ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "HLA antibodies"

  • 2018 American Transplant Congress

    Combination Proteasome Inhibition and Anti-BAFF Therapy Permits Highly Sensitized Rhesus Kidney Transplantation

    B. Ezekian, J. Kwun, M. Manook, P. Schroder, J. Yoon, M. Mulvihill, K. Freischlag, J. Park, J. Cochran, K. Kroning, J. Yi, S. Knechtle.

    Duke Transplant Center, Duke University Medical Center, Durham, NC.

    Purpose:HLA-sensitization is a significant immunologic barrier to successful kidney transplantation (KT). We have shown that proteasome inhibition (PI) in insolation reduces plasma cells (PCs), but…
  • 2018 American Transplant Congress

    Effect of HLA Antibodies on Graft Survival in Adult Live Donor Liver Transplantation

    M. Simpson,1 M. Akoad,1 F. Gordon,1 Y-.L. Cheah,1 C. Simon,1 J. Pomposelli,2 E. Pomfret.2

    1Transplantation, Lahey Hospital & Medical Center, Burlington, MA; 2Transplantation, University of Colorado Medical Center, Aurora, CO.

    The relevance of HLA antibodies in liver transplantation is currently being re-evaluated. While hyperacute rejections are not an issue, antibody effects on long-term outcomes are…
  • 2018 American Transplant Congress

    Comparison of C1Q Binding and Flow Cytometric Crossmatch Results Provides an Accurate Evaluation of Hypersensitive Kidney Transplant Patients

    E. Eksioğlu-Demiralp,1 A. Türkmen,2 B. Yelken,2 S. Görçin,2 O. Elbasi,1 F. Yalçin,3 B. Koçak,2 C. Karatas,4 M. Tuncer,4 M. Altinel.3

    1Tissue Typing and Immunology Laboratory, Memorial Health Group, Istanbul, Turkey; 2Sisli Hospital Transplantation Unit, Memorial Health Group, Istanbul, Turkey; 3Hizmet Hospital Transplantation Unit, Memorial Health Group, Istanbul, Turkey; 4Atasehir Hospital Transplantation Unit, Memorial Health Group, Istanbul, Turkey.

    Measurement of C1q binding to Donor specific antibodies (DSA) gives transplantation chance to hypersensitive patients having non-binding high amount of anti-HLA antibodies. In our series…
  • 2018 American Transplant Congress

    The Impact of Rapamycin Conversion in Pediatric Liver Transplantation on Anti-HLA Antibody Formation and Allograft Fibrosis

    R. Fischer,2 L. Fromm,1 J. Daniel,2 A. Kats,2 R. Hendrickson,2 W. Andrews.2

    1University of Kansas College of Medicine, Kansas City, KS; 2Children's Mercy Hospital, Kansas City, MO.

    Background: Maintenance immunosuppression with tacrolimus (TAC) is associated with progressive liver allograft fibrosis. Conversion to rapamycin (RAPA) may abrogate this progression. The development of donor-specific…
  • 2018 American Transplant Congress

    Identifying Patients with CPRA>99.95% Likely to Be Offered Deceased Donor Kidneys

    R. Parsons, S. Bumb, H. Decker, R. Bray, H. Gebel.

    Emory Transplant Center, Atlanta, GA.

    The implementation of the new kidney allocation system and priority of kidneys for cPRA=100% subjects revealed a hierarchy difference in allocation to patients with cPRA=99.45%-100%.…
  • 2018 American Transplant Congress

    Approaches to Prevention of Antibody Rebound after HLA Sensitization in a Mouse Model

    I. Kim, G. Wu, N-.N. Chai, A. Klein, S. Jordan.

    Comprehensive Transplant Center, Cedars-Sinai Medical Center, Los Angeles, CA.

    Purpose: Control of donor specific antibodies (DSA) is critical for prevention of antibody mediated rejection (ABMR). Removal of DSAs with PLEX often results in significant…
  • 2018 American Transplant Congress

    Development of Post-Transplant DSA Following Immunosuppression Minimization/Withdrawal in Liver Transplant Recipients

    V. Jucaud,1 A. Shaked,2 M. DesMarais,3 P. Sayre,3 M. Everly.1

    1Terasaki Research Institute, Los Angeles; 2University of Pennsylvania, Philadelphia, PA; 3Immune Tolerance Network, Seattle, WA.

    Despite the allograft-risk associated with DSA, the development of post-transplant HLA donor-specific antibody (DSA) is not well described in liver transplant (LT) patients undergoing immunosuppression…
  • 2018 American Transplant Congress

    Impact of Pretransplant Donor-Specific Antibodies on Kidney Allograft Recipients with Negative Flow Cytometry Crossmatches

    H. Kwon, Y. Kim, J. Choi, S. Shin, J. Jung, M. Cho, J. Kim, D. Han.

    Asan Medical Center, Seoul, Korea.

    This study evaluated the impact of DSA on clinical outcomes in KT recipients negative on FCXM. Of 575 consecutive patients who underwent living donor KT…
  • 2018 American Transplant Congress

    IgG De Novo HLA Antibody Subclass Analysis in Patients Undergoing Allograft Nephrectomy after Transplant Failure

    G. Lucisano,1 A. Gueret-Wardle,1 P. Brookes,2 E. Santos-Nunez,2 N. Firmin,2 N. Gunby,2 S. Hassan,1 M. Willicombe,1 D. Taube.1

    1Renal and Transplant Centre, Imperial College Healthcare NHS Trust, London, United Kingdom; 2Histocompatibility and Immunogenetics, Imperial College Healthcare NHS Trust, London, United Kingdom.

    Introduction: different immunising events can stimulate the production of disparate antibody subclass profiles, reflecting a diverse extent of T-cell activation. Transplant nephrectomy (NX) is a…
  • 2018 American Transplant Congress

    Elevated Serum Penteraxin in Cardiac Allograft Antibody Mediated Rejection: From Cytokine Arrays to Patients with ABMR

    O. Moussa,3 M. Kavarana,2 L. Klingman,1 J. Felius,1 S. Hall,1 M. Askar.1

    1Baylor Research Institute, Dallas; 2Medical University of South Carolina, Charleston; 3University of Michigan, Ann Arbor, MI.

    Pentraxin 3 (PTX3) is soluble protein that has been implicated in in atherosclerosis, endothelial function, hypertension, myocardial infarction and angiogenesis (Fornai et al., 2016). We…
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