Articles tagged "Antibodies"

2020 American Transplant Congress
Safety and Immunogenicity of Adjuvanted Recombinant Subunit Herpes Zoster Vaccine in Lung Transplant Recipients
C. Hirzel¹, V. H. Ferreira¹, A. G. L’Huillier¹, T. Ku¹, M. Ierullo¹, C. Miao², D. S. Schmid², J. Tikkanen¹, L. G. Singer¹, A. Humar¹, D. Kumar¹
¹University Health Network, Toronto, ON, Canada, ²CDC, Atlanta, GA
*Purpose: The new adjuvanted subunit recombinant herpes zoster vaccine (RZV; Shingrix™) may have potential utility in transplant patients for the prevention of shingles, but there…
2020 American Transplant Congress
Preoperative Antibody Titer Against BK Polyomavirus May Predict BK Polyomavirus-Associated Nephropathy after Kidney Transplantation
M. Saito, S. Satoh, K. Numakura, R. Sagehashi, R. Yamamoto, A. Koizumi, T. Nara, S. Narita, T. Habuchi
Urology, Akita University Hospital, Akita, Japan
*Purpose: BK polyomavirus (BKPyV) is a causative agent of BKPyV-associated nephropathy (BKPyV-AN) and hemorrhagic cystitis, which occurs subsequent to BKPyV reactivation. Intravenous immunoglobulin is presumed…
2020 American Transplant Congress
The Role of Complement-Split Products as Biomarkers for Acute Antibody-Mediated Rejection of Kidney Allografts
B. G. Abu Jawdeh¹, B. Campos-Naciff¹, K. Harrison¹, K. Meganathan¹, A. Kumar², M. Anand¹, A. Govil¹, E. S. Woodle¹, B. P. Dixon³
¹University of Cincinnati, Cincinnati, OH, ²All India Institute of Medical Sciences, New Delhi, India, ³University of Colorado, Aurora, CO
*Purpose: Acute antibody-mediated rejection (AMR) is mediated by the activation of the classical complement system in addition to non-complement dependent inflammatory pathways. Complement fixation by…
2020 American Transplant Congress
Sex and ABO Antibodies: High-Level Natural ABO Antibody Production and IgM to IgG Class Switch in Female vs. Male Mice
B. Anjum, B. Motyka, I. Adam, J. Fersovich, M. Sulzer, J. Pearcey, K. Tao, L. J. West
Dept Pediatrics, Alberta Transplant Institute, University of Alberta, Edmonton, AB, Canada
*Purpose: ABO histo-blood group incompatibility is a barrier in solid organ transplant due to the presence of ‘natural’ preformed ABO antibodies. However, ABO-incompatible (ABOi) heart…
2020 American Transplant Congress
Do the Characteristics of Donor Specific Antibody Truly Predict Severity of Cardiac Allograft Vasculopathy Late after Transplantation?
K. Nishihara, J. Patel, M. Kittleson, D. Chang, E. Kransdorf, D. Geft, A. Shen, L. Czer, F. Esmailian, J. A. Kobashigawa
Cedars-Sinai Smidt Heart Institute, Los Angeles, CA
*Purpose: The development of donor specific antibody (DSA) has been correlated to the development of cardiac allograft vasculopathy (CAV) after heart transplantation. However, it has…
2020 American Transplant Congress
Anti-Thymocyte Globulin Promotes Tfh Cells Differentiation and Alloantibody Production
R. Benedetti Gassen, B. Aoyama, M. Lima, T. Borges, M. Pérez-Sáez, N. Murakami, P. Sage, J. Pascual, L. V. Riella
Transplantation Research Center, Brigham and Women's Hospital, Boston, MA
*Purpose: Antibody-mediated rejection is a major cause of long-term graft loss. T follicular helper (Tfh) cell is CD4+ T cell subset that is specialized in…
2020 American Transplant Congress
Impact of Desensitization Strategies with Proteosome Inhibition and Costimulation Blockade on Xenoreactive Humoral Responses
B. P. Lovasik¹, A. J. Matar¹, D. A. Faber¹, D. V. Mathews¹, C. P. Breeden¹, S. C. Kim¹, A. J. Tector², A. B. Adams¹
¹Emory University School of Medicine, Atlanta, GA, ²University of Miami, Miami, FL
*Purpose: “Delayed” antibody-mediated xenograft rejection is the one of the most important obstacles to clinical application of pig organ xenografts. The aim of this study…
2020 American Transplant Congress
Simultaneously Detection of ddcfDNA in Plasma and Urine Assist to Determine the Type of Rejection in Renal Transplant Patients
D. Cheng¹, F. Liu², H. Liu², T. Jiang², Y. Zhou³, L. Shu², X. Li¹, K. Xie¹, X. Ni¹, J. Chen¹, J. Ge², Z. Liu¹, H. Shi³
¹Jinling Hospital Nanjing University, Nanjing, China, ²AlloDx, Shanghai; Suzhou, China, ³Jiangsu University, Zhenjiang, China
*Purpose: The correct diagnosis and treatment of acute rejection (ABMR and TCMR) are the key to the long-term survival after renal transplantation. Renal biopsy is…
2020 American Transplant Congress
Natural Antibodies and Left Ventricular Assist Device Complications
S. B. See¹, D. Onat², E. Hittesdorf³, F. McDougan⁴, M. Yuzefpolskaya², V. K. Topkara², Y. Naka⁵, H. Takayama⁵, K. Takeda⁵, G. Milligan⁶, D. Wencker⁶, S. Hall⁶, M. Askar⁶, P. Kimball⁴, G. Wagener³, P. C. Colombo², E. Zorn¹
¹Columbia Center for Translational Immunology, Columbia University Irving Medical Center, New York, NY, ²Department of Medicine, Columbia University Irving Medical Center, New York, NY, ³Department of Anesthesiology, Columbia University Irving Medical Center, New York, NY, ⁴Department of Transplant Surgery, Virginia Commonwealth University, Richmond, VA, ⁵Department of Surgery, Columbia University Irving Medical Center, New York, NY, ⁶Center for Advanced Heart and Lung Disease, Baylor University Medical Center, Dallas, TX
*Purpose: Left ventricular assist device (LVAD) implantation is followed by a sharp increase in serum levels of IgG natural antibodies (Nabs) recognizing oxidation-specific epitopes (OSE)…
2020 American Transplant Congress
Multiplicity of Non-HLA Targets for Antibodies Developed in Association with Ventricular Assist Device Implantation
M. Askar, D. Bhakta, H. Zafar, A. Alam, L. Pittmon, S. Kang, L. Klingman, J. Felius, S. M. Joseph, D. Wencker, D. M. Meyer, S. A. Hall
Baylor University Medical Center and Baylor Scott & White Research Institute, Dallas, TX
*Purpose: Multiple non-HLA antibodies have been implicated in poor outcomes after heart transplantation. Development of HLA and Non-HLA antibodies have been reported in association with…