2018 American Transplant Congress
Shikonin Inhibits Th17 Development through Repressing STAT3 Activation
Background: Th17-mediated inflammatory responses are detrimental for allograft acceptance and long-term survival after transplantation. Shikonin is a naphthoquinone pigment isolated from a traditional medicinal herb…2018 American Transplant Congress
Rapamycin Impairs Human Endothelial Cell Alloimmunogenicity Independent of PD-1/PD-1 Ligand Inhibitory Signaling
Department of Surgery, Duke University Medical Center, Durham, NC.
Rapamycin prevents costimulation blockade (CoB)-resistant rejection in mice and primates, and early human data suggests a similar salutary effect. We have hypothesized that one mechanism…2018 American Transplant Congress
Targeting Calcium Release-Activated Calcium (CRAC) Channel in Non-Human Primate Kidney Transplantation
[Background] Long-term administration of calcineurin inhibitors (CNIs) successfully controls rejection of transplanted organs. However, the chronic use of these drugs causes organ damage often resulting…2018 American Transplant Congress
Activity Nanosensors for Early and Noninvasive Detection of Acute Organ Transplant Rejection
Purpose: We engineered activity nanosensors that sense anti-allograft T cell activity in vivo to noninvasively detect the onset of acute cellular rejection from urine.Methods: Granzyme…2018 American Transplant Congress
Belatacept-Refractory CD8+CD28–CD38hi Effector/Memory T Cells Are Targeted by mTOR Inhibition Leading to a Preferential Loss of CD40L
Calcineurin inhibitors (CNIs) and corticosteroids (CSS) have substantial untoward side effects, most notably nephrotoxicity. Consequently, the FDA approved belatacept for maintenance immunosuppression. We recently completed…2018 American Transplant Congress
Recipient IFNAR1 Signaling Supports Costimulation Independent Rejection by Promoting T Cell Activation
Department of Surgery, Emory University, Atlanta, GA.
Costimulation blockade (CoB) is a promising strategy for more targeted/less toxic transplant immunosuppression which has led to the first improvement in long-term outcomes for transplant…2018 American Transplant Congress
Bone Marrow Derived Myeloid Suppressor Cell (BM-MDSCs) Prolongs the Graft Survival in Murine Heart Transplantation
Atopy(Allergy) Research Center, Juntento University, Tokyo, Japan.
Purpose: To investigate the impact of BM-MDSCs on murine heart transplantationMaterial and Methods:Bone marrow cells were harvested and cultured with granulocyte-macrophage colony-stimulating factor (GM-CSF) and…2018 American Transplant Congress
Lymph Node Stromal Laminins Affect Graft Survival through Regulation of CD4 T Cell Proliferation and Migration
University of Maryland, Baltimore, MD.
Background: Our prior studies demonstrated that tolerance and immunity are associated with differential expression of lymph node (LN) stromal laminins α4β1γ1 (411) and α5β1γ1 (511),…2018 American Transplant Congress
OX40 Costimulation Prevents Induction of Foxp3+ Tregs through Upregulation of Novel Repressors of Foxp3 Gene Expression
Foxp3+ Tregs are essential for the induction of transplant tolerance and OX40 costimulation is known to break transplant tolerance. The exact mechanism of OX40 in…2018 American Transplant Congress
The Inhibitory Effect of Plasma on Activation of Lymphocytes from Kidney Transplants is Significantly More Severe in Tacrolimus Based Regimen: What Implications for Plasma Exchange Role in Anti-Rejection Therapy?
Background:Reduction of lymphocyte proliferation by human plasma has been previously reported. Reduced activation of lymphocytes of patients on immunosuppressive drugs is well documented. However, trial…
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