Articles tagged "HLA antigens"

2020 American Transplant Congress
HLA Cw12 in Kidney Transplant Recipients is a Novel Risk Factor for the Development of Post-Transplantation Diabetes: A Single-Centre Retrospective Study
N. Phagura¹, A. Culliford², F. Evison³, S. Gallier³, J. Nath², D. Briggs⁴, A. Sharif²
¹College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom, ²Department of Nephrology and Transplantation, University Hospitals Birmingham, Birmingham, United Kingdom, ³Department of Health Informatics, University Hospitals Birmingham, Birmingham, United Kingdom, ⁴H&I Birmingham, NHS Blood and Transplant, Birmingham, Birmingham, United Kingdom
*Purpose: Counselling kidney transplant candidates for their personalised risk of developing post-transplantation diabetes mellitus (PTDM) requires an understanding of risk factors. While some risk factors…
2020 American Transplant Congress
The Clinical Significance of C1q+ Antibodies in Pediatric Kidney Transplant Recipients
N. Hayde¹, S. Solomon², A. Colovai¹
¹Montefiore Medical Center, Bronx, NY, ²Westchester Medical Center, Valhalla, NY
*Purpose: To evaluate the impact of denovo DSA (C1q+ vs C1q-) on graft outcomes in pediatric kidney transplant recipients.*Methods: Children transplanted between 2009 and 2016…
2020 American Transplant Congress
Identification of the dnDSA Inducing HLA Mismatches Across Multiple Renal Transplant Centers: A 3-Year Longitudinal Analysis of >11,000 HLA Mismatches in 2271 Patients
J. M. Brennan¹, M. D. Stegall², C. A. Schinstock², R. L. Heilman³, L. M. Rebellato⁴, M. D. Samaniego-Picota⁵, D. Lesser⁴, M. J. Ghandi², J. L. Beaumont¹, M. J. Everly¹
¹Terasaki Research Institute, Los Angeles, CA, ²Mayo Clinic, Rochester, MN, ³Mayo Clinic, Phoenix, AZ, ⁴East Carolina University, Greenville, NC, ⁵Henry Ford Transplant Institute, Detroit, MI
*Purpose: The presence of a mismatch (MM) between donor and recipient HLA does not always lead to the patient developing a de novo donor-specific anti-HLA…
2020 American Transplant Congress
The Impact of a Positive Crossmatch on KAS Patients and Organs
J. Lee¹, K. Sjöholm², C. Kjellman², T. Lorant², L. Winstedt², V. Nigro², K. M. Roupé², Å. Schiött², A. Runstrom², S. Taranto³, T. Baker³, D. Stewart³
¹Medical Affairs, Hansa Biopharma, Camas, WA, ²Hansa Biopharma, Lund, Sweden, ³UNOS, Richmond, VA
*Purpose: Evaluate the potential effects of offer refusals due to positive crossmatch (+XM) on both patients and re-allocated organs with a focus on waitlist outcomes,…
2020 American Transplant Congress
Role of APC Subsets in Rejection and Graft-Versus-Host-Disease in Intestinal Transplantation
H. Dhani, N. Svetlicky, J. Kang, S. Moturi, A. Duttargi, K. Khan, C. Matsumoto, T. S. Fishbein, A. Kroemer
Transplant Institute, MedStar Georgetown University, Washington, DC
*Purpose: Intestinal transplantation (ITx) is arguably the most immunogenic and complex organ transplantation, often accompanied with high rates of allograft rejection (AR) and graft-versus-host disease…
2020 American Transplant Congress
Donor-Recipient Genetic Relationship and Outcomes of Living Donor Liver Transplantation (LDLT): Does it Really Matter?
A. M. Elsabbagh¹, A. Mohamed¹, E. M. Elsabbagh², A. Al-Kurd¹, T. Ivanics¹, E. Ulrich¹, T. Kitajima¹, M. Rizzari¹, K. Collins¹, A. Yoshida¹, M. Abouljoud¹, S. Nagai¹
¹Henry Ford Hospital, Detroit, MI, ²University of Chicago Medical Center, Chicago, IL
*Purpose: The impact of donor-recipient genetic relationship on LDLT outcomes has been raised by some recent reports. We sought to study this over a large…
2020 American Transplant Congress
Outcome of Induction Therapies in Low Sensitized Renal Transplant Recipients with Two HLA DR Mismatch in Tacrolimus Era
K. Soliman¹, T. Fulop¹, A. Osman², H. Ali³
¹Medicine, Medical University of South Carolina, Charleston, SC, ²Medicine, Cairo University, Cairo, Egypt, ³Medicine, Royal Stoke, Royal Stoke, United Kingdom
*Purpose: A mismatch for two HLA DR antigens portends high immunological risk in renal transplant recipients (RTRs). Induction therapies with both rabbit Anti-thymocyte Globulin (r-ATG)…
2020 American Transplant Congress
Impact of Catch-Up Vaccinations on Anti-HLA Antibody Responses in Pediatric Kidney Transplant Candidates
H. Sweiss¹, J. Lyons², R. Hall¹, K. Hitchman³, D. Ranch⁴, E. Kincaide¹, B. Crowther⁵
¹University Health System, San Antonio, The University of Texas Health Science Center at San Antonio, San Antonio, TX, ²Loyola University Medical Center, Chicago, IL, ³University Health System, San Antonio, TX, ⁴The University of Texas Health Science Center at San Antonio, San Antonio, TX, ⁵University of Colorado Health, Aurora, CO
*Purpose: Evaluate antibody (Ab) response after catch-up vaccinations in pediatric kidney transplant candidates (PKTC).*Methods: A single center retrospective review of PKTC less than or equal…
2020 American Transplant Congress
A Multicenter Analysis of the Proportion and Pattern of Unexplained HLA Antibodies in Kidney Recipients without a History of Sensitization
J. Lan¹, J. S. Gill¹, H. M. Gebel², R. A. Bray², R. Liwski³, A. Vinson⁴, A. Greenshields³, S. Dobrer⁵, O. Gunther⁵, K. Sherwood⁵, F. H. Claas⁶, S. Heidt⁶, G. Karahan⁶, J. Gill⁷, M. Gill¹, U. Varyani¹, P. Jindal¹, P. Keown⁵
¹Medicine, Division of Nephrology, University of British Columbia, Vancouver, BC, Canada, ²Pathology, Emory University, Atlanta, GA, ³Pathology, Dalhousie University, Halifax, NS, Canada, ⁴Nephrology, Dalhousie University, Halifax, NS, Canada, ⁵Pathology, University of British Columbia, Vancouver, BC, Canada, ⁶Immunohaematology and Blood Transfusion, Leiden University Medical Center, Leiden, Netherlands, ⁷Nephrology, Emory University, Atlanta, GA
*Purpose: Previous studies report a high prevalence of unexplained antibody reactivities on the single antigen bead (SAB) test. In a contemporary multicenter cohort of non-sensitized…
2020 American Transplant Congress
A New Diagnostic Approach to HLA Testing in Kidney Transplant Patients Using Renal Epithelial Cells
M. Herrmann¹, C. Bach², K. X. Knaup¹, M. Schiffer¹, B. Spriewald², M. S. Wiesener¹
¹Nephrology and Hypertension, University Hospital Erlangen, Erlangen, Germany, ²Haematology and Oncology, University Hospital Erlangen, Erlangen, Germany
*Purpose: In this study we present a new diagnostic approach to HLA typing in kidney transplant recipients using cultured renal tubular cells from urine samples…