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American Transplant Congress abstracts

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Articles tagged "Rejection"

  • 2021 American Transplant Congress

    Infection Rates in Heart Transplant Recipients With Combined Tacrolimus and Sirolimus at High versus Low Concentrations

    S. Goyal, J. Lyons, J. Negrelli, M. Liebo, A. Heroux

    Loyola University Medical Center, Maywood, IL

    *Purpose: Assess the impact of tacrolimus-sirolimus (TAC/SRL) concentration on infection rate in heart transplant recipients (HTR).*Methods: A retrospective review of HTR on TAC/SRL for ≥…
  • 2021 American Transplant Congress

    The Use of Donor Derived Cell Free DNA in Children to Monitor Therapy of Kidney Rejection

    A. Al-Uzri, M. Wright, K. Clark, R. Jenkins

    Oregon Health & Science Univ, Portland, OR

    *Purpose: Elevated donor-derived cell-free DNA (dd-cfDNA) in the presence of HLA donor-specific antibodies (DSA) are shown to correlate with acute antibody-mediated rejection (AMR) in adult…
  • 2021 American Transplant Congress

    De Novo Membranous Nephropathy Associated with Antibody-mediated Rejection in Renal Transplant Recipients

    M. V. Sousa1, L. G. Fernandes2, L. L. de Freitas3, R. L. Zollner2, M. Mazzali1

    1Internal Medicine - Division of Nephrology, University of Campinas, Campinas, Brazil, 2Internal Medicine, University of Campinas, Campinas, Brazil, 3Pathology, University of Campinas, Campinas, Brazil

    *Purpose: Membranous nephropathy (MN) is a rare autoimmune disease, with the potential to develop a persistent nephrotic syndrome and end-stage chronic renal disease in some…
  • 2021 American Transplant Congress

    Post Pediatric Liver Transplant Immunosuppression: What’s the Caregivers’ Perspective?

    I. D. Batsis1, J. C. Bucuvalas1, E. Eisenberg2, J. Lau2, S. Feng3, E. Perito4

    1Pediatric Hepatology, Mount Sinai Hospital, NY, New York, NY, 2Patient and Family Engaged Partners, SPLIT, New York, NY, 3Pediatric Transplant Surgery, UCSF, San Francisco, CA, 4Pediatric Hepatology, UCSF, San Francisco, CA

    *Purpose: For children with liver transplants (LT), achieving an “ideal outcome” is a balancing act: too little immunosuppression (IS) begets graft injury; too much IS…
  • 2021 American Transplant Congress

    Peripheral Blood Inflammatory Chemokines Uncover Rejection in the Absence of Histological Lesions

    E. Van Loon1, T. Barba2, B. Lamarthée1, A. Senev1, O. Thaunat2, D. Schols3, M. Naesens1

    1Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium, 2Department of Transplantation, Nephrology and Clinical Immunology, Edouard Herriot Hospital Lyon, Lyon, France, 3Laboratory of Virology and Chemotherapy, KU Leuven, Leuven, Belgium

    *Purpose: Cytokines and chemokines play a critical role in the pathophysiology of allograft rejection, but the relation of peripheral blood cytokine expression profiles to clinical…
  • 2021 American Transplant Congress

    The Impact of De Novo Dose-Adjustment Strategies with Tacrolimus XR (LCP-Tac) in Kidney Transplant Recipients

    T. Carcella, F. Bartlett, N. Patel, V. Rohan, D. Taber

    Medical University of South Carolina, Charleston, SC

    *Purpose: LCP-Tac is a once daily formulation of tacrolimus indicated for the prophylaxis of rejection in de novo kidney transplant recipients. It provides less variable…
  • 2021 American Transplant Congress

    Dna-pkcs Regulation of the Allogeneic Immune Response

    L. Burdine, M. Burdine, Z. Waldrip, D. Harrison

    University of Arkansas, Little Rock, AR

    *Purpose: Organ transplantation is life-saving and continued investigations into immunological mechanisms that drive organ rejection are needed to improve immunosuppression therapies and prevent graft failure.…
  • 2021 American Transplant Congress

    DSA Causes Mild Molecular ABMR-like Changes in Many Biopsies Not Diagnosed as Rejection

    P. F. Halloran1, K. S. Madill-Thomsen1, &. the INTERCOMEX Study Group2

    1Alberta Transplant Applied Genomics Centre, Edmonton, AB, Canada, 2., ., AB, Canada

    *Purpose: In the multicenter study INTERCOMEX, we developed a microarray-based system (MMDx) for diagnosing antibody-mediated and T cell-mediated rejection (ABMR, TCMR) in kidney transplant biopsies…
  • 2021 American Transplant Congress

    Ectopic Hepatocyte Transplantation Into the Lymph Nodes in a Fully Mismatched Allogeneic Dog Model Using Tacrolimus and Prednisone

    P. A. Fontes

    NA, LyGenesis, Pittsburgh, PA

    *Purpose: Develop organogenesis through ectopic hepatocyte transplantation (HT) into the upper abdominal lymph nodes (LN).*Methods: Three groups of Mongrel dogs weighting between 25-35 kg (control…
  • 2021 American Transplant Congress

    RNA Sequencing (RNAseq) Tissue Analysis Can Provide Early Warning Signals for Potential Intestinal Transplant Complications

    J. Kang1, L. Belyayev1, O. Aguirre1, K. Khan1, Y. Gusev2, K. Bhuvaneshwar2, H. Ressom3, J. Hawksworth1, C. Matsumoto1, T. Fishbein1, A. Kroemer1

    1MedStar Georgetown Transplant Institute, Washington, DC, 2Georgetown University Medical Center, Innovation Center for Biomedical Informatics, Washington, DC, 3Georgetown University Medical Center, Lombardi Comprehensive Cancer Center, Washington, DC

    *Purpose: A disrupted mucosal barrier in intestinal grafts can cause alloreactive complications such as rejection, inflammation and infection following intestinal transplantation (ITx). We hypothesize that…
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