2020 American Transplant Congress
The Role of Antigen Presentation in B Regulatory Cell Function
1Boston Children's Hospital, Boston, MA, 2Massachusetts General Hospital, Boston, MA
*Purpose: B regulatory cells (B regs) represent a subset of B cells with non-canonical regulatory function. The majority of effort has been focused on the…2020 American Transplant Congress
Targeting the CD40/CD40L Axis in Sensitized Nonhuman Primate Allotransplantation
*Purpose: Blockade of the CD28/B7 costimulation pathway has shown great promise as part of desensitization and maintenance immunosuppression regimens in our sensitized nonhuman primate model.…2020 American Transplant Congress
Transcriptome-Based Study of Tim-1- B Cells and Tim-1+ Regulatory B Cells
Center for Transplant Science, MGH, Boston, MA
*Purpose: Tim-1 signaling has an important role in maintaining the function of Regulatory B cells. Our previous study suggested Tim-1+ Bregs can prolong the survival…2020 American Transplant Congress
The Ratio between Naïve and Memory B Cells is Associated with Development of Early Donor-Specific Antibodies within the First Month after Lung Transplantation
*Purpose: After lung transplantation (LuTx), the development of early donor HLA-specific antibodies (eDSA) has been shown to be associated with antibody-mediated rejection (AMR) and poor…2020 American Transplant Congress
Characterization of CpG-stimulated, Tlr Regulatory, and Expanded Regulatory B Cells by RNA-Seq
Center for Transplant Science, MGH, Boston, MA
*Purpose: Our group previously reported three different types of in vitro generated B cell populations. Expanded regulatory B cells (eBregs), TLR regulatory B cells (TLR-Bregs),…2020 American Transplant Congress
Plasma Cells Are Not Necessary for Regulatory B Cells and Preventing Their Differentiation Markedly Prolongs Allograft Survival
Thomas E Starzl Transplant Institute, University of Pittsburgh, Pittsburgh, PA
*Purpose: Plasma Cells (PCs) are the primary source of circulating antibodies. PCs were reported to be the major source of B-cell lineage IL-10, and absence…2020 American Transplant Congress
Treatment Strategies to Suppress Donor Specific Antibodies: Highlights from a Decade of Research Experience in a Mouse Model of Allo-Sensitization
Cedars-Sinai Med Ctr, Los Angeles, CA
*Purpose: Difficulty in desensitization in highly sensitized patients remain problematic in organ transplantation. For over 12 years, our laboratory has been carrying out an HLA…2020 American Transplant Congress
B Cell Derived IL-1β and IL-6 Drive Homeostatic T Cell Recovery Following Lymphoablation
Inflammation and Immunity, Cleveland Clinic, Cleveland, OH
*Purpose: T cell reconstitution after lymphoablation in allograft recipients may lead to acute rejection and poor graft outcome. Using a mouse model of heart transplantation…2020 American Transplant Congress
Next Generation Sequencing B Cell Receptor Reveals B Cell Clones Encoding HLA Antibody in Transplant Recipients
HLA and Immunogenetcis Laboratory /CTC, Cedars Sinai Medical Center, Los Angeles, CA
*Purpose: The development of HLA donor specific antibodies (DSA) increases the risk of antibody mediated rejection and is an independent predictor of poor patient survival.…2020 American Transplant Congress
Effect of Rituximab Dose as Induction Therapy in ABO Incompatible Living Kidney Transplantation A Systemic Review and Network Meta Analysis
1Inha University, Incheon, Korea, Republic of, 2Keimyung University, Daegu, Korea, Republic of
*Purpose: ABO-incompatible living kidney transplantation (ABOILKT) has steadily become more widespread. However, the optimal immunosuppressive regimen for ABOILKT remains uncertain. We aimed to determine the…
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