Articles tagged "Kidney"

2019 American Transplant Congress
Post-Transplant Lymphoproliferative Disorders in Pediatric Renal Transplant Recipients: Case Series of 5 Patients
M. E. Araujo¹, C. Metran¹, R. Cardoso¹, G. Araujo¹, T. De Paula¹, L. Cristofani², M. F. Pereira³, D. David⁴, A. Watanabe¹
¹Pediatric Nephrology, ICr HC FMUSP, São Paulo, Brazil, ²Pediatric Oncology, ICr HC FMUSP, São Paulo, Brazil, ³Pediatric Infectology, ICr HC FMUSP, São Paulo, Brazil, ⁴Anatomopathology, HC FMUSP, São Paulo, Brazil
*Purpose: Post-transplant Lymphoproliferative Disorders (PTLD) after solid organ transplantation is a complication of chronic immunosuppression (IS) and is generally associated with Epstein Barr virus (EBV)…
2019 American Transplant Congress
Urine Recirculation Maintains Hemodynamics and Enhances Function in Normothermic Kidney Perfusion
A. Weissenbacher¹, C. D. Ceresa², D. Voyce³, J. Hunter², R. Ploeg², C. C. Coussios⁴, P. Friend²
¹Visceral, Transplant and Thoracic Surgery, Innsbruck Medical University, Innsbruck, Austria, ²Nuffield Department of Surgical Sciences, University of Oxford, Oxford, United Kingdom, ³OrganOx Limited, Oxford, United Kingdom, ⁴Oxford Institute of Biomedical Engineering, University of Oxford, Oxford, United Kingdom
*Purpose: The purpose was to compare urine recirculation (URC) and urine replacement with Ringer’s lactate in a porcine normothermic kidney perfusion (NKP) model using a…
2019 American Transplant Congress
Minimizing Kidney Ischemia Reperfusion Injury by Transferring Exogenous Mitochondria
A. Bajwa¹, V. Bontha¹, J. Eason², D. Maluf³, V. Mas⁴
¹UT, Memphis, TN, ²Director of Transplant Institute. UTHSC, Memphis, TN, ³UTHSC, Memphis, TN, ⁴Director of Transplant Research Institute. UTHSC, Memphis, TN
*Purpose: Ischemia induces altered bioenergetics with increased mitochondrial swelling and reactive oxygen species (ROS) and ultimately degradation of cellular function. Ischemia followed by reperfusion (IRI)…
2019 American Transplant Congress
Using Ensembles of Machine Learning Classifiers to Maximize the Accuracy and Stability of Molecular Biopsy Interpretation
J. Reeve¹, K. S. Madill-Thomsen², P. F. Halloran and the INTERCOMEX Study Group³
¹University of Alberta, Edmonton, AB, Canada, ²Alberta Transplant Applied Genomics Centre, University of Alberta, Edmonton AB, AB, Canada, ³University of Alberta, Edmonton AB, AB, Canada
*Purpose: The Molecular Microscope diagnostic system (MMDx), based on microarray gene expression, uses ensembles of machine learning classifiers rather than single genes, gene sets, or…
2019 American Transplant Congress
Extracellular Vesicles (EV) Mediate Antibody-Independent Tubular Senescence via Cyclin-Dependent Kinase Inhibitors p21/p16 in Antibody-Mediated Rejection (AMR)
C. Divella¹, A. Stasi¹, R. Franzin¹, F. Sallustio², C. Curci¹, G. Merlotti³, M. Quaglia³, L. Gesualdo¹, V. Cantaluppi¹, G. Castellano¹
¹Emergency and Organ Transplantation, University of Bari, Bari, Italy, ²Emergency and Organ Transplantation / Basic Medical Sciences, Neuroscience and Sense Organs, University of Bari, Bari, Italy, ³Department of Translational Medicine, University of Piemonte Orientale, Novara, Italy
*Purpose: Recent data suggest a strong correlation between kidney injury and the occurrence of accelerated senescence process, known as “Inflammaging”. However, the role of TEC…
2019 American Transplant Congress
Molecular Microscope Proves i-IFTA Lack of Specificity
A. Perkowska-Ptasinska¹, M. Ciszek², D. Deborska-Materkowska¹, A. Debska-Slizien³, P. F. Halloran⁴, M. Myslak⁵
¹Warsaw Medical Univeristy, Warsaw, Poland, ²Department of Immunology, Transplantology and Internal Diseases, Warsaw Medical Univeristy, Warsaw, Poland, ³Gdansk Medical University, Gdansk, Poland, ⁴ATAGC, University of Alberta, Edmonton AB, AB, Canada, ⁵Pomeranian Medical University, Szczecin, Poland
*Purpose: According to 2017 Banff classification, inflammatory infiltrate in the fibrotic renal tissue with at least moderate total inflammations score (ti≥2), and tubulitis (t≥2) should…
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…
2019 American Transplant Congress
Temporal Trends Following Uncontrolled Donation after Cardiac Death Kidney Transplantation: Implications for Normothermic Regional Perfusion?
R. A. Choudhury, K. Prins, D. Yoeli, H. B. Moore, T. L. Nydam
Transplant Surgery, University of Colorado, Aurora, CO
*Purpose: Kidney transplantation following uncontrolled donation after cardiac (uDCD) remains an underutilized resource in the United States when compared to controlled DCD (cDCD) which has…
2019 American Transplant Congress
Renal Pathological Findings in Living Kidney Donor Candidates with Minimal Urinary Abnormalities
H. Ahmed¹, C. Drachenberg², R. Ugarte¹, N. Costa¹, C. Cangro¹, R. N. Barth³, M. Weir¹, A. Harirain¹
¹Medicine-Nephrology, University of Maryland Medical Center, Baltimore, MD, ²Pathology, University of Maryland Medical Center, Baltimore, MD, ³Surgery, University of Maryland Medical Center, Baltimore, MD
*Purpose: With the increasing number of ESRD patients requiring transplantation and stagnant number of deceased-donor organs available, minimizing the exclusion of living donor candidates with…
2019 American Transplant Congress
Subtherapeutic Low Tacrolimus Trough Levels (≤3.5 Ng /ml) Are A Risk Factor For Acute Rejection And Creatinine Doubling.
J. Arreola Guerra¹, R. Reyes Acevedo², A. Chew Wong¹, F. Haro Alcalde¹, L. Zuñiga Macias¹, R. Delgadillo Castañeda², R. Villafan³
¹Internal Medicine and Nephrology, Centenario Hospital Miguel Hidalgo, Aguascalientes, Mexico, ²Transplantation, Centenario Hospital Miguel Hidalgo, Aguascalientes, Mexico, ³Universidad Autonoma de Aguascalientes, Aguascalientes, Mexico
*Purpose: Tacrolimus (TAC) is part of the immunosuppression scheme of more than 95% of patients after kidney transplantation in Mexico. Low TAC tacrolimus trough levels…