ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Rejection"

  • 2022 American Transplant Congress

    The Successful Use of De Novo Belatacept with Reduced Dose Tacrolimus to Mitigate the Risks of Delayed Graft Function in Kidney Transplantation

    E. Siskind1, J. Splinter1, C. Taing1, A. Adekile2, S. Njim1, S. Shah1, R. Plews3, D. Conti4, S. Patel2

    1Center for Transplantation, University Medical Center of Southern Nevada, Las Vegas, NV, 2University Medical Center of Southern Nevada, Las Vegas, NV, 3Center for Transplantation, Albany Medical Center, Albany, NY, 4Albany Medical Center, Albany, NY

    *Purpose: The new kidney allocation system has caused increased organ travel times and therefore increased cold ischemia time. Furthermore, the change in the priority to…
  • 2022 American Transplant Congress

    Kidney Allograft Injury is Reflected in the DNA Cargo of Urinary Extracellular Vesicles

    I. Sedej1, M. Štalekar2, M. Tušek Žnidarič2, K. Goričar3, N. Kojc4, P. Kogovšek2, V. Dolžan3, M. Lenassi3, M. Arnol1

    1Department of Nephrology, University Medical Centre Ljubljana, Ljubljana, Slovenia, 2Department of Biotechnology and Systems Biology, National Institute of Biology, Ljubljana, Slovenia, 3Institute of Biochemistry and Molecular Genetics, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia, 4Institute of Pathology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia

    *Purpose: Following cell injury, donor-derived cell-free DNA (ddcfDNA) is increased in the urine of kidney transplant recipients. DNA containing urinary extracellular vesicles (uEVs) are relevant…
  • 2022 American Transplant Congress

    Recipient Neutrophil Production of Myeloperoxidase is Required for NK Cell Activation During Acute Antibody Mediated Allograft Rejection

    Y. Mitsui1, D. Ueda1, S. Miyairi1, N. Dvorina1, K. S. Keslar1, A. Valujskikh1, B. William1, R. Fairchild2

    1Inflammation & Immunity, Cleveland Clinic, Cleveland, OH, 2Cleveland Clinic Foundation, Cleveland, OH

    *Purpose: Dysregulated donor-specific antibody (DSA) responses are induced in B6.CCR5-/- mice transplanted with complete MHC mismatched A/J kidney allografts and are required for rejection of…
  • 2022 American Transplant Congress

    The Impact of Food Insecurity on Pediatric Kidney Transplant Outcomes

    A. Moin, J. Krissberg, D. Matossian, P. Verghese

    Pediatric Nephrology, Lurie Children's Hospital, Chicago, IL

    *Purpose: We previously demonstrated a prevalence of food insecurity (FI) of 26.7% at our institution, in a pilot study of 45 pediatric kidney transplant (pedsKTx)…
  • 2022 American Transplant Congress

    Donor-Derived IL-33 Plays a Critical Role in Lung Allograft Acceptance

    Y. Guo1, Z. Mei1, M. Khalil1, D. Li1, A. Banerjee1, A. Gelman2, D. Kreisel2, A. Krupnick1

    1Department of Surgery, University of Maryland, Baltimore, Baltimore, MD, 2Washington University School of Medicine in St Louis, Saint Louis, MO

    *Purpose: IL-33 is considered an alarmin secreted in response to tissue damage. While it is elaborated by the lung allograft as part of ischemia-reperfusion injury…
  • 2022 American Transplant Congress

    The Correlation of Dd-cfdna and Donor Specific Antibodies in Kidney Transplant Recipients

    S. Kant, T. Ishaque, A. Massie, D. C. Brennan, M. Bettinotti

    Johns Hopkins Hospital, Baltimore, MD

    *Purpose: Donor derived cell free DNA (dd-cfDNA) is increasingly being utilized to discern the presence of rejection in kidney transplant recipients (KTRs). There continues to…
  • 2022 American Transplant Congress

    Safety of Stimulant Use in Heart Transplant Recipients

    K. Callaghan1, M. Norris1, C. Sammons1, T. Fallah1, H. Eldabbas1, X. Liu1, T. Wang2

    1Pharmacy, Hospital of the Univ of Pennsylvania, Philadelphia, PA, 2Cardiovascular Medicine, Hospital of the Univ of Pennsylvania, Philadelphia, PA

    *Purpose: FDA-approved prescribed stimulants are purported to increase risk of cardiovascular (CV) adverse events, particularly arrhythmias and sudden cardiac death. Debate exists regarding the safety…
  • 2022 American Transplant Congress

    The Relative Association of Clinical Variables and Histologic Lesions with Molecular Rejection in Kidney Transplant Biopsies

    M. L. Sikosana1, J. Reeve2, P. F. Halloran2, INTERCOMEX Investigators3

    1University of Alberta, Edmonton, AB, Canada, 2Alberta Transplant Applied Genomics Centre, Edmonton, AB, Canada, 3INTERCOMEX, Edmonton, AB, Canada

    *Purpose: Availability of molecular assessment (MMDx) independent of conventional variables (time, clinical, histologic, and HLA antibody) presents an opportunity to re-assess the relative strength of…
  • 2022 American Transplant Congress

    Surveillance of Donor-Derived Cell-Free DNA Throughout Treatment of Acute Rejection in Pediatric Renal Transplant Recipients

    K. A. Klein1, E. L. Kincaide1, M. Fei2, A. M. Bell2, M. Y. Arar3, D. Ranch3

    1Pharmacotherapy Education and Research Center, UT Health San Antonio, San Antonio, TX, 2CareDx, Inc., Brisbane, CA, 3Long School of Medicine, UT Health San Antonio, San Antonio, TX

    *Purpose: Donor-derived cell-free DNA (dd-cfDNA) is a dynamic plasma biomarker for allograft rejection with limited data in pediatric renal transplant recipients and few reports describing…
  • 2022 American Transplant Congress

    The Natural History of De Novo DSA After Kidney Transplantation

    C. López del Moral1, N. Lachmann2, S. Hergovits2, D. Stauch2, A. Akifova3, M. Naik3, B. Osmanodja3, D. Schmidt3, K. Budde3

    1Nephrology department-IDIVAL, Hospital Universitario Marqués de Valdecilla, Santander, Spain, 2Institute for Transfusion Medicine, HLA-Laboratory, Charité - Universitätsmedizin, Berlin, Germany, 3Department of Nephrology and Medical Intensive Care, Charité - Universitätsmedizin, Berlin, Germany

    *Purpose: De novo donor-specific antibodies(dnDSA) are key in the diagnosis of antibody-mediated rejection(ABMR) and are related to graft loss(GL). Luminex® provides semi-quantitative information with the…
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