ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Rejection"

  • 2017 American Transplant Congress

    Belatacept for Chronic Antibody-Mediated Rejection in Kidney Transplantation.

    D. Kumar,1 G. Gupta,1 J. Reeve,2 P. Sanghi,1 S. Bobba,1 M. Levy,1 C. Bhati,1 P. Kimball,1 H. Fattah,1 A. King,1 H. Massey,1 P. Halloran.2

    1Virginia Commonwealth University, Richmond; 2Alberta Transplant Applied Genomics Center, Edmonton, Canada

    Background: Chronic antibody mediated rejection (cAMR) is a major cause of long-term kidney transplant (KT) loss. Antibody or immune cell depletional therapies have unclear efficacy…
  • 2017 American Transplant Congress

    Donor-Derived Cell-Free DNA Correlates with Antibody-Mediated Rejection in Kidney Allografts.

    R. Bloom,1 J. Bromberg,2 E. Poggio,3 D. Hiller,4 R. Woodward,4 J. Sninsky,4 J. Yee,4 D. Brennan.5

    1University of Pennsylvania, Philadelphia, PA; 2University of Maryland, Baltimore, MD; 3Cleveland Clinic, Cleveland, OH; 4CareDx, Brisbane, CA; 5Washington University, St. Louis, MO

    Purpose: Donor-derived cell-free DNA (dd-cfDNA) is a noninvasive test of allograft injury that may enable more frequent, quantitative, and safer assessment of allograft rejection and…
  • 2017 American Transplant Congress

    Dysregulated Innate Immune Response Is a Robust Predictor of Allograft Injury and Survival Across All Transplanted Organs.

    T. Azad,1 M. Donato,1 L. Heylen,2 S. Shen-Orr,3 T. Sweeney,1 M. Naesens,2 P. Khatri.1

    1Institute for Immunity, Transplantation and Infection, Stanford University, Stanford, CA; 2University of Leuven, Leuven, Belgium; 3Technion-Israel Institute of Technology, Haifa, Israel

    ObjectiveLate allograft failure is characterized by long-term cumulative effects of subclinical allograft injury. An optimal biomarker diagnoses acute rejection (AR), correlates with ongoing graft damage,…
  • 2017 American Transplant Congress

    Microcirculation Inflammation in Kidney Allograft Biopsies.

    M. Giordani,1 M. Bedini Rocca,1 S. Groppa,1 C. Mombelli,1 S. Christiansen,2 M. Ocampo,1 G. Rosa Diez,1 N. Imperiali.1

    1Nephrology, Hospital Italiano, Buenos Aires, Argentina; 2Pathology, Hospital Italiano, Buenos Aires, Argentina

    Introduction: The Microcirculation Inflammation (IM) in kidney transplants is a strong predictor of graft loss inde-pedent of C4d and donor specific antibody(DSA)ObjetiveAnalysis of kidney allograft…
  • 2017 American Transplant Congress

    Low Incidence of Acute Rejection within the Six Months After Transplantation in HIV Recipients Treated with Raltegravir, the ANRS 153 Treve Trial.

    M. Matignon,1 A. Lahiani,9 J. Lelievre,2 D. Desvaux,6 K. Abassi,9 A. Diallo,9 M. Peraldi,7 A. Taburet,4 J. Saillard,5 C. Delaugerre,3 L. Assoumou,9 P. Grimbert,1 TREVE ANRS Study Group.5

    1Nephrology, APHP Henri Mondor, Créteil, France; 2Immunology, APHP Henri Mondor, Créteil, France; 3Virology, APHP Saint Louis, Paris, France; 4Pharmacology, APHP, Le Kremlin-Bicêtre, France; 5ANRS, Paris, France; 6Anatomopathology, APHP Henri Mondor, Créteil, France; 7Nephrology, APHP Saint Louis, Paris, France; 8UMR_S 1136, Paris, France

    Renal transplantation is safe and effective in HIV patients with end stage renal disease (ESRD). High rates of acute rejection (AR) have been reported because…
  • 2017 American Transplant Congress

    Microvascular Inflammation at 4 Months Posttransplant Is Associated with Transplant Glomerulopathy at One and Two Years Independent of Rejection and Donor Specific Antibodies.

    H. Khamash, G. Mour, L. Archambault, M. Buras, H. Kosiorek, M. Pando, K. Reddy, H. Chakkera, J. Huskey, S. Nair, A. Jaramillo, M. Smith, B. Kaplan, R. Heilman.

    Mayo Clinic Arizona, Phoenix

    Aim: Study factors that are associated with transplant glomerulopathy (TG) in flowcytometric crossmatch negative kidney transplant recipients with no desensitization.Methods:Single center retrospective analysis of characteristics…
  • 2017 American Transplant Congress

    The Value of Protocol Biopsy at Third Month After Kidney Transplant: A Single-Center Cohort Analysis.

    R. Rosado-Canto, C. Barrientos-Aguilar, I. Parra-Avila, L. Marino, M. Arvizu-Hernandez, N. Uribe-Uribe, L. Morales-Buenrostro.

    Departament of Nephrology and Transplant, Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, Mexico City, Mexico

    Introduction: In spite of publications reporting higher detection of subclinical rejection (SR) with protocol biopsies in kidney transplant (KT) recipients there is no recommendation with…
  • 2017 American Transplant Congress

    Three Induction Therapies on Patients with Delayed Graft Function After Kidney Transplantation, a Three-Year Outcome Analysis.

    A. Umber, M. Killackey, A. Paramesh, B. Alper, F. Teran, A. Baudy, Y. Liu, J. Buell, R. Zhang.

    Departments of Medicine and Surgery, Tulane University School of Medicine, New Orleans, LA

    We compare the 3-year outcomes of induction therapies with either methylprednisolone (group 1, n=58), basiliximab (group 2, n=56) or alemtuzumab (group 3, n=98) in primary…
  • 2017 American Transplant Congress

    Human Regulatory T Cells Undergo Self-Inflicted Damage via Granzyme Pathways Upon Activation.

    J. Assaker, E. Karreci, F. Dotiwala, S. Routray, A. Kurdi, A. Mihali, T. Borges, A. Chandraker, L. Riella, R. Abdi, J. Lieberman, J. Azzi.

    Transplantation Research Center, Harvard Medical School, Boston; Boston Children's Hospital, Harvard Medical School, Boston

    In this study, we investigated the mechanisms behind the activation induced cell death of human regulatory T cells (Tregs) that can explain their rapid loss…
  • 2017 American Transplant Congress

    Pre Transplant Donor Specific Antibodies and Clinical Outcomes in Kidney Transplant Recipient on Steroid Free Maintenance Immunosupression Regimen.

    O. Adebiyi,1 A. Sharfuddin,2 M. Yaqub,1 S. Hussain,1 D. Mishler,1 A. Sharfuddin,1 W. Goggins,1 T. Taber.1

    1Renal Transplant, Indiana University School of Medicine, Indianapolis, IN; 2Internal Medicine, Baqai University Hospital, Karachi, Pakistan

    Background: The clinical relevance of pre transplant donor specific antibodies has been reported in few clinical studies with respect to its effect on the risk…
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