Articles tagged "Biopsy"

2019 American Transplant Congress
Analysis of Immune Cell Proportions in Kidney Transplant Biopsies of Acute Cellular Rejection and Antibody Mediated Rejection Compared with Non-Rejecters
C. R. Dorr¹, A. Muthusamy¹, D. P. Schladt¹, W. Guan², B. Wu², J. S. Maltzman³, W. S. Oetting², P. A. Jacobson², A. K. Israni¹
¹Hennepin Healthcare Research Institute, Minneapolis, MN, ²University of Minnesota, Minneapolis, MN, ³Stanford University, Palo Alto, CA
*Purpose: Understanding the immune cell types that are associated with acute rejection (AR) in kidney transplant biopsies may lead to new therapeutic targets for AR.…
2019 American Transplant Congress
CD56+CD57+ Infiltrate is a Predominant Subset of Infiltrating Natural Killer Cell in Renal Transplant Biopsies with Antibody-Mediated Rejection
H. Jung¹, Y. Wee², J. Kim², M. Choi², J. Choi², H. Kwon², J. Jung², S. Kim³, Y. Cho⁴, Y. Park⁴, H. Go⁴, M. Han⁵, Y. Kim², D. Han², S. Shin²
¹Department of Biomedical Science, Asan Medical Institute of Convergence Science and Technology (AMIST), Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea, Republic of, ²Division of Kidney and Pancreas Transplantation, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea, Republic of, ³Department of Convergence Medicine, Asan Institute for life sciences, Asan Medical Center, Seoul, Korea, Republic of, ⁴Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea, Republic of, ⁵Department of Clinical Epidemiology, Asan Medical Center, Seoul, Korea, Republic of
*Purpose: To verify a subset of intragraft and circulating natural killer cells associated with kidney allograft rejection and fibrosis.*Methods: Thirty-nine clinically indicated transplant biopsies performed…
2019 American Transplant Congress
C1q Dominant Deposits in Renal Transplant Biopsies Are Not Associated with Allograft Dysfunction
A. Babu¹, S. Williamson², N. Khoury¹, M. Safwan¹, A. Patel¹
¹Transplant Institute, Henry Ford Hospitals, Detroit, MI, ²Pathology Surgical, Henry Ford Hospitals, Detroit, MI
*Purpose: Complement deposition in renal allograft biopsies and native kidneys may represent an ongoing inflammatory process. We studied the significance of incidental finding of predominant…
2019 American Transplant Congress
When to Hold: Apixaban in Renal Transplant Recipients
V. H. Do¹, D. Haakinson², K. D. Belfield¹
¹Yale New Haven Hospital, New Haven, CT, ²Yale School of Medicine, New Haven, CT
*Purpose: Renal transplant recipients (RTRs) may develop deep venous thrombosis (DVT), pulmonary embolism (PE), or atrial fibrillation requiring treatment with oral anticoagulation. There is limited…
2019 American Transplant Congress
The Influential Yet Highly Variable Role of Biopsy Findings on Kidney Offer Acceptance Decisions: An Organ Offer Simulation Study
D. Stewart¹, J. Rosendale¹, H. McGehee¹, I. Hall², G. Gupta³, K. Reddy⁴, B. Kasiske⁵, K. Andreoni⁶, D. Klassen¹
¹UNOS, Richmond, VA, ²Univ of Utah, Salt Lake City, UT, ³VCU, Richmond, VA, ⁴Mayo, Phoenix, AZ, ⁵HCMC, Minneapolis, MN, ⁶Univ of Florida, Gainesville, FL
*Purpose: The use of procurement biopsies (Bx) to assess kidney quality is controversial. ‘Biopsy findings’ is an often cited discard reason, yet the association between…
2019 American Transplant Congress
CEACAM1 – p38 Signaling Axis Alleviates Peri-Transplant Liver Injury: From Mouse-to-Human
H. Hirao¹, K. Nakamura¹, S. Kageyama¹, T. Ito¹, K. Kadono¹, M. Kujawski², K. J. Dery¹, R. A. Sosa¹, E. F. Reed¹, F. M. Kaldas¹, R. W. Busuttil¹, J. W. Kupiec‐Weglinski¹
¹UCLA, Los Angeles, CA, ²City of Hope, Duarte, CA
*Purpose: Although CEACAM1 (CM1; carcinoembryonic antigen-related cell adhesion molecule 1; CD66a) regulates hepatic metabolism, its role in orthotopic liver transplantation (OLT) is unknown. A recent…
2019 American Transplant Congress
Quantitative Proteome Profiling in T Cell-Mediated Rejection
L. Song¹, G. Zeng², P. Liu³, F. Fang⁴, H. Liu⁴, X. Xie¹, P. Randhawa², K. Xiao⁴
¹Department of Urological Organ Transplantation, The Second Xiangya Hospital, Central-South University, Changsha, China, ²Department of Pathology, University of Pittsburgh Medical Center, Pittsburgh, PA, ³Department of Biostatistics, Graduate School of Public Health, and Departments of Pharmacology and P, University of Pittsburgh Medical Center, Pittsburgh, PA, ⁴Department of Pharmacology and Chemical Biology, School of Medicine, University of Pittsburgh, Pittsburgh, PA
*Purpose: The proteomic analyses through formalin-fixation and paraffin embedding (FFPE) specimens reflects systemic and inherent renal injury perturbations for different kidney transplant injury states. In…
2019 American Transplant Congress
Increased Number of Intragraft FoxP3+ T Cells is Strongly Correlated with Decreased Graft Survival in Chronic Active Antibody Mediated Rejection
K. Sablik¹, K. Jordanova², M. Clahsen-van Groningen¹, M. Betjes¹
¹Erasmus MC, Rotterdam, Netherlands, ²Amsterdam UMC, Amsterdam, Netherlands
*Purpose: Chronic-active antibody-mediated rejection (c-aABMR) is the most important cause of late renal allograft failure. However, renal inflammation and rate of loss of renal allograft…
2019 American Transplant Congress
Ikaros/IRF4 Signaling Regulates SIRT1-Mediated Macrophage M2 Shift in Liver Ischemia-Reperfusion Injury: From Mouse-to-Human
K. Kadono¹, K. Nakamura¹, H. Hirao¹, S. Kageyama¹, K. J. Dery¹, T. Ito¹, J. Aziz¹, X. Li², B. Ke¹, R. W. Busuttil¹, J. W. Kupiec‐Weglinski¹
¹Dumont-UCLA Transplant Center, UCLA, Los Angeles, CA, ²NIEHS, Durham, NC
*Purpose: Hepatic ischemia-reperfusion injury (IRI) represents a risk factor for early graft dysfunction and rejection in liver transplantation (LT). Despite the efficacy of Sirtuin 1…
2019 American Transplant Congress
Are Protocol Biopsies Necessary for Pediatric Renal Transplant Recipients?
E. Allred, E. Ingulli
Pediatrics, UCSD, San Diego, CA
*Purpose: Renal allograft survival indirectly correlates with acute rejection episodes. Subacute rejection is also associated with decreased graft survival. Protocol biopsies (bxs) have been implemented…