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Singh RB, Cho W, Liu C, Naderi A, Surico PL, Kahale F, Dohlman TH, Chauhan SK, Dana R. Immunopathological mechanisms and clinical manifestations of ocular graft-versus-host disease following hematopoietic stem cell transplantation. Bone Marrow Transplant 2024:10.1038/s41409-024-02321-3. [PMID: 38822141 DOI: 10.1038/s41409-024-02321-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2024] [Revised: 05/21/2024] [Accepted: 05/23/2024] [Indexed: 06/02/2024]
Abstract
Graft-versus-host disease is among the most common clinical complications following allogeneic hematopoietic stem cell transplantation. It causes inflammation-mediated destruction and dysfunction of various organ systems including ocular tissues in 60-90% of the patients and is termed ocular GVHD (oGVHD). In oGVHD, donor-derived T-cells recognize host antigens as foreign, resulting in immune dysregulation, inflammation and fibrosis of lacrimal glands, meibomian glands, cornea, and conjunctiva. The clinical presentation in oGVHD patients range from mild dry eye symptoms to catastrophic inflammation mediated pathological changes which can cause corneal perforation and blindness. In this review article, we provide detailed insights into the impact of mucosal barrier disruption, the afferent and efferent phases of immunological response involving activation of antigen presenting cells and T cells, respectively. We evaluate the evidence outlining the effector phase of the disease leading to cellular destruction and eventually fibrosis in patients with oGVHD. Finally, we discuss the well-established criteria for the diagnosis of oGVHD.
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Affiliation(s)
- Rohan Bir Singh
- Laboratory of Ocular Immunology, Transplantation and Regeneration, Schepens Eye Research Institute, Massachusetts Eye and Ear, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA
| | - Wonkyung Cho
- Laboratory of Ocular Immunology, Transplantation and Regeneration, Schepens Eye Research Institute, Massachusetts Eye and Ear, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA
| | - Catherine Liu
- Laboratory of Ocular Immunology, Transplantation and Regeneration, Schepens Eye Research Institute, Massachusetts Eye and Ear, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA
| | - Amirreza Naderi
- Laboratory of Ocular Immunology, Transplantation and Regeneration, Schepens Eye Research Institute, Massachusetts Eye and Ear, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA
| | - Pier Luigi Surico
- Laboratory of Ocular Immunology, Transplantation and Regeneration, Schepens Eye Research Institute, Massachusetts Eye and Ear, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA
| | - Francesca Kahale
- Laboratory of Ocular Immunology, Transplantation and Regeneration, Schepens Eye Research Institute, Massachusetts Eye and Ear, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA
| | - Thomas H Dohlman
- Laboratory of Ocular Immunology, Transplantation and Regeneration, Schepens Eye Research Institute, Massachusetts Eye and Ear, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA
| | - Sunil K Chauhan
- Laboratory of Ocular Immunology, Transplantation and Regeneration, Schepens Eye Research Institute, Massachusetts Eye and Ear, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA
| | - Reza Dana
- Laboratory of Ocular Immunology, Transplantation and Regeneration, Schepens Eye Research Institute, Massachusetts Eye and Ear, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA.
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2
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Borrill R, Poulton K, Wynn R. Immunology of cord blood T-cells favors augmented disease response during clinical pediatric stem cell transplantation for acute leukemia. Front Pediatr 2023; 11:1232281. [PMID: 37780051 PMCID: PMC10534014 DOI: 10.3389/fped.2023.1232281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 08/22/2023] [Indexed: 10/03/2023] Open
Abstract
Allogeneic hematopoietic stem cell transplantation (HSCT) has been an important and efficacious treatment for acute leukemia in children for over 60 years. It works primarily through the graft-vs.-leukemia (GVL) effect, in which donor T-cells and other immune cells act to eliminate residual leukemia. Cord blood is an alternative source of stem cells for transplantation, with distinct biological and immunological characteristics. Retrospective clinical studies report superior relapse rates with cord blood transplantation (CBT), when compared to other stem cell sources, particularly for patients with high-risk leukemia. Xenograft models also support the superiority of cord blood T-cells in eradicating malignancy, when compared to those derived from peripheral blood. Conversely, CBT has historically been associated with an increased risk of transplant-related mortality (TRM) and morbidity, particularly from infection. Here we discuss clinical aspects of CBT, the unique immunology of cord blood T-cells, their role in the GVL effect and future methods to maximize their utility in cellular therapies for leukemia, honing and harnessing their antitumor properties whilst managing the risks of TRM.
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Affiliation(s)
- Roisin Borrill
- Blood and Marrow Transplant Unit, Royal Manchester Children’s Hospital, Manchester University NHS Foundation Trust, Manchester, United Kingdom
- Division of Infection, Immunity and Respiratory Medicine, Faculty of Biology, School of Biological Sciences, Lydia Becker Institute of Immunology and Inflammation, Medicine and Health, University of Manchester, Manchester, United Kingdom
| | - Kay Poulton
- Transplantation Laboratory, Manchester University NHS Foundation Trust, Manchester, United Kingdom
- Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
| | - Robert Wynn
- Blood and Marrow Transplant Unit, Royal Manchester Children’s Hospital, Manchester University NHS Foundation Trust, Manchester, United Kingdom
- Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
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3
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Kaida K, Ikegame K, Inoue T, Maruyama S, Ishii S, Uchida N, Doki N, Eto T, Fukuda T, Katayama Y, Takada S, Kawakita T, Ichinohe T, Atsuta Y, Daimon T, Ogawa H. Peritransplantation Glucocorticoid Haploidentical Stem Cell Transplantation Is a Promising Strategy for AML Patients With High Leukemic Burden: Comparison With Transplantations Using Other Donor Types. Transplant Cell Ther 2023; 29:273.e1-273.e9. [PMID: 36641032 DOI: 10.1016/j.jtct.2023.01.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 01/03/2023] [Accepted: 01/05/2023] [Indexed: 01/13/2023]
Abstract
Using a murine haploidentical bone marrow transplantation (BMT) model, we recently showed that peritransplantation administration of glucocorticoid (GC) redistributed donor T cells from the gastrointestinal tract to bone marrow, which resulted in a significant reduction of graft-versus-host disease (GVHD) while promoting graft-versus-leukemia effects. Furthermore, in a retrospective clinical study of patients with acute myelogenous leukemia (AML) undergoing transplantation in non-remission, we also showed that haploidentical stem cell transplantation (haplo-SCT) using peritransplantation GC administration led to a significantly lower relapse rate and better overall survival rate compared with haplo-SCT using post-transplantation cyclophosphamide. In the present study, using the same dataset of patients undergoing GC haplo-SCT, we retrospectively compared with patients with AML undergoing transplantation in non-remission using 3 other donor types: matched sibling donor (MSD), matched unrelated donor (MUD), and umbilical cord blood (UCB). For GC haplo-SCT, 44 patients underwent peripheral blood stem cell transplantation in a single center (Hyogo College of Medicine), with the conditioning treatment consisting of fludarabine, melphalan, anti-thymocyte globulin (2.5 mg/kg), and TBI 3 Gy. Methylprednisolone was given from the start of conditioning treatment, and the GVHD prophylaxis consisted of tacrolimus and methylprednisolone (1 mg/kg). The transplantation outcomes were compared with data of 1889 patients undergoing MSD-SCT (n = 449), MUD-BMT (n = 493), or UCB transplantation (UCBT) (n = 947) in non-CR, which were extracted from the Transplant Registry Unified Management Program data, the largest data registry in Japan. For donor engraftment, significantly faster neutrophil and platelet engraftment was achieved with GC haplo-SCT compared with allo-SCT using the 3 other donor types. Neutrophil engraftment was achieved at a median of 10 days for GC haplo-SCT, and 20 days for MSD-, MUD-, and UCB-transplants. Platelet engraftment was achieved at a median of 19.5 days for GC haplo-SCT, 42 days for MSD-SCT and MUD-BMT, and 43 days for UCBT, respectively. The incidence of grade II-IV acute GVHD was lower after allo-SCTs using MSD (hazard ratio [HR] = 0.465, P = .003), MUD (HR = 0.524, P = .010), and UCB (HR = 0.647, P = .067) compared with GC haplo-SCT. There was no significant difference in the incidence of chronic GVHD between GC haplo-SCT and allo-SCT using the other 3 donor types. Regarding relapse, GC haplo-SCT was associated with a significantly lower risk compared with MSD-SCT (P < .001) or MUD-BMT (P = .004). GC haplo-SCT tended to have a lower risk compared with UCBT (P = .063). Especially, all the 43 evaluable GC haplo-SCT recipients achieved CR after transplantation, whereas 23.9%, 22.8%, and 27.0% of patients who underwent MSD-SCT, MUD-BMT, and UCBT could not achieve CR after transplantation, respectively. Regarding non-relapse mortality, GC haplo-SCT was associated with a significantly higher risk compared with MUD-BMT (P = .014), and tended to have a higher risk compared with MSD-SCT (P = .061). There was no significant difference between GC haplo-SCT and UCBT (P = .600). Allo-SCTs using MSD (HR = 2.548, P < .001), MUD (HR = 2.134, P = .005), and UCB (HR = 2.376, P = .001) lead to significantly higher overall mortality compared with GC haplo-SCT; the adjusted overall survival at 3 years was 19.8% for MSD, 26.1% for MUD, 28.0% for UCB, and 65.1% for GC haplo. Thus GC haplo-SCT is a promising treatment option for patients with AML with a high leukemic burden.
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Affiliation(s)
- Katsuji Kaida
- Division of Hematology, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Japan
| | - Kazuhiro Ikegame
- Division of Hematology, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Japan
| | - Takayuki Inoue
- Division of Hematology, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Japan
| | - Satoshi Maruyama
- Division of Hematology, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Japan; Department of Hematology-Oncology, Chiba Cancer Center, Chiba, Japan
| | - Shinichi Ishii
- Division of Hematology, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Japan; Division of Hematology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Naoyuki Uchida
- Department of Hematology, Federation of National Public Service Personnel Mutual Aid Associations, Toranomon Hospital, Tokyo, Japan
| | - Noriko Doki
- Hematology Division, Tokyo Metropolitan Cancer and Infectious Diseases Center, Komagome Hospital, Tokyo, Japan
| | - Tetsuya Eto
- Department of Hematology, Hamanomachi Hospital, Fukuoka, Japan
| | - Takahiro Fukuda
- Department of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan
| | - Yuta Katayama
- Department of Hematology, Hiroshima Red Cross Hospital & Atomic-Bomb Survivors Hospital, Hiroshima, Japan
| | - Satoru Takada
- Leukemia Research Center, Saiseikai Maebashi Hospital, Gunma, Japan
| | - Toshiro Kawakita
- Department of Hematology, National Hospital Organization Kumamoto Medical Center, Kumamoto, Japan
| | - Tatsuo Ichinohe
- Department of Hematology and Oncology, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima, Japan
| | - Yoshiko Atsuta
- Department of Healthcare Administration, Nagoya University Graduate School of Medicine, Aichi, Japan; Japanese Data Center for Hematopoietic Cell Transplantation, Nagoya, Japan
| | - Takashi Daimon
- Department of Biostatistics, Hyogo College of Medicine, Nishinomiya, Japan
| | - Hiroyasu Ogawa
- Division of Hematology, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Japan; Department of Hematology, Osaka Gyoumeikan Hospital, Osaka, Japan.
