ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Antibodies"

  • 2018 American Transplant Congress

    Rituximab Interference in B-Cell Crossmatch: A Problem Solved

    P. Malvezzi,1 O. Senoussi,2 T. Jouve,1 C. De Palma,2 L. Rostaing,1 B. Bardy,2 D. Masson.2

    1Service de Néphrologie, Dialyse, Aphérèses et Transplantation, CHU Grenoble Alpes, Grenoble, France; 2Laboratoire d'Histocompatibilité, EFS Rhone Alpes, Grenoble, France.

    Background: Rituximab is commonly prescribed in ABO- or HLA-incompatible kidney transplantation. When used before transplant it interferes with B lymphocyte complement-dependent crossmatch (CDC CM) or…
  • 2018 American Transplant Congress

    Contemporary Desensitization with Low Dose Rituximab Ensures Kidney Transplant Outcome beyond ABO Blood Type Incompatibility:A Comparison between past Regimens in Single Institute

    H. Harada, Y. Wada, A. Mitsuke, T. Hirose, N. Fukuzawa, T. Seki.

    Kidney Transplant Surgery and Urology, Sapporo City General Hospital, Sapporo, Japan.

    INTRODUCTION: An ABO incompatible kidney transplant (ABOiKT) requires desensitization (DS). The ways of DS have been changed chronologically and the outcome could have been subsequently…
  • 2018 American Transplant Congress

    Reassessment of Virtual Crossmatch: The Clinical Meaning of Cell-Based Actual Crossmatch for Kidney Transplantation

    B. Peng,1,2 M. Yu,1,2 Q. Zhuang,1,2 H. Liu,1,2 L. Zhu,1,2 Y. Liu,1,2 K. Cheng,1,2 Y. Ming.1,2

    1Transplantation Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China; 2Engineering & Technology Research Center for Transplantation Medicine, National Ministry of Health, Changsha, Hunan, China.

    Background: Due to the high sensitivity and specificity of Luminex technique, the Luminex single antigen beads (LSAB) assays are widely used in detecting the HLA…
  • 2018 American Transplant Congress

    Equivalent Clinical Outcomes and Stable Post-Operative Anti-A IgG Titers in A2 to B Renal Transplant Recipients Compared to Matched B to B Cohort

    C. Barnhill,1 P. Warner,2 A. Weiss,1 C. Kuhr,1 N. Cowan,1 J. Brandenberger.1

    1Transplant, Virginia Mason Medical Center, Seattle; 2Immunogenetics/HLA Laboratory, Bloodworks Northwest, Seattle.

    With the longest wait times and lowest rate of transplantation, ABO type B renal transplant candidates are at a disadvantage when compared to their type…
  • 2018 American Transplant Congress

    B Cell Immune Repertoire Sequencing Identifies Pre-Transplant Rejection Risk

    S. Pineda,1,2 T. Sigdel,1 J. Liberto,1 K. Roskin,3 S. Robin,3 M. Sirota,2 M. Sarwal.1

    1Surgery, UCSF, SF; 2ICHS, UCSF, SF; 3Pathology, Stanford, Stanford.

    Background: The diversity of the B cell immune repertoire may drive humoral injury and rejection in organ transplantation (tx).Methods: We utilized advances in next-generation sequencing…
  • 2018 American Transplant Congress

    IgM HLA DSAs Do Not Alter the Outcomes of Renal Allograft Rejection

    A. Gueret-Wardle,1 P. Dodd,1 G. Lucisano,1 S. Hassan,1 P. Brookes,2 E. Santos-Nunez,2 N. Firmin,2 D. Goodall,1 C. Roufosse,1 M. Willicombe,1 D. Taube.1

    1Renal and Transplant Centre, Imperial College Healthcare NHS Trust, London, United Kingdom; 2Histocompatibility and Immunogenetics, Imperial College Healthcare NHS Trust, London, United Kingdom.

    Introduction: whilst IgG HLA DSAs are associated with renal allograft rejection and graft loss, the role of IgM HLA DSAs is controversial. We investigate the…
  • 2018 American Transplant Congress

    Impact of Vitamin D Status on Immune-Mediated Graft Function Following Kidney Transplantation

    C. Pham,1 B. Pierce,1 S. Bapat,2 S. Kuten,1 L. Moore,3 A. Gaber.3

    1Department of Pharmacy, Houston Methodist Hospital, Houston; 2College of Pharmacy, University of Houston, Houston; 3Department of Surgery, Houston Methodist Hospital, Houston.

    Ubiquitous expression of vitamin D receptors on antigen-presenting cells has sparked interest into its immunomodulatory effects. While previous literature has described the effect of vitamin…
  • 2018 American Transplant Congress

    Two Similar Risk Models Identify Different Patients for Graft Loss: Implications for Clinical Trials in DSA+ Kidney Transplant Recipients

    A. Bentall, B. Smith, W. Park, C. Schinstock, M. Stegall.

    William J von Liebig Transplant Center, Mayo Clinic, Rochester.

    Introduction. Kidney Transplant Recipients (KTx) with donor-specific alloantibody (DSA) at transplantation have increased death-censored graft failure (DCGF) due to chronic antibody mediated rejection (cABMR), but…
  • 2018 American Transplant Congress

    Assessment of Donor Specific Anti-HLA Antibodies throughout SLK Transplantation

    P. Jindra, M. Kueht, S. Gray, D. Giang, M. Cusick, A. Rana, B. Murthy, W. Etheridge, J. Goss, R. Kerman.

    Division of Abdominal Transplantation and Hepatobiliary Surgery, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX.

    Simultaneous Liver-Kidney transplantation provides a mechanism to protect the transplanted kidney from recognition by the recipient's immune response compared to solitary kidney transplant alone. High…
  • 2018 American Transplant Congress

    Mitochondrial Autophagy Proteins Bnip3 and Nix Maintain Memory B Cell Survival

    S. Kodali,1 H. Sandoval,1 M. Chen,2 J. Wang.1

    1Immunobiology and Transplant Science Center, Houston Methodist Research Institute, Houston, TX; 2Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX.

    Despite the use of immunosuppressive drugs, allograft rejection remains a major hurdle for the long-term success of organ transplants. Burgeoning evidence implicates memory B cells…
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