2017 American Transplant Congress
Lymphotoxin (LT) β Receptor-Mediated Non-Classical NFκB Signaling in Lymphatic Endothelial Eells (LEC) is Required for Homeostatic T Cell Migration.
Background: The selective recruitment of regulatory T cells (Treg) or blockade of memory/effector T cell migration to the graft and draining lymph nodes (dLN) are…2017 American Transplant Congress
CMV-Specific CD4+ T Cells in CMV-IgG-Seronegative Individuals Protect from CMV Viremia Following Transplantation with a CMV-Seropositive Donor Kidney.
Internal Medicine, Nephrology and Transplantation, Erasmus Medical Center, Rotterdam, Netherlands
A primary infection with cytomegalovirus (CMV) is one of the major threats following transplantation of a CMV-IgG-seropositive donor organ into a CMV-IgG-seronegative individual. Therefore, prophylactic…2017 American Transplant Congress
CD4+CD28null T Cells Require IL-15 & IL-21 to Become Alloresponsive.
IntroductionAgeing and a pro-inflammatory milieu, such as present in patients with end-stage renal disease, are important drivers of increased T-cell differentiation, which is accompanied by…2017 American Transplant Congress
Baseline Immune Assessment to Individualize Immunosuppression in SPK Recipients with Type 1 Diabetes.
Introduction:Type 1 diabetes (T1D) is an immune-mediated disorder associated with multiple immunological anomalies. Immunologic abnormalities might help to explain why recipients of simultaneous pancreas kidney…2017 American Transplant Congress
FcγRIIB-Mediated Coinhibition Attenuates Donor-Reactive CD8+ T Cell Responses.
Emory Transplant Center, Emory University, Atlanta, GA
Memory T cells can be a formidable barrier to long-term, rejection-free allograft survival, particularly in the setting of costimulation blockade. Ongoing work in the field…2017 American Transplant Congress
Fate and Function of CD8+ T Cells Primed by Fetal Antigen During Pregnancy.
Background The long-term fate of maternal T cells primed by fetal antigen during pregnancy has not been well studied but may have significant impact for…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
High CTLA-4 Expression and Diminished FOXO3 Expression Underlie Differential CD28 Signaling on Human Memory Th17 Cells.
Pathogen primed memory T cells can cross-react with allogeneic antigen and mediate graft rejection, a process termed allogeneic heterologous immunity. Th17 cells are pro-inflammatory CD4+…2017 American Transplant Congress
Myeloid-Derived Suppressor Cells (MDSC) Accumulate in Intestinal Transplant (IT) Recipients (rc) and Suppress Recipient T-Cell (T) Response Against Donor Antigen.
[Introduction] Recent advances of immunosuppressive regimens have decreased rejection rate and improved rc survival of IT. MDSC are potent immature myeloid cells capable of suppressing…2017 American Transplant Congress
Persistent Donor Antigen Leads to Dysfunctional CD4+ Memory T Cell Development.
Tolerance to alloantigens is characterized by low alloreactive T cell responses upon restimulation with donor antigens, a state that can result from deletion of donor-specific…
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