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Matsuda Y, Hiramitsu T, Li XK, Watanabe T. Characteristics of Immunoglobulin M Type Antibodies of Different Origins from the Immunologic and Clinical Viewpoints and Their Application in Controlling Antibody-Mediated Allograft Rejection. Pathogens 2020; 10:pathogens10010004. [PMID: 33374617 PMCID: PMC7822424 DOI: 10.3390/pathogens10010004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 12/19/2020] [Accepted: 12/20/2020] [Indexed: 12/25/2022] Open
Abstract
Antibody-mediated allograft rejection (AMR) hinders patient prognosis after organ transplantation. Current studies concerning AMR have mainly focused on the diagnostic value of immunoglobulin G (IgG)-type donor-specific antihuman leukocyte antigen antibodies (DSAs), primarily because of their antigen specificity, whereas the clinical significance of immunoglobulin M (IgM)-type DSAs has not been thoroughly investigated in the context of organ transplantation because of their nonspecificity against antigens. Although consensus regarding the clinical significance and role of IgM antibodies is not clear, as discussed in this review, recent findings strongly suggest that they also have a huge potential in novel diagnostic as well as therapeutic application for the prevention of AMR. Most serum IgM antibodies are known to comprise natural antibodies with low affinity toward antigens, and this is derived from B-1 cells (innate B cells). However, some of the serum IgM-type antibodies reportedly also produced by B-2 cells (conventional B cells). The latter are known to have a high affinity for donor-specific antigens. In this review, we initially discuss how IgM-type antibodies of different origins participate in the pathology of various diseases, directly or through cell surface receptors, complement activation, or cytokine production. Then, we discuss the clinical applicability of B-1 and B-2 cell-derived IgM-type antibodies for controlling AMR with reference to the involvement of IgM antibodies in various pathological conditions.
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Affiliation(s)
- Yoshiko Matsuda
- Division of Transplant Immunology, National Research Institute for Child Health and Development, Tokyo 157-8535, Japan;
- Department of Advanced Technology for Transplantation, Osaka University Graduate School of Medicine, Osaka 565-0871, Japan
- Correspondence:
| | - Takahisa Hiramitsu
- Department of Transplant and Endocrine Surgery, Nagoya Daini Red Cross-Hospital, Aichi 466-8650, Japan;
| | - Xiao-kang Li
- Division of Transplant Immunology, National Research Institute for Child Health and Development, Tokyo 157-8535, Japan;
| | - Takeshi Watanabe
- Laboratory of Immunology, Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto 606-8507, Japan;
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Preemptive CD20+ B cell Depletion Attenuates Cardiac Allograft Vasculopathy in CD154-Treated Monkeys. Transplantation 2016; 101:63-73. [PMID: 27362307 DOI: 10.1097/tp.0000000000001258] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
BACKGROUND Anti-CD154 monotherapy is associated with antidonor allo-antibody (Ab) elaboration, cardiac allograft vasculopathy (CAV), and allograft failure in preclinical primate cell and organ transplant models. In the context of calcineurin inhibitors (CNI), these pathogenic phenomena are delayed by preemptive "induction" B cell depletion. METHODS αCD154 (IDEC-131)-treated cynomolgus monkey heart allograft recipients were given peritransplant rituximab (αCD20) alone or with rabbit antihuman thymocyte globulin. RESULTS Relative to previously reported reference groups, αCD20 significantly prolonged survival, delayed Ab detection, and attenuated CAV within 3 months in αCD154-treated recipients (αCD154 + αCD20 graft median survival time > 90 days, n = 7, vs 28 days for αCD154 alone (IDEC-131), n = 21; P = 0.05). Addition of rabbit antihuman thymocyte globulin to αCD154 (n = 6) or αCD154 + αCD20 (n = 10) improved graft protection from graft rejection and failure during treatment but was associated with significant morbidity in 8 of 16 recipients (6 infections, 2 drug-related complications). In αCD20-treated animals, detection of antidonor Ab and relatively severe CAV were anticipated by appearance of CD20 cells (>1% of lymphocytes) in peripheral blood and were associated with low αCD154 trough levels (below 100 μg/mL). CONCLUSIONS These observations support the hypothesis that efficient preemptive "induction" CD20 B cell depletion consistently modulates pathogenic alloimmunity and attenuates CAV in this translational model, extending our prior findings with calcineurin inhibitors to the context of CD154 blockade.
