ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Tolerance"

  • 2015 American Transplant Congress

    Immune Reconstitution in Recipients of Living Donor Kidney/Hematopoietic Stem + Facilitating Cell Transplants

    J. Leventhal,1 M. Elliott,2 E. Yolcu,2 L. Bozulic,3 D. Tollerud,3 J. Mathew,1 I. Konieczna,1 M. Ison,1 M. Badder,3 M. Abecassis,1 J. Miller,1 L. Gallon,1 S. Ildstad.3

    1Comprehensive Transplant Center, Northwestern Memorial Hospital, Chicago, IL; 2University of Louisville, Institute for Cellular Therapeutics, Louisville, KY; 3Regenerex, LLC, Louisville, KY.

    We report the long-term results from a reduced-intensity nonmyeloablative conditioning approach to establish high levels of donor chimerism without graft-versus-host disease (GVHD) in mismatched related…
  • 2015 American Transplant Congress

    An Economic Analysis of Tolerance Induction for Two-Haplotype Match Kidney Living Donor Transplant Recipients

    K. Erickson,1 W. Winkelmayer,2 R. Lowsky,1 J. Scandling,1 S. Strober.1

    1Medicine, Stanford University, Palo Alto, CA; 2Medicine, Baylor College of Medicine, Houston, TX.

    Purpose:Tolerance induction is a novel therapy that enables some living donor kidney transplant recipients (LDKTR) to safely discontinue immunosuppressive (IS) therapy. We examine whether tolerance…
  • 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

    IL-33 Enhances Host Tolerance to Candida albicans Kidney Infections Through Induction of IL-13 Production by CD4+ T Cells

    H. Cho,1,2 J. Lee,2,3 V. Tran,4 H. Kim,2,4 J. Kim,2,4 B. Kwon.2,4

    1Surgery, Ulsan University Hospital, Ulsan, Korea; 2Biomedical Research Center, Ulsan University Hospital, Ulsan, Korea; 3Internal Medicine, Ulsan University Hospital, Ulsan, Korea; 4School of Biological Sciences, University of Ulsan, Ulsan, Korea.

    Susceptibility to systemic Candida albicans infection is determined not only by immune resistance but also by the ability to control Candida-induced immunopathologies. We previously showed…
  • 2015 American Transplant Congress

    Eomesodermin Expression By Alloreactive Non-Human Primate CD8+ Memory T Cells: Influence of CTLA4Ig and Regulatory DC Infusion in Renal Allograft Recipients

    M. Ezzelarab,1 L. Lu,1 H. Guo,1 A. Zahorchak,1 W. Shufesky,1 D. Cooper,1 A. Morelli,1,2 A. Thomson.1,2

    1Surgery - Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA; 2Immunology, University of Pittsburgh, Pittsburgh, PA.

    Background:Memory T cells (Tmem), particularly those resistant to costimulation blockade (CoSB), are considered a major barrier to transplant tolerance. The T-box transcription factor Eomesodermin (Eomes)…
  • 2015 American Transplant Congress

    Changes in Health Related Quality of Life (HRQOL) in Pediatric Liver Transplant (LT) Recipients During Protocolized Immunosuppression Withdrawal (ISW): The iWITH Trial

    S. Mohammad,1 S. Sundaram,2 V. Venkat,3 M. Martinez,4 J. Lopez,5 J. Magee,5 E. Alonso,1 S. Feng.6

    1Northwestern U, Chicago; 2U of Colorado, Aurora; 3U of Pittsburgh, Pittsburgh; 4Columbia U., New York; 5U of Michigan, Ann Arbor; 6UCSF, San francisco.

    ISW may limit medication-related comorbidities but intensive monitoring and unexpected rejection episodes may compromise HRQOL. We studied longitudinal HRQOL in pediatric LT recipients undergoing ISW…
  • 2015 American Transplant Congress

    Identifying the “Operational Tolerant” Pediatric Liver Transplant Recipient by Cytometry by Time-of-Flight

    A. Lau,1,2 M. Vitalone,1 K. Haas,3 T. Shawler,1 C. Esquivel,1 O. Martinez,1 R. Castillo,3 S. Krams.1

    1Surgery, Division of Abdominal Transplantation, Stanford University, Stanford, CA; 2Pediatrics, Div. Gastroenterology, Hepatology, and Nutrition, University of California, San Francisco, San Francisco, CA; 3Pediatrics, Div. Gastroenterology, Hepatology, and Nutrition, Stanford University, Stanford, CA.

    Liver allografts are known to be well tolerated and indeed, some recipients of liver allografts retain stable graft function in the absence of immunosuppression. The…
  • 2015 American Transplant Congress

    Vascularized Bone Marrow Plays a Critical Role in Inducing Tolerance of Osteomyocutaneous Allografts

    C.-H. Lin,1 M. Anggelia,1 Y.-L. Wang,1 H.-Y. Cheng,1 W. Lee,2 G. Brandacher.2

    1Center for Vascularized Composite Allotransplantation, Chang Gung Memorial Hospital, Taipei, Taiwan; 2Department of Plastic and Reconstructive Surgery, Johns Hopkins University School of Medicine, Baltimore, MD.

    Background: Vascularized composite allograft (VCA) that includes medullary bone may provide proposed benefits ofvascularized bone marrow transplantation (VBMT), such as a continuous supply of donor…
  • 2015 American Transplant Congress

    A Novel Post-Transplant High-Dose Cyclophosphamide-Based Regimen to Promote Immune Tolerance After VCA

    G. Furtmüller,1 M. Fryer,1 B. Oh,1 S. Ganguly,2 J. Izzi,3 D. Cooney,1 G. Raimondi,1 W. Lee,1 L. Luznik,2 G. Brandacher.1

    1Plastic and Reconstructive Surgery, Johns Hopkins University School of Medicine, Baltimore, MD; 2Immunology - Sydney Kimmel Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD; 3Department of Research Animal Resources, Johns Hopkins University, Baltimore, MD.

    Background: VCA has become a viable treatment option for devastating tissue defects. However, the life-long need of immunosuppressive medications curtails the wider use of VCA.…
  • 2015 American Transplant Congress

    Identification of miRNAs Associated With Induced Tolerance to Allografts

    M. Vitalone, L. Wei, C. Esquivel, S. Busque, O. Martinez, S. Krams.

    Surgery-Transplantation, Stanford University School of Medicine, Stanford, CA.

    Introduction: Although the liver is less immunogenic than other solid organs, most liver transplant recipients receive lifelong immunosuppression. Total lymphoid irradiation (TLI) is part of…
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