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American Transplant Congress abstracts

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Articles tagged "Immunogenicity"

  • 2018 American Transplant Congress

    The Relative Immunogenicity of HLA Mismatches in Adult Liver Transplant Recipients

    V. Jucaud,1 A. Shaked,2 M. DesMarais,3 P. Sayre,3 M. Everly.1

    1Terasaki Research Institute, Los Angeles, CA; 2University of Pennsylvania, Philadelphia, PA; 3Immune Tolerance Network, Seattle, WA.

    Determining the immunogenicity of HLA mismatches (MM) may help preventing the appearance of de novo DSA (dnDSA) and avoiding antibody-mediated injuries.We studied the development of…
  • 2018 American Transplant Congress

    Ex-Vivo Pretreatment of Islets with Mitomycin-C Have a Potential to Induce Specific Immune Response for Peripheral Tolerance

    N. Sato, A. Kenjo, T. Kimura, R. Okada, T. Ishigame, Y. Kofunato, J. Watanabe, M. Muto, S. Suzushino, T. Shimura, S. Marubashi.

    Hepato-Biliary-Pancreatic and Transplant Sugery, Fukushima Medical University, Fukushima, Japan.

    Background.Our previous study demonstrated that ex-vivo Mitomycin-C(MMC) pretreatment of islets reduced immunogenicity, enhancing graft survival without immunosuppression(IS). However, it is still unclear whether donor specific…
  • 2018 American Transplant Congress

    Impact of Immunogenicity on Kidney Allograft Survival in Patients Treated with Induction Therapy

    D. Bekbolsynov, B. Mierzejewska, M. Rees, J. Ortiz, O. Ekwenna, S. Stepkowski.

    University of Toledo, Toledo.

    Background. The induction therapy is currently used in the majority of kidney transplant recipients, regardless of their level of donor/recipient compatibility. We examined whether lower…
  • 2018 American Transplant Congress

    Immunogenic HLA Mismatches and Evidence That Belatacept May Be the First Therapy Able to Prevent DQ De Novo DSA: An Analysis of the BENEFIT and BENEFIT-EXT Trial Cohorts

    M. Everly,1 V. Jucaud,1 M. Roberts,2 H. Gebel,3 R. Bray.3

    1Terasaki Research Institute, Los Angeles, CA; 2Immunology Biomarker Group, Bristol-Myers Squibb, Princeton, NJ; 3Pathology & Laboratory Medicine, Emory University School of Medicine, Atlanta, GA.

    The use of belatacept over cyclosporine is associated with lower rates of DSA development in adult kidney transplantation. However, the effect of belatacept on the…
  • 2018 American Transplant Congress

    Simultaneous Persistence and Development of Donor and Recipient Tissue Resident Memory T Cells in Lung Transplantation

    M. Snyder,1 T. Connors,2 C. Marboe,3 L. Benvenuto,1 L. Shah,1 H. Robbins,1 J. Hook,1 F. D'Ovidio,4 M. Bacchetta,4 J. Sonnett,4 S. Arcasoy,1 D. Farber.4,5

    1Medicine, Columbia University Medical Center, New York, NY; 2Pediatrics, Columbia University Medical Center, New York, NY; 3Pathology, Columbia University Medical Center, New York, NY; 4Surgery, Columbia University Medical Center, New York, NY; 5Microbiology & Immunology, Columbia University Medical Center, New York, NY.

    Introduction: The predominant T cell population in the lung comprises non-circulating tissue-resident memory T cells (TRM); however, the fate of these cells in transplanted lung…
  • 2018 American Transplant Congress

    Graft Perfusion with Alvespimycin, an HSP90 Inhibitor, Suppresses Acute Allograft Rejection and Prolongs Graft Survival in Murine Heart Transplantation

    T. Tanaka, T. Maehana, N. Masumori.

    Department of Urology, Sapporo Medical University, Sapporo, Japan.

    Purpose: We have previously demonstrated that administration of a heat shock protein 90 (HSP90) inhibitor to recipients prolonged the allograft survival in murine skin and…
  • 2018 American Transplant Congress

    Determining the Relative Immunogenicity of HLA Mismatches with Calcineurin Inhibitor Immunosuppression: An Analysis of the BENEFIT and BENEFIT-EXT Renal Transplant Cohort

    V. Jucaud,1 M. Roberts,2 H. Gebel,3 R. Bray,3 M. Everly.1

    1Terasaki Research Institute, Los Angeles, CA; 2Immunology Biomarker Group, Bristol-Myers Squibb, Princeton, NJ; 3Pathology & Laboratory Medicine, Emory University School of Medicine, Atlanta, GA.

    We studied the relative immunogenicity of HLA-A, -B, -C, -DR and -DQ MM (serological) in a cohort of 291 kidney transplant patients from the BENEFIT…
  • 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…
  • 2017 American Transplant Congress

    Rapamycin Directly Alters Human Endothelial Cell Alloimmunogenicity.

    V. Bendersky,1 H. Xu,2 A. Kirk.2

    1School of Medicine, Duke University, Durham, NC; 2Department of Surgery, Duke University, Durham, NC

    The mTOR inhibitor rapamycin (Rapa) is known to suppress T cell function. However, many of its in vivo effects, particularly its synergistic effects with costimulation…
  • 2017 American Transplant Congress

    Extra-Renal Cardiac Injury Is Associated with Upregulation of NOD2 and Nlrp3 in the Heart After Renal IRI.

    A. Scheinok, S. Kasimsetty, E. Soo, C. Nelson, A. Shigeoka, D. McKay.

    Medicine, Division of Nephrology and Hypertension, University of California San Diego, La Jolla, CA

    Background: Recent studies show renal ischemia reperfusion injury (IRI) is associated with systemic release of danger associated molecular patterns (DAMPs). DMAPs induce significant extra-renal organ…
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