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Engen RM, Bartosh SM, Smith JM, Perkins JD, Harshman LA. Risk for graft loss in pediatric and young adult kidney transplant recipients due to recurrent IgA nephropathy. Am J Transplant 2024; 24:37-45. [PMID: 37595842 DOI: 10.1016/j.ajt.2023.08.007] [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: 04/25/2023] [Revised: 07/29/2023] [Accepted: 08/10/2023] [Indexed: 08/20/2023]
Abstract
IgA nephropathy (IgAN) is associated with a risk for posttransplant recurrence. Data are limited regarding graft loss attributable to recurrence of IgAN among pediatric and young adult kidney transplant (KT) recipients. This was a retrospective cohort study of patients aged 0 to 25 years from the Scientific Registry of Transplant Recipients who received a primary KT for IgAN. Patients with history of KT attributable to renal dysplasia were comparators. Outcomes included the incidence of graft loss attributable to IgAN recurrence, association with donor type, and posttransplant corticosteroid use. In total, 5475 transplant recipients were included, with 1915 patients with IgAN and 3560 patients with renal dysplasia. In a multivariable Cox proportional hazards model, IgAN was associated with higher risk of graft loss (adjusted hazard ratio [aHR], 1.35; 95% CI, 1.21-1.50; P < .001) compared with dysplasia. Graft loss was attributed to recurrent disease in 5.4% of patients with IgAN. In a multivariable competing risks analysis, patients with IgAN receiving a parental living-donor kidney were more likely to report graft loss from recurrent disease compared with patients with a nonparental living donor (aHR, 0.52; 95% CI, 0.31-0.91; P = .02). Posttransplant prednisone use was not associated with improved graft survival (P = .2). These data challenge existing paradigms in posttransplant management of patients with IgAN.
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Affiliation(s)
- Rachel M Engen
- University of Wisconsin Madison, Madison, Wisconsin, USA.
| | | | - Jodi M Smith
- University of Washington, Seattle, Washington DC, USA
| | - James D Perkins
- Clinical and Bio-Analytics Transplant Laboratory (CBATL), Division of Transplant Surgery, Department of Surgery, University of Washington, Seattle, Washington DC, USA
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2
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Li Y, Tang Y, Lin T, Song T. Risk factors and outcomes of IgA nephropathy recurrence after kidney transplantation: a systematic review and meta-analysis. Front Immunol 2023; 14:1277017. [PMID: 38090563 PMCID: PMC10713786 DOI: 10.3389/fimmu.2023.1277017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Accepted: 11/09/2023] [Indexed: 12/18/2023] Open
Abstract
Background IgA nephropathy may recur in patients receiving kidney transplantation due to IgA nephropathy induced renal failure. The risk factors for recurrence are still at issue. The aim of this study was to conduct a systematic review and meta-analysis to assess risk factors and outcomes for IgA nephropathy recurrence. Methods We used PubMed, EMBASE, Cochrane Library, Web of Science, Scopus, CNKI, WanFang, VIP and CBM to search for relevant studies published in English and Chinese. Cohort or case-control studies reporting risk factors or outcomes for IgA nephropathy recurrence were included. Results Fifty-eight studies were included. Compare to no recurrence group, those with IgAN recurrence had younger age (mean difference [MD]=-4.27 years; risk ratio [RR]=0.96), younger donor age (MD=-2.19 years), shorter time from IgA nephropathy diagnosis to end stage renal disease (MD=-1.84 years; RR=0.94), shorter time on dialysis (MD=-3.14 months), lower human leukocyte-antigen (HLA) mismatches (MD=-0.11) and HLA-DR mismatches (MD=-0.13). HLA-B46 antigen (RR=0.39), anti-IL-2-R antibodies induction (RR=0.68), mycophenolate mofetil (RR=0.69), and pretransplant tonsillectomy (RR=0.43) were associated with less IgAN recurrence. Of note, male recipient gender (RR=1.17), related donor (RR=1.53), retransplantation (RR=1.43), hemodialysis (RR=1.68), no induction therapy (RR=1.73), mTOR inhibitor (RR=1.51), angiotensin-converting enzyme inhibitors or angiotensin-receptor blockers (RR=1.63) were risk factors for IgAN recurrence. Recurrence increased the risk of graft loss (RR=2.19). Conclusions This study summarized the risk factors for recurrence of IgA nephropathy after kidney transplantation. Well-designed prospective studies are warranted for validation. Systematic Review Registration https://www.crd.york.ac.uk/PROSPERO/display_record.php?RecordID=377480, identifier CRD42022377480.
