Am J Transplant, Volume 19, Suppl 3 Archives - Page 213 of 214 - ATC Abstracts

2019 American Transplant Congress
In Vitro Model for Detection of HLA Antibodies from Long Lived Plasma Cells
M. Merzkani¹, N. Moore¹, X. Benavides¹, B. Smith¹, W. Park¹, A. Bentall¹, K. Medina², M. Gandhi³, M. Stegall¹
¹Transplant, Mayo Clinic, Rochester, MN, ²Immunology, Mayo Clinic, Rochester, MN, ³Transfusion Medicine, Mayo Clinic, Rochester, MN
*Purpose: One of the major causes of kidney allograft loss is antibody mediated rejection. This process is mainly mediated by HLA antibodies(Abs) which are believed…
2019 American Transplant Congress
Long-Term Outcomes after Face Transplantation
B. Kollar, S. Tasigiorgos, M. Turk, E. Bueno, B. Perry, M. Alhefzi, H. Kiwanuka, M. Nizzi, N. Krezdorn, T. Win, M. I. Dorante, V. Haug, D. J. Annino, F. M. Marty, A. Chandraker, S. G. Tullius, L. V. Riella, B. Pomahac
Brigham and Women's Hospital, Boston, MA
*Purpose: Face transplantation (FT) holds promise of restoring form and function to patients with severe facial disfigurement not amenable to traditional reconstructive procedures. However, quantitative…
2019 American Transplant Congress
Optimizing a Protocol for Extended Ex-Vivo Extremity Perfusion
C. J. Stewart¹, M. T. Buchko², X. Wang¹, G. Brandacher³, A. Ladak⁴, D. H. Freed², J. Nagendran²
¹Surgery, University of Alberta, Edmonton, AB, Canada, ²Cardiac Surgery, University of Alberta, Edmonton, AB, Canada, ³Plastic and Reconstruction Surgery, Johns Hopkins University, Baltimore, MD, ⁴Plastic Surgery, University of Alberta, Edmonton, AB, Canada
*Purpose: Our objective is to demonstrate that Ex-Vivo Extremity Perfusion (EVEP) of a Vascularized Composite Allograft (VCA) is as effective, or superior, to standard cold…
2019 American Transplant Congress
Aquaporins May Be Involved in Renal Ischemia-Reperfusion Injury by Affecting the Pyroptosis of Renal Tubular Epithelial Cells
T. Lin, Y. Fan, Y. Jiang, J. Liu, Z. Wang, L. Li, T. Song, Z. Huang, X. Wang
Organ Transplantation Center, Urology Department, Urology Research Institute, WestChina Hospital, Sichuan University, Chengdu, China
*Purpose: To determine whether aquaporins (AQPs) are involved in renal ischemia-reperfusion injury (IRI) by affecting the pyroptosis of renal tubular epithelial cells.*Methods: Hypoxia reoxygenation (H/R)…
2019 American Transplant Congress
Recombinant Apoptosis Inhibitor of Macrophage Protein Ameliorates Transplant Ischemia-Reperfusion Injury
J. Y. Lee¹, X. Zhang², D. Lian³, A. R. Haig⁴, T. Miyazaki⁵, L. Gunaratnam⁶
¹Department of Microbiology and Immunology, Western University, London, ON, Canada, ²Matthew Mailing Centre for Translational Transplant Studies, London Health Sciences Centre, London, ON, Canada, ³Matthew Mailing Centre for Translational Transplant Studies, London Health Sciences Centre, Lodnon, ON, Canada, ⁴Department of Pathology, Western University, London, ON, Canada, ⁵Center for Disease Biology and Integrative Medicine, University of Tokyo, Tokyo, Japan, ⁶Department of Medicine, Western University, London, ON, Canada
*Purpose: Ischemia-reperfusion injury (IRI) during kidney transplantation is associated with acute rejection and long-term graft loss. During IRI, pro-inflammatory mediators (e.g. HMGB1) released from necrotic…
2019 American Transplant Congress
