2016 American Transplant Congress
Costimulation Blockade by Anti CD40 Antibody Prevents Humoral and Cellular Rejection of Heterotopic Pig Cardiac Xenograft.
1CSRP/NHLBI, NIH, Bethesda, MD; 2DVR/ORS, NIH, Bethesda, MD; 3Revivicor Inc., Blacksburg, VA.
BackgroundXenotransplantation (XTx) involves the participation of innate immune system with natural antibody producing B cells, NK cells, macrophages and complement as well as adaptive immune…2016 American Transplant Congress
2B4 Over-Expression Impairs Donor-Reactive CD8+ T Cell Proliferation and Accumulation Following Transplantation.
Emory Transplant Center, Emory University School of Medicine, Atlanta, GA.
T cell function is tightly regulated by a fine balance of coinhibitory signals, including those transduced by 2B4 (SLAMf4, CD244), an immunoglobulin-superfamily member constitutively expressed…2016 American Transplant Congress
Imaging Cell Biology In Vivo with Intravital-Microscopy.
Background: Despite current immunosuppressive therapy, many recipients endure multiple episodes of acute rejection. The interplay between dendritic cells (DCs) and T cells plays a central…2016 American Transplant Congress
First Clinical Experience with Belatacept in 3 Hand Transplanted Patients.
Study purposeBelatacept (CTLA4Ig) is an emerging treatment in solid organ transplantation. Effects on the development of donor specific antibodies (DSA) as well as its clinical…2016 American Transplant Congress
Successful Maintenance Belatacept-Based Immunosuppression in Lung Transplantation Recipients Who Failed Calcineurin Inhibitors.
University of Pittsburgh, Pittsburgh, PA.
Purpose: Describe response of belatacept (BELA) immunosuppression regimen (ISR) conversion in lung transplantation recipients (LTRs) after calcineurin inhibitor (CNI) failure on incidence of cellular rejection…2016 American Transplant Congress
Heterologous Persistent and Latent Viral Infections Do Not Impact Graft Survival.
1Duke University, Durham; 2Emory University, Atlanta.
Purpose: Infection induces costimulation-resistant memory T cells with heterologous alloreactivity. Rapamycin has been shown to mitigate the effect of these cells in transplant rejection. Previous…2016 American Transplant Congress
Development of a Vascularized Thymus-Sternum Composite Tissue Allograft Model in Non-Human Primates.
Surgery, University of Maryland, Baltimore, MD.
Purpose: Vascularized composite allotransplantation (VCA) has demonstrated clinical success with standard immunosuppressive strategies in face, hand, and forearm transplantations. We developed a non-human primate model…2016 American Transplant Congress
Acute Rejection in Non-Human Primates Treated with Belatacept Is Mediated by a Unique CD8 Memory Subset.
Belatacept is a high affinity version of the fusion protein CTLA4-Ig that blocks CD28 mediated T cell costimulation, providing a more targeted/less toxic form of…2016 American Transplant Congress
Profiling of T Cell Subsets in a Primate Cardiac Transplant Model.
Surgery, University of Maryland, Baltimore, MD.
Purpose: Costimulation blockade prolongs graft survival but does not induce tolerance in primates, and mechanisms of rejection are incompletely understood. Here we evaluate changes in…2016 American Transplant Congress
Vascularized Composite Allograft Tolerance with Transient High-Dose Tacrolimus Across a Full MHC Mismatch in a Large Animal Model.
Department of Plastic Surgery, Johns Hopkins University, Baltimore, MD.
PURPOSE: Vascularized composite allografts (VCA) can enhance the quality of life of patients with severe facial or extremity injuries, and the induction of tolerance would…
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