2017 American Transplant Congress
CTLA4-Ig in Combination with FTY720 Reduces the Frequency of Memory Alloreactive T Cells and Promotes Heart Allograft Survival in Sensitized Recipients.
Despite recent evidence of improved graft outcomes and safety, high incidence of early acute cellular rejection with belatacept has limited its use in clinical transplantation.…2017 American Transplant Congress
TIM-3 – CEACAM1 Checkpoint Regulation of T-Cell Activation and Hepatocellular Function in Liver Transplantation.
Background/Aim: We have documented crucial role of TIM-3 dependent T cell dysfunction in mouse orthotopic liver transplantation (OLT). CEACAM1 (CD66a; CM1; Carcinoembryonic Antigen-Related Cell Adhesion…2017 American Transplant Congress
Early Results of Immune Profile Emerging Before Detection of De Novo Humoral Alloimmunity in Kidney Transplant Recipients.
The purpose of this IRB-approved study is to determine if there is a potential role for CD8+ T cell-mediated suppression of donor specific alloantibody (DSA)…2017 American Transplant Congress
CD4 T Cells and Co-Engagement with Foreign Protein Are Required in Antibody Response to Non-Self Blood Group A-Antigen.
Background: ABO-incompatible heart transplantation (ABOi HTx) is safe during infancy and allows increased donor access. B-cell tolerance develops to donor A/B-antigen(s) (Ag) after ABOi HTx…2017 American Transplant Congress
Dendritic Cells That Highly Express SOCS1 Induce T-Cell Hypo-Responsiveness and Prolong Islet Allograft Survival.
Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
The capability of dendritic cells (DCs) to induce an immune response or immune tolerance is dependent on their status. Suppressor of cytokine signaling 1 (SOCS1)…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…2016 American Transplant Congress
Function of Sertoli Cells in Regulating Allogeneic T Cell Differentiation into Treg and Th17 In Vitro.
The testis as an immune-privileged site allows long-term survival of allogeneic and xenogeneic transplants. Testicular Sertoli cells (SCs) can confer local immunoprotection for cotransplanted cells…2016 American Transplant Congress
A P2X7R Mutation with Hypermetabolic T Cells, Th1/Th17 Skewing and Reduced Cardiac Allograft Survival.
Background. The purinergic receptor-7 (P2X7R), primarily expressed on lymphocytes, senses ATP released extracellularly during cell damage and regulates T cell activation.Methods. In 640 heart transplant…2016 American Transplant Congress
Assessing Return of CMV Specific Cellular Immunity Using the T-SPOT.CMV Soon After Kidney Transplant with Thymoglobulin.
Infectious Disease, Massachusetts General Hospital, Boston, MA.
Background: We do not currently have sufficient predictive tools to determine risk of CMV infection after organ transplantation. Recent data suggest that assays of the…2016 American Transplant Congress
Toll-Like Receptor (TLR) 9-Induced Resistance to Murine Cardiac Allograft Tolerance Is Dependent Upon C3a and C5a Receptor (C3aR/C5aR) Signaling.
TLR stimulation has been shown by others to prevent costimulatory blockade-induced allograft tolerance. Immune cell derived complement activation products C3a and C5a amplify inflammation, enhance…
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