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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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HTLV-1 infection of donor-derived T cells might promote acute graft-versus-host disease following liver transplantation. Nat Commun 2022; 13:7368. [PMID: 36450748 PMCID: PMC9712688 DOI: 10.1038/s41467-022-35111-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Accepted: 11/18/2022] [Indexed: 12/03/2022] Open
Abstract
Acute graft versus host disease (aGVHD) is a rare, but severe complication of liver transplantation (LT). It is caused by the activation of donor immune cells in the graft against the host shortly after transplantation, but the contributing pathogenic factors remain unclear. Here we show that human T cell lymphotropic virus type I (HTLV-1) infection of donor T cells is highly associated with aGVHD following LT. The presence of HTLV-1 in peripheral blood and tissue samples from a discovery cohort of 7 aGVHD patients and 17 control patients is assessed with hybridization probes (TargetSeq), mass cytometry (CyTOF), and multiplex immunohistology (IMC). All 7 of our aGVHD patients display detectable HTLV-1 Tax signals by IMC. We identify donor-derived cells based on a Y chromosome-specific genetic marker, EIF1AY. Thus, we confirm the presence of CD4+Tax+EIF1AY+ T cells and Tax+CD68+EIF1AY+ antigen-presenting cells, indicating HTLV-1 infection of donor immune cells. In an independent cohort of 400 patients, we verify that HTLV-1 prevalence correlates with aGVHD incidence, while none of the control viruses shows significant associations. Our findings thus provide new insights into the aetio-pathology of liver-transplantation-associated aGVHD and raise the possibility of preventing aGVHD prior to transplantation.
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Watkins B, Williams KM. Controversies and expectations for the prevention of GVHD: A biological and clinical perspective. Front Immunol 2022; 13:1057694. [PMID: 36505500 PMCID: PMC9726707 DOI: 10.3389/fimmu.2022.1057694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 11/03/2022] [Indexed: 11/24/2022] Open
Abstract
Severe acute and chronic graft versus host disease (GVHD) remains a major cause of morbidity and mortality after allogeneic hematopoietic cell transplantation. Historically, cord blood and matched sibling transplantation has been associated with the lowest rates of GVHD. Newer methods have modified the lymphocyte components to minimize alloimmunity, including: anti-thymocyte globulin, post-transplant cyclophosphamide, alpha/beta T cell depletion, and abatacept. These agents have shown promise in reducing severe GVHD, however, can be associated with increased risks of relapse, graft failure, infections, and delayed immune reconstitution. Nonetheless, these GVHD prophylaxis strategies have permitted expansion of donor sources, especially critical for those of non-Caucasian decent who previously lacked transplant options. This review will focus on the biologic mechanisms driving GVHD, the method by which each agent impacts these activated pathways, and the clinical consequences of these modern prophylaxis approaches. In addition, emerging novel targeted strategies will be described. These GVHD prophylaxis approaches have revolutionized our ability to increase access to transplant and have provided important insights into the biology of GVHD and immune reconstitution.
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7
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Liu Z, Zeng Q, Chen X, He C, Wang F, Liu T. Donor peritoneal-derived cells can attenuate graft-versus-host disease after MHC-incompatible bone marrow transplantation in mice. Int Immunopharmacol 2022; 112:109296. [DOI: 10.1016/j.intimp.2022.109296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 09/23/2022] [Accepted: 09/26/2022] [Indexed: 11/05/2022]
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8
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Dekker L, Sanders E, Lindemans CA, de Koning C, Nierkens S. Naive T Cells in Graft Versus Host Disease and Graft Versus Leukemia: Innocent or Guilty? Front Immunol 2022; 13:893545. [PMID: 35795679 PMCID: PMC9250980 DOI: 10.3389/fimmu.2022.893545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 05/18/2022] [Indexed: 11/13/2022] Open
Abstract
The outcome of allogeneic hematopoietic cell transplantation (allo-HCT) largely depends on the development and management of graft-versus-host disease (GvHD), infections, and the occurrence of relapse of malignancies. Recent studies showed a lower incidence of chronic GvHD and severe acute GvHD in patients receiving naive T cell depleted grafts compared to patients receiving complete T cell depleted grafts. On the other hand, the incidence of acute GvHD in patients receiving cord blood grafts containing only naive T cells is rather low, while potent graft-versus-leukemia (GvL) responses have been observed. These data suggest the significance of naive T cells as both drivers and regulators of allogeneic reactions. The naive T cell pool was previously thought to be a quiescent, homogenous pool of antigen-inexperienced cells. However, recent studies showed important differences in phenotype, differentiation status, location, and function within the naive T cell population. Therefore, the adequate recovery of these seemingly innocent T cells might be relevant in the imminent allogeneic reactions after allo-HCT. Here, an extensive review on naive T cells and their contribution to the development of GvHD and GvL responses after allo-HCT is provided. In addition, strategies specifically directed to stimulate adequate reconstitution of naive T cells while reducing the risk of GvHD are discussed. A better understanding of the relation between naive T cells and alloreactivity after allo-HCT could provide opportunities to improve GvHD prevention, while maintaining GvL effects to lower relapse risk.
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Affiliation(s)
- Linde Dekker
- Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands
| | - Evy Sanders
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht, Netherlands
| | | | - Coco de Koning
- Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht, Netherlands
| | - Stefan Nierkens
- Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht, Netherlands
- *Correspondence: Stefan Nierkens,
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9
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Inoue T, Koyama M, Kaida K, Ikegame K, Ensbey KS, Samson L, Takahashi S, Zhang P, Minnie SA, Maruyama S, Ishii S, Daimon T, Fukuda T, Nakamae H, Ara T, Maruyama Y, Ishiyama K, Ichinohe T, Atsuta Y, Blazar BR, Furlan SN, Ogawa H, Hill GR. Peritransplant glucocorticoids redistribute donor T cells to the bone marrow and prevent relapse after haploidentical SCT. JCI Insight 2021; 6:e153551. [PMID: 34637399 PMCID: PMC8663779 DOI: 10.1172/jci.insight.153551] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 10/08/2021] [Indexed: 02/02/2023] Open
Abstract
Patients with acute leukemia who are unable to achieve complete remission prior to allogeneic hematopoietic stem cell transplantation (SCT) have dismal outcomes, with relapse rates well in excess of 60%. Haplo-identical SCT (haplo-SCT) may allow enhanced graft-versus-leukemia (GVL) effects by virtue of HLA class I/II donor-host disparities, but it typically requires intensive immunosuppression with posttransplant cyclophosphamide (PT-Cy) to prevent lethal graft-versus-host disease (GVHD). Here, we demonstrate in preclinical models that glucocorticoid administration from days -1 to +5 inhibits alloantigen presentation by professional recipient antigen presenting cells in the gastrointestinal tract and prevents donor T cell priming and subsequent expansion therein. In contrast, direct glucocorticoid signaling of donor T cells promotes chemokine and integrin signatures permissive of preferential circulation and migration into the BM, promoting donor T cell residency. This results in significant reductions in GVHD while promoting potent GVL effects; relapse in recipients receiving glucocorticoids, vehicle, or PT-Cy was 12%, 56%, and 100%, respectively. Intriguingly, patients with acute myeloid leukemia not in remission who received unmanipulated haplo-SCT and peritransplant glucocorticoids also had an unexpectedly low relapse rate at 1 year (32%; 95% CI, 18%-47%) with high overall survival at 3 years (58%; 95% CI, 38%-74%). These data highlight a potentially simple and effective approach to prevent relapse in patients with otherwise incurable leukemia that could be studied in prospective randomized trials.
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Affiliation(s)
- Takayuki Inoue
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
- Division of Hematology, Department of Internal Medicine, Hyogo College of Medicine, Hyogo, Japan
| | - Motoko Koyama
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
| | - Katsuji Kaida
- Division of Hematology, Department of Internal Medicine, Hyogo College of Medicine, Hyogo, Japan
| | - Kazuhiro Ikegame
- Division of Hematology, Department of Internal Medicine, Hyogo College of Medicine, Hyogo, Japan
| | - Kathleen S. Ensbey
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
| | - Luke Samson
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
| | - Shuichiro Takahashi
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
| | - Ping Zhang
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
| | - Simone A. Minnie
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
| | - Satoshi Maruyama
- Division of Hematology, Department of Internal Medicine, Hyogo College of Medicine, Hyogo, Japan
- Department of Hematology-Oncology, Chiba Cancer Center, Chiba, Japan
| | - Shinichi Ishii
- Division of Hematology, Department of Internal Medicine, Hyogo College of Medicine, Hyogo, Japan
- Division of Hematology, Kobe University Graduate School of Medicine, Hyogo, Japan
| | - Takashi Daimon
- Department of Biostatistics, Hyogo College of Medicine, Hyogo, Japan
| | - Takahiro Fukuda
- Department of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan
| | - Hirohisa Nakamae
- Department of Hematology, Osaka City University Hospital, Osaka, Japan
| | - Takahide Ara
- Department of Hematology, Hokkaido University Hospital, Hokkaido, Japan
| | - Yumiko Maruyama
- Department of Hematology, University of Tsukuba Hospital, Ibaraki, Japan
| | - Ken Ishiyama
- Department of Hematology, Kanazawa University Hospital, Ishikawa, Japan
| | - Tatsuo Ichinohe
- Department of Hematology and Oncology, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima, Japan
| | - Yoshiko Atsuta
- Japanese Data Center for Hematopoietic Cell Transplantation, Tokyo, Japan
- Department of Healthcare Administration, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Bruce R. Blazar
- Division of Blood and Marrow Transplantation, Department of Pediatrics, University of Minnesota, Minneapolis, Minnesota, USA
| | - Scott N. Furlan
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
| | - Hiroyasu Ogawa
- Division of Hematology, Department of Internal Medicine, Hyogo College of Medicine, Hyogo, Japan
- Department of Hematology, Osaka Gyoumeikan Hospital, Osaka, Japan
| | - Geoffrey R. Hill
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
- Division of Medical Oncology, University of Washington, Seattle, Washington, USA
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10
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Zhou M, Sacirbegovic F, Zhao K, Rosenberger S, Shlomchik WD. T cell exhaustion and a failure in antigen presentation drive resistance to the graft-versus-leukemia effect. Nat Commun 2020; 11:4227. [PMID: 32839441 PMCID: PMC7445289 DOI: 10.1038/s41467-020-17991-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Accepted: 07/28/2020] [Indexed: 12/20/2022] Open
Abstract
In hematopoietic cell transplants, alloreactive T cells mediate the graft-versus-leukemia (GVL) effect. However, leukemia relapse accounts for nearly half of deaths. Understanding GVL failure requires a system in which GVL-inducing T cells can be tracked. We used such a model wherein GVL is exclusively mediated by T cells that recognize the minor histocompatibility antigen H60. Here we report that GVL fails due to insufficient H60 presentation and T cell exhaustion. Leukemia-derived H60 is inefficiently cross-presented whereas direct T cell recognition of leukemia cells intensifies exhaustion. The anti-H60 response is augmented by H60-vaccination, an agonist αCD40 antibody (FGK45), and leukemia apoptosis. T cell exhaustion is marked by inhibitory molecule upregulation and the development of TOX+ and CD39−TCF-1+ cells. PD-1 blockade diminishes exhaustion and improves GVL, while blockade of Tim-3, TIGIT or LAG3 is ineffective. Of all interventions, FGK45 administration at the time of transplant is the most effective at improving memory and naïve T cell anti-H60 responses and GVL. Our studies define important causes of GVL failure and suggest strategies to overcome them. In hematopoietic stem cell transplants, T cells mediate graft-versus-leukemia (GVL), but GVL can fail leading to leukemia relapse. Here the authors use a mouse model in which T cells target the minor histocompatibility antigen H60 to show how this can occur, characterize the CD8+ T cell response and demonstrate how anti-CD40 antibody therapy improves GVL.
