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Balasubramaniam M, Mokhtar AMA. Past and present discovery of the BAFF/APRIL system - A bibliometric study from 1999 to 2023. Cell Signal 2024; 120:111201. [PMID: 38714287 DOI: 10.1016/j.cellsig.2024.111201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 04/30/2024] [Accepted: 05/01/2024] [Indexed: 05/09/2024]
Abstract
Cytokines from the Tumour Necrosis Factor (TNF) family are important regulators of both physiological and pathological processes. The discovery of novel TNF ligands and receptors, BAFF and APRIL, have opened up new possibilities for scientists to explore the effect of these cytokines on the human immune system. The role of BAFF/APRIL system in B lymphocytes is particularly important for survival and maintenance of homeostasis. Aberrant expression of the system is associated with various immunological disorders. Hence, this study provides a comprehensive overview of the past and present BAFF/APRIL system research development in a bibliometric perspective. To our best knowledge, this is the first ever bibliometric analysis conducted focusing on the BAFF/APRIL system. A total of 1055 relevant documents were retrieved from WoSCC. Microsoft Excel, VOSviewer, and Biblioshiny of R studio were bibliometric tools used to analyse the scientific literature. From 1999, the annual publications showed an upward trend, with Journal of Immunology being the most productive journal. USA leads the race for BAFF/APRIL system research developments. Pascal Schneider, a senior researcher affiliated with University of Lausanne, Switzerland was recognised as the most productive author and institution in the BAFF/APRIL system research field. The research focus transitioned from focusing on the role of the system in B cell biology, to immunological disorders and finally to development of BAFF/APRIL targeting drugs. Despite several studies elucidating briefly the pathway mechanism of BAFF/APRIL system in B-cell selection, substantial research on the mechanism of action in disease models and T cell activation and development of immunomodulating drugs from natural origins remains largely unexplored. Therefore, future research focusing on these areas are crucial for the deeper understanding of the system in disease manifestations and progression allowing a better treatment management for various immunological disorders.
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Affiliation(s)
- Muggunna Balasubramaniam
- Small G protein Research Group, Bioprocess Technology Division, School of Industrial Technology, Universiti Sains Malaysia, 11800 Gelugor, Penang, Malaysia; Green Biopolymer Coating and Packaging Centre, School of Industrial Technology, Universiti Sains Malaysia, 11800 Gelugor, Penang, Malaysia
| | - Ana Masara Ahmad Mokhtar
- Small G protein Research Group, Bioprocess Technology Division, School of Industrial Technology, Universiti Sains Malaysia, 11800 Gelugor, Penang, Malaysia; Green Biopolymer Coating and Packaging Centre, School of Industrial Technology, Universiti Sains Malaysia, 11800 Gelugor, Penang, Malaysia.
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Heeger PS, Haro MC, Jordan S. Translating B cell immunology to the treatment of antibody-mediated allograft rejection. Nat Rev Nephrol 2024; 20:218-232. [PMID: 38168662 DOI: 10.1038/s41581-023-00791-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/10/2023] [Indexed: 01/05/2024]
Abstract
Antibody-mediated rejection (AMR), including chronic AMR (cAMR), causes ~50% of kidney allograft losses each year. Despite attempts to develop well-tolerated and effective therapeutics for the management of AMR, to date, none has obtained FDA approval, thereby highlighting an urgent unmet medical need. Discoveries over the past decade from basic, translational and clinical studies of transplant recipients have provided a foundation for developing novel therapeutic approaches to preventing and treating AMR and cAMR. These interventions are aimed at reducing donor-specific antibody levels, decreasing graft injury and fibrosis, and preserving kidney function. Innovative approaches emerging from basic science findings include targeting interactions between alloreactive T cells and B cells, and depleting alloreactive memory B cells, as well as donor-specific antibody-producing plasmablasts and plasma cells. Therapies aimed at reducing the cytotoxic antibody effector functions mediated by natural killer cells and the complement system, and their associated pro-inflammatory cytokines, are also undergoing evaluation. The complexity of the pathogenesis of AMR and cAMR suggest that multiple approaches will probably be required to treat these disease processes effectively. Definitive answers await results from large, double-blind, multicentre, randomized controlled clinical trials.
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Affiliation(s)
- Peter S Heeger
- Comprehensive Transplant Center, Department of Medicine, Division of Nephrology Cedars-Sinai Medical Center Los Angeles, Los Angeles, CA, USA
| | - Maria Carrera Haro
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, Mount Sinai, NY, USA
| | - Stanley Jordan
- Comprehensive Transplant Center, Department of Medicine, Division of Nephrology Cedars-Sinai Medical Center Los Angeles, Los Angeles, CA, USA.
