Abstracts Archive - Page 452 of 1683 - ATC Abstracts

2020 American Transplant Congress
Microvascular Inflammation without DSA or C4d: An Orphan Category in Banff Classification with Intense Capillaritis and Cytotoxic T-Cell Infiltration
A. Buxeda¹, L. Llinàs-Mallol², J. Gimeno³, C. Arias-Cabrales¹, C. Burballa¹, D. Redondo-Pachón¹, D. Raïch-Regué², M. Pérez-Sáez¹, J. Pascual¹, M. Crespo¹
¹Nephrology Department, Hospital del Mar, Barcelona, Spain, ²Nephrology Department, IMIM - Institute Hospital del Mar for Medical Research, Barcelona, Spain, ³Pathology Department, Hospital del Mar, Barcelona, Spain
*Purpose: Antibody-mediated rejection (ABMR) associated with donor-specific HLA antibodies (DSA) is the leading cause of late allograft failure after kidney transplantation. Microvascular inflammation (MVI) without…
2020 American Transplant Congress
Mass Cytometry-Based Immunoprofiling as a Tool to Predict Rejection in a Large Cohort of Pediatric Transplant Recipients
M. Rao¹, J. T. Harden², M. Lapasaran², C. O. Esquivel³, O. M. Martinez², S. M. Krams²
¹Pediatrics, Stanford University, Palo Alto, CA, ²Stanford University School of Medicine, Stanford, CA, ³Surgery and Pediatrics, Stanford University School of Medicine, Stanford, CA
*Purpose: Rejection remains a serious problem in the pediatric transplant population. Early detection remains a challenge; furthermore, the changes in immune makeup which accompany rejection…
2020 American Transplant Congress
Kidney Cortical Wedge Biopsies for Human Organ Research: Does Anatomic Variability Impact Their Utility?
C. M. Edwards¹, J. T. Langford¹, M. Reschke², J. R. DiRito¹, D. Mulligan¹, D. Haakinson¹, G. T. Tietjen¹
¹Surgery, Yale School of Medicine, New Haven, CT, ²Biomedical Engineering, Yale University, New Haven, CT
*Purpose: The purpose of this study is to characterize human kidney anatomic variability both within singular biopsies and between biopsy sites in order to investigate…
2020 American Transplant Congress
Activation of YAP Attenuates Hepatic Damage and Fibrosis in Liver Ischemia-Reperfusion Injury: From Bench to Bedside
Y. Liu¹, T. Lu², C. Zhang¹, Z. Xue¹, R. Busuttil¹, J. Kupiec-Weglinski¹, H. Ji¹
¹Dumont-UCLA Transplant Center, Los Angeles, CA, ²Shanghai Jiaotong University, Shanghai, China
*Purpose: Hepatic ischemia-reperfusion injury (IRI) is a major complication of hemorrhagic shock, liver resection and transplantation. YAP, the effector of Hippo pathway, is essential in…
2020 American Transplant Congress
Nlrp3 Inhibition Improves Heart Graft Function in Donation after Circulatory Death
S. Toldo, E. Mezzaroma, M. Quader
Virginia Commonwealth University, Richmond, VA
*Purpose: Donation after circulatory death (DCD) donors have the potential to increase the number of transplantable hearts, which today relies only on donation after brain…
2020 American Transplant Congress
Development and Cell Surface Testing of a Novel Nanofiber Technology for Targeted Delivery of Therapeutic Regulatory T Cells
J. M. Mathew¹, S. Lee², Y. Sambandam¹, L. A. Fraser², T. D. Clemons², A. Kolberg², J. He¹, L. C. Palmer², M. T. McClendon², Z. J. Zhang¹, J. R. Leventhal¹, S. I. Stupp², L. Gallon¹
¹Surgery -Transplant, Northwestern University, Chicago, IL, ²Simpson Querrey Institute, Northwestern University, Chicago, IL
*Purpose: Regulatory CD4+CD25+FOXP3+ T cells (Tregs) have been shown to induce tolerance in transplantation models, and to be increased in their numbers in tolerant human…
2020 American Transplant Congress
Hypothermia Attenuates Renal Fibrosis after Renal Ischemia Reperfusion in Mice
D. Choi¹, D. Kim², E. Kim², J. Jeong², J. Kim¹, Y. Ham¹, Y. Chang³, K. Na¹, K. Lee¹
¹Nephrology, Chungnam National University, Daejeon, Korea, Republic of, ²Department of Medical Science, Chungnam National University, Daejeon, Korea, Republic of, ³Nephrology, Catholic University of Korea, Daejeon, Korea, Republic of
*Purpose: Recently, acute kidney injury is a important cause of chronic kidney injury, characterized by glomerular sclerosis and tubular fibrosis. Hypothermia attenuates the acute kidney…
2020 American Transplant Congress
Cordycepin Protects Renal Ischemia/Reperfusion Injury Through Regulating Inflammation, Apoptosis and Oxidative Stress
C. Ding, W. Xue
Department of Renal Transplantation, The First Affiliated Hospital of Xi’an Jiaotong University, Xi'an, China
*Purpose: Cordycepin (3’-deoxyadenosine) is a naturally occurring adenosine analogue and onem of the bioactive constituents isolated from Cordyceps militaris/Cordyceps sinensis, species of the fungal genus…
2020 American Transplant Congress
Donor-Derived Cell-Free DNA Kinetics in Stable Kidney Transplant Patients Are Related to Donor/Recipient Variables
S. Anand, L. Dong, S. Dow, M. Fife, J. Krong, D. Morris, T. Srinivas
Intermountain Medical Center, Murray, UT
*Purpose: Donor-derived cell free DNA (dd-cfDNA) is increasingly used to monitor for allograft rejection. The relationship of dd-cfDNA to donor and recipient variables in not…
2020 American Transplant Congress
Non-HLA Antibodies in Severe Post-Operative Thrombotic Microangiopathy among Kidney Transplant Recipients
R. Bonakdar, P. Serrano Rodriguez
University of North Carolina Hospitals, Chapel Hill, NC
*Purpose: From August 2018 until July 2019, an alarming 6% of kidney transplant recipients at this transplant center had biopsy-proven thrombotic microangiopathy (TMA) within 1…