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de Mattos Barbosa MG, Lefferts AR, Huynh D, Liu H, Zhang Y, Fu B, Barnes J, Samaniego M, Bram RJ, Geha R, Shikanov A, Luning Prak ET, Farkash EA, Platt JL, Cascalho M. TNFRSF13B genotypes control immune-mediated pathology by regulating the functions of innate B cells. JCI Insight 2021; 6:e150483. [PMID: 34283811 PMCID: PMC8492324 DOI: 10.1172/jci.insight.150483] [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: 04/14/2021] [Accepted: 07/14/2021] [Indexed: 11/20/2022] Open
Abstract
Host genes define the severity of inflammation and immunity but specific loci doing so are unknown. Here we show that TNF receptor superfamily member 13B (TNFRSF13B) variants, which enhance defense against certain pathogens, also control immune-mediated injury of transplants, by regulating innate B cells’ functions. Analysis of TNFRSF13B in human kidney transplant recipients revealed that 33% of those with antibody-mediated rejection (AMR) but fewer than 6% of those with stable graft function had TNFRSF13B missense mutations. To explore mechanisms underlying aggressive immune responses, we investigated alloimmunity and rejection in mice. Cardiac allografts in Tnfrsf13b-mutant mice underwent early and severe AMR. The dominance and precocity of AMR in Tnfrsf13b-deficient mice were not caused by increased alloantibodies. Rather, Tnfrsf13b mutations decreased “natural” IgM and compromised complement regulation, leading to complement deposition in allografted hearts and autogenous kidneys. Thus, WT TNFRSF13B and Tnfrsf13b support innate B cell functions that limit complement-associated inflammation; in contrast, common variants of these genes intensify inflammatory responses that help clear microbial infections but allow inadvertent tissue injury to ensue. The wide variation in inflammatory reactions associated with TNFRSF13B diversity suggests polymorphisms could underlie variation in host defense and explosive inflammatory responses that sometimes enhance morbidity associated with immune responses.
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Affiliation(s)
| | - Adam R Lefferts
- Department of Surgery, University of Michigan, Ann Arbor, United States of America
| | - Daniel Huynh
- Department of Surgery, University of Michigan, Ann Arbor, United States of America
| | - Hui Liu
- Department of Surgery, University of Michigan, Ann Arbor, United States of America
| | - Yu Zhang
- Department of Surgery, University of Michigan, Ann Arbor, United States of America
| | - Beverly Fu
- Department of Surgery, University of Michigan, Ann Arbor, United States of America
| | - Jenna Barnes
- Department of Pathology, University of Michigan, Ann Arbor, United States of America
| | - Milagros Samaniego
- Department of Medicine, University of Michigan, Ann Arbor, United States of America
| | - Richard J Bram
- Department of Pediatric and Adolescent Medicine, Mayo Clinic/Foundation, Rochester, United States of America
| | - Raif Geha
- Division of Immunology, Department of Pediatrics, Harvard Medical School, Boston, United States of America
| | - Ariella Shikanov
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, United States of America
| | - Eline T Luning Prak
- Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, United States of America
| | - Evan A Farkash
- Department of Pathology, University of Michigan, Ann Arbor, United States of America
| | - Jeffrey L Platt
- Transplantation Biology, University of Michigan, Ann Arbor, United States of America
| | - Marilia Cascalho
- Department of Microbiology and Immunology, University of Michigan, Ann Arbor, United States of America
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Genetic background and transplantation outcomes: insights from genome-wide association studies. Curr Opin Organ Transplant 2020; 25:35-41. [PMID: 31815792 DOI: 10.1097/mot.0000000000000718] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
PURPOSE OF REVIEW The current review summarizes recent advances in the genetic studies of transplantation outcomes, including new genome-wide association studies for acute rejection, allograft survival, pharmacogenomics, and common transplant comorbidities. RECENT FINDINGS Genetic studies of kidney transplantation outcomes have begun to address the question of genetic compatibility beyond human leukocyte antigens, including the role of genome-wide mismatches in missense variants, and the 'genomic collision' hypothesis under which the risk of rejection may be increased in recipients homozygous for loss-of-function variants with grafts from nonhomozygous donors. In recent pilot studies, missense mismatch scores for transmembrane and secreted proteins were associated with antibodies against the mismatched peptides and reduced allograft survival. A 'genomic collision' at the LIMS1 locus involving a common deletion near LIMS1 gene was associated with anti-LIMS1 antibody response and increased risk of rejection. Additional genetic factors under active investigation include genome-wide polygenic risk scores for renal function and apolipoprotein L1 risk genotypes in African-American kidney donors. Due to the heterogeneity and complexity of clinical outcomes, new genome-wide association studies for rejection, allograft survival, and specific transplant comorbidities will require larger multicenter meta-analyses. SUMMARY Genetic compatibilities between donor and recipient represent an important determinant of rejection and long-term allograft survival. Genetic background of transplant donors may be additionally predictive of allograft function, while recipient's genomes are likely determinant of a wide range of transplantation outcomes, from rejection susceptibility to pharmacogenetics and various comorbidities related to prolonged immunosuppression.
