2018 American Transplant Congress
Rituximab Interference in B-Cell Crossmatch: A Problem Solved
Background: Rituximab is commonly prescribed in ABO- or HLA-incompatible kidney transplantation. When used before transplant it interferes with B lymphocyte complement-dependent crossmatch (CDC CM) or…2018 American Transplant Congress
Immune Phenotyping in a Pediatric Multicenter Transplant Study: Suitability of a Pre-Formulated Dry Antibody Panel System
Background:Flow cytometric immune-phenotyping is influenced by cryopreservation and inter-laboratory variability limiting comparability in multi center studies. The Duraclone™ system (DC) provides optimized pre-mixed dry antibody…2017 American Transplant Congress
High Regulatory T Cells Rate Early After Lung Transplantation Is Associated with Bronchiolitis Obliterans Syndrome Development.
Despite treatment improvement, the bronchiolitis obliterans syndrome (BOS) affects more than 50% of the lung-transplant recipient in the 5 years post-transplantation and because it cannot…2017 American Transplant Congress
In Vivo Administration of Plerixafor in Humans Mobilizes Bone Marrow Resident Plasma Cells That Demonstrate Apoptosis in Both Bone Marrow and Peripheral Blood.
1University of Cincinnati, Cincinnati; 2Cincinnati Children's, Cincinnati; 3Duke, Durham
Plasma-cell (PC) targeted therapies can reduce HLA sensitization. However, bone marrow (BM) niche resident plasma cells (BMNRPC) demonstrate resistance to proteasome inhibitor (PI) therapy. Plerixafor…2017 American Transplant Congress
Human Islet-Derived Extracellular Vesicles Stimulate CD14+ Monocytes Resulting in Proinflammatory Cytokine Production.
Department of Surgery, McGill University Health Centre, Montreal, QC, Canada
Introduction: The cellular events involved in the generation of an auto and allo-reactive immune response in recipients of islet transplantation are not well understood. In…2017 American Transplant Congress
Immunosuppressive Treatment Alters Gut Microbiota and Modified Gut Microbiota Affects Immune Status.
Department of Urology, Beijing Chaoyang Hospital, CCMU, Beijing, China
Objectives: Immunosuppressive therapies could change the host-microbial interactions, especially gut microbiota, which is an important component in systemic immunity. We evaluated the relationship between immunosuppression…2017 American Transplant Congress
BKV Clearance Time Correlates with T-Cell Receptor Repertoire Shape and Exhaustion State of BKV-Specific T-Cells in Renal Transplant Patients with Severe BKV Infection.
Reactivation of the BK polyomavirus is known to lead to severe complications in kidney transplant patients. The current treatment strategy relies on decreasing the immunosuppression…2017 American Transplant Congress
Increased T Cell Exhaustion in Dialysis Patients.
Transplantation Research Center, Brigham and Women's Hospital, Boston, MA
Infection is a major complication post-transplantation. Evaluating the immune system prior to transplant may allow better optimization of immunosuppression dose. T cell exhaustion has been…2017 American Transplant Congress
The Role of Anti-Neu5Gc IgM in Xenograft Antibody Mediated Rejection.
Background:Acute antibody mediated rejection due to preformed antibodies present in human serum remains a hurdle to successful xenotransplantation. Here, we measured anti-Neu5Gc-IgM antibody titers in…2017 American Transplant Congress
Effect of Two Anti-CD20 Abs on B Cell Depletion and Reconstitution in Non-Human Primates.
Background: B lymphocytes play a central role in host immunity, including antibody elaboration and antigen presentation, and B-cell depletion is being explored to modulate alloimmunity.…
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