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…2019 American Transplant Congress
Role of MHC Class II in B Cell and Regulatory T Cell Development
Surgery, Center for Transplantation Sciences, Massachusetts General Hospital, Boston, MA
*Purpose: Therapies involving CD4 regulatory T cells (Tregs) are promising approaches to mitigate graft rejection and autoimmunity. Understanding of the activation mechanisms that initiate Treg…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
A Step-Wise Desensitization Using Rituximab&Bortezomib Combined with Antithymocyte Globulin for Highly Sensitized Kidney Transplant Candidates
Hiroshima University, Hiroshima, Japan
*Purpose: In highly HLA sensitized patients, both memory B and T cells responding to donor-specific HLA in addition to plasma cells secreting anti-HLA Abs are…2019 American Transplant Congress
Iguratimod Inhibits the Donor Specific Antibodies Production and Attenuates the Antibody Mediated Rejection in Rat Kidney Transplantation
No.300 Guangzhou Road of Nanjing, Nanjing, China
*Purpose: Our study was designed to investigate the efficacy and related mechanisms of Iguratimod (T-614) in the inhibition of DSAs following kidney transplantation.*Methods: A rat…2019 American Transplant Congress
Treg-Lymphatic Crosstalk: Lymphotoxin Signals as Modulators of Immunity and Suppression
*Purpose: Little is known about the molecular cues that regulate the entry of leukocytes across lymphatic vessels. Regulatory T cells (Treg) express high amounts of…
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