2019 American Transplant Congress
Mismatched Epitope and De Novo DSA Development: An Analysis of the Benefit and Benefit-EXT Renal Transplant Cohorts
*Purpose: De novo donor-specific HLA antibodies (dnDSA) target epitopes rather than whole antigens, and their development is associated with the mismatched HLA antibody epitope load…2019 American Transplant Congress
Computational Assessment of T-cell and B-cell Allorecognition to Predict Donor HLA Immunogenicity
*Purpose: Donor-specific alloantibody (DSA) development after solid-organ transplantation is a major cause of graft loss, and limits future transplant options. We have previously shown that…2019 American Transplant Congress
Physiochemical Hla Properties Identify Low Immunogenic Donor/recipient Pairs Predicting Long-term Kidney Graft Survivals
1Gift of Life Michigan, Ann Arbor, MI, 2University of Toledo, Toledo, OH
*Purpose: Although it is well-recognized that HLA matching improves the long-term kidney graft survival, less than 10% of transplants are currently HLA matched. We measured…2019 American Transplant Congress
A Comparison of Cell-Mediated Immune Responses among Organ Transplant Recipients Receiving High-Dose vs Standard-Dose Influenza Vaccine
University Health Network, Toronto, ON, Canada
*Purpose: The High-dose (HD) influenza vaccine has been shown to induce better humoral immunity than the standard-dose (SD) vaccine in solid organ transplant (SOT) patients.…2019 American Transplant Congress
Utilizing Ides To Eliminate Residual Antibodies Targeting Xenografts
Massachusetts General Hospital, Boston, MA
*Purpose: A significant hinderance to the successful use of xenotransplantation has been the presence of preformed antibodies against the donor antigens, known as xenoantigens. Using…2019 American Transplant Congress
Analysis of Immune Cell Proportions in Kidney Transplant Biopsies of Acute Cellular Rejection and Antibody Mediated Rejection Compared with Non-Rejecters
*Purpose: Understanding the immune cell types that are associated with acute rejection (AR) in kidney transplant biopsies may lead to new therapeutic targets for AR.…2019 American Transplant Congress
In Vitro Model to Study the Effect of Irradiation Preconditioning on Alloimmune Responses: Development of Potential Predictive Markers
Radiation Oncology, Dana-Farber Cancer Institute, Boston, MA
*Purpose: Pre-conditioning using total body irradiation prior to HSCT is a well-established regimen for patients with hematological malignancy. However, irradiation (IR) elicits not only immunosuppressive…2019 American Transplant Congress
Islet Stress Leads to Increased Release of Exosomes That Stimulate Immune Cell Response
*Purpose: Islet dysfunction and death caused by isolation procedures, immune attack and hypoxia significantly affect islet transplantation outcomes. Non-invasive monitoring of islet stress and damage…2019 American Transplant Congress
Characterization of Intra-Exosomal Cargoes of Circulating Donor Heart Specific Exosomes in Murine Heart Transplantation Model
Department of Surgery, University of Pennsylvania, Philadelphia, PA
*Purpose: Exosomes are tissue specific, bilayered, membrane-bound nanoparticles released by many types of cells into bodily fluids including blood and urine. Exosomes carry protein and…2019 American Transplant Congress
Impact Of Donor And Recipient Race On Kidney Transplant Survivals Evaluated By The Physiochemically-calculated Hla Immunogenicity
University of Toledo, Toledo, OH
*Purpose: Graft survivals are inferior for African American (AA) patients in comparison to Caucasian (CAU) patients in the United States. We examined how donor and…
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