ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Rejection"

  • 2022 American Transplant Congress

    Utilizing Microporous Annealed Particle (MAP) Gel as an Immunomodulatory Carrier for Islet Delivery

    M. Ma1, P. Chhabra1, C. Roosa2, D. R. Griffin2, K. L. Brayman1

    1Department of Surgery, University of Virginia Health System, Charlottesville, VA, 2Department of Biomedical Engineering, University of Virginia Health System, Charlottesville, VA

    *Purpose: To investigate if coating with MAP gel improves dissociated or whole islet transplantation outcome.*Background: MAP gel platform technology is composed of hydrogel microspheres that…
  • 2022 American Transplant Congress

    Early Outcomes of Single Dose Eculizumab for Abo-Incompatible Living Donor Renal Transplantation

    K. Heagler, M. Campara, P. Di Cocco, S. Gaitonde, I. Tang, J. Almario Alvarez, M. Spaggiari, J. Benken, C. S. Muran, B. Valdepenas, D. Pierce, I. Tzvetanov, E. Benedetti

    UI Health, Chicago, IL

    *Purpose: Use of ABO-incompatible (ABOi) donors increases access to living donor renal transplantation (LDRT). Conventional desensitization with plasmapheresis (PLEX) allows safe ABOi transplantation when pre-transplant…
  • 2022 American Transplant Congress

    Association of Pre-Transplant Anti A1 IgM Antibody Titers with Survival Outcomes in A2/A2B to B Kidney Transplantation

    M. Fallahzadeh, D. Shaffer, A. El Chediak, I. Feurer, S. Rega, J. L. Triozzi, S. Shawar

    Vanderbilt University Medical Center, Nashville, TN

    *Purpose: The new kidney allocation system implemented in 2014 has allowed blood type B recipients to receive kidneys from A2/A2B donors. Although many centers use…
  • 2022 American Transplant Congress

    Evaluating Long Term Outcomes in Kidney Transplant Patients with TruGraf Gene Expression and TRAC Dd-cfdna in the TRULO Study

    P. West-Thielke, W. Ally, J. Hickey, L. Stach, J. Fleming, T. Cober, A. Kawano, I. Agboli, C. Miller, J. Holman

    Eurofins Transplant Genomics, Framingham, MA

    *Purpose: The aim of this study is to evaluate long term clinical outcomes in kidney transplant patients undergoing non-invasive rejection monitoring with the OmniGraf® biomarker…
  • 2022 American Transplant Congress

    Recipient Treatment with Anti-CD122 mAb Prolongs Kidney Allograft Survival During Antibody-Mediated Rejection without Impacting NK Cell Activation within the Graft

    D. Okada, S. Miyairi, N. Dvorina, K. S. Keslar, A. Valujskikh, W. Baldwin, R. Fairchild

    Cleveland Clinic, Cleveland, OH

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

    Long-Term (>1 Year) Rejection Free Graft Survival of Kidney Xenografts with Triple Xenoantigen Knockout and Multiple Human Transgenes in Cynomolgus Monkeys

    T. Hirose1, G. Lassiter1, D. Ma1, A. D'Attilio1, I. Rosales1, D. Cloonan1, R. Matheson1, R. Colvin1, W. Qin2, Y. Kan2, J. Layer2, R. Anand2, V. Paragas2, L. Queroz2, X. Tan2, I. Kohnle2, K. Stiede2, K. Hall2, M. Youd2, M. Curtis2, J. Markmann1, T. Kawai1

    1Center for Transplantation Sciences, Massachusetts General Hospital, Boston, MA, 2eGenesis Inc, Cambridge, MA

    *Purpose: Pigs with deletion of 3 carbohydrate xenoantigens (triple knock-out, TKO) are expected to be optimal donors for human xenotransplantation. We have previously shown that…
  • 2022 American Transplant Congress

    A New Algorithm Combining Donor Derived Cell-Free DNA Fraction and Quantity to Detect Kidney Transplant Rejection Using Molecular Diagnoses and Histology

    P. F. Halloran1, J. Reeve1, K. S. Madill-Thomsen1, N. Kaur2, E. Ahmed2, N. Al Haj Baddar2, Z. Demko2, N. Liang2, R. K. Swenerton2, B. G. Zimmermann2, P. Van Hummelen2, A. Prewett2, H. Tabriziani2, P. Gauthier2, P. R. Billings2

    1Alberta Transplant Applied Genomics Centre, Edmonton, AB, Canada, 2Natera, Inc., Austin, TX

    *Purpose: Donor derived cell-free DNA (dd-cfDNA) has been shown to be associated with allograft rejection, both histological and molecular (JASN, in press). Clinically available dd-cfDNA…
  • 2022 American Transplant Congress

    Pathological Changes in Kidney Allografts Associated with COVID-19 Vaccination

    S. Shelton, N. Hellenga, P. Burke

    Christiana Care Health System - Kidney Transplant Program, Newark, DE

    *Purpose: The Coronavirus Disease 2019 (COVID-19) pandemic prompted widespread vaccination for the immunosuppressed population starting in January 2021 with minimal information on safety outcomes. The…
  • 2022 American Transplant Congress

    Co-stimulation Patways Pd-1 (the Programmed Death 1) And Icos (the Inducible T Cell Co-stimulator) In Peripheral Mononuclear Cells Mesured By Flow Cytometry As A Possible Tool In The Follow-up And Diagnosis Of Kidney Transplant Rejection.

    M. A. Carmona-Escamilla

    Posgrado de Ciencias médicas, Universidad Nacional Autonoma de México, CDMX, Mexico

    *Purpose: Currently, the follow-up of KT in the clinic remains the creatinine levels, this is a highly specific, however, without sensitivity to determine diagnosis of…
  • 2022 American Transplant Congress

    Correlation of Non-HLA Antibodies and Biopsy-Proven Antibody-Mediated Rejection

    N. Patel, M. Kittleson, J. Patel, T. Singer-Englar, S. Kim, D. Chang, E. Kransdorf, D. Megna, J. A. Kobashigawa

    Cedars-Sinai Smidt Heart Institute, Los Angeles, CA

    *Purpose: Non-HLA antibodies are seen in heart transplantation (HTx), but the clinical significance has not been established. In many cases, non-HLA antibodies are drawn, but…
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