ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "HLA antibodies"

  • 2021 American Transplant Congress

    Impact of Rituximab Induction Therapy on Donor-specific Anti-HLA Antibodies in Abo-compatible Kidney Transplant Recipients

    T. Yagisawa1, T. Kanzawa1, K. Unagami2, M. Furusawa1, M. Inui1, H. Ishida2, K. Tanabe1

    1Department of Urology, Tokyo Women's Medical University, Tokyo, Japan, 2Department of Organ Transplant Medicine, Tokyo Women's Medical University, Tokyo, Japan

    *Purpose: Development of de novo donor-specific anti-HLA antibodies (dnDSA) after kidney transplantation remains strongly associated with antibody-mediated rejection (AMR), which leads to poor graft outcome.…
  • 2021 American Transplant Congress

    Transplant Glomerulopathy in the Absence of Donor-specific HLA Antibodies: Risk Factors, Histopathological Features and Graft Outcome

    A. Senev, E. Van Loon, M. Emonds, M. Naesens

    Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium

    *Purpose: Transplant glomerulopathy (TG) is established as a hallmark of chronic antibody-mediated rejection in kidney transplant patients with donor-specific HLA antibodies (HLA-DSA). The clinical importance…
  • 2021 American Transplant Congress

    The Use of Donor Derived Cell Free DNA in Children to Monitor Therapy of Kidney Rejection

    A. Al-Uzri, M. Wright, K. Clark, R. Jenkins

    Oregon Health & Science Univ, Portland, OR

    *Purpose: Elevated donor-derived cell-free DNA (dd-cfDNA) in the presence of HLA donor-specific antibodies (DSA) are shown to correlate with acute antibody-mediated rejection (AMR) in adult…
  • 2021 American Transplant Congress

    High Donor-Derived Cell-Free DNA Levels Predict Development of De Novo HLA Donor-Specific Antibodies After Kidney Transplantation – Data from the ADMIRAL Study

    G. Gupta1, T. Alhamad2, V. Bowers3, I. Moinuddin1, S. Ghosh4, J. Zeng4, E. Stites5, A. Pai6, J. S. Bromberg7, S. Anand8

    1Virginia Commonwealth University, Richmond, VA, 2Washington University in St. Louis, St. Louis, MO, 3Tampa General Hospital, Tampa, FL, 4CareDx, Brisbane, CA, 5University of Colorado, Aurora, CO, 6University of Texas McGovern Medical School, Houston, TX, 7University of Maryland School of Medicine, Baltimore, MD, 8Intermountain Medical Center, Murray, UT

    *Purpose: Donor-derived cell-free DNA (dd-cfDNA) as a marker of injury can serve to quantify subclinical inflammation and molecular injury. As the release of graft genomic…
  • 2021 American Transplant Congress

    Bortezomib for Antibody-Mediated Rejection of Renal Transplant in Youth

    L. Galea, J. Hewlett, J. Savant, S. Lopez, S. Amaral, B. Viteri

    The Children’s Hospital of Philadelphia, Philadelphia, PA

    *Purpose: The purpose of the study was to examine preliminary efficacy and tolerability of bortezomib, a protease inhibitor, in treatment-refractory antibody mediated rejection (AMR) in…
  • 2021 American Transplant Congress

    Prospective Intensive Monitoring for Anamnestic DSA Responses Allows Near Elimination of Early Clinical AMR

    M. McGowan1, A. Bickenbach1, A. R. Shields2, R. R. Alloway1, P. Brailey1, E. Portwood1, C. Alquist1, A. Christianson1, B. Abu Jawdeh1, M. Cuffy1, J. Kremer2, S. Bumb1, A. Govil1, M. Anand1, T. Kaur1, E. S. Woodle1

    1U Cincinnati, Cincinnati, OH, 2Christ Hospital, Cincinnati, OH

    *Purpose: Anamnestic donor specific antibody (aDSA) responses can result in severe, graft threatening antibody-mediated rejection (AMR). We hypothesized that intensive DSA monitoring (IDM) for aDSA…
  • 2021 American Transplant Congress

    Membrane versus Centrifuge‑Based Therapeutic Plasma Exchange to Treat Antibody-Mediated Rejection in Kidney Transplantation

    P. Maggiani1, J. C. Ramirez Valdestino1, J. H. Cano Cervantes1, O. D. Díaz Avedaño1, G. García Castillo1, M. C. Oseguera Vizcaíno2, M. A. Covarrubias2, M. Matías Carmona1, D. F. Ovando Morga1, G. Ramirez Ramirez1, V. D. Lebrija Córdoba1, S. Hernandez Estrada1

    1Transplantation, Centro Medico Nacional 20 de Noviembre, Mexico City, Mexico, 2Transplantation, Hospital Civil Fray Antonio Alcalde, Guadalajara, Mexico

    *Purpose: Therapeutic plasma exchange (TPE) is either performed using a highly permeable filter with standard multifunctional renal replacement equipment (mTPE) or a centrifugation device (cTPE).…
  • 2021 American Transplant Congress

    Is There a Role for Donor-Specific Antibody Testing in Simultaneous Liver-Kidney Transplantation? A Single Center Analysis of Outcomes

    A. Das, A. Barbetta, D. Remulla, C. Goldbeck, T. Maw, J. Kim

    University of Southern California, Los Angeles, CA

    *Purpose: Simultaneous liver-kidney transplantation (SLKT) has grown exponentially since its conception in the 1960’s. The role for donor specific antibody (DSA) testing in SLKT is…
  • 2021 American Transplant Congress

    De Novo Membranous Nephropathy Associated with Antibody-mediated Rejection in Renal Transplant Recipients

    M. V. Sousa1, L. G. Fernandes2, L. L. de Freitas3, R. L. Zollner2, M. Mazzali1

    1Internal Medicine - Division of Nephrology, University of Campinas, Campinas, Brazil, 2Internal Medicine, University of Campinas, Campinas, Brazil, 3Pathology, University of Campinas, Campinas, Brazil

    *Purpose: Membranous nephropathy (MN) is a rare autoimmune disease, with the potential to develop a persistent nephrotic syndrome and end-stage chronic renal disease in some…
  • 2020 American Transplant Congress

    HLA-DR/DQ Molecular Mismatch Dictates Early Risk of De Novo Donor-Specific Antibody Development and Offers a Personalized Approach to Immunosuppression Management in Kidney Transplantation

    S. Davis1, C. Wiebe2, K. Campbell1, C. Anobile3, M. Aubrey3, A. Wiseman1, E. Pomfret1, P. Nickerson2, J. Cooper1

    1University of Colorado, Aurora, CO, 2University of Manitoba, Winnipeg, MB, Canada, 3Clinimmune, Aurora, CO

    *Purpose: Clinicians have few tools to predict the risk of alloimmune injury in a patient undergoing renal transplantation, as traditional demographic or clinical variables lack…
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