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Affiliation(s)
- Yue Li
- Department of Urology, West China Hospital, Sichuan University, Chengdu, China
- Transplant Center, West China Hospital, Sichuan University, Chengdu, China
| | - Yangming Tang
- Department of Urology, West China Hospital, Sichuan University, Chengdu, China
- Transplant Center, West China Hospital, Sichuan University, Chengdu, China
| | - Tao Lin
- Department of Urology, West China Hospital, Sichuan University, Chengdu, China
- Transplant Center, West China Hospital, Sichuan University, Chengdu, China
| | - Turun Song
- Department of Urology, West China Hospital, Sichuan University, Chengdu, China
- Transplant Center, West China Hospital, Sichuan University, Chengdu, China
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Sani A, Movalled K, Kamanaj A, Hassannezhad S, Hosseinifard H, Rashidi Y, Ghojazadeh M, Niknafs B, Zununi Vahed S, Ardalan M. Interventions for decreasing the risk of recurrent IgA nephropathy: A systematic review and meta-analysis. Transpl Immunol 2023; 80:101878. [PMID: 37348769 DOI: 10.1016/j.trim.2023.101878] [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: 08/21/2022] [Revised: 03/28/2023] [Accepted: 06/19/2023] [Indexed: 06/24/2023]
Abstract
Recurrent IgA nephropathy (rIgAN) is an important cause of kidney allograft loss. Till now, no proven strategies have been confirmed to prevent/decrease the rIgAN. Here, a systematic review and meta-analysis were performed on the available interventions impacting rIgAN. PubMed, Embase, Web of sciences, ProQuest, and Cochrane library databases along with Google Scholar were searched for articles evaluating the rIgAN after kidney transplantation (up to 23 February 2023). The main inclusion criteria were kidney transplantation because of primary IgAN and articles studying the rate of the rIgAN based on different therapeutic interventions to find their effects on the disease recurrence. Based on our criteria, 11 papers were included in this systematic review, two of which pleased the criteria for the meta-analysis. Meta-analysis showed that the risk of the rIgAN in the steroid-free group was 3.33 times more than that of the steroid-receiving group (Pooled Hazard Ratio = 3.33, 95% CI 0.60 to18.33, Z-value = 1.38, p-value = 0.16). Steroid-free therapy increases the risk of rIgAN in kidney transplant recipients with primary IgAN. High-quality trials with large sample sizes studies are needed to confirm the impact of the steroids on decreasing the rate of the rIgAN.
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Affiliation(s)
- Anis Sani
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Kobra Movalled
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Arash Kamanaj
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sina Hassannezhad
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran; Research Center for Evidence-Based Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hossein Hosseinifard
- Research Center for Evidence-Based Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Yasin Rashidi
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran; Kidney Research Center, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Morteza Ghojazadeh
- Research Center for Evidence-Based Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Bahram Niknafs
- Kidney Research Center, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sepideh Zununi Vahed
- Kidney Research Center, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Mohammadreza Ardalan
- Kidney Research Center, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
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Alachkar N, Delsante M, Greenberg RS, Koirala A, Alhamad T, Abdalla B, Anand M, Boonpheng B, Blosser C, Maggiore U, Bagnasco SM. Evaluation of the Modified Oxford Score in Recurrent IgA Nephropathy in North American Kidney Transplant Recipients: The Banff Recurrent Glomerulonephritis Working Group Report. Transplantation 2023; 107:2055-2063. [PMID: 37202854 DOI: 10.1097/tp.0000000000004640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
BACKGROUND The modified Oxford classification mesangial and endocapillary hypercellularity, segmental sclerosis, interstitial fibrosis/tubular atrophy, and the presence of crescents (MEST-C) of immunoglobulin A nephropathy (IgAN) was recently shown to be a predictor of graft failure in Asians with recurrent IgAN. We aimed to validate these findings in a cohort from North American centers participating in the Banff Recurrent Glomerulopathies Working Group. METHODS We examined 171 transplant recipients with end-stage kidney disease because of IgAN; 100 of them with biopsy-proven recurrent IgAN (57 of them had complete MEST-C scores) and 71 with no recurrence. RESULTS IgAN recurrence, which was associated with younger age at transplantation ( P = 0.012), strongly increased the risk of death-censored graft failure (adjusted hazard ratio, 5.10 [95% confidence interval (CI), 2.26-11.51]; P < 0.001). Higher MEST-C score sum was associated with death-censored graft failure (adjusted hazard ratio, 8.57 [95% CI, 1.23-59.85; P = 0.03] and 61.32 [95% CI, 4.82-779.89; P = 0.002] for score sums 2-3 and 4-5 versus 0, respectively), and so were the single components endocapillary hypercellularity, interstitial fibrosis/tubular atrophy, and crescents ( P < 0.05 each). Overall, most of the pooled adjusted hazard ratio estimates associated with each MEST-C component were consistent with those from the Asian cohort (heterogeneity I2 close to 0%, and P > 0.05). CONCLUSIONS Our findings may validate the prognostic usefulness of the Oxford classification for recurrent IgAN and support the inclusion of the MEST-C score in allograft biopsies diagnostic reports.
