Am J Transplant, Volume 20, Suppl 3 Archives - Page 181 of 223 - ATC Abstracts

2020 American Transplant Congress
Accelerated Decline in Glomerular Density: An Unrecognized Pathologic Process after Kidney Transplantation
A. Denic, B. H. Smith, W. D. Park, M. V. Luhman, M. P. Alexander, A. D. Rule, M. D. Stegall
Mayo Clinic, Rochester, Rochester, MN
*Purpose: Studies in healthy adults have shown that glomerular density slowly declines with older age (-0.5% per decade), and globally sclerotic glomeruli (GSG) slowly increase…
2020 American Transplant Congress
Genome-Wide Transcriptome Analysis of Extreme Marginal Renal Grafts Indicates Earlier Repair and Less Damage Following Normothermic Ex-Vivo Kidney Perfusion Preservation
P. Urbanellis¹, L. Mazilescu¹, C. McEvoy¹, S. Ganesh¹, R. John¹, I. Mucsi¹, A. Ghanekar¹, D. Bagli², A. Konvalinka¹, L. Robinson¹, M. Selzner¹
¹University Health Network, Toronto, ON, Canada, ²The Hospital for Sick Children, Toronto, ON, Canada
*Purpose: Normothermic ex-vivo kidney perfusion (NEVKP) was shown to prevent delayed graft function of kidneys subjected to prolonged warm ischemia (WI) compared to static cold…
2020 American Transplant Congress
Tracking Tregs in a Non-Human Primate Model with Expanded Autologous Treg Infusions In Vivo
K. Bruestle¹, B. Piegari¹, H. Sakai¹, F. Fredriksson¹, D. Ekanayake-Alper¹, S. Robertson², D. Hajosi², J. Weiner¹, A. Iuga³, S. M. Coley³, M. Sykes¹, A. Griesemer¹
¹Columbia Center for Translational Immunology, Columbia University, New York City, NY, ²Institute for Comparative Medicine, Columbia University, New York City, NY, ³Department of Pathology and Cell Biology, Columbia University, New York City, NY
*Purpose: Regulatory Tcell (Treg) therapy is a promising tool for tolerance induction in solid organ transplantation. Despite encouraging results in humans and monkeys, questions about…
2020 American Transplant Congress
Building Kidneys from Stem Cells for Transplantation
I. M. Rogers¹, J. Whiteley², T. Chow², T. Bongolan², L. Mazilescu³, P. Urbanellis³, S. Ganesh³, M. Selzner³
¹Physiology, University of Toronto, Toronto, ON, Canada, ²LTRI-Sinai Health System, Toronto, ON, Canada, ³MOTU, University Health Network, Toronto, ON, Canada
*Purpose: Our vision is to build a human kidney by combining human stem cells with porcine kidney extracellular matrix.*Methods: Kidneys were decellularized followed by repopulation…
2020 American Transplant Congress
Recipient Myeloid Cell Myeloperoxidase is Required for Nk Cell Activation During Antibody-Mediated Allograft Rejection
S. Miyairi, N. Dvorina, K. S. Keslar, A. Valujskikh, W. M. Baldwin, R. L. Fairchild
Immunology, Cleveland Clinic Lerner Research Institute, Cleveland, OH
*Purpose: Dysregulated donor-specific antibody (DSA) responses are induced in B6.CCR5-/- mice transplanted with complete MHC mismatched A/J kidney allografts and are required for rejection of…
2020 American Transplant Congress
Recipient LAG3 Deficiency Results in Antibody-Mediated Rejection of Mouse Renal Allografts
M. Nicosia, R. Fan, J. Lee, V. Gorbacheva, A. Beavers, N. Dvorina, W. M. Baldwin III, R. L. Fairchild, B. Min, A. Valujskikh
Inflammation and Immunity, Cleveland Clinic, Cleveland, OH
*Purpose: Lymphocyte activation gene-3 (LAG3) is a coinhibitory receptor on the surface of T and B lymphocytes, NK cells and plasmacytoid dendritic cells. Its functions…
2020 American Transplant Congress
Examination of the TIGIT/CD226 Axis in Kidney Transplant Recipients
G. J. Kavalam, A. D. Desai, A. Chandraker, S. Tripathi
Renal, Brigham and Women's Hospital, Boston, MA
*Purpose: The T-cell immunoglobulin and immunoreceptor tyrosine-based inhibitory motif domain (TIGIT) and CD226, two poliovirus receptor-like proteins, are an emerging group of immune checkpoints with…
2020 American Transplant Congress
IL-10 Signaling in T Cells is Essential for Induction of Transplant Tolerance
M. Iglesias Lozano, D. Bibicheff, M. Chicco, G. Brandacher, G. Raimondi
Plastic Surgery, Johns Hopkins University, Baltimore, MD
*Purpose: Induction of long term transplant survival by “costimulation blockade” (CoB) is achieved through deletion of abortively activated alloreactive T cells and generation of graft…
2020 American Transplant Congress
Anti-Thymocyte Globulins Induced Immunomodulatory Effect and Increased Regulatory T Cell in a In Vitro Model of Allogeneic Cell Coculture
M. Colladant¹, J. Lion², P. Saas³, S. Perruche³, D. Ducloux¹, N. Mooney², J. Bamoulid¹
¹Nephrologie, Dialyse et Transplantation, CHU de Besançon, Besancon, France, ²Equipe INSERM: Endothelium, Inflammation et Alloreactivity INSERM UMR-S 976, Paris, France, ³INSERM U1098 RIGHT, Université de Franche-Comté EFS Bourgogne Franche-Comté, Besancon, France
*Purpose: Two types of Anti-Thymocyte Globulins (ATG) are commonly used in renal transplantation (Thymoglobuline and Grafalon) and induce severe, dose-dependent and sometimes persistent CD4+ T…
2020 American Transplant Congress
Livers from Donation after Cardiac Death (DCD) Offer – Accept or Decline?
T. Ishaque, M. G. Bowring, J. D. Motter, Y. Yu, S. Yu, A. B. Kernodle, J. G. Wang, S. Getsin, D. L. Segev, A. B. Massie
Johns Hopkins University, Baltimore, MD
*Purpose: Given the shortage of deceased-donor livers, donation after cardiac death (DCD) provides an opportunity to expand the donor pool. Due to concern over the…