2019 American Transplant Congress
Evaluating Allo-Specific CD57+ T Cells during Memory and Proliferative Responses
Department of Surgery, Duke University, Durham, NC
*Purpose: We have previously identified subsets of CD57+ T cells that are resistant to B7 costimulation blockade (CoB) in kidney transplant recipients. The objective of…2019 American Transplant Congress
Can Imputation of HLA Allele Level Typing Be Used Clinically in a Multiethnic Population?
*Purpose: Assignment of eplets in transplantation for the purpose of matching or risk stratification requires high-resolution HLA typing, which is not readily available. Computer algorithms…2019 American Transplant Congress
High-Throughput Immune Synapse Detection as a Tool for the Measurement of T Cell Alloreactivity
*Purpose: Measurement of T cell alloreactivity may facilitate a more accurate prediction of graft outcome and the selection of patients for immunosuppression optimization. However, current…2019 American Transplant Congress
Humoral Immune Responses to Kidney Associated Non-HLA Antigens is Not Associated with Progression to Chronic Immune Injury in Kidney Transplant Recipients
1Mayo Clinic, Phoenix, AZ, 2St. Joseph’s Hospital, Phoenix, AZ
*Purpose: Development of donor specific anti-HLA (DSA) although is a known risk factor for Chronic immune injury (CII), it is undetectable in many patients with…2019 American Transplant Congress
IL-10+ Plasma Cells Are Not Required for Breg Activity and Are Counterbalanced by Novel Pro-Inflammatory Plasma Cells
University of Pittsburgh, Pittsburgh, PA
*Purpose: Classically, B cells differentiate into Ab-secreting plasma cells (PCs; B220lowCD138hiBlimp1+Ig+) providing humoral immunity. B cells can also inhibit or promote immune responses through the…2019 American Transplant Congress
Tolerogenic Nanoparticles Targeting the Aryl Hydrocarbon Receptor
*Purpose: The aryl hydrocarbon receptor (AHR) has been shown to have a central role in the ability of dendritic cells (DCs) to direct differentiation of…2019 American Transplant Congress
Towards Human Leukocyte Antigen Immunogenicity Assessment at the Individual Patient Level
*Purpose: Allorecognition of donor HLA and induction of humoral alloimmunity is a major cause of graft loss after solid-organ transplantation. Current approaches to study molecular…2019 American Transplant Congress
Myeloid AXL Promotes Cardiac Allograft Vasculopathy
*Purpose: Cardiac Allograft Vasculopathy (CAV) is a significant contributor to long term transplant rejection, despite advances in immunotherapy. Reactivity to alloantigen presentation may occur by…2019 American Transplant Congress
Heart En Bloc Thymus Cotransplantation in NHPs
*Purpose: Tolerance of isolated cardiac allografts has never been achieved in NHPs. We investigated whether a cotransplanted, vascularized, donor thymus could induce tolerance of a…2019 American Transplant Congress
Murine Cmv Infection Impairs Transplantation Tolerance: A Critical Role Of Intragraft Anergic Cd4 T Cells
1Medicine, Duke University, Durham, NC, 2Pathology, Northwestern University, Chicago, IL
*Purpose: It is well known that certain infections can impair the stability of transplantation tolerance in recipients who had prolonged functional grafts, resulting in graft-loss.…
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