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Kim Y, Chung BH, Yang CW. Current Issues in ABO-Incompatible Kidney Transplantation. KOREAN JOURNAL OF TRANSPLANTATION 2014. [DOI: 10.4285/jkstn.2014.28.1.5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Affiliation(s)
- Yaeni Kim
- Department of Internal Medicine, The Catholic University of Korea, College of Medicine, Seoul, Korea
| | - Byung Ha Chung
- Department of Internal Medicine, The Catholic University of Korea, College of Medicine, Seoul, Korea
| | - Chul Woo Yang
- Department of Internal Medicine, The Catholic University of Korea, College of Medicine, Seoul, Korea
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ABO Incompatible Kidney Transplantation-Current Status and Uncertainties. J Transplant 2011; 2011:970421. [PMID: 22174989 PMCID: PMC3235893 DOI: 10.1155/2011/970421] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2011] [Accepted: 10/23/2011] [Indexed: 12/17/2022] Open
Abstract
In the past, ABO blood group incompatibility was considered an absolute contraindication for kidney transplantation. Progress in defined desensitization practice and immunologic understanding has allowed increasingly successful ABO incompatible transplantation during recent years. This paper focused on the history, disserted outcomes, desensitization modalities and protocols, posttransplant immunologic surveillance, and antibody-mediated rejection in transplantation with an ABO incompatible kidney allograft. The mechanism underlying accommodation and antibody-mediated injury was also described.
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Parsons RF, Vivek K, Rostami SY, Zekavat G, Ziaie SM, Luo Y, Koeberlein B, Redfield RR, Cancro MP, Naji A, Noorchashm H. Acquisition of humoral transplantation tolerance upon de novo emergence of B lymphocytes. THE JOURNAL OF IMMUNOLOGY 2010; 186:614-20. [PMID: 21084661 DOI: 10.4049/jimmunol.1002873] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A major obstacle to transplantation tolerance is humoral immunity. In this paper, we demonstrate that the intrinsic developmental propensity of the B lymphocyte compartment for acquisition of self-tolerance can be harnessed to induce humoral unresponsiveness to transplanted alloantigens. In the current study, when transitional B cells developed in the presence of donor lymphoid cells, the mature B lymphocyte compartment failed to mount a donor-specific alloantibody response to an organ transplant--despite unrestrained acute T cell-mediated allograft rejection. Specifically, we generated an experimental system wherein a B6 strain B cell compartment developed de novo in the presence of F1 (B6xBALB/c) lymphoid cells and in a T cell-deficient setting. Following establishment of a steady-state B cell compartment, these B6 mice were transplanted with heterotopic cardiac allografts from allogeneic BALB/c donors. The mice were then inoculated with purified syngeneic B6 T cells. As expected, all cardiac allografts were acutely rejected. However, the B lymphocyte compartment of these mice was completely inert in its capacity to form a BALB/c-specific alloantibody response. Using an alloantigen-specific Ig transgenic system, we demonstrated that this profound degree of humoral tolerance was caused by clonal deletion of alloreactive specificities from the primary B cell repertoire. Thus, de novo B cell compartment development at the time of transplantation is of critical importance in recipient repertoire "remodeling" to a humoral tolerant state.
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Affiliation(s)
- Ronald F Parsons
- Harrison Department of Surgical Research, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
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Parsons RF, Vivek K, Redfield RR, Migone TS, Cancro MP, Naji A, Noorchashm H. B-lymphocyte homeostasis and BLyS-directed immunotherapy in transplantation. Transplant Rev (Orlando) 2010; 24:207-21. [PMID: 20655723 DOI: 10.1016/j.trre.2010.05.004] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2010] [Revised: 04/15/2010] [Accepted: 05/28/2010] [Indexed: 01/18/2023]
Abstract
Current strategies for immunotherapy after transplantation are primarily T-lymphocyte directed and effectively abrogate acute rejection. However, the reality of chronic allograft rejection attests to the fact that transplantation tolerance remains an elusive goal. Donor-specific antibodies are considered the primary cause of chronic rejection. When naive, alloreactive B-cells encounter alloantigen and are activated, a resilient "sensitized" state, characterized by the presence of high-affinity antibody, is established. Here, we will delineate findings that support transient B-lymphocyte depletion therapy at the time of transplantation to preempt sensitization by eliminating alloreactive specificities from the recipient B-cell pool (ie, "repertoire remodeling"). Recent advances in our understanding of B-lymphocyte homeostasis provide novel targets for immunomodulation in transplantation. Specifically, the tumor necrosis factor-related cytokine BLyS is the dominant survival factor for "tolerance-susceptible" transitional and "preimmune" mature follicular B-cells. The transitional phenotype is the intermediate through which all newly formed B-cells pass before maturing into the follicular subset, which is responsible for mounting an alloantigen-specific antibody response. Systemic BLyS levels dictate the stringency of negative selection during peripheral B-cell repertoire development. Thus, targeting BLyS will likely provide an opportunity for repertoire-directed therapy to eliminate alloreactive B-cell specificities in transplant recipients, a requirement for the achievement of humoral tolerance and prevention of chronic rejection. In this review, the fundamentals of preimmune B-cell selection, homeostasis, and activation will be described. Furthermore, new and current B-lymphocyte-directed therapy for antibody-mediated rejection and the highly sensitized state will be discussed. Overall, our objective is to propose a rational approach for induction of humoral transplantation tolerance by remodeling the primary B-cell repertoire of the allograft recipient.
