Articles tagged "Antibodies"

2019 American Transplant Congress
Post-Transplant Anti- A Titer >1:128 in A2-Incompatible Kidney Recipients is Associated with Subclinical Antibody Mediated Rejection
V. Kumar, D. Williams, P. MacLennan, M. Mustian, B. Orandi, L. Williams, J. Locke
University of Alabama at Birmingham, Birmingham, AL
*Purpose: Decreased antigen expression among blood group A, subtype 2 (A2), donor kidneys allows these kidneys to be considered as universal donor kidneys and under…
2019 American Transplant Congress
Successful Kidney Transplantation of Highly Sensitized Candidates across Positive Cross Match and Strong Donor-Specific HLA-DP Antibodies without Desensitization
R. Rajalingam¹, D. D. Gae², Z. G. Laszik³, M. M. Tavakol⁴, A. B. Webber⁵, K. Cunniffe², G. da Gente², R. Hirose⁴, G. Roll⁴, C. E. Freise⁴, J. P. Roberts⁴
¹Immunogenetics and Transplantation Laboratory (ITL), San Francisco, CA, ²Department of Surgery, Immunogenetics and Transplantation Laboratory (ITL), San Francisco, CA, ³Department of Pathology, University of California San Francisco, San Francisco, CA, ⁴Department of Surgery, University of California San Francisco, San Francisco, CA, ⁵Department of Medicine, University of California San Francisco, San Francisco, CA
*Purpose: Over 50% of kidney transplant (Ktx) candidates with 100% CPRA display HLA-DP antibodies, which impair the chances of finding a compatible deceased donor (DD)…
2019 American Transplant Congress
Non-HLA Antibodies against Structural and Non-Structural Target in C4d Negative Antibody Mediated Rejections after Renal Transplantation
S. Kanangat¹, I. Kurbegovic-Skaljic², D. Cimbaluk², M. Oppermann², S. Jensik³, E. Hollinger³, O. Olaitan⁴, R. DeCresce²
¹Tumor Immunology, NIH/NCI Bethesda MD,USA, Bethesda, MD, ²Pathology, Rush University Medical Center, Chicago, IL, ³Surgery, Rush University Medical Center, Chicago, IL, ⁴Tumor Immunology, Rush University Medical Center, Chicago, IL
*Purpose: According to the latest Banff’s criteria approved in 2003, antibody mediated rejections following renal transplantation are divided into 2 types namely C4d + and…
2019 American Transplant Congress
Reduction of Circulating DSA: Does It Affect Histology?
M. Gupta¹, E. Edusei¹, S. Tsai², M. Magruder², J. Lee¹, J. Lee¹, C. Hartono¹, T. Muthukumar¹, M. Everly³, D. Dadhania¹
¹Nephrology, New York Presbyterian Weill Cornell, New York, NY, ²New York Presbyterian Weill Cornell, New York, NY, ³Terasaki Research Institute, Los Angeles, CA
*Purpose: De novo donor specific antibodies (dnDSA) are reported in 13-30% of kidney transplant recipients. dnDSA has been associated with antibody mediated rejection (AMR) and…
2019 American Transplant Congress
Daratumumab for Treatment of Antibody-Mediated Rejection in a Kidney Transplant Recipient
S. C. Jordan¹, R. Vescio², M. Toyoda³, N. Ammerman¹, E. Huang¹, A. Peng¹, S. Sethi¹, R. Najjar¹, K. Lim¹, A. Vo¹
¹Comprehensive Transplant Center, Cedars-Sinai Medical Ctr, Los Angeles, CA, ²Cedars-Sinai Medical Ctr, Los Angeles, CA, ³Transplant Immunology Lab, Cedars-Sinai Medical Ctr, Los Angeles, CA
*Purpose: Antibody-Mediated Rejection (ABMR) is a severe form of rejection mediated by B-cells, plasma cells and antibodies. The consequences to the patients with ABMR are…
2019 American Transplant Congress
Solving Target Recognition and Activation Mediated by Non-HLA Agonistic Antibodies Targeting ETAR
A. Philippe¹, R. Catar¹, P. Scheerer², M. Szczepek², D. Dragun¹
¹Nephrology and Medical Intensive Care, Charité Universitätsmedizin Berlin, Berlin, Germany, ²Institute of Medical Physics and Biophysics, Charité Universitätsmedizin Berlin, Berlin, Germany
*Purpose: Endothelin-1 type A receptor (ETAR) exhibits multiligand binding abilities and may signal upon natural ligand Endothelin-1 (ET-1) and non-HLA ETAR-agonistic IgG (ETAR-IgG)-mediated stimulation similar…
2019 American Transplant Congress
Development of Non-Human Leukocyte Antigen Antibodies in Cardiac Antibody-Mediated Rejection
S. B. See¹, B. S. Mantell², K. J. Clerkin³, B. Ray⁴, E. R. Vasilescu⁵, C. Marboe⁵, Y. Naka⁶, S. Restaino¹, P. C. Colombo³, L. J. Addonizio², M. A. Farr³, E. Zorn¹
¹Columbia Center for Translational Immunology, Columbia University, New York, NY, ²Department of Pediatrics, Columbia University, New York, NY, ³Division of Cardiology, Columbia University, New York, NY, ⁴Immucor, Georgia, GA, ⁵Department of Pathology and Cell Biology, Columbia University, New York, NY, ⁶Department of Surgery, Columbia University, New York, NY
*Purpose: Antibody-mediated rejection (AMR), mainly driven by the development of donor-specific antibodies (DSA) directed against mismatched donor class I and class II HLA, is a…
2019 American Transplant Congress
Desensitization Using Only Polyvalent Immunoglobulins (IVIG) for Kidney Transplantation with Living Donors (LD)
L. R. Ulisses, J. O. Paixão, P. S. Souza, G. Bezerra, H. Rodrigues, N. Panajatopoulos, F. J. De Paula, E. David-Neto, M. C. R Castro
Renal Transplant Service, Renal Transplant Service, Hospital das Clinicas and Laboratory of Immunology-LIM-19, Medical School of te University of São Paulo, São Paulo, Brazil, São Paulo, Brazil
*Purpose: HLA sensitization is a barrier for kidney transplantation. Sensitized patients stay longer on the waiting list and have higher mortality rate and complications while…
2019 American Transplant Congress
Effect of Race and Antibody-Mediated Injury on Outcomes after Early Subclinical Inflammation
E. P. Kasik, M. E. Seifert, M. Bernard, G. Agarwal, H. Fatima, R. Gaston, B. Julian, C. Kew, V. Kumar, S. Mehta, S. Ong, F. Rosenblum, G. Towns, R. B. Mannon
University of Alabama, Birmingham, AL
*Purpose: The impact of subclinical inflammation (SCI) on transplant outcomes has been variable, based on previous studies in homogeneous cohorts with relatively low immunologic risk.…
2019 American Transplant Congress
Evaluation of Influenza Virus Antibody Response in Naturally Infected and Vaccinated Transplant Recipients by Protein Microarray
C. Hirzel, A. Chruscinski, V. H. Ferreira, A. G. L'Huillier, A. Humar, D. Kumar
University Health Network, Toronto, ON, Canada
*Purpose: Influenza A virus (IAV) infection is known to be an important cause of morbidity in solid organ transplant (SOT) recipients. The objective of our…