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Articles tagged "Rejection"

  • 2016 American Transplant Congress

    Allograft TLR4 Receptor Signaling Induces Specific Early Inflammatory Events in Promotes Allografts Subjected to Prolonged Cold Ischemic Storage.

    T. Yagisawa, N. Kohei, D. Kish, R. Fairchild.

    Dept. Immunology and Glickman Urological Institute, Cleveland Clinic, Cleveland, OH.

    Engagement of Toll-like receptors (TLR) by endogenous danger-associated molecular pattern ligands contributes to the intensity of tissue inflammation, including the inflammation generated during ischemia-reperfusion injury…
  • 2016 American Transplant Congress

    The Impact of Microvascular Inflammation (MVI) in Kidney Transplant Biopsies (KTxBx) Is Independent of Time Post-Transplant.

    R. Gaston,1 J. Grande,2 R. Leduc,3 The DeKAF Study Group.

    1Dept. of Medicine, University of Alabama at Birmingham, Birmingham, AL; 2Dept of Lab Medicine & Pathology, Mayo Clinic College of Medicine, Rochester, MN; 3Division of Biostatistics, U. Minnesota School of Public Health, Minneapolis, MN.

    Detection of MVI in a KTxBx, often associated with antibody mediated rejection, is associated with a poor prognosis for kidney graft survival. However most information…
  • 2016 American Transplant Congress

    Acute Rejection, New-Onset Diabetes After Transplant and Transplant Outcomes in Pediatric Kidney Recipients: Analysis of the Organ Procurement and Transplant Network/United Network for Organ Sharing (OPTN/UNOS) Database.

    A. Mehrnia, T. Le, T. Tamer, S. Bunnapradist.

    Nephrology, UCLA, Los Angeles, CA.

    Introduction Our objective was to identify the associations of new-onset diabetes after transplant (NODAT) and acute rejection (AR) in predicting patient mortality and transplant failure…
  • 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

    Post-Transplant Reduction of Long Lived Plasma Cells from Peripheral Circulation Is Associated with Acute Rejection in Kidney Transplant Recipients.

    R. Minz,1 R. Dhital,2 M. Minz,2 R. Nada,3 A. Sharma,2 S. Singh,2 D. Kenwar.2

    1Immunopathology, Post Graduate Institute of Medical Education and Research, Chandigarh, India; 2Renal Transplant Surgery, Post Graduate Institute of Medical Education and Research, Chandigarh, India; 3Histopathology, Post Graduate Institute of Medical Education and Research, Chandigarh, India.

    Introduction:Plasma cells (PC) are usually defined functionally as antibody secreting cells (ASC). Depending upon their life span, they could either be short lived or long…
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