ATC Abstracts

American Transplant Congress abstracts

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  • 2022 American Transplant Congress

    Retransplantation in a High-Volume Institution: Historical, Socioeconomic and Survival Trends

    D. von Ahrens, O. Sulimani, M. Holzner, M. Akhtar, S. Florman, A. Arvelakis

    The Mount Sinai Hospital, New York, NY

    *Purpose: Retransplantation for liver allograft failure is a challenge within the field. The evolution of organ allocation policy from Child to MELD in 2002 and…
  • 2022 American Transplant Congress

    Single Blind Randomized Controlled Trial Comparing BNT162b2 Vs JNJ-78436735 Vaccine As An Additional Dose After Two Doses Of BNT162b2 Vaccine In Solid Organ Transplant (SOT) Recipients

    Y. Natori1, E. Martin2, A. Mattiazzi3, J. Bini Viotti1, K. S. Ortecho4, S. Pallikkuth5, S. Anjan1, J. Simkins1, G. Guerra3

    1Department of Medicine, Division of Infectious Diseases, University of Miami, Miami, FL, 2Department of Medicine, Division of Hepatology, University of Miami, Miami, FL, 3Department of Medicine, Division of Nephrology, University of Miami, Miami, FL, 4Miami Transplant Institute, Jackson Health System, Miami, FL, 5University of Miami, Miami, FL

    *Purpose: Even though a high efficacy and immunogenicity of COVID-19 vaccines have been reported in the general population, vaccine immunogenicity is suboptimal in SOT recipients…
  • 2022 American Transplant Congress

    CD8+ T Cells Differentiate into a CD43-expressing Effector Population After Transplantation

    G. Cohen, M. A. Kallarakal, S. M. Krummey

    Department of Pathology, Johns Hopkins University, Baltimore, MD

    *Purpose: Despite a significantly reduced toxicity profile and improved long-term graft function versus calcineurin inhibitors, widespread adaptation of belatacept (CTLA-4 Ig) has been limited due…
  • 2022 American Transplant Congress

    Superoxide in Cardiac Allografts from Donors After Circulatory Death

    M. Urban1, T. Bruett2, K. F. Duncan1, N. W. Markin3, M. M. Chacon3, M. C. Zimmerman4

    1Department of Surgery. Division of Cardiothoracic Surgery, University of Nebraska Medical Center, Omaha, NE, 2College of Medicine. Department of Cellular and Integtrative Physiology., University of Nebraska Medical Center, Omaha, NE, 3Department of Anesthesiology, University of Nebraska Medical Center, Omaha, NE, 4Department of Cellular and Integrative Physiology, University of Nebraska Medical Center, Omaha, NE

    *Purpose: Quality of cardiac allografts from donors after circulatory death (DCD) is adversely impacted by warm ischemia and subsequent reperfusion during organ resuscitation. Post-transplant myocardial…
  • 2022 American Transplant Congress

    The Role of Donor Sex in Females Undergoing Repeat Kidney Transplant: Does Prior Donor Sex Matter?

    S. Craig1, K. Tennankore2, A. J. Vinson2

    1Dalhousie University, Halifax, NS, Canada, 2Nova Scotia Health Authority, Halifax, NS, Canada

    *Purpose: Female recipients of male donor kidneys are at increased risk for graft failure compared with all other donor-recipient sex pairings. The presumed mechanism relates…
  • 2022 American Transplant Congress

    Pegylated Lacritin N-104 Promotes Mouse Islet Stabilization and Prevents Diabetes Progression in the Non-Obese Diabetic (NOD) Mouse Model

    M. Ma1, P. Chhabra1, G. Laurie2, K. L. Brayman1

    1Department of Surgery, University of Virginia Health System, Charlottesville, VA, 2Department of Cell Biology, University of Virginia Health System, Charlottesville, VA

    *Purpose: To investigate if PEGylated Lacritin N-104 (PEG N-104) prevents the progression of type 1 diabetes (T1D) in the NOD mouse.*Background: Lacritin is a multifunctional…
  • 2022 American Transplant Congress

    Tissue Engineering Scaffolds for Minimally Invasive Immunosurveillance of Acute Cellular Graft Rejection

    R. R. Urie1, D. Farris2, A. Morris1, E. Lombard1, J. Z. Li3, D. Goldstein2, L. Shea1

    1Biomedical Engineering, University of Michigan, Ann Arbor, MI, 2Internal Medicine, University of Michigan, Ann Arbor, MI, 3Human Genetics, University of Michigan, Ann Arbor, MI

    *Purpose: As there is no assay to predict the risk of acute cellular allograft rejection (ACAR), clinicians rely on protocol graft biopsy and aggressive, one-size-fits-all…
  • 2022 American Transplant Congress

    HLA-II Subclasses Behave Differently Between Themselves and Between Humans: Cues to Understand Alloreactivity

    S. Beland, O. Desy, M. Marcoux, M. Thivierge, J. Desgagnes, S. A. De Serres

    Transplantation Unit, Renal Division, University Health Center of Quebec, Faculty of Medicine, Universite Laval, Quebec, QC, Canada

    *Purpose: De novo anti-HLA-II DSAs (dnDSA) are associated with antibody-mediated rejection. However, some patients with anti-HLA-II DSAs will not develop rejection, suggesting that the development…
  • 2022 American Transplant Congress

    A Randomised Trial Of Normothermic Machine Perfusion Versus Static Cold Storage In Donation After Circulatory Death Renal Transplantation

    S. Hosgood1, C. Callaghan2, C. Wilson3, G. Oniscu4, B. Phillips5, L. Bates3, L. Smith6, M. L. Nicholson7

    1Surgery, University of Cambridge, Cambridge, United Kingdom, 2Transplant, Guys & St Thomas's, London, United Kingdom, 3Transplant, Freeman Hospital, Newcastle, United Kingdom, 4Edinburgh Royal Infirmary, Edinburgh, United Kingdom, 5Transplant, Guy's & St Thomas's, London, United Kingdom, 6NHSBT, NHSBT, Bristol, United Kingdom, 7University of Cambridge, Cambridge, United Kingdom

    *Purpose: Kidneys from donation after circulatory death (DCD) donors are more susceptible to cold storage injury and have a high risk of delayed graft function…
  • 2022 American Transplant Congress

    Functional Recellularized Patient Derived Endothelium; A Human Vascular Graft Approach

    H. Tejeda Mora1, J. Willemse2, Y. den Hartog1, I. Schurink2, M. M. Verstegen2, J. de Jonge2, R. C. Minnee2, M. W. van den Hoogen2, C. C. Baan1, L. J. van der Laan2, M. J. Hoogduijn1

    1Transplant Institute - Internal Medicine, Erasmus Medical Center, Rotterdam, Netherlands, 2Transplant Institute - Department of Surgery, Erasmus Medical Center, Rotterdam, Netherlands

    *Purpose: In transplantation, the endothelial lining is the first barrier between the donor organ and recipient immune system. Damaged endothelium exposes extracellular matrix (ECM) molecules…
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