ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Islets"

  • 2020 American Transplant Congress

    Construction of Three-Dimensional Vascularized Functional Beta-Cells Tissues Using a Layer-by-Layer Cell Coating Technique

    S. Takaichi1, T. Akagi2, Y. Tomimaru1, S. Kobayashi1, Y. Iwagami1, H. Akita1, T. Noda1, K. Gotoh1, Y. Doki1, M. Akashi2, H. Eguchi1

    1Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita, Japan, 2Building Block Science Joint Research Chair, Graduate School of Frontier Biosciences, Osaka University, Suita, Japan

    *Purpose: Regenerative therapy for type I Diabetes Mellitus has been expected to be a promising treatment. A subcutaneous site is an ideal candidate for stem…
  • 2020 American Transplant Congress

    Can Autologous Islet Cell Transplant Be a Comparable Choice to Parenchymal Preserving Surgery for Patients with Chronic Pancreatitis with Respect to Glycemic Control?

    B. M. Williams, X. Baldwin, J. S. Vonderau, M. Hanson, C. S. Desai

    University of North Carolina, Chapel Hill, NC

    *Purpose: The aim of this study is to examine the difference in glycemic outcomes between total pancreatectomy and autologous islet cell transplant (TPAIT) and parenchymal…
  • 2020 American Transplant Congress

    Alum Elicited MDSCs Delay the Rejection of Fully Mistmatched Islets in Mice

    A. Cuenca1, N. Feeney2, J. Ge1, K. Deng2, Q. Fu2, G. Huai2, K. Lee2, C. Rickert2, J. Markmann2

    1Boston Children's Hospital, Boston, MA, 2Massachusetts General Hospital, Boston, MA

    *Purpose: Myeloid derived suppressor cells (MDSCs) have been demonstrated to be critical for the induction of tumor induced T cell tolerance and have also been…
  • 2020 American Transplant Congress

    Splenectomy Impedes B Cell Infiltration Associated with Rejection of Neonatal Porcine Islet Xenografts

    Z. W. Fitch, M. Song, R. Schmitz, F. Leopardi, M. Ribeiro, A. Miller, G. Devi, B. Collins, X. Luo, A. D. Kirk

    Duke University, Durham, NC

    *Purpose: Xenotransplantation has historically been frustrated by antibody-mediated rejection. Splenectomy has shown efficacy in mediating humoral immunity. We hypothesized that adding splenectomy to a clinically…
  • 2020 American Transplant Congress

    CD47 Innate Immune Checkpoint Enhances Islet Engraftment Following Intraportal Transplantation by Mitigating Instant Blood Mediated Inflammatory Reaction

    P. Shrestha, L. Batra, M. T. Malik, M. Tan, E. S. Yolcu, H. Shirwan

    Institute for Cellular Therapeutics and Department of Microbiology and Immunology, University of Louisville, Louisville, KY

    *Purpose: Transplantation of islets into hepatic portal vein is associated with significant islet mass loss immediate post-transplantation. Instant blood mediated inflammatory reaction (IBMIR), characterized by…
  • 2020 American Transplant Congress

    The Pleural Cavity, A Novel and Clinically Relevant Site for Pancreatic Islet Transplantation

    Q. Yuan1, K. Lee1, C. Rickert1, S. Hong1, E. Acheampong1, E. Szuter1, Y. Xu2, K. Deng1, N. Feeney1, Q. Fu1, G. Huai1, J. Lei1, I. Rosales1, P. Russell1, J. Madsen1, R. Colvin1, A. Alessandrini1, J. Markmann1, -. Q.Y. and K.L.3, -. A.A. and J.F.M.4

    1Massachusetts General Hospital, Boston, MA, 2Chinese PLA General Hospital & Medical School, Beijing, China, 3Co-First Authors, Boston, MA, 4Co-Senior Authors, Boston, MA

    *Purpose: Islet transplantation currently provides a cure for type 1 diabetes. Hepatic infusion of islets via the portal vein is clinically accepted in human, although…
  • 2020 American Transplant Congress

    Withaferin A Prolongs Islet Allograft Survival in a Mouse Transplant Model by Preventing T Lymphocyte Proliferation and Dendritic Cell Maturation

    K. Kumano1, M. A. Kanak2, S. Vasu1, Y. Liu1, M. Lawrence1, B. Naziruddin1

    1Baylor University Medical Ctr, Dallas, TX, 2Virginial Commonwealth University Medical Center, Richmond, VA

    *Purpose: Chronic decline in islet graft function and toxicities imposed by immunosuppressant drugs remain as challenges to the widespread use of islet transplantation for type…
  • 2020 American Transplant Congress

    Coagulation and Cd46 Transgene Modification in Neonatal Porcine Islet Xenotransplantation

    M. Song, Z. Fitch, K. Samy, Q. Gao, R. P. Davis, F. Leopard, R. Schmitz, N. Huffman, G. Devi, B. Collins, A. D. Kirk

    Surgery, Duke University, Durham, NC

    *Purpose: Vascular thrombosis is a potential cause for early intraportal xeno-islet loss. To better understand the relationship between coagulation and inflammation in early xeno-islet transplantation,…
  • 2020 American Transplant Congress

    LacripepTM and its Analogs Act as Novel Interventional Agents to Promote Long-Term Islet Transplantation Outcomes

    M. Ma1, K. Teixeira2, G. Laurie2, K. Brayman1, P. Chhabra1

    1Department of Surgery, University of Virginia Health System, Charlottesville, VA, 2Department of Cell Biology, University of Virginia Health System, Charlottesville, VA

    *Purpose: To study the prosecretory, prosurvival, and mitogenic effect of Lacripep™ and its analogs in enhancing islet viability, increasing insulin secretion and promoting long-term islet…
  • 2020 American Transplant Congress

    Immunomodulation with FasL Presenting Biomaterials Achieves Long-Term Survival of Allogeneic Islets in the Absence of Chronic Immunosuppression in a Non-Human Primate Model

    J. Lei1, H. Deng1, T. Chen1, K. Lee1, C. Peters1, Z. Yang1, K. Deng1, G. Rickert1, I. Rosales1, N. Serifis1, M. Coronel2, M. Hunckler2, E. Yolcu3, H. Shirwan3, A. García2, J. Markmann1

    1Surgery, Mass General, Boston, MA, 2School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, 3School of Mechanical Engineering, University of Louisville School of Medicine, Louisville, KY

    *Purpose: The full potential of islet transplantation will only be realized by the development of tolerogenic strategies that obviate the need for maintenance immunosuppressants. We…
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