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Liao T, Shi X, Han F, Wang Y, Zeng W, Liu R, Yan Z, Xia R, Huang Z, Xu J, Miao Y. Blockade of BLyS inhibits B-cell responses and antibody production for the prevention of chronic transplant rejection. J Heart Lung Transplant 2024; 43:652-662. [PMID: 38070662 DOI: 10.1016/j.healun.2023.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Revised: 11/11/2023] [Accepted: 12/02/2023] [Indexed: 12/22/2023] Open
Abstract
BACKGROUND Chronic rejection, closely related to the activation of B cells and donor-specific antibody (DSA) production, has unsatisfactory therapeutic outcomes. B lymphocyte stimulator (BLyS) is a major regulatory factor that controls the activation and differentiation of B cells. However, it remains unclear whether BLyS blockade can regulate B and plasma cells in the transplantation setting and affect chronic rejection. Here, we investigated the efficacy of the BLyS inhibitors belimumab and telitacicept in controlling B-cell response and preventing chronic rejection. METHODS The effects of belimumab and telitacicept on B-cell activation, differentiation, and antibody production in vitro were determined. A chronic rejection model in mouse was established by allogeneic cardiac transplantation with CTLA4-Ig treatment. Allograft survival, histology, DSA levels, and B-cell responses were analyzed to evaluate the chronic rejection-preventive effects of belimumab and telitacicept. RESULTS In vitro experiments confirmed that belimumab and telitacicept inhibited B-cell activation and differentiation and reduced antibody production. In vivo experiments indicated that they significantly prolonged allograft survival, attenuated chronic rejection through significant suppression of myocardial ischemic necrosis and interstitial fibrosis, and reduced DSA-IgG levels, C4d deposition, and inflammatory cell infiltration. Furthermore, the frequencies of B cells, plasma cells, and IgG-producing cells in the recipients' spleen, lymph nodes, bone marrow, and blood were decreased after BLyS inhibitors treatment. CONCLUSIONS This study demonstrated that belimumab and telitacicept inhibit B-cell responses and antibody production and alleviate chronic transplant rejection. Therefore, BLyS inhibitors are expected to be used for the prevention of chronic rejection in clinical practice.
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Affiliation(s)
- Tao Liao
- Department of Transplantation, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Xiaoyi Shi
- Department of Transplantation, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Fei Han
- Research Institute of Organ Transplantation, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Yuchen Wang
- Department of Transplantation, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Wenli Zeng
- Department of Transplantation, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Rumin Liu
- Department of Transplantation, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Ziyan Yan
- Department of Transplantation, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Renfei Xia
- Department of Transplantation, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Zhengyu Huang
- Research Institute of Organ Transplantation, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Jian Xu
- Department of Transplantation, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Yun Miao
- Department of Transplantation, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
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Puliyanda DP, Jordan SC. Management of the sensitized pediatric renal transplant candidate. Pediatr Transplant 2024; 28:e14694. [PMID: 38400645 DOI: 10.1111/petr.14694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 12/14/2023] [Accepted: 01/05/2024] [Indexed: 02/25/2024]
Abstract
Kidney transplantation is the treatment of choice for patients with ESRD as it is associated with improved patient survival and better quality of life, especially in children. There are several barriers to a successful transplant including organ shortage, anatomic barriers, and immunologic barriers. One of the biggest immunologic barriers that precludes transplantation is sensitization, when patients have antibodies prior to transplantation, resulting in positive crossmatches with donor. 30%-40% of adult patients on the wait list are sensitized. There is a growing number of pediatric patients on the wait list who are sensitized. This poses a unique challenge to the pediatric transplant community. Therefore, attempts to perform desensitization to remove or suppress pathogenic HLA antibodies resulting in acceptable crossmatches, and ultimately a successful transplant, while reducing the risk of acute rejection, are much needed in these children. This review article aims to address the management of such patients both prior to transplantation, with strategies to overcome sensitization, and after transplantation with monitoring for allograft rejection and other complications.
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Affiliation(s)
- Dechu P Puliyanda
- Department of Pediatrics, Comprehensive Transplant Center, Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - Stanley C Jordan
- Department of Pediatrics, Comprehensive Transplant Center, Cedars-Sinai Medical Center, Los Angeles, California, USA
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Agarwal D, Liu C, Bhoj V, Kearns J, Bharani T, Choe I, Vivek K, O'Connor DH, Wiseman RW, Duquesnoy RJ, Naji A, Kamoun M. Adaptation of HLA testing to characterize the cynomolgus macaque MHC polymorphisms and alloantibody signatures. HLA 2024; 103:e15239. [PMID: 37784210 DOI: 10.1111/tan.15239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 08/12/2023] [Accepted: 09/19/2023] [Indexed: 10/04/2023]
Abstract
Nonhuman primates are the closest animal models to humans with respect to genetics and physiology. Consequently, a critical component of immunogenetics research relies on drawing inferences from the cynomolgus macaque to inform human trials. Despite the conserved organization of the Major Histocompatibility Complex (MHC) between cynomolgus macaques and humans, MHC genotyping of cynomolgus macaques is challenging due to high rates of copy number variants, duplications, and rearrangements, particularly at the MHC class I loci. Furthermore, the limited availability of commercial reagents specific to cynomolgus macaques that can be used to characterize anti-MHC class I and class II antibody (Ab) specificities in cynomolgus macaques presents a major bottleneck in translational research. Here we successfully characterized cynomolgus macaque Mafa class I and class II serologic specificities in 86 animals originating from various geographical regions using the complement dependent cytotoxicity (CDC) assay with human HLA class I and class II monoclonal antibody (mAb) typing trays. Further, we successfully induced and characterized anti-Mafa class I and class II alloantibody specificity using HLA single antigen bead assays. We also subsequently tracked the alloAb burden in the animals during treatment with anti-B lymphocyte stimulator (BLyS) treatment. Altogether, these methods can be easily used in translational research to serotype MHC class I and class II specificity in macaques, characterize their alloAb specificity, and evaluate the efficacy of novel therapeutic modalities in depleting circulating alloAbs in these animals.
