ATC Abstracts

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Articles tagged "Tolerance"

  • 2017 American Transplant Congress

    Transient High Dose Tacrolimus Allows Tolerance of a Vascularized Composite Allograft Tolerance Across a Full MHC Mismatch.

    A. Leto Barone, H. Wang, E. Swanson, K. Kolegraff, J. Lopez, G. Furtmüller, B. Oh, S. Alfadil, S. Mermulla, J. Sacks, S. Bonawitz, G. Raimondi, J. Shores, D. Cooney, W. Lee, G. Brandacher.

    Plastic and Reconstructive Surgery, Johns Hopkins University, Baltimore, MD

    Purpose: The achievement of tolerance in Vascularized composite allografts (VCA) could avoid the risks of immunosuppression in this setting. We investigated strategies for tolerance induction…
  • 2017 American Transplant Congress

    Aryl Hydrocarbon Receptor Regulates Myeloid Derived Suppressor Cells by Activating the ERK Signaling in a Murine Cardiac Transplantation Model.

    T. Nakamura, K. Masuda, N. Yoshimura.

    Department of Organ Transplantation and General Surgery, Kyoto Prefectural University of Medicine, Kyoto, Japan

    There is a growing evidence that Myeloid-derived suppressor cells (MDSCs) have a crucial role in organ transplantation; however, the detail condition where MDSCs are sufficiently…
  • 2017 American Transplant Congress

    Depletion of T-Cells from G-CSF Mobilized Human PBMC Prevents Acute GVHD in NSG Mice.

    Y. Huang, H. Xu, A. Merchak, A. Chhabra, Y. Wen, L. Kahn, S. Ildstad.

    Institute for Cellular Therapeutics, University of Louisville, Louisville, KY

    Allogeneic HSC transplantation is commonly utilized for the treatment of hematologic malignancies and autoimmune diseases. However, allogeneic HSC transplantation is limited by potential for the…
  • 2017 American Transplant Congress

    Successful Induction of Tolerance of Fully Allogeneic Lung Graft with Adenosine A2A Receptor (A2AR) Agonist in MHC-Defined CLAWN Miniature Swine.

    H. Sahara, M. Sekijima, T. Murokawa, Y. Ariyoshi, T. Iwanaga, Y. Ichinari, A. Shimizu, K. Yamada.

    Center for Advanced Biomedical Science and Swine Research, Kagoshima University, Kagoshima, Japan

    Introduction: A2AR agonist is known to potently attenuate lung ischemia-reperfusion injury. However, the long-term effects of A2AR agonist on lung allograft survival remain unclear especially…
  • 2017 American Transplant Congress

    Long-Term Drug-Free Survival of Tiny Cynomolgus Islet Allografts.

    M. Koulmanda, V. Chipashivili, M. Duggan, T. Strom.

    Surgery and Medicine, Beth Israel Deaconess Medical Center, Boston, MA; Surgery, Massachusetts General Hospital, Boston, MA

    Following upon highly beneficial effects observed with short-term alpha 1-antitrypsin (AAT) treatment in the marginally sized autologous cynomolgus islet transplant model, we are testing the…
  • 2017 American Transplant Congress

    Ex vivo Expanded Regulatory T cells Combined with Short-Term Costimulation Blockade Prevent Rejection of Vascularized Composite Allografts.

    B. Oh, G. Furtmüller, M. Iglesias, M. Fryer, P. Akre, D. Cooney, W. Lee, G. Raimondi, G. Brandacher.

    Plastic and Reconstructive Surgery, Johns Hopkins University School of Medicine, Baltimore, MD

    [Background] Reconstructive transplantation represents a valid therapeutic option after devastating tissue loss. Routine clinical application, however, is hampered by the toxicity of long-term maintenance immunosuppression.…
  • 2017 American Transplant Congress

    Induction of Durable Mixed Hematopoietic Chimerism and Immune Tolerance in Non-Human Primates.

    P. Alonso-Guallart,1 R. Duran-Struuck,1 J. Stern,1 S. Kofman,1 M. Danton,1 J. Zitsman,1 Y. Kato,1 E. Berglund,1 H. Sondermeijer,1 A. McMurchy,2 M. Levings,2 M. Sykes,1 A. Griesemer.1

    1Columbia Center for Translational Immunology, Columbia University, New York, NY; 2University of British Columbia, Vancouver, Canada

    Mixed hematopoietic chimerism is a promising approach to achieving transplantation tolerance. Transient mixed chimerism leads to renal allograft tolerance in about 70% of cynomolgus macaques…
  • 2017 American Transplant Congress

    Confirmation of the Safety of Cryopreserved Human Cord Blood Derived Di-Chimeric Cells in the NSG Mouse Model.

    J. Cwykiel, N. Filipek, E. Szilagyi, E. Tfaily, M. Siemionow.

    Orthopaedics, University of Illinois at Chicago, Chicago, IL

    Background: Cell therapies are a promising approach for tolerance induction in Vascularized Composite Allotransplantation (VCA). Thus, we have developed a new supportive therapy of ex…
  • 2017 American Transplant Congress

    Acute Mouse CMV Infection Abrogates Transplant Tolerance by Modulating Myeloid Cell Differentiation and Function: A Possible Role for Transcription Factor RORγt.

    A. Dangi,1 L. Zhang,1 X. Zhang,2,3 Z. Zhang,2,3 X. Luo.1,2,3

    1Nephrology and Hypertension, Northwestern University, Chicago, IL; 2Comprehensive Transplant Center, Northwestern University, Chicago, IL; 3Comprehensive Transplant Center, Northwestern University, Chicago, IL

    Cytomegalovirus (CMV) infection has long been associated with graft-dysfunction and rejection in transplant-recipients. Nevertheless, precise understanding of underlying molecular mechanisms remains unclear. Here, we investigated…
  • 2017 American Transplant Congress

    A Phase-Two, Randomised, Placebo-Controlled Trial: Belimumab in Renal Transplantation Targets Naïve, Activated Memory and Antibody Producing B Cells Whilst Sparing Regulatory B Cells.

    G. Banham,1,2 S. Flint,3 N. Torpey,2 P. Lyons,1 D. Shanahan,3 A. Gibson,3 A.-M. O'Sullivan,2 R. Jones,1,2,3 L. Devey,3 A. Richards,3 L. Erwig,3 C. Savage,3 K. Smith,1,2 R. Henderson,3 M. Clatworthy.1,2

    1Department of Medicine, University of Cambridge School of Clinical Medicine, Cambridge, United Kingdom; 2Cambridge University Hospitals NHS Foundation Trust, Cambridge, United Kingdom; 3GlaxoSmithKline, Stevenage, United Kingdom

    This phase 2, double-blind, randomised controlled study (BEL114424) explores the safety and potential efficacy of addition of belimumab to standard of care in renal transplantation…
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