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Affiliation(s)
- Meng Zhou
- Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Faruk Sacirbegovic
- Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Kai Zhao
- Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Sarah Rosenberger
- Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Warren D Shlomchik
- Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA. .,Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA. .,The Starzl Transplantation Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA. .,The Hillman UPMC Cancer Center, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
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11
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In vivo dynamics of T cells and their interactions with dendritic cells in mouse cutaneous graft-versus-host disease. Blood Adv 2020; 3:2082-2092. [PMID: 31296496 DOI: 10.1182/bloodadvances.2019000227] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2019] [Accepted: 05/15/2019] [Indexed: 12/13/2022] Open
Abstract
Graft-versus-host disease (GVHD) is a major cause of morbidity and mortality in allogeneic hematopoietic stem cell transplantation (alloSCT). By static microscopy, cutaneous GVHD lesions contain a mix of T cells and myeloid cells. We used 2-photon intravital microscopy to investigate the dynamics of CD4+ and CD8+ T cells and donor dendritic cells (DCs) in cutaneous GVHD lesions in an MHC-matched, multiple minor histocompatibility antigen-mismatched (miHA) model. The majority of CD4 and CD8 cells were stationary, and few cells entered and stopped or were stopped and left the imaged volumes. CD8 cells made TCR:MHCI-dependent interactions with CD11c+ cells, as measured by the durations that CD8 cells contacted MHCI+ vs MHCI- DCs. The acute deletion of Langerin+CD103+ DCs, which were relatively rare, did not affect CD8 cell motility and DC contact times, indicating that Langerin-CD103- DCs provide stop signals to CD8 cells. CD4 cells, in contrast, had similar contact durations with MHCII+ and MHCII- DCs. However, CD4 motility rapidly increased after the infusion of an MHCII-blocking antibody, indicating that TCR signaling actively suppressed CD4 movements. Many CD4 cells still were stationary after anti-MHCII antibody infusion, suggesting CD4 cell heterogeneity within the lesion. These data support a model of local GVHD maintenance within target tissues.
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12
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Woelfinger P, Epp K, Schaefer L, Kriege D, Theobald M, Bopp T, Wagner-Drouet EM. CD52-negative T cells predict acute graft-versus-host disease after an alemtuzumab-based conditioning regimen. Br J Haematol 2020; 191:253-262. [PMID: 32410220 DOI: 10.1111/bjh.16706] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Accepted: 04/09/2020] [Indexed: 11/28/2022]
Abstract
Allogeneic haematopoietic stem cell transplantation (HSCT) after a reduced-intensity conditioning (RIC) regimen with fludarabine, melphalan and alemtuzmab is an effective therapy for haematological malignancies. Alemtuzumab, a monoclonal antibody against CD52, a glycosylphosphatidylinositol-anchor-bound surface protein on lymphocytes, depletes T cells to prevent graft-versus-host disease (GVHD). Despite this, acute and chronic GVHD (a/cGVHD) remain life-threatening complications after HSCT. The aim of the present study was to identify parameters to predict GVHD. In 69 patients after HSCT, T-cell subsets were functionally analysed. Reconstitution of CD52neg T cells and CD52neg regulatory T cells (Tregs) correlated with onset, severity and clinical course of aGVHD. Patients with aGVHD showed significantly lower levels of CD52pos T cells compared to patients with cGVHD or without GVHD (P < 0·001). Analysis of T-cell reconstitution revealed a percentage of <40% of CD52pos CD4pos T cells or CD52pos Tregs at day +50 as a risk factor for the development of aGVHD. In contrast, CD52neg Tregs showed significant decreased levels of glycoprotein A repetitions predominant (GARP; P < 0·001), glucocorticoid-induced TNFR-related protein (GITR; P < 0·001), chemokine receptor (CXCR3; P = 0·023), C-C chemokine receptor type 5 (CCR5; P = 0·004), but increased levels of immunoglobulin-like transcript 3 (ILT3; P = 0·001), as well as a reduced suppressive capacity. We conclude that reconstitution of CD52neg T cells and CD52neg Tregs is a risk factor for development of aGVHD.
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Affiliation(s)
- Pascal Woelfinger
- Department of Hematology, Oncology and Pneumology, University Cancer Center Mainz (UCT), University Medical Center Mainz, Mainz, Germany
| | - Katharina Epp
- Department of Hematology, Oncology and Pneumology, University Cancer Center Mainz (UCT), University Medical Center Mainz, Mainz, Germany
| | - Lukas Schaefer
- Department of Hematology, Oncology and Pneumology, University Cancer Center Mainz (UCT), University Medical Center Mainz, Mainz, Germany
| | - Diana Kriege
- Department of Hematology, Oncology and Pneumology, University Cancer Center Mainz (UCT), University Medical Center Mainz, Mainz, Germany
| | - Matthias Theobald
- Department of Hematology, Oncology and Pneumology, University Cancer Center Mainz (UCT), University Medical Center Mainz, Mainz, Germany
| | - Tobias Bopp
- Institute for Immunology, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Eva-Maria Wagner-Drouet
- Department of Hematology, Oncology and Pneumology, University Cancer Center Mainz (UCT), University Medical Center Mainz, Mainz, Germany
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13
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Dissecting the biology of allogeneic HSCT to enhance the GvT effect whilst minimizing GvHD. Nat Rev Clin Oncol 2020; 17:475-492. [PMID: 32313224 DOI: 10.1038/s41571-020-0356-4] [Citation(s) in RCA: 73] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/16/2020] [Indexed: 12/12/2022]
Abstract
Allogeneic haematopoietic stem cell transplantation (allo-HSCT) was the first successful therapy for patients with haematological malignancies, predominantly owing to graft-versus-tumour (GvT) effects. Dramatic methodological changes, designed to expand eligibility for allo-HSCT to older patients and/or those with comorbidities, have led to the use of reduced-intensity conditioning regimens, in parallel with more aggressive immunosuppression to better control graft-versus-host disease (GvHD). Consequently, disease relapse has become the major cause of death following allo-HSCT. Hence, the prevention and treatment of relapse has come to the forefront and remains an unmet medical need. Despite >60 years of preclinical and clinical studies, the immunological requirements necessary to achieve GvT effects without promoting GvHD have not been fully established. Herein, we review learnings from preclinical modelling and clinical studies relating to the GvT effect, focusing on mechanisms of relapse and on immunomodulatory strategies that are being developed to overcome disease recurrence after both allo-HSCT and autologous HSCT. Emphasis is placed on discussing current knowledge and approaches predicated on the use of cell therapies, cytokines to augment immune responses and dual-purpose antibody therapies or other pharmacological agents that can control GvHD whilst simultaneously targeting cancer cells.
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14
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Drokov M, Davydova Y, Popova N, Kapranov N, Starikova O, Mikhaltsova E, Nareyko M, Dmitrova A, Konova Z, Galtseva I, Kuzmina L, Parovichnikova E, Savchenko V. High expression of granzyme B in conventional CD4+ T cells is associated with increased relapses after allogeneic stem cells transplantation in patients with hematological malignancies. Transpl Immunol 2020; 65:101295. [PMID: 32302642 DOI: 10.1016/j.trim.2020.101295] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 04/13/2020] [Accepted: 04/13/2020] [Indexed: 11/26/2022]
Abstract
Granzyme B is known to be a serine protease contained in granules of cytotoxic T cells. We have previously reported an influence of granzyme B expression in T regulatory cells (Tregs) on the risk of acute graft versus host disease (GVHD) onset. However, it is still unknown if conventional T cells (Tcon) use the granzyme B pathway as a mechanism of alloimmunity. We hypothesized that granzyme B in Tcon may affect recurrence within the first 6 months after allogeneic transplantation (allo-HSCT). A total of 65 patients with different hematological malignancies were included in this study. Blood samples were collected on day +30 after allo-HSCT. The percentage of granzyme B positive conventional T cells in patients who developed relapse in the first 6 months after allo-HSCT was 11.3 (4.5-35.3) compared to the others in continuous complete remission-1.3 (3.65-9.7), р = 0.011. The risk of relapse after allo-HSCT was in 3.9 times higher in patients with an increased percentage of granzyme B positive conventional T cells. The findings demonstrated that the percentage of granzyme B positive conventional T cells on day +30 after allo-HSCT could be a predictable marker of relapse within the first 6 months after allo-HSCT.
