ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Rejection"

  • 2022 American Transplant Congress

    Strada Deficiency Results in Inhibition of Tumor Suppressor Gene Liver Kinase B1 Resulting in Epithelial Mesenchymal Transition Leading to Chronic Murine Lung Allograft Rejection

    M. Rahman, S. Bansal, R. Ravichandran, A. Sureshbabu, W. Lie, S. Perincheri, M. Smith, R. Bremner, T. Mohanakumar

    St. Joseph’s Hospital and Medical Center, Phoenix, AZ

    *Purpose: Recently we demonstrated that tumor suppressor gene Liver Kinase B1 (LKB1) is down regulated in lung biopsies and in the circulating exosomes of lung…
  • 2022 American Transplant Congress

    Ficoll-Based Isolation Alters the Immunogenicity of Islets That Leads to Enhanced Rejection in Allogeneic Hosts

    L. Zhang1, A. Turan2, M. Tarique1, V. Ulker1, E. Yolcu3, H. Shirwan3

    1Child Health, University of Missouri, Columbia, MO, 2Molecular Microbiology and Immunology, University of Missouri, Columbia, MO, 3Child Health and Molecular Microbiology and Immunology, University of Missouri at Columbia, Columbia, MO

    *Purpose: The purification of pancreatic islets has long relied on the time-consuming density gradient separation method. We herein report a filtration method as an efficient,…
  • 2022 American Transplant Congress

    Comparative Analysis of kSORT Assay for Predicting Acute Renal Allograft Rejection Under Belatacept-Based Immunosuppression

    H. Hames1, M. Sarwal2, I. Damm2, E. Yanqui1, A. Burg1, A. Christianson1, A. R. Shields1, D. Hildeman1, R. R. Alloway1, E. S. Woodle1

    1University of Cincinnati, Cincinnati, OH, 2University of California San Francisco, San Francisco, CA

    *Purpose: The kSORT (Kidney Solid Organ Response Test) assay uses transcriptomic profiling of peripheral blood to predict the presence of acute rejection (AR) in renal…
  • 2022 American Transplant Congress

    Technology-Driven Performance Improvement of a Biomarker Panel in Kidney Transplant: OmniGraf

    P. West-Thielke, C. Miller, N. Grund, A. Sutton, R. Sinha, M. Miller, S. Kleiboeker, J. Weems

    Eurofins, Framingham, MA

    *Purpose: Analyze the impact of the transition from TruGraf microarray to TruGraf PCR on the complementary performance characteristics of TruGraf plus TRAC (OmniGraf).*Methods: Development of…
  • 2022 American Transplant Congress

    Treatment Modality and Outcomes of Antibody-Mediated Rejection in Pediatric Kidney Transplant Recipients: The PARAMOUr Study

    R. Engen1, A. Jain2, N. Hayde3, A. Mansuri4, M. Kallash5, S. McEwen6, R. Garro7, C. Peterson8, R. Zahr9, L. Harshman10, D. Puliyanda11, S. Solomon12, K. Twombley13, I. Ashoor14

    1Pediatrics, University of Wisconsin Madison, Madison, WI, 2Wayne State University, Detroit, MI, 3Albert Einstein College of Medicine, New York, NY, 4Augusta University, Augusta, GA, 5The Ohio State University, Columbus, OH, 6University of Minnesota, Minneapolis, MN, 7Emory University, Atlanta, GA, 8University of Utah Health, Salt Lake City, UT, 9The University of Tennessee Health Science Center, Memphis, TN, 10University of Iowa, Iowa City, IA, 11Cedars-Sinai Medical Center, Los Angeles, CA, 12New York Medical College, Valhalla, NY, 13Medical University of South Carolina, Charleston, SC, 14Louisiana State University, New Orleans, LA

    *Purpose: Antibody-mediated rejection (AMR) is the leading cause of graft failure in kidney transplantation, but evidence for effective treatments is limited.*Methods: PARAMOUr is a retrospective…
  • 2022 American Transplant Congress

    High Pretransplant FGF-23 Level is Associated with Poor Graft Survival and Persistent Vitamin D Insufficiency in Kidney Transplant Patients

