Articles tagged "Rejection"

2019 American Transplant Congress
Thymoglobulin Efficacy: The Role of Dosing on Viral Infection and Rejection in Pancreas Transplantation
H. Sarumi, B. Johnson, S. Jackson, S. Hogan, J. Fisher, S. Riad, R. Kandaswamy, T. Pruett
Transplant Surgery, University of Minnesota Medical Center, Minneapolis, MN
*Purpose: While T-cell depletion therapy is standard practice for induction in pancreas transplantation, little data exists to help determine dosing and its impact on efficacy…
2019 American Transplant Congress
Role of Innate Allorecognition Pathways in Mouse Renal Allograft Rejection
D. Zhao¹, H. Dai¹, K. Abou-Daya¹, A. Williams¹, M. Oberbarnscheidt¹, X. Li², F. Lakkis¹
¹Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA, ²Houston Methodist Hospital Immunobiology & Transplant Science Center, Houston, TX
*Purpose: Allograft rejection is initiated by host immune system distinguishing between self and allogeneic non-self (allorecognition). Paired immunoglobulin-like receptor (PIR) and CD47 are molecules expressed…
2019 American Transplant Congress
De Novo Donor Specific Antibody and Panel Reactivity Antibody Are Critical Risk Factors for Antibody Mediated Rejection of Kidney Allograft after Simultaneous Liver-Kidney Transplantation (a Single Center Study Using Surveillance Renal Biopsies)
Y. Sun¹, A. Zhang², Z. Zaky²
¹Avalon Medical University, Willemstad, Netherlands Antilles, ²Cleveland Clinic, Cleveland, OH
*Purpose: Even though the liver may provide immunologic protection to the kidney from hyperacute rejection, previous publications suggest this protective effect is not sufficient to…
2019 American Transplant Congress
Comparing Antibody-Mediated Rejection with or without Detectable DSA: Similar Pathology and Similar Poor Prognosis
G. Einecke¹, J. Reeve², P. F. Halloran³
¹Dpt. of Nephrology, Hannover Medical School, Hannover, Germany, ²Dpt. of Laboratory Medicine and Pathology and Alberta Transplant Applied Genomics Centre, University of Alberta, Edmonton, AB, Canada, ³Dpt. of Nephrology and Alberta Transplant Applied Genomics Centre, University of Alberta, Edmonton, AB, Canada
*Purpose: Banff guidelines require the detection of donor-specific antibodies (DSA) in addition to microvascular inflammation (MVI) for a diagnosis of antibody-mediated rejection (ABMR), but MVI…
2019 American Transplant Congress
Correlation of Donor-Derived Cell-Free DNA with Histology and Molecular Diagnoses of Kidney Transplant Biopsies
I. Moinuddin¹, D. Kumar¹, P. Halloran², L. Kamal¹, A. King¹, P. Kimball¹, M. Levy¹, C. Bhati¹, D. Massey¹, G. Gupta¹
¹VCU Medical Center, Richmond, VA, ²Alberta Transplant Genomics Applied Centre, Edmonton, AB, Canada
*Purpose: Circulating donor-derived cell free DNA (cfDNA; Allosure, CareDx, USA), a non-invasive test that could detect rejection in kidney allografts was validated using histologic diagnoses(HDx).…
2019 American Transplant Congress
Pre-Transplant Transcriptomic Signature in Peripheral Blood Predicts Early Acute Rejection after Kidney Transplant
W. Zhang¹, Z. Yi¹, C. Wei¹, K. Keung², Z. Sun¹, C. Xi¹, C. Woytovich¹, S. Farouk¹, L. Gallon³, M. Menon¹, C. Magee⁴, N. Najafian⁴, M. Samaniego⁵, A. Djamali⁶, S. Alexander², I. Rosales⁷, R. Smith⁷, P. O'Connell², R. Colvin⁷, P. Cravedi¹, B. Murphy¹
¹Icahn School of Medicine at Mount Sinai, New York, NY, ²The University of Sydney, Sydney, Australia, ³Northwestern University Feinberg School of Medicine, Chicago, IL, ⁴Brigham and Women's Hospital, Boston, MA, ⁵Henry Ford Hospital, Detroit, MI, ⁶University of Wisconsin, Madison, WI, ⁷Massachusetts General Hospital, Boston, MA
*Purpose: Early development of acute rejection after kidney transplantation is associated with diminished long-term graft survival. Predicting early acute rejection (EAR) at the time of…
2019 American Transplant Congress
Donor-derived Cell-free Dna In Donor Specific Antibody Positive Kidney Transplant Recipients
D. Cheng¹, X. Li², T. Jiang², H. Liu², Y. Zhou³, H. Shi³
¹National Clinical Research Center of Kidney Diseases, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China, ²Research and Development, AlloDx Biotech Co.Ltd., Suzhou, China, ³Precise Medicine Center, Biology and Science School, JiangSu University, Zhenjiang, China
*Purpose: Donor-derived cell-free DNA (dd-cfDNA) is an emerging biomarker of kidney allograft injury. Studies examining the clinical validity of this biomarker have identified cut off…
2019 American Transplant Congress
The Polish Troubled Kidney Transplant Biopsy Study: External Validation of the Molecular Microscope System
M. Myślak¹, D. Deborska-Materkowska², M. Ciszek², J. Mazurkiewicz¹, A. Debska-Slizien³, P. F. Halloran⁴, A. Perkowska-Ptasińska⁵
¹Pomeranian Medical University, Szczecin, Poland, ²Warsaw Medical Univeristy, Warsaw, Poland, ³Gdansk Medical University, Gdansk, Poland, ⁴Alberta Transplant Applied Genomics Centre, University of Alberta, Edmonton AB, AB, Canada, ⁵Medical University of Warsaw, Warsaw, Poland
*Purpose: The transplant clinician frequently encounters kidney transplant biopsies that are difficult to interpret by histology. A Molecular Microscope Diagnostic System (MMDx) has been developed…
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
Is Bariatric Surgery Feasible in the Setting of Liver and Kidney Transplants?
L. M. Potter, A. Saharia, C. Mobley, K. Lunsford, M. Hobeika, N. Tariq, H. Podder, A. O. Gaber, R. M. Ghobrial
Liver Transplant and Hepatobiliary Surgery, The Houston Methodist Hospital, Houston, TX
*Purpose: Bariatric surgery benefits obese patients by promoting weight loss, improving quality of life, and reducing morbidity and mortality rates. There is concern, however, that…