2019 American Transplant Congress
Impact of Belatacept Conversion on Renal Function, Histology and Gene Expression in Kidney Transplant Patients with Chronic Active Antibody-Mediated Rejection
*Purpose: Chronic active antibody mediated rejection (cABMR) is a major cause of long-term kidney transplant (KT) loss. Current therapies have unclear efficacy and significant side…2019 American Transplant Congress
Outcomes in Kidney Transplant Recipients after Conversion from Tacrolimus to Belatacept-Based Regimens
Columbia University Irving Medical Center, New York, NY
*Purpose: Immunosuppressive strategies for belatacept are variable and associated outcomes have not been well described. We examined outcomes among kidney transplant (KT) recipients converted from…2019 American Transplant Congress
Islet Xenotransplantation: A Quest for Clinically Available Immunosuppression Regimens
1Surgery, Duke University, Durham, NC, 2University of Massachusetts, Worcester, MA
*Purpose: Porcine islet xenotransplantation has progressed significantly in non-human primate (NHP) studies. However, all successful NHP studies have relied upon immunosuppressive regimens that utilize drugs…2019 American Transplant Congress
The Negative Costimulatory Pd-1/pd-l1 Pathway Is Upregulated In Early Cell-mediated Rejection
Cleveland Clinic Main Campus, Lerner Research Institute, Cleveland, OH
*Purpose: Extensive transcript analysis has been performed on grafts at the time of rejection, but gene expression preceding overt rejection is less well studied.*Methods: We…2019 American Transplant Congress
Toll Like Receptor 2 Mobilizes Regulatory T Cell Lymphatic Migration by Stimulating Lymphotoxin Expression
*Purpose: Regulatory T cell (Treg) afferent lymphatic migration is important for islet allograft survival. Treg express high levels of lymphotoxin (LT) and bind the LT…2019 American Transplant Congress
Reduction of Pre-Existing Alloantibodies in Highly Sensitized Belatacept-Treated Kidney Recipients
*Purpose: Recent evidence suggests that belatacept reduces the durability of pre-existing antibodies to class I and class II human leukocyte antigens (HLA). Belatacept has a…2019 American Transplant Congress
p40 Homodimer Indirectly Induce Proliferation of Endogenous Donor-Reactive Memory CD8 T Cells within High-Risk Allografts via IL-15 Signaling
Inflammation and Immunity, Cleveland Clinic, Cleveland, OH
*Purpose: Increasing the duration of cold ischemic storage (CIS) from 0.5 to 8 hrs prior to transplant induces the increased proliferation of endogenous donor-reactive CD4…2019 American Transplant Congress
Effects of Thalidomide and Dexamethasone Co-Treatment on CD8+ T Cells
*Purpose: Thalidomide (TM) is known to have anti-cancer and anti-inflammatory effects and dexamethasone (DX) has been reported that it also reduces inflammation and inhibits inflammatory…2019 American Transplant Congress
Selective CD28 Blockade-Mediated Inhibition of T Follicular Helper Cell and DSA Responses is CTLA-4 Dependent
Emory Transplant Center, Atlanta, GA
*Purpose: Clinical costimulation blockade of the CD28 pathway in the form of CTLA-4Ig has shown the ability to attenuate T cell dependent DSA responses. However,…2019 American Transplant Congress
Peripheral Blood Regulatory T Cells In The Folow In The Kidney-transplant Patients
*Purpose: Investigate the peripheral blood levels of CD4+CD25+FOXP3p3+ regulatory T cells (Tregs) in patients with kidney transplant at least one year after kidney transplantation and…
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