    J. Ryu1, H. Jeon2, T. Koo3, J. Yang4

    1Internal Medicine, Ewha Womans University College of Medicine, Seoul, Korea, Republic of, 2Department of Internal Medicine, Hallym University College of Medicine, Kangdong Sacred Heart Hospital, Seoul, Korea, Republic of, 3Internal Medicine, Seongnam Citizens Medical Center, Seongnam, Korea, Republic of, 4Internal Medicine, Yonsei University College of Medicine, Severance Hospital, Seoul, Korea, Republic of

    *Purpose: Vitamin D [25(OH)D] insufficiency and FGF-23 elevation in chronic kidney disease (CKD) is usually ameliorated after kidney transplantation (KT). However, post-transplant vitamin D insufficiency…
  • 2022 American Transplant Congress

    Autologous Mesenchymal Stem Cells for Treatment of Chronic Antibody-Mediated Kidney Graft Rejection: Report of the First Phase I/II Clinical Case Series

    Ž. Večerić-Haler1, M. Sever2, N. Kojc3, G. Mlinšek1, M. Oblak1, P. Halloran4, A. Aleš Rigler1, J. Buturović Ponikvar1, M. Arnol5

    1Nephrology, UMC Ljubljans, Ljubljana, Slovenia, 2Haematology, UMC Ljubljans, Ljubljana, Slovenia, 3Institute of Pathology, Faculty of Medicine, University of Ljubljana, Ljubljana,, Ljubljana, Slovenia, 4Division of Nephrology and Transplant Immunology, University of Alberta, Alberta Transplant Applied Genomics Centre, Edmonton, AB, Canada, 5University Medical Centre Ljubljana, Ljubljana, Slovenia

    *Purpose: The aim of this study is to evaluate the safety and efficacy of autologous mesenchymal stem cellc (MSCs) in combination with standard of care…
  • 2022 American Transplant Congress

    HLA-DRB1 and DQB1 Amino Acid Mismatches as Determinants of Kidney Allograft Failure

    L. Gragert1, K. P. McCullough2, G. L. Wager3, R. Urbanowicz4, R. M. Merion2, M. Kamoun4

    1Tulane Cancer Center, Tulane University, New Orleans, LA, 2Arbor Research Collaborative for Health, Ann Arbor, MI, 3Tulane University, New Orleans, LA, 4University of Pennsylvania, Philadelphia, PA

    *Purpose: It was previously reported that HLA-DRB1 amino acid (AA) mismatches (MMs) at peptide-binding pockets of this molecule account for significant incremental risk of kidney…
  • 2022 American Transplant Congress

    A Real-World Analysis with the Molecular Microscope Diagnostic System in Dual-Organ Transplant Recipients

    J. M. Blair1, J. Van Zyl2, G. P. Milligan3, S. M. McKean2, R. Patel2, S. A. Hall4, A. Alam3

    1Cardiology, Baylor University Medical Center at Dallas, Dallas, TX, 2Baylor University Medical Center at Dallas, Dallas, TX, 3Advanced Heart Failure & Transplant Cardiology, Baylor University Medical Center at Dallas, Dallas, TX, 4Transplant Cardiology and Mechanical Support/Heart Failure, Baylor University Medical Center at Dallas, Dallas, TX

    *Purpose: The Molecular Microscope Diagnostic System (MMDx) analyzes ribonucleic acid transcripts to provide sophisticated differentiation amongst T-cell mediated rejection (TCMR), antibody mediated rejection (AMR), injury…
  • 2022 American Transplant Congress

    Of the Individual Components of a Modified Freid Frailty Score, Pre-Transplant Walk Time and Grip Strength Are the Strongest Predictors of Post Kidney Transplant Outcomes

    S. Parajuli, F. Aziz, H. L. Lorden, K. A. O'Toole, R. E. Wallschlaeger, I. C. Breyer, B. Dodin, J. Goronzik Wang, D. A. Mandelbrot

    University of Wisconsin, Madison, WI

    *Purpose: Frailty assessment has become common during evaluation for kidney transplantation; however, a variety of different tools are used for frailty assessment. The Freid frailty…
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