ATC Abstracts

American Transplant Congress abstracts

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  • 2015 American Transplant Congress

    Evaluation of Preformed Anti-HLA Antibody of "Unknown Origin" after Kidney Transplant in a Brazilian Center

    D. Glasberg,1 D. Monteiro de Carvalho,2 T. Matuck,2 G. Fabricio-Silva,3 M. Barbosa,1 A. Borela,1 L. Christiani,1 R. Malta,1 L. Porto.3

    1Nephrology, Bonsucesso Federal Hospital, Rio de Janeiro, Brazil; 2Transplant Service, São Francisco de Assis Hospital, Rio de Janeiro, Brazil; 3Histocompatibility and Cryopreservation Laboratory, State University of Rio de Janeiro, Rio de Janeiro, Brazil.

    Background: The use of single antigen beads assay (SAFB) for the detection of anti-HLA antibodies (Abs) may reveal the presence of Abs in individuals without…
  • 2015 American Transplant Congress

    Detection of Donor-Specific Anti-HLA Antibodies Is Associated With Changes in the Peripheral Distribution of NK Cell Subsets in Kidney Allograft Recipients

    M. Crespo,1 D. Redondo,1 J. Yelamos,2 A. Muntasell,2 M. Pérez-Sáez,1 M. Lopez-Montañes,3 C. Garcia,4 A. Torío,5 J. Hernandez,4 M. Mir,1 M. Lopez-Botet,3 J. Pascual.1

    1Nephrology, Hospital del Mar, Barcelona, Spain; 2Servicio de Inmunología, Institut Mar d'Investigacions Mediques, Barcelona, Spain; 3Grup de Investigacio en Immunologia, Universitat Pompeu Fabra, Barcelona, Spain; 4Laboratori de Referencia de Catalunya, Barcelona, Spain; 5Immunology Unit, Hospital de Alicante, Alicante, Spain.

    Background: Microvascular damage has become the real protagonist involved in antibody-mediated rejection and NK-cell antibody-dependent cell mediated cytotoxicity (ADCC) has been proposed as a contributing…
  • 2015 American Transplant Congress

    The Potential Use of the Plasma Biomarker CXCL9 (MIG), Interleukin 2 Receptor alpha (IL2Rα) and SCGF-b as Predictors of Renal Graft Rejection

    C. Blume,1 S. Michael,2 N. Christine,3 H. Hermann,4 F. Christine.3

    1Technical Chemistry, Leibniz University, Hannover, Germany; 2Musculo Sceletal Reserach, University of Wuerzburg, Wuerzburg, Germany; 3Transplant Immunology, Medical School Hannover, Hannover, Germany; 4Dept. Nephrology, Medical School Hannover, Hannover, Germany.

    Background: Early detection of rejection in kidney transplantation is crucial, and predictive plasma biomarkers are highly desirable as non-invasive tests.Methods: From a cohort of 120…
  • 2015 American Transplant Congress

    Validation of a Peripheral Blood Gene Expression Profile for SubClinical Acute Rejection in Kidney Transplant Recipients – Findings from the CTOT 08 Study

    J. Friedewald,1 S. Kurian,2 T. Gelbart,2 D. Salomon,2 M. Abecassis.1

    1Northwestern University, Chicago; 2Scripps Research Institute, La Jolla.

    Background: Sub-clinical acute rejection (SCAR) is histologic acute cellular rejection in the presence of a normal/stable serum creatinine, and is associated with worse graft survival.…
  • 2015 American Transplant Congress

    IFNγ Is Required for nTreg Afferent Lymphatic Migration

    S. Ahmad, Y. Xiong, C. Brinkman, J. Bromberg.

    Surgery, University of Maryland, Baltimore, MD.

    Background: Natural Treg (nTreg) must migrate from graft to draining lymph node (LN) to prolong islet allograft survival, and we previously showed that the transcription…
  • 2015 American Transplant Congress

    Diabetes Mellitus Predicts Outcome in Obesity After Kidney Transplantation

    T. Schachtner,1,2 P. Reinke.1,2

    1Nephrology and Internal Intensive Care, Charité Campus Virchow Clinic, Berlin, Germany; 2Berlin-Brandenburg Center for Regenerative Therapies, Berlin, Germany.

    Obesity has been associated with an increased risk of graft loss and death after kidney transplantation. The role of cellular immunity in obese kidney transplant…
  • 2015 American Transplant Congress

    Graft Outcome Disparity in a Single Renal Transplant Center Based on Recipient Geographic Origin

    R. Flynn, W. Qu, D. Fumo, T. Suttle, S. Selman, M. Rees, J. Ortiz.

    University of Toledo Medical Center, Toledo, OH.

    PURPOSE: The disparity in access to organs for kidney transplantation has led to inter-state “transplant tourism.” Our objective was to determine if recipients traveling over…
  • 2015 American Transplant Congress

    CPRA Values Are Substantially Increased for Some Candidates Subsequent to Inclusion of Unacceptable C-locus (UA-C) Antigens While Listing Practices Remain Unchanged

    A. Kucheryavaya,1 R. Bray,2 A. Miller,1 D. Tyan.3

    1UNOS, Richmond; 2Emory University Hospital, Atlanta; 3Stanford University, Palo Alto.

    Background: CPRA is the % of deceased donors expected to have one or more UAs with a given candidate. Prior to 12/5/13, candidates with UA-C…
  • 2015 American Transplant Congress

    TGR5 Regulates Innate Immune Responses in Mouse Liver Ischemia-Reperfusion Injury Through NRF2/HO-1 Signaling Pathway

    J. Rao, B. Hao, X. Wang, F. Zhang, L. Lu.

    Liver Transplantation Center, First Affiliated Hospital of Nanjing Medical University, Nanjing, China.

    The G-Protein-Coupled Bile Acid Receptor (TGR5), also called Gpbar1 or GPBA, is a G-protein coupled plasma membrane receptor for Bile acids (BAs) which is expressed…
  • 2015 American Transplant Congress

    Clusterin-Regulated Transcriptome in the Kidney During Ischemia-Reperfusion

    G. Dairi, Q. Guan, A. Haegert, C. Collins, M. Gleave, C. Nguan, C. Du.

    Department of Urological Sciences, Vancouver, Canada; The University of British Columbia, Vancouver, Canada; Immunity and Infection Research Centre, Vancouver, Canada; Vancouver Coastal Health Research Institute, Vancouver, Canada.

    BACKGROUND: Ischemia-reperfusion injury (IRI) has a significate impact on both short and long-term transplant outcomes, and is a major cause of delayed graft function in…
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