, Dabrowskiego 25, Katowice, Poland.
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Nachbaur D, Angelova O, Loacker K, Auberger J, Clausen J, Schumacher P, Gastl G, Kircher B. HLA-A*0201 is associated with a better outcome after donor lymphocyte infusion for recurrent malignancy. Eur J Haematol 2008; 82:77-8. [PMID: 18801059 DOI: 10.1111/j.1600-0609.2008.01157.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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