2020 American Transplant Congress
Impact of Belatacept Conversion on Renal Function, Histology and Gene Expression in Kidney Transplant Patients with Chronic Active Antibody-Mediated Rejection
1Virginia Commonwealth University, Richmond, VA, 2ATAGC, Edmonton, AB, Canada
*Purpose: Chronic active antibody mediated rejection (cABMR) is a major cause kidney transplant (KT) loss. Current therapies have unclear efficacy and side effects. Basic and…2020 American Transplant Congress
Safety of Belatacept in HIV-Positive Kidney Transplant Recipients
*Purpose: Kidney allograft survival in HIV-infected patients is lower than in the general population. Belatacept (instead of anticalcineurins (CNI)) has been shown to have a…2020 American Transplant Congress
Determination of Programmed Cell Death Protein 1 (PD1) by Flow Cytometry, a Possible Follow-Up Tool in Renal Transplantation of High Immune Risk
*Purpose: Introduction: Currently, the follow-up of patients remains to be the serum creatinine level, being highly specific, however, with little sensitivity to determine the occurrence…2020 American Transplant Congress
p40 Homodimers Indirectly Induce Endogenous Donor-Reactive Memory CD8 T Cell Activation within High-Risk Cardiac Allografts and CTLA-4ig Resistant Graft Rejection via IL-15 Signaling
Inflammation and Immunity, Cleveland Clinic, Cleveland, OH
*Purpose: We have reported that longer duration of cold ischemic storage (CIS) prior to transplant resulted in increased proliferation of endogenous donor-reactive CD8 T cells…2020 American Transplant Congress
Notch Signaling Inhibition via Blockade of Delta-Like Ligand 4 Prevents Co-Stimulation Blockade Resistant Allograft Rejection
Surgery and Transplantation, Emory University, Atlanta, GA
*Purpose: Co-stimulation blockade (CoB) has emerged as a promising immunosuppression strategy with the advent of Belatacept, a novel CTLA4-Ig fusion protein that blocks CD28-mediated T…2020 American Transplant Congress
Comparison of Reduced-Dose and Labeled-Dose Belatacept Conversion with Immediate or Early Tacrolimus Withdrawal in Kidney Transplant Recipients without Maintenance Corticosteroids
1U Cincinnati, Cincinnati, OH, 2The Christ Hospital, Cincinnati, OH
*Purpose: A primary reason for conversion from tacrolimus (TAC) to belatacept (BELA) is to avoid nephrotoxicity. Previous published experiences with BELA-conversion regimens have shown increased…2020 American Transplant Congress
Altering Homeostatic Repopulation with Thymic Irradiation and Donor Mesenchymal Stem Cell Infusions in a Nonhuman Primate Model
Department of Surgery, Duke University Medical Center, Durham, NC
*Purpose: Lymphocyte depletion and subsequent homeostatic repopulation present opportunities to shape the alloreactive immune repertoire to favor tolerance. We tested if the addition of thymic…2020 American Transplant Congress
Selective Dual Co-Stimulatory Blockade of CD28/CD80-86 and PD1-PL2 with a Novel Recombinant Bi-Specific Fusion Protein (Hybri-2) Promotes Successful Humoral Desensitization in a Stringent Sensitized Rat Model
*Purpose: Humoral Alloimmune memory is a main barrier for successful kidney transplantation and is orchestrated by a compartmentalized cellular immune response driven by bone-marrow LLPCs…2020 American Transplant Congress
7-Years Retrospective Cohort of CNI to Belatacept Conversion
*Purpose: Analyze the long-term evolution after calcineurin inhibitors (CNIs) to Belatacept conversion in kidney allograft recipients.*Methods: In this single-center retrospective study, we collected all patients…2020 American Transplant Congress
CMV, EBV and BKV Viremia Rate Varied Depending on the Timing of Conversion to Belatacept (BLT)- from Calcineurin Inhibitor (CNI)-Based Immunosuppression and HLA-Sensitization (HS) Status in Kidney Transplant Patients (KTx Pts)
Cedars-Sinai Medical Center, Los Angeles, CA
*Purpose: Viral infections (VI) represent significant morbidity and mortality factors for KTx Pts. We previously showed more VI in BLT-treated Pts compared with CNI Pts…
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