ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Alloantibodies"

  • 2017 American Transplant Congress

    Presence of Complement Activating Donor Specific Antibodies Is Associated with Poor Renal Allograft Survival: Two Centre Retrospective Study.

    A. Babu,1,4,5 O. Shaw,2 L. Howe,2 N. Kessaris,3 A. Dorling,3 N. Mamode,3 R. Vaughan,2 N. Krishnan,5 R. Higgins,5 D. MItchell,1 D. Briggs,4 S. Daga.1,5,6

    1Warwick Medical School, University of Warwick, Coventry, United Kingdom; 2Clinical Transplantation Laboratories, Guy's Hospital, Viapath, London, United Kingdom; 3Nephrology and Transplantation, Guy's Hospital, London, United Kingdom; 4Histocompatibility and Immunogenetics, NHS Blood and Transfusion, Birmingham, United Kingdom; 5Nephrology and Transplantation, University Hospitals Coventry and Warwickshire, Coventry, United Kingdom; 6Nephrology and Transplantation, Leeds Teaching Hospitals NHS Trust, Leeds, United Kingdom

    Introduction: Complement fixing donor specific antibodies (DSA) as detected by presence of C3d at the time of rejection is associated with poor graft outcome;no studies…
  • 2017 American Transplant Congress

    Incidence of Acute Rejection and Donor Specific Antibodies in Low-Immunological Risk Patients Treated by Tacrolimus and Mycophenolic Acid with or without Induction Therapy.

    O. Marion,1 A. Del Bello,1 I. Ferrandiz,1 L. Esposito,1 N. Congy,2 A.-L. Hebral,1 N. Kamar.1

    1Nephrology and Organ Transplantation, CHU Rangueil, Toulouse, France; 2Laboratory of Histocompatibility, CHU Rangueil, Toulouse, France

    The need for using induction therapy in de novo non-HLA sensitized kidney-transplant patients receiving tacrolimus-based therapy is a matter of debate. The aims of this…
  • 2017 American Transplant Congress

    Biomarkers of Epithelial-Mesenchymal Transition (EMT) in Chronic Allograft Nephropathy: Potential for Early Detection and Development of Novel Therapeutic Agents.

    S. Kanangat, R. Miller, S. Rezaeian, H. Eldib, D. Cimbaluk, C. Fhied, I. Kurbegovic-Skaljic, M. Prod, J. Borgia, M. Flaws, D. Castillo, R. DeCresce.

    Pathology, BioChemistry and Medical Laboratory Sciences, Rush University Medical Center, Chicago, IL

    Purpose: To detect markers and novel treatment targets related to fibrogenesis and eventual graft loss by focusing on Epithelial Mesenchymal transition (EMT) which requires understanding…
  • 2017 American Transplant Congress

    Dual Targeting of Costimulation and Proteasome to Desensitize and Prolong Graft Survival of Sensitized Nonhuman Primates.

    J. Kwun,1 C. Burghuber,1 M. Manook,1 B. Ezekian,1 J. Park,1,2 K. Freishlag,1 J. Yoon,1 N. Iwakoshi,3 A. Farris,4 S. Knechtle.1

    1Surgery, Duke Transplant Center, Durham, NC; 2Surgery, Samsung Medical Center, Seoul, Korea; 3Surgery, Emory Transplant Center, Atlanta, GA; 4Pathology, Emory University, Atlanta, GA

    [Background] Pre-formed donor-specific anti-HLA antibodies (DSA) from prior transplantation, transfusion, or pregnancy affects a significant portion (35%) of patients awaiting a kidney transplant. Highly sensitized…
  • 2017 American Transplant Congress

    High Titer De Novo Donor-Specific HLA Alloantibodies and Cardiac Allograft Vasculopathy After Pediatric Heart Transplantation.

    B. Das,1 S. Zhang,2 A. Gao,2 C. Lacelle.3

    1Division of Cardiology, Dept. of Pediatrics, UTSW Medical Center, Dallas, TX; 2Department of Clinical Science Research, UTSW Medical Center, Dallas, TX; 3Department of Pathology, UTSW Medical Center, Dallas, TX

    Background: Cardiac allograft vasculopathy (CAV) continues to be a limiting factor in long-term survival after pediatric heart transplantation (HT). Criteria for early diagnosis of CAV…
  • 2017 American Transplant Congress

    Factors Affecting Desensitization Outcome.

    A. Zachary,1 R. Montgomery,2 M. Leffell.1

    1Medicine, Johns Hopkins University School of Medicine, Baltimore, MD; 2NYU Langone Transplant Institute, NYU University, New York, NY

    The purpose of this study was to identify factors that affect the outcome of desensitization. We reviewed antibody and HLA mismatch data from 114 patients…
  • 2017 American Transplant Congress

    Accelerated De-Novo Donor-Specific Antibody-Mediated Rejection in a Non-Human Primate Model of Renal Transplantation.

    J. Danobeitia, P. Chlebeck, J. Torrealba, T. Zens, L. Zitur, A. D'Alessandro, L. Fernandez.

    Surgery - Division of Transplantation, University of Wisconsin-Madison, Madison, WI

    The development of accelerated antibody-mediated rejection (ABMR) is associated with early allograft dysfunction and premature graft loss. In animals, pre-sensitization is usually required in order…
  • 2017 American Transplant Congress

    The Incremental of Cost of Incompatible Living Donor Kidney Transplant: A National Cohort Analysis.

    D. Axelrod,1 K. Lentine,2 M. Schnitzler,2 H. Xiao,2 X. Lou,3 B. Orandi,3 J. Garonzik Wang,3 A. Massie,3 D. Segev.3

    1Surgery, East Carolina University, Greenville, NC; 2Transplant, Saint Louis University, St. Louis, MO; 3Surgery, Johns Hopkins University, Baltimore, MD

    Incompatible living donor kidney transplant (ILDKT) has been established as an effective option for patients with willing but human leukocyte antigen incompatible live donors, reducing…
  • 2016 American Transplant Congress

    Impact of CXCR4/CXCL12 Blockade on Normal Plasma Cells In Vivo.

    K. Bonner, N. Moore, M. Moreno Gonzales, M. Stegall.

    Department of Surgery, Division of Transplant Surgery, Mayo Clinic, Rochester, MN.

    Introduction:Plasma cells (PCs) are a major source of alloantibody in transplant patients.They are resistant to current therapy. Since receptor/ligand interactions in the stromal environment are…
  • 2016 American Transplant Congress

    A Novel Study to Determine the Association of Pre-Transplant Donor Specific Antibody and AT1R Antibody with Kidney Transplant Outcomes Prior to Adoption of Solid Phase Antibody Assays.

    R. Redfield, B. Astor, B. Jung-Hynes, D. Mandelbrot, D. Kaufman, A. Djamali, T. Ellis.

    University of Wisconsin, Madison.

    Background: Studies assessing the risk of pre-transplant antibodies are generally restricted to low levels of donor specific antibody (DSA). Here we analyze pre-transplant HLA DSA,…
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