2017 American Transplant Congress
Reduced Expression of Membrane Complement Regulatory Protein CD59 on Leukocytes Following Lung Transplantation.
BackgroundCellular protection against unwanted complement activation is provided by expression of membrane-bound complement regulatory proteins including CD59. This protein prevents membrane attack complex formation and…2017 American Transplant Congress
In Depth Characterization of the Innate Immune Response in Transplant Recipients with EBV Viremia.
Background:Infection with Epstein-Barr virus (EBV) manifests as a spectrum of disease ranging from asymptomatic viremia to PTLD. Innate immune cells such as monocytes/macrophages, dendritic cells…2017 American Transplant Congress
Identification of Promising Targets for Tolerance Induction Following Heart Transplantation.
Clinic for Cardiac Surgery, Heart Center Leipzig, Leipzig, Germany
Introduction: Tolerance-inducing cell subsets which can support the organ acceptance following heart transplantation (HTx) can be found among dendritic cells (DCs) and regulatory T cells…2017 American Transplant Congress
Pro Inflammatory Transitional B (TrB) Cells Characterize Renal Allograft Recipients with DSA and T Cell Mediated Rejection (TCMR).
De novo DSA detected post-renal transplantation is associated with adverse outcomes. We have shown that de novo DSA is strongly associated with TCMR. In this…2016 American Transplant Congress
An Improved Flow Cytometry Based Platelet Counting in Xeno Perfusion Models.
Aim: Human or baboon platelet sequestration and activation occurs during pig organ xenograft perfusion; its mechanism remains poorly understood. In the context of a regimen…2016 American Transplant Congress
Polyfunctionality of CD8 T Cell Responses to Cytomegalovirus in Transplant Patients.
Background: Cytomegalovirus (CMV) infection causes significant morbidity including allograft damage in transplant patients. Primary infection with CMV is rapidly resolved in healthy individuals; memory T…2016 American Transplant Congress
A Virtual Crossmatch Algorithm That Mimics the Sensitivity of Flow Cytometric Crossmatch.
NJ Sharing Network, New Providence, NJ.
Aim: The new Kidney Allocation System has increased requests for virtual crossmatches (VXM) to predict the possibility of a negative donor specific crossmatch. This study…2016 American Transplant Congress
CD9+ Regulatory B Lymphocytes Control Chronic Lung Inflammation by Inducing Effector T Cell Apoptosis.
1ITUN-INSERM U1064, Nantes, France; 2Institut du thorax, INSERM U1087/CNRS U6291, Nantes, France.
Several observations highlight the relevance of regulatory B cells (Breg) to clinical transplantation. We have identified a new Breg population expressing the CD9, able to…2016 American Transplant Congress
Recall Alloantibody Production Is Driven by CD138+ Cells Proliferating in the Spleens: An Indication for Long-Lived Plasma Cell Activities and Potential Therapeutic Target.
Comprehensive Transplantation Center/Surgery, Cedars-Sinai Medical Center, Los Angeles, CA.
Background Donor-specific antibodies (DSA) generated in recall responses are produced by long-lived plasma cells (L-PC) residing in the bone marrows (BM). Mechanisms of L-PC activation,…2016 American Transplant Congress
Characterization of T Regulatory Type 1 (Tr1) Cells in Naïve and Transplanted Non-Human Primates.
Center for Transplantation Sciences, Massachusetts General Hospital, Boston, MA.
BackgroundT regulatory Type 1 (Tr1) cells are peripheral CD4+FoxP3- regulatory T cells expressing CD49b and LAG-3 in mice and humans. Mouse Tr1 cells inhibit antigen-presenting…
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