ATC Abstracts

American Transplant Congress abstracts

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  • 2020 American Transplant Congress

    Trends in Living Kidney Donation in the United States

    A. Ferzola, Y. Yu, A. B. Massie, D. L. Segev, M. L. Henderson

    Johns Hopkins University, Baltimore, MD

    *Purpose: After peaking in 2014, the number of LKDTs per year dropped substantially in the US despite an increasing waitlist. However, trends in the KAS…
  • 2020 American Transplant Congress

    p40 Homodimers Indirectly Induce Endogenous Donor-Reactive Memory CD8 T Cell Activation within High-Risk Cardiac Allografts and CTLA-4ig Resistant Graft Rejection via IL-15 Signaling

    H. Tsuda, A. Valujskikh, R. Fairchild

    Inflammation and Immunity, Cleveland Clinic, Cleveland, OH

    *Purpose: We have reported that longer duration of cold ischemic storage (CIS) prior to transplant resulted in increased proliferation of endogenous donor-reactive CD8 T cells…
  • 2020 American Transplant Congress

    Allograft Repopulating Recipient B Cells after Human Intestinal Transplantation and Their Association with Donor Specific Antibody Secretion and Rejection

    E. Waffarn1, J. Fu1, K. Frangaj1, W. Meng2, A. M. Rosenfeld2, M. Li3, K. Rodgers1, R. Vasilescu3, E. T. Luning Prak2, A. Griesemer1, T. Kato4, M. Martinez5, M. Sykes1

    1Columbia Center for Translational Immunology, Department of Medicine, Columbia University, New York, NY, 2Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA, 3Department of Pathology, Columbia University, New York, NY, 4Department of Surgery, Columbia University, New York, NY, 5Department of Pediatrics, Columbia University, New York, NY

    *Purpose: Alloantibodies produced by recipient B cells are associated with rejection after intestinal transplantation (ITx) and negatively impact patient and graft survival. However, the dynamics…
  • 2020 American Transplant Congress

    Improved Medication Safety Outcomes with a Mobile Health, Pharmacist-Led Intervention: Results of the TRANSAFE Rx Randomized Controlled Trial

    H. Gonzales, J. Fleming, M. Gebregziabher, J. McGillicuddy, D. Taber

    MUSC, Charleston, SC

    *Purpose: Medication (med) safety events are a predominant cause of poor health outcomes, particularly within high-risk groups such as kidney transplant (KTX) recipients. The primary…
  • 2020 American Transplant Congress

    Single Cell RNA Sequencing of Normal Kidney Allograft Surveillance Biopsies Show Evidence of Dynamic Glomerular Endothelial Cell Activation

    A. S. Naik, R. Menon, E. Otto, C. C. Berthier, E. Farkash, S. P. Norman, M. Kretzler

    University of Michigan, Ann Arbor, MI

    *Purpose: Indication and surveillance biopsy studies show a high prevalence of post kidney transplant (KT) glomerular disease (ElZoghby 2009,Stegall 2017) that cannot be explained by…
  • 2020 American Transplant Congress

    Improving DRG Based Reimbursement to Reflect Complexity of Kidney Transplant

    I. R. Schwantes1, M. Schnitzler2, K. Lentine2, A. Reed1, D. A. Axelrod3

    1Surgery, University of Iowa, Iowa City, IA, 2Saint Louis University, St. Louis, MO, 3Surgery, Universtiy of Iowa, Iowa City, IA

    *Purpose: More than 90,000 individuals await a kidney transplant (KTx) in the US, yet up to 20% of recovered kidneys are discarded. Organ Transplant Centers…
  • 2020 American Transplant Congress

    Tissue Resident Memory T Cells in Mouse Renal Transplantation

    K. Abou-Daya1, D. Zhao1, R. Tieu1, R. Rammal2, M. Oberbarnscheidt1, F. Lakkis1

    1Starzl Transplantation Institute, Pittsburgh, PA, 2American University of Beirut, Beirut, Lebanon

    *Purpose: The newly identified tissue resident subset of memory T cells (TRM) provides immune surveillance in the tissue and first response against infections. They are…
  • 2020 American Transplant Congress

    Torc1 Inhibition Protects Activated Human Regulatory T Cells from Self-Inflicted Damage via Granzyme B

    J. B. Alhaddad, H. Allos, B. S. Al Dulaijan,, S. K. Eskandari, I. Sulkaj, G. Melhem, J. Y. Choi, J. R. Azzi

    Transplantation Research Center, Brigham and Women's Hospital, Harvard Medical School, Boston, MA

    *Purpose: The use of Regulatory T cells (Tregs) in adoptive cell therapy has been hindered by their short survival following their adoptive transfer. We have…
  • 2020 American Transplant Congress

    Frailty Attenuates the Gender Gap in Waitlist Mortality in Liver Transplant Candidates: A Multi-Center Study with 1,240 Patients with Cirrhosis

    J. C. Lai1, D. R. Ganger2, M. L. Volk3, J. L. Dodge1, M. A. Dunn4, A. Duarte-Rojo5, M. R. Kappus6, R. S. Rahimi7, D. Ladner2, B. Boyarsky8, M. McAdams-DeMarco8, D. L. Segev8, C. E. McCulloch1, E. Verna9

    1UCSF, San Francisco, CA, 2NW, Chicago, IL, 3Loma Linda Univ, Loma Linda, CA, 4UPMC, Pittsburgh, CA, 5UPMC, Pittsburgh, PA, 6Duke, Durham, NC, 7Baylor, Dallas, TX, 8JHMI, Baltimore, MD, 9Columbia, New York, NY

    *Purpose: Women LT candidates experience higher rates of waitlist mortality than men. Frailty is a critical determinant of mortality in patients with cirrhosis but it…
  • 2020 American Transplant Congress

    Additive Effect of Obesity to Hypertension in Living Donors and Their Impact on Glomerular Filtration Rate Compensation with 5 Year Follow-Up

    S. Quadri1, H. Ali2, T. Fulop1, A. Osman3, K. Soliman1

    1Nephrology, Medical University of South Carolina, Charleston, SC, 2Renal Medicine, Royal Stoke University Hospital, Stoke-on-Trent, United Kingdom, 3Nephrology, Cairo University, Cairo, Egypt

    *Purpose: Current data suggest that hypertensive donors can be considered for donation; however, the additive adverse effect of obesity and the risk of failing Glomerular…
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