2015 American Transplant Congress
Activation of Th17 and Chronic Renal Allograft Rejection in Nonhuman Primates
Transplant Center, Massachusetts General Hospital, Boston, MA.
Background: We have previously reported successful induction of renal allograft tolerance in nonhuman primates (NHP) via a mixed chimerism approach. Although donor specific Th1 and…2015 American Transplant Congress
Desensitization With Costimulation Blockade and Proteasome Inhibition in a Non-Human Primate Model of Kidney Transplantation
[Background] Sensitization is a growing problem on the kidney waiting list. Alloantibody can significantly deteriorate graft survival. Currently used desensitization strategies are time-consuming, expensive and…2015 American Transplant Congress
CD28 Saturation by FR104, a Non-Activating CD28 Antagonist Fab in a Non-Human Primate Cardiac Allograft Model
Background: Targeting CD28 costimulation pathway with a selective antagonist is a promising approach in tolerance induction. The extent to which novel therapeutic antibodies reach their…2015 American Transplant Congress
Generation, Cryopreservation, Function and In Vivo Fate of Ex-Vivo Expanded Cynomolgus
Background:Foxp3+ regulatory T cells (Treg) function to promote immune tolerance and prevent immunopathogenesis. Preclinical studies have demonstrated that adoptive transfer of Treg prevents rejection of…2015 American Transplant Congress
Donor Specific Expansion of Regulatory T-Cells Was Associated With Allograft Tolerance Induced By Transient Mixed Chimerism in Nonhuman Primates
Transplant Center, Massachusetts General Hospital, Boston, MA.
Background: We have previously reported successful induction of solid organ allograft tolerance in nonhuman primates (NHP) via a mixed chimerism approach. Since these recipients achieved…2015 American Transplant Congress
Selective CD28 Blockade With or Without CD40-CD154 Blockade Promotes Cardiac Allograft Protection in Non-Human Primates
1Surgery, University of Maryland School of Medicine, Baltimore, MD; 2INSERM, U643, Nants, France.
Aim: Selective targeting CD28:B7 costimulation without interfering with CTLA-4-dependent immune regulation is theoretically an attractive approach to modulate pathogenic T cell-dependent immunity. We previously reported…
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