Articles tagged "Liver preservation"

2018 American Transplant Congress
Gene Silencing with p53 si-RNA Downregulates Inflammatory Markers in the Liver: Potential Utilization during Normothermic Machine Preservation
C. Moore,¹ M. Thijssen,^1,2 X. Wang,³ P. Mandrekar,³ E. Xiaofei,³ R. Abdi,⁴ R. Porte,² A. Bozorgzadeh,¹ H. Leuvenink,² T. Kowalik,³ P. Martins.¹
¹Dept of Surgery, University of Massachusetts, Worcester, MA; ²Dept of Surgery, Groningen University, Gronigen, Netherlands; ³Dept of Medicine, Univ. of Massachusetts, Worcester, MA; ⁴Transplant Research Institute, Harvard University, Boston, MA.
Background: RNA interference (RNAi) is a process through which RNA induces the activation of endogenous cellular pathways of RNA degradation, resulting in selective and potent…
2018 American Transplant Congress
Subnormothermic Machine Perfusion (SNMP) with Human Hemoglobin(Hb)-Based Oxygen Carriers (HBOCs)perfusate Decreased Hepatocellular Reperfusion Injury of Donation after Cardiac Death (DCD) Donor in Pig Model
T. Shonaka,¹ N. Matsuno,¹ H. Obara,² R. Yoshikawa,² Y. Nishikawa,³ M. Gochi,¹ M. Otani,¹ H. Takahashi,¹ H. Azuma,³ H. Sakai,⁴ H. Furukawa.¹
¹Department of Surgery, Asahikawa Medical University, Asahikawa, Japan; ²Tokyo Metroporitan University, Tokyo, Japan; ³Asahikawa Medical University, Asahikawa, Japan; ⁴Nara Medical University, Nara, Japan.
Subnormothermic machine perfusion (SNMP) alleviate hepatoceller injury during organ preservation. However more oxygen is required when perfusate SNMP. Some studies demonstrated that SNMP with hemoglobin-based…
2018 American Transplant Congress
Human Atrial Natriuretic Peptide (hANP) in Cold Storage of Donation after Cardiac Death Livers: A New Tool for Protecting Vascular Endothelia?
Y. Nigmet,¹ K. Hata,¹ Y. Okamura,¹ I. Tamaki,¹ T. Tsuruyama,² H. Hirao,¹ T. Kubota,¹ J. Kusakabe,¹ J. Yoshikawa,¹ T. Goto,¹ T. Tajima,¹ H. Tanaka,¹ S. Uemoto.¹
¹Department of Surgery, Division of Hepato-Biliary-Pancreatic Surgery and Transplantation, Kyoto University, Kyoto, Japan; ²Center for Anatomical, Pathological, and Forensic Medical Research, Kyoto University, Kyoto, Japan.
Aim: Current critical shortage of donor organs has led to acceptance of donation after cardiac death (DCD) livers for transplantation. Human atrial natriuretic peptide (hANP)…
2018 American Transplant Congress
Supercooling of Human Livers to Extend the Preservation Time for Transplantation
R. de Vries,^1,2 S. Tessier,^1,2 P. Banik,^1,2 S. Ozer,^1,2 S. Napgal,^1,2 S. Cronin,^1,2 J. Markmann,^1,2 H. Yeh,^1,2 K. Uygun.^1,2
¹Department of Surgery, Massachusetts General Hospital, Boston, MA; ²Center for Engineering in Medicine, Harvard Medical School, Boston, MA.
Introduction: Extending the maximum preservation time of donor organs could dramatically improve the outcome of organ transplantation. Static cold storage (SCS) at +5[deg]C is the…
2018 American Transplant Congress
The Role of Ex Vivo Normothermic Preservation in Minimizing Postreperfusion Syndrome in Liver Transplantation
A. Hassan, J. Cywinski, Q. Liu, D. Pezzati, D. Yang, L. Liu, G. Iuppa, K. Hashimoto, F. Aucejo, M. Fujiki, B. Eghtesad, S. Irefin, J. Fung, K. Abu-Elmagd, C. Miller, C. Quintini.
Transplant Surgery, Cleveland Clinic, Cleveland.
