2021 American Transplant Congress
Measuring the Impact of Targeting FcRn-Mediated IgG Recycling on Donor-Specific Alloantibodies in a Sensitized NHP Model
*Purpose: In transplantation, plasmapheresis and IVIg provide the mainstay of treatment directed at reducing or removing circulating donor specific antibody (DSA), yet both have limitations.…2021 American Transplant Congress
Acoustofluidic Device to Remove Donor Specific Antibody in a Sensitized Animal Model
*Purpose: Current therapies for antibody-mediated rejection are neither donor-specific nor are they tailored toward children, resulting in premature allograft loss and increased mortality. Apheresis involves…2021 American Transplant Congress
Low Immunogenic Donors Improve Kidney Transplant Survival in Sensitized Recipients
1University of Toledo, Toledo, OH, 2Bowling Green State University, Bowling Green, OH
*Purpose: Our previous results showed that low immunogenicity (IM) donors improved kidney allograft survival in non-sensitized recipients. Herein, we examined how the level of peak…2021 American Transplant Congress
Prospective Intensive Monitoring for Anamnestic DSA Responses Allows Near Elimination of Early Clinical AMR
1U Cincinnati, Cincinnati, OH, 2Christ Hospital, Cincinnati, OH
*Purpose: Anamnestic donor specific antibody (aDSA) responses can result in severe, graft threatening antibody-mediated rejection (AMR). We hypothesized that intensive DSA monitoring (IDM) for aDSA…2021 American Transplant Congress
Natural Sensitization by Pregnancy, Testing Desensitization Strategies in Female NHPs Across Repeat Mismatches
Duke Transplant Center, Duke University Medical Center, Durham, NC
*Purpose: Women are disproportionately represented in the highly sensitized patient cohort, and HLA-incompatible transplantation is undertaken predominantly in females. However, nonhuman primate (NHP) models to…2021 American Transplant Congress
Impact of Allosensitization on Xenotransplantation
*Purpose: Sensitization to human leukocyte antigens (HLA) due to prior exposure to foreign antigens through events such as blood transfusions, previous kidney transplant, or pregnancy…2021 American Transplant Congress
Successful Prophylaxis of Antibody-Mediated Rejection by Downregulation of C5 Expression via RNA Interference in a Rat Kidney Transplant Model
*Purpose: Antibody-mediated rejection (AMR) is a major contributor towards poor prognosis in kidney transplantation. Circulating donor-specific antibodies (DSAs) cause AMR with complement activation. This study…2021 American Transplant Congress
Quantifying Hidden Sensitization: HLA-reactive Memory B Cells in the Spleens of Sensitized Women
*Purpose: Measurement of circulating anti-HLA antibody (anti-HLA-Ab) in transplant candidates and recipients is required for successful organ transplantation. However, serum Ab measurement alone likely underestimates…2021 American Transplant Congress
Anti-HLA-DP Antibodies Positive – A Retrospective Review of Outcomes in Renal Transplantation- Single Centre Experience
*Purpose: Data on the role of HLA-DP antibodies on graft outcome is not precise. Studies suggested that the presence of donor-directed HLA-DP antibodies correlate with…2021 American Transplant Congress
Anti-pig IgE and IgA Antibodies in Sera of (i) Naïve Primates and (ii) Non-human Primates Sensitized to Pig Xenografts
University of Alabama at Birmingham, Birmingham, AL
*Purpose: Anti-pig IgM and IgG antibodies in primates play an important role in xenograft rejection. The possible roles of anti-pig IgE and IgA have not…
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