ATC Abstracts

American Transplant Congress abstracts

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  • 2017 American Transplant Congress

    Eight Years of Low-Dose Valganciclovir; Evaluating the Incidence and Risk Factors of CMV in Kidney Transplant Recipients.

    S. El Hajj, M. Kim, J. Azzi, S. Gabardi.

    Kidney Transplant, Brigham and Women's Hostpial, Boston, MA

    Introduction: Cytomegalovirus (CMV) remains one the most clinically relevant and frequent post-transplant infections. Despite the availability of effective antiviral drugs, CMV continues to be of…
  • 2017 American Transplant Congress

    Kidney Transplantation in HCV+ Recipients in a New Era of Diagnostics and Therapeutics.

    C. Traynor, S. Bumb, C. Berg, M. Ellis, J. Roberts, A. Muir, L. King, C. Brady, S. Sanoff.

    Duke University Medical Center, Durham, NC

    BackgroundHepatitis-C infected persons (HCV+) evaluated for kidney transplantation receive rigorous staging of their liver disease, often including liver biopsy. Meanwhile, studies have shown that despite…
  • 2017 American Transplant Congress

    Inhibition of Bruton Tyrosine Kinase Blocks Sensitization in Response to Allogeneic Skin Transplantation and Prolong Skin Graft Survival.

    N. Datta, T. Palumbo, J. Kupiec-Weglinski, A. Zarrinpar.

    Surgery, University of California, Los Angeles, CA

    Antibody mediated rejection and donor specific antibodies are important causes of both early (hyperacute) and late (chronic) graft loss. Bruton tyrosine kinase (Btk) is required…
  • 2017 American Transplant Congress

    Recipient iNOS Deficiency Reduces Spontaneous Kidney Allograft Acceptance by Accelerating Allograft Loss.

    I. Aljabban, B. Jiang, C. Yang, D. Ndishabandi, R. White, P. Russell, J. Madsen, R. Colvin, A. Alessandrini.

    Center for Transplantation Sciences, Massachusetts General Hospital, Boston, MA

    Nitric oxide (NO) production by inducible nitric oxide synthase (iNOS), encoded by NOS2, is a hallmark of the innate immune axis, and is typically associated…
  • 2017 American Transplant Congress

    Suppression of T Cell Proliferation by CpG-Activated B Cells Depends on Granzyme-B and Cell-Cell Contact, but Not on IL-10.

    L. Kojima,1 S. Kimura,1,2 K. Lee,1 C. Schuetz,1 L. Washburn,1 K. Deng,1 H. Tector,1 B. Amundsen,1,2 D. Ndishabandi,1,2 A. Markmann,1 M. Markmann-Porch,1 T. Oura,1 A. Alessandrini,1,2 J. Kim,1 H. Yeh,1,2 J. Markmann.1,2

    1Center for Transplantation Sciences, Massachusetts General Hospital, Boston, MA; 2Transplantation Unit, Department of Surgery, Massachusetts General Hospital, Boston, MA

    Background: Our previous studies document the potent capacity of regulatory B cells (Bregs) to mitigate allograft immunity. However, we have been largely unsuccessful in demonstrating…
  • 2017 American Transplant Congress

    Ex-Vivo Mitomycin-C Exposure Reduced Immunogenicity and Prolonged Survival of Islets by Suppressing the Secretion of Multiple Chemotaxis Factors.

    N. Sato,1 T. Anazawa,2 A. Kenjyo,1 T. Kimura,1 R. Okada,1 T. Ishigame,1 Y. Kofunato,1 J. Watanabe,1 M. Muto,1 A. Nishimagi,1 M. Gotoh,1 S. Marubashi.1

    1Department of Surgery, Division of Hepato-Biliary-Pancreatic and Transplant, Fukushima Medical University, Fukushima, Japan; 2Department of Surgery, Graduate School of Midicine, Kyoto University, Kyoto, Japan

    Background. Strategies to reduce immunogenicity of islets, and to prevent activation of pro-inflammatory events are essential to successful islet engraftment. We previously demonstrated that ex-vivo…
  • 2017 American Transplant Congress

    Pre-Transplant Non-Cytotoxic Donor Specific HLA Antibodies Do Not Increase the Risk of Graft Dysfunction in Kidney Transplant Recipients with Thymoglobulin and IVIG Induction.

    A. Colovai, M. Ajaimi, N. Hayde, L. Kamal, S. Chan, C. Savchik, J. Rocca, E. Akalin.

    Surgery, Montefiore Medical Center, Bronx, NY

    The aim of this study was to evaluate the impact of pre-formed donor specific HLA antibodies (DSA) in a large population of kidney transplant (tx)…
  • 2017 American Transplant Congress

    Biopsies (Bx) of Renal Allografts with Antibody- + Cell-Mediated Rejection (ABMR/CMR) Exhibit Gene Expression Signatures from Both Types of Rejection.

    H. Zhang,1 C. Nast,2 J. Doldron,2 M. Cheung,2 J. Mirocha,3 J. Kahwaji,1 A. Vo,1 S. Jordan,1 M. Toyoda.1

    1Transplant Immunology Laboratory, Cedars-Sinai Medical Center, Los Angeles; 2Pathology, Cedars-Sinai Medical Center, Los Angeles; 3Biostatistics Center, Cedars-Sinai Medical Center, Los Angeles

    Background: In HLA-sensitized kidney transplant patients (Pts) the concomitant presence of ABMR/CMR on Bx is associated with a more severe and (&) usually irreversible injury…
  • 2017 American Transplant Congress

    Describing the Effects of the Antibiotic Regimen Immediate Post Multi-Visceral Transplant in the Pediatric Population on the Time to First Serious Bacterial Infection.

    B. Chatani,1 J. Garcia,2 C. Biaggi,2 T. Beduschi,3 A. Tekin,3 R. Vianna,4 I. Gonzalez.5

    1Pediatrics, Jackson Memorial Hospital, Miami, FL; 2Pediatric Gastroenterology, University of Miami Miller School of Medicine, Miami, FL; 3Miami Transplant Institute, Miami, FL; 4Surgery, University of Miami Miller School of Medicine, Miami, FL; 5Pediatric Infectious Diseases, University of Miami Miller School of Medicine, Miami, FL

    This study is designed to elucidate the effect a tailored antibiotic regimen administered immediately post multi visceral transplantation may have on the duration until first…
  • 2017 American Transplant Congress

    Estrogen Receptor Alpha Mediates Female Protection from Renal Ischemia-Reperfusion Injury Through Mechanisms Extrinsic to the Kidney.

    D. Aufhauser,1 D. Murken,1 Z. Wang,1 G. Ge,1 S. Concors,1 T. Bhatti,2 W. Hancock,2,3 M. Levine.1,4

    1Surgery, University of Pennsylvania, Philadelphia, PA; 2Pathology and Laboratory Medicine, Children's Hospital of Philadelphia, Philadelphia, PA; 3Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA; 4Surgery, Children's Hospital of Philadelphia, Philadelphia, PA

    Introduction: Female protection from renal ischemia-reperfusion injury (IRI) is observed in both mouse and human renal transplantation. We wished to assess the role of estrogen…
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