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Affiliation(s)
- Nada Alachkar
- Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, MD
| | - Marco Delsante
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Ross S Greenberg
- Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, MD
| | - Abbal Koirala
- Department of Medicine, University of Washington, Seattle, WA
| | - Tarek Alhamad
- Department of Medicine, Washington University, St Louis, MO
| | - Basmah Abdalla
- Department of Medicine, University of California, Los Angeles, Los Angeles, CA
| | - Manish Anand
- Department of Medicine, Division of Nephrology, University of Cincinnati, Cincinnati, OH
| | - Ben Boonpheng
- Department of Medicine, University of Washington, Seattle, WA
| | | | - Umberto Maggiore
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Serena M Bagnasco
- Department of Pathology, The Johns Hopkins University School of Medicine, Baltimore, MD
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Person T, King RG, Rizk DV, Novak J, Green TJ, Reily C. Cytokines and Production of Aberrantly O-Glycosylated IgA1, the Main Autoantigen in IgA Nephropathy. J Interferon Cytokine Res 2022; 42:301-315. [PMID: 35793525 PMCID: PMC9536348 DOI: 10.1089/jir.2022.0039] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 04/16/2022] [Indexed: 01/09/2023] Open
Abstract
Immunoglobulin A (IgA) nephropathy is the most common primary glomerulonephritis worldwide, with no disease-specific treatment and up to 40% of patients progressing to kidney failure. IgA nephropathy (IgAN), characterized by IgA1-containing immunodeposits in the glomeruli, is considered to be an autoimmune disease in which the kidneys are injured as innocent bystanders. Glomerular immunodeposits are thought to originate from the circulating immune complexes that contain aberrantly O-glycosylated IgA1, the main autoantigen in IgAN, bound by IgG autoantibodies. A common clinical manifestation associated with IgAN includes synpharyngitic hematuria at disease onset or during disease activity. This observation suggests a connection of disease pathogenesis with an activated mucosal immune system of the upper-respiratory and/or gastrointestinal tract and IgA1 glycosylation. In fact, some cytokines can enhance production of aberrantly O-glycosylated IgA1. This process involves abnormal cytokine signaling in IgA1-producing cells from patients with IgAN. In this article, we present our view of pathogenesis of IgAN and review how some cytokines can contribute to the disease process by enhancing production of aberrantly glycosylated IgA1. We also review current clinical trials of IgAN based on cytokine-targeting therapeutic approaches.
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Affiliation(s)
- Taylor Person
- Department of Microbiology and Birmingham, Alabama, USA
| | - R. Glenn King
- Department of Microbiology and Birmingham, Alabama, USA
| | - Dana V. Rizk
- Department of Medicine University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Jan Novak
- Department of Microbiology and Birmingham, Alabama, USA
| | - Todd J. Green
- Department of Microbiology and Birmingham, Alabama, USA
| | - Colin Reily
- Department of Microbiology and Birmingham, Alabama, USA
- Department of Medicine University of Alabama at Birmingham, Birmingham, Alabama, USA
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Kavanagh CR, Zanoni F, Leal R, Jain NG, Stack MN, Vasilescu ER, Serban G, Shaut C, Kamal J, Kudose S, Martinho A, Alves R, Santoriello D, Canetta PA, Cohen D, Radhakrishnan J, Appel GB, Stokes MB, Markowitz GS, D’Agati VD, Kiryluk K, Andeen NK, Batal I. Clinical Predictors and Prognosis of Recurrent IgA Nephropathy in the Kidney Allograft. GLOMERULAR DISEASES 2022; 2:42-53. [PMID: 35450416 PMCID: PMC9017582 DOI: 10.1159/000519834] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Introduction Although IgA nephropathy (IgAN) is the most common recurrent glomerulonephritis encountered in the kidney allograft, the clinical and immunogenetic characteristics remain poorly understood. We sought to study determinants and prognosis of recurrent IgAN with special focus on HLA antigens. Materials and Methods Between 2005 and 2019, we identified 282 transplanted patients with failure secondary to IgAN from two North American and one European Medical Centers, including 80 with recurrent IgAN and 202 without recurrence. Prevalence of HLA antigens was compared to external healthy controls of European ancestry (n=15,740). Graft survival was assessed by Kaplan-Meier method and log rank test. Cox proportional hazards were used for multivariable analyses. Results Compared to external controls of European ancestry, kidney transplant recipients of European ancestry with kidney failure secondary to IgAN had higher frequency of HLA-DQ5 (42% vs. 30%, OR=1.68, P=0.002) and lower frequency of HLA-DR15 (15% vs. 28%, OR=0.46, P<0.001) and HLA-DQ6 (32% vs. 45%, OR=0.59, P=0.003); however, the frequency of these HLA antigens were similar in recurrent versus non-recurring IgAN. Younger recipient age at transplantation was an independent predictor of recurrence. HLA-matching was an independent predictor for recurrent IgAN only in recipients of living-related but not deceased or living unrelated transplants. Recurrent IgAN was an independent predictor of allograft failure, along with acute rejection. In patients with recurrent IgAN, serum creatinine at biopsy, degree of proteinuria, and concurrent acute rejection were associated with inferior allograft survival. Discussion/ Conclusion Recurrent IgAN negatively affects allograft survival. Younger recipient age at transplantation is an independent predictor of recurrent IgAN, while the presence of HLA antigens associated with IgAN in the native kidney and HLA-matching in recipients of deceased or living unrelated transplants are not.
