ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Antibodies"

  • 2016 American Transplant Congress

    Angiotensin II Type 1 Receptor Antibodies Are Associated with Allograft Loss in Pediatric Renal Transplantation.

    M. Pearl,1 Q. Zhang,2 M. Palma Diaz,3 J. Grotts,4 J. Brook,4 D. Gjertson,2 P. Weng,1 E. Reed,2 E. Tsai.1

    1Pediatrics, University of California-Los Angeles, Los Angeles, CA; 2Pathology and Laboratory Medicine, University of California-Los Angeles, Los Angeles, CA; 3Anatomic & Clinical Pathology, University of California-Los Angeles, Los Angeles, CA; 4Biostatistics, University of California-Los Angeles, Los Angeles, CA.

    Background: Angiotensin II type 1 receptor antibody (AT1R-Ab) is associated with vascular injury and allograft failure in adult kidney transplantation. Its role in pediatric transplantation…
  • 2015 American Transplant Congress

    Outcomes of ABO Incompatible Kidney Transplantation in Children

    J. Stojanovic,1 A. Adamusiak,2 A. Waters,1 D. Bockenhauer,1 N. Kessaris,2 C. Barton,3 H. Jones,3 J. Taylor,3 S. Marks,1 N. Mamode.2

    1Department of Paediatric Nephrology, Great Ormond Street Hospital NHS Foundation Trust, London, United Kingdom; 2Department of Transplantation, Guy's and St Thomas' NHS Foundation Trust, London, United Kingdom; 3Department of Paediatric Nephrology, Evelina London Children's Hospital, London, United Kingdom.

    Purpose: ABO blood group incompatible transplantation (ABOi) has become increasingly common over the last decade, in part due to a shortage of suitable deceased donor…
  • 2015 American Transplant Congress

    Costimulation Blockade and Bortezomib to Desensitize Rhesus Macaque and Prolong Renal Allograft Survival

    J. Kwun, C. Burghuber, E. Page, A. Gibby, N. Iwakoshi, S. Knechtle.

    Surgery, Emory Transplant Center, Atlanta, GA.

    [Background] Preformed donor specific antibody (DSA) due to prior sensitization affects a significant population of transplant patients, portending a poorer prognosis in short- and long-term…
  • 2015 American Transplant Congress

    Outcomes of Treatment of Late Antibody-Mediated Rejection in Primary Renal Transplant Recipients – A Single Center Experience

    R. Prashar, A. Patel, K. Venkat.

    Division of Nephrology and Transplant Institute, Henry Ford Hospital, Detroit, MI.

    Background: Successful reversal of early post-transplant antibody mediated rejection (AMR) is well documented, but data on the results of treatment of late AMR are lacking.…
  • 2015 American Transplant Congress

    Use of RNA Sequencing for Discovery of Markers of Accommodation in Surveillance Biopsies from Recipients of an ABO-Incompatible Renal Transplant

    A. McLean,2 K. Dominy,1 A. Sosinsky,1 M. Mueller,1 J. Galliford,2 T. Cook,1,2 C. Roufosse.1,2

    1Imperial College, London, United Kingdom; 2Imperial College Healthcare NHS Trust, London, United Kingdom.

    Recipients of an ABO incompatible transplant have circulating anti-AB antibodies, A and/or B antigens expressed on endothelium and usually C4d deposition on the endothelium, yet…
  • 2015 American Transplant Congress

    The Use of Eculizumab to Treat the Highly Sensitized Patient Awaiting Heart Transplant

    J. Patel, D. Dilibero, M. Kittleson, S. Sana, F. Liou, D. Chang, A. Hage, L. Czer, A. Trento, N. Reinsmoen, J. Kobashigawa.

    Cedars-Sinai Heart Institute, Los Angeles, CA.

    Purpose: Highly sensitized patients (pts) awaiting heart transplantation remain a significant challenge due to prolonged often prohibitive wait times for suitable organs and increased rejection…
  • 2015 American Transplant Congress

    Histologic Findings in Pre-transplant AT1Rab + ve Patients Point to an Increase in Sub-Intimal Fibrosis During Acute Rejection and in 12 mo. Protocol Renal Graft Biopsies

    A. González-Almada, J. Arreola-Guerra, E. Cuevas, M. Vilatoba, A. Contreras, A. Sanchez-Cedillo, J. Alberu, N. Uribe-Uribe.

    1Transplantation, 1aNephrology-Mineral Metabolism, 1bPathology, Inst Nal de Ciencias Medicas y Nutricion SZ, Mexico City, Distrito Federal, Mexico.

    Previous reports have described an increase in arteritis during acute rejection (AR) in angiotensin II type 1 receptor antibody (AT1Rab) positive (ve+) kidney transplant recipients…
  • 2015 American Transplant Congress

    Incidence of De Novo Donor Specific Antibodies in Kidney Transplant Recipients

    C. Staino, N. Pilch, O. Moussa, K. Boyle, J. Casale, K. Covert, J. Fleming, D. Taber, H. Meadows, C. Mardis, K. Chavin, S. Nadig, J. McGillicuddy, C. Bratton, T. Srinivas, P. Baliga.

    MUSC, Charleston, SC.

    The reported incidence and risk factors for the development of de novo donor specific antibodies (dnDSA) are variable. Although dnDSA is a negative predictor of…
  • 2015 American Transplant Congress

    The 20S Proteasome Is Active in Apoptotic Nanovesicles and Controls Anti-LG3 Antibody Production

    M. Dieudé,1,4 C. Bell,2,4 J. Turgeon,1,4 D. Beillevaire,1,4 K. Hamelin,1,4 S. Qi,1,4 N. Pallet,1,4 C. Rondeau,3 D. Gingras,3 M. Desjardins,3 P. Thibault,2,4 M.-J. Hébert.1,4

    1Research Centre, Centre Hospitalier de l'Université de Montréal (CRCHUM), Montreal, QC, Canada; 2Institute for Research in Immunology and Cancer (IRIC), Montreal, QC, Canada; 3Université de Montréal, Montreal, QC, Canada; 4Canadian National Transplant Research Program (CNTRP), Montreal, Canada.

    Humoral autoreactivity to apoptotic cells and perlecan/LG3, a proteoglycan fragment released by apoptotic cells, predicts poor allograft outcomes in renal transplant patients. How apoptotic cells…
  • 2015 American Transplant Congress

    The Impact of a Desensitization Protocol Using Plasmapheresis and Intravenous Immunoglobulin On Graft Outcome in Kidney Recipients With Donor Specific Anti-HLA Antibodies

    J. Junqueira, T. Leite, A. Junqueira, R. Esmeraldo.

    Hospital Geral de Fortaleza, Fortaleza, Brazil.

    Introduction: Kidney transplantation in patients with donor-specific anti-HLA antibodies (DSA) has been associated with a worse prognosis. The high cost, infectious complications and conflicting results…
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