2022 American Transplant Congress
Increased Plasminogen Activator Inhibitor-1 is Associated with Less Severe Clinical Bleeding After Reperfusion During Liver Transplantation
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
*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
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
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
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
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
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)…2022 American Transplant Congress
DEPTOR: A Novel Endothelial-Specific Regulator of Cell-Intrinsic Anti-Inflammation Following Transplantation
*Purpose: Recent studies have highlighted a paradigm whereby the maintenance of normal tissue homeostasis and the prevention of chronic inflammation is dependent on the active…2022 American Transplant Congress
Iguratimod Alleviates Endothelial to Mesenchymal Transition by Inducing AMBRA1/PARKIN-Dependent Mitophagy and Inhibiting NLRP3 Activation During Renal Allograft Interstitial Fibrosis
*Purpose: Chronic renal graft dysfunction (CAD) is caused by multiple factors, including glomerular sclerosis, inflammation, interstitial fibrosis and tubular atrophy (IF/TA). However, the most prominent…2022 American Transplant Congress
Ex Vivo Modification of Vascular Allografts Using Immunosuppressive and Anti-Inflammatory Polymers Prevent Rejection via Localized Immunosuppression
*Purpose: Classical immunosuppressants lead to systemic immune shutdown, though necessary to mediate transplant rejection, it may lead to various complications. To reduce off-target immunosuppression while…
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