2015 American Transplant Congress
Effects of Heart and Lung Co-Transplantation Across a Full MHC Barrier in Miniature Swine
Background: We have previously shown that tolerance of heart allografts across a full MHC barrier can be induced in miniature swine after a 12-day course…2015 American Transplant Congress
The Role of Skin-Specific Immunobiology and Major Histocompatibility Complex Sharing in Vascularized Composite Allograft Tolerance
Transplantation Biology Research Center, Massachusetts General Hospital, Boston, MA.
Background: We have developed a reproducible model for induction of tolerance of all components of VCAs across haploidentical MHC barriers in miniature swine. The purpose…2015 American Transplant Congress
Stable and Unstable Chimerism During Immunosuppressive Drug Withdrawal in Tolerant Recipients of HLA Matched Combined Kidney and Hematopoietic Cell Transplants
1Surgery, Stanford University, Palo Alto, CA; 2Medicine, Stanford University, Palo Alto, CA.
Our previous studies showed that 75-80% of HLA matched recipients of combined kidney and hematopoietic cell transplants conditioned with total lymphoid irradiation (TLI) and anti-thymocyte…2015 American Transplant Congress
Myeloid Cells as a Key Mediator for Impairment of Transplant Tolerance by CMV Infection
Cytomegalovirus (CMV) is a ubiquitous virus that presents a significant risk for reactivation or de novo infection in transplant recipients. Clinical transplant tolerance has recently…2015 American Transplant Congress
Human Adipose Derived Mesenchymal Stem Cells Enhance Bone Marrow Engraftment and Induce Immunological Tolerance
1UMASS, Worcester; 2Alpert Medical School of Brown University, Providence.
Organ transplantation currently requires long-term immunosuppression. This is associated with multiple complications including infection, malignancy and other toxicities. Immunologic tolerance is considered the optimal solution…2015 American Transplant Congress
Immunomodulatory Strategies Directed Towards Tolerance of Vascularized Composite Allografts
Background: Achieving tolerance of vascularized composite allografts (VCAs) would improve the risk-to-benefit ratio in patients who undergo this life-enhancing transplant. Kidney co-transplantation along with a…2015 American Transplant Congress
Six Year Follow-Up of a Phase 2 Clinical Trial to Induce Tolerance in Mismatched Living Donor Renal Transplant Recipients
27 subjects have been transplanted in a phase 2 protocol (IDE 13947) based upon tolerogenic CD8+/TCR- facilitating cells (FCRx) and 200 cGy TBI-based nonmyeloablative conditioning…2015 American Transplant Congress
Vaccine-Induced 'Incognito' CD8+ T Cell Memory Can Disrupt Transplantation Tolerance
Transplant recipients harbor immunity to vaccines and pathogens (e.g. CMV, EBV). Pre-existing immunity can have significant antigen-specific ramifications, usually attributed to heterologous immunity, as pathogen-reactive…2015 American Transplant Congress
Glycogen Synthase Kinase 3β Inhibition Promotes Human iTreg Differentiation and Suppressive Function
The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.
Induced regulatory T cells (iTregs) are essential to maintain immunological tolerance, immune homeostasis, and prevention of autoimmunity. Some studies suggest that glycogen synthase kinase 3β…2015 American Transplant Congress
Costimulation Blockade Prevents Rejection of Vascularized Composite Allografts
[Background] Vascularized composite allotransplantation (VCA) is an emerging new era in transplant medicine and has become a valid therapeutic option after devastating tissue loss. The…
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