ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Biopsy"

  • 2017 American Transplant Congress

    Human Transitional B Cell Cytokine Profile Predicts Renal Allograft Rejection and Clinical Course.

    A. Cherukuri, A. Sharma, R. Mehta, S. Hariharan, D. Rothstein.

    UPMC, Pittsburgh

    In Kidney Transplant Recipients (KTRs), non-invasive predictive biomarkers that allow early intervention are limited. Here we report findings from a prospective longitudinal study using B…
  • 2017 American Transplant Congress

    The Immunophenotype of Peritubular Capillaritis in Renal Transplant Biopsies.

    T. Chen,1 L. Rasch,1 T. Al Johani,2 H. McPhail,1 M. Willicombe,3 A. McLean,3 J. Galliford,3 T. Cook,1 C. Roufosse.1

    1Centre for Complement and Inflammation Research, Imperial College, London, United Kingdom; 2Cellular Pathology, King Saud University, Riyadh, Saudi Arabia; 3Dept Renal Medicine, Imperial College Healthcare NHS Trust, London, United Kingdom

    Background: Peritubular capillaritis (ptc) is a feature of acute antibody-mediated rejection (ABMR) in the renal allograft. However, it is not an specific feature for ABMR…
  • 2017 American Transplant Congress

    Quantitative Gene Expression Analysis of CRM-Panel Genes Using FFPE Kidney Tissues for Transplant Injuries.

    T. Sigdel, M. Nguyen, D. Dobi, S.-C. Hsieh, J. Liberto, F. Vincenti, M. Sarwal, Z. Laszik.

    University of California San Francisco, San Francisco

    Background: A common immune response module (CRM) of 11 genes was identified to define acute rejection (AR) through meta-analyses of 1030 different engrafted tissues including…
  • 2017 American Transplant Congress

    Integrated Magnetic-Electrochemical Exosome (iMEX) Technology to Detect Rejection in Kidney Transplant Recipients.

    J. Assaker, J. Park, S. Routray, S. Eskandari, H. Lee, J. Azzi.

    Transplantation Research Center, Harvard Medical School, Boston; Exosome Diagnostic Inc, Cambridge

    Methods for monitoring clinical rejection including increases in serum creatinine and urinary protein excretion may not reflect subclinical rejection. Similarly repeat biopsy may result in…
  • 2016 American Transplant Congress

    Standardized Pre-Implantation Kidney Biopsies of Expanded Criteria Donors to Improve the Kidney Donor Profile Index (KDPI) for the Evaluation of Marginal Donors.

    A. Sánchez-Escuredo,1 A. Sagasta,2 F. Diekmann,1 I. Revuelta,1 L. Rodas,1 D. Paredes,3 M. Musquera,4 N. Esforzado,1 M. Ricart,1 F. Cofan,1 V. Torregrosa,1 J. Campistol,1 M. Sole,2 F. Oppenheimer.1

    1Nephrology and Renal Transplant, Hospital Clínic, Barcelona, Spain; 2Pathology, Hospital Clínic, Barcelona, Spain; 3Transplant Foundation, Hospital Clínic, Barcelona, Spain; 4Urology, Hospital Clínic, Barcelona, Spain.

    There is no consensus of selection criteria used to allocate renal transplants from expanded criteria donors (ECD). The Kidney Donor Profile Index (KDPI) has been…
  • 2016 American Transplant Congress

    Chronic Infection by Hepatitis C Virus and the Development of Transplant Glomerulopathy.

    D. Regidor,1 S. Alexandru,5 M. Martínez,3 N. Polanco,4 E. González,4 A. Serrano,2 J. Morales.4

    1Nephrology, H.Virgen de la Salud, Toledo, Spain; 2Immunology, Instituto de Investigación H. Doce de Octubre, Madrid, Spain; 3Pathology, H.Doce de Octubre, Madrid, Spain; 4Nephrology, H.Doce de Octubre, Madrid, Spain; 5Nephrology, H.Rey Juan Carlos, Madrid, Spain.

    OBJETIVE: To demonstrate that chronic infection with the hepatitis C virus (HCV) is a risk factor for the development of transplant glomerulopathy in a large…
  • 2016 American Transplant Congress

    Predictors of Early Rejection and Allograft Failure in Pediatric Kidney Transplantation: Impact of Histology and Behavior.

    M. Seifert, M. Yanik, R. Mannon.

    University of Alabama at Birmingham School of Medicine, Birmingham.

    Background: Early inflammatory events that lead to allograft dysfunction are often missed by creatinine-based estimates in children. Surveillance biopsies can detect early allograft dysfunction due…
  • 2016 American Transplant Congress

    Mapping Heterogeneity in Antibody-Mediated Rejection Using Molecular Phenotypes and Archetype Analysis.

    J. Reeve,1 P. Halloran.1,2

    1Alberta Transplant Applied Genomics Centre, Edmonton, AB, Canada; 2Medicine, University of Alberta, Edmonton, AB, Canada.

    Archetype analysis is a method for identifying new relationships among samples without subdividing them into classes, finding a limited number of archetypical cases and calculating…
  • 2016 American Transplant Congress

    Interaction Between Kidney Tissue Proteome and Humoral Immunity in Antibody Mediated Rejection.

    A. Konvalinka,1 A. Chruscinski,2 S. Kim,1 K. Tinckam,1 I. Jurisica,3 R. John.4

    1Medicine/Division of Nephrology, Toronto General Hospital, Toronto, ON, Canada; 2Medicine/Division of Cardiology, Toronto General Hospital, Toronto, ON, Canada; 3Medical Biophysics and Computational Science, University of Toronto, Toronto, ON, Canada; 4Pathology, Toronto General Hospital, Toronto, ON, Canada.

    PURPOSE: Antibody-mediated rejection (AMR) is caused by antibodies against human leukocyte antigens (HLA) on graft endothelium, and non-HLA antibodies that target endothelial and epithelial proteins.…
  • 2016 American Transplant Congress

    Role of Natural Killer Cells in Kidney Transplant Outcome.

    E. Carta,1 R. Littera,2 M. Murgia,1 M. Michittu,1 B. Onano,1 G. Piredda,1 D. Argiolas.1

    1Renal Transplant Unit, Azienda Brotzu, Cagliari, Italy; 2Regional Transplant Coordination, ASL 8, Cagliari, Italy.

    Aim of the study was to evaluate the relationship between killer cell immunoglobulin-like receptor (KIR) phenotype and kidney transplant rejection. NK-target cell interaction depends on…
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