ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Immunosuppression"

  • 2015 American Transplant Congress

    Third Party Mesenchymal Stromal Cell Infusion in Kidney Transplant Recipient: 6-Month Safety Interim Analysis

    L. Weekers,1 P. Erpicum,1 O. Detry,3 C. Lechanteur,2 E. Baudoux,2 F. Jouret,1 Y. Beguin.2

    1Nephrology, University Hospital of Liege, Liege, Belgium; 2Hematology, University Hospital of Liege, Liege, Belgium; 3Abdominal Surgery, University Hospital of Liege, Liege, Belgium.

    Back-groundMesenchymal stromal cell (MSC) have immunomodulating properties and could be used as immunosuppressive agents.We report the 6-month safety results for the 5 first patients treated…
  • 2015 American Transplant Congress

    Pharmacogenomic Predictors of Acute Rejection in Kidney Transplant Recipients Identified Using a DNA Biobank Linked to Electronic Medical Records

    K. Birdwell,1 D. Velez-Edwards,2 G. Vranic,5 J. Denny,1,3 L. Choi,4 T. Ikizler,1 D. Haas.1

    1Medicine, Vanderbilt University Medical Center, Nashville, TN; 2Vanderbilt Epidemiology Center, Vanderbilt University Medical Center, Nashville, TN; 3Biomedical Informatics, Vanderbilt University Medical Center, Nashville, TN; 4Biostatistics, Vanderbilt University Medical Center, Nashville, TN; 5Medicine, University of Virginia, Charlottesville, VA.

    Purpose: Risk for acute rejection (AR) complicating transplant immunosuppression may be affected by frequent variants in pharmacogenes. Using a DNA biobank linked to electronic medical…
  • 2015 American Transplant Congress

    Interference of Therapeutic Antibodies Used in Desensitization Protocols On Lymphocytotoxicity Crossmatch Results

    D. Milongo,1,3 G. Vieu,2,4,3 S. Blavy,2,4 A. Del Bello,1,3 F. Sallusto,5 L. Rostaing,1,3 N. Kamar,1,3 N. Congy-Jolivet.2,4,3

    1Department of Nephrology and Organ Transplantation, CHU Rangueil, Toulouse, France; 2Laboratoire d'Immunologie, CHU de Toulouse, Toulouse, France; 3Université Toulouse III Paul-Sabatier, Toulouse, France; 4Laboratoire d'Immunogénétique Moléculaire, EA 3034, Université Toulouse III Paul-Sabatier, Toulouse, France; 5Department of Urology, CHU Rangueil, Toulouse, France.

    Background: Therapeutic antibodies used to desensitize patients awaiting a human leukocyte antigen (HLA) or ABO-mismatched graft are suspected to interfere with the lymphocytotoxicity crossmatch (LCT-XM)…
  • 2015 American Transplant Congress

    CMV prevalence in Mauritian and Indonesian Cynomolgus Macaques: Significance in Transplantation and CMV Disease Models

    K. Premanand,1 E. Szilagyi,1 J. Yu,1 R. Patel,1 A. Antony,1 M. Willman,2 D. Berman-Weinberg,2 D. Han,2 A. Vaidya,3 E. Silva,3 K. McHenry,3 D. Salomon,4 N. Kenyon,2 A. Bartholomew.1

    1University of Illinois, Chicago; 2Univerisity of Miami, Miami; 3University of Illinois, Urbana; 4Scripps, San Diego.

    Despite the finding that most macaques express high serologic titers of anti-CMV antibody, susceptibility to disease appears to be variable post-transplant. This observation led us…
  • 2015 American Transplant Congress

    Steroid-Free Quadruple Induction Regimen With Basiliximab, Everolimus, Mycophenolate and Very Low Dose Tacrolimus Reduces Incidence of Biopsy-Proven Acute Rejection and Toxicity Profile Compared to the Standard Triple Regimen

    M. Miura, H. Higashiyama.

    Department of Renal Transplantation Surgery, Sapporo Hokuyu Hospital, Sapporo, Japan.

