Am J Transplant, Volume 21, Suppl 3 Archives - Page 113 of 139 - ATC Abstracts

2021 American Transplant Congress
CD80/PD-L1 Uniquely Regulates CD4 Effector T Cell Migration
W. Piao¹, L. Li¹, Y. Zhang², K. Hippen², M. WillsonShirkey¹, B. Blazar², L. Riella³, J. Bromberg¹
¹U Maryland, baltimore, MD, ²U Minnesota, Minneapolis, MN, ³Harvard U, boston, MA
*Purpose: CD80 is a costimulatory molecule expressed on antigen presenting cells (APCs) that binds CD28 and CTLA4, stimulating or inhibiting immunity, respectively. CD80 also binds…
2021 American Transplant Congress
HLA Mismatching and Subclinical Inflammation: An Association to be Considered in Kidney Transplant Patients with Low Immunological Risk
T. Vazquez-Sanchez¹, J. Alonso-Titos¹, P. Ruiz-Esteban¹, A. Caballero², M. Leon³, V. Lopez¹, E. Sola¹, D. Hernández¹
¹Nephrology, Instituto de Investigación Biomédica de Málaga (IBIMA). Hospital Universitario Regional de Málaga and University of Málaga. REDinREN (RD16/0009/0006). Málaga. (Spain), Málaga, Spain, ²Immunology, Instituto de Investigación Biomédica de Málaga (IBIMA). Hospital Universitario Regional de Málaga and University of Málaga. REDinREN (RD16/0009/0006). Málaga. (Spain), Málaga, Spain, ³Pathology, Instituto de Investigación Biomédica de Málaga (IBIMA). Hospital Universitario Regional de Málaga and University of Málaga. REDinREN (RD16/0009/0006). Málaga. (Spain), Málaga, Spain
*Purpose: Subclinical inflammation (SCI) (
2021 American Transplant Congress
Sampling Renal Biopsies in Pre-Clinical Research for Comprehensive Assessment
C. M. Edwards¹, C. Albert², D. Stern¹, J. Langford¹, W. Day², J. R. DiRito¹, W. M. Saltzman², M. Kashgarian³, J. S. Pober⁴, G. T. Tietjen¹
¹Surgery, Yale School of Medicine, New Haven, CT, ²Biomedical Engineering, Yale School of Medicine, New Haven, CT, ³Pathology, Yale School of Medicine, New Haven, CT, ⁴Immunobiology, Yale School of Medicine, New Haven, CT
*Purpose: Previous literature has demonstrated that single biopsies are not representative of a whole kidney in clinical assessments. In this study we aimed to design…
2021 American Transplant Congress
Myeloid YAP-HSF1 Signaling Inhibits NLRP3 Function and RIPK3-mediated Hepatocyte Necroptosis in Liver Ischemia and Reperfusion Injury
Y. Tian, D. Xu, M. Sheng, Y. Zhan, Y. Lin, C. Li, A. J. Coito, R. W. Busuttil, D. G. Farmer, J. W. Kupiec-Weglinski, B. Ke
Surgery, Dumont - UCLA Transplant Ctr, Los Angeles, CA
*Purpose: Yes-associated protein (YAP), a downstream effector of the Hippo pathway, tightly regulates cell growth, survival, and tissue inflammation. Activation of heat shock factor 1…
2021 American Transplant Congress
Nrf2 Assessment in Discarded Liver Allografts: A Role in Allograft Function and Salvage
O. Ahmed, M. Xu, F. Zhou, A. N. Wein, G. Upadhya, Y. Lin, W. Chapman
Surgery, Washington University School of Medicine, Saint Louis, MO
*Purpose: With mounting pressures to optimize organ availability for transplantation, there is a focus on reducing organ discard and attempting to resuscitate declined grafts for…
2021 American Transplant Congress
Real-time Donor-derived Cell-free Dna Kinetics Indicate Decreased “Molecular Injury” During Treatment of Acute Renal Allograft Rejection
R. Hinojosa¹, K. M. Hitchman², D. J. Ross³, R. C. Hall¹, J. E. Nelson¹, E. L. Kincaide¹, K. Klein¹, A. M. Bell³
¹Pharmacotherapy Education and Research Center | Long School of Medicine, UT Health San Antonio | University Transplant Center, University Health, San Antonio, TX, ²Long School of Medicine, UT Health San Antonio | University Transplant Center, University Health, San Antonio, TX, ³CareDx, Inc., Brisbane, CA
*Purpose: Dd-cfDNA is a validated plasma analyte (t½~30 min) for surveillance of renal transplant (KT) rejection with limited reports characterizing response to acute allograft rejection…
2021 American Transplant Congress
Dysregulation of Immune Cell Glycolysis and Oxidative Phosphorylation Correlates with Development of Pre-liver Transplant Immune Dysfunction and Post-transplant Mortality
G. Panayotova¹, L. Jin¹, A. Lemenze¹, S. Simonishvili¹, Y. Qin¹, L. Minze², G. Dikdan¹, F. Paterno¹, X. C. Li², M. Ghobrial², J. V. Guarrera¹, K. E. Lunsford¹
¹Transplant Surgery, Rutgers NJMS, Newark, NJ, ²Transplant Surgery, Houston Methodist Hospital, Houston, TX
*Purpose: Cirrhosis-related immune dysfunction contributes to early morbidity and mortality following liver transplant (LT). We have previously identified a pre-LT biomarker panel, the immune frailty…
2021 American Transplant Congress
Trugraf Gene Expression Testing Can Discriminate Rejection in the Setting of Acute Kidney Injury
N. Singh¹, M. S. Naseer¹, D. Aultman², H. Shokouh-Amiri², G. Zibari²
¹Nephrology, John C. McDonald Regional Transplant Center - Willis Knighton Medical Center, Shreveport, LA, ²Advanced Surgery, John C. McDonald Regional Transplant Center - Willis Knighton Medical Center, Shreveport, LA
*Purpose: The TruGraf kidney blood gene expression test is a well-validated non-invasive biomarker to detect immune quiescence thus ruling out silent subclinical rejection in stable…
2021 American Transplant Congress
Long-Term Follow-Up of a Phase 2 Clinical Trial to Induce Tolerance in Living Donor Renal Transplant Recipients
J. Leventhal¹, J. Galvin², J. Mathew¹, L. Gallon¹, D. Belshe¹, M. Gibson¹, K. Ravindra³, M. Horwitz³, S. Ildstad⁴
¹Northwestern University, Comprehensive Transplant Center, Chicago, IL, ²Northwestern University, Chicago, IL, ³Duke Medical Center, Durham, NC, ⁴University of Louisville, Llouisville, KY
*Purpose: 37 subjects were transplanted in a phase 2 protocol based upon tolerogenic CD8+/TCR-facilitating cells (FCR001) to induce tolerance in recipients of living donor renal…
2021 American Transplant Congress
Intravenous Immunoglobulin in Heart Transplant Recipients with Hypogammaglobulinemia and Infection
J. Hoang, D. Nguyen, E. Graviss, M. Moaddab, A. Guha, J. Krisl
Houston Methodist Hospital, Houston, TX
*Purpose: Hypogammaglobulinemia (HGG) is a complication of solid organ transplantation which has been associated with increased risk of infections. HGG is commonly defined as a…