ATC Abstracts

American Transplant Congress abstracts

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  • 2018 American Transplant Congress

    Temporal Changes in the Characteristics and Sensitization of Kidney Paired Donation Registrants

    C. Holscher,1 K. Jackson,1 A. Thomas,1 C. Haugen,1 S. DiBrito,1 M. Ronin,2 A. Waterman,3,4 A. Massie,1,5 J. Garonzik Wang,1 D. Segev.1,5

    1Johns Hopkins School of Medicine, Baltimore; 2National Kidney Registry, New York; 3David Geffen School of Medicine at UCLA, Los Angeles; 4Terasaki Research Institute, Los Angeles; 5Johns Hopkins School of Public Health, Baltimore.

    In order to utilize a willing but incompatible living donor, candidates must either proceed with incompatible transplantation or find a more compatible match using kidney…
  • 2018 American Transplant Congress

    Diagnostic Value and Confounding Factors of Urinary Biomarkers in the Non-Invasive Screening of Renal Allograft Inflammation

    A. Vermorel,1 A. Devresse,1 C. Tinel,1,2 V. Sauvaget,2 L. Morin,2 L. Amrouche,1,2 M. Rabant,2,3 D. Anglicheau.1,2

    1Renal Transplantation Unit, Necker-Enfants Malades Hospital, Paris, France; 2INSERM U1173, Institut Necker Enfants Malades, Paris, France; 3Pathology, Necker-Enfants Malades Hospital, Paris, France.

    IntroductionThe value of urinary biomarkers has already been demonstrated in diagnosing acute rejection of the renal allograft, but confounding factors, which may interfere with their…
  • 2018 American Transplant Congress

    Evaluating Center Performance beyond Patient and Graft Survival

    S. Asrani, G. Saracino, R. Bahirwani, G. McKenna, G. Klintmalm, J. Trotter.

    Baylor University Medical Center, Dallas, TX.

    Introduction: LT centers are judged by patient survival at 1-yr post LT; however risk incurred on the waitlist or center specific practices post LT are…
  • 2018 American Transplant Congress

    Discovery and Validation of a Urinary Exosome mRNA Signature for the Diagnosis of Human Kidney Transplant Rejection

    J. Assaker,1 A. Srivastava,1 J. Hurley,2 B. Al Doujailan,1 S. Eskandari,1 C. Coticchia,2 M. Mohamed,1 S. Bentink,2 V. Tadigotla,2 L. Riella,1 A. Chandraker,1 J. Skog,2 J. Azzi.1

    1Transplantation Renal Center, BWH and BCH, Boston; 2Exosome Diagnostic Inc., Cambridge.

    Kidney transplant rejection leads to short and long-term adverse clinical outcomes. Serum creatinine is a suboptimal late biomarker for rejection. Exosomes are nanometer-sized vesicles released…
  • 2018 American Transplant Congress

    Role of C1q-Binding Donor-Specific Anti-HLA Antibodies in Premature and Accelerated Kidney Allograft Interstitial Fibrosis

    K. Louis, D. Viglietti, O. Aubert, A. Loupy, C. Lefaucheur.

    Paris Translational Research Center for Organ Transplantation, Paris, France.

    The 2017 Banff meeting has focused on the importance of a precise diagnosis of IF/TA in kidney recipients by addressing specific etiological factors. Recent studies…
  • 2018 American Transplant Congress

    RNA Expression Profiling of Renal Allografts in the Cynomolgus Monkey Identifies Tolerance

    R. Smith,1 M. Matsunami,3 B. Adam,2 A. Rosales,1 T. Oura,3 A. Cosimi,3 T. Kawai,3 M. Mengel,2 R. Colvin.1

    1Pathology, Massachusetts General Hospital, Boston, MA; 2Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB, Canada; 3Department of Surgery, Massachusetts General Hospital, Boston, MA.

    IntroductionTolerance induction is a long standing clinical goal. However, identification remains elusive. Here we profile intra-renal allograft RNA expression in a mixed chimerism renal allograft…
  • 2018 American Transplant Congress

    Rituximab Interference in B-Cell Crossmatch: A Problem Solved

    P. Malvezzi,1 O. Senoussi,2 T. Jouve,1 C. De Palma,2 L. Rostaing,1 B. Bardy,2 D. Masson.2

    1Service de Néphrologie, Dialyse, Aphérèses et Transplantation, CHU Grenoble Alpes, Grenoble, France; 2Laboratoire d'Histocompatibilité, EFS Rhone Alpes, Grenoble, France.

    Background: Rituximab is commonly prescribed in ABO- or HLA-incompatible kidney transplantation. When used before transplant it interferes with B lymphocyte complement-dependent crossmatch (CDC CM) or…
  • 2018 American Transplant Congress

    A 3C Approach Drives Epigenetic Fixation of Foxp3 Expression and Stabilizes Treg Cell Lineage and Therapeutic Function

    X. Xiao, X. Zhang, J. Li, S. Chen, P. Lan, Y. Dou, W. Chen, X. Li.

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

    The instability of the regulatory T (Treg) cell lineage precludes their therapeutic potential in transplantation and autoimmune diseases. Herein, we invented a novel approach to…
  • 2018 American Transplant Congress

    Cost Impacts of Alternative Kidney Transplant Immunosuppression: A National Cohort Study

    K. Lentine,1 D. Axelrod,2 V. Dharnidharka,3 H. Xiao,1 D. Brennan,4 D. Segev,4 H. Randall,1 R. Ouseph,1 A. Naik,5 N. Lam,6 T. Alhamad,3 B. Kasiske,7 G. Hess,8 M. Schnitzler.1

    1Saint Louis Univ, St. Louis; 2Lahey Clinic, Burlington; 3Washington Univ, St. Louis; 4Johns Hopkins, Baltimore; 5Univ Michigan, Ann Arbor; 6Univ Alberta, Edmonton, Canada; 7Hennepin County, Minneapolis; 8Symphony Health, Conshohocken.

    Economic outcomes are increasingly considered along with clinical efficacy to guide choice of alternative therapies. We examined the cost impact of kidney transplant (KTx) induction…
  • 2018 American Transplant Congress

    Long Term Histologic Allograft Health is Preserved Despite Rejection during Protocolized Immunosuppression Withdrawal (ISW) in Stable Pediatric Liver Transplant Recipients

    V. Venkat,1 J. Bucuvalas,2 M. Martinez,3 K. Spain,4 G. Mazariegos,1 A. Demetris,5 S. Feng.6

    1Children's Hospital, Pittsburgh; 2CCHMC, Cincinnati; 3Columbia, NY; 4Rho, Chapel Hill; 5UPMC, Pittsburgh; 6UCSF, San Francisco.

    Background: Long term allograft health after rejection during ISW has not been previously assessed. We compare baseline and 4yr graft histology of 20 rejectors in…
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