ATC Abstracts

American Transplant Congress abstracts

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  • 2019 American Transplant Congress

    Vimentin Inhibition Improves Post-Transplant Survival in a Mouse Renal Transplant Model

    R. Lopez-Soler1, Z. Zhang2, H. Chin3, J. Wang4, K. Ridge5

    1Albany Medical College, Albany, NY, 2Microsurgery Core, Comprehensive Transplant Center, Northwestern University, Feinberg School of Medicine, Chicago, IL, 3Molecular and Cellular Physiology, Albany Medical College, Albany, NY, 4Microsurgery Core, Comprehensive Transplant Center, Northwestern University Feinberg School of Medicine, Chicago, IL, 5Northwestern Univesity, Feinberg School of Medicine, Chicago, IL

    *Purpose: Most renal transplants ultimately fail secondary to chronic allograft nephropathy (CAN). The development of Epithelial to Mesenchymal Transition (EMT) in renal tubular epithelial cells…
  • 2019 American Transplant Congress

    The High Burden of Vaccine Preventable Infections Following Pediatric Solid Organ Transplant

    A. G. Feldman1, B. L. Beaty2, D. Curtis3, E. Juarez-Colunga2, A. Kempe4

    1Pediatric Gastroenterology, Hepatology and Nutrition, University of Colorado, Aurora, CO, 2University of Colorado, Aurora, CO, 3Pediatric Infectious Diseases, University of Colorado, Aurora, CO, 4Pediatrics, University of Colorado, Aurora, CO

    *Purpose: Pediatric transplant recipients are at risk for vaccine preventable infections due to immunosuppression, suboptimal response to vaccines before and after transplant, and potential under-immunization…
  • 2019 American Transplant Congress

    Variable Glycosylations of Anti-HLA Antibodies Detected with Single Antigen Beads in Kidney Transplant Recipients

    Y. Chang1, N. Lemp2, J. Cicciarelli1, T. Shah3, D. Min4

    1Mendez National Institute of Transplantation Foundation, Los Angeles, CA, 2Transplantation Research, Mendez National Institute of Transplantation Foundation, Los Angeles, CA, 3St. Vincent Medical Center, Los Angeles, CA, 4Western Univ of Health Sciences, Pomona, CA

    *Purpose: Differential glycosylation of Immunoglobulin G (IgG) is known to affect its effector functions by modulating interactions with its binding partners, such as C1q or…
  • 2019 American Transplant Congress

    Depleting Laminin α5 in Lymph Node Stromal Cells Promotes Transplant Tolerance

    L. Li, M. Shirkey, W. Piao, Y. Xiong, V. Saxena, T. Zhang, N. Toney, C. Paluskievicz, J. S. Bromberg

    Surgery, U. Maryland, Baltimore, Baltimore, MD

    *Purpose: Expression of stromal laminin α5β1γ1 (511) in lymph nodes (LN) is associated with immunity, while laminin α4β1γ1 (411) is associated with tolerance. The laminins…
  • 2019 American Transplant Congress

    Comparative Use of Single mTOR vs Dual mTOR/PI3K Inhibition in Regulatory T Cell Expansion for Clinical Application in Transplantation

    R. Gedaly-Eidelman, F. Marti, L. Turcios, E. Chacon, D. Valvi

    University of Kentucky, Lexington, KY

    *Purpose: Experimental and pre-clinical evidence suggest that adoptive transfer of regulatory T cells (Tregs) could be an appropriate therapeutic strategy to induce tolerance and improve…
  • 2019 American Transplant Congress

    Donor-Specific Tregs Prolong Peripheral Chimerism in Baboons Receiving GalTKO hCD47-tg Porcine Peripheral Blood Stem Cells

    N. P. Llore1, J. Stern1, G. Pierre1, E. Lopes1, D. Ekanayake-Alper1, P. Alonso-Guallart1, K. Bruestle1, H. Sakai1, D. Ayares2, M. Lorber2, R. Hawley1, D. H. Sachs1, M. Sykes1, A. D. Griesemer1

    1Columbia Center for Translational Immunology, New York, NY, 2United Therapeutics, Silver Springs, MD

    *Purpose: We have previously evaluated the ability of transplantation of polyclonal expanded recipient T regulatory cells to prolong xenogeneic chimerism and skin grafts after transplantation…
  • 2019 American Transplant Congress

    Room for Optimism; Improvement in Long-Term Patient and Graft Survival of Kidney Transplants in the United States over the past Three Decades

    C. Wu, A. Rana, N. Galvan, C. O'Mahony, J. Goss, B. Murthy

    Division of Abdominal Transplantation, Baylor College of Medicine, Houston, TX

    *Purpose: Previous studies indicated that the short-term (1 year) allograft survival of kidney transplants has improved significantly over the years. However, less is known about…
  • 2019 American Transplant Congress

    Significant Increase in Moderate to High KDPI Kidney Transplants Using a Multi-Operational Approach: Results from the COIIN (Collaborative Innovation and Improvement Network) Initiative

    T. Pesavento1, J. Foutz2, K. Sisaithong2, D. Klassen2, L. Stillion1, A. Rajab1, R. Pelletier3, K. Washburn1, H. Tosoc-Haskell2

    1Ohio State University, Columbus, OH, 2UNOS, Richmond, VA, 3Robert Wood Johnson, New Brunswick, NJ

    *Purpose: Kidney transplant (KTx) utilization of moderate to high KDPI (MH-KDPI) deceased donor kidneys remains an opportunity to reduce organ discards. We participated in COIIN,…
  • 2019 American Transplant Congress

    Early Use of Everolimus Plus Reduced Tacrolimus vs Standard Tacrolimus in De Novo Livertransplant Recipients: 12 Months Efficacy and Safety Data from HEPHAISTOS Study

    B. Nashan1, P. Schemmer1, H. Schlitt1, A. Pascher1, C. Klein1, U. Neumann1, I. Kroeger2, P. Wimmer2, F. Braun1

    1Study Group, Hephaistos, Germany, 2Novartis Pharma GmbH, Nuernberg, Germany

    *Purpose: The HEPHAISTOS study was set up to compare early use of everolimus [EVR] combined with reduced tacrolimus [rTAC] versus standard-dose tacrolimus [TAC-C) in de…
  • 2019 American Transplant Congress

    Circulating T Follicular Helper Proliferation And Memory B Cell Activation Correlate With Donor Specific Allo-antibody Occurrence And Antibody-mediated Rejection After Kidney Transplantation

    K. Louis1, C. Macedo1, M. Marrari1, B. Ramaswami1, M. Lucas1, B. Elinoff1, M. Yamada1, X. Gu1, G. Chalasani1, A. Zeevi1, P. Randhawa1, C. Lefaucheur2, D. Metes1

    1Surgery, University of Pittsburgh, Pittsburgh, PA, 2Inserm Unité mixte de recherche 1160, Paris, France

    *Purpose: Crosstalk between T follicular helper (Tfh) cells and B cells is necessary for class-switched antibody generation. The contribution of memory Tfh and B cells…
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