2022 American Transplant Congress
De Novo Donor-Specific Antibody Development in Heart Transplant Recipients Following COVID-19 Vaccination
*Purpose: To determine the incidence of de novo donor-specific antibodies (DSAs) in recipients of orthotopic heart transplants (OHT) who received an mRNA vaccine against SARS-CoV-2.*Methods:…2022 American Transplant Congress
Desensitization Using Costimulatory Blockade and Bortezomib to Prevent DSA Formation and Rejection in Reconstructive Transplantation
Johns Hopkins University School of Medicine, Baltimore, MD
*Purpose: Sensitization in form of donor-specific antibodies (DSA) and subsequent antibody-mediated rejection constitute some of the greatest risk factors for allograft rejection and long-term graft…2022 American Transplant Congress
Lung Allograft-Resident Eosinophils Maintain Long-Term Graft Integrity by Restraining Humoral Alloimmunity
*Purpose: The finding that eosinophils facilitate immunosuppression-mediated acceptance of murine lung allograft by downregulating alloreactive CD8+ T cells has been recently described by our group.…2022 American Transplant Congress
Association of Pre-Transplant Anti A1 IgM Antibody Titers with Survival Outcomes in A2/A2B to B Kidney Transplantation
Vanderbilt University Medical Center, Nashville, TN
*Purpose: The new kidney allocation system implemented in 2014 has allowed blood type B recipients to receive kidneys from A2/A2B donors. Although many centers use…2022 American Transplant Congress
Longitudinal Characterization of Memory B Cells During Antibody Mediated Rejection Treated with Plasmapheresis, Bortezomib, and Belatacept in Heart Transplant Recipients
*Purpose: Donor specific antibodies (DSA) and antibody mediated rejection (AMR) continue to limit allograft longevity after heart transplant. Effective treatments are limited and often complicated…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
Anti-HLA Antibodies Do Not Increase in Kidney Transplant Recipients During COVID-19 Infection
*Purpose: To determine if HLA allo-antibody levels are affected by COVID-19 in renal transplanted patients and to compare the immunoglobulin class and subclass profiles as…2022 American Transplant Congress
Leveraging Car T Cells To Achieve Desensitization And Enable Transplantation
UNIVERSITY OF PENNSYLVANIA, PHILADELPHIA, PA
*Purpose: Pre-existing allo-antibodies (allo-Abs), that preclude transplant due to the risk of hyperacute rejection, lead to prolonged wait times and high mortality rates. Current desensitization…2022 American Transplant Congress
Time-Dependent Blood Eosinophilia Count Increases the Risk of Kidney Allograft Rejection
*Purpose: There is growing evidence that type 2 immune effectors (immunoglobulin E, eosinophils, mast cells/basophils) play a role in autoimmune disorders and solid organ transplantation.…2022 American Transplant Congress
Role for Club Cell Secretory Protein in Inducing Exosomes and Activation of Immune Responses in Lung Transplanted Recipients for Cystic Fibrosis
*Purpose: Our lab has demonstrated that lower club cell secretory protein leads to immune responses to donor HLA and lung self-antigens (Collagen V, Kα1 Tubulin),…
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