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Affiliation(s)
- Mikhail Drokov
- Immunotherapy and Post-BMT Complications Department, National Research Center for Hematology, Noviy Zikovskiy proezd 4, 125167 Moscow, Russian Federation.
| | - Yulia Davydova
- Flow Cytometry Department, National Research Center for Hematology, Noviy Zikovskiy proezd 4, 125167 Moscow, Russian Federation
| | - Natalia Popova
- Immunotherapy and Post-BMT Complications Department, National Research Center for Hematology, Noviy Zikovskiy proezd 4, 125167 Moscow, Russian Federation
| | - Nikolay Kapranov
- Flow Cytometry Department, National Research Center for Hematology, Noviy Zikovskiy proezd 4, 125167 Moscow, Russian Federation
| | - Olga Starikova
- Immunotherapy and Post-BMT Complications Department, National Research Center for Hematology, Noviy Zikovskiy proezd 4, 125167 Moscow, Russian Federation
| | - Ekaterina Mikhaltsova
- Immunotherapy and Post-BMT Complications Department, National Research Center for Hematology, Noviy Zikovskiy proezd 4, 125167 Moscow, Russian Federation
| | - Maria Nareyko
- BMT Department, National Research Center for Hematology, Noviy Zikovskiy proezd 4, 125167 Moscow, Russian Federation
| | - Anna Dmitrova
- Immunotherapy and Post-BMT Complications Department, National Research Center for Hematology, Noviy Zikovskiy proezd 4, 125167 Moscow, Russian Federation
| | - Zoya Konova
- BMT Department, National Research Center for Hematology, Noviy Zikovskiy proezd 4, 125167 Moscow, Russian Federation
| | - Irina Galtseva
- Flow Cytometry Department, National Research Center for Hematology, Noviy Zikovskiy proezd 4, 125167 Moscow, Russian Federation
| | - Larisa Kuzmina
- BMT Department, National Research Center for Hematology, Noviy Zikovskiy proezd 4, 125167 Moscow, Russian Federation
| | - Elena Parovichnikova
- BMT Department, National Research Center for Hematology, Noviy Zikovskiy proezd 4, 125167 Moscow, Russian Federation
| | - Valery Savchenko
- BMT Department, National Research Center for Hematology, Noviy Zikovskiy proezd 4, 125167 Moscow, Russian Federation
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15
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During acute graft versus host disease CD28 deletion in donor CD8+, but not CD4+, T cells maintain antileukemia responses in mice. Eur J Immunol 2018; 48:2055-2067. [DOI: 10.1002/eji.201847669] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 08/02/2018] [Accepted: 10/09/2018] [Indexed: 01/12/2023]
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16
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Juchem KW, Sacirbegovic F, Zhang C, Sharpe AH, Russell K, McNiff JM, Demetris AJ, Shlomchik MJ, Shlomchik WD. PD-L1 Prevents the Development of Autoimmune Heart Disease in Graft-versus-Host Disease. THE JOURNAL OF IMMUNOLOGY 2017; 200:834-846. [PMID: 29212909 DOI: 10.4049/jimmunol.1701076] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Accepted: 11/03/2017] [Indexed: 01/22/2023]
Abstract
Effector memory T cells (TEM) are less capable of inducing graft-versus-host disease (GVHD) compared with naive T cells (TN). Previously, in the TS1 TCR transgenic model of GVHD, wherein TS1 CD4 cells specific for a model minor histocompatibility Ag (miHA) induce GVHD in miHA-positive recipients, we found that cell-intrinsic properties of TS1 TEM reduced their GVHD potency relative to TS1 TN Posttransplant, TS1 TEM progeny expressed higher levels of PD-1 than did TS1 TN progeny, leading us to test the hypothesis that TEM induce less GVHD because of increased sensitivity to PD-ligands. In this study, we tested this hypothesis and found that indeed TS1 TEM induced more severe skin and liver GVHD in the absence of PD-ligands. However, lack of PD-ligands did not result in early weight loss and colon GVHD comparable to that induced by TS1 TN, indicating that additional pathways restrain alloreactive TEM TS1 TN also caused more severe GVHD without PD-ligands. The absence of PD-ligands on donor bone marrow was sufficient to augment GVHD caused by either TEM or TN, indicating that donor PD-ligand-expressing APCs critically regulate GVHD. In the absence of PD-ligands, both TS1 TEM and TN induced late-onset myocarditis. Surprisingly, this was an autoimmune manifestation, because its development required non-TS1 polyclonal CD8+ T cells. Myocarditis development also required donor bone marrow to be PD-ligand deficient, demonstrating the importance of donor APC regulatory function. In summary, PD-ligands suppress both miHA-directed GVHD and the development of alloimmunity-induced autoimmunity after allogeneic hematopoietic transplantation.
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Affiliation(s)
- Kathryn W Juchem
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06520
| | | | - Cuiling Zhang
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06520
| | - Arlene H Sharpe
- Department of Microbiology and Immunology, Harvard Medical School, Boston, MA 02115
| | - Kerry Russell
- Department of Medicine, Yale University School of Medicine, New Haven, CT 06520
| | - Jennifer M McNiff
- Department of Dermatology, Yale University School of Medicine, New Haven, CT 06520.,Department of Pathology, Yale University School of Medicine, New Haven, CT 06520
| | | | - Mark J Shlomchik
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06520.,Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT 06520; and.,Department of Immunology, University of Pittsburgh, Pittsburgh, PA 15261
| | - Warren D Shlomchik
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06520; .,Department of Medicine, University of Pittsburgh, Pittsburgh, PA 15261.,Department of Medicine, Yale University School of Medicine, New Haven, CT 06520.,Department of Immunology, University of Pittsburgh, Pittsburgh, PA 15261
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17
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Affiliation(s)
- Robert Zeiser
- From the Department of Hematology, Oncology, and Stem Cell Transplantation, Faculty of Medicine, Freiburg University Medical Center, Freiburg, Germany (R.Z.); and the Department of Pediatrics, Division of Blood and Marrow Transplantation, University of Minnesota, Minneapolis (B.R.B.)
| | - Bruce R Blazar
- From the Department of Hematology, Oncology, and Stem Cell Transplantation, Faculty of Medicine, Freiburg University Medical Center, Freiburg, Germany (R.Z.); and the Department of Pediatrics, Division of Blood and Marrow Transplantation, University of Minnesota, Minneapolis (B.R.B.)
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18
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Perkey E, Maillard I. New Insights into Graft-Versus-Host Disease and Graft Rejection. ANNUAL REVIEW OF PATHOLOGY-MECHANISMS OF DISEASE 2017; 13:219-245. [PMID: 29099650 DOI: 10.1146/annurev-pathol-020117-043720] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Allogeneic transplantation of foreign organs or tissues has lifesaving potential, but can lead to serious complications. After solid organ transplantation, immune-mediated rejection mandates the use of prolonged global immunosuppression and limits the life span of transplanted allografts. After bone marrow transplantation, donor-derived immune cells can trigger life-threatening graft-versus-host disease. T cells are central mediators of alloimmune complications and the target of most existing therapeutic interventions. We review recent progress in identifying multiple cell types in addition to T cells and new molecular pathways that regulate pathogenic alloreactivity. Key discoveries include the cellular subsets that function as potential sources of alloantigens, the cross talk of innate lymphoid cells with damaged epithelia and with the recipient microbiome, the impact of the alarmin interleukin-33 on alloreactivity, and the role of Notch ligands expressed by fibroblastic stromal cells in alloimmunity. While refining our understanding of transplantation immunobiology, these findings identify new therapeutic targets and new areas of investigation.
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Affiliation(s)
- Eric Perkey
- Life Sciences Institute, University of Michigan, Ann Arbor, Michigan 48109, USA;
| | - Ivan Maillard
- Life Sciences Institute, University of Michigan, Ann Arbor, Michigan 48109, USA; .,Department of Internal Medicine, Division of Hematology-Oncology, and Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, Michigan 48109, USA.,Department of Medicine, Division of Hematology-Oncology, and Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA;
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19
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Development of T-cell immunotherapy for hematopoietic stem cell transplantation recipients at risk of leukemia relapse. Blood 2017; 131:108-120. [PMID: 29051183 DOI: 10.1182/blood-2017-07-791608] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Accepted: 10/01/2017] [Indexed: 12/13/2022] Open
Abstract
Leukemia relapse remains the major cause of allogeneic hematopoietic stem cell transplantation (HCT) failure, and the prognosis for patients with post-HCT relapse is poor. There is compelling evidence that potent selective antileukemic effects can be delivered by donor T cells specific for particular minor histocompatibility (H) antigens. Thus, T-cell receptors (TCRs) isolated from minor H antigen-specific T cells represent an untapped resource for developing targeted T-cell immunotherapy to manage post-HCT leukemic relapse. Recognizing that several elements may be crucial to the efficacy and safety of engineered T-cell immunotherapy, we developed a therapeutic transgene with 4 components: (1) a TCR specific for the hematopoietic-restricted, leukemia-associated minor H antigen, HA-1; (2) a CD8 coreceptor to promote function of the class I-restricted TCR in CD4+ T cells; (3) an inducible caspase 9 safety switch to enable elimination of the HA-1 TCR T cells in case of toxicity; and (4) a CD34-CD20 epitope to facilitate selection of the engineered cell product and tracking of transferred HA-1 TCR T cells. The T-cell product includes HA-1 TCR CD4+ T cells to augment the persistence and function of the HA-1 TCR CD8+ T cells and includes only memory T cells; naive T cells are excluded to limit the potential for alloreactivity mediated by native TCR coexpressed by HA-1 TCR T cells. We describe the development of this unique immunotherapy and demonstrate functional responses to primary leukemia by CD4+ and CD8+ T cells transduced with a lentiviral vector incorporating the HA-1 TCR transgene construct.
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20
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Hossain MS, Kunter GM, El-Najjar VF, Jaye DL, Al-Kadhimi Z, Taofeek OK, Li JM, Waller EK. PD-1 and CTLA-4 up regulation on donor T cells is insufficient to prevent GvHD in allo-HSCT recipients. PLoS One 2017; 12:e0184254. [PMID: 28953925 PMCID: PMC5617147 DOI: 10.1371/journal.pone.0184254] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Accepted: 08/21/2017] [Indexed: 01/22/2023] Open
Abstract
The expression of checkpoint blockade molecules PD-1, PD-L1, CTLA-4, and foxp3+CD25+CD4+ T cells (Tregs) regulate donor T cell activation and graft-vs-host disease (GvHD) in allogeneic hematopoietic stem cell transplant (allo-HSCT). Detailed kinetics of PD-1-, CTLA-4-, and PD-L1 expression on donor and host cells in GvHD target organs have not been well studied. Using an established GvHD model of allo-HSCT (B6 → CB6F1), we noted transient increases of PD-1- and CTLA-4-expressing donor CD4+ and CD8+ T cells on day 10 post transplant in spleens of allo-HSCT recipients compared with syngeneic HSCT (syn-HSCT) recipients. In contrast, expression of PD-1- and CTLA-4 on donor T cells was persistently increased in bone marrow (BM) of allo-HSCT recipients compared with syn-HSCT recipients. Similar differential patterns of donor T cell immune response were observed in a minor histocompatibility (miHA) mismatched transplant model of GvHD. Despite higher PD-1 and CTLA-4 expression in BM, numbers of foxp3+ T cells and Tregs were much lower in allo-HSCT recipients compared with syn-HSCT recipients. PD-L1-expressing host cells were markedly decreased concomitant with elimination of residual host hematopoietic elements in spleens of allo-HSCT recipients. Allo-HSCT recipients lacking PD-L1 rapidly developed increased serum inflammatory cytokines and lethal acute GvHD compared with wild-type (WT) B6 allo-HSCT recipients. These data suggest that increased expression of checkpoint blockade molecules PD-1 and CTLA-4 on donor T cells is not sufficient to prevent GvHD, and that cooperation between checkpoint blockade signaling by host cells and donor Tregs is necessary to limit GvHD in allo-HSCT recipients.
