2017 American Transplant Congress
Effects of Anti-HLA Antibodies on Endothelial Expression and Serum Levels of Thrombomodulin in Kidney Recipients.
Medicine, Universite Laval, Quebec, QC, Canada
Background: Thrombomodulin (TBM) is an anticoagulant and anti-inflammatory protein expressed on endothelial cells (ECs). Mutations of TBM are seen in thrombotic microangiopathies due to aHUS.…2017 American Transplant Congress
Thrombalexin: Use of a Cytotopic Anticoagulant to Reduce Thrombotic Microangiopathy in a Highly Sensitized Model of Kidney Transplantation.
Introduction:Thrombotic microangiopathy (TMA) is a phenomenon observed in antibody-mediated rejection (AMR) of the kidney transplant, particularly in highly sensitized individuals. Following promising data in a…2017 American Transplant Congress
Anti-HLA I Antibody Enhances Endothelial Cell-Induced Polarization of Human Monocytes to M2a/c-Like Macrophages.
HLA antibody (Ab)-mediated rejection (AMR) is often characterized by graft-infiltrating macrophages, which correlate with tissue fibrosis. Recent studies suggest they may mainly represent M2-polarized macrophages.…2017 American Transplant Congress
Autophagy Regulates LG3 Maturation and Export in Apoptotic Exosome-Like Vesicles.
Background: Autoantibodies to apoptotic antigens such as LG3 – a C-terminal fragment of perlecan– are present pre-transplantation and contribute to organ rejection in renal transplant…2017 American Transplant Congress
Platelets Stimulate Liver Sinusoidal Endothelial Cells to Secrete Interleukin-6 During the Early Phase of Liver Regeneration in Mice.
Background and aimsPlatelets and liver sinusoidal endothelial cells (LSEC) are known to both independently regulate liver regeneration. Our aim was to investigate the role of…2017 American Transplant Congress
Rapamycin Directly Alters Human Endothelial Cell Alloimmunogenicity.
The mTOR inhibitor rapamycin (Rapa) is known to suppress T cell function. However, many of its in vivo effects, particularly its synergistic effects with costimulation…2017 American Transplant Congress
Cytotopic Thrombin Inhibition Prior to Cold Ischaemia Attenuates Microvascular Endothelial Ischaemia-Reperfusion Injury.
1Imperial College, London, United Kingdom; 2King's College, London, United Kingdom
Purpose: Microvascular dysfunction post-reperfusion of the ischaemic endothelium manifests as cellular necrosis and enhanced endothelial permeability. Thrombin generation post-reperfusion of the ischaemic endothelium may be…2017 American Transplant Congress
Regulation of T Cell Migration by Specifically Targeting Lymphotoxin β Receptor (LTβR)-Mediated Non-Canonical NFkB Signaling.
Background:Selective recruitment of regulatory T cells (Treg) to draining lymph nodes is crucial for graft survival, and LTαβ-LTβR signaling is required to direct Treg into…2017 American Transplant Congress
CD4 T Cell Migration Across Lymphatic Endothelium Is Enhanced by Sphingosine 1-Phosphate (S1P) and Differentially Regulated by S1P Receptors (S1PR).
1UMB, Baltimore; 2UM, Minneapolis
Introduction: S1PR1 drives T cells to migrate from thymus to blood, and from lymph node (LN) to efferent lymphatics. Whether S1PR1 or other S!PRs regulate…2017 American Transplant Congress
TIE'ing Statins to Microvascular Stability and Endothelial Cell Immunogenicity.
Graft microvascular endothelial cells (EC) represent a critical interface between the recipient and the donor. Stable/quiescent EC support immunoregulation in part via the expression of…
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