ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Rejection"

  • 2022 American Transplant Congress

    Novel Role of CD74 in Regulatory T Cell Homeostasis and Function in Allo-Immune Response

    Z. Solhjou1, H. Zhang1, N. Younis1, J. Choi1, C. Deban1, A. Saad1, A. Halawi1, Z. Jing1, R. Bucala2, J. Azzi1

    1Brigham and Women's Hospital, Boston, MA, 2Yale University School of Medicine, New Haven, CT

    *Purpose: Identifying new molecular targets based on our understanding of the biology of the allo-immune response in the allograft microenvironment is critical to develop more…
  • 2022 American Transplant Congress

    Analysis of Induction Dose and Incidence of CMV Viremia in High Risk (HR; D+/R-) Renal Transplant Recipients

    K. Shimko, M. Pittappilly, R. Chowdhury, H. Karimi, C. Puttarajappa, M. Wijkstrom, R. Mehta

    University of Pittsburgh Medical Center, Pittsburgh, PA

    *Purpose: Depleting induction puts patients at risk of opportunistic infections. Our protocol aims for 5-6mg/kg cumulative dose of antithymocyte globulin(ATG) divided over 4 doses. It…
  • 2022 American Transplant Congress

    Local Intragraft Humoral Immune Response in Chronic Lung Allograft Dysfunction

    E. Miyamoto1, S. C. Juvet2, D. Vosoughi2, J. Wang2, J. Al-Refaee2, T. Daigneault2, A. Duong2, S. Moshkelgosha2, S. Keshavjee2, K. Tinckam2, A. Chruscinski3, D. Hwang4, T. Martinu2

    1Tenri Hospital Japan, University Health Network Canada, Nara, Japan, 2University Health Network, Toronto, ON, Canada, 3Multi-Organ Transplantation, University Health Network, Toronto, ON, Canada, 4Sunnybrook Health Science Centre, Toronto, ON, Canada

    *Purpose: Donor HLA-specific antibody (DSA) and antibody against self-antigens (self-antigen antibody) can cause injury and lead to chronic lung allograft dysfunction (CLAD) after lung transplantation…
  • 2022 American Transplant Congress

    Utility of a Holistic Molecular Paradigm for Kidney Biopsy in the Clinic

    S. Anand1, J. Sanchez-Garcia1, K. Qui2, K. Pinney2, A. Raza1, T. Srinivas2, D. Morris1

    1Intermountain Medical Center, Murray, UT, 2CareDX, South San Francisco, CA

    *Purpose: We report on the clinical utility of a serial dd-cfDNA (donor derived cell free DNA) monitoring coupled with Tissue Transcriptomics (Tr) and Histology (Hx)…
  • 2022 American Transplant Congress

    A Novel Approach to Non-Invasive Multimodality Testing with Allosure and Allomap Predicts Microvascular Inflammation with High Accuracy in Kidney Transplant Recipients

    S. Parajuli, F. Aziz, N. Garg, S. E. Panzer, K. Van Hyfte, K. Degner, S. Reese, L. Ptak, N. Wilson, A. Djamali

    University of Wisconsin, Madison, WI

    *Purpose: The most prominent histologic lesion in antibody-mediated rejection (ABMR) is microvascular inflammation (MVI); however, its recognition and scoring can be challenging and poorly reproducible…
  • 2022 American Transplant Congress

    Outcomes in Renal Transplant Recipients Receiving Pre-Transplant Financial Assistance Through the American Kidney Fund

    H. Roppo1, P. Klem1, B. Crowther1, E. Sartain1, K. Schoeppler1, P. T. Kennealey2, B. Kaplan3

    1Department of Pharmacy, University of Colorado Hospital, Aurora, CO, 2Department of Surgery, University of Colorado Hospital, Aurora, CO, 3Department of Renal Med Diseases/Hypertension, University of Colorado Hospital, Aurora, CO

    *Purpose: Pre-transplant financial assistance for insurance premiums is available for eligible patients through the American Kidney Fund (AKF), but this funding ends within the first…
  • 2022 American Transplant Congress

    Direct Comparison of Clinical Outcomes with Belatacept-Based Regimens to Calcineurin Inhibitors Among DCD and/or High KDPI Kidney Transplant Recipients

    A. Rizvi1, M. Kueht2, S. Hussain3, J. Fair2, R. Ramirez4, A. Gamilla-Crudo5, M. Mujtaba5

    1Internal Medicine, Nephrology, University of Texas Medical Branch at Galveston, Galveston, TX, 2Surgery, University of Texas Medical Branch, Galveston, TX, 3University of Texas Medical Branch, Houston, TX, 4Surgery, University of Texas Medical Branch at Galveston, Galveston, TX, 5University of Texas Medical Branch, Galveston, TX

    *Purpose: Belatacept, an inhibitor of the T-cell costimulatory pathway, can be used in recipients of Donation after Cardiac Death (DCD) and high Kidney Donor Profile…
  • 2022 American Transplant Congress

    Month 1 Donor Derived Cell Free DNA Levels Predict Future Kidney Transplant Rejection

    B. M. Kinsella1, K. Guo1, C. Rebello1, L. Zhao1, S. Park2, J. Friedewald1

    1Northwestern University, Chicago, IL, 2Transplant Nephrology, Northwestern University, Chicago, IL

    *Purpose: The purpose of this study was to determine if donor-derived cell-free DNA (dd-cfDNA) can be used one-month post-transplant to predict later allograft rejection.*Methods: Retrospective…
  • 2022 American Transplant Congress

    Recipient Treatment with Anti-CD122 mAb Prolongs Kidney Allograft Survival During Antibody-Mediated Rejection without Impacting NK Cell Activation within the Graft

    D. Okada, S. Miyairi, N. Dvorina, K. S. Keslar, A. Valujskikh, W. Baldwin, R. Fairchild

    Cleveland Clinic, Cleveland, OH

    *Purpose: Dysregulated donor-specific antibody (DSA) responses are induced in B6.CCR5-/- mice transplanted with complete MHC mismatched kidney allografts and are required for rejection of the…
  • 2022 American Transplant Congress

    Long-Term (>1 Year) Rejection Free Graft Survival of Kidney Xenografts with Triple Xenoantigen Knockout and Multiple Human Transgenes in Cynomolgus Monkeys

    T. Hirose1, G. Lassiter1, D. Ma1, A. D'Attilio1, I. Rosales1, D. Cloonan1, R. Matheson1, R. Colvin1, W. Qin2, Y. Kan2, J. Layer2, R. Anand2, V. Paragas2, L. Queroz2, X. Tan2, I. Kohnle2, K. Stiede2, K. Hall2, M. Youd2, M. Curtis2, J. Markmann1, T. Kawai1

    1Center for Transplantation Sciences, Massachusetts General Hospital, Boston, MA, 2eGenesis Inc, Cambridge, MA

    *Purpose: Pigs with deletion of 3 carbohydrate xenoantigens (triple knock-out, TKO) are expected to be optimal donors for human xenotransplantation. We have previously shown that…
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