ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Rejection"

  • 2018 American Transplant Congress

    Increased Pre-Transplant Rejection-Risk Measured with Allospecific T-Cells Predicts Delayed Immunosuppression Minimization in Children with Intestine Transplantation.

    K. Soltys, C. Ashokkumar, G. Mazariegos, G. Bond, M. Ningappa, A. Khanna, A. Ganoza, Q. Sun, R. Sindhi.

    Pediatric Abdominal Transplant, Children's Hospital of Pittsburgh of UPMC, Pittsburgh, PA.

    BACKGROUND: Allospecific CD154+T-cytotoxic memory cells (CD154+TcM) are used clinically to predict acute cellular rejection (ACR) after intestine transplantation (ITx) in children <21 years old within…
  • 2018 American Transplant Congress

    Treatment of Active Chronic Antibody-Mediated Rejection with Rituximab, IVIG and Plasma Exchange

    G. Piñeiro,1 J. Rovira,2 E. De Sousa-Amorim,1 J. Villarreal,1 M. Sole,3 I. Revuelta,1 M. Lozano,4 E. Palou,4 F. Oppenheimer,1 J. Campistol,1 F. Diekmann.1,2

    1Nephrology and Renal Transplantation, Hospital Clinic de Barcelona, Barcelona, Spain; 2Laboratori Experimental de Nefrologia i Trasplantament (LENIT), Institut d'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain; 3Pathology, Hospital Clinic de Barcelona, Barcelona, Spain; 4Apheresis Unit, Hemotherapy and Hemostasis, Hospital Clinic de Barcelona, Barcelona, Spain; 5Immunology, Hospital Clinic de Barcelona, Barcelona, Spain.

    Chronic antibody-mediated rejection (cABMR) and transplant glomerulopathy (TG) are main features associated with long-term graft loss. Despite its clinical significance, the available evidence on treatment…
  • 2018 American Transplant Congress

    Preformed Donor-Reactive T-Cells That Persist after ABO Desensitization Independently Predict Severe Acute Cellular Rejection after Living Donor Kidney Transplantation

    T. Schachtner,1,2,3 M. Stein,2 P. Reinke.1,2

    1Nephrology and Internal Intensive Care, Charite Campus Virchow Clinic, Berlin, Germany; 2Berlin-Brandenburg Center for Regenerative Therapie (BCRT), Charite Campus Virchow Clinic, Berlin, Germany; 3Berlin Institute of Health (BIH), Charite and Max Delbrueck Center, Berlin, Germany.

    Donor-reactive T-cells have been suggested to impact allograft outcome due to a higher incidence of acute celluar rejection. These donor-reactive memory T-cells rapidly acquire effector…
  • 2018 American Transplant Congress

    Discovery and Validation of a Urinary Exosome mRNA Signature for the Diagnosis of Human Kidney Transplant Rejection

    J. Assaker,1 A. Srivastava,1 J. Hurley,2 B. Al Doujailan,1 S. Eskandari,1 C. Coticchia,2 M. Mohamed,1 S. Bentink,2 V. Tadigotla,2 L. Riella,1 A. Chandraker,1 J. Skog,2 J. Azzi.1

    1Transplantation Renal Center, BWH and BCH, Boston; 2Exosome Diagnostic Inc., Cambridge.

    Kidney transplant rejection leads to short and long-term adverse clinical outcomes. Serum creatinine is a suboptimal late biomarker for rejection. Exosomes are nanometer-sized vesicles released…
  • 2018 American Transplant Congress

    IgM HLA DSAs Do Not Alter the Outcomes of Renal Allograft Rejection

    A. Gueret-Wardle,1 P. Dodd,1 G. Lucisano,1 S. Hassan,1 P. Brookes,2 E. Santos-Nunez,2 N. Firmin,2 D. Goodall,1 C. Roufosse,1 M. Willicombe,1 D. Taube.1

    1Renal and Transplant Centre, Imperial College Healthcare NHS Trust, London, United Kingdom; 2Histocompatibility and Immunogenetics, Imperial College Healthcare NHS Trust, London, United Kingdom.

    Introduction: whilst IgG HLA DSAs are associated with renal allograft rejection and graft loss, the role of IgM HLA DSAs is controversial. We investigate the…
  • 2018 American Transplant Congress

    Eculizumab for the Treatment of Antibody Mediated Rejection in Kidney Transplant Recipients: A Single Center Experience

    A. Chi, J. Phillips, D. Quan.

    Pharmaceutical Services, UCSF Medical Center, San Francisco, CA.

    BACKGROUND: Antibody mediated rejection (ABMR) accounts for 20-30% of acute rejection episodes and can affect long-term renal allograft survival. The complement system plays an active…
  • 2018 American Transplant Congress

    ABO-Incompatibility Lower Incidence of DSA-Induced Antibody-Mediated Rejection

    D. Lee,1 B. Kim,1 J. KIm,1 I. KIm,1 M. Jeon.1

    1Nephrology, Medicine, Maryknoll General Hospital, Busan, Republic of Korea; 2Laboratory Medicine, Maryknoll General Hospital, Busan, Republic of Korea; 3Surgery, Maryknoll General Hospital, Busan, Republic of Korea; 4Urology, Maryknoll General Hospital, Busan, Republic of Korea; 5Pathology, Maryknoll General Hospital, Busan, Republic of Korea.

    Introduction:Donor-specific anti-HLA antibody (DSA) and Anti-ABO antibody are major barriers for successful kidney transplantation. Limited data are available about the existences of both DSA and…
  • 2018 American Transplant Congress

    Vendor-Specific Differences in Identical Strains of Mice Yield Dichotomous Result in Lung Allograft Rejection

    Y. Guo, Q. Wang, O. Onyema, A. Gelman, D. Kreisel, A. Krupnick.

    Surgery, University of Virginina, Charlottesville, VA; Surgery, Washington University in St. Louis, St. Louis, MO.

    Intro: Orthotropic transplantation of murine lung allografts has paved the way for mechanistic studies of pulmonary tolerance and rejection but discrepancies have been reported by…
  • 2018 American Transplant Congress

    Kidney Transplant Outcomes in Patients with CPRA Values > 98% after Implementation of the New OPTN/UNOS Kidney Allocation System (KAS): A Single Center Study Update

    N. Kaur,1 M. Kamoun,2 J. Kearns,2 J. Trofe-Clark,1 P. Abt,3 M. Levine,3 S. Goral.1

    1Department of Medicine, Renal-Electrolyte and Hypertension Division, Hospital of the University of Pennsylvania, Philadelphia; 2Pathology and Laboratory Medicine, Hospital of the University of Pennsylvania, Philadelphia; 3Surgery, Hospital of the University of Pennsylvania, Philadelphia.

    Background: Sensitized patients in the past have had prolonged waiting times and greater incidence of death while on the waiting list. On December 4, 2014,…
  • 2018 American Transplant Congress

    Absence of Rejection in a Facial Allograft Recipient with a Postive Flow Crossmatch 24 Months after Induction with Rabbit Anti-Thymocyte Globulin and Anti-CD20+ Monoclonal Antibody

    B. Gelb,1 J. Diaz-Siso,2 N. Plana,2 A. Jacoby,2 W. Rifkin,2 K. Khouri,2 D. Ceradini,2 E. Rodriguez.2

    1Transplant Institute, NYU Langone Health, New York, NY; 2Hansjörg Wyss Department of Plastic Surgery, NYU Langone Health, New York, NY.

    OBJECTIVE: Vascularized composite allograft (VCA) transplantation has become a feasible reconstructive option for patients with severe facial disfigurement. Short term patient and graft survival have…
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