    Objectives: Nephrotoxicity of calcineurin inhibitors (CNI) in kidney allografts has been a significant clinical problem even with low exposure regimens. On the other hand, CNI-free…
  • 2015 American Transplant Congress

    Safety and Efficacy of Low Dose and Very Low Dose Extended-Release Tacrolimus / MMF in De Novo Kidney Transplant Recipients

    Y. Watarai,1 M. Okada,1 K. Futamura,1 K. Ito,1 T. Yamamoto,1 M. Tsujita,1 T. Hiramitsu,1 N. Goto,1 S. Narumi,1 T. Kobayashi.2

    1Transplant Surgery, Nagoya Daini Red Cross Hospital, Nagoya, Japan; 2Applied Immunology, Nagoya University Graduate School of Medicine, Nagoya, Japan.

    Recently, once-daily tacrolimus extended-release formulation (TACER) has been accepted in kidney transplantation, however its optimal dosing are not well evaluated. We have validated low dose…
  • 2015 American Transplant Congress

    Variables Related to the Development of Donor Specific Antibodies (DSA) Post-Kidney Transplant (KTx): Implications for Late Graft Histology and Survival

    F. Cosio,1 C. Schinstock,1 M. Stegall.2

    1Medicine, Mayo Clinic, Rochester, MN; 2Surgery, Mayo Clinic, Rochester, MN.

    Introduction. The incidence of de novo DSA increases post-KTx. DSA is associated to reduced graft survival likely due to chronic antibody mediated rejection (cAMR). However,…
  • 2015 American Transplant Congress

    Reduced Incidence of Cytomegalovirus Infection in Kidney Transplant Recipients Receiving Everolimus

    H. Tedesco-Silva,1 C. Felipe,1 A. Ferreira,1 M. Cristelli,1 T. Sandes- Freitas,1 N. Oliveira,1 W. Aguiar,2 G. Bassos,1 M. Franco,3 M. Gerbase- Lima,4 E. Campos,4 J. Medina-Pestana.1

    1Nephrology, Hospital do Rim UNIFESP, Sao Paulo, Brazil; 2Urology, Hospital do Rim UNIFESP, Sao Paulo, Brazil; 3Pathology, UNIFESP, Sao Paulo, Brazil; 4Immunogenetic, AFIP, Sao Paulo, Brazil.

    BACKGROUND: CMV infection is associated with inferior long-term kidney transplant outcomes. This study compared the incidence of CMV infection/disease in de novo kidney transplant recipients…
  • 2015 American Transplant Congress

    IL-21 Regulates Creation of Tertiary Lymphoid Organs in Chronic Allograft Rejection

    C. Baum,1 M. Khattar,2 P. Schroder,1 W. Chen,3 S. Stepkowski.1

    1Medical Microbiology and Immunology, University of Toledo College of Medicine, Toledo, OH; 2Department of Cancer Immunology and AIDS, Dana-Farber Cancer Institute, Boston, MA; 3Transplant Immunology Research Program, Houston Methodist Research Institute, Houston, TX.

    BACKGROUND: IL-21 is a cytokine expressed almost exclusively by cells of the adaptive immune system. This makes it an attractive target for reducing chronic allograft…
  • 2015 American Transplant Congress

    Not Only CD28null But Also CD28pos T Cells Contribute to Rejection During Belatacept Treatment

    G. de Graav,1 D. Hesselink,1 R. Kraaijeveld,1 M. Dieterich,1 W. Weimar,1 M. Clahsen-Van Groningen,2 C. Baan.1

    1Internal Medicine, Erasmus Medical Center, Rotterdam, South Holland, Netherlands; 2Pathology, Erasmus Medical Center, Rotterdam, South Holland, Netherlands.

    To explain the underlying immunological mechanisms for rejection under belatacept treatment, the phenotypical and functional characteristics of graft infiltrating lymphocytes were studied during rejection under…
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