2018 American Transplant Congress
Influence of Dendritic Cell Subsets on Enhancing Oral Tolerance in Cardiac Transplantation Model
Oral tolerance has been implicated in the protection of transplant rejection in the animal models. Antigen presenting cells (APCs) are responsible for sampling their environment…2018 American Transplant Congress
Prevention and Reversal of Diabetes through Restoration of B and T Cell Regulation and Immune Homeostasis
Goal: To determine the mechanisms by which IgM restores immune homeostasis in new-onset diabetic NOD mice.Methods: 1) 5wks old non-obese diabetic (NOD) mice received mouse…2018 American Transplant Congress
Ex Vivo-Expanded Human CD19+CD73–CD25+CD71+TIM-1+ B Regulatory Cells Can Prolong Allograft Survival in a Humanized Mouse Model of Skin Transplantation and Are Dependent on TIM-1-Mediated Regulation of STAT3 Signaling
The importance of B regulatory cells (Breg) in both health and disease has rapidly become evident over the last decade. Breg are able to control…2018 American Transplant Congress
Long-Term Nonhuman Primate Renal Allograft Survival without Ongoing Immunosuppression in Recipients of Delayed Donor Bone Marrow Transplantation
Center for Transplantation Sciences, Massachusetts General Hospital, Boston, MA.
Background: We have previously reported induction of renal allograft tolerance in nonhuman primates following an initial post-transplant period of conventional immunosuppression (IS) using a nonmyeloablative…2018 American Transplant Congress
T Cell Immunomonitoring Including Donor Specific Treg Expansion Prospectively Predicts Renal Allograft Tolerance Induced by Transient Mixed Chimerism
Center for Transplant Science, Massachusetts General Hospital, Boston, MA.
Background: Successful induction of allograft tolerance in MHC-mismatched kidney transplantation has been achieved after induction of transient chimerism in both nonhuman primates (NHP) and humans.…2018 American Transplant Congress
Donor T Cells Undermine the Graft-Protective Effect of DST Plus Anti-CD154
Plastic Surgery, Johns Hopkins University, Baltimore, MD.
Costimulation blockade (CoB) regimens are a promising immunomodulatory strategy to prevent transplant rejection. However, their efficacy is affected by multiple factors, including still unknown ones.…2018 American Transplant Congress
Dual Function of IRF1/IRF4 on Dendritic Cells in Mouse Liver Transplantation Model
Tolerogenic dendritic cells play an essential role in transplant tolerance induction. However, how to induce tolerogenic dendritic cells is not fully understood. Here, we sorted…2018 American Transplant Congress
Dependency on CD4 T Cells, Foreign Protein, and CD22 for Generation of Antibody Response to Non-Self Blood Group A-Antigen in a Mouse Model
Background: ABO-incompatible heart transplantation (ABOi-HTx) is safe during infancy and allows increased donor access. B cell tolerance develops to donor A/B-antigens (Ag) after ABOi HTx…2018 American Transplant Congress
Confirmation of the Feasibility of Ex Vivo Creation of a Novel Human Multi-Chimeric Cells Therapy for Tolerance Induction in Vascularized Composite Allotransplantation
Orthopaedics, University of Illinois at Chicago, Chicago, IL.
Purpose:Various stem cell-based therapies have been proposed as supportive treatments for patients following solid organ and vascularized composite allotransplantation (VCA) to achieve donor-specific tolerance and…2018 American Transplant Congress
ABO Tolerance after Treatment of Infant or Adult Mice with MHC-Matched A-Expressing Blood Cells
Purpose: ABO-incompatible heart transplantation (ABOi HTx) is safe during infancy and allows increased donor access. Post-ABOi HTx B cell tolerance develops to donor blood group…
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