Background:Graft reperfusion holds a major challenge during liver transplantation. NMP may improve post-reperfusion hemodynamics, reduce vasopressor and blood product transfusion.Methods:15 patients with liver transplantation after…
2018 American Transplant Congress
Assessment of Bile Production and Quality during Normothermic Ex Vivo Liver Perfusion to Predict Biliary Injury
D. Kollmann,¹ I. Linares,¹ S. Ganesh,¹ R. Rosales,¹ M. Hamar,¹ P. Urbanellis,¹ A. Wiebe,¹ P. Yip,² O. Adeyi,² M. Selzner,¹ N. Selzner.¹
¹Multi Organ Transplant Program, Toronto General Hospital, Toronto, Canada; ²Laboratory Medicine and Pathobiology, University Health Network, Toronto, Canada.
Background. Liver transplantation (LT) with donation after circulatory death (DCD)-grafts is associated with higher risk for biliary strictures. We evaluated bile production and quality during…
2017 American Transplant Congress
GSK3β and VDAC in Endoplasmic Reticulum Stress and Apoptosis Modulation During Orthotropic Liver Transplantation.
M. Zaouali,^1,5 A. Panisello Roselló,¹ E. Folch Puy,¹ A. Lopez,² A. Rolo,³ C. Castro,² C. Palmeira,³ A. Garcia-Gil,⁴ R. Adam,² J. Roselló-Catafau.¹
¹Experimental Pathology, Institute of Biomedical Research of Barcelona (IIBB-CSIC), Barcelona, Spain; ²Hepato-Biliare,, Hôpital Paul Brousse, INSERM U-776,Université Paris Sud, Paris, France; ³Center for Neurosciences and Cell Biology, University of Coimbra, Coimbra, Portugal; ⁴Liver Surgery, Hospital Clínico, Zaragoza, Spain; ⁵Research Unit of Biology and Molecular Anthropology Applied to Development and Health (UR12ES11), Faculty of Pharmacy, University of Monastir, Monastir, Tunisia
Ischemia reperfusion injury(IRI) is a major cause of graft non-function following liver transplantation (LT). Mitochondrial dysfunction plays a central role in preventing liver IRI), associated…
2017 American Transplant Congress
Clearance of Transaminases During Normothermic Ex Vivo Liver Perfusion.
M. Bral,¹ N. Aboelnazar,² B. Gala-Lopez,² S. Hatami,² D. Freed,¹ A. Shapiro.¹
¹Department of Transplant Surgery, University of Alberta, Edmonton, AB, Canada; ²Department of Experimental Surgery, University of Alberta, Edmonton, AB, Canada
One of the most promising applications of normothermic ex vivo liver perfusion is the possibility of real-time graft viability assessment. Many liver biomarkers are considered…
2017 American Transplant Congress
The Use of an Haemoglobin Based Oxygen Carrier in a Human Liver Model of Normothermic Machine Perfusion.
Y. Boteon,¹ R. Laing,¹ R. Bogal,¹ D. Neil,² A. Smith,² B. Stephenson,² A. Schlegel,² S. Hübscher,² D. Mirza,² S. Afford,¹ H. Mergental.²
¹Center of Liver Research, University of Birmingham, Birmingham, United Kingdom; ²Liver Unit Queen Elizabeth Hospital, University Hospital Birmingham, Birmingham, United Kingdom
Normothermic machine perfusion of the liver (NMP-L) is a novel technique that preserves liver grafts in an environment that mimics physiological conditions and therefore enables…
2017 American Transplant Congress
Proteasome Modulation an Effective Strategy to Ameliorate Steatotic Liver Grafts Viability After Preservation.
M. Zaouali,¹ A. Panisello Roselló,¹ T. Carbonell,² A. Garcia-Gil,³ A. Lopez,⁴ R. Adam,⁴ J. Rosello-Catafau.¹
¹Patología Experimental, Instituto de Investigaciones Biomédicas de Barcelona, CSIC, Barcelona, Spain; ²Phisiology, Fac. of Biology, Universitat de Barcelona, Barcelona, Spain; ³Transplantation, Hospital Clínico, Zaragoza, Spain; ⁴Hepato- Biliare Unit, Hôpital Paul Brousse, INSERM U-776, Université Paris Sud, Paris, France
Recently we provided evidence for a possible protective role of proteasome inhibition during liver graft preservation. Although, several reported data confirmed that the proteolytic activity…