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Affiliation(s)
- Ronald F Parsons
- Harrison Department of Surgical Research, University of Pennsylvania School of Medicine, Philadelphia, PA, USA
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Kelishadi SS, Azimzadeh AM, Zhang T, Stoddard T, Welty E, Avon C, Higuchi M, Laaris A, Cheng XF, McMahon C, Pierson RN. Preemptive CD20+ B cell depletion attenuates cardiac allograft vasculopathy in cyclosporine-treated monkeys. J Clin Invest 2010; 120:1275-84. [PMID: 20335656 DOI: 10.1172/jci41861] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2009] [Accepted: 01/20/2010] [Indexed: 01/10/2023] Open
Abstract
Chronic rejection currently limits the long-term efficacy of clinical transplantation. Although B cells have recently been shown to play a pivotal role in the induction of alloimmunity and are being targeted in other transplant contexts, the efficacy of preemptive B cell depletion to modulate alloimmunity or attenuate cardiac allograft vasculopathy (CAV) (classic chronic rejection lesions found in transplanted hearts) in a translational model has not previously been described. We report here that the CD20-specific antibody (alphaCD20) rituximab depleted CD20+ B cells in peripheral blood, secondary lymphoid organs, and the graft in cynomolgus monkey recipients of heterotopic cardiac allografts. Furthermore, CD20+ B cell depletion therapy combined with the calcineurin inhibitor cyclosporine A (CsA) prolonged median primary graft survival relative to treatment with alphaCD20 or CsA alone. In animals treated with both alphaCD20 and CsA that achieved efficient B cell depletion, alloantibody production was substantially inhibited and the CAV severity score was markedly reduced. We conclude therefore that efficient preemptive depletion of CD20+ B cells is effective in a preclinical model to modulate pathogenic alloimmunity and to attenuate chronic rejection when used in conjunction with a conventional clinical immunosuppressant. This study suggests that use of this treatment combination may improve the efficacy of transplantation in the clinic.
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Affiliation(s)
- Shahrooz S Kelishadi
- Department of Surgery, University of Maryland School of Medicine, Baltimore, MD 21201, USA
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Upregulation of CD59: potential mechanism of accommodation in a large animal model. Transplantation 2009; 87:1308-17. [PMID: 19424030 DOI: 10.1097/tp.0b013e3181a19afc] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
BACKGROUND Survival of ABO-mismatched kidneys with stable renal function despite the persistence of anti-ABO antibodies is called accommodation. The mechanism of accommodation is unclear, but may involve complement regulatory proteins such as CD59. The development of alpha-1,3-galactosyltransferase knock-out (GalT-KO) swine that produce anti-Gal antibodies provides a large animal model capable of determining the role of complement regulatory proteins in accommodation. METHODS ELISA and antibody fluorescence-activated cell sorting were used to examine the rate of anti-Gal antibody expression as a function of age. Major histocompatibility complex-matched kidneys were transplanted from Gal-positive MGH miniature swine to MGH GalT-KO swine with systemic immunosuppression. One recipient underwent adsorbtion of anti-Gal antibodies before transplantation. Graft survival, antibody, and complement deposition patterns and CD59 expression were determined. RESULTS Three animals rejected Gal-positive kidneys by humoral mechanisms. One animal with low titers of anti-Gal antibody displayed spontaneous accommodation and the animal that was treated with antibody adsorbtion also displayed accommodation. Rejected grafts had deposition of IgM, IgG, C3, and C5b-9 with low expression of CD59, whereas accommodated grafts had low deposition of C5b-9 and high expression of CD59. Retransplantation of one accommodated graft to a naïve GalT-KO animal confirmed that changes in the graft were responsible for the lack of C5b-9 deposition. CONCLUSION GalT-KO miniature swine produce anti-Gal antibodies and titers increase with age. These anti-Gal antibodies can cause rejection of major histocompatibility complex-matched kidneys unless accommodation occurs. CD59 up-regulation seems to be involved in the mechanism of accommodation by preventing the formation of the membrane attack complex (MAC) on the accommodated graft.
