Abstracts Archive - Page 543 of 1683 - ATC Abstracts

2020 American Transplant Congress
Impact of Ozone Exposure of Lung Donors and Recipients on All-Cause Mortality after Lung Transplant
T. Egan¹, S. Arunachalam², C. Chang², P. Strassle¹
¹Surgery, UNC at Chapel Hill, Chapel Hill, NC, ²Institute of the Environment, UNC at Chapel Hill, Chapel Hill, NC
*Purpose: A Belgian study found proximity to a motorway increased risk of bronchiolitis obliterans syndrome after lung transplant (LT). Using zip codes as a surrogate…
2020 American Transplant Congress
The Impact of Epitope Mismatch Load and Shared Targeting Epitopes between De Novo Donor Specific Antibody (DSA) and Non-DSA Third Party HLA Antibody on Lung Transplantation Outcomes
A. Zhang¹, D. Good¹, D. Thomas¹, J. Allen¹, K. McCurry², M. Budev²
¹Allogen Laboratories, Cleveland Clinic, Cleveland, OH, ²Cleveland Clinic, Cleveland, OH
*Purpose: Rapid advancements in HLA typing and antibody identification technologies allow for enhanced HLA compatibility assessment at the epitope level to aid in the reduction…
2020 American Transplant Congress
Evolution of Molecular Lung Transplant Biopsy Assessment: Rejection Can be Detected in Mucosal as Well as Transbronchial Biopsies
M. D. Parkes¹, K. Halloran², P. Halloran², &. the INTERLUNG Study Group³
¹Alberta Transplant Applied Genomics Centre, Edmonton, AB, Canada, ²University of Alberta, Edmonton, AB, Canada, ³., ., AB, Canada
*Purpose: We recently developed a Molecular Microscope® (MMDx) rejection assessment platform for mucosal biopsies from the third airway bifurcation (3BMB) and transbronchial biopsies (TBB) from…
2020 American Transplant Congress
An Optimized Integrative Model Using Urinary Chemokines for Noninvasive Diagnosis of Acute Allograft Rejection
C. Tinel¹, A. Devresse¹, A. Vermorel¹, D. Marx², S. Caillard², C. Legendre¹, M. Rabant³, D. Anglicheau¹
¹Nephrology and Kidney Transplantation, Inserm U1151, Necker Hospital, Paris, France, ²Nephrology and Kidney Transplantation, Strasbourg University Hospital, Strasbourg, France, ³Pathology, Necker Hospital, Paris, France
*Purpose: The aim of this study was to optimize the performance of urinary chemokines C-X-C motif ligand (CXCL) 9 and CXCL10 as noninvasive diagnostic markers…
2020 American Transplant Congress
Understanding the Molecular Phenotype of Kidney Injury
J. Reeve¹, P. Halloran¹, &. the INTERCOMEX Study Group²
¹University of Alberta, Edmonton, AB, Canada, ²., ., AB, Canada
*Purpose: The injury status of transplanted organs is a strong predictor of graft loss. We used injury-related gene expression to explore the relationship between function,…
2020 American Transplant Congress
Discovery and Validation of a Urinary Exosome mRNA Signature for the Diagnosis of Human Kidney Transplant Rejection
R. El Fekih¹, A. Alghamdi¹, J. Hurley², C. Coticchia², J. Choi¹, H. Allos¹, S. Eskandari¹, S. Bentink², V. Tadigotla², L. Riella¹, J. Markmann³, K. Safa³, R. Formica⁴, J. Skog², J. Azzi¹
¹Medecine, Brigham and Women's Hospital, Boston, MA, ²Exosome Diagnostics Inc., Waltham, MA, ³Massachusetts General Hospital, Boston, MA, ⁴Yale School of Medecine, New Haven, CT
*Purpose: Monitoring kidney transplant rejection by repeated biopsies might result in increased procedural complications and cost. Exosomes are nanometer-sized vesicles released by cells carrying trans…
2020 American Transplant Congress
Multidimensional System to Dynamically Predict Graft Survival after Kidney Transplantation
M. Raynaud¹, O. Aubert¹, S. Jordan², M. Stegall³, J. Friedewald⁴, D. Glotz¹, C. Legendre¹, D. Segev⁵, C. Lefaucheur¹, A. Loupy, On behalf of the study NCT03474003¹
¹Paris Transplant Group, Paris, France, ²Cedars Sinai, Los Angeles, CA, ³Mayo Clinic, Rochester, MN, ⁴Northwestern University, Chicago, IL, ⁵Johns Hopkins, Baltimore, MD
*Purpose: Current prediction systems of kidney-graft loss do not integrate the dynamic effect of parameters assessed over the time course of kidney recipients. Recent dynamic…
2020 American Transplant Congress
Transient Cd4+ T Cell and Cd20+ B Cell Depletion Leads to Prolonged Pig-To-Primate Kidney Xenograft Survival
B. P. Lovasik¹, A. J. Matar¹, D. A. Faber¹, D. V. Mathews¹, C. 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 obstacle to clinical application of pig organ xenografts. The aim of this study…
2020 American Transplant Congress
Life-Supporting Pig Thymus Plus Kidney Transplantation Leads to Generation of New Baboon T-Cells and Swine-Specific Hyporesponsiveness
Y. Okumura¹, K. Takeuchi¹, Y. Ariyoshi¹, T. Pomposelli¹, L. Boyd¹, D. Alper¹, K. Miyake¹, K. Okubo¹, S. Arn¹, D. Ayares², M. Lorber³, M. Sykes¹, D. Sachs¹, K. Yamada¹
¹Columbia Center for Translational Immunology, Columbia University, New York, NY, ²Revivicor Inc., Blacksburg, VA, ³Lung BioTechnology PBC, Silver Spring, MD
*Purpose: We have achieved greater than 6-month survivals in baboons that received vascularized thymus plus kidney xenotransplants (VT+K XTx). We assessed the thymic function and…
2020 American Transplant Congress
Prolonged Multitransgenic Pig Lung Survival with Attenuated Pulmonary Vascular Resistance Rise During Human Blood Perfusion
M. R. Connolly¹, L. Burdorf¹, S. Pratts¹, B. Cerel¹, Z. Abady¹, W. Quin², Y. Kan², J. Layer², M. Youd², W. Westlin², L. Yang², A. Azimzadeh¹, R. N. Pierson III¹
¹Center for Transplantation Sciences, Massachusetts General Hospital, Boston, MA, ²eGenesis, Cambridge, MA
*Purpose: Physiologic behavior of porcine lungs with multiple xeno-targeted genetic modifications, Pig 2.0, have not previously been evaluated.*Methods: Eight pairs of lungs from Pig 2.0…