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Articles tagged "Autoimmunity"

  • 2018 American Transplant Congress

    AT1R Antibody Analysis: High Proportion of Non-Specific Reactivity?

    A. Halpin,1,3,4,5 S. Abou-Zeki,3 I. Larsen,1,4 P. Campbell,2,3,4,5 S. Urschel,1,4,5 L. West.1,3,4,5

    1Dept of Pediatrics, U of Alberta, Edmonton, Canada; 2Dept of Medicine, U of Alberta, Edmonton, Canada; 3Dept of Lab Medicine & Pathology, U of Alberta, Edmonton, Canada; 4ATI, , Canada; 5CNTRP, , Canada.

    INTRODUCTION:The angiotensin II type 1 receptor (AT1R) is expressed on vascular endothelium. AT1R antibodies (Ab) have been studied to examine their relevance in renal and…
  • 2018 American Transplant Congress

    Low Intensity Conditioning Protocol for Inducing Chimerism-Based Tolerance in Non-Obese Diabetic Mice

    A. Chhabra, Y. Huang, H. Xu, A. Merchak, S. Ildstad.

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

    Type 1 diabetes is the most common chronic disease affecting children. Islet cell or pancreas transplantation offer the most physiologic approach to glucose homostasis. However…
  • 2018 American Transplant Congress

    Impact of Early Corticosteroid Treatment in Patients with Indeterminate Acute Severe Hepatitis

    E. Mohr,1 R. Sucher,2 T. Müller,3 T. Kaiser,4 T. Berg.1

    1Hepatology, University Clinic Leipzig, Leipzig, Germany; 2Transplant Surgery, University Clinic Leipzig, Leipzig, Germany; 3Hepatology, Charite, Berliin, Germany; 4Laboratory Diagnostics, University Clinic Leipzig, Leipzig, Germany.

    Background and Aims: Discrimination of acute severe autoimmune hepatitis AIH and drug induced liver injury in patients with indeterminate acute severe Hepatitis is challenging. Early…
  • 2018 American Transplant Congress

    An Open-Label Proof-of-Principle Phase 2a Study to Evaluate Autologous Hematopoietic Stem Cell Transplantation for Allogeneic Organ Transplant Tolerance (ASCOTT)

    A. Chruscinski,1 H. Atkins,2 M. Macarthur,1 C. Anne Marie,2 D. Grant,1 C. Bredsen,2 E. Renner,1 L. Lilly,1 N. Selzner,1 O. Adeyi,1 R. Smith,1 S. Moshkelgosha,1 A. Humar,1 S. Juvet,1 G. Levy.1

    1Multi-Organ Transplant Program, University Health Network, Toronto, ON, Canada; 2Ottawa Hospital Research Institute, The Ottawa Hospital, Ottawa, ON, Canada.

    Background: Long-term survival of recipients of solid organ transplants is hampered by chronic rejection, disease recurrence and immunosuppression-induced toxicity. Self-tolerance is re-established after autologous hematopoietic…
  • 2018 American Transplant Congress

    Elevated Skin Specific Non-HLA Antibodies Correlate with Acute Rejection Episodes in Clinical VCA

    B. Kollar,1 A. Uffing,2 T. Win,1 S. Tasigiorgos,1 B. Pomahac,1 F. Quintana,3 L. Riella.2

    1Division of Plastic Surgery, Brigham and Women's Hospital, Boston, MA; 2Transplantation Research Center, Brigham and Women's Hospital, Boston, MA; 3Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Boston, MA.

    Introduction: Vascularized composite allotransplantation (VCA) is unique by presence of the skin in the allografts. Due to the high immunogenicity of skin and the presence…
  • 2018 American Transplant Congress

    Prevention and Reversal of Diabetes through Restoration of B and T Cell Regulation and Immune Homeostasis

    K. Brayman,1 P. Chhabra,1 C. Wilson,2 A. Marshall,2 D. Moore.2

    1Surgery, University of Virginia, Charlottesville, VA; 2Pediatric Endocrinology, Vanderbilt University, Nashville, TN.

    Goal: To determine the mechanisms by which IgM restores immune homeostasis in new-onset diabetic NOD mice.Methods: 1) 5wks old non-obese diabetic (NOD) mice received mouse…
  • 2018 American Transplant Congress

    Circulating Exosomes with Lung Self-Antigens, Kα1Tubulin and Collagen V, and Immune Regulatory Proteins in Lung Transplant Recipient with Primary Graft Dysfunction

    M. Sharma, S. Biswas Roy, R. Walia, A. Omar, R. Bremner, M. Smith, T. Mohanakumar.

    Norton Thoracic Institute, St. Joseph's Hospital & Medical Center, Phoenix.

    Background: Circulating exosomes isolated from lung transplant recipients (LTxRs) with acute or chronic rejection contains lung self-antigens (SAgs), K alpha 1 tubulin (Kα1T) and collagen…
  • 2018 American Transplant Congress

    Identification of T Cells as Target of Intervention to Decrease Anti-LG3 Autoantibody Levels Prior to Transplantation

    M. Dieudé, L. Padet, A. Karakeussian-Rimbaud, B. Yang, J. Turgeon, H. Cardinal, M-.J. Hébert.

    Research Centre, Centre Hospitalier de l'Université de Montréal (CRCHUM), Montreal, QC, Canada.

    Autoantibodies against perlecan/LG3 fragment (anti-LG3) have been associated with accelerated allograft rejection and long-term renal allograft dysfunction. Intriguingly, anti-LG3 are present prior to transplantation in…
  • 2017 American Transplant Congress

    Islet Rejection in Autoimmune NOD Mouse Recipients: Implications for Stem Cell Therapies.

    R. Gill,1 M. Coulombe,1 T. Kupfer,1 K. Beard,1 A. Burrack.2

    1Surgery and Immunology, University of Colorado Denver, Aurora, CO; 2University of Minnesota, Minneapolis, MN

    Several efforts are ongoing to use stem cell precursors to generate islet-like tissues suitable for transplantation in autoimmune Type 1 diabetic (T1D) recipients. During the…
  • 2017 American Transplant Congress

    IgM Immunotherapy Restores Immune Homeostasis in Type 1 Diabetes.

    P. Chhabra,1 C. Wilson,2 D. Moore,2 K. Brayman.1

    1Surgery, University of Virginia, Charlottesville, VA; 2Pediatric Endocrinology, Vanderbilt University, Nashville, TN

    Goal: To determine the mechanism(s) by which IgM immunotherapy restores immune homeostasis in Type 1 Diabetes (T1D).Background: IgM immunotherapy prevents the onset and progression of…
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