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Affiliation(s)
- Mohammad S. Hossain
- Department of Hematology and Medical Oncology, Division of Stem Cell and Bone Marrow Transplantation, Winship Cancer Institute, Emory University School of Medicine, Atlanta, Georgia, United States of America
| | - Ghada M. Kunter
- Holzer Cancer Center, Gallipolis, Ohio, United States of America
| | - Vicky F. El-Najjar
- Department of Pathology, Emory University School of Medicine, Atlanta, Georgia, United States of America
| | - David L. Jaye
- Department of Pathology, Emory University School of Medicine, Atlanta, Georgia, United States of America
| | - Zaid Al-Kadhimi
- Department of Hematology and Medical Oncology, Division of Stem Cell and Bone Marrow Transplantation, Winship Cancer Institute, Emory University School of Medicine, Atlanta, Georgia, United States of America
| | - Owonikoko K. Taofeek
- Department of Hematology and Medical Oncology, Division of Stem Cell and Bone Marrow Transplantation, Winship Cancer Institute, Emory University School of Medicine, Atlanta, Georgia, United States of America
| | - Jian-Ming Li
- Department of Hematology and Medical Oncology, Division of Stem Cell and Bone Marrow Transplantation, Winship Cancer Institute, Emory University School of Medicine, Atlanta, Georgia, United States of America
| | - Edmund K. Waller
- Department of Hematology and Medical Oncology, Division of Stem Cell and Bone Marrow Transplantation, Winship Cancer Institute, Emory University School of Medicine, Atlanta, Georgia, United States of America
- * E-mail:
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21
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Matte-Martone C, Liu J, Zhou M, Chikina M, Green DR, Harty JT, Shlomchik WD. Differential requirements for myeloid leukemia IFN-γ conditioning determine graft-versus-leukemia resistance and sensitivity. J Clin Invest 2017; 127:2765-2776. [PMID: 28604385 DOI: 10.1172/jci85736] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Accepted: 04/20/2017] [Indexed: 12/25/2022] Open
Abstract
The graft-versus-leukemia (GVL) effect in allogeneic hematopoietic stem cell transplantation (alloSCT) is potent against chronic phase chronic myelogenous leukemia (CP-CML), but blast crisis CML (BC-CML) and acute myeloid leukemias (AML) are GVL resistant. To understand GVL resistance, we studied GVL against mouse models of CP-CML, BC-CML, and AML generated by the transduction of mouse BM with fusion cDNAs derived from human leukemias. Prior work has shown that CD4+ T cell-mediated GVL against CP-CML and BC-CML required intact leukemia MHCII; however, stem cells from both leukemias were MHCII negative. Here, we show that CP-CML, BC-CML, and AML stem cells upregulate MHCII in alloSCT recipients. Using gene-deficient leukemias, we determined that BC-CML and AML MHC upregulation required IFN-γ stimulation, whereas CP-CML MHC upregulation was independent of both the IFN-γ receptor (IFN-γR) and the IFN-α/β receptor IFNAR1. Importantly, IFN-γR-deficient BC-CML and AML were completely resistant to CD4- and CD8-mediated GVL, whereas IFN-γR/IFNAR1 double-deficient CP-CML was fully GVL sensitive. Mouse AML and BC-CML stem cells were MHCI+ without IFN-γ stimulation, suggesting that IFN-γ sensitizes these leukemias to T cell killing by mechanisms other than MHC upregulation. Our studies identify the requirement of IFN-γ stimulation as a mechanism for BC-CML and AML GVL resistance, whereas independence from IFN-γ renders CP-CML more GVL sensitive, even with a lower-level alloimmune response.
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Affiliation(s)
| | - Jinling Liu
- Department of Medicine, University of Pittsburgh School of Medicine, University of Pittsburgh Cancer Institute, Pittsburgh, Pennsylvania, USA
| | - Meng Zhou
- Department of Medicine, University of Pittsburgh School of Medicine, University of Pittsburgh Cancer Institute, Pittsburgh, Pennsylvania, USA
| | - Maria Chikina
- Department of Computational Systems Biology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Douglas R Green
- Department of Immunology, St. Jude Children's Research Hospital, Memphis Tennessee, USA
| | - John T Harty
- Department of Microbiology and Pathology, University of Iowa, Iowa City, Iowa, USA.,Department of Immunobiology, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Warren D Shlomchik
- Department of Medicine, University of Pittsburgh School of Medicine, University of Pittsburgh Cancer Institute, Pittsburgh, Pennsylvania, USA.,Department of Microbiology and Pathology, University of Iowa, Iowa City, Iowa, USA.,Department of Immunobiology, Yale University School of Medicine, New Haven, Connecticut, USA
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22
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Alloantigen presentation and graft-versus-host disease: fuel for the fire. Blood 2016; 127:2963-70. [PMID: 27030390 DOI: 10.1182/blood-2016-02-697250] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Accepted: 03/05/2016] [Indexed: 12/16/2022] Open
Abstract
Allogeneic stem cell transplantation (SCT) is a unique procedure, primarily in patients with hematopoietic malignancies, involving chemoradiotherapy followed by the introduction of donor hematopoietic and immune cells into an inflamed and lymphopenic environment. Interruption of the process by which recipient alloantigen is presented to donor T cells to generate graft-versus-host disease (GVHD) represents an attractive therapeutic strategy to prevent morbidity and mortality after SCT and has been increasingly studied in the last 15 years. However, the immune activation resulting in GVHD has no physiological equivalent in nature; alloantigen is ubiquitous, persists indefinitely, and can be presented by multiple cell types at numerous sites, often on incompatible major histocompatibility complex, and occurs in the context of intense inflammation early after SCT. The recognition that alloantigen presentation is also critical to the development of immunological tolerance via both deletional and regulatory mechanisms further adds to this complexity. Finally, GVHD itself appears capable of inhibiting the presentation of microbiological antigens by donor dendritic cells late after SCT that is mandatory for the establishment of effective pathogen-specific immunity. Here, we review our current understanding of alloantigen, its presentation by various antigen-presenting cells, subsequent recognition by donor T cells, and the potential of therapeutic strategies interrupting this disease-initiating process to modify transplant outcome.
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23
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Cieri N, Mastaglio S, Oliveira G, Casucci M, Bondanza A, Bonini C. Adoptive immunotherapy with genetically modified lymphocytes in allogeneic stem cell transplantation. Immunol Rev 2014; 257:165-80. [PMID: 24329796 DOI: 10.1111/imr.12130] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Hematopoietic stem cell transplantation from a healthy donor (allo-HSCT) represents the most potent form of cellular adoptive immunotherapy to treat malignancies. In allo-HSCT, donor T cells are double edge-swords: highly potent against residual tumor cells, but potentially highly toxic, and responsible for graft versus host disease (GVHD), a major clinical complication of transplantation. Gene transfer technologies coupled with current knowledge on cancer immunology have generated a wide range of approaches aimed at fostering the immunological response to cancer cells, while avoiding or controlling GVHD. In this review, we discuss cell and gene therapy approaches currently tested in preclinical models and in clinical trials.
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Affiliation(s)
- Nicoletta Cieri
- University Vita-Salute San Raffaele, Milan, Italy; Experimental Hematology Unit, Division of Regenerative Medicine, Stem Cells and Gene Therapy, PIBIC, San Raffaele Scientific Institute, Milan, Italy
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24
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Abstract
The last 6 decades have seen major advances in the understanding of immunologic diseases, driven by preclinical animal models. Indeed, bone marrow transplantation (BMT) has its genesis in rodent models dating back to the 1950s. Allogeneic BMT and its major complication, graft-versus-host disease (GVHD), represent a paradigm for the translation of preclinical concepts into clinical practice. The appreciation that GVHD can be thought of as a stepwise escalation in immune activation characterized by eventual massive target tissue apoptosis has allowed the design of rational approaches to better manage patients. Here, we describe the pathophysiology of GVHD as defined in preclinical models, focusing on the successes and failures of this research to instruct and translate clinical practice. We also provide a commentary on the limitations of these models so that they may be better appreciated and addressed in future studies. Notable preclinical successes include the definition of modern immune suppression, reductions in conditioning intensity, posttransplant cyclophosphamide, and the promotion of regulatory T-cell reconstitution. New strategies including naïve T-cell depletion, focused cytokine and chemokine inhibition, and the blockade of costimulation now also appear highly promising and very likely to translate into patients in the near future.
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Yarkoni S, Stein J, Yaniv I, Askenasy N. Antigen-Specific Priming is Dispensable in Depletion of Apoptosis-Sensitive T Cells for GvHD Prophylaxis. Front Immunol 2014; 5:215. [PMID: 24904571 PMCID: PMC4032906 DOI: 10.3389/fimmu.2014.00215] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2014] [Accepted: 04/29/2014] [Indexed: 01/02/2023] Open
Abstract
Prophylactic approaches to graft versus host disease (GvHD) have employed both phenotypic reduction of T cells and selective elimination of host-primed donor T cells in vitro and in vivo. An additional approach to GvHD prophylaxis by functional depletion of apoptosis-sensitive donor T cells without host-specific sensitization ex vivo showed remarkable reduction in GHD incidence and severity. We address the role and significance of antigen-specific sensitization of donor T cells and discuss the mechanisms of functional T cell purging by apoptosis for GvHD prevention. Host-specific sensitization is dispensable because migration is antigen-independent and donor T cell sensitization is mediated by multiple and redundant mechanisms of presentation of major and minor histocompatibility complex and tissue antigens by donor and host antigen-presenting cells. Our data suggest that potential murine and human GvH effectors reside within subsets of preactivated T cells susceptible to negative regulation by apoptosis prior to encounter of and sensitization to specific antigens.
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Affiliation(s)
| | - Jerry Stein
- Bone Marrow Transplant Unit, Department of Pediatric Hematology-Oncology, Schneider Children's Medical Center of Israel , Petah Tikva , Israel
| | - Isaac Yaniv
- Bone Marrow Transplant Unit, Department of Pediatric Hematology-Oncology, Schneider Children's Medical Center of Israel , Petah Tikva , Israel
| | - Nadir Askenasy
- Frankel Laboratory, Center for Stem Cell Research, Schneider Children's Medical Center of Israel , Petah Tikva , Israel
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Vincent K, Hardy MP, Trofimov A, Laumont CM, Sriranganadane D, Hadj-Mimoune S, Salem Fourati I, Soudeyns H, Thibault P, Perreault C. Rejection of leukemic cells requires antigen-specific T cells with high functional avidity. Biol Blood Marrow Transplant 2013; 20:37-45. [PMID: 24161924 DOI: 10.1016/j.bbmt.2013.10.020] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2013] [Accepted: 10/21/2013] [Indexed: 12/31/2022]
Abstract
In a context where injection of antigen (Ag)-specific T cells probably represents the future of leukemia immunotherapy, identification of optimal target Ags is crucial. We therefore sought to discover a reliable marker for selection of the most potent Ags. To this end, (1) we immunized mice against 8 individual Ags: 4 minor histocompatibility Ags (miHAs) and 4 leukemia-associated Ags (LAAs) that were overexpressed on leukemic relative to normal thymocytes; (2) we assessed their ability to reject EL4 leukemic cells; and (3) we correlated the properties of our Ags (and their cognate T cells) with their ability to induce protective antileukemic responses. Overall, individual miHAs instigated more potent antileukemic responses than LAAs. Three features had no influence on the ability of primed T cells to reject leukemic cells: (1) MHC-peptide affinity; (2) the stability of MHC-peptide complexes; and (3) epitope density at the surface of leukemic cells, as assessed using mass spectrometry. The cardinal feature of successful Ags is that they were recognized by high-avidity CD8 T cells that proliferated extensively in vivo. Our work suggests that in vitro evaluation of functional avidity represents the best criterion for selection of Ags, which should be prioritized in clinical trials of leukemia immunotherapy.
