Articles tagged "Antibodies"

2019 American Transplant Congress
Consideration for Offering Hepatitis C Antibody Positive Donor Grafts to All Patients Listed for Transplant
L. Smith
Vanderbilt Transplant Center, Nashville, TN
*Purpose: Background: The field of organ transplantation continuously struggles with inadequate numbers of donor organs. Therefore, efforts remain focused on increasing organ utilization and expanding…
2019 American Transplant Congress
Difference in DSA Formation between Tacrolimus-XR and Tacrolimus-IR
J. Hagopian¹, C. Carthon¹, S. January¹, A. Gharabagi², R. Delos Santos³, T. Horwedel⁴
¹Barnes-Jewish Hospital, Saint Louis, MO, ²St. Louis College of Pharmacy, Saint Louis, MO, ³Washington University, Saint Louis, MO, ⁴Veloxis Pharmaceuticals, Inc., Cary, NC
*Purpose: Donor specific antibodies (DSA), whether pre-formed or developed de novo after kidney transplantation, have been associated with acute and chronic antibody mediated rejection, transplant…
2019 American Transplant Congress
Absence of Antibodies in Human Neonates and Infants to Gtko/cmahko/β4galnt2ko (Triple Gene Knockout) Pig Cells: Relevance to Cardiac Xenotransplantation for Complex Congenital Heart Disease
H. Hara¹, Q. Li¹, C. A. Banks¹, T. Yamamoto¹, D. Ayares², D. C. Cleveland¹, D. K. Cooper¹
¹Surgery, University of Alabama at Birmingham, Birmingham, AL, ²Revivicor Inc., Blacksburg, VA
*Purpose: Heart transplantation (Tx) in neonates is associated with the best results of any organ Tx, but the lack of deceased human donor hearts in…
2019 American Transplant Congress
Tolerance to ABO A-Antigen Following Treatment of Infant Mice with A-Expressing MHC-Identical Erythrocytes
B. Motyka¹, J. Fersovich¹, M. Sulzer¹, I. Adam¹, J. Pearcey¹, K. Tao¹, C. W. Cairo², P. J. Cowan³, L. J. West¹
¹Dept Pediatrics, Alberta Transplant Institute, Canadian Donation and Transplant Research Program, University of Alberta, Edmonton, AB, Canada, ²Department of Chemistry, University of Alberta, Edmonton, AB, Canada, ³Immunology Research Centre, St Vincent's Hospital, Melbourne, Australia
*Purpose: ABO-incompatible heart transplantation (ABOi HTx) is safe in young children and increases donor access. Post-ABOi HTx, B cell tolerance develops to donor ABO blood…
2019 American Transplant Congress
The Role of Neutrophil Extracellular Traps in Kidney Acute Antibody-Mediated Rejection
R. Villca-Gonzales¹, J. Torres-Ruiz², D. Gomez-Martin², L. Morales-Buenrostro¹, J. Alberu³
¹Nephrology, Instituto Nacional de Ciencias Medicas y Nutrición Salvador Zubiran, Mexico, Mexico, ²Immunology, Instituto Nacional de Ciencias Medicas y Nutrición Salvador Zubiran, Mexico, Mexico, ³Transplantation, Instituto Nacional de Ciencias Medicas y Nutrición Salvador Zubiran, Mexico, Mexico
*Purpose: Previously our group assessed the spontaneous and lipopolysaccharide-induced NETosis with confocal microscopy in kidney transplant recipients (KTR). We found an enhanced spontaneous NETosis regardless…
2019 American Transplant Congress
IgG Glycosylation Causes Podocyte Injury in Transplant Glomerulopathy through Calcium Calmodulin Kinase IV
R. Bhargava, K. Maeda, M. Pavlakis, G. Tsokos
Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
*Purpose: Transplant glomerulopathy(TG) is a major cause of late allograft loss. Increase in urine podocin/creatinine ratio in TG signifies acceleration of podocyte detachment from glomerular…
2019 American Transplant Congress
Use of Anti-Vimentin Antibodies as a Possible Marker for Graft Dysfunction Following Renal Transplant, a Prospective Study
E. Acosta¹, T. Divanyan¹, D. Patel¹, F. Jourd'heuil², D. Jourd'heuil², R. Lopez-Soler³
¹Albany Medical College, Albany, NY, ²Molecular and Cellular Physiology, Albany Medical College, Albany, NY, ³Surgery, Section of Transplantation, Albany Medical College, Albany, NY
*Purpose: In our previously published work, we showed that presence of anti-vimentin antibodies (AVA) after renal transplant correlated with early IFTA (Interstitial Fibrosis and Tubular…
2019 American Transplant Congress
Ex-vivo Xenoperfusion Of Wild Type And Galtko.hcd55 Pig Livers With Human Whole Blood
D. Detelich, C. Rickert, C. Eymard, C. Carroll, S. Kimura, H. Yeh, J. Markmann
Massachusetts General Hospital, Boston, MA
*Purpose: Pig-to-human liver xenotransplantation is not currently feasible due to rapid and profound thrombocytopenia, coagulopathy and hyperacute rejection. Successful development of genetically modified swine to…
2019 American Transplant Congress
Investigation and Regulation of Induced Anti-Pig Antibody Production in GTKO Pig-to-Cynomolgus Monkey Artery Retransplantation
S. Hurh¹, E. Lee¹, J. Jeong², G. Lee¹, S. Park¹, S. Ahn³, S. Min³, C. Ahn⁴
¹Biomedical Research Institute, Seoul National University Hospital, Seoul, Korea, Republic of, ²Department of Nephrology, Ajou University School of Medicine, Suwon, Korea, Republic of, ³Department of Surgery, Seoul National University Hospital, Seoul, Korea, Republic of, ⁴Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea, Republic of
*Purpose: Although the recent progress in xenograft survival in pig-to-nonhuman primate heart and kidney transplantation, little is known about retransplantation in pig antigen-sensitized recipient. This…
2019 American Transplant Congress
Prognostic Value of C3d Fixing Preformed Donor-Specific Antibody in Crossmatch-Positive Living Kidney Transplantation
K. Miyake¹, M. Okumi¹, Y. Kakuta¹, K. Unagami², M. Furusawa¹, H. Ishida², K. Tanabe¹
¹Urology, Tokyo Women's Medical University, Sinjuku, Japan, ²Organ Transplant Medicine, Tokyo Women's Medical University, Sinjuku, Japan
*Purpose: The occurrence of acute antibody-mediated rejection (ABMR) was higher in flow cytometric crossmatch (FCXM)-positive patients despite desensitization, and complement binding ability of donor specific…