2022 American Transplant Congress
A Novel IL-2 Mutein Selectively Expands Regulatory T Cells and Prolongs Skin Graft Survival
*Purpose: Promoting immune regulation through expansion of regulatory T cell (Treg) may allow immunosuppression minimization and improve long-term graft outcomes. Low-dose IL-2 is known to…2022 American Transplant Congress
Phase I/ii Car-Treg Cell Therapy Clinical Trial To Induce Long-term Tolerance In Liver Transplant Patients
1King's College London, London, United Kingdom, 2Quell Therapeutics Ltd, London, United Kingdom
*Purpose: Life-long pharmacological immunosuppression (IS) is considered essential to prevent rejection following liver transplantation (LT), but is associated with significant side effects such as infections,…2022 American Transplant Congress
Novel Role of CD74 in Regulatory T Cell Homeostasis and Function in Allo-Immune Response
1Brigham and Women's Hospital, Boston, MA, 2Yale University School of Medicine, New Haven, CT
*Purpose: Identifying new molecular targets based on our understanding of the biology of the allo-immune response in the allograft microenvironment is critical to develop more…2022 American Transplant Congress
Effector T Cells Potentiate Treg Migration to Allografts
Surgery and Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA
*Purpose: CD4+ regulatory T cells (Treg) maintain transplantation tolerance through the suppression of immunity in both secondary lymphoid organs and allografts. However, the signals promoting…2022 American Transplant Congress
Successful Use of Anti-IL-6R Therapy to Achieve Cardiac Allograft Tolerance in Non-Human Primates
Center for Transplantation Sciences, Massachusetts General Hospital, Boston, MA
*Purpose: In contrast to kidney allografts, attempts to achieve tolerance of isolated cardiac allografts in non-human primates (NHPs) using a mixed chimerism strategy have been…2022 American Transplant Congress
Using mTOR Inhibitor Nanoimmunotherapy to Induce Cardiac Allograft Tolerance in Non-Human Primates
*Purpose: Though tolerance of kidney allografts has been consistently achieved using a mixed-chimerism model, cardiac allografts remain resistant to tolerance induction. Lipoprotein-based nanobiologics loaded with…2022 American Transplant Congress
Delivery of Extracellular Matrix Targeted Regulatory T Cells by Novel Nanofiber Coatings for Transplantation Therapies
*Purpose: Regulatory CD4+CD25+FOXP3+ T cells (Tregs) have been shown to induce tolerance in transplantation models and can mitigate transplant rejection or injury following ischemic reperfusion…2022 American Transplant Congress
High Dimensional Analysis of IL-10-Producing Human B Cells and Their Characterization in Operationally Tolerant Transplant Recipients
Stanford University Sch of Med, Stanford, CA
*Purpose: Regulatory B cells (Breg) participate in control of alloimmune responses in murine models of graft tolerance and are associated with improved outcomes in clinical…2022 American Transplant Congress
Why Females Have Weaker Tregs Than Males: Inhibitory Effects of Estrogen Receptor Signaling on Foxp3+ Treg Cell Suppressive Function
*Purpose: Estrogen signaling is thought to play a role in nearly every cell type, but the biological significance of estrogen signaling via estrogen receptors in…2022 American Transplant Congress
Identification of a Unique and Mechanistic Urinary Cell mRNA Signature in Tolerant Kidney Transplant Recipients Conditioned with FCR001 Facilitating Cells
*Purpose: Urinary cell mRNA profiling is a powerful tool to interrogate kidney allograft status and can diagnose and anticipate acute rejection in kidney allograft recipients.…
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