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Abstract
PURPOSE OF REVIEW We review recent insights into the mechanisms and prevalence of accommodation. Accommodation refers to an acquired resistance of an organ graft to humoral injury and rejection. RECENT FINDINGS Accommodation has been postulated to reflect changes in antibodies, control of complement and/or acquired resistance to injury by antibodies, complement or other factors. We discuss the importance of these mechanisms, highlighting new conclusions. SUMMARY Accommodation may be a common, perhaps the most common, outcome of organ transplantation and, in some systems, a predictable outcome of organ xenotransplantation. Further understanding of how accommodation is induced and by what mechanisms it is manifest and maintained could have a profound impact on transplantation in general and perhaps on other fields.
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Affiliation(s)
- Raymond J Lynch
- Department of Surgery, University of Michigan, Ann Arbor, Michigan, USA
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Abstract
Organ transplants between genetically different individuals elicit powerful immune responses that invariably cause rejection in the absence of immune suppression. Among the immune responses elicited by organ allografts, B-cell responses causing antibody-mediated rejection are one of the most vexing. However, recent advances in the field indicate that B cells and antibodies' contribution to immunity extends well beyond the traditional functions ascribed to antibodies. Here we review "non-humoral" functions of B cells and the implications of these functions to transplantation.
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Affiliation(s)
- Samuel J. Balin
- Transplantation Biology Program, Mayo Clinic College of Medicine, Rochester, MN 55905
| | - Jeffrey L. Platt
- Transplantation Biology Program, Mayo Clinic College of Medicine, Rochester, MN 55905,Department of Surgery, Mayo Clinic College of Medicine, Rochester, MN 55905,Department of Immunology, Mayo Clinic College of Medicine, Rochester, MN 55905,Department of Pediatrics, Mayo Clinic College of Medicine, Rochester, MN 55905
| | - Marilia Cascalho
- Transplantation Biology Program, Mayo Clinic College of Medicine, Rochester, MN 55905,Department of Immunology, Mayo Clinic College of Medicine, Rochester, MN 55905,Department of Pediatrics, Mayo Clinic College of Medicine, Rochester, MN 55905
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Smith RN, Kawai T, Boskovic S, Nadazdin O, Sachs DH, Cosimi AB, Colvin RB. Four stages and lack of stable accommodation in chronic alloantibody-mediated renal allograft rejection in Cynomolgus monkeys. Am J Transplant 2008; 8:1662-72. [PMID: 18557724 PMCID: PMC2796366 DOI: 10.1111/j.1600-6143.2008.02303.x] [Citation(s) in RCA: 89] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The etiology of immunologically mediated chronic renal allograft failure is unclear. One cause is thought to be alloantibodies. Previously in Cynomolgus monkeys, we observed a relationship among donor-specific alloantibodies (DSA), C4d staining, allograft glomerulopathy, allograft arteriopathy and progressive renal failure. To define the natural history of chronic antibody-mediated rejection and its effect on renal allograft survival, we now extend this report to include 417 specimens from 143 Cynomolgus monkeys with renal allografts. A subset of animals with long-term renal allografts made DSA (48%), were C4d positive (29%), developed transplant glomerulopathy (TG) (22%) and chronic allograft arteriopathy (CAA) (19%). These four features were highly correlated and associated with statistically significant shortened allograft survival. Acute cellular rejection, either Banff type 1 or 2, did not correlate with alloantibodies, C4d deposition or TG. However, endarteritis (Banff type 2) correlated with later CAA. Sequential analysis identified four progressive stages of chronic antibody-mediated rejection: (1) DSA, (2) deposition of C4d, (3) TG and (4) rising creatinine/renal failure. These new findings provide strong evidence that chronic antibody-mediated rejection develops without enduring stable accommodation, progresses through four defined clinical pathological stages and shortens renal allograft survival.
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