2018 American Transplant Congress
Enrichment of Endogenous Donor-Reactive Tregs in the Spleen and Graft during Transplantation Tolerance is the Result of Treg Proliferation and Conversion from Tconv
Surgery and Medicine, University of Chicago, Chicago, IL.
Foxp3+ regulatory T cells (Tregs) are critical mediators of immune tolerance and are absolutely required for allograft tolerance in animal models. In addition, clinical trials…2018 American Transplant Congress
Identification of Human SIRPa Diversity That Could Regulate Innate Allorecognition
Innate allorecognition is a process by which myeloid cells, such as monocytes, distinguish syngeneic from allogeneic cells. Monocytes that recognize donor cells as non-self differentiate…2018 American Transplant Congress
Autophagy Impacts Specificity and Characteristics of Innate Alloimmune Responses in Aging
Transplant Surgery Research Lab, Brigham and Women's Hospital, Boston, MA.
Aging and chronic antigen exposure shape the balance of innate and adaptive immunity. We hypothesized that autophagy will impact the homeostasis of innate and adaptive…2018 American Transplant Congress
Allogeneic T Follicular and T Conventional Responses Assessed by Proliferation, Cytokine Production, and TCR Clonality
1Thomas E. Starzl Transplantation Institute, Pittsburgh; 2Adaptive Biotechnologies, Seattle.
Background: Human CD4+ T cell allo-immunity plays pivotal roles during cellular and humoral allograft rejection. Our previous analysis showed that allo-reactive precursors were present in…2018 American Transplant Congress
Genome Wide Non-HLA Alloimmunity Contributes to Graft Loss after Kidney Transplantation
BackgroundChronic rejection is the main cause of renal transplant loss after the first year and has mostly been attributed to alloimmune responses against human leukocyte…2018 American Transplant Congress
Specific Monocyte Memory to Allogeneic MHC Mediated by Paired Immunoglobulin Receptors (PIR)
Monocytes distinguish between self and allogeneic non-self and contribute to allograft rejection by generating mature, IL-12+, DCs. The initial trigger of monocyte differentiation to DCs…2018 American Transplant Congress
Identification of Macrophage Innate Receptors in Recognition and Rejection of Allogeneic Non-Self in Transplantation
Recent studies in several labs provide compelling evidence that the innate immune cells can recognize and reject allogeneic non-self in an antigen-specific manner, but the…2018 American Transplant Congress
C3a Receptor Regulates the CD8 T-Cell Alloresponse via Intrinsic and Extrinsic Mechanisms
Icahn School of Medicine at Mount Sinai, NY, NY.
The role of complement in solid organ transplantation continues to evolve with our enhanced understanding of complement's regulation of the alloresponse. Prior work has shown…2018 American Transplant Congress
Soluble Fibrinogen-Like Protein 2 Regulates Myeloid-Derived Suppressor Cells Differentiation and Enhances Its Immunosuppressive Function of in Allograft Immunity
Urology, Zhongshan Hospital, Fudan University, Shanghai, China.
Soluble fibrinogen-like protein 2 (sFGL2) is a novel immunoregulatory molecule, secreted mainly by regulatory T cells. CD11b+ Gr1+ myeloid-derived suppressor cells (MDSCs) are an important…2018 American Transplant Congress
LAG-3 Deletion Upregulates Memory in a Dendritic Cell-Dependent Process
Introduction. Cardiac transplantation is critical for management of severe heart failure, but cardiac allografts frequently undergo chronic T-cell-mediated allograft rejection. Our research demonstrates that Lymphocyte…
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