Urinary Exosomal microRNA as a Non-Invasive Biomarker for the Diagnosis of Acute Rejection in Kidney Transplant Recipients
J. Seo¹, Y. Lee¹, S. Jung¹, Y. Kim¹, J. Moon¹, K. Jeong¹, C. Kim², J. Park³, B. Chung⁴, Y. Kim⁵, S. Lee¹
¹Nephrology, Kyung Hee University College of Medicine, Seoul, Korea, Republic of, ²Nephrology, Kyungpook National University College of Medicine, Daegu, Korea, Republic of, ³Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea, Republic of, ⁴Nephrology, The St. Mary’s Hospital of Catholic University of Korea, Seoul, Korea, Republic of, ⁵Nephrology, Inje University College of Medicine, Busan, Korea, Republic of
*Purpose: Acute rejection (AR) is the main obstacle to the graft survival after kidney transplantation. Urinary exosome is a promising source of biomarker for various…
2019 American Transplant Congress
Rapid Detection of Kidney Transplant Injury by Quantifying Donor-Derived Cell-Free Deoxyribonucleic Acid via Massively Multiplex Polymerase Chain Reaction
T. K. Sigdel¹, F. Acosta², S. Navarro², B. Zimmermann², Z. P. Demko², S. Moshkevich², P. R. Billings², M. M. Sarwal¹
¹University of California San Francisco, San Francisco, CA, ²Natera Inc., San Carlos, CA
*Purpose: Plasma donor-derived cell-free DNA (dd-cfDNA) is a proven marker for allograft rejection in patients with kidney transplant (KT). Our goal was to assess performance…
2019 American Transplant Congress
NK Cell Quantification by Paraffin Immunohistochemistry is Not Predictive of Graft Outcome in 1-Year Surveillance Biopsies
J. Barnes¹, F. Suliman², A. Shammout¹, E. A. Farkash¹
¹Pathology, Michigan Medicine, Ann Arbor, MI, ²Nephrology, Michigan Medicine, Ann Arbor, MI
*Purpose: Molecular and animal studies have identified NK cells as important mediators and markers of antibody mediated rejection. Using three color immunohistochemistry for CD16, T-bet,…
2019 American Transplant Congress
Matrix Metalloproteinase-9 and Neutrophil Extracellular Traps in Human and Mouse Liver Ischemia and Reperfusion Injury
S. Duarte, A. Zarrinpar, R. W. Busuttil, A. J. Coito
Dumont-UCLA Transplant Center, Los Angeles, CA
*Purpose: Neutrophils are key mediators of ischemia/reperfusion injury (IRI) in orthotopic liver transplantation (OLT). Once activated, they release nuclear DNA web-like structures called neutrophil extracellular…
2019 American Transplant Congress
Back Signaling of HLA Class I Molecules and NK Cell Receptor Ligands in Renal Epithelial Cells Contributes to the Rejection-Specific Microenvironment
E. Chichelnitskiy¹, J. Egelkamp¹, K. Daemen¹, J. Keil¹, C. Neudörfl¹, J. Bräsen², J. Schmitz², H. Haller³, C. Blume⁴, C. Falk⁵
¹Institute of Transplant Immunology, Hannover Medical School, Hannover, Germany, ²Nephropathology Unit, Institute of Pathology, Hannover Medical School, Hannover, Germany, ³Department of Nephrology and Hypertension, Hannover Medical School, Hannover, Germany, ⁴Department of Nephrology and Hypertension, Hannover Medical School, Hannover, Germany; Institute of Technical Chemistry, Leibniz University, Hannover, Germany, ⁵Institute of Transplant Immunology, Hannover Medical School; DZIF, German Center for Infection Research, TTU-IICH, Hannover/Braunschweig, Germany
*Purpose: During the last years, diverse harming mechanisms of donor-specific antibodies (DSA) to endothelial cells have been studied accompanied by an emerging evidence of NK…