2019 American Transplant Congress
TCR Transgenes to Understand Human Xenotolerance Induction
Columbia Center for Translational Immunology, New York, NY
*Purpose: Swine thymus transplantation is a promising approach to clinical tolerance for pig-to-human xenotransplantation. In humanized mice, a swine thymus graft supports de novo selection…2019 American Transplant Congress
How and Why Dyrk1a is Required for Optimal Foxp3+ Treg Functions
Children's Hospital of Philadelphia, Philadelphia, PA
*Purpose: TCR-induced calcineurin phosphatase activation and subsequent Nfat dephosphorylation, leading to Nfat translocation to the nucleus, is a key event in conventional T cell activation.…2019 American Transplant Congress
Type-1 Interferons Impair the Key Immunoregulatory Activity of IL-10 in the Promotion of Transplant Tolerance
Plastic Surgery, Johns Hopkins University, Baltimore, MD
*Purpose: Induction of long term transplant survival by “costimulation blockade” (CoB) regimens is impaired by inflammatory responses. Despite the identification of type-1 interferons (TI-IFN) as…2019 American Transplant Congress
Murine Cytomegalovirus Infection Down-Regulates Receptor Tyrosine Kinase MerTK on Macrophages to Abrogate Allograft Tolerance
*Purpose: Cytomegalovirus (CMV) is one of the most common pathogens infecting solid organ transplant recipients. We recently showed that (1) CMV infection impairs the induction…2019 American Transplant Congress
Kidney Allografts Induce Systemic Tolerance of Heart Allografts and is Dependent on Foxp3+ Cells
*Purpose: We have successfully achieved cardiac allograft tolerance in both pigs and NHP by donor kidney co-transplantation. The mechanism of Kidney Induced Cardiac Allograft Tolerance…2018 American Transplant Congress
Mechanisms of Vascularized Bone Marrow Graft Protection of Vascularized Composite Allografts
Surgery, University of Maryland, Baltimore, MD.
Background Co-transplantation of vascularized bone marrow (VBM) promotes vascularized composite allograft (VCA) survival with standard immunosuppression in a non-human primate (NHP) model. We investigated mechanisms…2018 American Transplant Congress
PD-L1 May Serve as a Biomarker for Chimerism-Induced Tolerance in Kidney Transplant Recipients
1University of Louisville, Louisville, KY; 2Northwestern Memorial Hospital, Chicago, IL.
Durable chimerism is currently the most reliable biomarker of donor specific tolerance. Identifying and validating other predictive biomarkers is therefore a high priority. Since 2009…2018 American Transplant Congress
Achieving Allograft Tolerance through Antigen-Specific Regulatory B Cells
IntroductionA complete understanding of the role of antigen-specificity in the development of B cell mediated allograft tolerance has remained elusive. Previous work in our lab…2018 American Transplant Congress
Vendor-Specific Differences in Identical Strains of Mice Yield Dichotomous Result in Lung Allograft Rejection
Intro: Orthotropic transplantation of murine lung allografts has paved the way for mechanistic studies of pulmonary tolerance and rejection but discrepancies have been reported by…2018 American Transplant Congress
Post-Hoc Analysis of Everolimus Trough Levels around the Onset of Related Adverse Events and Treatment Discontinuation in De Novo Kidney Transplant Recipients from the US92 Study
1US92 Study Group, Salt Lake City; 2Novartis Pharmaceutical Corporation, East Hanover.
Purpose: Around 30%-50% of kidney transplant recipients (KTR) on sirolimus discontinue treatment due to drug-related adverse events (AE) and ~23% on everolimus (EVR) discontinue treatment…
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