ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Rejection"

  • 2020 American Transplant Congress

    Chronic Active T-Cell Mediated Rejection is Variably Responsive to Immunosuppressive Therapy

    V. Kung1, M. Haas1, M. Gillespie2, E. Huang2, R. Sandhu2

    1Pathology, Cedars-Sinai Medical Center, Los Angeles, CA, 2Comprehensive Transplant Center, Cedars-Sinai Medical Center, Los Angeles, CA

    *Purpose: Chronic active T cell-mediated rejection (CACMR) is a newly described variant of kidney allograft rejection associated with long-term graft loss. A key histologic feature…
  • 2020 American Transplant Congress

    The Use of Allosure Donor Derived Cell-Free DNA in a Community Based Kidney Transplant Program

    V. Scantlebury, S. Gilibert, C. Sentman, H. Chang-DeGuzman, S. Swanson

    Kidney Transplantation, Christiana Care Hospital, Newark, DE

    *Purpose: Donor derived cell-free DNA (dd-cfDNA) has emerged as a marker of kidney allograft injury. Beginning in 2019, the dd-cfDNA monitoring has been introduced as…
  • 2020 American Transplant Congress

    Parathyroidectomy Post Kidney Transplant: A Single Center Report of Short Term Outcomes

    S. Ong, F. Saad, K. Wille, C. Kew

    University of Alabama at Birmingham, Birmingham, AL

    *Purpose: Whether parathyroidectomy in ESRD patients should be performed before or after kidney transplant remains controversial. There is concern that post-transplant parathyroidectomy can adversely affect…
  • 2020 American Transplant Congress

    Gene Expression Signatures Associated with Antibody-Mediated Rejection (ABMR) in Renal Allograft Biopsies (Bx) Are Beneficial to Clarifying ABMR Activity in Ambivalent Cases

    H. Zhang1, C. C. Nast2, N. Ammerman3, A. A. Vo3, I. Gallegos3, M. Arevalo3, S. C. Jordan3, M. Toyoda1

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

    *Purpose: “Thoroughly validated gene transcripts” in renal Bx was adopted as one of the criteria for ABMR diagnosis in the latest Banff classification. Here, we…
  • 2020 American Transplant Congress

    Change In i-IFTA Associated with Treatment of Rejection

    N. Garg, B. C. Astor, S. Parajuli, F. Aziz, M. Mohamed, W. Zhong, A. Djamali, D. A. Mandelbrot

    UW-Madison, Madison, WI

    *Purpose: Recent studies have shown that inflammation in areas of interstitial fibrosis and tubular atrophy (i-IFTA) is associated with worse kidney allograft outcomes. How i-IFTA…
  • 2020 American Transplant Congress

    Novel Role of Qa-1, a Murine Homolog of HLA-E, in Controlling Follicular Helper T Cells During Humoral Alloimmunity

    J. Y. Choi1, S. K. Eskandari1, S. Cai1, J. Assaker1, I. Sulkaj1, H. Allos1, J. Alhaddad1, P. Chu1, H. Kim2, H. I. Cantor2, J. R. Azzi1

    1Medicine, Brigham and Women's Hospital, Boston, MA, 2Immunology, Dana Farber Cancer Institute, Boston, MA

    *Purpose: Antibody-mediated rejection (AMR) is a major challenge in prolonging allograft survival. Limited insight into the humoral alloimmunity hinders the development of therapeutic strategies. We…
  • 2020 American Transplant Congress

    The Use of Cell-Free MicroRNAs for the Diagnosis of Allograft Rejection in Liver Transplant Recipients Using Standard and Novel Direct Detection Platforms

    T. Kohut1, B. Chang2, J. Wen1, A. Shaked2, B. Keating2

    1Division of Gastroenterology, Hepatology & Nutrition, Department of Pediatrics, The Children's Hospital of Philadelphia, Philadelphia, PA, 2Hospital of the University of Pennsylvania, Penn Transplant Institute, Philadelphia, PA

    *Purpose: Standard immunosuppression therapy (IST) in liver transplant (LTx) recipients requires a delicate balance to prevent side effects and allograft rejection (AR). There is no…
  • 2020 American Transplant Congress

    Improved Platelet Sequestration with Humanization of Von Willebrand Factor in Pig Xenogeneic Lung Perfusion Model

    M. R. Connolly1, L. Burdorf1, Z. Abady1, S. Sendil2, E. Redding2, B. Cerel1, S. Pratts1, C. Phelps3, W. Eyestone3, D. Ayares3, A. Azimzadeh1, R. N. Pierson III1

    1Center for Transplantation Sciences, Massachusetts General Hospital, Boston, MA, 2University of Maryland, Baltimore, Baltimore, MD, 3Revivicor, Blacksburg, VA

    *Purpose: Von Willebrand factor (vWF) is an important element of hemostasis and when activated, mediates platelet adhesion and promotes platelet aggregation under shear stress conditions.…
  • 2020 American Transplant Congress

    FcγRIIIb Inhibits Renal Transplant Rejection by Inducing Neutrophils Apoptosis

    J. Zhang, J. Chen

    Kidney Disease Center, The First Affiliated Hospital of Zhejiang University, Hangzhou, China

    *Purpose: Fcγ receptors (FcγR) have been proposed to be involved in the pathogenesis of acute rejection (AR) after organ transplantation. However, the mechanisms by which…
  • 2020 American Transplant Congress

    Treatment of Chronic Active Antibody Mediated Rejection in Kidney Transplant Recipients is Associated with Increased Risk of Urinary Tract Infections and Pneumonia

    E. Joachim, S. Parajuli, K. Swanson, F. Aziz, N. Garg, M. Mohamed, D. Mandelbrot, A. Djamali

    University of Wisconsin, Madison, WI

    *Purpose: Infections are a common cause of morbidity and mortality after kidney transplantation. Chronic active antibody mediated rejection (cABMR) is a leading cause of kidney…
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