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Affiliation(s)
- Catherine R. Kavanagh
- Pediatric, Nephrology, Columbia University Irving Medical Center, Morgan Stanley Children's Hospital, New York, NY, USA
| | - Francesca Zanoni
- Medicine, Nephrology, Columbia University Irving Medical Center, New York, NY, USA
| | - Rita Leal
- Nephrology department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal,Faculty of Medicine, University of Coimbra, Portugal
| | - Namrata G. Jain
- Pediatric, Nephrology, Columbia University Irving Medical Center, Morgan Stanley Children's Hospital, New York, NY, USA
| | - Megan Nicole Stack
- Medicine, Nephrology, Oregon Health & Science University, Portland, OR, USA
| | - Elena-Rodica Vasilescu
- Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY, USA
| | - Geo Serban
- Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY, USA
| | - Carley Shaut
- Medicine, Nephrology, Oregon Health & Science University, Portland, OR, USA
| | - Jeanne Kamal
- Medicine, Nephrology, Columbia University Irving Medical Center, New York, NY, USA
| | - Satoru Kudose
- Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY, USA
| | - António Martinho
- Centro de Histocompatibilidade do Centro, Instituto Português do Sangue da Transplantação, Coimbra, Portugal
| | - Rui Alves
- Nephrology department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal,Faculty of Medicine, University of Coimbra, Portugal
| | - Dominick Santoriello
- Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY, USA
| | - Pietro A Canetta
- Medicine, Nephrology, Columbia University Irving Medical Center, New York, NY, USA
| | - David Cohen
- Medicine, Nephrology, Columbia University Irving Medical Center, New York, NY, USA
| | - Jai Radhakrishnan
- Medicine, Nephrology, Columbia University Irving Medical Center, New York, NY, USA
| | - Gerald B. Appel
- Medicine, Nephrology, Columbia University Irving Medical Center, New York, NY, USA
| | - Michael B. Stokes
- Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY, USA
| | - Glen S. Markowitz
- Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY, USA
| | - Vivette D. D’Agati
- Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY, USA
| | | | - Nicole K. Andeen
- Pathology, Oregon Health & Science University, Portland, OR, USA
| | - Ibrahim Batal
- Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY, USA
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Nakamura T, Shirouzu T. Antibody-Mediated Rejection and Recurrent Primary Disease: Two Main Obstacles in Abdominal Kidney, Liver, and Pancreas Transplants. J Clin Med 2021; 10:5417. [PMID: 34830699 PMCID: PMC8619797 DOI: 10.3390/jcm10225417] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 11/17/2021] [Accepted: 11/18/2021] [Indexed: 02/08/2023] Open
Abstract
The advances in acute phase care have firmly established the practice of organ transplantation in the last several decades. Then, the next issues that loom large in the field of transplantation include antibody-mediated rejection (ABMR) and recurrent primary disease. Acute ABMR is a daunting hurdle in the performance of organ transplantation. The recent progress in desensitization and preoperative monitoring of donor-specific antibodies enables us to increase positive outcomes. However, chronic active ABMR is one of the most significant problems we currently face. On the other hand, recurrent primary disease is problematic for many recipients. Notably, some recipients, unfortunately, lost their vital organs due to this recurrence. Although some progress has been achieved in these two areas, many other factors remain largely obscure. In this review, these two topics will be discussed in light of recent discoveries.
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Affiliation(s)
- Tsukasa Nakamura
- Department of Organ Transplantation and General Surgery, Kyoto Prefectural University of Medicine, Kajii-cho 465, Kamigyo-ku, Kyoto 602-8566, Japan
| | - Takayuki Shirouzu
- Molecular Diagnositcs Division, Wakunaga Pharmaceutical Co., Ltd., 13-4 Arakicho, shinjyuku-ku, Tokyo 160-0007, Japan;
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