Articles tagged "Renal ischemia"

2020 American Transplant Congress
Normothermic Ex-Vivo Kidney Perfusion is Superior to Anoxic and Oxygenated Hypothermic Machine Perfusion for the Preservation of DCD Porcine Kidney Grafts
L. Mazilescu¹, M. Kaths², P. Urbanellis¹, M. Hamar³, T. Goto¹, I. Linares-Cervantes¹, Y. Noguchi¹, A. Konvalinka¹, A. Ghanekar¹, D. Bagli⁴, R. John⁵, L. Robinson⁶, M. Selzner¹
¹Multi Organ Transplant Program, Toronto General Hospital, Toronto, ON, Canada, ²Department of General, Visceral, and Transplantation Surgery, University Hospital Essen, Essen, Germany, ³Department of Transplantation and Surgery, Semmelweis University, Budapest, Hungary, ⁴Departments of Surgery(Urology)&Physiology, The Hospital for Sick Children, Toronto, ON, Canada, ⁵Laboratory Medicine & Pathobiology, Toronto General Hospital, Toronto, ON, Canada, ⁶Division of Nephrology, The Hospital for Sick Children, Toronto, ON, Canada
*Purpose: To increase the donor pool, better preservation strategies for the storage of marginal kidney grafts are crucial. Currently, kidney grafts are either stored on…
2020 American Transplant Congress
Ischemic and Perfused Kidney Treated with Non-Cultured Adipose-Derived Regenerative Cells Increase the Immune and Regulatory Transcriptome
R. Lathan¹, R. Ghita¹, R. Touyz¹, M. Clancy², P. Mark¹
¹Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, United Kingdom, ²Renal Transplant Unit, Queen Elizabeth University Hospital, Glasgow, United Kingdom
*Purpose: Studies in our rat model of ischemic reperfusion injury (IRI) demonstrate improved kidney function post injection of non-cultured autologous adipose-derived regenerative cells (ADRC). The…
2020 American Transplant Congress
Dual Donor-Recipient Intervention with Recombinant Human C1 Inhibitor Prevents Delayed Graft Function and Reduces Antibody-Mediated Rejection after Kidney Transplantation in Non-Human Primates
C. Blanton¹, J. Reyes¹, M. Eerhart¹, P. Chlebeck¹, M. Springer¹, Y. Ponstein², E. vanAmersfoort², J. Torrealba³, Y. Yankol¹, A. D’Alessandro¹, L. Fernandez¹
¹University of Wisconsin, Madison, WI, ²Pharming Technologies BV, Leiden, Netherlands, ³Pathology, UTSouthwestern, Dallas, TX
*Purpose: Patients with delayed graft function (DGF) are at increased risk for rejection and inferior graft survival. Complement activation during brain death and ischemia reperfusion…
2020 American Transplant Congress
What Happens When You Administer Mesenchymal Stromal Cells During Normothermic Machine Perfusion of Porcine Kidneys: Possible and Helpful or Not?
K. Rozenberg¹, L. Knijff¹, J. Sierra-Parraga², L. Lo Faro¹, M. Hoogduijn², C. Baan², J. Hunter¹, R. Ploeg¹
¹Nuffield Department of Surgical Sciences, University of Oxford, Oxford, United Kingdom, ²Department of Internal Medicine, Nephrology and Transplantation, Erasmus MC, University Medical Center, Rotterdam, Netherlands
*Purpose: Donation after circulatory death kidneys are widely used to increase the donor pool, despite their inferior quality. Normothermic machine perfusion (NMP) could provide a…
2020 American Transplant Congress
Reactivation of Murine Polyomavirus Replication by Renal Ischemia-Reperfusion Injury and Immunosuppression
G. Huang¹, Y. Huang¹, X. Chen¹, J. Qiu¹, J. Li¹, G. Li², C. Wang¹, L. Chen¹
¹The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China, ²Guangdong Key Laboratory of Laboratory Animal, Guangdong Laboratory Animals Monitoring Institute, Guangzhou, China
*Purpose: Polyomavirus (PyV) nephropathy is an important cause of graft failure after renal transplantation. Its pathogenesis is associated with immunosuppression (IM) and renal ischemia-reperfusion injury…
2020 American Transplant Congress
Poly (ADP-Ribose) Polymerase Inhibitor Treatment Attenuated Renal Ischemia-Reperfusion Injury
H. Jang, K. Lee, J. Jeon, J. Lee, Y. Kim, D. Kim, W. Huh
Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea, Republic of
*Purpose: Robust intrarenal inflammatory responses following ischemia-reperfusion injury (IRI) induce renal injury in ischemic acute kidney injury (AKI). We hypothesized that poly (ADP-Ribose) polymerase (PARP)…
2020 American Transplant Congress
Modulation of Ischemia Reperfusion Injury in Renal Transplantation Using Selective Estrogen Receptor Modulators
P. T. Hernandez¹, C. S. O'Brien¹, S. J. Concors¹, L. N. Krumeich¹, W. Hancock², M. H. Levine¹
¹Hospital of the University of Pennsylvania, Philadelphia, PA, ²Children's Hospital of Philadelphia, Philadelphia, PA
*Purpose: Renal ischemia reperfusion injury (IRI) is a major contributor to delayed graft function (DGF) in kidney transplantation. We previously demonstrated lower rates of DGF…
2020 American Transplant Congress
Oral Administration of Nano-Sized Silicon Particles Regulates Gene Expression Related to Oxidative Stress and Attenuates Rat Renal Ischemia Reperfusion Injury
M. Kawamura¹, R. Imamura¹, Y. Kobayashi², A. Taniguchi¹, S. Nakazawa¹, T. Kato¹, T. Abe¹, H. Kobayashi², N. Nonomura¹
¹Department of Urology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan, ²The Institute of Scientific and Industrial Research, Osaka University, Ibaraki, Osaka, Japan
*Purpose: Organ ischemia reperfusion injury (IRI) is unavoidable in kidney transplantation and induces reactive oxygen species and causes organ damage. Although the effectiveness of hydrogen…
2020 American Transplant Congress
Establishment of Spontaneous Tolerance of Kidney Allografts is Dependent on Mitigation of Ischemia-Reperfusion Injury via the BLTA-HVEM Pathway
Q. Yuan¹, S. Hong¹, E. Szuter¹, Y. Zhao¹, E. Acheampong¹, I. Rosales¹, M. Kronenberg², P. Russell¹, J. Madsen¹, R. Colvin¹, A. Alessandrini¹
¹Massachusetts General Hospital, Boston, MA, ²La Jolla Institute for Allergy & Immunology, La Jolla, CA
*Purpose: Kidney allografts transplanted across certain mouse strain combinations (e.g. DBA/2 to B6) develop tolerance while other combinations do not (e.g. B6 to DBA/2). We…
2020 American Transplant Congress
Exosomes Derived from MSC Ameliorate Renal Ischemic-Reperfusion Injury Through Inhibiting Inflammation and Cell Apoptosis
Y. Jia, M. Xu, T. Zhu
Shanghai Key Laboratory of Organ Transplantation, Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
*Purpose: Investigate the underlying mechanism of mesenchymal stem cells (MSCs) on protection of renal ischemia reperfusion injury (IRI) .*Methods: Exosomes originated from MSCs (MSC-ex) were…