2019 American Transplant Congress
Generation of Human/Pig Hybrid Thymus to Achieve Immune Tolerance to Pig Antigens with Optimal Immune Function
Columbia University, New York, NY
*Purpose: Thymus transplantation is a promising approach to induce T-cell tolerance for xenotransplantation. We have previously shown that humanized mice generated with human hematopoietic stem…2019 American Transplant Congress
Decreased Cancer Susceptibility in Tolerant Liver Transplant Recipients: Another Benefit of Tolerance?
*Purpose: Long-term survival of transplant recipients is significantly impacted by malignancy. Induction of tolerance is feasible in a subset of liver transplant (LT) recipients. The…2019 American Transplant Congress
First Report and Mechanistic Analysis of Operational Tolerance after Intestinal Transplant
1MedStar Georgetown Transplant Institute, Washington, DC, 2University of Pittsburgh, Pittsburgh, PA
*Purpose: Transplantation tolerance is a highly sought and rarely achieved state in clinical medicine. Defined as long-term stable and acceptable graft tolerance without immunosuppression and…2019 American Transplant Congress
Quality of Life in Tolerant Living Donor Kidney Transplants vs. Standard of Care
1Regenerex, Inc., Louisville, KY, 2Northwestern U, Chicago, IL, 3U of Louisville, Louisville, KY
*Purpose: 37 subjects have been transplanted since 2009 in a phase 2 protocol to induce tolerance in recipients of living donor renal allografts. The protocol…2019 American Transplant Congress
In Vivo/In Situ Behaviour of Allogeneic Spleen versus Bone Marrow Cells in Wild-Type Neonatal Mice: Insights into Robust Transplant Tolerance Induction
Pediatrics, University of Alberta, Edmonton, AB, Canada
*Purpose: Comparing the behaviour of fully allogeneic spleen (SC) vs bone marrow cells (BMC) in non-conditioned neonatal mice is important for maximizing synergistic interactions between…2019 American Transplant Congress
Xenorejection of Porcine Islets in Humanized Mice is Dominated by a Human Th17 Cytokine Immune Response
*Purpose: We have previously shown that interleukin(IL)-17 producing CD4 T cells (Th17 response) dominate in the early anti-donor immune responses of a pig-to-mouse xenogeneic model…2019 American Transplant Congress
Targeting Cell Metabolism for Efficient Large-Scale Expansion of Functional Regulatory T Cells
University of Kentucky, Lexington, KY
*Purpose: A growing body of evidence recognizes the balance between graft-reactive effector T cells and graft-protective regulatory T cells (Tregs) as the ultimate determinant of…2019 American Transplant Congress
Ten Year Follow-Up of a Phase 2 Clinical Trial to Induce Tolerance in Living Donor Renal Transplant Recipients
1Northwestern U, Chicago, IL, 2Duke U, Durham, NC, 3U Louisville, Louisville, KY
*Purpose: 37 subjects have been transplanted in a phase 2 protocol to induce tolerance in recipients of living donor renal allografts (KTx) based upon tolerogenic…2019 American Transplant Congress
Transplantation Alone Induces Myeloid-Derived Suppressor Cells Which Can Suppress T Cell Responses
University of Maryland, Baltimore, MD
*Purpose: Myeloid-derived suppressor cells (MDSC) are a naturally occurring, heterogeneous population of highly immunosuppressive CD11b+GR-1+ cells that expand in response to inflammatory conditions. MDSCs develop…2019 American Transplant Congress
Heart En Bloc Thymus Cotransplantation in NHPs
*Purpose: Tolerance of isolated cardiac allografts has never been achieved in NHPs. We investigated whether a cotransplanted, vascularized, donor thymus could induce tolerance of a…
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