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Affiliation(s)
- Divyansh Agarwal
- Department of Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Chengyang Liu
- Division of Transplantation, Department of Surgery, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Vijay Bhoj
- Center for Cellular Immunotherapies and the Parker Institute for Cancer Immunotherapy, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Jane Kearns
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Tina Bharani
- Thomas Jefferson University Hospitals, Sidney Kimmel Medical College, Philadelphia, Pennsylvania, USA
| | - Insuk Choe
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Kumar Vivek
- Department of Anesthesiology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York, USA
| | - David H O'Connor
- Department of Pathology and Laboratory Medicine, University of Wisconsin-Madison, Madison, Wisconsin, USA
- Wisconsin National Primate Research Center, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Roger W Wiseman
- Department of Pathology and Laboratory Medicine, University of Wisconsin-Madison, Madison, Wisconsin, USA
- Wisconsin National Primate Research Center, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - René J Duquesnoy
- University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Ali Naji
- Division of Transplantation, Department of Surgery, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Malek Kamoun
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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Abstract
Access to kidney transplantation is limited by HLA-specific sensitization. Desensitization strategies enable crossmatch-positive kidney transplantation. In this review, we describe clinical experience gained over the last 20 y using desensitization strategies before kidney transplantation and describe the different tools used (both drugs and apheresis options), including IVIg, rituximab, apheresis techniques, interleukin-6 interference, proteasome inhibition, enzymatic degradation of HLA antibodies, complement inhibition, and B cytokine interference. Although access to transplantation for highly sensitized kidney transplantation candidates has been vastly improved by desensitization strategies, it remains, however, limited by the recurrence of HLA antibodies after transplantation and the occurrence of antibody-mediated rejection.
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van Vugt LK, Schagen MR, de Weerd A, Reinders ME, de Winter BC, Hesselink DA. Investigational drugs for the treatment of kidney transplant rejection. Expert Opin Investig Drugs 2022; 31:1087-1100. [PMID: 36175360 DOI: 10.1080/13543784.2022.2130751] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Kidney transplant rejection remains an important clinical problem despite the development of effective immunosuppressive drug combination therapy. Two major types of rejection are recognized, namely T-cell-mediated rejection (TCMR) and antibody-mediated rejection (ABMR), which have a different pathophysiology and are treated differently. Unfortunately, long-term outcomes of both TCMR and ABMR remain unsatisfactory despite current therapy. Hence, alternative therapeutic drugs are urgently needed. AREAS COVERED This review covers novel and investigational drugs for the pharmacological treatment of kidney transplant rejection. Potential therapeutic strategies and future directions are discussed. EXPERT OPINION The development of alternative pharmacologic treatment of rejection has focused mostly on ABMR, since this is the leading cause of kidney allograft loss and currently lacks an effective, evidence-based therapy. At present, there is insufficient high-quality evidence for any of the covered investigational drugs to support their use in ABMR. However, with the emergence of targeted therapies, this potential arises for individualized treatment strategies. In order to generate more high-quality evidence for such strategies and overcome the obstacles of classic, randomized, controlled trials, we advocate the implementation of adaptive trial designs and surrogate clinical endpoints. We believe such adaptive trial designs could help to understand the risks and benefits of promising drugs such as tocilizumab, clazakizumab, belimumab, and imlifidase.
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Affiliation(s)
- Lukas K van Vugt
- Erasmus MC Transplant Institute, Rotterdam, the Netherlands.,Department of Internal Medicine, Division of Nephrology and Transplantation, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Maaike R Schagen
- Erasmus MC Transplant Institute, Rotterdam, the Netherlands.,Department of Internal Medicine, Division of Nephrology and Transplantation, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Annelies de Weerd
- Erasmus MC Transplant Institute, Rotterdam, the Netherlands.,Department of Internal Medicine, Division of Nephrology and Transplantation, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Marlies Ej Reinders
- Erasmus MC Transplant Institute, Rotterdam, the Netherlands.,Department of Internal Medicine, Division of Nephrology and Transplantation, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Brenda Cm de Winter
- Department of Hospital Pharmacy, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Dennis A Hesselink
- Erasmus MC Transplant Institute, Rotterdam, the Netherlands.,Department of Internal Medicine, Division of Nephrology and Transplantation, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
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