Am J Transplant, Volume 21, Suppl 3 Archives - Page 4 of 139 - ATC Abstracts

2021 American Transplant Congress
Predicted Heart Mass Difference as a Risk Factor for Severe Primary Graft Dysfunction in the Contemporary Era of Heart Transplantation: A Report from the International Consortium on Primary Graft Dysfunction
F. Foroutan¹, L. K. Truby², Y. Moayedi¹, J. Han³, J. Guzman⁴, M. Farrero⁴, E. Baughan⁵, M. Farr⁵, H. Zafar⁶, J. Felius⁶, J. van Zyl⁷, D. Law⁸, S. Chih⁸, P. Angleitner⁹, M. Sabatino¹⁰, A. DeVore², R. J. Miller¹¹, L. Potena¹⁰, A. Zuckermann⁹, K. K. Khush³, S. A. Hall⁶, H. J. Ross¹
¹Ted Rogers Centre for Heart Research, Toronto, ON, Canada, ²Duke University School of Medicine, Durham, NC, ³Stanford University, Stanford, CA, ⁴Clinic Barcelona Hospital Universitari, Barcelona, Spain, ⁵Columbia University Medical Center, New York, NY, ⁶Baylor University Medical Center, Dallas, TX, ⁷Dallas University Medical Center, Dallas, TX, ⁸University of Ottawa Heart Institute, Ottawa, ON, Canada, ⁹Medical University of Vienna, Vienna, Austria, ¹⁰Bologna University Hospital, Bologna, Italy, ¹¹University of Calgary, Calgary, AB, Canada
*Purpose: Primary Graft Dysfunction (PGD) increases early mortality after heart transplant (HT). Predicted heart mass (PHM) difference may be a risk factor for PGD. Lack…
2021 American Transplant Congress
The Intersection of Cost, Quality, and Volume in Liver Transplant
D. Axelrod¹, R. Balakrishnan¹, A. Harris², S. Hohmann², J. Snyder³, B. Kasiske³, M. Schnitzler⁴, K. Lentine⁴
¹Univ of Iowa, Iowa City, IA, ²Vizient Inc., Irving, TX, ³SRTR, Minneapolis, MN, ⁴Saint Louis Univ, Saint Louis, MO
*Purpose: As a consequence of changing allocation practices and the ongoing shortage of high-quality organs, the cost of liver transplant (LT) continues to increase throughout…
2021 American Transplant Congress
Aligning Pediatric Waiting List and Post-Transplant Outcomes with the Adult Lung Allocation Score
M. Skeans¹, A. Wey¹, E. Lease², C. Lehr³, J. Alcorn⁴, R. Goff⁴, D. Stewart⁴, M. Valapour³
¹SRTR, Minneapolis, MN, ²Univ of Washington, Seattle, WA, ³Cleveland Clinic, Cleveland, OH, ⁴UNOS, Richmond, VA
*Purpose: Lung allocation is moving toward a continuous distribution framework (CDF), with components for waitlist (WL) urgency and post-transplant (PT) survival, as computed in LAS.…
2021 American Transplant Congress
The Microenvironment of Belatacept-Resistant Rejection
A. Johnson, J. Zhang, C. Larsen
Surgery, Emory University, Atlanta, GA
*Purpose: Belatacept is a co-stimulation blockade immunosuppressant, that despite demonstrating improved long-term outcomes, has not been widely adopted, in part, due to concern over early…
2021 American Transplant Congress
Quantifying Hidden Sensitization: HLA-reactive Memory B Cells in the Spleens of Sensitized Women
J. T. Killian¹, J. A. Houp¹, A. Nellore², R. G. King³, P. M. Porrett¹, F. E. Lund³
¹Department of Surgery, University of Alabama at Birmingham School of Medicine, Birmingham, AL, ²Department of Medicine, University of Alabama at Birmingham School of Medicine, Birmingham, AL, ³Department of Microbiology, University of Alabama at Birmingham School of Medicine, Birmingham, AL
*Purpose: Measurement of circulating anti-HLA antibody (anti-HLA-Ab) in transplant candidates and recipients is required for successful organ transplantation. However, serum Ab measurement alone likely underestimates…
2021 American Transplant Congress
Harnessing Innate Lymphoid Cells to Prevent Graft-versus Host Disease
K. T. Reid¹, S. Q. Crome²
¹Immunology, University of Toronto, Toronto, ON, Canada, ²Ajmera Transplant Centre, TGHRI, University Health Network, Toronto, ON, Canada
*Purpose: Determine whether human innate lymphoid cells (ILCs) can be isolated, expanded and used in cell-based therapies to prevent Graft-versus Host Disease (GvHD) .*Methods: ILC2s…
2021 American Transplant Congress
Urinary Exosomal Cystatin C and Lipopolysaccharide Binding Protein as Biomarkers for Monitoring Antibody-mediated Rejection After Kidney Transplantation
M. Kim, S. Lim, S. Shin
Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea, Republic of
*Purpose: This study aims to discover and validate urinary exosomal biomarkers for antibody-mediated rejection (ABMR) after kidney transplantation.*Methods: A total of 60 urine samples from…
2021 American Transplant Congress
P2X7 Receptor Activity Mediates Th17-Specific Self- and Alloreactivity in Non-Human Primates
C. Little, J. Sullivan, W. Burlingham, D. Kaufman
Department of Surgery, University of Wisconsin, Madison, WI
*Purpose: The broadly expressed ATP-binding purinergic receptor, P2X7 (P2X7R) is involved in the Th17 mediated cellular immune response to allo- and select self-antigens (Collagen type…
2021 American Transplant Congress
Donor T and NK Cells with a Special Tissue-Resident Memory Phenotype Migrate Into the Periphery of Lung Transplant Recipients – A Potential Feature for Tolerance Development
L. M. Ruhl¹, R. Bellmàs Sanz¹, A. Hitz¹, B. Wiegmann², K. A. Bläsing¹, W. Sommer², F. Ius², J. F. Kühne¹, A. Knöfel², L. M. Horn¹, I. Tudorache², A. Haverich², D. Jonigk³, G. Warnecke², C. S. Falk¹
¹MHH, Institute of Transplant Immunology, Hannover, Germany, ²MHH, Department for Cardiothoracic, Transplantation and Vascular Surgery, Hannover, Germany, ³MHH, Institute of Pathology, Hannover, Germany
*Purpose: After lung transplantation (LuTx), a transient chimerism of donor cells exists in the blood of recipients due to the migration of lymphocytes from the…
2021 American Transplant Congress
HTFPI.hCD47 and Adhesion Inhibition in GTKO.hCD46 Pig Lung Xenograft Injury
S. Miura¹, L. Burdorf¹, Z. Habibabady¹, A. Dandro², M. Connolly¹, S. Pratts¹, C. Phelps², W. Eyestone², D. Ayares², A. Azimzadeh¹, R. Pierson III¹
¹Center for Transplantation Sciences, Massachusetts General Hospital, Charlestown, MA, ²Revivicor, Inc, Blacksburg, VA
*Purpose: We evaluate whether genetic expression of human tissue factor pathway inhibitor (TFPI, extrinsic coagulation pathway inhibitor) and human CD47 ("don’t eat me" immunoregulator), alone…