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Articles tagged "Rejection"

  • 2016 American Transplant Congress

    A New Diagnostic Score for Microvascular Inflammation in Antibody-Mediated Rejection in Heart Transplantation.

    M. Racapé,1 A. Loupy,2 R. Guillemain,1 A. François,3 P. Rouvier,4 C. Toquet,5 X. Jouven,1 J. Venner,6 L. Hidalgo,6 J. Reeve,6 P. Bruneval,1 J. Duong Van Huyen,2 P. Halloran.2

    1European Georges Pompidou Hospital, Paris, France; 2Necker Hospital, Paris, France; 3Rouen University Hospital, Rouen, France; 4La Pitié Salpêtrière Hospital, Paris, France; 5Laennec Hospital, Nantes, France; 6University of Alberta, Edmonton, Canada.

    BackgroundThe ISHLT working formulation defines Intravascular Activated Mononuclear Cells (IAMC) as one of the histopathologic features of antibody-mediated rejection (ABMR) in heart transplantation. However, no…
  • 2016 American Transplant Congress

    Conditional Deletion of mTOR in Myeloid Cells Inhibits Chronic Allograft Rejection – A Novel Role for Macrophages in Transplant Vasculopathy.

    Y. Zhao, W. Chen, P. Lan, X. Xiao, W. Liu, M. Kloc, Y. Liu, R. Ghobrial, O. Gaber, X. Li.

    Immunobiology & Transplant Research Center, Houston Methodist Hospital and Houston Methodist Research Institute, Houston, TX.

    Most transplants eventually lost to chronic rejection under potent immunosuppression therapies where activation of innate immunity is suspected to play a major role in graft…
  • 2016 American Transplant Congress

    Evaluation of a Risk-Stratified Induction Immunosuppression Protocol Utilizing Low-Dose Antithymocyte Globulin in Renal Transplantation.

    A. Diamond, Z. Khawaja, M. Simpson, S.-C. Kung, M. Akoad, J. Pomposelli, E. Pomfret.

    Solid Organ Transplantation & Hepatobiliary Diseases, Lahey Hospital and Medical Center, Burlington, MA.

    Lower doses of rabbit-derived antithymocyte globulin (rATG) may result in less infection and cost, but may increase the incidence of acute rejection. We compared the…
  • 2016 American Transplant Congress

    De Novo Anti-HLA DSA Characteristics and Subclinical Antibody Mediated Kidney Allograft Injuries.

    T. Yamamoto, Y. Watarai, A. Takeda, M. Okada, M. Tsujita, T. Hiramitsu, N. Goto, S. Narumi, K. Morozumi, K. Uchida, T. Kobayashi.

    Nagoya daini red cross hospital, Nagoya, Japan.

    Background It has been reported that de novo donor-specific HLA antibody (dn DSA) production is associated with chronic antibody-mediated rejection (CAMR) which leads to poor…
  • 2016 American Transplant Congress

    MicroRNAs in Urinary Sediments as Non-Invasive Tool to Detect Acute Rejection After Kidney Transplantation.

    E. Gielis,1,2 J. Anholts,2 H. de Fijter,3 I. Bajema,4 F. Claas,2 M. Eikmans.2

    1Laboratory of Experimental Medicine and Pediatrics, University of Antwerp, Antwerp, Belgium; 2Immunohematology, LUMC, Leiden, Netherlands; 3Nephrology, LUMC, Leiden, Netherlands; 4Pathology, LUMC, Leiden, Netherlands.

    MicroRNAs in urine are suitable targets for non-invasive detection of acute rejection (AR), since they represent relatively stable analytes. Indeed, we found that PCR signals…
  • 2016 American Transplant Congress

    Plasma Alemtuzumab Levels Show Great Interpatient Variability, but Are Not Associated with Late Acute Rejection in Simultaneous Pancreas-Kidney Recipients.

    J. Bank,1 M. Mallat,1 C. Jol-van der Zijde,2 R. Bredius,2 P. van der Boog,1 A. Braat,3 J. Ringers,3 M. Reinders,1 J. de Fijter.1

    1Nephrology, LUMC, Leiden, Netherlands; 2Pediatrics, LUMC, Leiden, Netherlands; 3Surgery, LUMC, Leiden, Netherlands.

    Introduction: Alemtuzumab induction followed by a steroid-free, tacrolimus (Tac) and mycophenolate mofetil (MMF) based regimen effectively prevented acute rejection after simultaneous pancreas-kidney transplantation (SPKT). Acute…
  • 2016 American Transplant Congress

    Continuous Antithymocyte Globulin (rATG) for Treatment of Renal Allograft Rejection: Preliminary Analysis of a Prospective, Randomized Trial.

    S. Patel, R. Knight, S. Kuten, J. Nolte, A. Gaber.

    Houston Methodist Hospital, Houston, TX.

    Intravenous (IV) rATG for acute rejection (AR) is primarily given on an inpatient basis due to its daily administration, IV access requirement, and monitoring. The…
  • 2016 American Transplant Congress

    CD45RO+/CD62L- Effector Memory T Cells Mediate Depletion Resistant Allograft Rejection in Intestinal Transplant Recipients.

    C. Cosentino, J. Kaiser, A. Shukla, C. Desai, R. Girlanda, J. Hawksworth, C. Matsumoto, M. Zasloff, T. Fishbein, A. Kroemer.

    MedStar Georgetown Transplant Institute, Washington DC.

    A. A high risk of acute cellular rejection (ACR) is one of the key factors limiting intestinal transplantation (ITx). An extremely poor prognosis is related…
  • 2016 American Transplant Congress

    Frequency and Utility of Donor-Specific Antibody Testing in Simultaneous Liver Kidney Transplant.

    A. Morrison,1 D. Sawinski,2 M. Kamoun,3 P. Porrett.1

    1Surgery, University of Pennsylvania, Philadelphia, PA; 2Medicine, University of Pennsylvania, Philadelphia, PA; 3Pathology, University of Pennsylvania, Philadelphia, PA.

    Introduction: The risk of antibody mediated rejection (AMR) in simultaneous liver kidney (SLK) recipients is thought to be lower than in kidney alone patients due…
  • 2016 American Transplant Congress

    Tocilizumab as Treatment for Persistent Chronic Active Antibody Mediated Rejection.

    H. Fernandez, S. Patel, M. Chiles, L. Ratner, R. Crew.

    Columbia University Medical Center, NYC.

    Intro: CAAMR is an increasingly recognized cause of renal allograft failure with limited treatment options. Many patients with CAAMR have engagement of both T and…
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