ATC Abstracts

American Transplant Congress abstracts

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  • 2015 American Transplant Congress

    NKp46 Clusters at the NK Cell Immune Synapse Regulate Specific Effector Functions

    U. Hadad,1,2 T. Thauland,1 M. Butte,1 A. Porgador,2 O. Martinez,1 S. Krams.1

    1Stanford University, Stanford, CA; 2Ben Gurion University of the Negev, Beer Sheva, Israel.

    Natural Killer (NK) cells play an important role in the first-line defense against tumor and virus-infected cells. Studies suggest NK cells have a dichotomous role…
  • 2015 American Transplant Congress

    Kidney Transplantation Using Kidneys from Donation After Circulatory Death Donors: Results from the UK Experience

    D. Summers,1,2,3 R. Johnson,2 D. Collett,2 C. Watson,1,3 J. Neuberger,2 G. Pettigrew,1,3 J. Bradley.1,3

    1Department of Surgery, Cambridge University, Cambridge, United Kingdom; 2Organ Donation and Transplantation, NHS Blood and Transplant, Bristol, United Kingdom; 3Cambridge NIHR Biomedical Reseach Centre, Cambridge, United Kingdom.

    Introduction: Kidneys from donation after circulatory-death donors currently make up over 40% of deceased donor kidney transplants in the UK. In addition, 34% of deceased…
  • 2015 American Transplant Congress

    Independent Prognostic Factors for Survival in Hepatocellular Carcinoma Patients Undergoing Orthotopic Liver Transplantation: UNOS Population Study

    M. Xing, H. Kim.

    Interventional Radiology, Department of Radiology, University of Pittsburgh School of Medicine, Pittsburgh, PA.

    Background: The impact of regional differences in bridging locoregional therapy (LRT) use and wait times on overall survival (OS) in hepatocellular carcinoma (HCC) patients undergoing…
  • 2015 American Transplant Congress

    LFA-1 Is Crucial for Germinal Center Reconstruction After T cell Depletion and IL-21 Biased Antibody-Mediated Rejection

    J. Kwun,1 B. Oh,1 H. Song,1 A. Farris,1 A. Kirk,2 W. Mahle,1 S. Knechtle.1

    1Surgery, Emory Transplant Center, Atlanta, GA; 2Surgery, Duke University, Durham, NC.

    [Background] Lymphocyte depletion prior to transplantation is beneficial in reducing initial maintenance immunosuppression in transplantation. However, despite its excellent efficacy in controlling T cell mediated…
  • 2015 American Transplant Congress

    Peritransplant Costimulation Blockade and Rapamycin Therapy Induces Permanent Limb Allograft Survival

    L. Wang, A. Samanta, J. Huang, T. Bhatti, Z. Wang, R. Han, L. Levin, M. Levine, W. Hancock.

    CHOP/UPenn, Philadelphia.

    Aim: Using murine models, we sought to identify the mechanisms of responsible for vascularized composite allotransplant (VCA) rejection, and to thereafter, using clinically relevant peri-transplant…
  • 2015 American Transplant Congress

    Characteristics and Outcomes of Renal Transplant Recipients With Hemolytic Uremic Syndrome: An OPTN Registry Analysis

    B. Tanriover,1 M. MacConmara,2 R. Saxena,1 Y.-M. Shen.3

    1Medicine/Nephrology, UT Southwestern, Dallas, TX; 2Surgery, UT Southwestern, Dallas, TX; 3Medicine/Hematology, UT Southwestern, Dallas, TX.

    Hemolytic uremic syndrome (HUS) accounts for <1% of renal transplants in the US. There is limited data on the characteristics and outcomes of in pediatric…
  • 2015 American Transplant Congress

    Increased Cytotoxic and Regulatory T Cell and B Cell Associated Gene Transcripts in Transplant Kidney Biopsies With Non-Specific IFTA and Interstitial Inflammation

    S. Akten, M. Ajaimy, P. O Broin, Y. Bao, A. Golden, E. Akalin.

    Renal Division and Kidney Transplant Center, Computational Genomics Facility, Albert Einstein College of Medicine, Bronx, NY.

    Background: Patients with non –specific interstitial fibrosis/tubular atrophy (IFTA) have lower graft survival if their biopsies have interstitial inflammation, described as “ i” in Banff…
  • 2015 American Transplant Congress

    Everolimus and Early Calcineurin Inhibitor Withdrawal Is Associated With Superior Renal Function: 5-Year Follow-Up of the Randomized PROTECT Liver Transplantation Study

    M. Sterneck, G. Kaiser, N. Heyne, N. Richter, F. Rauchfuss, A. Pascher, P. Schemmer, L. Fischer, C. Klein, S. Nadalin, F. Lehner, U. Settmacher, D. Gotthardt, M. Loss, S. Ladenburger, P. Wimmer, M. Dworak, H. Schlitt.

    PROTECT Study Group, Novartis Pharma GmbH, Germany.

    Purpose: At the end of the 12-month (M) PROTECT core study (NCT00378014), de novo liver transplant recipients (LTxR) who switched from a calcineurin inhibitor (CNI)…
  • 2015 American Transplant Congress

    Epstein Barr Virus Modulates Host Cell MicroRNA-194 to Promote IL-10 Production in B Cell Lymphomas

    A. Harris-Arnold, S. Schaffert, O. Hatton, C. Esquivel, S. Krams, O. Martinez.

    Surgery/Division of Abdominal Transplant, Stanford University School of Medicine, Stanford, CA.

    Epstein Barr virus (EBV) infection is associated with the development of post-transplant lymphoproliferative disorder (PTLD) which can manifest as aggressive B cell lymphomas in transplant…
  • 2015 American Transplant Congress

    Allogeneic Mature Human Monocyte-Derived Dendritic Cells Generate Superior Alloreactive Regulatory T Cells in an IL-2-Independent Manner

    N. Litjens,1 K. Boer,1 J. Zuijderwijk,1 M. Klepper,1 A. Peeters,1 E. Prens,2 W. Verschoor,1 R. Kraaijeveld,1 Z. Ozgur,3 M. van den Hout-van Vroonhoven,3 W. van IJcken,3 C. Baan,1 M. Betjes.1

    1Internal Medicine, Nephrology and Transplantation, Erasmus Medical Center, Rotterdam, Netherlands; 2Dermatology and Rheumatology, Erasmus Medical Center, Rotterdam, Netherlands; 3Erasmus Center for Biomics, Erasmus Medical Center, Rotterdam, Netherlands.

    IntroductionExpansion of antigen (Ag)-specific natural occurring regulatory T cells (nTregs) is required to obtain sufficient numbers of cells for cellular immunotherapy. In this study, different…
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