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Affiliation(s)
- Krystel Vincent
- Institute for Research in Immunology and Cancer, Université de Montréal, Montréal, Quebec, Canada; Department of Medicine, Université de Montréal, Montréal, Quebec, Canada
| | - Marie-Pierre Hardy
- Institute for Research in Immunology and Cancer, Université de Montréal, Montréal, Quebec, Canada; Department of Medicine, Université de Montréal, Montréal, Quebec, Canada
| | - Assya Trofimov
- Institute for Research in Immunology and Cancer, Université de Montréal, Montréal, Quebec, Canada; Department of Medicine, Université de Montréal, Montréal, Quebec, Canada
| | - Céline M Laumont
- Institute for Research in Immunology and Cancer, Université de Montréal, Montréal, Quebec, Canada; Department of Medicine, Université de Montréal, Montréal, Quebec, Canada
| | - Dev Sriranganadane
- Institute for Research in Immunology and Cancer, Université de Montréal, Montréal, Quebec, Canada; Department of Chemistry, Université de Montréal, Montréal, Quebec, Canada
| | - Sarah Hadj-Mimoune
- Institute for Research in Immunology and Cancer, Université de Montréal, Montréal, Quebec, Canada; Department of Medicine, Université de Montréal, Montréal, Quebec, Canada
| | - Insaf Salem Fourati
- Department of Microbiology, Infectiology and Immunology, Université de Montréal, Montréal, Quebec, Canada
| | - Hugo Soudeyns
- Department of Microbiology, Infectiology and Immunology, Université de Montréal, Montréal, Quebec, Canada
| | - Pierre Thibault
- Institute for Research in Immunology and Cancer, Université de Montréal, Montréal, Quebec, Canada; Department of Chemistry, Université de Montréal, Montréal, Quebec, Canada
| | - Claude Perreault
- Institute for Research in Immunology and Cancer, Université de Montréal, Montréal, Quebec, Canada; Department of Medicine, Université de Montréal, Montréal, Quebec, Canada.
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Zhang P, Tey SK, Koyama M, Kuns RD, Olver SD, Lineburg KE, Lor M, Teal BE, Raffelt NC, Raju J, Leveque L, Markey KA, Varelias A, Clouston AD, Lane SW, MacDonald KPA, Hill GR. Induced regulatory T cells promote tolerance when stabilized by rapamycin and IL-2 in vivo. THE JOURNAL OF IMMUNOLOGY 2013; 191:5291-303. [PMID: 24123683 DOI: 10.4049/jimmunol.1301181] [Citation(s) in RCA: 84] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Natural regulatory T cells (nTregs) play an important role in tolerance; however, the small numbers of cells obtainable potentially limit the feasibility of clinical adoptive transfer. Therefore, we studied the feasibility and efficacy of using murine-induced regulatory T cells (iTregs) for the induction of tolerance after bone marrow transplantation. iTregs could be induced in large numbers from conventional donor CD4 and CD8 T cells within 1 wk and were highly suppressive. During graft-versus-host disease (GVHD), CD4 and CD8 iTregs suppressed the proliferation of effector T cells and the production of proinflammatory cytokines. However, unlike nTregs, both iTreg populations lost Foxp3 expression within 3 wk in vivo, reverted to effector T cells, and exacerbated GVHD. The loss of Foxp3 in iTregs followed homeostatic and/or alloantigen-driven proliferation and was unrelated to GVHD. However, the concurrent administration of rapamycin, with or without IL-2/anti-IL-2 Ab complexes, to the transplant recipients significantly improved Foxp3 stability in CD4 iTregs (and, to a lesser extent, CD8 iTregs), such that they remained detectable 12 wk after transfer. Strikingly, CD4, but not CD8, iTregs could then suppress Teff proliferation and proinflammatory cytokine production and prevent GVHD in an equivalent fashion to nTregs. However, at high numbers and when used as GVHD prophylaxis, Tregs potently suppress graft-versus-leukemia effects and so may be most appropriate as a therapeutic modality to treat GVHD. These data demonstrate that CD4 iTregs can be produced rapidly in large, clinically relevant numbers and, when transferred in the presence of systemic rapamycin and IL-2, induce tolerance in transplant recipients.
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Affiliation(s)
- Ping Zhang
- Queensland Institute of Medical Research Berghofer Medical Research Institute, Brisbane, Queensland 4006, Australia
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MacDonald KP, Shlomchik WD, Reddy P. Biology of graft-versus-host responses: recent insights. Biol Blood Marrow Transplant 2013; 19:S10-4. [PMID: 23290438 DOI: 10.1016/j.bbmt.2012.11.005] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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29
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Perreault C. In search of immunodominant minor histocompatibility antigens. Biol Blood Marrow Transplant 2012; 19:171-2. [PMID: 23151493 DOI: 10.1016/j.bbmt.2012.11.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2012] [Accepted: 11/08/2012] [Indexed: 01/13/2023]
Affiliation(s)
- Claude Perreault
- Institute for Research in Immunology and Cancer and Department of Medicine, Université de Montréal, Montreal, Quebec, Canada.
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Distinct Oligoclonal T Cells Are Associated With Graft Versus Host Disease After Stem-Cell Transplantation. Transplantation 2012; 93:949-57. [DOI: 10.1097/tp.0b013e3182497561] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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31
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Anti-thymocyte globulin for conditioning in matched unrelated donor hematopoietic cell transplantation provides comparable outcomes to matched related donor recipients. Bone Marrow Transplant 2012; 47:1513-9. [PMID: 22580767 DOI: 10.1038/bmt.2012.81] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Rabbit anti-thymocyte globulin (ATG) is used as prophylaxis against GVHD following allogeneic hematopoietic cell transplantation (HCT). At our institution, ATG is exclusively used in the conditioning of matched unrelated donor (URD) transplant recipients. A total of 50 URD HCT recipients who received ATG (ATG group) were retrospectively compared with 48 matched related donor (MRD) HCT recipients who did not receive ATG (no ATG group). There were no significant differences between the groups in rates of day 100 mortality, acute GVHD or relapse. Chronic GVHD incidence was significantly lower in the ATG group (P = 0.007). At a median follow-up of 36 months in the entire cohort, 50% patients are alive in the ATG group and 63% of the patients are alive in the no ATG group (P = 0.13). We conclude that the administration of ATG to patients undergoing URD HCT preserves the anti-leukemia benefit of the transplant, while reducing the risk of developing GVHD, resulting in OS rates that are comparable to MRD HCT recipients.
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Cheung KW, Sze DMY, Chan WK, Deng RX, Tu W, Chan GCF. Brazilian green propolis and its constituent, Artepillin C inhibits allogeneic activated human CD4 T cells expansion and activation. JOURNAL OF ETHNOPHARMACOLOGY 2011; 138:463-471. [PMID: 21964192 DOI: 10.1016/j.jep.2011.09.031] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2011] [Revised: 09/07/2011] [Accepted: 09/18/2011] [Indexed: 05/31/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Propolis has long been used as a popular folk medicine by various ethnic groups due to its wide spectrum of alleged biological and pharmaceutical properties including anti-microbial, anti-cancer and anti-inflammatory functions. All these can be linked to the modulation of immune function. Therefore, it will be relevant for us to find out whether there is any novel compound that can account for such action and the mechanism involved. AIM OF THE STUDY We investigated the immune modulating effect of Brazilian green propolis (PBrazil) and its constituent Artepillin C (Art-C) by using mixed leukocytes reaction. MATERIALS AND METHODS The cytotoxic effect of Art-C on non-tumorigenic human liver cell line miHA and non-tumorigenic human kidney cell line HK-2 as well as human peripheral blood mononuclear cells (PBMCs) were measured by XTT cell proliferation assay. The effect of PBrazil and Art-C on T cell proliferation and activation were determined by using carboxyfluorescein succinimidyl ester (CFSE) and by CD25 expression, respectively. Cytokines including tumor necrosis factor-α (TNF-α), interferon-gamma (IFN-γ), interleukins such as IL-2, IL-17 were measured by intracellular cytokine staining and IL-10 was measured by ELISA. The effect of PBrazil and Art-C on regulatory T cells (Treg) induction was determined by the Foxp3 expression. The apoptotic effect of these compounds on CFSE labeled alloreactive T cells was measured by using Annexin V. RESULTS Using mixed leukocytes reaction we demonstrated for the first time that both Art-C and PBrazil significantly inhibited the alloreactive CD4 T cell proliferation, activation, and suppressed the expressions of IL-2, IFN-γ and IL-17 in these alloreactive CD4 T cells. The inhibitions of Art-C and PBrazil on CD4 T cells were not due to direct cytotoxic effect on PBMC or inducing regulatory T cells differentiation. Both Art-C and PBrazil were found to selectively induce apoptosis in proliferating T cells. The anti-proliferative effect of Art-C and PBrazil were reversible and were also applied to the activated T cells. CONCLUSIONS In conclusion, our results indicated that Art-C and PBrazil can suppress alloreactive CD4 T cell responses in vitro, suggesting that Art-C could be used as a potential immunosuppressant, either solely or as adjunct agent in treating graft versus host disease.
