Articles tagged "Histocompatibility"

2019 American Transplant Congress
Unifying Interpretation of Molecular HLA Typing Data between the Solid Organ Allocation Match Run and Virtual Crossmatch
N. Kaur¹, E. Kransdorf², M. Pando³, L. Gragert¹
¹Tulane University School of Medicine, New Orleans, LA, ²Cedars-Sinai Heart Institute, Los Angeles, CA, ³Baylor Scott & White, Temple, TX
*Purpose: Virtual crossmatch compares a transplant candidate’s HLA antibody assay results to the HLA typing of the donor before an organ offer is accepted. While…
2019 American Transplant Congress
Characterization of Circulating T-cell Specific Exosomes during Acute Rejection in Murine Heart Transplantation Model
R. Hu¹, V. Korutla¹, L. Korutla¹, S. Rostami¹, A. Habertheuer¹, S. Addya², J. Harmon¹, P. Zielinski¹, S. Reddy¹, A. Freas¹, C. Ram¹, A. Naji¹, P. Vallabhajosyula¹
¹Surgery, Hospital of the University of Pennsylvania, Philadelphia, PA, ²Thomas Jefferson University, Philadelphia, PA
*Purpose: Exosomes are nanoparticles (30-200nm) released by many cell types. They carry nucleic acid and proteins that may reflect conditional changes in their tissue counterparts.…
2019 American Transplant Congress
Donor-Recipient HLA Mismatched Peptides Calculated by PIRCHE Algorithm Associate with De Novo Donor-Specific Cellular and Humoral Alloreactivity and Predicts Inferior Graft Outcome
M. Meneghini¹, E. Crespo², M. Niemann³, A. Torija², E. Melilli⁴, M. Jarque², N. Montero⁴, J. Cruzado¹, J. Grinyo¹, O. Bestard¹
¹Kidney Transplantation Unit, Bellvitge University Hospital- IDIBELL, L'Hospitalet de Llobregat. Barcelona, Spain, ²Experimental Nephrology Laboratory, IDIBELL, L'Hospitalet de Llobregat. Barcelona, Spain, ³PIRCHE AG, Berlin, Germany, ⁴Kidney Transplantation Unit, Bellvitge University Hospital, L'Hospitalet de Llobregat. Barcelona, Spain
*Purpose: PIRCHE-II algorithm predicts mismatched donor-derived HLA peptides number presented on recipient HLAclass-II molecules to recipient T-cells (indirect pathway of allorecognition) and has been associated…
2019 American Transplant Congress
“Desens Light”: Single Center Experience Using Rituximab for High Immunologic Risk Kidney Transplant Recipients with Historic DSA
A. Casillas-Abundis, A. Tambur, A. Shetty, C. D'Agostino, J. R. Leventhal
Comprehensive Transplant Center, Northwestern Memorial Hospital, Chicago, IL
*Purpose: To evaluate the effectiveness of rituximab as induction therapy for pts undergoing kidney transplant (Tx) with historic DSA (hDSA) [Desens. Light].*Methods: 104 consecutive pts…
2019 American Transplant Congress
Patients with Immunological Diseases or on Peritoneal Dialysis Are Prone to False Positive Flow Cytometry Cross Match
Q. Xu¹, A. House², S. Leckie¹, L. Gunaratnam², P. Luke³, A. Jevnikar²
¹Pathology and Lab Medicine, London Health Science Center, London, ON, Canada, ²Medicine, Western University, London, ON, Canada, ³Surgery, Western University, London, ON, Canada
*Purpose: Despite implementation of virtual cross matches, flow cytometry cross matches (FCXM) are still used by many transplant centers to determine immunological risk prior to…
2019 American Transplant Congress
Correlation of Crossmatch Predictions with Actual Results and Clinical Outcomes
R. Forbes¹, B. Concepcion¹, S. Fossey²
¹Vanderbilt University Medical Center, Nashville, TN, ²Dialysis Clinic, Inc, Nashville, TN
*Purpose: Flow cytometry crossmatching (FXM) is recognized as a valuable tool to assess immunological risk prior to renal transplantation. The increased resolution in HLA typing…
2019 American Transplant Congress
Anti-Complement Component 5 Antibody Based Immunosuppression Induced Accommodation in ABO Incompatible Heart Transplantation
S. Park¹, S. Lee¹, J. Hwang¹, J. Ryu², T. Koo², C. Ahn³, J. Yang⁴
¹Biomedical Research Institute, Seoul National University Hospital, Seoul, Korea, Republic of, ²Transplantation Center, Seoul National University Hospital, Seoul, Korea, Republic of, ³Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea, Republic of, ⁴Department of Surgery, Seoul National University Hospital, Seoul, Korea, Republic of
*Purpose: Plasmapheresis in combination with immunoglobulin and rituximab is often used to induce accommodation in ABO-incompatible (ABOi) living-donor transplantation; however, this regimen cannot be applied…
2019 American Transplant Congress
Post-Transplant Cancer Following Living Donor HLA-Incompatible Kidney Transplantation
J. D. Motter¹, K. Jackson¹, S. Bae¹, X. Luo¹, J. Long¹, L. Kucirka¹, B. Orandi², A. Muzaale¹, J. Coresh¹, J. Garonzik-Wang¹, D. Segev¹, A. Massie¹
¹Johns Hopkins University, Baltimore, MD, ²University of Alabama, Birmingham, AL
*Purpose: Incompatible living donor kidney transplantation (ILDKT) recipients require increased immunosuppression compared to their compatible living donor kidney transplant (CLDKT) counterparts. This continued exposure to…
2019 American Transplant Congress
Towards Human Leukocyte Antigen Immunogenicity Assessment at the Individual Patient Level
H. Copley¹, H. McDowell², D. Pinelli², A. R. Tambur², V. Kosmoliaptsis¹
¹Department of Surgery, University of Cambridge, Cambridge, United Kingdom, ²Department of Surgery, Feinberg School of Medicine, Comprehensive Transplant Center, Northwestern University, Chicago, IL
*Purpose: Allorecognition of donor HLA and induction of humoral alloimmunity is a major cause of graft loss after solid-organ transplantation. Current approaches to study molecular…
2018 American Transplant Congress
Shortened Cold Ischemia Time and Reduced Incidence of Delayed Graft Function for Kidney Transplants through Enhanced Tissue Compatibility Testing
I. Helanterä,¹ T. Saarinen,² J. Peräsaari,² M. Lempinen,¹ J. Lauronen.²
¹Transplantation and Liver Surgery, Helsinki University Hospital, Helsinki, Finland; ²Histocompatibility Laboratory, Finnish Red Cross Blood Service, Helsinki, Finland.
A. HLA-typing and prospective leukocyte cross-matching needed for deceased donor kidney transplantation (kTX) may delay the onset of surgery. We compared cold ischemia times (CIT)…

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