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American Transplant Congress abstracts

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Articles tagged "Endothelial cells"

  • 2022 American Transplant Congress

    Towards Bionic Organs: Biocompatibility Of Newly Developed Porcine Decm-based Hydrogels.

    M. Rachalewski, M. Klak, D. Ujazdowska, P. Cywoniuk, T. Dobrzanski, G. Tymicki, K. Kosowska, T. Bryniarski, A. Berman, M. Wszola

    Foundation of Research and Science Development, Warsaw, Poland

    *Purpose: There is a growing interest in fabrication of bioinks which on one hand biocompatible and on the other hand possess mechanical properties which would…
  • 2022 American Transplant Congress

    Treg Tissue Stability Depends on Adenosine Receptor Driven Lymphatic Endothelial Cell Responses

    V. Saxena1, W. Piao1, L. Li1, M. W. Shirkey1, R. Lakhan1, S. Walden2, K. L. Hippen2, B. R. Blazar2, J. S. Bromberg1

    1University of Maryland School of Medicine, Baltimore, MD, 2University of Minnesota, Minneapolis, MN

    *Purpose: Regulatory T cell (Treg) lymphatic migration and maintenance of transcription factor Foxp3 expression are required for suppressor function and allograft protection. Migrating Tregs were…
  • 2022 American Transplant Congress

    LGALS1 is Expressed in Glomerular Endothelial Cells and Induced Upon Stimulation with Anti-HLA Antibody

    A. Boshart1, S. Farkona1, S. Clotet-Freixas1, C. McEvoy1, J. Murphy1, S. Crome2, A. Konvalinka3

    1Toronto General Hospital Research Institute, Ajmera Transplant Centre, University Health Network, Toronto, ON, Canada, 2Immunology, Toronto General Hospital Research Institute, Ajmera Transplant Centre, University of Toronto, University Health Network, Toronto, ON, Canada, 3Nephrology, Toronto General Hospital Research Institute, Ajmera Transplant Centre, University Health Network, Toronto, ON, Canada

    *Purpose: Antibody-mediated rejection (AMR) accounts for >50% of premature kidney graft loss. AMR is caused by donor specific antibodies (DSA) against human leukocyte antigens (HLA)…
  • 2022 American Transplant Congress

    Increased Plasminogen Activator Inhibitor-1 is Associated with Less Severe Clinical Bleeding After Reperfusion During Liver Transplantation

    H. J. Braun, N. Ascher, G. Roll, J. Roberts, C. Niemann, M. Bokoch

    University of California, San Francisco, San Francisco, CA

    *Purpose: Severe bleeding following reperfusion in liver transplantation (LT) is often discrepant with available objective laboratory and thromboelastography data. This bleeding may be due to…
  • 2022 American Transplant Congress

    Understanding the Response of Human Lung Microvascular Endothelial Cells During Lung Transplantation via an In Vitro Model of Ischemia Reperfusion Injury

    L. Chacon Alberty1, M. King1, G. Loor2, E. Curty1, C. Hochman-Mendez1

    1Regenerative Medicine Research, Texas Heart Institute, Houston, TX, 2Baylor College of Medicine - Lung Transplant, Houston

    *Purpose: Lung Transplantation (LTx) is a therapeutic option for patients with end-stage lung disease. One of the major complications is primary graft dysfunction largely attributed…
  • 2022 American Transplant Congress

    Treg Crosstalk with Both Tumor and Lymphatic Cells Promotes Metastasis Through Lta1b2-ltbr Signaling

    W. Piao1, R. S. Oakes2, C. M. Jewell2, J. Bromberg1

    1Surgery, University of Maryland, Baltimore, MD, 2University of Maryland, College Park, MD

    *Purpose: Lymphotoxin (LT) α1β2 high expressing Tregs are essential for immune tolerance although inhibiting antitumor immunity. Lymphatic endothelial cells (LEC) express the LT beta-receptor (LTβR),…
  • 2022 American Transplant Congress

    CD14+ Monocytes Play a Critical Role in Initiating Xeno-Recognition, Costimulation and Immune-Responses to Porcine Endothelial Cells

    H. Xu, A. Kirk, H. Xu

    Duke University School of Medicine, Durham, NC

    *Purpose: Porcine endothelial cells (PECs) are the first barrier between a pig’s organ and circulating immune system. Unlike allogeneic immune responses, PECs fail to induce…
  • 2022 American Transplant Congress

    Spatially Resolved Molecular Profiling of Endothelial Cells in Antibody-Mediated Kidney Transplant Rejection

    M. Melendez-Ferro, D. R. Kelly, M. E. Seifert

    UAB School of Medicine, Birmingham, AL

    *Purpose: Endothelial cells are key targets of alloimmune injury in antibody-mediated rejection (ABMR), but are challenging to study in situ using high-throughput methods. We aimed…
  • 2022 American Transplant Congress

    Novel Phenotype of Intragraft Endothelial Cells That Modulates CD4+ T Effector-Mediated Rejection

    J. Wedel, K. Liu, T. Seto, S. Kong, D. M. Briscoe

    Boston Children's Hospital, Boston, MA

    *Purpose: Previous studies have suggested that early adoptive transfer of Teff into Rag KO mice bearing cardiac transplants results in acute rejection. However, if transfer…
  • 2022 American Transplant Congress

    Lymphotoxin Beta Receptor Classical NFkB Signaling in Lymphatic Endothelial Cells Drives Treg Tissue Stability

    V. Saxena1, W. Piao1, L. Li1, M. W. Shirkey1, R. Lakhan1, S. Walden2, K. L. Hippen2, B. Blazar2, J. S. Bromberg1

    1University of Maryland School of Medicine, Baltimore, MD, 2University of Minnesota, Minneapolis, MN

    *Purpose: Regulatory T cell (Treg) suppressor function and allograft protection depend on maintenance of transcription factor Foxp3 expression and lymphatic migration, respectively. Treg lymphotoxin (LT)…
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