ATC Abstracts

American Transplant Congress abstracts

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  • 2022 American Transplant Congress

    Polarized Il-6 Secretion from Lymphatic Endothelial Cells Promotes Treg Conversion to Extregs

    V. Saxena1, W. Piao1, L. Li1, M. W. Shirkey1, R. Lakhan1, S. Walden2, K. L. Hippen2, B. Blazar2, J. S. Bromberg1

    1University of Maryland School of Medicine, Baltimore, MD, 2University of Minnesota, Minneapolis, MN

    *Purpose: Regulatory T cell (Treg) suppressor function and allograft protection depend on maintenance of transcription factor Foxp3 expression and lymphatic migration. Lymphatic endothelial cell (LEC)…
  • 2022 American Transplant Congress

    Predictors of Delayed Kidney Graft Function Following Combined Liver and Kidney Transplantation

    P. Vincenzi1, J. Gaynor2, R. Vianna3, G. Ciancio3

    1General Surgery, Ospedali Riuniti Marche Nord, Pesaro, Italy, 2General Surgery, Miami Transplant Institute, Miami, FL, 3Transplant Surgery, Miami Transplant Institute, Miami, FL

    *Purpose: Combined liver and kidney transplantation (CLKT) improves the survival in liver transplant recipients with renal dysfunction. However, kidney DGF (kDGF) still represents a common…
  • 2022 American Transplant Congress

    An Initial Analysis of Baseline Levels of Dd-cfdna After Pancreas Transplantation: A Prospective Study from High-Volume Centers in the United States

    A. Yoo1, I. Qian1, A. Riedel1, G. Kibria1, A. Bartosic1, R. Soltani2, O. Nduanya3, M. Omidi3, J. S. Odorico2, P. L. Abrams3, M. Cooper3, J. S. Bromberg1, J. R. Scalea1

    1University of Maryland School of Medicine, Baltimore, MD, 2University of Wisconsin School of Medicine, Madison, WI, 3Georgetown University School of Medicine, Washington, DC

    *Purpose: Donor-derived cell-free DNA (dd-cfDNA) testing, which has been validated for monitoring kidney transplant (KTx) rejection, may provide an alternative to pancreas biopsy that prevents…
  • 2022 American Transplant Congress

    Alcohol Renal Syndrome: Alcohol Related Liver Disease for Liver Transplant is Associated with Renal Dysfunction

    J. Lee, K. Okumura, R. Misawa, H. Sogawa, G. Veillette, D. John, B. Partiula, R. Bodin, D. C. Wolf, T. Diflo, S. Nishida

    Westchester Medical Center / New York Medical College, Valhalla, NY

    *Purpose: Liver transplantation (LT) due to alcohol related liver disease (ALD) has been increasing in the US. Alcohol has been known to increase the risk…
  • 2022 American Transplant Congress

    Incidence of Posttransplant Lymphoproliferative Disorder with Belatacept Therapy versus Calcineurin Inhibitor Therapy Alone: Data from One Academic Medical Center

    K. Addonizio1, G. Petrossian1, A. Hsiao1, L. Teixeira1, N. Koizumi2, R. James2, S. Patel3, R. Plews1, D. Conti1, J. Ortiz1

    1Division of Renal and Pancreatic Transplant Services, Albany Medical Center, Albany, NY, 2George Mason University, Fairfax, VA, 3UMC Las Vegas, Las Vegas, NV

    *Purpose: To compare rates of post-transplant lymphoproliferative disorder (PTLD) in patients treated with Belatacept and low-dose calcineurin inhibitors (CNIs) versus patients only treated with standard-dose…
  • 2022 American Transplant Congress

    Validation of Shared T Cell Epitope Analysis as a Tool to Detect Preformed Donor-Reactive CD4+ Memory T-helper Cells

    T. Tomosugi1, K. Iwasaki2, S. Sakamoto3, K. Ftamura1, M. Okada1, T. Hiramitsu1, N. Goto1, S. Narumi1, Y. Watarai1, T. Kobayashi4

    1Transplant Surgery, Japanese Red Cross Aichi Medical Center Nagoya Daini Hospital, Nagoya, Japan, 2Department of Kidney Diseases and Transplant Immunology, Aichi Medical University School of Medicine, Nagoya, Japan, 3Histocompatibility Laboratory, Japanese Red Cross Aichi Medical Center Nagoya Daini Hospital, Nagoya, Japan, 4Renal Transplant Surgery, Aichi Medical University School of Medicine, Nagakute, Japan

    *Purpose: Adaptive immunity creates immunological memory after the first response to a specific foreign antigen including HLA. During this response, adaptive immunity memorizes the molecular…
  • 2022 American Transplant Congress

    Clinical Outcomes In A Large Transplant Cohort Hospitalized With COVID-19: Mycophenolate Mofetil (MMF) Utilization And Mortality Trends

    R. L. Gottlieb1, M. Askar2, L. Chen3, A. Chandak4, E. Mozaffari3, M. Thrun3, R. Haubrich3

    1Baylor Scott & White Research Institute, Dallas, TX, 2Baylor University Medical Center, Dallas, TX, 3Gilead Sciences, Foster City, CA, 4Certara, New York, NY

    *Purpose: To characterize demographics, treatment patterns, and outcomes among 3,998 transplant patients hospitalized for COVID-19 over 16 months of the pandemic (May ’20-Aug ’21).*Methods: Adult…
  • 2022 American Transplant Congress

    Three‐Month Pancreas Graft Function Significantly Influences Survival Following Simultaneous Pancreas‐Kidney Transplantation in Type 1 Diabetes Patients

    M. Ji1, S. Chang1, M. Wang1, K. Lentine2, M. Merzkani1, H. Murad1, M. M. Ibrahim1, M. Zayed1, J. Wellen1, S. Sutcliffe1, T. Alhamad1

    1Washington University in St. Louis, Saint Louis, MO, 2Saint Louis University, Saint Louis, MO

    *Purpose: Simultaneous pancreas-kidney transplantation (SPK) is the only persistently successful treatment option for patients with diabetes mellitus and end-stage renal disease. However, SPK carries a…
  • 2022 American Transplant Congress

    Prediction of Waitlist Mortality in Liver Transplant Candidates: Do Time-Varying Models Help?

    A. Kwong1, W. Kim1, D. Schladt2, A. Wey2, J. Snyder2, A. Israni2, J. Lake3

    1Stanford University, Stanford, CA, 2Hennepin Healthcare Research Institute, Minneapolis, MN, 3University of Minnesota, Minneapolis, MN

    *Purpose: In the United States, priority on the liver transplant waitlist is determined by the model for end-stage liver disease (MELD)-Na, a score composed of…
  • 2022 American Transplant Congress

    Immune Checkpoints, Immune Cells, and MHC Expression in the Tumor Microenvironment of Resected Hepatocellular Carcinomas

    A. Baquerizo1, V. Vavinskaya2, S. Bagsic1, A. Rojas3, A. Mhoyan4, C. Frenette1, L. Sher5, M. Romero3, J. Fisher1, C. Marsch1, R. Schaffer1

    1Scripps, La Jolla, CA, 2UCSD, San Diego, CA, 3University, Seville, Spain, 4Kaiser, San Diego, CA, 5USC, Los Angeles, CA

    *Purpose: Advances in tumor biology has shown the important role of the tumor microenvironment (TME) in tumor growth and metastasis. A better understanding of the…
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