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Tambur AR, Campbell P, Chong AS, Feng S, Ford ML, Gebel H, Gill RG, Kelsoe G, Kosmoliaptsis V, Mannon RB, Mengel M, Reed EF, Valenzuela NM, Wiebe C, Dijke IE, Sullivan HC, Nickerson P. Sensitization in transplantation: Assessment of risk (STAR) 2019 Working Group Meeting Report. Am J Transplant 2020; 20:2652-2668. [PMID: 32342639 PMCID: PMC7586936 DOI: 10.1111/ajt.15937] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 04/01/2020] [Accepted: 04/20/2020] [Indexed: 01/25/2023]
Abstract
The purpose of the STAR 2019 Working Group was to build on findings from the initial STAR report to further clarify the expectations, limitations, perceptions, and utility of alloimmune assays that are currently in use or in development for risk assessment in the setting of organ transplantation. The goal was to determine the precision and clinical feasibility/utility of such assays in evaluating both memory and primary alloimmune risks. The process included a critical review of biologically driven, state-of-the-art, clinical diagnostics literature by experts in the field and an open public forum in a face-to-face meeting to promote broader engagement of the American Society of Transplantation and American Society of Histocompatibility and Immunogenetics membership. This report summarizes the literature review and the workshop discussions. Specifically, it highlights (1) available assays to evaluate the attributes of HLA antibodies and their utility both as clinical diagnostics and as research tools to evaluate the effector mechanisms driving rejection; (2) potential assays to assess the presence of alloimmune T and B cell memory; and (3) progress in the development of HLA molecular mismatch computational scores as a potential prognostic biomarker for primary alloimmunity and its application in research trial design.
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Affiliation(s)
- Anat R. Tambur
- Department of SurgeryComprehensive Transplant CenterNorthwestern UniversityChicagoIllinoisUSA
| | - Patricia Campbell
- Department of Laboratory Medicine & PathologyUniversity of AlbertaEdmontonCanada
| | - Anita S. Chong
- Section of TransplantationDepartment of SurgeryThe University of ChicagoChicagoIllinoisUSA
| | - Sandy Feng
- Department of SurgeryUCSF Medical CenterSan FranciscoCaliforniaUSA
| | - Mandy L. Ford
- Department of Surgery and Emory Transplant CenterEmory UniversityAtlantaGeorgiaUSA
| | - Howard Gebel
- Department of PathologyEmory University School of MedicineAtlantaGeorgiaUSA
| | - Ronald G. Gill
- Department of ImmunologyUniversity of ColoradoDenverColoradoUSA
| | - Garnett Kelsoe
- Department of ImmunologyDuke University School of MedicineDurhamNorth CarolinaUSA
| | | | - Roslyn B. Mannon
- Department of MedicineDivision of NephrologyUniversity of Alabama School of MedicineBirminghamAlabamaUSA
| | - Michael Mengel
- Department of Laboratory Medicine & PathologyUniversity of AlbertaEdmontonCanada
| | - Elaine F. Reed
- Department of Pathology and Laboratory MedicineDavid Geffen School of MedicineUniversity of CaliforniaLos AngelesCaliforniaUSA
| | - Nicole M. Valenzuela
- Department of Pathology and Laboratory MedicineDavid Geffen School of MedicineUniversity of CaliforniaLos AngelesCaliforniaUSA
| | - Chris Wiebe
- Department of MedicineUniversity of ManitobaWinnipegManitobaCanada
| | - I. Esme Dijke
- Department of Laboratory Medicine & PathologyUniversity of AlbertaEdmontonCanada
| | - Harold C. Sullivan
- Department of PathologyEmory University School of MedicineAtlantaGeorgiaUSA
| | - Peter Nickerson
- Department of MedicineUniversity of ManitobaWinnipegManitobaCanada
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Stapleton CP, Heinzel A, Guan W, van der Most PJ, van Setten J, Lord GM, Keating BJ, Israni AK, de Borst MH, Bakker SJ, Snieder H, Weale ME, Delaney F, Hernandez‐Fuentes MP, Reindl-Schwaighofer R, Oberbauer R, Jacobson PA, Mark PB, Chapman FA, Phelan PJ, Kennedy C, Sexton D, Murray S, Jardine A, Traynor JP, McKnight AJ, Maxwell AP, Smyth LJ, Oetting WS, Matas AJ, Mannon RB, Schladt DP, Iklé DN, Cavalleri GL, Conlon PJ. The impact of donor and recipient common clinical and genetic variation on estimated glomerular filtration rate in a European renal transplant population. Am J Transplant 2019; 19:2262-2273. [PMID: 30920136 PMCID: PMC6989089 DOI: 10.1111/ajt.15326] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 01/22/2019] [Accepted: 02/11/2019] [Indexed: 01/25/2023]
Abstract
Genetic variation across the human leukocyte antigen loci is known to influence renal-transplant outcome. However, the impact of genetic variation beyond the human leukocyte antigen loci is less clear. We tested the association of common genetic variation and clinical characteristics, from both the donor and recipient, with posttransplant eGFR at different time-points, out to 5 years posttransplantation. We conducted GWAS meta-analyses across 10 844 donors and recipients from five European ancestry cohorts. We also analyzed the impact of polygenic risk scores (PRS), calculated using genetic variants associated with nontransplant eGFR, on posttransplant eGFR. PRS calculated using the recipient genotype alone, as well as combined donor and recipient genotypes were significantly associated with eGFR at 1-year posttransplant. Thirty-two percent of the variability in eGFR at 1-year posttransplant was explained by our model containing clinical covariates (including weights for death/graft-failure), principal components and combined donor-recipient PRS, with 0.3% contributed by the PRS. No individual genetic variant was significantly associated with eGFR posttransplant in the GWAS. This is the first study to examine PRS, composed of variants that impact kidney function in the general population, in a posttransplant context. Despite PRS being a significant predictor of eGFR posttransplant, the effect size of common genetic factors is limited compared to clinical variables.
