ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Rejection"

  • 2015 American Transplant Congress

    The Impact of Microcirculation Inflammation in Predicting Treatment Response for Late Onset Antibody Mediated Rejection

    J. Lee,1 J. Lee,1 B. Lim,2 B. Kim,3 M. Ju,1 M. Kim,1 S. Kim,1 Y. Kim,1 H. Jeong,2 K. Park,4 K. Huh.1

    1Department of Transplantation Surgery, Yonsei University Health System, Seoul, Republic of Korea; 2Department of Pathology, Yonsei University Health System, Seoul, Republic of Korea; 3Department of Internal Medicine, Yonsei University Health System, Seoul, Republic of Korea; 4Department of Surgery, CHA Bundang Medical Center, Bundang, Republic of Korea.

    BackgroundThere have been marked advances of immunosuppression. However, management of late onset antibody-mediated rejection (AMR) after 6 months is still challenging. Despite important diagnostic and…
  • 2015 American Transplant Congress

    Effect of Antibody Mediated Rejection on Long-Term Renal Allograft Function

    M. John, A. Smith, I. Dortonne, A. Paramesh, M. Killackey, B. Lee, R. Zhang, J. Buell.

    Transplant Institute, Tulane University, New Orleans, LA.

    Historically we had poor understanding of chronic rejection attributing it to hypertension and non-compliance. However in the last decade we have begun to understand the…
  • 2015 American Transplant Congress

    Aging Enhances Immunosuppressives Capacities of Tacrolimus By Functional Changes of CD4+ T-Cells

    F. Krenzien,1 M. Quante,1 A. ElKhal,1 H. Uehara,1 R. Abdi,2 B. Slegtenhorst,1 H. Biefer,1 S. Tullius.1

    1Transplant Surgery Research Laboratory and Division of Transplant Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA; 2Transplantation Research Center, Renal Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA.

    Immunosenescence has broad consequences on alloimmunity and immunosuppression in the elderly may require age-adaptation. Here, we investigated the influence of aging on the effectivity of…
  • 2015 American Transplant Congress

    High Within-Patient Variability in Tacrolimus Levels Is a Predictor of Late Rejection in Young Adult Kidney Transplant Recipients

    J. van der Net, P. Harden.

    Oxford Transplant Centre / Kidney Unit, Oxford University Hospitals NHS Trust, Oxford, United Kingdom.

    Introduction: Non-adherence is an important risk factor for late rejection (rejection > 3 months post-transplant) and is the main reason why 17-29 year old kidney…
  • 2015 American Transplant Congress

    The Role of Skin-Specific Immunobiology and Major Histocompatibility Complex Sharing in Vascularized Composite Allograft Tolerance

    D. Leonard, K. Shanmugarajah, H. Powell, A. Albritton, C. Mallard, D. Sachs, C. Cetrulo, Jr., J. Kurtz.

    Transplantation Biology Research Center, Massachusetts General Hospital, Boston, MA.

    Background: We have developed a reproducible model for induction of tolerance of all components of VCAs across haploidentical MHC barriers in miniature swine. The purpose…
  • 2015 American Transplant Congress

    DNA Methylation of the IFNγ Promoter in CD8+ T Cell Subsets Is Modulated by CMV Infection but not by Alloreactivity in Kidney Transplantation Patients

    K. Boer,1 E. de Wit,1 L. Hofland,2 M. Betjes,1 C. Baan.1

    1Internal Medicine - Nephrology and Transplantation, Erasmus University Medical Center, Rotterdam, Netherlands; 2Internal Medicine - Endocrinology, Erasmus University Medical Center, Rotterdam, Netherlands.

    Introduction DNA methylation plays a critical role in the function of cells, including cells of the immune system. Little is known about the methylation status…
  • 2015 American Transplant Congress

    The Value of Surveillance Testing for De Novo Donor Specific Antibodies Following Renal Transplantation

    O. Pankewycz,1 M. Laftavi,2 M. Said,2 K. Chapin,2 L. Feng.2

    1Medicine, SUNY at Buffalo/ECMC, Buffalo, NY; 2Surgery, SUNY at Buffalo/ECMC, Buffalo, NY.

    The development of de novo donor specific antibodies (dnDSA) usually leads to a reduction in renal graft survival. The deleterious influence of dnDSA is most…
  • 2015 American Transplant Congress

    Tacrolimus for the Treatment of Refractory Biopsy-Proven Acute Cellular Rejection in Patients on Belatacept-Based, CNI- and Steroid-Free Immunosuppression Regimens

    K. Trobaugh,1 A. Shields,1,2 S. Tremblay,1 R. Alloway,1 M. Cardi,2 D. Witte,1 F. Paterno,1 M. Cuffy,1 E. Woodle.1

    1Univ of Cincinnati, Cincinnati; 2The Christ Hospital, Cincinnati.

    Background: Tacrolimus (TAC) is effective as rescue treatment (tx) in renal transplant patients (pts) on cyclosporine-based immunosuppression (IS) who have recurrent or resistant acute rejection…
  • 2015 American Transplant Congress

    HLA Broad Antigen and Eplet Mismatches in Determining the Risk of Acute Rejection After Kidney Transplantation

    H. Do Nguyen,1 W. Lim,1,2 J. Chapman,3 J. Craig,3,4 G. Wong.3,4

    1School of Medicine and Pharmacology, University of Western Australia, Crawley, Western Australia, Australia; 2Renal Medicine, Sir Charles Gairdner Hospital, Nedlands, Western Australia, Australia; 3Nephrology, The Children's Hospital at Westmead, Sydney, New South Wales, Australia; 4School of Medicine, University of New South Wales, Sydney, New South Wales, Australia.

    Aim: To determine the clinical relevance of HLA-ABDR broad antigen and eplet matching for predicting acute rejection after kidney transplantation.Background: HLAMatchmaker determines structurally HLA compatibility…
  • 2015 American Transplant Congress

    Donor-Specific Alloantibody After Positive Crossmatch Kidney Transplantation With Eculizumab (EC): Correlation With Transplant Glomerulopathy and Graft Failure

    C. Schinstock,1 F. Cosio,1 L. Cornell,1 M. Gandhi,1 M. Everly,2 M. Stegall.1

    1Mayo Clinic, Rochester, MN; 2Paul Terasaki Foundation, Los Angeles, CA.

    Introduction. EC (C5 blockade) reduces the incidence of early clinical acute antibody mediated rejection (AMR) after +XMKTx, but does not prevent chronic AMR. We examined…
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