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Affiliation(s)
- Ka-Wai Cheung
- Department of Paediatrics & Adolescent Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong
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Distinct graft-versus-leukemic stem cell effects of early or delayed donor leukocyte infusions in a mouse chronic myeloid leukemia model. Blood 2011; 119:273-84. [PMID: 22072555 DOI: 10.1182/blood-2011-01-331009] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Among hematologic neoplasms, chronic myeloid leukemia (CML) is exquisitely sensitive to graft-versus-leukemia (GVL) because patients relapsing after allogeneic hematopoietic stem-cell transplantation (alloHSCT) can be cured by donor leukocyte infusion (DLI); however, the cellular mechanisms and strategies to separate GVL from GVHD are unclear. We used a BCR-ABL1 transduction/transplantation mouse model to study the mechanisms of DLI in MHC-matched, minor histocompatibility antigen-mismatched allogeneic chimeras with CML-like leukemia, in which DLI can be administered at the time of transplantation (early) or after recovery of hematopoiesis (delayed). After early DLI, CML-like leukemia cannot be transferred into immunocompetent secondary recipients as soon as 4 days after primary transplantation, demonstrating that cotransplantation of T lymphocytes blocks the engraftment of BCR-ABL1-transduced stem cells. In contrast, in allogeneic chimeras with established CML-like leukemia, combined treatment with delayed DLI and the kinase inhibitor imatinib eradicates leukemia with minimal GVHD. The GVL effect is directed against minor histocompatibility antigens shared by normal and leukemic stem cells, and is mediated predominantly by CD8+ T cells, with minor contributions from CD5- splenocytes, including natural killer cells. These results define a physiologic model of adoptive immunotherapy of CML that will be useful for investigating the cellular and molecular mechanisms of GVL.
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Mechanisms of antigen presentation to T cells in murine graft-versus-host disease: cross-presentation and the appearance of cross-presentation. Blood 2011; 118:6426-37. [PMID: 21963602 DOI: 10.1182/blood-2011-06-358747] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Recipient antigen-presenting cells (APCs) initiate GVHD by directly presenting host minor histocompatibility antigens (miHAs) to donor CD8 cells. However, later after transplantation, host APCs are replaced by donor APCs, and if pathogenic CD8 cells continue to require APC stimulation, then donor APCs must cross-present host miHAs. Consistent with this, CD8-mediated GVHD is reduced when donor APCs are MHC class I(-). To study cross-presentation, we used hosts that express defined MHC class I K(b)-restricted miHAs, crossed to K(b)-deficient backgrounds, such that these antigens cannot be directly presented. Cross-priming was surprisingly efficient, whether antigen was restricted to the hematopoietic or nonhematopoietic compartments. Cross-primed CD8 cells were cytolytic and produced IFN-γ. CD8 cells were exclusively primed by donor CD11c(+) cells, and optimal cross-priming required that they are stimulated by both type I IFNs and CD40L. In studying which donor APCs acquire host miHAs, we made the surprising discovery that there was a large-scale transfer of transmembrane proteins from irradiated hosts, including MHC class I-peptide complexes, to donor cells, including dendritic cells. Donor dendritic cells that acquired host MHC class I-peptide complexes were potent stimulators of peptide-specific T cells. These studies identify new therapeutic targets for GVHD treatment and a novel mechanism whereby donor APCs prime host-reactive T cells.
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35
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Memory T cells from minor histocompatibility antigen-vaccinated and virus-immune donors improve GVL and immune reconstitution. Blood 2011; 118:5965-76. [PMID: 21917752 DOI: 10.1182/blood-2011-07-367011] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Donor T cells contribute to the success of allogeneic hematopoietic stem cell transplantation (alloSCT). Alloreactive donor T cells attack leukemia cells, mediating the GVL effect. Donor T cells, including the memory T cells (T(M)) that are generated after infection, also promote immune reconstitution. Nonetheless, leukemia relapse and infection are major sources of treatment failure. Efforts to augment GVL and immune reconstitution have been limited by GVHD, the attack by donor T cells on host tissues. One approach to augmenting GVL has been to infuse ex vivo-generated T cells with defined specificities; however, this requires expertise that is not widely available. In the present study, we tested an alternative approach, adoptive immunotherapy with CD8+ T(M) from donors vaccinated against a single minor histocompatibility antigen (miHA) expressed by leukemia cells. Vaccination against the miHA H60 greatly augmented T(M)-mediated GVL against mouse chronic-phase (CP-CML) and blast crisis chronic myeloid leukemia (BC-CML). T(M)-mediated GVL was antigen specific and was optimal when H60 expression was hematopoietically restricted. Even when H60 was ubiquitous, donor H60 vaccination had a minimal impact on GVHD. T(M) from lymphocytic choriomeningitis virus (LCMV)-immune and H60-vaccinated donors augmented GVL and protected recipients from LCMV. These data establish a strategy for augmenting GVL and immune reconstitution without elaborate T-cell manipulation.
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Matte-Martone C, Venkatesan S, Tan HS, Athanasiadis I, Chang J, Pavisic J, Shlomchik WD. Graft-versus-leukemia (GVL) against mouse blast-crisis chronic myelogenous leukemia (BC-CML) and chronic-phase chronic myelogenous leukemia (CP-CML): shared mechanisms of T cell killing, but programmed death ligands render CP-CML and not BC-CML GVL resistant. THE JOURNAL OF IMMUNOLOGY 2011; 187:1653-63. [PMID: 21768400 DOI: 10.4049/jimmunol.1100311] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Graft-versus-leukemia (GVL) against chronic-phase chronic myelogenous leukemia (CP-CML) is potent, but it is less efficacious against acute leukemias and blast-crisis chronic myelogenous leukemia (BC-CML). The mechanisms underlying GVL resistance are unknown. Previously, we found that alloreactive T cell targeting of GVL-sensitive bcr-abl-induced mouse CP-CML (mCP-CML) required TCR-MHC interactions and that multiple and redundant killing mechanisms were in play. To better understand why BC-CML is resistant to GVL, we performed a comprehensive analysis of GVL against mouse BC-CML (mBC-CML) induced by the retroviral transfer of the bcr-abl and NUP98/HOXA9 fusion cDNAs. Like human BC-CML, mBC-CML was GVL resistant, and this was not due to accelerated kinetics or a greater leukemia burden. To study T cell recognition and killing mechanisms, we generated a panel of gene-deficient leukemias by transducing bone marrow from gene-deficient mice. T cell target recognition absolutely required that mBC-CML cells express MHC molecules. GVL against both mCP-CML and mBC-CML required leukemia expression of ICAM-1. We hypothesized that mBC-CML would be resistant to some of the killing mechanisms sufficient to eliminate mCP-CML, but we found instead that the same mechanisms were effective against both types of leukemia, because GVL was similar against wild-type or mBC-CML genetically lacking Fas, TRAIL-R, Fas/TRAIL-R, or TNFR1/R2 or when donor T cells were perforin(-/-). However, mCP-CML, but not mBC-CML, relied on expression of programmed death-1 ligands 1 and 2 (PD-L1/L2) to resist T cell killing, because only GVL against mCP-CML was augmented when leukemias lacked PD-L1/L2. Thus, mBC-CML cells have cell-intrinsic mechanisms, distinct from mCP-CML cells, which protect them from T cell killing.
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Affiliation(s)
- Catherine Matte-Martone
- Department of Medicine, Yale Comprehensive Cancer Center, Yale University School of Medicine, New Haven, CT 06520, USA
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Abstract
Allogeneic hematopoietic cell transplantation led to the discovery of the allogeneic GVL effect, which remains the most convincing evidence that immune cells can cure cancer in humans. However, despite its great paradigmatic and clinical relevance, induction of GVL by conventional allogeneic hematopoietic cell transplantation remains a quite rudimentary form of leukemia immunotherapy. It is toxic and its efficacy is far from optimal. It is therefore sobering that since the discovery of the GVL effect 3 decades ago, the way GVL is induced and manipulated has practically not changed. Preclinical and clinical studies suggest that injection of T cells primed against a single Ag present on neoplastic cells could enhance the GVL effect without causing any GVHD. We therefore contend that Ag-targeted adoptive T-cell immunotherapy represents the future of leukemia immunotherapy, and we discuss the specific strategies that ought to be evaluated to reach this goal. Differences between these strategies hinge on 2 key elements: the nature of the target Ag and the type of Ag receptor expressed on T cells.
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Falkenburg JHF, Warren EH. Graft versus leukemia reactivity after allogeneic stem cell transplantation. Biol Blood Marrow Transplant 2011; 17:S33-8. [PMID: 21195308 DOI: 10.1016/j.bbmt.2010.11.009] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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39
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Klyuchnikov E, Sputtek A, Slesarchuk O, Lioznov M, Stübig T, Bacher U, Amtsfeld G, Merle E, Reckhaus ML, Fehse B, Wolschke C, Adjallé R, Ayuk F, Zander A, Kröger N. Purification of CD4+ T Cells for Adoptive Immunotherapy after Allogeneic Hematopoietic Stem Cell Transplantation. Biol Blood Marrow Transplant 2011; 17:374-83. [DOI: 10.1016/j.bbmt.2010.07.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2010] [Accepted: 07/06/2010] [Indexed: 10/19/2022]
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SMAD3 prevents graft-versus-host disease by restraining Th1 differentiation and granulocyte-mediated tissue damage. Blood 2010; 117:1734-44. [PMID: 21119112 DOI: 10.1182/blood-2010-05-287649] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Gene expression profiling of human donor T cells before allogeneic hematopoietic cell transplantation revealed that expression of selected genes correlated with the occurrence of graft-versus-host disease (GVHD) in recipients. The gene with the best GVHD predictive accuracy was SMAD3, a core component of the transforming growth factor-β signaling pathway, whose expression levels vary more than a 6-fold range in humans. The putative role of SMAD3 in the establishment of graft-host tolerance remained elusive. We report that SMAD3-KO mice present ostensibly normal lymphoid and myeloid cell subsets. However, the lack of SMAD3 dramatically increased the frequency and severity of GVHD after allogeneic hematopoietic cell transplantation into major histocompatibility complex-identical recipients. Lethal GVHD induced by SMAD3-KO donors affected mainly the intestine and resulted from massive tissue infiltration by T-bet(+) CD4 T cells and granulocytes that caused tissue damage by in situ release of Th1 cytokines and oxidative-nitrosative mediators, respectively. Our report reveals the nonredundant roles of SMAD3 in the development of tolerance to the host. Furthermore, our data support the concept that SMAD3 levels in donor cells dictate the risk of GVHD and that SMAD3 agonists would be attractive for prevention of GVHD.
