Articles tagged "Alloantibodies"

2020 American Transplant Congress
Are HLA-DQ De Novo Donor-Specific Antibodies a Risk Factor for Acute Humoral Rejection?
R. Hod Dvorai¹, C. A. Hubbell¹, M. R. Laftavi², R. Shahbazov², B. Gallay³, O. G. Pankewycz³
¹Pathology, SUNY Upstate Medical University, Syracuse, NY, ²Surgery, SUNY Upstate Medical University, Syracuse, NY, ³Medicine, SUNY Upstate Medical University, Syracuse, NY
*Purpose: To identify HLA-DQ de novo donor-specific antibodies (dnDSA) characteristics associated with acute humoral rejection (ABMR) and response to treatment.*Methods: We performed a retrospective analysis…
2020 American Transplant Congress
The Effect of Desensitization Therapy on Sex Disparity in Living Kidney Transplantation
Y. Kakuta¹, M. Okumi¹, T. Kanzawa¹, K. Unagami², H. Ishida², K. Tanabe¹
¹Urology, Tokyo Women's Medical University, Tokyo, Japan, ²Organ Transplant Medicine, Tokyo Women's Medical University, Tokyo, Japan
*Purpose: Sex- and gender-based disparities which have shown women to have lower access to kidney transplantation have been reported. In living kidney transplantation (LKT), pregnancy-related…
2020 American Transplant Congress
Incidence of Antibody Mediated Rejection in Living Kidney Transplant Recipients with Sensitizing History
Y. Kakuta¹, M. Okumi¹, T. Kanzawa¹, K. Unagami², H. Ishida², K. Tanabe¹
¹Urology, Tokyo Women's Medical University, Tokyo, Japan, ²Organ Transplant Regulation, Tokyo Women's Medical University, Tokyo, Japan
*Purpose: A donor-reactive alloimmune memory response can arise from prior exposure to foreign human leukocyte antigen by sensitization history in transplant recipients. Assessing risk levels…
2020 American Transplant Congress
Quantitative Analysis of Humoral Immunity by Flow-Cytometric Crossmatch Using Molecules of Equivalent Soluble Fluorochromosome (FCXM-MESF)
H. Ishida, M. Furusawa, T. Shimizu, M. Okumi, Y. Kakuta, K. Omoto, K. Tanabe
Tokyo Womens, Tokyo, Japan
*Purpose: In this study, we examined the quantitative significance of humoral immunity by flow-cytometric crossmatch using molecules of equivalent soluble fluorochromosome (FCXM-MESF) in recipients of…
2020 American Transplant Congress
Kidney Transplant Recipients with De Novo Donor Specific Antibody is Associated with Increased Risk of Developing BK Viremia
S. Kareem¹, L. Suresh², A. Gundroo¹, J. Von Viger¹, S. Chang¹
¹Internal Medicine, University of Buffalo, Buffalo, NY, ²Pathology, University of Buffalo, Buffalo, NY
*Purpose: Background: De novo donor specific anti-HLA antibodies (dnDSA) has profound effect on the renal graft long-term function and survival. Studies has shown identifications of…
2020 American Transplant Congress
Association between Education and Waitlist Mortality, Access to Transplant, and Post-Transplant Survival among Patients with Alcohol-Associated Liver Disease
A. T. Strauss, J. Motter, D. Segev, A. Massie, T. Purnell, J. Hamilton, A. Gurakar, A. Cameron, J. Garonzik-Wang
Johns Hopkins University, Baltimore, MD
*Purpose: Alcohol-associated liver disease (ALD) is the leading indication for liver transplant (LT) and these patients have been shown to have worse outcomes compared to…
2020 American Transplant Congress
Novel Treatment of Acute Antibody-Mediated Rejection in a Nonhuman Primate Model of Kidney Allotransplantation
R. Schmitz¹, Z. W. Fitch¹, A. Y. Choi¹, M. Manook¹, J. Yoon¹, J. D. Lambris², J. Kwun¹, S. J. Knechtle¹
¹Department of Surgery, Duke University Medical Center, Durham, NC, ²Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA
*Purpose: One third of sensitized, HLA-incompatible transplant recipients experience acute antibody mediated rejection (AMR) with limited treatment options. We tested a novel treatment strategy for…
2020 American Transplant Congress
Sensitization via Pregnancy Generates Alloantibody and Cross-Reactive Xeno-Antibody in a Non-Human Primate Model
J. Yoon, M. Manook, Z. Fitch, R. Schmitz, A. Choi, A. M. Jackson, S. Knechtle, J. Kwun
Surgery, Duke University, Durham, NC
*Purpose: Women are disproportionately represented among highly sensitized waitlist candidates and within HLA-incompatible transplantation programs. Due to difficulties obtaining compatible donors, sensitized patients are seen…
2020 American Transplant Congress
Antibody-Suppressor CD8⁺ T Cells Ameliorate Antibody-Mediated Rejection Following Kidney Transplant in Mice
J. M. Zimmerer¹, J. L. Han¹, Q. Zeng², B. A. Ringwald¹, C. Cassol¹, R. Warren¹, M. Abdel-Rasoul¹, C. K. Breuer², G. L. Bumgardner¹
¹Ohio State University, Columbus, OH, ²Nationwide Children's Hospital, Columbus, OH
*Purpose: We previously reported the novel alloantibody suppressor activity of alloprimed CXCR5+IFN-γ+CD8+ T cells following hepatocellular transplant in mice. We utilized a murine kidney transplant…
2020 American Transplant Congress
High Volume, Highly Efficient, Outcome- Centric KPD Program: A Single Center Experience with Direct Exchange Based Strategies
K. Al Meshari, D. Broering, I. Alahmadi, S. Raza, T. Ali, A. Alabbassi, H. Alahdal, F. Alzayer
King Faisal Specialist Hospital & Research Centre, Riyadh, Saudi Arabia
*Purpose: We report our three and a half year experience with direct exchange (loop) based strategy single center KPD program.*Methods: 1. Inclusion of HLA and…

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