Articles tagged "HLA antigens"

2020 American Transplant Congress
Cardiac Transplantation is Accompanied by Major T and NK Cell Alterations within the First 24 Hours
J. Iske¹, B. Wiegmann², K. Ludwig¹, N. Ledwoch¹, E. Chichelnitskiy¹, J. F. Kühne¹, A. Hitz¹, R. Bellmàs-Sanz¹, K. Daemen¹, J. Keil¹, F. Ius², S. Rochas², A. Knoefel², A. Haverich², G. Warnecke², C. S. Falk¹
¹Institute of Transplant Immunology, Hannover Medical School, Hannover, Germany, ²Division of Cardiac, Thoracic, Transplantation and Vascular Surgery, Hannover Medical School, Hannover, Germany
*Purpose: Allogeneic heart transplantation (HTx) displays the only curative approach for terminal heart insufficiency while acute allograft rejection remains a major complication. However, early kinetics…
2020 American Transplant Congress
Risk Epitope Mismatch Does Not Predict Short Term Heart Transplant Outcomes
Y. Moayedi¹, J. McCaughan², E. Henricksen³, B. Mueller⁴, S. Fan⁴, H. J. Ross¹, K. Khush⁵, B. M. Zhang⁶, J. Teuteberg⁵
¹Cardiology, Ted Rogers Centre for Heart Research, University Health Network, University of Toronto, Toronto, ON, Canada, ²HLA Lab, Belfast Trust, Belfast, Ireland, ³Pharmacy, Stanford Healthcare, Stanford, CA, ⁴Computational Program TRCHR, Ted Rogers Centre for Heart Research, University Health Network, University of Toronto, Toronto, ON, Canada, ⁵Cardiology, Stanford University, Stanford, CA, ⁶HLA Lab, Stanford University, Stanford, CA
*Purpose: Heart transplantation (HT) remains the gold standard treatment for end-stage heart failure. Despite significant improvements in short-term outcomes, the median survival after heart transplantation…
2020 American Transplant Congress
Low HLA Class I Epitope Mismatch Associated with Improved Pancreas Graft Survival in Simultaneous Pancreas-Kidney Transplantation
J. M. Ladowski, M. Romine, D. Kloda, C. Young, J. Locke, V. Hauptfeld-Dolejsek, J. Houp
University of Alabama-Birmingham, Birmingham, AL
*Purpose: Antibody-mediated rejection remains the principal cause of allotransplant graft failure. Human leukocyte antigen (HLA) matching between donor and recipients significantly reduces the risk of…
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)…