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American Transplant Congress abstracts

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Articles tagged "Rejection"

  • 2015 American Transplant Congress

    HLA Broad Antigen and Eplet Mismatches in Determining the Risk of Acute Rejection After Kidney Transplantation

    H. Do Nguyen,1 W. Lim,1,2 J. Chapman,3 J. Craig,3,4 G. Wong.3,4

    1School of Medicine and Pharmacology, University of Western Australia, Crawley, Western Australia, Australia; 2Renal Medicine, Sir Charles Gairdner Hospital, Nedlands, Western Australia, Australia; 3Nephrology, The Children's Hospital at Westmead, Sydney, New South Wales, Australia; 4School of Medicine, University of New South Wales, Sydney, New South Wales, Australia.

    Aim: To determine the clinical relevance of HLA-ABDR broad antigen and eplet matching for predicting acute rejection after kidney transplantation.Background: HLAMatchmaker determines structurally HLA compatibility…
  • 2015 American Transplant Congress

    Is Electron Microscopy Adding a Diagnostic Advantage in the Evaluation of Renal Allograft Biopsies for Antibody Mediated Rejection (AMR)?

    J. Papadimitriou, M. Chaudhry, C. Drachenberg, R. Ugarte, D. Klassen, E. Ramos, C. Cangro, B. Thomas, M. Mavanur, A. Haririan.

    Pathology and Medicine, University of Maryland School of Medicine, Baltimore, MD.

    Some electron microscopy (EM) findings have been consistently associated with antibody mediated microvascular injury; however, no large studies have been performed examining the concrete advantage…
  • 2015 American Transplant Congress

    CHBP Suppresses Acute Rejection by Inhibition Maturation of Dendritic Cells though Jak-2/STAT3/SOCS1 Signal in Rat Kidney Transplantation

    C. Yang,1 Y. Zhang,1 J. Wang,1 L. Li,1 L. Wang,2 M. Xu,1 Y. Long,3 R. Rong,1 T. Zhu.1

    1Urology, Zhongshan Hospital, Fudan University, Shanghai, China; 2Biomedical Research Center, Zhongshan Hospital, Fudan University, Shanghai, China; 3CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China.

    Background. Renal acute rejection (AR) affects both allografts and recipients survival. We recently synthesized a novel proteolysis-resistant cyclic helix B peptide (CHBP), which exerts promising…
  • 2015 American Transplant Congress

    Role of Innate Immune Cells in Chronic Allograft Loss and Novel Strategies to Target Them

    C. Wu,1,2 P. Zhao,1 W. Liu,1 X. Xiao,1 X. Shi,1 Y. Peng,1 M. Kloc,1 X. He,2 M. Ghobrial,1 X. Li.1

    1Center for Immunobiology and Transplantation Research, Houston Methodist Hospital and Houston Methodist Research Institute, Houston, TX; 2Organ Transplant Center, 1st Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong, China.

    Despite remarkable improvements in short term transplant survival, the long-term outcome of allografts remains poor in the clinic, and most transplants are eventually lost due…
  • 2015 American Transplant Congress

    The Occurrence of v- Lesions Is Not Associated With Decreased Graft Survival

    P. Halloran, I. Salazar, M. Lopez, J. Chang.

    ATAGC, Edmonton, Canada.

    Intimal arteritis (v-lesions) in kidney transplant biopsies has been believed to have major prognostic and diagnostic significance. We assessed the relationship of v-lesions to prognosis…
  • 2015 American Transplant Congress

    Glucose Chemical Exchange Saturation Transfer MRI of Acute Renal Allograft Rejection

    D. Kentrup,1 A. Busch,2 H. Pawelski,1 V. Hoerr,2,3 S. Reuter.1

    1Department of Medicine D, University Hospital Münster, Münster, Germany; 2Department of Clinical Radiology, University Hospital Münster, Münster, Germany; 3Institute of Medical Microbiology, Jena University Hospital, Jena, Germany.

    Purpose: During acute rejection episodes large amounts of immune cells infiltrate renal grafts, leading to inflammation accompanied by an increased glucose metabolism.Given these circumstances we…
  • 2015 American Transplant Congress

    De Novo Donor-Specific HLA Antibodies After Kidney Transplantation Are Associated With Donation After Circulatory Death and HLA-DQ Mismatch

    G. Dreyer,1 D. Roelen,2 S. Brand-Schaaf,2 O. Dekkers,3 M. Reinders,1 F. Claas,2 J. de Fijter.1

    1Nephrologie, LUMC, Leiden, Netherlands; 2Immunohaematology and Blood Transfusion, LUMC, Leiden, Netherlands; 3Clinical Epidemiology, Aarhus Medical Center, Aarhus C, Denmark.

    Introduction: De novo donor-specific HLA-antibodies (dnDSA) have been associated with rejection and inferior kidney graft survival. The purpose of this study was to investigate the…
  • 2015 American Transplant Congress

    Immune-Mediated Injury in Kidney Transplant Recipients Treated With Alemtuzumab Induction and a Steroid Avoidance Protocol

    R. Sapir-Pichhadze, T. Mahbub, C. Saw, D. Baran.

    McGill University Health Centre, Montreal, Canada.

    Study purpose: We evaluated short-term clinical and immunological outcomes of kidney transplant recipients who received alemtuzumab induction and a steroid-avoidance protocol.Methods: This is a retrospective…
  • 2015 American Transplant Congress

    Allograft Enterectomy as a Life-Saving Procedure and Salvage for Retransplantation

    S. Nagai, R. Mangus, B. Ekser, C. Kubal, J. Fridell, A. Tector.

    Transplant Surgery, Indiana University School of Medicine, Indianapolis, IN.

    Background: Allgraftectomy after solid organ transplantation is usually performed as a palliative therapy. After isolated intestinal transplantation (IIT), allograft enterectomy is sometimes necessary as a…
  • 2015 American Transplant Congress

    ABO Incompatible Simultaneous Liver-Kidney Transplant With Positive Crossmatch. A Case Report

    T. Heffron,1 C. Kulig,2 P. Gauthier,2 B. Bista,2 S. Dionne,3 T. Pillen,1 M. Asolati.1

    1Surgery, Porter Adventist Hospital, Denver, CO; 2Medicine, Porter Adventist Hospital, Denver, CO; 3LABS, Inc., Centennial, CO.

    INTRODUCTION: Donor Specific (DS) antibodies and ABO incompatibility remain major immunological barriers in organ transplantation. Clinical evidence suggest the liver can protect a kidney from…
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