ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Rejection"

  • 2017 American Transplant Congress

    Which Is More Nephrotoxic to Kidney Transplants: BK Nephropathy or Rejection?

    S. Parajuli, B. Astor, D. Kaufman, B. Muth, M. Mohamed, N. Garg, A. Djamali, D. Mandelbrot.

    University of Wisconsin, Madison

    The relative nephrotoxicity of BK nephropathy (BKN) vs acute rejection is unknown. This is an important question, since clinicians often must choose between reducing immunosuppression…
  • 2017 American Transplant Congress

    Molecular Classifier of Antibody-Mediated Rejection Is a Better Predictor of Histologic Rejection Than a Corresponding Transcript Set and Is Further Improved When Combined with Classifiers of Rejection Syndromes.

    K. Famulski, P. Halloran.

    University of Alberta, Edmonton, AB, Canada

    Molecular and histologic changes in graft rejection are not completely specific, often being induced by injuries and other diseases. We examined various methods for using…
  • 2017 American Transplant Congress

    Biopsies (Bx) of Renal Allografts with Antibody- + Cell-Mediated Rejection (ABMR/CMR) Exhibit Gene Expression Signatures from Both Types of Rejection.

    H. Zhang,1 C. Nast,2 J. Doldron,2 M. Cheung,2 J. Mirocha,3 J. Kahwaji,1 A. Vo,1 S. Jordan,1 M. Toyoda.1

    1Transplant Immunology Laboratory, Cedars-Sinai Medical Center, Los Angeles; 2Pathology, Cedars-Sinai Medical Center, Los Angeles; 3Biostatistics Center, Cedars-Sinai Medical Center, Los Angeles

    Background: In HLA-sensitized kidney transplant patients (Pts) the concomitant presence of ABMR/CMR on Bx is associated with a more severe and (&) usually irreversible injury…
  • 2017 American Transplant Congress

    Development of an Anti-HLA Antibody-Producing Humanized Mouse Model.

    S. Yanagawa, H. Tahara, H. Ohdan.

    Hiroshima University, Hiroshima, Japan; Hiroshima University, Hiroshima, Japan; Hiroshima University, Hiroshima, Japan

    Chronic antibody-mediated rejection due to anti-human leukocyte antigen (HLA) antibodies (Abs) is an important problem in organ transplantation. The spleen has been reported to be…
  • 2017 American Transplant Congress

    Utility of Concomitant Biopsy in Simultaneous Pancreas Kidney Transplant Recipients in the Identification of Rejection of Pancreas and Kidney.

    C. Johnson, K. Johnson, B. Kaplan, M. Temkit, R. Heilman, S. Sukumaran Nair, H. Khamash, J. Huskey, G. Mour, H. Chakkera.

    Mayo Clinic Arizona, Phoenix, AZ

    Background: In simultaneous pancreas and kidney transplant (SPKTx) recipients, animal studies suggest concordant rejection rates of 88% (ref: Gruessner et al,1994). Limited information is available…
  • 2017 American Transplant Congress

    Tacrolimus Dose Variability, CYP3A5 Genotype, and Acute Rejection in African American and European American Kidney Transplant Recipients.

    S. Seibert,1 D. Schladt,2 B. Wu,3 W. Guan,3 C. Dorr,2,7 D. Berglund,1 R. Remmel,4 A. Matas,5 R. Mannon,6 A. Israni,2,7 W. Oetting,1 P. Jacobson,1 For the DeKAF Genomics Investigators.

    1Dept of Experimental and Clinical Pharmacology, College of Pharmacy, University of Minnesota (UMN), Mpls, MN; 2Chronic Disease Research Group, Minneapolis Medical Research Foundation, Mpls, MN; 3Division of Biostatistics, School of Public Health, UMN, Mpls, MN; 4Dept of Medicinal Chemistry, College of Pharmacy, UMN, Mpls, MN; 5Division of Transplantation, Dept of Surgery, School of Medicine, UMN, Mpls, MN; 6Dept of Nephrology, University of Alabama, Birmingham, AL; 7Dept of Nephrology, Hennepin County Medical Center, School of Medicine, UMN, Mpls, MN

    Background: Poor immunosuppression with tacrolimus (TAC) after kidney transplantation contributes to the development of toxicity and loss of efficacy. We aimed to associate intra-patient TAC…
  • 2017 American Transplant Congress

    Impact of Six-Month Surveillance Biopsies and Monitoring in Pediatric Renal Transplant Recipients.

    J. Lyons,1,2,3 D. Ranch,1,2 R. Hall,1,2,3 P. Maxwell,1,2,3 K. Hitchman,1,2 Y. Hirase,3 B. Crowther.1,2,3

    1University Health System, San Antonio, TX; 2University of Texas Health Science Center San Antonio, San Antonio, TX; 3University of Texas College of Pharmacy, Austin, TX

    Purpose: Evaluate the utility of surveillance biopsies and monitoring 6 months post-transplant.Methods: A retrospective single center chart review of pediatric renal transplant recipients from 01/2011–10/2015…
  • 2017 American Transplant Congress

    Tacrolimus Time in Therapeutic Range Predicts Adverse Clinical Outcomes in the First Year of Kidney Transplant.

    S. Davis, J. Gralla, P. Klem, A. Wiseman, J. Cooper.

    University of Colorado, Aurora, CO

    Tacrolimus (TAC) has a narrow therapeutic range, with its upper bounds limited by serious toxicities while TAC minimization strategies have demonstrated immunologic risk. Monitoring the…
  • 2017 American Transplant Congress

    Multiple Dosing of Anti-C1s Antibody TNT009 – Effect on HLA Antibody-Triggered Complement Activation in Healthy Volunteers and Kidney Transplant Recipients with Antibody-Mediated Rejection.

    J. Muhlbacher,1 B. Jilma,2 M. Wahrmann,3 F. Eskandary,3 J. Gilbert,4 S. Panicker,4 G. Böhmig.3

    1Department of Surgery, Medical University Vienna, Vienna, Austria; 2Department of Clinical Pharmacology, Medical University Vienna, Vienna, Austria; 3Department of Medicine III, Medical University Vienna, Vienna, Austria; 4True North Therapeutics, Inc., San Francisco, CA

    Study purpose. Complement inhibition may be an attractive strategy to prevent antibody-mediated allograft injury. One promising therapeutic target may be the enzymatic activity of key…
  • 2017 American Transplant Congress

    Composite Prognostic Score Improves Clinical Benefit in Kidney Recipients Receiving Standard of Care Therapy for Antibody-Mediated Rejection.

    D. Viglietti, A. Loupy, O. Aubert, E. Pillebout, C. Legendre, D. Glotz, C. Lefaucheur.

    Paris Translational Research Center for Organ Transplantation, Paris, France

    There is a marked heterogeneity in AMR patients' prognosis after SOC treatment including plasma exchange (PE) and intravenous immunoglobulins (IVIG). We investigated whether the use…
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