ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Lymphocytes"

  • 2018 American Transplant Congress

    The Neutrophil to Lymphocyte Ratio is Confounded by MELD in Hepatocellular Carcinoma Patients Undergoing Liver Transplantation

    J. McVey, K. Sasaki, F. Dan, Q. Cristiano, H. Koji, M. Charles, A. Federico.

    Department of General Surgery Digestive Disease Institute, Cleveland Clinic, Cleveland, OH.

    Background: Biological markers such as the pre-operative neutrophil to lymphocyte ratio (NLR) have been suggested to be valuable indicators of recurrence and overall survival after…
  • 2018 American Transplant Congress

    Modification of Macrophage Phenotype by the Magnetic Field

    M. Kloc,1 W. Chen,1 J. Kubiak,2,3 X. Li,1 R. Ghobrial,1 J. Wosik.4

    1Houston Methodist Research Institute, Houston, TX; 2WIHE, Warsaw, Poland; 3University of Rennes, Rennes, France; 4University of Houston, Houston.

    Objective. Macrophages play a crucial role in health, disease and chronic rejection of transplanted organs. Chronic rejection of transplanted organs remains unresolved issue in organ…
  • 2018 American Transplant Congress

    Simultaneous Persistence and Development of Donor and Recipient Tissue Resident Memory T Cells in Lung Transplantation

    M. Snyder,1 T. Connors,2 C. Marboe,3 L. Benvenuto,1 L. Shah,1 H. Robbins,1 J. Hook,1 F. D'Ovidio,4 M. Bacchetta,4 J. Sonnett,4 S. Arcasoy,1 D. Farber.4,5

    1Medicine, Columbia University Medical Center, New York, NY; 2Pediatrics, Columbia University Medical Center, New York, NY; 3Pathology, Columbia University Medical Center, New York, NY; 4Surgery, Columbia University Medical Center, New York, NY; 5Microbiology & Immunology, Columbia University Medical Center, New York, NY.

    Introduction: The predominant T cell population in the lung comprises non-circulating tissue-resident memory T cells (TRM); however, the fate of these cells in transplanted lung…
  • 2018 American Transplant Congress

    Aquaporin 4 Blockade Alters T Cell Trafficking through a Novel Mechanism of S1PR1 Regulation

    M. Nicosia,1 R. Fan,1 S. Miyairi,1 A. Beavers,1 G. Farr,2 P. McGuirk,2 M. Pelletier,2 A. Valujskikh.1

    1Immunology, Cleveland Clinic, Cleveland, OH; 2Aeromics LLC, Cleveland, OH.

    The ubiquitous water channels aquaporins mediate a variety of immune functions. We previously demonstrated that aquaporin 4 (AQP4) is expressed by CD4 and CD8 T…
  • 2017 American Transplant Congress

    Senescence and Uremia Effects in Circulating T Cells Diverge in TREG Population and Cause T Cell Shift to a Memory Profile.

    G. Freitas,1 M. Fernandes,1 F. Agena,1 O. Jabuul,2 V. Coelho,3 F. Lemos,1 F. Ramos,1 A. Triboni,1 E. David-Neto,1 N. Galante.1

    1Renal Transplantation Service, University of Sao Paulo, Sao Paulo, Brazil; 2Department of Geriatrics, University of Sao Paulo, Sao Paulo, Brazil; 3Laboratory of Immunology, InCor, University of Sao Paulo, Sao Paulo, Brazil

    Elderly kidney transplant recipients(EKtx) have higher malignancies and infections rates, but lower acute rejection incidence. Senescence seems to result in shift to memory profile and…
  • 2017 American Transplant Congress

    Risks Associated with Recombinant IL2 Therapy in Renal Transplantation.

    M. McGrath, S. Tripathi, A. Chandraker.

    Brigham and Women's Hospital, Boston

    Regulatory T cells are critical to allograft survival. We report a pilot study of safety and tolerability of low dose recombinant IL2 (rIL2), 1x106 units/m2/day…
  • 2017 American Transplant Congress

    Innate Lymphoid Cells Play a Critical Role in Regulating Allograft Homeostasis in Human Intestinal Transplantation.

    P. Cha, B. Houlihan, J. Kaiser, C. Cosentino, B. Monahan, A. Shukla, J. Hawksworth, C. Matsumoto, T. Fishbein, A. Kroemer.

    Transplant, MedStar Georgetown Transplant Institute, Washington, DC

    A. The role of recently discovered innate lymphoid cells (ILCs) in intestinal transplant (ITx) patients is poorly understood. Here, we postulate that intestinal ILC subsets…
  • 2017 American Transplant Congress

    Ectopic Lymphoid Structures Are Present in Type I T-Cell Mediated Kidney Transplant Rejection.

    K. de Leur,1,2 M. Clahsen-van Groningen,3 G. de Graav,1 D. Hesselink,1 J. Samsom,4 C. Baan,1 K. Boer.1

    1Internal Medicine, Erasmus MC, Rotterdam, Netherlands; 2Surgery, Division HPB and Transplant Surgery, Erasmus MC, Rotterdam, Netherlands; 3Pathology, Erasmus MC, Rotterdam, Netherlands; 4Pediatrics, Erasmus MC, Rotterdam, Netherlands

    BackgroundIn renal transplantation, many allograft recipients develop donor-specific antibodies associated with an increased risk for graft rejection. Current immunosuppressive agents are principally aimed at T-cell-mediated…
  • 2017 American Transplant Congress

    A Single Skin Commensal Strain Is Sufficient to Accelerate Skin Transplant Rejection.

    Y. Lei,1 L. Chen,1 Y. Wang,1 A. Chong,1 Y. Belkaid,2 M.-L. Alegre.1

    1Departments of Medicine and Surgery, University of Chicago, Chicago, IL; 2Immunity at Barrier Sites Initiative, NIAID, NIH, Bethesda

    The kinetics of graft rejection depend mostly on the extent of genetic disparities between organ donor and recipient, but appreciation that environmental factors may also…
  • 2017 American Transplant Congress

    Pre-TACE Immune Status Correlates with Treatment Response and Tumor Biology in HCC as a Bridge to Transplant.

    T. Sandow,1 H. Bohorquez,2 D. Kirsch,1 A. Albar,1 P. Thevenot,3 K. Nunez,3 D. DeVun,1 J. Gimenez,1 G. Galliano,4 A. Cohen,2 G. Loss,2 D. Kay,1 P. Gulotta.1

    1Radiology, Ochsner Clinic Foundation, New Orleans, LA; 2Transplant Surgery, Ochsner Clinic Foundation, New Orleans, LA; 3Institute of Translational Research, Ochsner Clinic Foundation, New Orleans, LA; 4Pathology, Ochsner Clinic Foundation, New Orleans, LA

    Purpose:Immune factors are pivotal against disease progression after transplant in hepatocellular carcinoma (HCC). With chemoembolization (TACE) as a bridge to liver transplant, this study compares…
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