ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "T cell reactivity"

  • 2017 American Transplant Congress

    Loss of Bat3 Could Promote Transplant Tolerance by Regulating CD4 + T Cells Function.

    G. Gu, H. Hang, Q. Xia.

    Department of Hepatic Surgery, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China

    Objective: To explore the effect of Bat3 on T cells and its function in transplant tolerance inductionMethodsWe generated Bat3flox/flox CD4-Cre + mice, sorted WT and…
  • 2017 American Transplant Congress

    CD4+CD28null T Cells Require IL-15 & IL-21 to Become Alloresponsive.

    B. Dedeoglu, N. Litjens, R. Kraaijeveld, W. Verschoor, C. Baan, M. Betjes.

    Internal Medicine, Nephrology & Transplantation, Erasmus MC, University Medical Center, Rotterdam, Netherlands

    IntroductionAgeing and a pro-inflammatory milieu, such as present in patients with end-stage renal disease, are important drivers of increased T-cell differentiation, which is accompanied by…
  • 2017 American Transplant Congress

    A Prospective Observational Study to Evaluate Use of a Panel of Reactive T Cell (PRT) Assay as a Pre-Transplant Marker of Rejection in Kidney Transplant Recipients.

    D. Brennan,1 L. Kayler,2 D. Wojciechowski,3 A. Limaye,4 A. Gaber,5 I. Durrant.6

    1Washington University, St. Louis, MO; 2Erie County Medical Center, Buffalo, NY; 3Massachusetts General Hospital, Boston, MA; 4Washington University, Seattle, WA; 5Houston Methodist, Houston, TX; 6Oxford Immunotec, Oxfordshire, United Kingdom

    Background:To assess risk of T cell mediated acute rejection a recently developed assay uses a panel of reactive T cell lines (PRT) to measure recipient…
  • 2017 American Transplant Congress

    Prospective Randomized Trial for Predicting CMV Infection According to Baseline CMV-Specific T-Cell Immunity in Kidney Transplant Patients.

    M. Jarque,2 E. Melilli,1 A. Gutierez,3 F. Moreso,4 L. Guirado,5 A. Manonelles,1 J. Cruzado,1,2 S. Luque,2 E. Crespo,2 N. Montero,1 F. Diekman,6 J. Grinyó,1,2 O. Bestard.1

    1Nephrology Dep, Bellvitge Hospital, Barcelona, Spain; 2Nephrology Laboratory, IDIBELL, Barcelona, Spain; 3Kidney Transplant Unit, Hospital Miguel Servet, Zaragoza, Spain; 4Kidney Transplant Unit, Hospital Vall d'Hebrón, Barcelona, Spain; 5Kidney Transplant Unit, Fundació Puigvert, Barcelona, Spain; 6Kidney Transplant Unit, Hospital Clínic, Barcelona, Spain

    Background: Despite the use of either anti-viral prophylaxis (PF) or preemptive (PE) therapy given based on donor/recipient IgG-serostatus, Cytomegalovirus (CMV) reactivation persists after kidney transplantation…
  • 2016 American Transplant Congress

    Investigating Posttransplant Allo-Donor Specific CD57+ Cells in Patients with Alemtuzumab Induction and Belatacept-Based Regimen.

    H. Xu, F. Feng, A. Kirk.

    Department of Surgery, Duke University, Durham, NC.

    Recent studies have showed correlation between CD4+CD57+PD1- cells and costimulation blockade resistant rejection (CoBRR) in patients treated with belatacept without depletional induction. We have recently…
  • 2016 American Transplant Congress

    Post-Transplant T-Cell Alloreactive Perturbation Precedes the Advent of Humoral Immunity in Kidney Transplant Patients.

    E. Crespo,1 S. Luque,1 J. Cruzado,2 E. Melilli,2 J. Grinyo,2 M. Lucia,1 O. Bestard.2

    1Experimental Nephrology Laboratory, IDIBELL, Barcelona, Spain; 2Kidney Transplant Unit, Bellvitge University Hospital, Barcelona, Spain.

    Subclinical inflammation in kidney allografts is associated with worse outcome and the activation of humoral alloimmunity. Surveillance allograft biopsies are an accurate tool to diagnose…
  • 2016 American Transplant Congress

    Zero and One Mismathing for HLA DR10,14,16 Produces Increased Kidney Graft Survival.

    J. Cicciarelli,1,2 Y. Cho,2 M. Altrich,1 N. Kasahara,1,3 N. Lemp.1

    1Viracor-IBT HLA Lab, Viracor-IBT Laboratories, Los Angeles, CA; 2USC Keck School of Medicine, Los Angeles, CA; 3University of Miami, Miami, FL.

    Aims: HLA DR matching has shown measureable significant effects in kidney graft survival. Part and parcel of this association is the HLA Class II allele…
  • 2016 American Transplant Congress

    Urine-Derived Cell Lines as a Novel Tool for Monitoring Allo-Reactivity in Kidney Transplant Patients.

    C. Thieme,1 B. Weist,1 M. Schmück,1 P. Reinke,1 N. Babel.1,2

    1Berlin-Brandenburg Center for Regenerative Therapies, University Medicine Berlin, Berlin, Germany; 2Medical Clinic I, Marien Hospital Herne, Ruhr-University Bochum, Herne, Germany.

    Reactivity of the immune system against donor antigens determines transplant-rejection after transplantation, and analyzing the alloimmune response has been shown to predict acute rejection in…
  • 2016 American Transplant Congress

    Evaluating Posttransplant BKV-Specific T Cell Responses in Patients with Alemtuzumab Induction and Belatacept-Based Regimen.

    M. McRae, T. How, A. Kirk, H. Xu.

    Department of Surgery, Duke University, Durham, NC.

    Belatacept-based maintenance regimens prevent acute allograft rejection following alemtuzumab induction, and patients so treated maintain intact anti-CMV and -EBV T cell immune responses without viral…
  • 2016 American Transplant Congress

    2B4 Over-Expression Impairs Donor-Reactive CD8+ T Cell Proliferation and Accumulation Following Transplantation.

    S. Laurie, D. Liu, M. Ford.

    Emory Transplant Center, Emory University School of Medicine, Atlanta, GA.

    T cell function is tightly regulated by a fine balance of coinhibitory signals, including those transduced by 2B4 (SLAMf4, CD244), an immunoglobulin-superfamily member constitutively expressed…
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