Articles tagged "HLA antibodies"

2021 American Transplant Congress
The Impact of Maintenance Immunosuppression Withdrawal on Sensitization Status After Renal Graft Failure
R. Hod Dvorai, A. Almonte, C. Hubbell, M. Laftavi, R. Shahbazov, R. Saidi, O. Pankewycz, J. Leggat, M. Hanlon, B. Gallay
SUNY Upstate Medical University, Syracuse, NY
*Purpose: Maintaining immunosuppression (IS) following failed renal transplant may lead to increased risk for infections and malignancies; on the other hand, withdrawal can lead to…
2021 American Transplant Congress
Guiding Therapeutic Plasma Exchange for Amr Treatment in Lung Transplant Recipients Using Serial Dilution in Single Antigen Bead Assay
O. A. Timofeeva¹, J. Choe², M. Alsammak², E. J. Yoon², S. Geier², K. Carney², J. Au², A. Diamond², J. A. Galli², K. Shenoy², A. Mamary², S. Seghal², P. Mullhal², Y. Toyoda², N. Shigemura², F. Cordova², G. Criner², J. Brown²
¹MedStar Georgetown University Hospital, Washington, DC, ²Temple University Hospital, Philadelphia, PA
*Purpose: Development of donor‐specific antibodies (DSA) is associated with poor outcomes in lung transplantation. Patients who are presented with at least probable AMR require treatment;…
2021 American Transplant Congress
Outcomes of HLA Antibody Surveillance Protocol in Heart Transplant Patients – A Single-Center Retrospective Analysis
S. S. Patlolla, V. Bhattad, S. McKean, M. Askar, S. Hall
Baylor University Medical Center, Dallas, TX
*Purpose: Post-transplant care is multifaceted with protocols to provide oversight and maintain the standard of care. While institutional protocols for post-transplant HLA antibody surveillance after…
2021 American Transplant Congress
Association Between HLA Class II and TLR4 Regulates HLA-II Stimulated P-selectin Expression and Monocyte Capture to Endothelial Cells
Y. Jin, J. Nevarez-Mejia, E. F. Reed
Pathology and Laboratory Medicine, University of California Los Angeles, Los Angeles, CA
*Purpose: Antibody-mediated rejection (AMR) is a major obstacle for long-term allograft survival. Donor specific HLA antibodies (DSA) contribute to the process of AMR by binding…
2021 American Transplant Congress
Calcineurin Inhibitor Dose and Selection, Not Antiproliferatives or Steroids, Influence Development of DSA One Year Post-kidney Transplant
M. Henderson¹, G. Morris², L. Awdishu¹, K. Fabbri¹, M. Shah³, A. Khan³, J. Kerr¹
¹Pharmacy, University of California San Diego Health, San Diego, CA, ²Pathology, University of California San Diego Health, San Diego, CA, ³Nephrology, University of California San Diego Health, San Diego, CA
*Purpose: Allograft rejection is a serious complication in kidney transplantation (KT). Despite advances in immunosuppression, acute rejection remains a concern in the first year of…
2021 American Transplant Congress
Are All DSA’s the Same? Are We Ready for Precision Medicine in Pediatric LT?
S. E. Shin¹, M. Lee¹, N. Yazigi², K. Khan², S. Kaufman², J. Ahn³, O. Timofeeva⁴, U. Ekong²
¹Georgetown University School of Medicine, Washington, DC, ²Medstar Georgetown Transplant Institute, Medstar Georgetown University Hospital, Washington, DC, ³Biostatistics, Bioinformatics, & Biomathematics, Georgetown University, Washington, DC, ⁴Histocompatibility Laboratory, Dept. of Pathology & Laboratory Medicine, Georgetown University, Washington, DC
*Purpose: Donor-specific antibodies (DSA) play an uncertain role in rejection after liver transplantation (LT). We hypothesized that evaluation of epitope differences in HLA-DR/DQ mismatching can…
2021 American Transplant Congress
Sharp Anti-HLA Antibody Development Due to Concomitant Graft Nephrectomy and Immunosuppression Withdrawal After Early Graft Loss
R. Valero¹, A. Aguilera¹, E. Rodrigo¹, D. San Segundo², M. Lopez-Hoyos², J. Ruiz¹
¹Nefrología, Hospital Universitario Marqués de Valdecilla, Santander, Spain, ²Inmunología, Hospital Universitario Marqués de Valdecilla, Santander, Spain
*Purpose: The number of patients awaiting for retransplantation has been progressively increasing. The presence of anti-HLA antibodies can significantly lengthen the waiting time, limiting the…
2021 American Transplant Congress
Investigating the HLA Alloimmune Background of the Histological Changes Suggestive of Antibody-mediated Injury in the Absence of Donor-specific Anti-HLA Antibodies
A. Senev, M. Naesens
Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
*Purpose: The histology of antibody-mediated rejection is observed frequently after kidney transplantation, but a significant percentage of the patients do not have detectable donor-specific HLA…
2021 American Transplant Congress
Impact of Rituximab Induction Therapy on Donor-specific Anti-HLA Antibodies in Abo-compatible Kidney Transplant Recipients
T. Yagisawa¹, T. Kanzawa¹, K. Unagami², M. Furusawa¹, M. Inui¹, H. Ishida², K. Tanabe¹
¹Department of Urology, Tokyo Women's Medical University, Tokyo, Japan, ²Department of Organ Transplant Medicine, Tokyo Women's Medical University, Tokyo, Japan
*Purpose: Development of de novo donor-specific anti-HLA antibodies (dnDSA) after kidney transplantation remains strongly associated with antibody-mediated rejection (AMR), which leads to poor graft outcome.…
2020 American Transplant Congress
Molecular Features of HLA Mismatches as Predictors of De Novo DSA Development: A Single Center Experience
V. Jucaud¹, L. Rebellato², K. Briley², C. Haisch², S. Kendrick³, H. Jones³, K. Mclawhorn³, D. Leeser², M. Everly¹
¹Terasaki Research Institute, Los Angeles, CA, ²East Carolina University, Greenville, NC, ³Eastern Nephrology Associates, Greenville, NC
*Purpose: Several molecular features (MoFs) of HLA mismatches (MMs) are currently used to predict the development of de novo donor-specific anti-HLA antibodies (dnDSA). The purpose…

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