ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Rejection"

  • 2017 American Transplant Congress

    Effects of Anti-HLA Antibodies on Endothelial Expression and Serum Levels of Thrombomodulin in Kidney Recipients.

    S. Beland, O. Desy, P. Valin, S. De Serres.

    Medicine, Universite Laval, Quebec, QC, Canada

    Background: Thrombomodulin (TBM) is an anticoagulant and anti-inflammatory protein expressed on endothelial cells (ECs). Mutations of TBM are seen in thrombotic microangiopathies due to aHUS.…
  • 2017 American Transplant Congress

    HLA Mismatching Does Not Have an Impact on Graft or Patient Survival in Simultaneous Kidney-Pancreas Transplantation. A Single Institution Experience.

    I. Moinuddin, M. Yaqub, T. Taber, D. Mishler, M. Mujtaba, J. Powelson, O. Adebiyi, J. Fridell, A. Sharfuddin.

    Indiana University Health, Indianapolis

    Purpose: There is conflicting data on whether the level and type of HLA mismatching (MM) has an impact on pancreas, kidney, or patient survival in…
  • 2017 American Transplant Congress

    High Risk Renal Transplant Recipients on Steroid Free Immunosupression Regimen. Indiana University Experience.

    O. Adebiyi, S. Hussain, D. Mishler, W. Goggins, M. Yaqub, T. Taber, A. Sharfuddin.

    Renal Transplant, Indiana University School of Medicine, Indianapolis, IN

    Background : Immunologic risk often influence the choice immunosuppressive regimen used in renal transplant recipient. Patient with positive flow cytometry crossmatch (FCXM) or presence of…
  • 2017 American Transplant Congress

    Rabbit Anti-Human Thymocyte Immunoglobulin (rATG) for Rescue Treatment of Chronic Antibody-Mediated Rejection (cAMR) After Pediatric Kidney Transplantation.

    L. Pape, T. Ahlenstiel-Grunow, J. Drube, M. Kreuzer, C. Lerch, N. Kanzelmeyer, S. Wente, I. Hennies, Y. Cihan.

    Pediatric Nephrology, Hannover Medical School, Hannover, Germany

    Background. Chronic antibody-mediated rejection (cAMR) is the leading cause of long-term graft loss after kidney transplantation. Treatment guidelines include rituximab, immunoadsorption, immunoglobulins and/or bortezomib, but…
  • 2017 American Transplant Congress

    Compartmental Infiltration of Kidney Allograft with Monocyte-Macrophage Subtypes Defines the Type of Rejection.

    T. van den Bosch,1 M. Clahsen-van Groningen,2 F. Rezaee,3 D. Hesselink,1 D. Nieboer,4 E. Steyerberg,4 C. Baan,1 A. Rowshani.1

    1Internal Medicine, Erasmus University Medical Center, Rotterdam, Netherlands; 2Pathology, Erasmus University Medical Center, Rotterdam, Netherlands; 3Gastroenterology, Erasmus University Medical Center, Rotterdam, Netherlands; 4Public Health, Erasmus University Medical Center, Rotterdam, Netherlands

    Purpose: Rejection significantly worsens the graft function and survival. We studied monocyte-macrophage compartmental infiltration of 62 kidney transplant biopsies with diagnosis of: acute antibody mediated…
  • 2017 American Transplant Congress

    Ectopic Lymphoid Structures Are Present in Type I T-Cell Mediated Kidney Transplant Rejection.

    K. de Leur,1,2 M. Clahsen-van Groningen,3 G. de Graav,1 D. Hesselink,1 J. Samsom,4 C. Baan,1 K. Boer.1

    1Internal Medicine, Erasmus MC, Rotterdam, Netherlands; 2Surgery, Division HPB and Transplant Surgery, Erasmus MC, Rotterdam, Netherlands; 3Pathology, Erasmus MC, Rotterdam, Netherlands; 4Pediatrics, Erasmus MC, Rotterdam, Netherlands

    BackgroundIn renal transplantation, many allograft recipients develop donor-specific antibodies associated with an increased risk for graft rejection. Current immunosuppressive agents are principally aimed at T-cell-mediated…
  • 2017 American Transplant Congress

    Belatacept for Chronic Antibody-Mediated Rejection in Kidney Transplantation.

    D. Kumar,1 G. Gupta,1 J. Reeve,2 P. Sanghi,1 S. Bobba,1 M. Levy,1 C. Bhati,1 P. Kimball,1 H. Fattah,1 A. King,1 H. Massey,1 P. Halloran.2

    1Virginia Commonwealth University, Richmond; 2Alberta Transplant Applied Genomics Center, Edmonton, Canada

    Background: Chronic antibody mediated rejection (cAMR) is a major cause of long-term kidney transplant (KT) loss. Antibody or immune cell depletional therapies have unclear efficacy…
  • 2017 American Transplant Congress

    Donor-Derived Cell-Free DNA Correlates with Antibody-Mediated Rejection in Kidney Allografts.

    R. Bloom,1 J. Bromberg,2 E. Poggio,3 D. Hiller,4 R. Woodward,4 J. Sninsky,4 J. Yee,4 D. Brennan.5

    1University of Pennsylvania, Philadelphia, PA; 2University of Maryland, Baltimore, MD; 3Cleveland Clinic, Cleveland, OH; 4CareDx, Brisbane, CA; 5Washington University, St. Louis, MO

    Purpose: Donor-derived cell-free DNA (dd-cfDNA) is a noninvasive test of allograft injury that may enable more frequent, quantitative, and safer assessment of allograft rejection and…
  • 2017 American Transplant Congress

    Dysregulated Innate Immune Response Is a Robust Predictor of Allograft Injury and Survival Across All Transplanted Organs.

    T. Azad,1 M. Donato,1 L. Heylen,2 S. Shen-Orr,3 T. Sweeney,1 M. Naesens,2 P. Khatri.1

    1Institute for Immunity, Transplantation and Infection, Stanford University, Stanford, CA; 2University of Leuven, Leuven, Belgium; 3Technion-Israel Institute of Technology, Haifa, Israel

    ObjectiveLate allograft failure is characterized by long-term cumulative effects of subclinical allograft injury. An optimal biomarker diagnoses acute rejection (AR), correlates with ongoing graft damage,…
  • 2017 American Transplant Congress

    Microcirculation Inflammation in Kidney Allograft Biopsies.

    M. Giordani,1 M. Bedini Rocca,1 S. Groppa,1 C. Mombelli,1 S. Christiansen,2 M. Ocampo,1 G. Rosa Diez,1 N. Imperiali.1

    1Nephrology, Hospital Italiano, Buenos Aires, Argentina; 2Pathology, Hospital Italiano, Buenos Aires, Argentina

    Introduction: The Microcirculation Inflammation (IM) in kidney transplants is a strong predictor of graft loss inde-pedent of C4d and donor specific antibody(DSA)ObjetiveAnalysis of kidney allograft…
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