2018 American Transplant Congress
Preemptive B Cell Depletion Modulates Pathogenic Alloimmunity Associated with Selective Non-Activating CD28 Blockade
Purpose: Because anti-donor alloantibody (alloAb) elaboration is associated with chronic allograft rejection, peri-transplant B cell depletion is being explored to modulate pathogenic alloimmunity. Here, we…2018 American Transplant Congress
Carfilzomib and Belatacept Reduces DSA and Prolongs Survival in a Highly Sensitized Rhesus Model of Kidney Transplantation
Duke Transplant Center, Duke University Medical Center, Durham, NC.
Purpose:Sensitized kidney transplant (KT) recipients have poor access to transplantation and inferior outcomes when transplanted. Conventional methods of desensitization remove donor specific antibody (DSA) temporarily,…2018 American Transplant Congress
Presence of Donor Specific Antibodies is Associated with Accelerated Podocyte Detachment
University of Michigan, Ann Arbor; University of Kansas, Kansas City.
Introduction: Both indication and 10-yr surveillance biopsy data point to the important role of progressive glomerular disease in intermediate and long-term allograft outcomes. As all…2018 American Transplant Congress
A Novel Endothelial Cell Based Complement Dependent Cytotoxicity Test in Kidney Transplantation
Introduction:Relevant alloantibodies in kidney transplantation comprise anti-HLA antibodies, blood group antibodies (ABO incompatible) and anti-endothelial cell antibodies (AECA) and can initiate antibody-mediated rejection (ABMR). ABMR…2018 American Transplant Congress
Long Term Culture of Functional Bone Marrow-Derived Human Plasma Cells
Introduction Antibody-secreting plasma cells (PCs) are critically important for host defense, but also can cause antibody-mediated allograft rejection. The ability to study these cells is…2018 American Transplant Congress
Designing Novel Selective Immunoproteasome Inhibitors Reveals a Critical Role of the Immunoproteasome in Protecting Antibody Secreting B Cells from Apoptosis
Constitutive proteasomes (c-20S) are ubiquitously-expressed cellular proteases that degrade polyubiquitinated proteins and regulate cell functions. Its inhibitor, bortezomib, is a plasma cell-targeted therapy used in…2018 American Transplant Congress
All DQ DSA May Not Be Equal: Comparing Outcomes between De Novo DQ DSA Specificities
It is not known if development of de novo DSA (dnDSA) to different HLA-DQ mismatches (serological) are associated with equal risk to a patient's allograft…2018 American Transplant Congress
Involvement of PD-L1 Upregulation in Anti-A/B Antibody-Induced Graft Accommodation: Reduction of CD4 T Cell Allo-Response against Graft HLA Class II DR
[Background] Antibodies against transplanted organs cause complement-independent graft injury, but there remain many unknown aspects of its mechanism, in particular its effect on allo-response to…2018 American Transplant Congress
BLyS-/- Rats to Prevent Alloantibody Production
1Surgery, University of Wisconsin, Madison, WI; 2Medicine, University of Wisconsin, Madison, WI.
Introduction: Antibody mediated rejection (AMR) is a major cause of kidney allograft failure. APRIL (A Proliferation Inducing Ligand) and BLyS (B Lymphocyte Stimulator) are two…2018 American Transplant Congress
Approaches to Prevention of Antibody Rebound after HLA Sensitization in a Mouse Model
Comprehensive Transplant Center, Cedars-Sinai Medical Center, Los Angeles, CA.
Purpose: Control of donor specific antibodies (DSA) is critical for prevention of antibody mediated rejection (ABMR). Removal of DSAs with PLEX often results in significant…
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