2017 American Transplant Congress
Induction of Tolerance to Renal Allografts in Non Human Primates by Concomitant Donor-Matched Vascularized Osteomyocutaneous Allotransplantation.
Introduction: We hypothesized that hematopoietic stem cell (HSC) niches in bone marrow of vascularized osteomyocutaneous allografts (VOMA) will facilitate mixed chimerism (MC) and tolerance to…2017 American Transplant Congress
Immunosuppression (IS) Withdrawal (ISW) After ATG and Rituximab in Kidney Transplant Recipients (KTR): RESTARRT Early Results (NCT01318915).
Growing evidence implicates B cells in transplant tolerance. RESTARRT is a 6-center ISW study in adult living-related-donor KTR receiving ATG induction and rituximab with a…2017 American Transplant Congress
Tolerant Pediatric Liver Transplant (LT) Recipients (TOL) from WISP-R (NCT00320606) Split into Two Phenotypically Distinct Groups by PD1 Expression on CD4+ T Cells at Baseline, Prior to Immunosuppression Withdrawal (ISW).
Background: Combinations of cell surface markers such as PD1, CD57, and/or KLRG1 identify T cells that may fail to respond to cognate antigen challenge –…2017 American Transplant Congress
Utility of IL-2 Complexes in Promoting Vascularized Composite Allograft Survival.
Vascularized composite allografts (VCA) are a novel, life-enhancing form of transplantation (Tx). The complexity of host immune responses to VCA tissues, especially those involving skin,…2017 American Transplant Congress
Identification of Novel Diagnostic Biomarkers in Liver Transplantation Tolerance.
1Cleveland Clinic, Cleveland; 2University of Chicago, Chicago
Current success in liver transplantation (LTX) relies on life-time administration of non-specific immunosuppressive drugs, leaving patients prone to infection and cancer. Previous reports indicated about…2017 American Transplant Congress
CD40/CD40 Ligand Signal Controls Cytotoxic Ability of Natural Killer Cells After Invariant Natural Killer T Cell Stimulation.
Because iNKT cells have powerful immune-regulatory function, an administration of iNKT cell ligand; α-galactosylceramide (aGC) is one of the potent strategies for induction of transplant…2017 American Transplant Congress
CD4 and CD8 T Cells: Respectively Reprogrammed and Recapitulated in the Neonate to Induce Transplant Tolerance.
Alberta Transplant Institute, University of Alberta, Edmonton, Canada
Purpose: Non-conditioned neonatal mice develop acute graft-versus-host disease (aGVHD) when injected with adult allogeneic spleen and bone marrow cells (allo-SC/BMC). To prevent aGVHD and induce…2017 American Transplant Congress
Subclinical Histologic Findings Are Observed in 25% of Stable Adult Liver Transplant Recipients (ALTRs) Screened for Immunosuppression Withdrawal (ISW): OPTIMAL (NCT02533180).
OPTIMAL is a 6-center ISW study in non-autoimmune, non-HCV ALTRs ≥3 yrs post-transplant (tx). Studies have shown a correlation between portal inflammation associated with tissue…2017 American Transplant Congress
Eight Year Follow-Up of a Phase 2 Clinical Trial to Induce Tolerance in Living Donor Renal Transplant Recipients.
1Northwestern University, Chicago; 2U of Louisville, Louisville
36 subjects have been transplanted in a phase 2 protocol (IDE 13947) to induce tolerance in recipients of living donor renal allografts (KTx). The protocol…2017 American Transplant Congress
Early Evolution and Immunopathologic Phenotype of Treg-Rich Organized Lymphoid Structures (TOLS) Associated with Immunological Tolerance in Accepted Mouse Kidney Allografts.
Introduction: Lymphoid neogenesis has been found in allografts after organ transplant. We previously reported that spontaneously accepted DBA/2 to B6 kidney allografts developed distinctive, peri-arterial…
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