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Affiliation(s)
- Caragh P. Stapleton
- Department of Molecular and Cellular Therapeutics, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Andreas Heinzel
- Division of Nephrology and Dialysis, Department of Internal Medicine III, Medical University of Vienna, Vienna, Austria
| | - Weihua Guan
- Department of Biostatistics, University of Minnesota, Minneapolis, Minnesota, USA
| | - Peter J. van der Most
- Departments of Epidemiology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Jessica van Setten
- Department of Cardiology, University Medical Center Utrecht, University of Utrecht, Utrecht, The Netherlands
| | - Graham M. Lord
- King’s College London, MRC Centre for Transplantation, London, UK
- NIHR Biomedical Research Centre at Guy’s and St Thomas’, NHS Foundation Trust and King’s College London, London, UK
| | - Brendan J. Keating
- Department of Surgery, Penn Transplant Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Ajay K. Israni
- Department of Medicine, Hennepin County Medical Center, University of Minnesota, Minneapolis, Minnesota, USA
| | - Martin H. de Borst
- Division of Nephrology, Department of Internal Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Stephan J.L. Bakker
- Division of Nephrology, Department of Internal Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Harold Snieder
- Departments of Epidemiology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Michael E. Weale
- Division of Genetics & Molecular Medicine, King’s College London, London, UK
| | - Florence Delaney
- King’s College London, MRC Centre for Transplantation, London, UK
- NIHR Biomedical Research Centre at Guy’s and St Thomas’, NHS Foundation Trust and King’s College London, London, UK
| | | | - Roman Reindl-Schwaighofer
- Division of Nephrology and Dialysis, Department of Internal Medicine III, Medical University of Vienna, Vienna, Austria
| | - Rainer Oberbauer
- Division of Nephrology and Dialysis, Department of Internal Medicine III, Medical University of Vienna, Vienna, Austria
| | - Pamala A. Jacobson
- Department of Experimental and Clinical Pharmacology, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota
| | - Patrick B. Mark
- Institute of Cardiovascular and Medical Sciences, BHF Cardiovascular Research Centre, University of Glasgow, UK
| | - Fiona A. Chapman
- Institute of Cardiovascular and Medical Sciences, BHF Cardiovascular Research Centre, University of Glasgow, UK
| | - Paul J. Phelan
- Department of Nephrology, Royal Infirmary of Edinburgh, NHS Lothian, UK
| | - Claire Kennedy
- Department of Nephrology, Beaumont Hospital, Dublin, Ireland
| | - Donal Sexton
- Department of Nephrology, Beaumont Hospital, Dublin, Ireland
| | - Susan Murray
- Department of Nephrology, Beaumont Hospital, Dublin, Ireland
| | - Alan Jardine
- Institute of Cardiovascular and Medical Sciences, BHF Cardiovascular Research Centre, University of Glasgow, UK
| | - Jamie P. Traynor
- Institute of Cardiovascular and Medical Sciences, BHF Cardiovascular Research Centre, University of Glasgow, UK
| | | | | | - Laura J. Smyth
- Centre for Public Health, Queen’s University of Belfast, Belfast, UK
| | - William S. Oetting
- Department of Experimental and Clinical Pharmacology, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota
| | - Arthur J. Matas
- Department of Surgery, University of Minnesota, Minneapolis, Minnesota
| | - Roslyn B. Mannon
- Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama
| | | | | | | | | | | | - Gianpiero L. Cavalleri
- Department of Molecular and Cellular Therapeutics, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Peter J. Conlon
- Department of Nephrology, Beaumont Hospital, Dublin, Ireland
- Department of Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland
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