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41
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Tawara I, Shlomchik WD, Jones A, Zou W, Nieves E, Liu C, Toubai T, Duran-Struuck R, Sun Y, Clouthier SG, Evers R, Lowler KP, Levy RB, Reddy P. A crucial role for host APCs in the induction of donor CD4+CD25+ regulatory T cell-mediated suppression of experimental graft-versus-host disease. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2010; 185:3866-72. [PMID: 20810991 PMCID: PMC2981818 DOI: 10.4049/jimmunol.1001625] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Allogeneic bone marrow transplantation is an effective treatment for a number of malignant and nonmalignant diseases (Applebaum. 2001. Nature. 411: 385-389 and Copelan. 2006. N Engl J Med. 354: 1813-1826). However, the application of this therapeutic modality has been impeded by a number of confounding side effects, the most frequent and severe of which is the development of graft-versus-host disease (GVHD) (Copelan. 2006. N Engl J Med. 354: 1813-1826 and Blazar and Murphy. 2005. Philos Trans R Soc Lond B Biol Sci. 360: 1747-1767). Alloreactive donor T cells are critical for causing GVHD (Fowler. 2006. Crit Rev Oncol Hematol. 57: 225-244 and Ferrara and Reddy. 2006. Semin Hematol. 43: 3-10), whereas recent data demonstrated a significant role for the naturally occurring thymic-derived donor CD4(+)CD25(+)Foxp3(+) regulatory T cells (Tregs) (Bluestone and Abbas. 2003. Nat Rev Immunol. 3: 253-257 and Shevach. 2006. Immunity. 25: 195-201) in suppressing experimental GVHD after bone marrow transplantation (Blazar and Taylor. 2005. Biol Blood Marrow Transpl. 11: 46-49 and Joffe and van Meerwijk. 2006. Semin Immunol. 18: 128-135) . Host APCs are required for induction of GVHD by the conventional donor T cells. However, it is not known whether they are also obligatory for donor Treg-mediated suppression of GVHD. Using multiple clinically relevant MHC-matched and -mismatched murine models of GVHD, we investigated the role of host APCs in the suppression of GVHD by donor Tregs. We found that alloantigen expression by the host APCs is necessary and sufficient for induction of GVHD protection by donor Tregs. This requirement was independent of their effect on the maintenance of Treg numbers and the production of IL-10 or IDO by the host APCs.
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Affiliation(s)
- Isao Tawara
- Department of Internal Medicine, University of Michigan Comprehensive Cancer Center, Ann Arbor, MI 48109
| | | | | | - Weiping Zou
- Department of Internal Medicine, University of Michigan Comprehensive Cancer Center, Ann Arbor, MI 48109
| | - Evelyn Nieves
- Department of Internal Medicine, University of Michigan Comprehensive Cancer Center, Ann Arbor, MI 48109
| | - Chen Liu
- University of Florida, Gainesville, FL 32611
| | - Tomomi Toubai
- Department of Internal Medicine, University of Michigan Comprehensive Cancer Center, Ann Arbor, MI 48109
| | - Raimon Duran-Struuck
- Department of Surgery, Massachusetts General Hospital, Harvard University, Boston, MA 02114
| | - Yaping Sun
- Department of Internal Medicine, University of Michigan Comprehensive Cancer Center, Ann Arbor, MI 48109
| | - Shawn G. Clouthier
- Department of Internal Medicine, University of Michigan Comprehensive Cancer Center, Ann Arbor, MI 48109
| | - Rebecca Evers
- Department of Internal Medicine, University of Michigan Comprehensive Cancer Center, Ann Arbor, MI 48109
| | - Kathleen P. Lowler
- Department of Internal Medicine, University of Michigan Comprehensive Cancer Center, Ann Arbor, MI 48109
| | | | - Pavan Reddy
- Department of Internal Medicine, University of Michigan Comprehensive Cancer Center, Ann Arbor, MI 48109
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Mastaglio S, Stanghellini MTL, Bordignon C, Bondanza A, Ciceri F, Bonini C. Progress and prospects: graft-versus-host disease. Gene Ther 2010; 17:1309-17. [PMID: 20508597 DOI: 10.1038/gt.2010.83] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Graft-versus-host disease (GvHD) is one of the major complications of allogeneic hematopoietic stem cell transplantation, an otherwise highly effective therapeutic modality for patients affected by hematological diseases. The main inducers of GvHD are alloreactive donor T cells, which recognize host antigens presented by recipient cells. The critical role of lymphocytes in GvHD is well documented by the observation that T-cell depletion from the graft prevents GvHD. Unfortunately, the removal of donor lymphocytes from the graft increases the incidence of disease relapse and life-threatening infectious complications. Gene transfer technologies are promising tools to manipulate donor T-cell immunity to enforce graft-versus-tumor/graft-versus-infection while preventing or controlling GvHD. For this purpose, several cell and gene transfer approaches have been investigated at the preclinical level and implemented in clinical trials.
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Affiliation(s)
- S Mastaglio
- Hematology and BMT Unit, Department of Oncology, San Raffaele Scientific Institute, Milano, Italy
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Matte-Martone C, Wang X, Anderson B, Jain D, Demetris AJ, McNiff J, Shlomchik MJ, Shlomchik WD. Recipient B cells are not required for graft-versus-host disease induction. Biol Blood Marrow Transplant 2010; 16:1222-30. [PMID: 20338255 DOI: 10.1016/j.bbmt.2010.03.015] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2010] [Accepted: 03/16/2010] [Indexed: 11/15/2022]
Abstract
Recipient antigen presenting cells (APCs) are required for CD8-mediated graft-versus-host disease (GVHD), and have an important and nonredundant role in CD4-mediated GVHD in mouse major histocompatibility complex-matched allogeneic bone marrow transplantation (alloBMT). However, the precise roles of specific recipient APCs-dendritic cells, macrophages, and B cells-are not well defined. If recipient B cells are important APCs they could be depleted with rituximab, an anti-CD20 monoclonal antibody. On the other hand, B cells can downregulate T cell responses, and consequently, B cell depletion could exacerbate GVHD. Patients with B cell lymphomas undergo allogeneic hematopoietic stem cell transplantation (alloSCT) and many are B-cell-deficient because of prior rituximab. We therefore studied the role of recipient B cells in major histocompatibility complex-matched murine models of CD8- and CD4-mediated GVHD by using recipients genetically deficient in B cells and with antibody-mediated depletion of host B cells. In both CD4- and CD8-dependent models, B cell-deficient recipients developed clinical and pathologic GVHD. However, although CD8-mediated GVHD was clinically less severe in hosts genetically deficient in B cells, it was unaffected in anti-CD20-treated recipients. These data indicate that recipient B cells are not important initiators of GVHD, and that efforts to prevent GVHD by APC depletion should focus on other APC subsets.
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Miller JS, Warren EH, van den Brink MRM, Ritz J, Shlomchik WD, Murphy WJ, Barrett AJ, Kolb HJ, Giralt S, Bishop MR, Blazar BR, Falkenburg JHF. NCI First International Workshop on The Biology, Prevention, and Treatment of Relapse After Allogeneic Hematopoietic Stem Cell Transplantation: Report from the Committee on the Biology Underlying Recurrence of Malignant Disease following Allogeneic HSCT: Graft-versus-Tumor/Leukemia Reaction. Biol Blood Marrow Transplant 2010; 16:565-86. [PMID: 20152921 DOI: 10.1016/j.bbmt.2010.02.005] [Citation(s) in RCA: 86] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2010] [Accepted: 02/05/2010] [Indexed: 01/06/2023]
Abstract
The success of allogeneic hematopoietic stem cell transplantation (HSCT) depends on the infusion of benign stem cells as well as lymphocytes capable of participating in a graft-versus-tumor/leukemia (GVL) reaction. Clinical proof of concept is derived from studies showing increased relapse after the infusion of lymphocyte depleted hematopoietic grafts as well as the therapeutic efficacy of donor lymphocyte infusions without chemotherapy to treat relapse in some diseases. Despite this knowledge, relapse after allogeneic HSCT is common with rates approaching 40% in those with high-risk disease. In this review, we cover the basic biology and potential application to exploit adaptive T cell responses, minor histocompatibility antigens, contraction and suppression mechanisms that hinder immune responses, adaptive B cell responses and innate NK cell responses, all orchestrated in a GVL reaction. Optimal strategies to precisely balance immune responses to favor GVL without harmful graft-versus-host disease (GVHD) are needed to protect against relapse, treat persistent disease and improve disease-free survival after HSCT.
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Affiliation(s)
- Jeffrey S Miller
- Blood and Marrow Transplant Program, University of Minnesota, Minneapolis, Minnesota, USA.
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Phase I study of high-stringency CD8 depletion of donor leukocyte infusions after allogeneic hematopoietic stem cell transplantation. Transplantation 2009; 88:1312-8. [PMID: 19996931 DOI: 10.1097/tp.0b013e3181bbf382] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Donor leukocyte infusions (DLI) are given after hematopoietic stem-cell transplantation to eradicate persistent tumor or correct mixed chimerism (MC). The drawback of DLI is the risk of graft-versus-host disease (GVHD). In this phase I study, we examined the potential of highly extensive CD8 depletion of DLI as a means of improving its safety profile. METHODS High-stringency immunomagnetic CD8 depletion of DLI was performed after steady state donor apheresis. Patients with persistent disease or MC received escalated dose CD8-depleted DLI at 3-month intervals starting from 6 months posttransplantation. The starting dose was 1 x 10(6) CD4 cells/kg in recipients of unrelated and 3 x 10(6) CD4 cells/kg in recipients of related donor transplantations. RESULTS Twenty-eight patients received CD8-depleted DLI (n=16 unrelated or mismatched, n=12 human leukocyte antigen-identical sibling). Median CD8 depletion was more than 4 log. The median overall dose of CD4+ cells/kg given was 4 x 10(6) (range 1 x 10(6)-43 x 10(6)). Conversion from MC to full donor chimerism was observed in 8 of 16 evaluable patients, and disease responses occurred in 5 of 11 patients (complete response in four and partial response in one). Five of 28 patients developed severe acute pattern (grade II-IV) GVHD. Two patients died as a result of complications relating to GVHD. CONCLUSIONS Graft-versus-tumor effects can be observed after high-stringency CD8-depleted DLI, although the major toxicity remains GVHD in this high-risk patient group. The safety and efficacy profile of this approach will require testing in a randomized controlled study.
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Differential effects of donor T-cell cytokines on outcome with continuous bortezomib administration after allogeneic bone marrow transplantation. Blood 2008; 112:1522-9. [PMID: 18539902 DOI: 10.1182/blood-2008-03-143461] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Dissociating graft-versus-tumor (GVT) effect from acute graft-versus-host disease (GVHD) still remains a great challenge in allogeneic bone marrow transplantation (allo-BMT). Bortezomib, a proteasome inhibitor, has shown impressive efficacy as a single agent in patients with hematologic malignancies but can result in toxicity when administered late after allogeneic transplantation in murine models of GVHD. In the current study, the effects of T-cell subsets and their associated cytokines on the efficacy of bortezomib in murine allogeneic BMT were investigated. Increased levels of serum tumor necrosis factor-alpha (TNFalpha) and interferon-gamma (IFNgamma) were observed after allo-BMT and continuous bortezomib administration. Bortezomib-induced GVHD-dependent mortality was preventable by depletion of CD4(+) but not CD8(+) T cells from the donor graft. The improved survival correlated with markedly reduced serum TNFalpha but not IFNgamma levels. Transfer of Tnf(-/-) T cells also protected recipients from bortezomib-induced GVHD-dependent toxicity. Importantly, prolonged administration of bortezomib after transplantation of purified CD8(+) T cells resulted in enhanced GVT response, which was dependent on donor CD8(+) T cell-derived IFNgamma. These results indicate that decreased toxicity and increased efficacy of bortezomib in murine allo-BMT can be achieved by removal of CD4(+) T cells from the graft or by inhibiting TNFalpha.
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