ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Rejection"

  • 2015 American Transplant Congress

    Responsiveness to Rituximab, Plasmapheresis and Intravenous Immunoglobulins in Antibody Mediated Rejections After Kidney and Pancreas – Kidney Transplantation

    E. Minué,1 L. León,1 P. Uva,1 A. Dotta,1 J. Walther,1 O. Casanova,1 F. Togniolo,1 O. Guardia,1 M. Rial,1 E. Chuluyan,2 D. Casadei.1

    1Instituto de Nefrologia, Nephrology, Buenos Aires, Argentina; 2CEFYBO, Universidad de Buenos Aires-CONICET, Buenos Aires, Argentina.

    The antibody-mediated rejection (AMR) has become clinically critical because this form of rejection is usually unresponsive to conventional anti-rejection therapy. Therefore, it has been recognized…
  • 2015 American Transplant Congress

    HLA-C, KIR Genotypes and KIR Genotype/HLA –C Ligand Combination in Prediction of Early Acute Rejection After Liver Transplantation

    K. Park,1 J. Ryu,1 H. Park,3 Y. Kim,2 E.-J. Oh.2

    1Biomedical Science, Graduate School, The Catholic University of Korea, Seoul, Republic of Korea; 2Laboratory Medicine, Seoul St. Mary's Hospital, the Catholic University of Korea, Seoul, Republic of Korea; 3Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.

    Introduction; Interaction of killer immunoglobulin-like receptors (KIRs) and human leukocyte antigen class-I (HLA-I) regulates NK cytotoxicity and function. NK regulation influences on NK/T cell alloreactivity…
  • 2015 American Transplant Congress

    Post-Transplantation Immunoadsorption Can Be Safely Withheld After ABO-Incompatible Kidney Transplantation

    A. de Weerd,1 M. van Agteren,1 J. Ijzermans,2 W. Weimar,1 M. Betjes.1

    1Nephrology and Kidney Transplantation, Erasmus Medical Center, Rotterdam, Netherlands; 2Surgery, Erasmus Medical Center, Rotterdam, Netherlands.

    Background: After ABO-incompatible kidney transplantation, postoperative plasma exchange (PE) or immunoadsorption (IA) is performed per protocol or depending on postoperative A/B-titers to prevent acute rejection.…
  • 2015 American Transplant Congress

    Impact of Serial Change of Donor Specific Antibodies On the Graft Outcomes After Liver Transplantation

    D. Joo,1,2 J. Lee,3 J. Lee,1,2 J. Lee,1,2 S. Kim,4 D. Han,1,2 M. Ju,1,2 J. Choi,1,2 S. Kim,1,2 M. Kim.1,2

    1Department of Surgery, Yonsei University College of Medicine, Seoul, Korea; 2The Research Institute for Transplantation, Yonsei University College of Medicine, Seoul, Korea; 3Department of Surgery, CHA Bundang Medical Center, CHA University, Bundang, Korea; 4Department of Surgery, Wonju Yonsei University College of Medicine, Wonju, Korea.

    Introduction: This study aimed to investigate the acute rejection rate and graft function after liver transplantation according to pre-transplantation donor specific antibody (DSA) status and…
  • 2015 American Transplant Congress

    Intrapatient Variability of Tacrolimus Blood Concentrations Following Renal Transplant – Acute Rejection or No Connection?

    D. Katarey,1,2 E. Ioannou,2 I. MacPhee.1,2

    1Renal Medicine, St George's Hospital, London, United Kingdom; 2St George's University of London, London, United Kingdom.

    Background: A high degree of intrapatient variability (IPV) of tacrolimus blood concentrations has been associated with poor long-term outcome (1). Periods of under-exposure with increased…
  • 2015 American Transplant Congress

    T-Cell Immune Function Vs. Gene Expression Profiling for Heart Transplant Rejection

    M. Luu, M. Kittleson, J. Patel, F. Liou, S. Siddiqui, L. Piponniau, A. Hage, D. Chang, L. Czer, A. Trento, J. Kobashigawa.

    Cedars-Sinai Heart Institute, Los Angeles, CA.

    Purpose: Non-invasive immune monitoring of heart transplant (HTx) patients (pts) is increasing in use. The AlloMap® blood test has proven helpful in surveillance of cardiac…
  • 2015 American Transplant Congress

    Long Term Outcomes of Tocilizumab Therapy for DSA+ Antibody Mediated Rejection (ABMR) Resistant to IVIG + Rituxan (I+R) Treatment

    J. Choi,1 A. Vo,1 J. Kahwaji,1 M. Haas,2 N. Reinsmoen,3 D. Puliyanda,1 A. Peng,1 R. Villicana,1 S. Jordan.1

    1CTC, Cedars Sinai, Los Angeles, CA; 2Pathology, Cedars-Sinai, Los Angeles, CA; 3HLA Laboratory, Cedars-Sinai, Los Angeles, CA.

    Intro: Limited options are available for treatment of ABMR in highly-HLA sensitized patients (HS). Treatment options include I+R, PLEX+I+/- R, C5-inhibitor & bortezomib. Approximately 25%…
  • 2015 American Transplant Congress

    The Significant Association Between the Functional Polymorphism (Rs3761548) of Foxp3 Gene and the Severity of Acute Cellular Rejection in Liver Transplantation

    S. Verma, Y. Tanaka, S. Shimizu, L. Das, H. Ohdan.

    Department of Gastroenterological and Transplant Surgery, Hiroshima University, Hiroshima, Japan.

    Aim- Acute cellular rejection (ACR) accounts for 15-25% of graft failure in living donor liver transplantation (LDLT). T regulatory cells (Treg) play an important role…
  • 2015 American Transplant Congress

    CD3+CD4+ROR gamma t+ TH17 Cells Do Not Play a Critical Role in Islet Allograft Rejection

    M. Koulmanda, Z. Fan.

    Medicine, The Transplant Institute, Beth Israel Deaconess Medical Center, Boston, MA.

    We have developed a “color-coded” adoptive transfer model for T cell subset identification that enables serial analysis of islet allograft infiltrating yellow induced regulatory T…
  • 2015 American Transplant Congress

    Eculizumab in Prevention of Acute Antibody-Mediated Rejection in Sensitized Deceased-Donor Kidney Transplant Recipients: 1-Year Outcomes

    D. Glotz,1 G. Russ,2 L. Rostaing,3 C. Legendre,4 S. Chadban,5 J. Grinyo,6 N. Mamode,7 E. Cozzi,11 Y. Lebranchu,8 S. Sandrini,9 L. Couzi,12 W. Marks.10

    1H St-Louis, Paris, France; 2Ryl Adelaide H, Adelaide, Australia; 3CHU Rangueil, Toulouse, France; 4H Necker, Paris, France; 5Ryl Pr Alfred H, Camperdown, Australia; 6H U deBellvitge, Barcelona, Spain; 7Guy's H, London, United Kingdom; 8H Bretonneau CHU, Tours, France; 9Spedali Cvl di Brescia, Brescia, Italy; 10Alexion, Cheshire; 11Via Giustiniani, Padua, Italy; 12Hopital Pellegrin, CHU Bordeaux, Bordeaux, France.

    Complement activation by preformed DSA is a major mechanism of acute antibody-mediated rejection (aAMR) in sensitized kidney transplant recipients (KTR). We previously reported interim study…
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