ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Rejection"

  • 2016 American Transplant Congress

    Acute Rejections and Incidence of De Novo DSA Depend on Donor Factors and Deceased Donor Kidney Associated Risk Assessed by the Kidney Donor Profile Index (KDPI).

    O. Staeck, D. Khadzhynov, L. Lehner, A. Kleinsteuber, M. Duerr, E. Schrezenmeier, K. Budde, F. Halleck.

    Nephrology, Charite, Berlin, Germany.

    Introduction: Little data exist analyzing the influence of donor kidney quality on the immunologic outcome and applying the KDPI in a European cohort.Methods: This retrospective…
  • 2016 American Transplant Congress

    Antibody Titers as Predictors of Kidney Graft Outcomes.

    A. Gilbert,1 M. Zaheer,1 O. Timofeeva,2 S. Rosen-Bronson,2 M. Awwad,2 D. Li,2 M. Grafals,1 B. Javaid,1 P. Abrams,1 J. Verbesey,1 M. Cooper.1

    1Surgery, MedStar Georgetown Transplant Institute, Washington, DC; 2Pathology, MedStar Georgetown Transplant Institute, Washington, DC.

    PURPOSE: Development of de novo donor specific antibody (dnDSA) following kidney transplantation is not uncommon. As laboratory techniques advance, rates of dnDSA have increased. However,…
  • 2016 American Transplant Congress

    Assessment of mRNA Gene Profiles in Plasma Exosome to Predict Risk for Antibody-Mediated Rejection (ABMR) of Renal Allografts.

    H. Zhang,1 J. Kahwaji,1 P. Li,2 S. Ge,1 D. Thomas,1 C. Nast,3 A. Vo,1 M. Haas,3 S. Jordan,1 M. Toyoda.1

    1Transplant Immunology Laboratory, Cedars-Sinai Medical Center, Los Angeles, CA; 2Surgery, Cedars-Sinai Medical Center, Los Angeles, CA; 3Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Los Angeles, CA.

    Background: ABMR is a major obstacle for successful transplant in HLA-sensitized (HS) patients. Complement-mediated and antibody-dependent cellular cytotoxicity (ADCC) are primarily mechanisms for ABMR. Previously…
  • 2016 American Transplant Congress

    Kidney Transplantation with Strong Preformed Donor-Specific Antibodies: Impact of C1q-Binding Ability.

    J. Malheiro,1 S. Tafulo,2 S. Santos,1 M. Costa,1 L. Martins,1 L. Dias,1 A. Henriques.1

    1Nephrology, CHP, Porto, Portugal; 2CSTP, Porto, Portugal.

    HLA-incompatible kidney transplantation is associated with worse outcomes given the presence of donor-specific anti-HLA antibodies (DSA). Our aim was to investigate the association between preformed…
  • 2016 American Transplant Congress

    Influence of Donor and Recipient CYP3A4, CYP3A5 and ABCB1 Genotypes on Outcomes in Liver Transplants.

    M. Debette-Gratien,1 J. Woillard,2 N. Picard,2 M. Sebbagh,4 D. Sautereau,5 V. Loustaud-Ratti,1 D. Samuel,3 P. Marquet.2

    1Hepatology, INSERM UMR 850, Univ Limoges, CHU Limoges, Limoges, France; 2Pharmacology and Toxicology, INSERM UMR 850, Univ Limoges, CHU Limoges, Limoges, France; 3Hepatology, INSERM U785, Centre hépatobiliaire, Villejuif, France; 4Hepatology, Centre Hépatobiliaire, Villejuif, France; 5Hepatology, CHU Limoges, Limoges, France.

    Liver transplantation is a life-saving technique for patients with end-stage liver disease. Pharmacogenetics is promising to explain a part of variability of calcineurin inhibitors efficacy…
  • 2016 American Transplant Congress

    Systematic Pathological Component Scores for Skin-Containing Vascularized Composite Allografts.

    I. Rosales,1 M. DeFazio,2 R. Foreman,1 D. Sachs,2 C. Cetrulo,2 D. Leonard,2,3 R. Colvin.1

    1Pathology, Massachusetts General Hospital, Boston; 2Transplantation Biology Research Center, Plastic and Reconstructive Surgery, Massachusetts General Hospital, Boston; 3Plastic and Reconstructive Surgery, Countess of Chester Hospital, Chester, United Kingdom.

    Successful application of skin-containing vascularized composite allografts (VCA) depends on accurate assessment of the graft status typically based on skin biopsies. A working classification (Banff…
  • 2016 American Transplant Congress

    Protective Impact of the Kidney in SPK Transplants – Mechanisms for Improved Outcomes Compared with Solitary Transplants.

    E. Finger, T. Dunn, A. Kukla, V. Kirchner, R. Kandaswamy.

    Surgery, University of Minnesota, Minneapolis, MN.

    Purpose: Outcomes for SPK txps are superior to solitary pancreas txps. The basis for this difference is unknown. We sought to identify the biologic mechanism…
  • 2016 American Transplant Congress

    Induction Therapy with Depleting Antibodies in Low Immunological Risk Renal Transplant Patients Treated with a Steroid Free Regimen – Comparison of Alemtuzumab vs. Antithymocyte Globulin.

    N. Bossini,1 S. Sandrini,1 R. Tardanico,2 F. Valerio,1 G. Setti,1 C. Salviani,1 S. Possenti,1 P. Foini,1 E. Marta,1 G. Cancarini.1

    1Division and Chair of Nephrology, A.O "Spedali Civili" and University, Brescia, Italy; 2Division and Chair of II Laboratory of Pathology, A.O "Spedali Civili" and University, Brescia, Italy.

    Induction therapy with depleting antibodies reduces rejection rate and potentially improves efficacy of steroid free regimens after renal transplantation.This prospective, single-centre, cohort study evaluated cumulative…
  • 2016 American Transplant Congress

    Urine Cell-Free Supernatant Metabolites Diagnostic of Antibody Mediated Rejection in Kidney Allografts.

    M. Alkadi,1 J. Lee,1 D. Dadhania,1 T. Muthukumar,1 C. Snopkowski,1 C. Li,1 S. Salvatore,1 S. Seshan,1 K. Suhre,2 M. Suthanthiran.1

    1Weill Cornell Medicine, NY; 2Weill Cornell Medical College-Qatar, Doha, Qatar.

    Introduction:Urine cell-free supernatant metabolite profiles provide a unique opportunity to interrogate intra-graft processes and have distinguished acute cellular rejection from no rejection in the Clinical…
  • 2016 American Transplant Congress

    DSA After Transplant Increases Risk of Renal Allograft Failure Independent of Concurrent Biopsy Results: The DEKAF Study Data.

    J. Cecka,1 J. Grande,2 F. Cosio,2 R. Leduc,3 The DeKAF Study Group.

    1UCLA Immunogenetics Center Department of Pathology, University of California-Los Angeles, Los Angeles, CA; 2Department of Lab Medicine & Pathology, Mayo Clinic College of Medicine, Rochester, MN; 3Department of Biostatistiscs, University of Minnesota School of Public Health, Minneapolis, MN.

    Donor-specific HLA antibodies (DSA) are a major cause of renal allograft dysfunction and loss following transplant. The presence of DSA, with or without C4d deposition,…
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