2022 American Transplant Congress
Autologous Mesenchymal Stem Cells for Treatment of Chronic Antibody-Mediated Kidney Graft Rejection: Report of the First Phase I/II Clinical Case Series
*Purpose: The aim of this study is to evaluate the safety and efficacy of autologous mesenchymal stem cellc (MSCs) in combination with standard of care…2022 American Transplant Congress
Ikaros-SIRT1 Signaling Axis Regulates Macrophage Pyroptosis and Ischemia-Reperfusion Injury (IRI) in Mouse and Human Liver Transplantation
1UCLA Medical Center, Los Angeles, CA, 2NIEHS, Durham, NC
*Purpose: Although Ikaros is a well-established regulator of lymphopoiesis, its role in myeloid cells and organ IRI remains unclear. We recently reported that the SIRT1-mediated…2022 American Transplant Congress
Perturbing Proteostasis to Deplete Plasma Cells
*Purpose: Alloantibodies play critical roles in rejection and often prevent sensitized patients from receiving life-sustaining transplants. One approach for enhancing transplantation rates and survival for…2022 American Transplant Congress
Bone Marrow Resident Long-Lived Plasma Cells as Source of Chronic Donor-Specific Antibodies
Dept. of General Surgery, Div. of Transplantation, Medical University of Vienna, Vienna, Austria
*Purpose: The importance of bone marrow resident plasma cells for long-lasting humoral immunity has been highlighted in several models for vaccination and infectious diseases. To…2021 American Transplant Congress
Transgenic Beta-cell Cxcl12 Expression and Stem Cell Mobilization Synergize to Suppress Type 1 Diabetes
*Purpose: Hematopoietic stem and progenitor cells (HSPCs) and regulatory T cells (Tregs) highly express CXCR4, the receptor for the CXCL12 chemokine. This keeps them predominantly…2021 American Transplant Congress
Selective Bcl-2 Inhibition to Deplete Hematopoietic Stem Cells in Bone Marrow Niche: A Novel Approach to Promote Mixed Chimerism
*Purpose: A recent murine study has shown that successful mixed chimerism is achievable without myelosuppressive treatments by Bcl-2 inhibition. However, the mechanism by which selective…2021 American Transplant Congress
Regulatory Macrophage Induced by Il-33 Promoted Immune Tolerance of Kidney Transplantation Through Siglec-10
Urology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
*Purpose: Acute and chronic rejection are key problems in renal transplantation. It is ideal to induce immune tolerance to suppress rejection while regulatory macrophages (Mregs)…2020 American Transplant Congress
Unique Podocyte and Multiplex Single-Cell RNASeq Analysis of Paired Sera and Bone Marrow Samples Suggest a Role for Perturbed Hematopoeitic Progenitors in FSGS Recurrence
University of California San Francisco, San Francisco, CA
*Purpose: Focal Segmental Glomerulosclerosis (FSGS) is the most common cause of nephrotic syndrome, can lead to ESRD, and carries a high burden of recurrence risk…2020 American Transplant Congress
Mechanisms by Which Donor Bone-Marrow CXCR4+ Foxp3+ Tregs Promote Long-Term Survival of Murine Limb Allografts
*Purpose: Vascularized composite allotransplantation (VCA) allows tissue replacement after devastating loss but is currently limited in application and may be more widely performed if maintenance…2020 American Transplant Congress
Dissecting Humoral Alloimmune Sensitization: A Dynamic Interplay of Different Cellular Compartments
*Purpose: Humoral alloimmune memory is the main barrier for successful transplantation and is generated by a complex and compartmentalized B-cell immune response. Understanding the role…
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