ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Rejection"

  • 2021 American Transplant Congress

    The Impact of Tacrolimus IPV and TTR on the Development of De Novo Donor-specific Antibodies in Kidney Transplant Recipients

    D. Xu1, K. Richards1, K. Zheng1, H. Patel2, F. Cardarelli2, J. A. Pena3, A. Aala2

    1Pharmacy, Beth Israel Deaconess Medical Center, Boston, MA, 2Nephrology, Beth Israel Deaconess Medical Center, Boston, MA, 3Pathology, Beth Israel Deaconess Medical Center, Boston, MA

    *Purpose: High intrapatient variability (IPV) and low time in therapeutic range (TTR) of tacrolimus (TAC) may increase the risk of developing de novo donor-specific antibodies…
  • 2021 American Transplant Congress

    Long Term Safety and Efficacy of Tocilizumab (anti-il6r, Tcz) Therapy in the Treatment of Refractory Chronic Antibody Mediated Rejection (cabmr) in 25 Pediatric Renal Transplant Recipients

    M. Pearl1, P. Weng1, A. Dokras2, H. Pizzo3, J. Garrison3, C. Butler1, J. Q. Zhang1, K. Lim3, E. Reed1, I. Kim3, M. Haas3, X. Zhang3, R. Ettenger1, S. Jordan3, D. Puliyanda3

    1Pediatric Nephrology, UCLA Medical Center, Los Angeles, CA, 2Pediatric Nephrology, UT South Western, Dallas, CA, 3Pediatric Nephrology, Cedars Sinai Medical Center, West Hollywood, CA

    *Purpose: Development of de novo donor specific antibodies (DSA) post renal transplantation puts pediatric patients at risk for chronic Antibody Mediated Rejection (cABMR) and allograft…
  • 2021 American Transplant Congress

    Among Patients with Pre-Transplant Donor-Specific Antibodies, the Disappearance of the Donor-Specific Antibodies at 3 Months is Not Associated with Less Rejection

    S. Parajuli, A. Djamali, A. Kharel, B. Alzoubi, N. Bath, N. Garg, F. Aziz, D. Mandelbrot

    University of Wisconsin, Madison, WI

    *Purpose: The number of sensitized kidney transplant recipients (KTRs) are increasing on the waiting list. Some KTRs receive an organ in the presence of pretransplant…
  • 2021 American Transplant Congress

    Development of Diagnosis Method of Acute Graft Rejection After Kidney Transplantation Using Metabolome Analysis by Liquid Biopsy Approach

    H. Iwamoto1, M. Sugimoto2, O. Konno1, I. Akashi3, M. Okihara1, Y. Kihara1, T. Ueno1

    1Kidney Transplantation Surgery, Tokyo Medical University, Hachioji Medical Center, Tokyo, Japan, 2Research and Development Center for Minimally Invasive and Preemptive Medicine, Institute of Medi, Tokyo Medical University, Tokyo, Japan, 3Kidney transplantation Surgery, Tokyo Medical University, Hachioji Medical Center, Tokyo, Japan

    *Purpose: Presently, a definitive diagnosis of organ dysfunction after transplantation (such as acute rejection) is dependent on conventional histopathological evaluation using an invasive biopsy procedure…
  • 2021 American Transplant Congress

    Digital Spatial Mrna Profiling Reveals Distinct Endothelial Transcripts in Dsa+ and Dsa- Endarteritis in Kidney Allografts

    K. Tomaszewski1, M. Araujo Medina1, A. Bruce1, P. Divakar2, R. Smith1, T. Kawai3, R. Colvin1, I. Rosales1

    1Department of Pathology, Massachusetts General Hospital, Boston, MA, 2NanoString Technologies, Inc., Seattle, WA, 3Department of Surgery, Massachusetts General Hospital, Boston, MA

    *Purpose: Renal allograft biopsy transcript analysis is typically performed by microarray, which lacks spatial resolution. We initiated a systematic program using the NanoString GeoMx® Digital…
  • 2021 American Transplant Congress

    Association Between Donor-Recipient Genetic Matching and Acute Rejection in Kidney Transplantation

    R. Cao1, V. Arthur2, J. Chen2, B. Keating2, C. Dorr3, D. Schladt3, G. Onyeaghala3, R. Mannon4, A. Matas1, R. Remmel1, N. Pankratz1, B. Wu1, W. Oetting1, P. Jacobson1, A. Israni3, W. Guan1

    1University of Minnesota, Minneapolis, MN, 2University of Pennsylvania, Philadelphia, PA, 3Hennepin Healthcare Research Institute, Minneapolis, MN, 4University of Nebraska, Omaha, NE

    *Purpose: In this study we carried out a genome-wide association study (GWAS) between donor-recipient matching scores at individual SNP level and Acute rejection (AR) in…
  • 2021 American Transplant Congress

    Gene Expression Profiles Assessed by the Nanostring nCounter® Platform May Differentiate Different Types of Rejection, and Importantly, T-Cell Mediated Rejection from BK Virus Nephropathy

    K. R. Degner1, K. J. Swanson1, S. Parajuli1, D. Mandelbrot1, N. Garg1, F. Aziz1, M. Mohamed1, W. Zhong1, L. Ptak1, N. A. Wilson1, R. Woodward2, A. Djamali1

    1University of Wisconsin, Madison, WI, 2CareDx, Inc., San Francisco, CA

    *Purpose: Allograft biopsies are considered the gold standard for diagnosis and therapeutic guidance in kidney transplant recipients. Expanding current biopsy assessments to include gene expression…
  • 2021 American Transplant Congress

    AlloMap Kidney Gene Expression Profiling Discriminates Rejection from Immuno-Quiescence in Renal Transplant Recipients

    E. Akalin1, A. Djamali2, H. Xu3, X. Jin3, R. N. Woodward3, S. Dholakia3, J. S. Bromberg4

    1Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY, 2University of Wisconsin, Madison, WI, 3CareDx, Brisbane, CA, 4University of Maryland School of Medicine, Baltimore, MD

    *Purpose: Assessment of immune activation is important when considering pathologies such as allograft rejection as well as potential interventions that may extend allograft survival. Optimizing…
  • 2021 American Transplant Congress

    A Comparative Analysis of Kidney Allograft Outcomes in Steroid Use versus Steroid Discontinuation After Basiliximab Induction: Unos Data Base Study

    F. Cardarelli, H. Patel, A. Aala

    Nephrology, BIDMC, Boston, MA

    *Purpose: Basiliximab is a monoclonal antibody produced by recombinant DNA technology used by many transplant centers in the U.S. as induction immunosuppression. When Basiliximab is…
  • 2021 American Transplant Congress

    The Clinical Significance of Preformed C1q-binding Donor-specific HLA Antibodies in Kidney Transplantation

    S. Lee1, C. Yang2, B. Chung2

    1Seoul National University Hospital, Seoul, Korea, Republic of, 2Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea, Republic of

    *Purpose: Complement activation is one dominant mechanism which cause allograft injury in kidney transplantation (KT). Anti-HLA donor-specific antibodies (DSA) that bind to HLA molecules on…
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