2019 American Transplant Congress
Central Role of Graft Resident Memory T Cells in Pathogenesis of GVHD after Bowel Transplantation
MedStar Georgetown Transplant Institute, Washington, DC
*Purpose: Graft-versus-host disease (GVHD) is a relatively common and highly morbid complication after intestinal transplantation. Its pathophysiology remains poorly understood. Resident memory T cells (TRM)…2019 American Transplant Congress
Depletional Induction Therapy in Non-Human Primates – Preclinical Modeling of Polyclonal Depletion with Rhesus-Specific ATG
*Purpose: Antithymocyte globulins (ATG) have been used in transplantation since the late 1960s to prevent and treat acute allograft rejection. Over the past decade, induction…2019 American Transplant Congress
Increasing Expression of B-cell Maturation Antigen during the Development of Recall Antibody Responses: A Prospective Pharmaceutical Target for B-cell Suppression?
Cedars-Sinai Med Ctr, Los Angeles, CA
*Purpose: Our previous study found that B cell maturation antigen (BCMA) is increasingly expressed by B/plasma cells during the development of de novo alloantibody responses.…2019 American Transplant Congress
BCMA Expression by Alloreactive B Cells Increases during De Novo Alloantibody Responses
Comprehensive Transplant Center, Cedars-Sinai Med Ctr, Los Angeles, CA
*Purpose: BCMA(TNFRSF17) belongs to tumor necrosis factor receptor superfamily. It is selectively expressed during B/plasma cell differentiation while being nearly absent on naive and memory…2019 American Transplant Congress
B Cell Derived Exosomes Are Associated with Antibody Mediated Rejection in Kidney Transplant Recipients Desensitized for a Positive Cross-Match
*Purpose: Kidney transplant recipients undergoing desensitization for a positive cross-match are at very high risk of developing Antibody-Mediated Rejection (AMR). Because of desensitization, peripheral circulating…2019 American Transplant Congress
Dynamic Characterization of Cells in the Perfusate from Cold Ischemic Liver Grafts
Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA
*Purpose: Injury during preservation is a complex process that affects graft function. A deeper understanding and better prediction of liver viability are demanded to improve…2019 American Transplant Congress
Novel Flow-Based Assay to Identify Allo-Specific T Cell Exhaustion
*Purpose: A recent, multi-center immunosuppression withdrawal trial in liver transplant recipients unexpectedly revealed time post-transplant as an important predictor for operational tolerance. We hypothesize that…2019 American Transplant Congress
Extracorporeal Photopheresis for Specific Immune Tolerance Responses in Heart Transplant Recipients
*Purpose: Extracorporeal photopheresis (ECP) treatment following heart transplantation (HTx) may induce transplant tolerance. A monitoring tool for successful ECP treatment would allow determination of patient-specific…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
Examination of a Novel Immunoregulatory Marker in Kidney and Lung Transplant Recipients
*Purpose: The T-cell immunoglobulin and immunoreceptor tyrosine-based inhibitory motif domain (TIGIT) is a co-inhibitory receptor mainly expressed on T cells and NK cells. TIGIT has…
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